@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/assets/fonts/dm-sans-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/assets/fonts/dm-sans-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {

  --rda-red:        #FA0036;
  --rda-red-dark:   #C4002A;
  --rda-navy:       #152D49;
  --rda-navy-soft:  #2c4360;
  --rda-blue-panel: #DBE3F0;
  --rda-blue-soft:  #ecf0f7;
  --rda-blue-line:  #c8d2e3;

  --ink:            #152D49;
  --ink-soft:       #2c4360;
  --ink-muted:      #5a6a82;
  --muted:          #7d8a9e;
  --muted-soft:     #a7afbe;

  --bg:             #ffffff;
  --bg-panel:       #f6f8fc;
  --bg-blue:        #DBE3F0;
  --bg-dark:        #152D49;
  --rule:           #e7ecf3;
  --rule-blue:      #c8d2e3;

  --rule-field:     #8090a9;
  --code-blue:      #4a8fe6;
  --code-blue-dark: #2f74d6;

  --max-content:    1220px;
  --max-narrow:     920px;
  --gutter:         60px;

  --elev-rest:      0 4px 18px rgba(21, 45, 73, 0.06);
  --elev-raised:    0 10px 32px rgba(21, 45, 73, 0.08);

  --r-1:            4px;
  --r-2:            8px;
  --r-3:            12px;
  --r-4:            16px;
  --r-pill:         999px;
  --r-round:        50%;
  --focus-ring:     2px solid var(--rda-red-dark);
  --focus-offset:   2px;
  --nav-h:          96px;
  --section-y:      96px;

  --font-sans:      "DM Sans", -apple-system, "system-ui", "Segoe UI",
                    Roboto, Oxygen-Sans, Ubuntu, Cantarell,
                    "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--rda-red-dark); }

.cta-banner a:not([class]),
.section.dark a:not([class]) {
  color: #fff;
  text-underline-offset: 3px;
}

@media (max-width: 720px) {
  .btn, .btn-secondary, .badge-sublink, .case-spotlight-cta {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .badge-sublink, .case-spotlight-cta { justify-content: flex-start; }
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -120px;
  z-index: 200;
  background: var(--rda-navy);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: var(--r-2);
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 16px; outline: 2px solid var(--rda-red); outline-offset: 2px; }

.preview-banner {
  background: #fff7d6;
  border-bottom: 1px solid #e8d68a;
  color: #6b5210;
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 7px 24px;
  text-align: center;
}

.preview-banner a, .preview-banner code { color: #6b5210; }
.preview-banner code {
  background: #fff0b8;
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 11px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 12px 20px;
  background: var(--rda-navy);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 6px 0;
}
.skip-link:focus {
  left: 0;
  outline: 3px solid var(--rda-red);
  outline-offset: 2px;
}

.topbar {
  background: var(--bg);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.topbar.scrolled {
  border-color: var(--rule);
  box-shadow: 0 2px 12px rgba(21, 45, 73, 0.04);
}

.topbar-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.topbar .brand { flex-shrink: 0; }
.topbar .brand img { height: 46px; width: auto; display: block; }

.topbar nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 15px;
  font-weight: 500;
}

@media (max-width: 1320px) {
  .topbar nav { gap: 15px; }
  .topbar nav > .nav-group { margin-left: 10px; }
  .topbar nav a { letter-spacing: 0.03em; }
}

.topbar nav > .nav-group { margin-left: 16px; }

.topbar nav a {
  color: var(--ink);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 0;
  transition: color 0.15s;
}

.topbar nav a:hover,
.topbar nav a.active { color: var(--rda-red-dark); }

.has-mega { position: relative; display: flex; align-items: center; height: var(--nav-h); }

.topbar nav .mega-trigger { display: inline-flex; align-items: center; gap: 6px; }

.mega-toggle { display: none; }

.mega-chev {
  display: inline-flex;
  align-items: center;
  color: var(--rda-red-dark);
  transition: transform 0.2s;
}

.has-mega:hover .mega-chev,
.has-mega.open .mega-chev,
.has-mega:focus-within .mega-chev { transform: rotate(180deg); }

.has-mega.open .mega-trigger,
.has-mega:focus-within .mega-trigger { color: var(--rda-red-dark); }

.mega-panel {
  position: absolute;
  top: 100%;
  left: 0;
  width: 520px;
  max-width: calc(100vw - 2 * var(--gutter));
  background: var(--bg);
  border: 1px solid var(--rule);
  border-top: 0;
  border-radius: 0 0 14px 14px;
  box-shadow: 0 18px 38px -16px rgba(21, 45, 73, 0.30);
  padding: 22px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
  z-index: 40;
}

.has-mega:hover .mega-panel { transition-delay: 0.12s; }

.has-mega:hover .mega-panel,
.has-mega.open .mega-panel,
.has-mega:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.has-mega.open .mega-panel,
.has-mega:focus-within .mega-panel { transition-delay: 0s; }

.has-mega.esc .mega-panel {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition-delay: 0s;
}

.mega-inner { width: 100%; }

.mega-eyebrow {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--ink-muted);
  margin: 0 0 13px;
}

.mega-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 1279.98px) {
  .mega-grid > :nth-child(5):last-child { grid-column: 1 / -1; }
}

@media (min-width: 1280px) {
  .mega-panel { width: 880px; --mx: 0px; transform: translate(var(--mx), -8px); }
  .mega-grid { grid-template-columns: repeat(4, 1fr); }
  .has-mega .mega-panel { --mx: -140px; }

  #mega-software { width: 1000px; }
  .has-mega #mega-software { --mx: -200px; }
  #mega-software .mega-grid { grid-template-columns: repeat(5, 1fr); }
  .has-mega:hover .mega-panel,
  .has-mega.open .mega-panel,
  .has-mega:focus-within .mega-panel { transform: translate(var(--mx), 0); }
}

.mega-panel .mega-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  padding: 15px 16px 14px;
  text-decoration: none;
  text-transform: none;
  overflow: hidden;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.mega-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--rda-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}

.mega-panel .mega-card:hover {
  border-color: var(--rule-blue);
  box-shadow: var(--elev-raised);
  transform: translateY(-2px);
}

.mega-card:hover::before { transform: scaleX(1); }

.mega-tag {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--rda-red-dark);
  margin-bottom: 6px;
}

.mega-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.015em;
  text-transform: none;
  margin-bottom: 5px;
}

.mega-deck {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
  text-transform: none;
  margin-bottom: 11px;
  letter-spacing: normal;
}

.mega-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--rda-red-dark);
  margin-top: auto;
}

.mega-arrow-i {
  font-size: 17px;
  line-height: 1;
  transition: transform 0.18s;
}

.mega-panel .mega-card:hover .mega-arrow-i { transform: translateX(4px); }

.mega-shelf {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
}

.mega-shelf-k {
  flex-shrink: 0;
  font-family: "SF Mono", Menlo, monospace;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.mega-shelf-l { line-height: 1.85; word-spacing: 2px; }

.mega-panel .mega-shelf-l a {
  display: inline-block;
  padding: 6px 0;
  white-space: nowrap;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  text-decoration: none;
}

.mega-panel .mega-shelf-l a:hover { color: var(--rda-red-dark); }

.mega-shelf-l a:not(:last-child)::after {
  content: "·";
  margin-left: 7px;
  color: var(--rule-blue);
}

.mega-shelf + .mega-foot { margin-top: 10px; padding-top: 0; border-top: 0; }

.mega-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid var(--rule);
}

.mega-foot span { font-size: 13px; color: var(--ink-muted); text-transform: none; }

.mega-panel .mega-foot a {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--rda-red-dark);
  text-decoration: none;
  padding: 0;
}

.section {
  padding: var(--section-y) 0;
  position: relative;
}

.section.alt { background: var(--bg-panel); }
.section.blue { background: var(--bg-blue); }
.section.dark { background: var(--bg-dark); color: white; }
.section.tight { padding: calc(var(--section-y) * 0.6) 0; }

.section-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section-inner.narrow { max-width: var(--max-narrow); }

.eyebrow {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rda-red-dark);
  font-weight: 700;
  margin: 0 0 18px;
}

.section.dark .eyebrow { color: var(--rda-red); }

.section-title {
  font-family: var(--font-sans);
  font-size: 44px;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
  color: var(--ink);
  max-width: 720px;
}

.section.dark .section-title { color: white; }

.section-deck {
  font-size: 20px;
  font-weight: 400;
  color: var(--ink-muted);
  margin: 0 0 48px;
  line-height: 1.5;
  max-width: 680px;
}

.section.dark .section-deck { color: rgba(255,255,255,0.78); }

.hero {
  padding: 64px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: end;
}

.hero h1 {
  font-family: var(--font-sans);

  font-size: 64px;
  line-height: 0.98;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.hero h1 .rda-prefix {
  display: block;
  color: var(--rda-red);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero h1 .page-word {
  display: block;
  color: var(--ink);
  font-weight: 500;
}

.hero-deck {
  font-size: 22px;
  font-weight: 400;
  color: var(--ink-soft);
  margin: 28px 0 32px;
  line-height: 1.45;
  max-width: 560px;
}

.hero-meta {
  display: flex;
  gap: 24px;
  align-items: center;
  font-size: 14px;
  color: var(--ink-muted);
  font-weight: 500;
}

.hero-meta .dot {
  width: 4px;
  height: 4px;
  border-radius: var(--r-round);
  background: var(--rda-red);
  display: inline-block;
}

.hero-stats {
  background: var(--bg);
  border: 1px solid var(--rule-blue);
  border-radius: var(--r-2);
  padding: 28px 30px;
  position: relative;
  box-shadow: var(--elev-rest);
}

.hero-stats::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: var(--rda-red);
  border-radius: 8px 0 0 8px;
}

.hero-stats h2 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rda-red-dark);
  margin: 0 0 18px;
}

.hero-stats dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 30px;
}

.hero-stats dt {
  font-size: 13px;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  margin: 0 0 4px;
}

.hero-stats dd {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}

.hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 540px;
  height: 540px;
  background: var(--bg-blue);
  transform: rotate(-12deg);
  border-radius: var(--r-4);
  z-index: 1;
  opacity: 0.4;
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .hero h1 { font-size: 56px; }
  .hero::after { display: none; }
}

.page-header {
  padding: 56px 0 72px;
  position: relative;
  overflow: hidden;
}

.page-header-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 2;
}

.soon-flag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  border: 1px solid var(--rda-red);
  border-radius: var(--r-pill);
  color: var(--rda-red-dark);
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-header .eyebrow {
  margin-bottom: 18px;
  color: var(--ink-muted);
  font-weight: 500;
  letter-spacing: 0.06em;
}

.page-header .eyebrow a {
  color: var(--ink-muted);
  text-decoration: none;
}

.page-header .eyebrow a:hover { color: var(--rda-red-dark); }

.page-header h1 {
  font-family: var(--font-sans);
  font-size: 56px;
  line-height: 1.0;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-header h1 .rda-prefix {
  display: block;
  color: var(--rda-red);
  font-weight: 700;
  font-size: 56px;
  letter-spacing: -0.03em;
  margin-bottom: 2px;
}

.page-header .deck {
  font-size: 22px;
  font-weight: 400;
  color: var(--ink-soft);
  margin: 26px 0 0;
  line-height: 1.45;
  max-width: 720px;
}

.page-header::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 420px;
  height: 420px;
  background: var(--bg-blue);
  transform: rotate(-12deg);
  border-radius: var(--r-4);
  z-index: 1;
  opacity: 0.4;
}

@media (max-width: 720px) {

  .page-header::after { display: none; }
}

.stat-strip {
  padding: 56px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.stat-strip-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.stat-item {
  text-align: left;
}

.stat-item .num {
  font-size: 56px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
  display: block;
}

.stat-item .num .accent {
  color: var(--rda-red);
}

.stat-item .label {
  font-size: 14px;
  color: var(--ink-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

@media (max-width: 720px) {
  .stat-strip-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stat-item .num { font-size: 44px; }
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

@media (max-width: 900px) { .audience-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .audience-grid { grid-template-columns: minmax(0, 1fr); } }

.audience-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  padding: 28px 26px 30px;
  position: relative;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
  overflow: hidden;
}

.audience-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--rda-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s;
}

.audience-card:hover {
  border-color: var(--rule-blue);
  box-shadow: var(--elev-raised);
  transform: translateY(-2px);
}

.audience-card:hover::before { transform: scaleX(1); }

.audience-card .card-eyebrow {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--rda-red-dark);
  margin-bottom: 14px;
}

.audience-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.audience-card p {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0 0 24px;
  line-height: 1.5;
  flex: 1;
}

.audience-card .card-arrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--rda-red-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cap-matrix {
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  overflow-x: auto;
  background: var(--bg);
}

.cap-matrix-head, .cap-matrix-row { min-width: 620px; }

.cap-matrix-head, .cap-matrix-row {
  display: grid;
  grid-template-columns: 200px repeat(6, 1fr);

  align-items: center;
}

.cap-matrix-head {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--rule);
}

.cap-matrix-head .cell {
  padding: 14px 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  text-align: center;
}

.cap-matrix-head .cell:first-child { text-align: left; padding-left: 22px; }

.cap-matrix-row {
  border-bottom: 1px solid var(--rule);
}

.cap-matrix-row:last-child { border-bottom: 0; }

.cap-matrix-row .cell {
  padding: 18px 12px;
  font-size: 14px;
  color: var(--ink);
  text-align: center;
  border-left: 1px solid var(--rule);
}

.cap-matrix-row .cell:first-child {
  text-align: left;
  font-weight: 600;
  padding-left: 22px;
  border-left: 0;
}

.cap-matrix-row .cell.yes::after {
  content: "●";
  color: var(--rda-red-dark);
  font-size: 14px;
}

.cap-matrix-row .cell.partial::after {
  content: "◐";
  color: var(--rda-red-dark);
  font-size: 14px;
  opacity: 0.55;
}

.cap-matrix-row .cell.no::after {
  content: "−";
  color: var(--muted-soft);
  font-size: 14px;
}

.cap-matrix-row .cell.future::after {
  content: "○";
  color: var(--muted-soft);
  font-size: 14px;
}

.cap-matrix-legend {
  display: flex;
  gap: 28px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--ink-muted);
  flex-wrap: wrap;
}

.cap-matrix-legend span { display: inline-flex; align-items: center; gap: 6px; }
.cap-matrix-legend .marker-yes { color: var(--rda-red-dark); }
.cap-matrix-legend .marker-partial { color: var(--rda-red-dark); opacity: 0.55; }
.cap-matrix-legend .marker-no { color: var(--muted-soft); }
.cap-matrix-legend .marker-future { color: var(--muted-soft); }

.case-spotlight {
  background: var(--bg);
  border-radius: var(--r-3);
  border: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  overflow: hidden;
  box-shadow: var(--elev-rest);
}

@media (max-width: 900px) {
  .case-spotlight { grid-template-columns: minmax(0, 1fr); }
}

.case-spotlight-body {
  padding: 44px 48px;
}

.case-spotlight .eyebrow {
  margin-bottom: 16px;
}

.case-spotlight h3 {
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 16px;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.case-spotlight p {
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0 0 20px;
  line-height: 1.6;
}

.case-spotlight-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.case-spotlight-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.case-spotlight-meta span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: var(--r-round);
  background: var(--rda-red);
}

.case-spotlight-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--rda-red-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.case-spotlight-cta:hover { text-decoration: underline; }

.case-spotlight-aside {
  background: var(--bg-blue);
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-spotlight-aside h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--rda-red-dark);
  margin: 0 0 18px;
}

.case-spotlight-aside ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.case-spotlight-aside li {
  font-size: 15px;
  color: var(--ink);
  padding: 10px 0;
  border-bottom: 1px solid rgba(21, 45, 73, 0.1);
  line-height: 1.4;
}

.case-spotlight-aside li:last-child { border-bottom: 0; }

.case-spotlight-aside li strong {
  font-weight: 700;
  color: var(--ink);
}

.impl-chooser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 720px) { .impl-chooser { grid-template-columns: minmax(0, 1fr); } }

.impl-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  padding: 32px 34px;
  text-decoration: none;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.impl-card:hover {
  border-color: var(--rda-red-dark);
  box-shadow: var(--elev-raised);
  transform: translateY(-2px);
}

.impl-card .impl-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-1);
  background: var(--rda-red);
  color: white;
  margin-bottom: 18px;
}

.impl-card.muted .impl-tag {
  background: var(--ink-muted);
}

.impl-card h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
  letter-spacing: -0.015em;
}

.impl-card .impl-deck {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0 0 24px;
}

.impl-card .impl-meta {
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.impl-card .impl-arrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--rda-red-dark);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 720px) { .trust-strip { grid-template-columns: minmax(0, 1fr); } }

.trust-item {
  padding: 24px 0;
  border-top: 2px solid var(--rda-red);
}

.trust-item .label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

.trust-item .title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.trust-item .meta {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.5;
}

.trust-item .meta a {
  color: var(--rda-red-dark);
  text-decoration: none;
}

.trust-item .meta a:hover { text-decoration: underline; }

.cta-banner {
  background: var(--bg-dark);
  color: white;
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -40px;
  width: 200px;
  background: var(--rda-red);
  transform: skewX(-12deg);
  opacity: 0.08;
}

.cta-banner-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (max-width: 720px) {
  .cta-banner-inner { grid-template-columns: minmax(0, 1fr); gap: 28px; }
}

.cta-banner h2 {
  font-size: 36px;
  font-weight: 600;
  color: white;
  margin: 0 0 12px;
  letter-spacing: -0.015em;
  line-height: 1.15;
  max-width: 720px;
}

.cta-banner p {
  font-size: 17px;
  color: rgba(255,255,255,0.78);
  margin: 0;
  line-height: 1.5;
  max-width: 640px;
}

.btn {
  display: inline-block;
  background: var(--rda-red);
  color: white;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 14px 28px;
  text-decoration: none;
  border-radius: var(--r-1);
  transition: background 0.15s, transform 0.15s;
  white-space: nowrap;
}

.btn:hover {
  background: var(--rda-red-dark);
  transform: translateY(-1px);
}

.btn.ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
}

.btn.ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
}

.code-showcase {
  background: var(--bg-dark);
  border-radius: var(--r-3);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(21, 45, 73, 0.18);
}

.code-showcase-head {
  background: rgba(255,255,255,0.05);
  padding: 14px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

.code-showcase-head .dots {
  display: flex;
  gap: 6px;
}

.code-showcase-head .dot {
  width: 10px;
  height: 10px;
  border-radius: var(--r-round);
  background: rgba(255,255,255,0.18);
}

.code-showcase pre {
  margin: 0;
  padding: 26px 28px 30px;
  background: transparent;
  border: 0;
  color: rgba(255,255,255,0.92);
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 15px;
  line-height: 1.6;
  overflow-x: auto;
}

.code-showcase pre .c-fn { color: #ff8da3; }
.code-showcase pre .c-str { color: #b8e2ff; }
.code-showcase pre .c-kw { color: #ffb27b; }
.code-showcase pre .c-comment { color: rgba(255,255,255,0.42); font-style: italic; }
.code-showcase pre .c-op { color: rgba(255,255,255,0.7); }

.prose p {
  font-size: 19px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 24px;
  max-width: 720px;
}

.prose p.lede {
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 28px;
  max-width: 740px;
}

.prose h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

.app-card {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  background: white;
  border: 1px solid var(--rule, #E7ECF3);
  border-radius: var(--r-2);
  padding: 28px 32px;
  margin-top: 28px;
}
.app-card h3 { font-size: 20px; font-weight: 700; margin: 0 0 10px; letter-spacing: -0.01em; }
.app-card p { margin: 0; max-width: 640px; color: var(--ink-soft, #5A6A82); }

.app-card--shot { --app-accent: var(--rda-navy, #152D49); }
.app-card--lemma   { --app-accent: #152D49; }
.app-card--theorem { --app-accent: #6B3FA0; }

.app-card--academy { --app-accent: #036881; }

.app-card .app-card-link { margin: 18px 0 0; }
.app-card-cta {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 22px; border-radius: var(--r-2);
  background: var(--app-accent); color: #fff;
  font-size: 14px; font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase;
  text-decoration: none; white-space: nowrap;
  transition: filter 0.15s ease, transform 0.15s ease;
}
.app-card-cta:hover { filter: brightness(1.15); transform: translateY(-1px); color: #fff; }
.app-card-cta:focus-visible { outline: 2px solid var(--app-accent); outline-offset: 3px; }

.app-card-shot { transition: border-color 0.15s ease, box-shadow 0.15s ease; }
.app-card--shot:hover .app-card-shot {
  border-color: var(--app-accent);
  box-shadow: var(--elev-raised);
}

.app-card--shot { align-items: stretch; gap: 28px; }
.app-card--shot > div:first-child { flex: 1 1 380px; min-width: 0; }
.app-card-shot {
  flex: 0 1 420px; min-width: 0; margin: 0;
  border: 1px solid var(--rule, #E7ECF3); border-radius: var(--r-2); overflow: hidden;
  align-self: center;
}
.app-card-shot img { display: block; width: 100%; height: auto; }
.app-card-shot a { display: block; line-height: 0; }
@media (max-width: 760px) {
  .app-card--shot { flex-direction: column; }
  .app-card-shot { flex: 1 1 auto; width: 100%; order: 2; }
}

.prose h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin: 44px 0 14px;
  letter-spacing: -0.01em;
}
.prose h2:first-child { margin-top: 0; }

.prose h2.section-title {
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
}

.prose ul {
  padding-left: 22px;
  margin: 0 0 24px;
  max-width: 720px;
}

.prose li {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.prose a {
  color: var(--rda-red-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.prose a:hover { text-decoration-thickness: 2px; }

.prose code {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 0.92em;
  background: var(--bg-blue);
  padding: 1px 6px;
  border-radius: var(--r-1);
  color: var(--ink);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .feature-grid { grid-template-columns: minmax(0, 1fr); } }

.feature-card {
  padding: 28px 28px 30px;
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  background: var(--bg);
  transition: border-color 0.18s, box-shadow 0.18s;
}

.feature-card:hover {
  border-color: var(--rule-blue);
  box-shadow: var(--elev-raised);
}

.feature-card .num {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--rda-red-dark);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.feature-card h3 a {
  color: inherit;
  text-decoration: none;
}

.feature-card h3 a:hover { color: var(--rda-red-dark); }
.feature-card:hover h3 a { color: var(--rda-red-dark); }

.feature-card p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
}

.callout {
  background: var(--bg-blue);
  border-left: 3px solid var(--rda-red);
  padding: 28px 32px;
  border-radius: 0 8px 8px 0;
  margin: 32px 0;
}

.callout h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.callout p {
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0 0 12px;
  line-height: 1.55;
}

.callout p:last-child { margin-bottom: 0; }

.callout a {
  color: var(--rda-red-dark);
  font-weight: 600;
  text-decoration: none;
}

.callout a:hover { text-decoration: underline; }

.pillrow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 36px;
}

.pill {
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--rule-blue);
}

.case-row {
  display: grid;
  gap: 18px;
}

.case-row.three { grid-template-columns: repeat(3, 1fr); }
.case-row.two { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 900px) {
  .case-row.three, .case-row.two { grid-template-columns: minmax(0, 1fr); }
}

.case-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  padding: 28px 28px 26px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s, box-shadow 0.18s;
  position: relative;
  overflow: hidden;
}

.case-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--rda-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s;
}

.case-card:hover {
  border-color: var(--rule-blue);
  box-shadow: var(--elev-raised);
}

.case-card:hover::before { transform: scaleX(1); }

.case-card .case-meta {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--rda-red-dark);
  margin-bottom: 12px;
}

.case-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.case-card p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 18px;
  flex: 1;
}

.case-card .case-links {
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.case-card .case-links a {
  color: var(--rda-red-dark);
  text-decoration: none;
  font-weight: 600;
}

.case-card .case-links a:hover { text-decoration: underline; }

.team-spotlight {
  background: var(--bg-blue);
  border-radius: var(--r-3);
  padding: 40px 44px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 36px;
  align-items: center;
}

@media (max-width: 720px) {
  .team-spotlight { grid-template-columns: minmax(0, 1fr); padding: 32px; gap: 24px; }
}

.team-spotlight .avatar {
  width: 110px;
  height: 110px;
  border-radius: var(--r-round);
  background: var(--rda-navy);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  position: relative;
}

.team-spotlight .avatar::after {
  content: "";
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 22px;
  height: 22px;
  background: var(--rda-red);
  border-radius: var(--r-1);
  border: 3px solid var(--bg-blue);
}

.team-spotlight .role {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rda-red-dark);
  margin-bottom: 8px;
}

.team-spotlight .name {
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.015em;
}

.team-spotlight p {
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.55;
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) { .engagement-grid { grid-template-columns: minmax(0, 1fr); } }

.engagement-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
}

.engagement-card .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-1);
  background: var(--bg-blue);
  color: var(--ink);
  margin-bottom: 18px;
  align-self: flex-start;
}

.engagement-card.featured .tag {
  background: var(--rda-red);
  color: white;
}

.engagement-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.engagement-card .scope {
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.engagement-card p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 20px;
  flex: 1;
}

.engagement-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.engagement-card li {
  font-size: 14px;
  color: var(--ink);
  padding: 6px 0 6px 22px;
  position: relative;
  line-height: 1.4;
}

.engagement-card li::before {
  content: "●";
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--rda-red-dark);
  font-size: 10px;
}

.split-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

@media (max-width: 900px) { .split-two { grid-template-columns: minmax(0, 1fr); } }

.split-pane {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  padding: 32px 32px 36px;
}

.split-pane.alt-pane {
  background: var(--bg-blue);
  border-color: var(--rule-blue);
}

.split-pane .pane-tag {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--rda-red-dark);
  margin-bottom: 14px;
}

.split-pane h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.split-pane ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.split-pane li {
  font-size: 15px;
  color: var(--ink);
  padding: 10px 0 10px 22px;
  position: relative;
  line-height: 1.5;
  border-bottom: 1px solid rgba(21, 45, 73, 0.08);
}

.split-pane li:last-child { border-bottom: 0; }

.split-pane li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 10px;
  color: var(--rda-red-dark);
  font-weight: 700;
}

.split-pane p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 16px 0 0;
}

.faq-list {
  border-top: 1px solid var(--rule);
}

.faq-item {
  border-bottom: 1px solid var(--rule);
  padding: 24px 0;
}

.faq-item h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.faq-item p {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0;
  max-width: 760px;
}

.faq-item p a {
  color: var(--rda-red-dark);
  text-decoration: none;
  font-weight: 500;
}

.faq-item p a:hover { text-decoration: underline; }

.wrapper-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) { .wrapper-grid { grid-template-columns: minmax(0, 1fr); } }

.wrapper-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  padding: 28px 28px 26px;
  display: flex;
  flex-direction: column;
}

.wrapper-card.forthcoming {
  background: var(--bg-panel);
  opacity: 0.85;
}

.wrapper-card .cmd {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.wrapper-card .cmd .forthcoming-tag {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rda-red-dark);
  margin-left: 8px;
}

.wrapper-card .role {
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}

.wrapper-card p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}

.brand-hero {
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.brand-hero-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: center;
}

@media (max-width: 900px) {
  .brand-hero-inner { grid-template-columns: minmax(0, 1fr); gap: 56px; }
}

.brand-hero .eyebrow {
  margin-bottom: 24px;
}

.brand-hero h1 {
  font-family: var(--font-sans);
  font-size: 64px;
  line-height: 1.05;
  font-weight: 600;
  margin: 0 0 28px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand-hero h1 .accent {
  color: var(--rda-red);
  font-weight: 700;
}

.brand-hero .lede {
  font-size: 22px;
  font-weight: 400;
  color: var(--ink-soft);
  margin: 0 0 36px;
  line-height: 1.5;
  max-width: 580px;
}

.brand-hero .hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.brand-hero .btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule-blue);
  padding: 14px 26px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--r-1);
  letter-spacing: 0.02em;
  transition: border-color 0.15s, background 0.15s;
  display: inline-block;
}

.brand-hero .btn-secondary:hover {
  border-color: var(--rda-red-dark);
  color: var(--rda-red-dark);
}

.brand-hero-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.offering-badge {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  position: relative;
  overflow: hidden;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.offering-badge::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--rda-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s;
}
.offering-badge:hover::before { transform: scaleX(1); }

.offering-badge:hover {
  border-color: var(--rule-blue);
  box-shadow: 0 12px 28px -18px rgba(21, 45, 73, 0.2);
}

.offering-badge .badge-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px 20px 13px;
  text-decoration: none;
}

.offering-badge .badge-num {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--rda-red-dark);
  letter-spacing: 0.08em;
  margin-bottom: 7px;
}

.offering-badge .badge-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.offering-badge .badge-arrow {
  margin-top: auto;
  padding-top: 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--rda-red-dark);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.offering-badge .badge-sublink {
  display: block;
  padding: 10px 22px 12px;
  border-top: 1px solid var(--rule);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}
.offering-badge .badge-sublink:hover { color: var(--rda-red-dark); background: var(--bg-blue); }

.brand-hero::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: var(--bg-blue);
  transform: rotate(-12deg);
  border-radius: var(--r-4);
  z-index: 1;
  opacity: 0.35;
}

@media (max-width: 720px) {
  .brand-hero h1 { font-size: 48px; }
  .brand-hero::after { display: none; }
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) { .pillar-grid { grid-template-columns: minmax(0, 1fr); } }

.pillar-grid--2 { grid-template-columns: repeat(2, 1fr); }

.pillar-grid--2 > :first-child:nth-last-child(5) { grid-column: 1 / -1; }
@media (max-width: 900px) { .pillar-grid--2 { grid-template-columns: minmax(0, 1fr); } }

.page-software .section-deck,
.page-software .page-header .deck,
.page-software .prose p,
.page-software .prose p.lede,
.page-software .prose ul,
.page-software .section-inner.narrow { max-width: none; }

.pillar-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  padding: 36px 36px 40px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.pillar-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--rda-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}

.pillar-card:hover {
  border-color: var(--rule-blue);
  box-shadow: var(--elev-raised);
  transform: translateY(-2px);
}

.pillar-card:hover::before { transform: scaleX(1); }

.pillar-card .pillar-num {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--rda-red-dark);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.pillar-card h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 14px;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.pillar-card .pillar-deck {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 26px;
}

.pillar-card .pillar-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  flex: 1;
}

.pillar-card .pillar-list li {
  font-size: 14px;
  color: var(--ink);
  padding: 8px 0 8px 22px;
  position: relative;
  line-height: 1.4;
  border-top: 1px solid rgba(21, 45, 73, 0.08);
}

.pillar-card .pillar-list li:first-child { border-top: 0; }

.pillar-card .pillar-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: var(--r-round);
  background: var(--rda-red);
}

.pillar-card .pillar-arrow {
  font-size: 14px;
  font-weight: 700;
  color: var(--rda-red-dark);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.quote-block {
  background: var(--bg-blue);
  border-radius: var(--r-3);
  padding: 56px 60px 52px;
  position: relative;
  max-width: 920px;
  margin: 0 auto;
}

@media (max-width: 720px) {
  .quote-block { padding: 40px 32px 36px; }
}

.quote-block::before {
  content: "\201C";
  position: absolute;
  top: 4px;
  left: 24px;
  font-size: 140px;
  line-height: 1;
  color: var(--rda-red);
  font-family: Georgia, serif;
  opacity: 0.18;
}

.quote-block blockquote {
  font-family: var(--font-sans);
  font-size: 26px;
  line-height: 1.4;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 28px;
  letter-spacing: -0.01em;
  position: relative;
  z-index: 2;
}

.quote-block .attribution {
  font-size: 14px;
  color: var(--ink-muted);
  font-weight: 500;
  border-top: 1px solid rgba(21, 45, 73, 0.15);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.quote-block .attribution .source { font-weight: 600; color: var(--ink); }
.quote-block .attribution .meta { font-size: 13px; color: var(--ink-muted); }

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

@media (max-width: 900px) { .course-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .course-grid { grid-template-columns: minmax(0, 1fr); } }

.course-card {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  padding: 24px 26px 28px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s, box-shadow 0.18s;
  position: relative;
}

.course-card:hover {
  border-color: var(--rule-blue);
  box-shadow: var(--elev-raised);
}

.course-card .course-thumb {
  background: var(--bg-blue);
  border-radius: var(--r-2);
  height: 130px;
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.course-card .course-thumb::before {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: var(--rda-red);
  opacity: 0.18;
  transform: rotate(45deg) translate(15px, 15px);
}

.course-card .course-thumb--art { height: auto; aspect-ratio: 1200 / 630; background: none; }
.course-card .course-thumb--art::before { display: none; }
.course-card .course-thumb--art img { display: block; width: 100%; height: 100%;
  object-fit: cover; border-radius: var(--r-2); }

.course-card .course-thumb span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  z-index: 2;
}

.course-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
  letter-spacing: -0.005em;
  line-height: 1.3;
  flex: 1;
}

.course-card .course-meta {
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 14px;
}

.course-card .course-arrow {
  font-size: 13px;
  color: var(--rda-red-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.team-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 900px) { .team-row { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .team-row { grid-template-columns: minmax(0, 1fr); } }

.team-member {
  text-align: left;
}

.team-member .avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--r-round);
  background: var(--rda-navy);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.team-member .team-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}

.team-member .team-role {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
}

@media (max-width: 720px) {

  .cap-matrix { overflow-x: auto; }
  .cap-matrix-head, .cap-matrix-row { min-width: 640px; }
}

@media (max-width: 640px) {

}

.sitefoot {
  background: var(--bg-dark);
  color: white;
  padding: 64px 0 28px;
}

.sitefoot-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.sitefoot-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 40px;
}

@media (max-width: 720px) {
  .sitefoot-contact { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}

.sitefoot-contact h3 {
  font-size: 18px;
  font-weight: 700;
  color: white;
  margin: 0 0 14px;
}

.sitefoot-contact p {
  margin: 0 0 10px;
  color: rgba(255,255,255,0.85);
  font-size: 16px;
}

.sitefoot-contact a {
  color: white;
  text-decoration: none;
}

.sitefoot-contact a:hover { color: var(--rda-red); }

.sitefoot-newsletter input {
  font-family: inherit;
  font-size: 15px;
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--r-1);
  background: rgba(255,255,255,0.08);
  color: white;
  width: 240px;
}

.sitefoot-newsletter input::placeholder { color: rgba(255,255,255,0.5); }

.sitefoot-newsletter button {
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 22px;
  border: 0;
  background: var(--rda-red);
  color: white;
  border-radius: var(--r-1);
  cursor: pointer;
  margin-left: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sitefoot-newsletter button:hover { background: var(--rda-red-dark); }

.sitefoot-newsletter .sitefoot-subscribe {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 22px;
  background: var(--rda-red);
  color: white;
  border-radius: var(--r-1);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sitefoot-newsletter .sitefoot-subscribe:hover { background: var(--rda-red-dark); }

.sitefoot-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

@media (max-width: 720px) { .sitefoot-cols { grid-template-columns: 1fr 1fr; gap: 28px; } }

.sitefoot-cols h4 {
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin: 0 0 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sitefoot-cols ul { list-style: none; padding: 0; margin: 0; }
.sitefoot-cols li { margin: 0 0 8px; font-size: 15px; }
.sitefoot-cols a { color: rgba(255,255,255,0.85); text-decoration: none; }
.sitefoot-cols a:hover { color: var(--rda-red); }

.sitefoot-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  gap: 24px;
  flex-wrap: wrap;
}

.sitefoot-bottom .socials { display: flex; gap: 18px; }
.sitefoot-bottom .socials a { color: rgba(255,255,255,0.85); text-decoration: none; font-size: 14px; }
.sitefoot-bottom .socials a:hover { color: var(--rda-red); }

.relband { background: var(--rda-blue-soft); border-block: 1px solid var(--rda-blue-line); }

.relband-inner {
  max-width: var(--max-content); margin: 0 auto; padding: 30px var(--gutter);
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 32px; align-items: center;
}
.rb-eyebrow {
  margin: 0 0 6px; font: 600 12px/1 var(--mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  letter-spacing: .13em; text-transform: uppercase; color: var(--rda-red-dark);
}
.rb-head { margin: 0; font-size: 25px; line-height: 1.2; color: var(--rda-navy); }
.rb-when { margin: 4px 0 0; font-size: 15px; color: var(--rda-navy-soft); }
.rb-have { margin: 14px 0 0; font-size: 14.5px; color: var(--rda-navy-soft); }
.rb-have-k {
  display: inline-block; margin-right: 8px;
  font: 600 11px/1 var(--mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  letter-spacing: .1em; text-transform: uppercase; color: var(--rda-navy);
}
.rb-tag {
  display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: var(--r-pill);
  background: #fff; border: 1px solid var(--rda-blue-line); font-size: 12px;
}

.rb-form { margin: 18px 0 0; }
.rb-label { display: block; margin-bottom: 7px; font-size: 14px; color: var(--rda-navy); }
.rb-row { display: flex; gap: 10px; flex-wrap: wrap; }
.rb-row input[type="email"] {
  flex: 1 1 15rem; min-width: 0; padding: 11px 13px; font: inherit; font-size: 15px;
  color: var(--rda-navy); background: #fff;
  border: 1px solid var(--rda-blue-line); border-radius: var(--r-2);
}
.rb-row input[type="email"]:focus-visible {
  outline: var(--focus-ring); outline-offset: var(--focus-offset); border-color: var(--rda-red);
}
.rb-row button {
  padding: 11px 18px; font: inherit; font-size: 15px; font-weight: 600; cursor: pointer;
  color: #fff; background: var(--rda-red); border: 1px solid var(--rda-red); border-radius: var(--r-2);
}
.rb-row button:hover { background: var(--rda-red-dark); border-color: var(--rda-red-dark); }
.rb-row button:focus-visible { outline: var(--focus-ring); outline-offset: var(--focus-offset); }
.rb-note { margin: 9px 0 0; font-size: 13px; color: var(--rda-navy-soft); }

.relband .hp-wrap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.relband-viz { justify-self: end; width: 100%; max-width: 380px; }
.rb-viz { display: block; width: 100%; height: auto; }
.rb-axis { stroke: var(--rda-blue-line); stroke-width: 1; }
.rb-solid { fill: none; stroke: var(--rda-navy); stroke-width: 2.5; stroke-linejoin: round; }
.rb-dashed {
  fill: none; stroke: var(--rda-red); stroke-width: 2.5; stroke-linejoin: round;
  stroke-dasharray: 6 5; opacity: .85;
}
.rb-now { stroke: var(--rda-navy-soft); stroke-width: 1; stroke-dasharray: 2 3; opacity: .5; }

.rb-sweep { transform-origin: 0 0; }
.rb-viz.rb-armed .rb-sweep { transform: scaleX(0); }
.rb-viz.rb-armed.rb-drawn .rb-sweep { animation: rb-sweep 1100ms cubic-bezier(.22, .61, .36, 1) forwards; }
@keyframes rb-sweep { from { transform: scaleX(0); } to { transform: scaleX(1); } }

@media (max-width: 860px) {
  .relband-inner { grid-template-columns: minmax(0, 1fr); gap: 22px;
                   padding: 26px var(--gutter); }
  .relband-viz { justify-self: stretch; max-width: none; order: -1; }
  .rb-head { font-size: 22px; }
}

.fx-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; }
.fx-grid > .fx-col { margin: 0; min-width: 0; }
.fx-col .code-showcase-head { display: flex; align-items: center; gap: 10px; }
.fx-tag {
  margin-left: auto; padding: 2px 9px; border-radius: var(--r-pill);
  font: 600 11px/1.6 var(--mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--rda-red); background: rgba(250, 0, 54, .10);
}
.fx-warn {
  margin: 0 0 18px; padding: 12px 15px; border-radius: var(--r-3);
  border: 1px solid var(--rda-blue-line); background: var(--rda-blue-soft);
  font-size: 14.5px; color: var(--rda-navy);
}
.fx-warn strong { color: var(--rda-red-dark); }

.page-header--method { padding-bottom: 26px; }

.section--tight { padding-top: calc(var(--section-y) * 0.42); }

.m-lead { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
          gap: 0; margin: 0 0 22px; border-radius: var(--r-3); overflow: hidden;
          background: var(--rda-navy); }
@media (max-width: 860px) { .m-lead { grid-template-columns: minmax(0, 1fr); } }
.m-lead-a { display: flex; flex-direction: column; gap: 10px; padding: 30px 32px 28px;
            color: #fff; text-decoration: none; }
.m-lead-a h2 { margin: 0; font-size: 30px; line-height: 1.1; letter-spacing: -.02em;
               color: #fff; }
.m-lead-sum { margin: 2px 0 0; font-size: 16.5px; line-height: 1.6; color: #C9D7E9;
              max-width: 46ch; }
.m-lead-a:hover .m-go { color: #fff; }
.m-kids { background: rgba(255, 255, 255, .055); padding: 30px 32px 28px;
          display: flex; flex-wrap: wrap; align-content: flex-start; gap: 9px;
          border-left: 1px solid rgba(255, 255, 255, .10); }
@media (max-width: 860px) { .m-kids { border-left: 0;
          border-top: 1px solid rgba(255, 255, 255, .10); } }
.m-kids-k { flex: 0 0 100%; font: 600 10.5px/1 var(--mono, ui-monospace, Menlo, monospace);
            letter-spacing: .13em; text-transform: uppercase; color: #8FA6C4;
            margin: 0 0 4px; }
.m-chip { display: inline-flex; align-items: baseline; gap: 7px; padding: 8px 13px;
          border-radius: var(--r-pill); background: rgba(255, 255, 255, .10);
          border: 1px solid rgba(255, 255, 255, .16); color: #EAF1FA;
          text-decoration: none; font-size: 14.5px; line-height: 1;
          transition: background .13s ease, border-color .13s ease; }
.m-chip:hover { background: var(--rda-red); border-color: var(--rda-red); color: #fff; }
.m-chip-n { font: 600 11px/1 var(--mono, ui-monospace, Menlo, monospace); color: #90A8C6;
            font-variant-numeric: tabular-nums; }
.m-chip:hover .m-chip-n { color: #fff; }

.m-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(268px, 100%), 1fr));
          gap: 16px; align-items: stretch; }
.m-card { display: flex; flex-direction: column; gap: 8px; height: 100%;
          padding: 22px 22px 20px; border-radius: var(--r-3); text-decoration: none;
          background: var(--rda-blue-panel); color: var(--rda-navy);
          border: 1px solid transparent;
          transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease; }
.m-card:hover { transform: translateY(-2px); border-color: var(--rda-red);
                box-shadow: var(--elev-raised); }
.m-card h2 { margin: 1px 0 0; font-size: 19.5px; line-height: 1.22; letter-spacing: -.012em; }
.m-card-k { font: 600 10.5px/1 var(--mono, ui-monospace, Menlo, monospace);
            letter-spacing: .13em; text-transform: uppercase; color: var(--rda-red-dark); }
.m-lead .m-card-k { color: #FF6E88; }
.m-sum { margin: 3px 0 0; font-size: 14.5px; line-height: 1.55; color: #46596F; }

.m-meta { margin: auto 0 0; padding-top: 12px; font-size: 13.5px; line-height: 1.5;
          color: #56698A; }
.m-lead .m-meta { color: #9DB2CC; }
.m-n { font-weight: 700; color: var(--rda-navy); font-variant-numeric: tabular-nums; }
.m-lead .m-n { color: #fff; }
.m-go { font-size: 14.5px; font-weight: 600; color: var(--rda-red-dark); margin-top: 4px; }
.m-lead .m-go { color: #FF6E88; margin-top: 8px; }

.m-gaps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px 30px;
          grid-template-columns: repeat(auto-fill, minmax(min(310px, 100%), 1fr));
          max-width: 1000px; }
.m-gaps li { padding-left: 15px; border-left: 2px solid var(--rda-blue-line); }
.m-gap-t { display: block; font-weight: 600; color: var(--rda-navy); font-size: 16px; }
.m-gap-s { display: block; margin-top: 3px; font-size: 14px; line-height: 1.5;
           color: var(--rda-navy-soft); }

.m-open { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
          gap: 34px; align-items: center; margin: 0 0 40px; }
@media (max-width: 900px) { .m-open { grid-template-columns: minmax(0, 1fr); gap: 26px; } }
.m-open .mfig { margin: 0; max-width: none; }
.m-open .m-def { margin: 6px 0 0; }

.m-def { margin: 0 0 34px; padding: 0 0 0 18px; border-left: 3px solid var(--rda-red);
         max-width: 74ch; }
.m-def-p { margin: 0; font-size: 19px; line-height: 1.55; color: var(--rda-navy);
           letter-spacing: -.006em; }
.m-alias { margin: 9px 0 0; font-size: 14.5px; color: var(--rda-navy-soft); }
.m-alias em { font-style: normal; color: var(--rda-navy); font-weight: 500; }

.m-rows { border-top: 1px solid var(--rda-blue-line); }
.m-row { display: grid; grid-template-columns: 168px minmax(0, 1fr); gap: 28px;
         padding: 22px 0; border-bottom: 1px solid var(--rda-blue-line); align-items: start; }
@media (max-width: 700px) { .m-row { grid-template-columns: minmax(0, 1fr); gap: 10px; } }
.m-k { font: 600 12px/1.5 var(--mono, ui-monospace, Menlo, monospace);
       letter-spacing: .09em; text-transform: uppercase; color: var(--rda-red-dark);
       display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; padding-top: 3px; }
.m-k-n { font-size: 11px; font-weight: 700; color: var(--rda-navy-soft);
         background: var(--rda-blue-soft); border: 1px solid var(--rda-blue-line);
         border-radius: var(--r-pill); padding: 2px 7px; letter-spacing: 0;
         font-variant-numeric: tabular-nums; }

.m-row--paper .m-k { color: var(--rda-navy); }
.m-row--paper .m-k-n { background: var(--rda-navy); color: #fff; border-color: var(--rda-navy); }
.m-v { font-size: 16.5px; line-height: 1.6; }
.m-link { display: inline-block; margin: 0 7px 7px 0; padding: 7px 13px; border-radius: var(--r-pill);
          background: var(--rda-blue-soft); border: 1px solid var(--rda-blue-line);
          color: var(--rda-navy); text-decoration: none; font-size: 15px;
          transition: background .12s ease, border-color .12s ease, color .12s ease; }
.m-link:hover { background: var(--rda-navy); border-color: var(--rda-navy); color: #fff; }
.m-row--software .m-link { font-family: var(--mono, ui-monospace, Menlo, monospace);
                           font-size: 14px; }
.m-sub { display: block; margin-top: 11px; font-size: 14.5px; color: var(--rda-navy-soft);
         max-width: 68ch; }

.m-pubs { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column;
          gap: 13px; }
.m-pubs li { padding-left: 15px; border-left: 2px solid var(--rda-blue-line); }
.m-pubs li:hover { border-left-color: var(--rda-red); }
.m-pubs a { color: var(--rda-navy); text-decoration: none; font-size: 16px; line-height: 1.45;
            border-bottom: 1px solid transparent; }
.m-pubs a:hover { border-bottom-color: var(--rda-red); }
.m-pubmeta { display: block; margin-top: 3px; font-size: 14px; color: var(--rda-navy-soft);
             font-variant-numeric: tabular-nums; }

.method-backlink { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px;
  margin: 34px 0 0; padding-top: 18px; border-top: 1px solid var(--rda-blue-line); }
.method-backlink-k { font: 600 12px/1.5 var(--mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  letter-spacing: .1em; text-transform: uppercase; color: var(--rda-navy-soft); }
.method-backlink a { color: var(--rda-navy); text-decoration: none;
  border-bottom: 1px solid var(--rda-blue-line); }
.method-backlink a:hover { color: var(--rda-red-dark); border-bottom-color: var(--rda-red); }

.mfig { margin: 0 0 34px; padding: 0; border-radius: var(--r-3); overflow: hidden;
        background: #EFF2F7; border: 1px solid var(--rda-blue-line);

        max-width: 720px; }
.mfig picture, .mfig img { display: block; width: 100%; height: auto; }
.mfig figcaption { padding: 16px 22px 18px; font-size: 15px; line-height: 1.6;
                   color: var(--rda-navy-soft); background: #fff;
                   border-top: 1px solid var(--rda-blue-line); }
@media (max-width: 620px) { .mfig figcaption { padding: 14px 16px 16px; font-size: 14.5px; } }

.sp-list { list-style: none; margin: 0 0 26px; padding: 0; display: flex;
           flex-direction: column; gap: 1px; background: var(--rda-blue-line);
           border: 1px solid var(--rda-blue-line); border-radius: var(--r-3); overflow: hidden;
           max-width: 1000px; }
.sp-row { display: flex; align-items: baseline; justify-content: space-between; gap: 18px;
          background: #fff; padding: 16px 46px; flex-wrap: wrap; }
@media (max-width: 540px) { .sp-row { padding: 14px 26px; } }

#self-paced .intro-facts { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 720px) { #self-paced .intro-facts { grid-template-columns: repeat(2, 1fr); } }
.sp-a { color: var(--rda-navy); text-decoration: none; font-size: 16.5px; font-weight: 600;
        border-bottom: 1px solid transparent; }
a.sp-a:hover { border-bottom-color: var(--rda-red); }
.sp-meta { font-family: "SF Mono", ui-monospace, Menlo, monospace; font-size: 12.5px;
           color: var(--rda-navy-soft); letter-spacing: .02em; white-space: nowrap; }
.sp-row--soon .sp-a { color: var(--rda-navy-soft); font-weight: 500; }

.btn { font-size: 13px; padding: 11px 22px; letter-spacing: 0.01em; }

.brand-hero .hero-actions .btn { font-size: 15px; padding: 14px 26px; letter-spacing: 0.02em; }

.contact-form { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.contact-form label { display: flex; flex-direction: column; gap: 8px;
  font-family: var(--font-sans); font-size: 14px; font-weight: 600;
  letter-spacing: 0.01em; color: var(--ink); }
.contact-form input,
.contact-form select,
.contact-form textarea { font-family: var(--font-sans); font-size: 15px;
  font-weight: 400; color: var(--ink); padding: 12px 14px;
  border: 1px solid var(--rule-field); border-radius: var(--r-1); background: #fff;
  transition: border-color 0.15s;
  width: 100%; box-sizing: border-box; }
.contact-form select { appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%),
    linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 19px, calc(100% - 14px) 19px;
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { outline: none; border-color: var(--rda-red-dark); }

.contact-form input:focus-visible,
.contact-form select:focus-visible,
.contact-form textarea:focus-visible { outline: 2px solid var(--rda-red-dark); outline-offset: 2px; }
.contact-form textarea { resize: vertical; min-height: 110px; }
.contact-form .btn { align-self: flex-start; cursor: pointer; }
.form-note { font-size: 13px; font-weight: 400; color: var(--ink-muted); margin: 4px 0 0; }

.contact-form-fields { display: flex; flex-direction: column; gap: 18px; margin: 18px 0 0; min-width: 0; }
.label-optional { font-weight: 400; color: var(--ink-muted); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form-fields .field-error { font-size: 13px; color: var(--rda-red-dark); margin: 6px 0 0; }
.contact-form-fields input[aria-invalid="true"],
.contact-form-fields textarea[aria-invalid="true"] { border-color: var(--rda-red); }

.tickset { margin: 0; padding: 0; border: 0; }
.tickset legend { padding: 0; margin-bottom: 8px; font-size: 15px; font-weight: 500;
  color: var(--ink); }
.tickrow { display: flex; align-items: flex-start; gap: 11px; padding: 11px 13px;
  border: 1px solid var(--rule); border-radius: var(--r-2); margin-bottom: 7px; cursor: pointer;
  transition: border-color .12s ease, background .12s ease; }
.tickrow:hover { border-color: var(--rda-red); }

.tickrow:has(input:checked) { border-color: var(--rda-red); background: var(--bg-blue); }
.tickrow:has(input:focus-visible) { outline: 2px solid var(--rda-red); outline-offset: 2px; }
.tickrow input { margin: 2px 0 0; width: 16px; height: 16px; accent-color: var(--rda-red);
  flex: none; }
.tickrow-text { display: flex; flex-direction: column; gap: 2px; font-size: 15px;
  line-height: 1.35; }
.tickrow-note { font-size: 13px; line-height: 1.4; color: var(--ink-muted); }
.contact-form-fields .tickset[aria-invalid], .field > .field-error { margin-top: 6px; }
.form-status { font-size: 14px; margin: 4px 0 0; min-height: 1em; }

.sitefoot-signup-row { display: flex; align-items: stretch; }
.sitefoot-signup-row input { flex: 1 1 auto; min-width: 0; max-width: 260px; }
.sitefoot-signup .form-status { color: rgba(255,255,255,0.85); }
.sitefoot-signup .form-status.is-error { color: #FFB3C0; }
.sitefoot-signup .form-status.is-ok { color: #9FE8CF; font-weight: 600; }
.sitefoot-signup .field-error { color: #FFB3C0; font-size: 13px; margin: 6px 0 0; }

.sitefoot-contact .sitefoot-signup-note { font-size: 12.5px; color: rgba(255,255,255,0.55);
  margin: 8px 0 0; }
.sitefoot-contact .form-status { font-size: 14px; }

.toolsignup { display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start;
  justify-content: space-between; background: var(--tint, #f6f8fc);
  border: 1px solid var(--rule); border-radius: var(--r-3); padding: 26px 28px; }
.toolsignup-copy { flex: 1 1 320px; min-width: 0; }
.toolsignup-copy h2 { font-size: 20px; margin: 0 0 6px; letter-spacing: -0.01em; }
.toolsignup-copy p { margin: 0; font-size: 15px; color: var(--ink-muted, #5b7089); max-width: 46ch; }
.toolsignup-form { flex: 0 1 300px; display: flex; flex-direction: column; gap: 10px; }
.toolsignup-form .field { margin: 0; }
.toolsignup-form input { width: 100%; }
.toolsignup-form .btn { align-self: flex-start; cursor: pointer; }
.toolsignup-form .form-small { margin: 0; }

.form-status.is-error { color: var(--rda-red-dark); }
.form-status.is-ok { color: var(--ink); font-weight: 600; }
.contact-form-fields button.is-busy { opacity: 0.6; cursor: progress; }

.bench-case { margin: 0 0 34px; overflow-x: auto; }
.bench-case figcaption { font-size: 15px; font-weight: 600; color: var(--ink); margin: 0 0 10px; }
.bench-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.bench-table th, .bench-table td { padding: 10px 14px; border-bottom: 1px solid var(--rule);
  text-align: left; }
.bench-table thead th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-muted); font-weight: 700; border-bottom: 1px solid var(--rule-blue); }

.bench-table .num { text-align: right; font-family: "SF Mono", Menlo, monospace;
  font-variant-numeric: tabular-nums; }
.bench-table tbody tr:last-child td { border-bottom: 0; }
@media (max-width: 720px) {
  .bench-case { overflow-x: auto; }
  .bench-table { min-width: 520px; }
}

.tool-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center;
  margin: 38px 0; }
.tool-preview > a { display: block; grid-column: 1; grid-row: 1; }
.tool-preview > figcaption { grid-column: 2; grid-row: 1; font-size: 16px; line-height: 1.65;
  color: var(--ink-soft); margin: 0; }

.tool-preview--flip > a { grid-column: 2; }
.tool-preview--flip > figcaption { grid-column: 1; }
.tool-preview img { width: 100%; height: auto; display: block; border: 1px solid var(--rule);
  border-radius: var(--r-3); }
.tool-preview figcaption strong { display: block; color: var(--ink); font-size: 17px;
  margin: 0 0 6px; }

@media (max-width: 720px) {
  .tool-preview { grid-template-columns: minmax(0, 1fr); gap: 14px; margin: 30px 0; }
  .tool-preview > a,
  .tool-preview--flip > a { grid-column: 1; grid-row: 1; }
  .tool-preview > figcaption,
  .tool-preview--flip > figcaption { grid-column: 1; grid-row: 2; }
}

button.btn, button.btn-secondary {
  appearance: none; -webkit-appearance: none;
  cursor: pointer;
  line-height: 1.6;
  text-align: center;
}
button.btn { border: 0; }

.form-row .field > label { flex: 1; }
.form-row .field > label > input,
.form-row .field > label > select,
.form-row .field > label > textarea { margin-top: auto; }

.contact-form-fields[hidden], .form-done[hidden] { display: none; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 980px) { .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 48px; } }
.contact-grid > .contact-form { max-width: 520px; }

.rfi-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 56px; align-items: start; }
@media (max-width: 900px) { .rfi-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; } }
.rfi-grid > .contact-form { max-width: 620px; }

.field { display: flex; flex-direction: column; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form-row { grid-template-columns: minmax(0, 1fr); } }
.field-narrow input { max-width: 240px; }
.field-help { font-size: 13px; font-weight: 400; color: var(--ink-muted); margin: 6px 0 0; }

.form-h { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; color: var(--ink); margin: 0 0 10px; }
.form-lede { font-size: 16px; line-height: 1.6; color: var(--ink-soft); margin: 0; }
.form-reassure { font-size: 13px; line-height: 1.5; color: var(--ink-muted); margin: 12px 0 0; }
.form-nojs { font-size: 15px; color: var(--ink-soft); border-left: 3px solid var(--rda-red);
  padding-left: 14px; margin: 18px 0 0; }

.form-done { padding: 8px 0 0; }
.form-done h3 { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; color: var(--ink);
  margin: 0 0 12px; outline: none; }
.form-done p { font-size: 17px; line-height: 1.55; color: var(--ink-soft); margin: 0 0 20px; }
.form-done-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.form-done button.btn-secondary { cursor: pointer; }

.contact-aside { background: var(--bg-panel); border: 1px solid var(--rule);
  border-radius: var(--r-4); padding: 36px 40px; }
.rfi-grid .contact-aside { grid-column: 2; grid-row: 1; padding: 32px 34px;
  position: sticky; top: calc(var(--nav-h) + 24px); }
@media (max-width: 900px) { .rfi-grid .contact-aside { grid-column: auto; grid-row: auto; } }
@media (max-width: 1100px) { .rfi-grid .contact-aside { position: static; } }
@media (max-width: 720px) { .contact-aside { padding: 28px 24px; } }

.contact-aside .label { font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--rda-red-dark); margin: 0 0 8px; }
.contact-aside .val { font-size: 17px; font-weight: 500; line-height: 1.5; color: var(--ink);
  margin: 0 0 24px; }
.contact-aside .val a { color: var(--ink); text-decoration: none;
  border-bottom: 1px solid var(--rule-blue); }
.contact-aside .val a:hover { border-bottom-color: var(--rda-red); color: var(--rda-red-dark); }
.contact-aside ol { margin: 0 0 24px; padding-left: 20px; }
.contact-aside ol li { font-size: 15px; line-height: 1.55; color: var(--ink-soft); margin: 0 0 6px; }

.rda-badges { display: flex; gap: 8px 14px; flex-wrap: wrap; margin: 4px 0 0; }
.rda-badge { display: inline-flex; align-items: center; gap: 7px; font-size: 14px;
  font-weight: 500; color: var(--ink-muted); }
.rda-badge::before { content: ""; width: 6px; height: 6px; border-radius: var(--r-round);
  flex-shrink: 0; background: var(--ink-muted); }
.rda-badge.accent::before { background: var(--rda-red); }
.rda-badge.navy::before { background: var(--rda-navy); }

.rfi-form fieldset { border: 0; margin: 0 0 40px; padding: 0; min-width: 0; }
.rfi-form fieldset:last-of-type { margin-bottom: 28px; }
.rfi-form legend { display: block; width: 100%; padding: 20px 0 0; margin: 0 0 6px;
  font-size: 20px; font-weight: 700; letter-spacing: -0.01em; color: var(--ink);
  border-top: 1px solid var(--rule); }
.rfi-form fieldset:first-of-type legend { padding-top: 0; border-top: 0; }
.rfi-form legend .num { font-family: "SF Mono", Menlo, monospace; font-size: 13px;
  font-weight: 700; color: var(--rda-red-dark); letter-spacing: 0.06em;
  margin-right: 10px; vertical-align: 2px; }
.fs-help { font-size: 15px; line-height: 1.55; color: var(--ink-muted); margin: 0 0 18px; max-width: 46em; }
.fs-fields { display: flex; flex-direction: column; gap: 18px; }
.rfi-form input[type="date"] { min-height: 45px; }

.pub-year-group { margin-top: 40px; }
.pub-year-group:first-of-type { margin-top: 8px; }
.pub-year { font-size: 22px; font-weight: 700; color: var(--rda-red);
  margin: 0 0 18px; letter-spacing: -0.01em; }
.pub-list { margin: 0; padding-left: 24px; display: flex;
  flex-direction: column; gap: 16px; }
.pub-entry { font-size: 15px; line-height: 1.6; color: var(--ink-soft); }
.pub-entry .pub-authors { color: var(--ink); }
.pub-entry .pub-title { font-weight: 600; color: var(--ink); }
.pub-entry .pub-journal { font-style: italic; }
.pub-entry .pub-link { white-space: nowrap; font-weight: 600;
  color: var(--rda-red-dark); text-decoration: none; }
.pub-entry .pub-link:hover { text-decoration: underline; }
.pub-entry .pub-me { background: var(--rda-blue-soft); color: var(--ink);
  font-weight: 600; padding: 0.5px 4px; border-radius: var(--r-1);
  -webkit-box-decoration-break: clone; box-decoration-break: clone; }

@media (max-width: 1210px) { .topbar nav { gap: 15px; }
  .topbar nav > .nav-group { margin-left: 12px; } }
@media (max-width: 1160px) { .topbar nav { gap: 14px; font-size: 14px; }
  .topbar nav > .nav-group { margin-left: 8px; } }

.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; margin: 0; padding: 11px; background: none; border: 0; cursor: pointer; }
.nav-toggle span { display: block; width: 100%; height: 2px; border-radius: 2px; background: var(--ink);
  transition: transform .2s ease, opacity .2s ease; }
.topbar.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.topbar.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.topbar.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .topbar nav { position: absolute; top: 100%; left: 0; right: 0; z-index: 49;
    flex-direction: column; align-items: stretch; gap: 0; font-size: 15px;
    background: var(--bg); border-bottom: 1px solid var(--rule);
    box-shadow: 0 16px 28px -18px rgba(21, 45, 73, 0.3);
    padding: 6px 0; display: none;
    max-height: calc(100vh - var(--nav-h));
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto; overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch; }
  .topbar.nav-open nav { display: flex; }
  .topbar nav a { padding: 14px var(--gutter); }
  .topbar nav .mega-shelf-l a { display: inline; padding: 0; }
  .topbar nav a:hover, .topbar nav a.active { background: var(--bg-panel); color: var(--rda-red-dark); }

  .has-mega { position: static; display: flex; flex-wrap: wrap; align-items: stretch;
    width: 100%; height: auto; }
  .topbar nav .mega-trigger { flex: 1 1 auto; padding: 14px var(--gutter); }
  .mega-chev { display: none; }
  .topbar nav > .nav-group { margin-left: 0; margin-top: 6px; padding-top: 6px;
    border-top: 1px solid var(--rule); }
  .mega-shelf { flex-wrap: wrap; padding-left: var(--gutter); padding-right: var(--gutter); }
  .mega-toggle { display: flex; align-items: center; justify-content: center;
    flex: 0 0 auto; width: 56px; min-height: 44px; margin: 0; padding: 0;
    background: none; border: 0; color: var(--rda-red-dark); cursor: pointer;
    transition: transform 0.2s; }
  .has-mega.open > .mega-toggle { transform: rotate(180deg); }
  .has-mega > .mega-panel { flex: 0 0 100%; display: none; }
  .has-mega.open > .mega-panel { display: block; }

  :root:not(.js) .topbar { position: static; height: auto; display: block; }
  :root:not(.js) .topbar-inner { flex-wrap: wrap; }
  :root:not(.js) .nav-toggle,
  :root:not(.js) .mega-toggle { display: none; }
  :root:not(.js) .topbar nav { display: flex; position: static; max-height: none;
    overflow: visible; box-shadow: none; border-bottom: 0;
    flex: 1 1 100%; min-width: 0; }
  :root:not(.js) .has-mega > .mega-panel { display: block; }
  .mega-panel { position: static; width: auto; max-width: none; opacity: 1; visibility: visible;
    transform: none; box-shadow: none; border: 0; border-top: 1px solid var(--rule);
    border-radius: 0; background: var(--bg-panel); padding: 2px 0 6px; z-index: auto; }
  .mega-inner { padding: 0; }
  .mega-eyebrow { display: none; }
  .mega-grid { grid-template-columns: 1fr; gap: 6px; padding: 6px var(--gutter); }
  .mega-panel .mega-card { padding: 12px 16px; border-radius: var(--r-3); }
  .mega-card::before { display: none; }
  .mega-name { font-size: 17px; margin-bottom: 4px; }
  .mega-deck, .mega-arrow, .mega-foot span { display: none; }
  .mega-foot { padding: 6px var(--gutter) 10px; margin-top: 0; border-top: 0; }
  .mega-panel .mega-foot a { display: block; padding: 6px 0; }
}

@media (max-width: 900px) { :root { --gutter: 40px; } }
@media (max-width: 600px) { :root { --gutter: 22px; } }

@media (max-width: 600px) {
  .hero h1 { font-size: 44px; }
  .page-header h1 { font-size: 40px; }
  .page-header h1 .rda-prefix { font-size: 40px; }
}
@media (max-width: 400px) {
  .hero h1 { font-size: 37px; }
  .page-header h1 { font-size: 33px; }
  .page-header h1 .rda-prefix { font-size: 33px; }
}

@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
html { scroll-padding-top: calc(var(--nav-h) + 24px); }
.page-header-actions { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

.page-header .deck-support { max-width: 640px; margin: 14px 0 0; font-size: 16px;
  line-height: 1.6; color: var(--ink-muted); }

.page-header-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 424px);
  gap: 36px 72px; align-items: center; }

.page-header-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px;
  background: var(--rda-blue-line); border: 1px solid var(--rda-blue-line);
  border-radius: var(--r-3); overflow: hidden; }
.page-header-facts::before { content: "Key figures"; grid-column: 1 / -1;
  background: var(--rda-blue-soft); padding: 13px 22px 12px; font-size: 11px; font-weight: 700;
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--ink-muted); }
.page-header-facts > div { display: flex; flex-direction: column; gap: 5px;
  background: var(--rda-blue-soft); padding: 19px 22px 21px; }
.page-header-facts > div:nth-child(3):last-child { grid-column: 1 / -1; }
.page-header-facts > div::before { content: ""; width: 22px; height: 3px; border-radius: 2px;
  background: var(--rda-blue-line); margin-bottom: 9px; }
.page-header-facts > div:first-of-type::before { background: var(--rda-red); }

.page-header-facts .fact-num { display: flex; align-items: flex-end; min-height: 40px;
  font-size: 36px; font-weight: 700; color: var(--ink); letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums; line-height: 1; }
.page-header-facts .fact-num.word { font-size: 21px; line-height: 1.15; letter-spacing: -0.01em; }
.page-header-facts .fact-num .accent { color: var(--rda-red); }
.page-header-facts .fact-label { font-size: 13px; color: var(--ink-muted); font-weight: 500;
  letter-spacing: 0.02em; line-height: 1.4; }
@media (max-width: 900px) {
  .page-header-split { grid-template-columns: minmax(0, 1fr); }
  .page-header-facts { margin-top: 30px; max-width: 560px; }
  .page-header-facts .fact-num { font-size: 31px; min-height: 35px; }
  .page-header-facts .fact-num.word { font-size: 19px; }
}

@media (max-width: 430px) {
  .page-header-facts::before { padding: 11px 15px 10px; letter-spacing: 0.1em; }
  .page-header-facts > div { padding: 15px 15px 17px; }
  .page-header-facts > div::before { width: 18px; margin-bottom: 7px; }
  .page-header-facts .fact-num { font-size: 27px; min-height: 30px; }
  .page-header-facts .fact-num.word { font-size: 17px; }
  .page-header-facts .fact-label { font-size: 12px; }
}

.nav-search { display: none; align-items: center; gap: 7px; padding: 7px 11px;
  background: none; border: 1px solid var(--rule); border-radius: var(--r-2);
  color: var(--ink-muted); cursor: pointer; white-space: nowrap;
  transition: border-color .15s, color .15s; }
.js #site-nav .nav-search { display: inline-flex; }
.nav-search:hover, .nav-search:focus-visible { color: var(--ink); border-color: var(--rule-blue); }
.nav-search svg { flex-shrink: 0; }
.nav-search-key { font-family: "SF Mono", Menlo, monospace; font-size: 11px; line-height: 1;
  padding: 3px 5px; border: 1px solid var(--rule); border-radius: var(--r-1); color: var(--ink-muted); }
#site-nav { flex-wrap: nowrap; flex-shrink: 0; }
#site-nav > a { white-space: nowrap; }
.search-veil { position: fixed; inset: 0; z-index: 200; background: rgba(21, 45, 73, 0.32);
  backdrop-filter: blur(2px); display: flex; align-items: flex-start; justify-content: center;
  padding: 10vh 20px 20px; }
.search-veil[hidden] { display: none; }
.search-panel { width: 100%; max-width: 620px; background: var(--bg); border-radius: var(--r-3);
  box-shadow: 0 24px 70px rgba(21, 45, 73, 0.28); overflow: hidden; }
.search-field { display: flex; align-items: center; gap: 12px; padding: 16px 18px;
  border-bottom: 1px solid var(--rule); color: var(--ink-muted); }
.search-field input { flex: 1; min-width: 0; border: 0; outline: 0; background: none;
  font-family: inherit; font-size: 17px; color: var(--ink); }
.search-field input::-webkit-search-cancel-button { display: none; }
.search-close { font-family: "SF Mono", Menlo, monospace; font-size: 11px; cursor: pointer;
  padding: 4px 7px; border: 1px solid var(--rule); border-radius: var(--r-1);
  background: none; color: var(--ink-muted); }
.search-results { max-height: min(56vh, 460px); overflow-y: auto; }
.search-hit { display: block; padding: 13px 18px; border-bottom: 1px solid var(--rule);
  text-decoration: none; }
.search-hit:last-child { border-bottom: 0; }
.search-hit:hover, .search-hit:focus-visible { background: var(--bg-panel); }
.search-hit-kind { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--rda-red-dark); margin-bottom: 3px; }
.search-hit-title { display: block; font-size: 16px; font-weight: 600; color: var(--ink);
  line-height: 1.3; }
.search-hit-desc { display: block; font-size: 13.5px; color: var(--ink-muted); margin-top: 3px;
  line-height: 1.45; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; }
.search-empty, .search-more { margin: 0; padding: 18px; font-size: 14.5px; color: var(--ink-muted); }
.search-more { border-top: 1px solid var(--rule); }
@media (max-width: 1180px) { .nav-search-key { display: none; } }
@media (max-width: 720px) { .search-veil { padding-top: 6vh; } }

.code-wrap { position: relative; }
.code-copy { position: absolute; top: 10px; right: 10px; opacity: 0.55;
  font-family: "SF Mono", Menlo, monospace; font-size: 11px; letter-spacing: 0.04em;
  padding: 5px 10px; border-radius: var(--r-1); cursor: pointer;
  color: #cfe0f5; background: rgba(255, 255, 255, 0.11);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: opacity .15s, background .15s, color .15s; }
.code-wrap:hover .code-copy, .code-copy:focus-visible, .code-copy:hover { opacity: 1; }
.code-copy:hover { background: rgba(255, 255, 255, 0.2); color: #fff; }
.code-copy.is-done { opacity: 1; color: #fff; background: var(--rda-red); border-color: transparent; }
@media (hover: none) { .code-copy { opacity: 0.8; } }

.gloss-tools { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin: 0 0 18px; }
.js .gloss-tools[hidden] { display: flex; }
.gloss-tools input { flex: 1 1 320px; min-width: 0; font: inherit; font-size: 15px;
  padding: 11px 16px; border: 1px solid var(--rule-field); border-radius: var(--r-2);
  background: var(--bg); color: var(--ink); }
.gloss-tools input:focus { border-color: var(--rda-red-dark); }
.gloss-tools input:focus-visible { outline: var(--focus-ring);
  outline-offset: var(--focus-offset); }
.gloss-count { font-family: "SF Mono", Menlo, monospace; font-size: 12.5px; color: var(--ink-muted); }
.gloss-rail { display: flex; flex-wrap: wrap; gap: 3px 5px; margin: 0 0 22px;
  padding-bottom: 18px; border-bottom: 1px solid var(--rule); }
.gloss-rail a { font-family: "SF Mono", Menlo, monospace; font-size: 12.5px; font-weight: 600;
  min-width: 26px; text-align: center; padding: 4px 6px; border-radius: var(--r-1);
  color: var(--ink-muted); text-decoration: none; }
.gloss-rail a:hover, .gloss-rail a:focus-visible { color: #fff; background: var(--rda-red); }
.gloss-rail span { font-family: "SF Mono", Menlo, monospace; font-size: 12.5px; font-weight: 600;
  min-width: 26px; text-align: center; padding: 4px 6px; color: var(--rule-blue); }
.gloss-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: 2px 40px; }
.gloss-entry { padding: 18px 0 20px; border-top: 1px solid var(--rule); scroll-margin-top: 100px; }

.gloss-letter { grid-column: 1 / -1; margin: 42px 0 1px; font-family: "SF Mono", Menlo, monospace;
  font-size: 14px; font-weight: 700; letter-spacing: 0.14em; line-height: 1.2;
  color: var(--rda-red-dark); scroll-margin-top: 100px; }
.gloss-letter:first-child { margin-top: 0; }
.gloss-entry[hidden], .gloss-letter[hidden] { display: none; }
.gloss-entry:target { background: var(--bg-blue); border-radius: var(--r-2); border-top-color: transparent;
  padding: 18px 16px 20px; margin: 0 -16px; }
.gloss-entry h3 { margin: 0 0 6px; font-size: 17px; font-weight: 700; color: var(--ink);
  letter-spacing: -0.01em; }
.gloss-also { display: block; margin-top: 3px; font-size: 12px; font-weight: 500;
  letter-spacing: 0.02em; color: var(--ink-muted); text-transform: none; }
.gloss-entry p { margin: 0; font-size: 15px; line-height: 1.55; color: var(--ink-soft); }
.gloss-code { margin-top: 10px; border-radius: var(--r-2); overflow: hidden; background: var(--bg-panel); }
.gloss-syn { display: grid; grid-template-columns: 46px minmax(0, 1fr); align-items: baseline;
  gap: 10px; padding: 7px 11px; }
.gloss-syn + .gloss-syn { border-top: 1px solid var(--rule); }
.gloss-syn span { font-size: 10px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--rda-red-dark); }
.gloss-syn code { font-family: "SF Mono", Menlo, monospace; font-size: 12px; line-height: 1.45;
  color: var(--ink); background: none; padding: 0; word-break: break-word; }
.gloss-links { margin-top: 10px !important; display: flex; flex-wrap: wrap; gap: 4px 16px; }
.gloss-links a { font-size: 13px; font-weight: 600; color: var(--rda-red-dark); text-decoration: none; }
.gloss-links a:hover { text-decoration: underline; }
.gloss-empty { margin: 26px 0 0; color: var(--ink-muted); }

a.gloss { color: inherit; text-decoration: none; border-bottom: 1px dotted var(--rule-blue); }
a.gloss:hover, a.gloss:focus-visible { color: var(--rda-red); border-bottom-color: var(--rda-red); }

html { scrollbar-gutter: stable; }

.check-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 18px; margin-top: 6px; }
.check-card { padding: 24px 26px 26px; background: var(--bg); border: 1px solid var(--rule);
  border-radius: var(--r-3); }
.check-n { display: inline-block; font-size: 32px; font-weight: 700; line-height: 1;
  color: var(--rda-red); letter-spacing: -0.03em; margin-bottom: 10px; }
.check-card h3 { margin: 0 0 8px; font-size: 16.5px; font-weight: 700; color: var(--ink);
  letter-spacing: -0.01em; line-height: 1.3; }
.check-card p { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); }

.limit-list { list-style: none; margin: 0 !important; padding: 0 !important; }
.limit-list li { position: relative; margin: 0 0 16px !important; padding: 2px 0 2px 20px;
  border-left: 3px solid var(--rda-red); }
.limit-list li:last-child { margin-bottom: 0 !important; }

.mb { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 34px;
  align-items: start; }
.mb-form { min-width: 0; }
.mb-form fieldset { margin: 0 0 22px; padding: 0; border: 0; min-width: 0; }
.mb-form legend { padding: 0; margin-bottom: 9px; font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.09em; text-transform: uppercase; color: var(--rda-red-dark); }
.mb-opts { display: flex; flex-wrap: wrap; gap: 6px; }
.mb-opt { position: relative; }
.mb-opt input { position: absolute; opacity: 0; width: 0; height: 0; }
.mb-opt span { display: inline-block; padding: 7px 12px; border: 1px solid var(--rule-blue);
  border-radius: var(--r-2); font-size: 13.5px; cursor: pointer; background: var(--bg);
  transition: background .14s, border-color .14s, color .14s; }
.mb-opt input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.mb-opt.mb-tog input:checked + span { background: var(--rda-red); border-color: var(--rda-red); }
.mb-opt input:focus-visible + span { outline: 2px solid var(--rda-red); outline-offset: 2px; }
.mb-row { display: flex; align-items: center; gap: 10px; margin-top: 9px; }
.mb-row label { font-size: 13.5px; color: var(--ink-muted); }
.mb-row input { font: inherit; font-size: 13.5px; padding: 6px 10px; min-width: 0;
  border: 1px solid var(--rule-field); border-radius: var(--r-2); background: var(--bg); color: var(--ink); }
.mb-row input[type="text"] { flex: 1; }
.mb-row input[type="number"] { width: 76px; }
.mb-out { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 16px; }
.mb-panel { background: var(--bg); border: 1px solid var(--rule); border-radius: var(--r-3);
  overflow: hidden; }
.mb-panel-h { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 11px 16px; border-bottom: 1px solid var(--rule); }
.mb-panel-h h2 { margin: 0; font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-muted); }
.mb-copy { font-family: "SF Mono", Menlo, monospace; font-size: 11px; padding: 4px 9px;
  cursor: pointer; border: 1px solid var(--rule-blue); border-radius: var(--r-1);
  background: none; color: var(--ink-muted); }
.mb-copy:hover { color: var(--ink); border-color: var(--ink); }
.mb-copy.is-done { background: var(--rda-red); border-color: var(--rda-red); color: #fff; }
.mb pre { margin: 0; padding: 16px; background: var(--rda-navy); color: #cfe0f5;
  overflow-x: auto; font-family: "SF Mono", Menlo, monospace; font-size: 12.5px; line-height: 1.62; }
.mb-k { color: #ff8fa8; } .mb-s { color: #9adcbd; } .mb-c { color: #7f97b3; font-style: italic; }
.mb-says { padding: 16px; }
.mb-says h3 { margin: 0 0 7px; font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-muted); }
.mb-says p { margin: 0; font-size: 15px; line-height: 1.55; color: var(--ink-soft); }
.mb-checks { list-style: none; margin: 13px 0 0; padding: 0; display: flex;
  flex-direction: column; gap: 9px; }
.mb-checks li { padding-left: 15px; border-left: 3px solid var(--rda-red); font-size: 14px;
  line-height: 1.5; color: var(--ink-soft); }
.mb-checks a { color: var(--rda-red); font-weight: 600; }
.mb-warn { margin: 0 16px 16px; padding: 12px 14px; border-radius: var(--r-2);
  background: var(--bg-blue); font-size: 14px; line-height: 1.5; color: var(--ink-soft); }
.mb-warn strong { color: var(--ink); }
.mb-warn code { font-family: "SF Mono", Menlo, monospace; font-size: 12.5px; }
@media (max-width: 900px) {
  .mb { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .mb-out { position: static; }
}

.mc { max-width: 860px; margin: 0 auto; }
.mc-trail { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 22px; }
.mc-crumb { padding: 5px 11px; font: 500 13px/1 var(--font); color: var(--ink-soft);
  background: var(--bg); border: 1px solid var(--rule); border-radius: var(--r-pill); cursor: pointer; }
.mc-crumb:hover { color: var(--rda-red-dark); border-color: var(--rule-blue); }
.mc-sep { color: var(--ink-muted); font-size: 13px; }
.mc-restart { margin-left: auto; padding: 5px 11px; font: 500 13px/1 var(--font);
  color: var(--ink-muted); background: none; border: 0; cursor: pointer; }
.mc-restart:hover { color: var(--rda-red-dark); }
.mc-q h2, .mc-end h2 { margin: 6px 0 0; font-size: 30px; letter-spacing: -0.02em;
  line-height: 1.15; color: var(--ink); }
.mc-q h2:focus-visible, .mc-end h2:focus-visible { outline: 2px solid var(--rda-red);
  outline-offset: 6px; }
.mc-help { margin: 12px 0 0; font-size: 15.5px; line-height: 1.6; color: var(--ink-soft); }
.mc-opts { display: grid; gap: 10px; margin-top: 24px; }
.mc-opt { display: block; width: 100%; padding: 17px 20px; text-align: left;
  font: 500 16px/1.4 var(--font); color: var(--ink); background: var(--bg);
  border: 1px solid var(--rule); border-radius: var(--r-3); cursor: pointer;
  transition: border-color .15s, color .15s, transform .15s; }
.mc-opt:hover { border-color: var(--rda-red); color: var(--rda-red-dark); transform: translateX(3px); }

.mc-says { margin: 16px 0 0; font-size: 17px; line-height: 1.6; color: var(--ink-soft); }
.mc-note { margin: 14px 0 0; padding: 12px 16px; font-size: 14.5px; line-height: 1.55;
  color: var(--ink-soft); background: var(--bg-panel); border-left: 3px solid var(--rda-red);
  border-radius: 0 8px 8px 0; }
.mc-pkg { margin: 18px 0 0; font-size: 15px; color: var(--ink); }
.mc-pkg span { font-family: "SF Mono", Menlo, monospace; font-size: 11.5px;
  letter-spacing: .07em; text-transform: uppercase; color: var(--ink-muted); margin-right: 10px; }
.mc-code-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.mc-code { background: var(--ink); border-radius: var(--r-3); overflow: hidden; }
.mc-code-h { padding: 9px 16px; font-family: "SF Mono", Menlo, monospace; font-size: 11.5px;
  letter-spacing: .07em; text-transform: uppercase; color: rgba(255,255,255,.62);
  border-bottom: 1px solid rgba(255,255,255,.12); }
.mc-code pre { margin: 0; padding: 16px; overflow-x: auto;
  font-family: "SF Mono", Menlo, monospace; font-size: 13px; line-height: 1.7;
  color: #C9DDF5; white-space: pre; }
.mc-rnote { margin-top: 22px; padding: 12px 16px; font-size: 13.5px; line-height: 1.55;
  color: var(--ink-soft); background: var(--bg-panel); border-radius: 10px 10px 0 0; }
.mc-rnote span { font-family: "SF Mono", Menlo, monospace; font-size: 11.5px;
  letter-spacing: .07em; text-transform: uppercase; color: var(--ink-muted);
  margin-right: 10px; }
.mc-code--wide { margin-top: 0; border-radius: 0 0 12px 12px; }
.mc-k { color: #FF8FA8; }
.mc-c { color: rgba(255,255,255,.42); }
.mc-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 28px; }
.mc-cols h3 { margin: 0 0 12px; font-size: 15px; font-weight: 700; color: var(--ink); }
.mc-checks, .mc-links { margin: 0; padding: 0; list-style: none; }
.mc-checks li { position: relative; margin-bottom: 11px; padding-left: 18px;
  font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); }
.mc-checks li::before { content: ""; position: absolute; left: 0; top: 8px; width: 7px;
  height: 7px; border-radius: var(--r-round); background: var(--rda-red); }
.mc-links li { margin-bottom: 9px; font-size: 14.5px; line-height: 1.5; }
.mc-links a { color: var(--ink); text-decoration: none; font-weight: 500; }
.mc-links a:hover { color: var(--rda-red-dark); }
.mc-tail { margin: 28px 0 0; padding-top: 20px; border-top: 1px solid var(--rule);
  font-size: 14.5px; line-height: 1.6; color: var(--ink-soft); }
@media (max-width: 720px) {
  .mc-code-grid, .mc-cols { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .mc-q h2, .mc-end h2 { font-size: 25px; }
}

.tsum-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: 16px; }
.tsum { padding: 16px 18px 18px; background: var(--bg); border: 1px solid var(--rule);
  border-top: 4px solid var(--g); border-radius: 4px 4px 10px 10px; }
.tsum h3 { margin: 0 0 4px; font-size: 16px; font-weight: 700; letter-spacing: -0.01em;
  color: var(--ink); }
.tsum p { margin: 0 0 10px; font-size: 13.5px; line-height: 1.45; color: var(--ink-muted); }
.tsum-links { display: flex; flex-direction: column; gap: 5px; }
.tsum-links a { font-size: 14px; font-weight: 500; line-height: 1.35; color: var(--ink);
  text-decoration: none; }
.tsum-links a:hover { color: var(--rda-red-dark); }
.tsum-cta { margin: 22px 0 0; }

.tsd { padding: 26px 0 30px; border-top: 1px solid var(--rule); }
.tsd:first-child { border-top: 0; padding-top: 4px; }
.tsd-h { display: flex; align-items: baseline; gap: 14px; margin-bottom: 16px; }
.tsd-n { flex: 0 0 auto; font-family: "SF Mono", Menlo, monospace; font-size: 12px;
  font-weight: 700; letter-spacing: .08em; color: #fff; background: var(--rda-red);
  padding: 4px 10px; border-radius: var(--r-1); }
.tsd-h h2 { margin: 0; font-size: 21px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink); line-height: 1.25; }
.tsd-cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px;
  align-items: start; }
.tsd-prose h3 { margin: 0 0 5px; font-family: "SF Mono", Menlo, monospace; font-size: 11px;
  font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); }
.tsd-prose p { margin: 0 0 16px; font-size: 15px; line-height: 1.6; color: var(--ink-soft); }
.tsd-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.tsd-links a { font-size: 14.5px; font-weight: 500; color: var(--ink); text-decoration: none; }
.tsd-links a:hover { color: var(--rda-red-dark); }
.tsd-code { background: var(--ink); border-radius: var(--r-3); overflow: hidden; }
.tsd-code-h { padding: 9px 16px; font-family: "SF Mono", Menlo, monospace; font-size: 11px;
  letter-spacing: .07em; text-transform: uppercase; color: rgba(255,255,255,.62);
  border-top: 1px solid rgba(255,255,255,.12); }
.tsd-code-h:first-child { border-top: 0; }
.tsd-code pre { margin: 0; padding: 14px 16px 18px; overflow-x: auto;
  font-family: "SF Mono", Menlo, monospace; font-size: 12.5px; line-height: 1.75;
  color: #C9DDF5; white-space: pre; }
@media (max-width: 820px) { .tsd-cols { grid-template-columns: minmax(0, 1fr); gap: 16px; } }

.opentool { margin: 26px 0; padding: 18px 22px 20px; background: var(--bg-panel);
  border-left: 3px solid var(--rda-red); border-radius: 0 10px 10px 0; }
.opentool-k { font-family: "SF Mono", Menlo, monospace; font-size: 11px; font-weight: 700;
  letter-spacing: .09em; text-transform: uppercase; color: var(--ink-muted); }
.prose .opentool-a, .opentool-a { display: inline-block; margin: 6px 0 6px; font-size: 17px;
  font-weight: 700; letter-spacing: -0.01em; color: var(--rda-red-dark); text-decoration: none; }
.opentool-a:hover { text-decoration: underline; }
.opentool p { margin: 0 !important; font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); }

.km404 { margin: 0; }
.km404 svg { display: block; width: 100%; height: auto; max-width: 640px; }
.km-grid line { stroke: var(--rule); stroke-width: 1; stroke-dasharray: 3 4; }
.km-axis { stroke: var(--rule-blue); stroke-width: 1; }
.km-curve { fill: none; stroke: var(--rda-navy); stroke-width: 2.2; stroke-linejoin: round; }
.km-cens line { stroke: var(--rda-navy); stroke-width: 1.6; }
.km-you { stroke: var(--rda-red); stroke-width: 2.4; }
.km-dot { fill: var(--rda-red); }
.km-lead { stroke: var(--rda-red); stroke-width: 1; stroke-dasharray: 2 3; }
.km-youlab { font-family: "SF Mono", Menlo, monospace; font-size: 11.5px; font-weight: 700;
  fill: var(--rda-red-dark); letter-spacing: 0.05em; }
.km-youlab2 { font-family: "SF Mono", Menlo, monospace; font-size: 10.5px;
  fill: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }
.km-tick { font-family: "SF Mono", Menlo, monospace; font-size: 10.5px; fill: var(--muted); }
.km-ylabel { font-family: "SF Mono", Menlo, monospace; font-size: 10.5px; fill: var(--muted);
  letter-spacing: 0.06em; }
.km404 figcaption { margin-top: 12px; font-size: 14.5px; line-height: 1.55; color: var(--ink-soft);
  max-width: 62ch; }
@media (prefers-reduced-motion: no-preference) {
  .km-curve { stroke-dasharray: 1400; stroke-dashoffset: 1400;
    animation: km-draw 1.5s ease-out .15s forwards; }
  .km-you, .km-dot, .km-youlab, .km-youlab2, .km-lead { opacity: 0; animation: km-fade .5s ease-out 1.5s forwards; }
}
@keyframes km-draw { to { stroke-dashoffset: 0; } }
@keyframes km-fade { to { opacity: 1; } }

.tgroup { margin-bottom: 34px; }
.tgroup:last-child { margin-bottom: 0; }
.tgroup-h { display: flex; align-items: baseline; gap: 12px; padding-bottom: 10px;
  border-bottom: 2px solid var(--bg); margin-bottom: 18px; }
.tgroup--light .tgroup-h { border-bottom-color: var(--rule-blue); }
.tgroup-h h2 { margin: 0; font-size: 21px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink); }
.tgroup-h p { margin: 0; flex: 1; font-size: 14.5px; line-height: 1.4; color: var(--ink-muted); }
.tgroup-n { font-family: "SF Mono", Menlo, monospace; font-size: 12px; font-weight: 700;
  color: var(--ink-muted); }
.tgroup-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 16px; }

.tcard { display: flex; flex-direction: column; gap: 7px; padding: 0 0 20px;
  background: var(--bg); color: var(--fg); border: 1px solid var(--ru);
  border-radius: var(--r-3); text-decoration: none; overflow: hidden;
  transition: transform .15s, box-shadow .15s; }
.tcard:hover { transform: translateY(-2px); box-shadow: var(--elev-raised); }

.tcard-cover { display: block; width: calc(100% - 20px); height: auto; margin: 10px 10px 8px;
  aspect-ratio: 1200 / 630; object-fit: cover; border-radius: var(--r-2);
  background: var(--pa); box-shadow: 0 0 0 1px var(--ru); }
.tcard > :not(.tcard-cover) { margin-left: 22px; margin-right: 22px; }
.tcard-kick { font-family: "SF Mono", Menlo, monospace; font-size: 11px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: var(--kk); }
.tcard-t { margin: 0; font-size: 18px; font-weight: 700; line-height: 1.25;
  letter-spacing: -0.015em; color: var(--fg); }
.tcard-d { margin: 0; flex: 1; font-size: 14.5px; line-height: 1.55; color: var(--mu); }
.tcard-go { margin-top: 4px; font-size: 13px; font-weight: 700; color: var(--kk); }
.tcard--go-fg .tcard-go { color: var(--fg); }
@media (max-width: 640px) {
  .tgroup-h { flex-wrap: wrap; gap: 4px 10px; }
  .tgroup-h p { flex: 1 0 100%; }
  .tgroup-n { display: none; }
}

.page-header-meta { margin-top: 20px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.res-chip { display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ink-muted); background: var(--bg-panel);
  border: 1px solid var(--rule); border-radius: var(--r-pill); padding: 5px 12px; }

.res-layout--toc { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 48px; align-items: start; }
.res-toc { position: sticky; top: 96px; font-size: 14px; }
.res-toc-title { font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--rda-red-dark); margin-bottom: 12px; }
.res-toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--rule); }
.res-toc li { margin: 0; }
.res-toc a { display: block; padding: 7px 0 7px 14px; margin-left: -2px;
  border-left: 2px solid transparent; color: var(--ink-muted); text-decoration: none;
  line-height: 1.35; transition: color 0.15s, border-color 0.15s; }
.res-toc a:hover { color: var(--ink); border-left-color: var(--rda-red); }
.res-h { scroll-margin-top: 96px; font-size: 22px; font-weight: 700;
  color: var(--ink); margin: 40px 0 12px; letter-spacing: -0.01em; }

.code-showcase--res { margin: 0 0 26px; }
.code-showcase--res .code-block { margin: 0; border-radius: 0 0 10px 10px; }
@media (max-width: 900px) {

  .res-layout--toc { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .res-toc { position: static; }
  .res-toc ol { display: flex; flex-wrap: wrap; gap: 2px 16px; border-left: 0; }
  .res-toc a { padding: 4px 0; border-left: 0; }
}

.rel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 14px; }
.rel-card { display: flex; flex-direction: column; gap: 7px; padding: 18px 20px 20px;
  border: 1px solid var(--rule); border-radius: var(--r-3); background: var(--bg);
  text-decoration: none; transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s; }
.rel-card:hover { border-color: var(--rule-blue); transform: translateY(-2px);
  box-shadow: var(--elev-raised); }
.rel-card-kind { font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--rda-red-dark); }
.rel-card-title { font-size: 16px; font-weight: 600; line-height: 1.35; color: var(--ink);
  letter-spacing: -0.005em; }

.section--primer { background: var(--bg-panel); }
.section--primer .news-body { background: var(--bg); border: 1px solid var(--rule);
  border-radius: var(--r-3); padding: 40px 44px 30px; }
@media (max-width: 720px) { .section--primer .news-body { padding: 26px 22px 18px; } }

.res-figure { margin: 30px 0 34px; }
.res-figure svg { width: 100%; height: auto; display: block; }
.res-figure figcaption { margin-top: 14px; font-size: 14.5px; line-height: 1.55;
  color: var(--ink-muted); max-width: 660px; margin-left: auto; margin-right: auto;
  text-align: center; }
.res-chip--code { font-family: "SF Mono", Menlo, monospace; text-transform: none;
  letter-spacing: 0; color: var(--ink); background: var(--bg-blue); border-color: transparent; }
.btn-secondary { display: inline-block; background: transparent; color: var(--ink);
  border: 1px solid var(--rule-blue); padding: 10px 21px; font-family: var(--font-sans);
  font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.01em;
  text-decoration: none; border-radius: var(--r-1); transition: border-color 0.15s, color 0.15s; }
.btn-secondary:hover { border-color: var(--rda-red-dark); color: var(--rda-red-dark); }
.year-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 32px; }
.year-nav a { font-family: "SF Mono", Menlo, monospace; font-size: 13px; font-weight: 600;
  color: var(--ink-soft); text-decoration: none; padding: 5px 12px;
  border: 1px solid var(--rule-blue); border-radius: var(--r-pill);
  transition: color 0.15s, background 0.15s, border-color 0.15s; }
.year-nav a:hover { color: #fff; background: var(--rda-navy); border-color: var(--rda-navy); }

.about-block { display: grid; grid-template-columns: 1.18fr 0.82fr;
  border: 1px solid var(--rule); border-radius: var(--r-4); overflow: hidden; background: var(--bg); }
@media (max-width: 860px) { .about-block { grid-template-columns: 1fr; } }
.about-block-media { position: relative; margin: 0; }
.about-block-media img { display: block; width: 100%; height: 100%; min-height: 100%;
  object-fit: cover; object-position: center; }
@media (max-width: 860px) { .about-block-media img { height: 280px; } }
.about-block-media figcaption { position: absolute; bottom: 0; left: 0; right: 0;
  padding: 24px 16px 9px; font-size: 11px; color: rgba(255,255,255,0.9); text-align: right;
  background: linear-gradient(to top, rgba(0,0,0,0.55), transparent); }
.about-block-body { padding: 42px 46px; }
@media (max-width: 540px) { .about-block-body { padding: 30px 26px; } }
.about-block-body .about-lede { font-size: 23px; line-height: 1.42; font-weight: 500;
  color: var(--ink); margin: 0 0 18px; letter-spacing: -0.015em; }
.about-block-body .about-detail-p { font-size: 16px; line-height: 1.65; color: var(--ink-soft); margin: 0 0 30px; }
.about-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px 30px;
  border-top: 1px solid var(--rule); padding-top: 26px; }
.about-facts > div { display: flex; flex-direction: column; }
.about-facts .fact-num { font-size: 32px; font-weight: 700; color: var(--ink);
  line-height: 1; letter-spacing: -0.02em; }
.about-facts .fact-label { font-size: 13px; color: var(--ink-muted); margin-top: 7px; line-height: 1.35; }
.about-facts .fact-num .accent { color: var(--rda-red); }
.openings-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--rule);
  border-radius: var(--r-3); overflow: hidden; max-width: 780px; }
.openings-list li { display: flex; justify-content: space-between; align-items: baseline; gap: 18px;
  padding: 14px 22px; border-top: 1px solid var(--rule); }
.openings-list li:first-child { border-top: none; }
.openings-list .opening-role { font-weight: 600; color: var(--ink); }
.openings-list .opening-date { font-size: 12px; color: var(--ink-muted); white-space: nowrap;
  text-transform: uppercase; letter-spacing: 0.04em; }
.intro-box { border: 1px solid var(--rule); border-radius: var(--r-4); background: var(--bg);
  padding: 42px 46px; max-width: 1000px; }
@media (max-width: 540px) { .intro-box { padding: 30px 26px; } }
.intro-box .about-lede { font-size: 23px; line-height: 1.42; font-weight: 500; color: var(--ink); margin: 0 0 18px; }
.intro-box .about-detail-p { font-size: 16px; line-height: 1.65; color: var(--ink-soft); margin: 0 0 30px; }
.intro-box .intro-facts { grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr)); }

.phd { color: var(--ink-muted); font-weight: 500; }
.profile-header h1 .phd { font-size: 0.5em; font-weight: 600; letter-spacing: 0; }

.rs-table { border: 1px solid var(--rule); border-radius: var(--r-3); overflow: hidden; max-width: 820px; }
.rs-row { display: grid; grid-template-columns: 2.2fr 1fr 1fr; gap: 16px; padding: 15px 24px;
  border-top: 1px solid var(--rule); font-size: 15px; align-items: center; }
.rs-row:first-child { border-top: none; }
.rs-head { background: var(--bg-panel); font-weight: 700; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-muted); }
.rs-row span:first-child { color: var(--ink); font-weight: 600; }
.rs-row a { color: var(--rda-red-dark); font-weight: 600; text-decoration: none; }
.rs-row a:hover { text-decoration: underline; }

.code-block { background: var(--rda-navy); color: #e8edf5; border-radius: var(--r-3);
  padding: 20px 24px; overflow-x: auto; font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 15px; line-height: 1.6; margin: 0 0 18px; }
.code-block code { font-family: inherit; white-space: pre; background: none; padding: 0; border-radius: 0; color: #a3c8f0; }

math { font-size: 1.02em; }
.math-display { margin: 16px 0; overflow-x: auto; text-align: center; }
.math-display math { font-size: 1.22em; }
.news-body p math { line-height: 1.2; }

.code-block code span { color: inherit; background: none; }
.code-sub { font-size: 16px; font-weight: 700; color: var(--ink); margin: 28px 0 12px; }
.install-links { font-size: 15px; margin: 4px 0 0; }
.install-links a { color: var(--rda-red-dark); font-weight: 600; text-decoration: none; margin-right: 18px; }
.install-links a:hover { text-decoration: underline; }
.install-note { font-size: 14px; color: var(--ink-muted); margin: 14px 0 0; max-width: 640px; }
.install-note a { color: var(--rda-red-dark); font-weight: 600; text-decoration: none; }
.install-note a:hover { text-decoration: underline; }

.sw-block-media { display: flex; align-items: center; justify-content: center;
  padding: 36px 40px; background: var(--rda-blue-soft); border-left: 1px solid var(--rule); }
@media (max-width: 860px) { .sw-block-media { border-left: none; border-top: 1px solid var(--rule); } }
@media (max-width: 540px) { .sw-block-media { padding: 28px 24px; } }
.sw-diagram { display: flex; flex-direction: column; gap: 20px; width: 100%; max-width: 360px; }
.sw-diagram-label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--rda-red-dark); text-align: center; margin-bottom: 2px; }
.sw-diagram-foot { font-size: 13px; line-height: 1.5; color: var(--ink-muted); text-align: center;
  margin: 4px 0 0; }
.sw-box .sw-lang { font-size: 10px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); margin-top: 3px; }
a.sw-box { text-decoration: none; transition: border-color .15s, box-shadow .15s, transform .15s; }
a.sw-box:hover { border-color: var(--rda-red-dark); box-shadow: var(--elev-raised);
  transform: translateY(-2px); }
.sw-tier { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sw-box { border: 1px solid var(--rule); border-radius: var(--r-3); padding: 17px 18px; background: var(--bg);
  display: flex; flex-direction: column; gap: 3px; }
.sw-box .sw-name { font-weight: 700; color: var(--ink); font-size: 16px; letter-spacing: -0.01em; }
.sw-box .sw-role { font-size: 12.5px; color: var(--ink-muted); }
.sw-engine { position: relative; border-color: var(--rule-blue); box-shadow: var(--elev-rest); }
.sw-engine::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
  background: var(--rda-red); border-radius: 11px 11px 0 0; }
.sw-engine .sw-name { font-size: 18px; }
.sw-aside { background: var(--bg-panel); }
.sw-conn { text-align: center; font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted); }

.team-member .team-photo { width: 100%; max-width: 250px; margin: 0 auto 18px;
  aspect-ratio: 1 / 1; border-radius: var(--r-3); overflow: hidden;
  background: var(--rda-blue-soft); }
.team-member .team-photo img { width: 100%; height: 100%;
  object-fit: cover; object-position: top center; display: block; }

.team-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .team-row.cols-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .team-row.cols-3 { grid-template-columns: 1fr; } }

a.team-member { display: block; text-decoration: none; color: inherit; text-align: center;
  background: var(--bg); border: 1px solid var(--rule); border-radius: var(--r-3);
  padding: 24px 24px 26px; position: relative; overflow: hidden;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s; }
a.team-member::before { content: ""; position: absolute; top: 0; left: 0;
  width: 100%; height: 5px; background: var(--rda-red);
  transform: scaleX(0); transform-origin: left; transition: transform 0.25s; z-index: 2; }
a.team-member:hover { border-color: var(--rule-blue);
  box-shadow: var(--elev-raised); transform: translateY(-2px); }
a.team-member:hover::before { transform: scaleX(1); }
.team-member .team-count { display: block; margin-top: 7px; font-size: 13px;
  font-weight: 500; color: var(--muted); }
.team-member .team-view { display: inline-block; margin-top: 8px; font-size: 13px;
  font-weight: 600; color: var(--rda-red-dark); opacity: 0.85; transition: opacity 0.15s; }
a.team-member:hover .team-view { opacity: 1; }

a.team-member--rwe { display: flex; flex-direction: column; }
.team-member--rwe .team-bio { font-size: 13px; line-height: 1.55; color: var(--ink-soft); margin: 11px 0 4px; }
.team-member--rwe .team-view { margin-top: auto; padding-top: 12px; }

#publications { scroll-margin-top: calc(var(--nav-h) + 24px); }
.profile-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.profile-tags .tag-pill { font-size: 12px; font-weight: 600; color: var(--ink-soft);
  background: var(--rda-blue-soft); padding: 5px 11px; border-radius: var(--r-pill); line-height: 1.2; }

.profile-header { padding: 44px 0 48px; }
.profile-hero { display: flex; gap: 40px; align-items: center; margin-top: 26px; }
@media (max-width: 620px) { .profile-hero { flex-direction: column; align-items: flex-start; gap: 24px; } }
.profile-hero-photo { flex: 0 0 auto; }
.profile-hero-photo img { width: 200px; height: 244px; object-fit: cover; object-position: top center;
  border-radius: var(--r-4); box-shadow: 0 12px 30px rgba(21,45,73,0.16); display: block; }
@media (max-width: 620px) { .profile-hero-photo img { width: 168px; height: 206px; } }
.profile-hero-info { min-width: 0; }
.profile-header h1 { font-size: 46px; line-height: 1.05; }
.profile-header h1 .rda-prefix { display: inline; font-size: 46px; margin: 0; }
.profile-header h1 .page-word { display: inline; }
.profile-header .deck { font-size: 18px; margin: 12px 0 0; max-width: 640px; }
.profile-hero-info .profile-tags { margin: 18px 0 0; }
.profile-links { display: flex; flex-wrap: wrap; gap: 18px; margin: 18px 0 0; }
.profile-links a { font-weight: 600; color: var(--rda-red-dark); text-decoration: none; font-size: 15px; }
.profile-links a:hover { text-decoration: underline; }
.profile-actions { margin-top: 22px; }

.profile-body-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 820px) { .profile-body-grid { grid-template-columns: 1fr; gap: 36px; } }
.profile-bio.prose p { max-width: 640px; }
.profile-edu { background: var(--bg-panel); border: 1px solid var(--rule); border-radius: var(--r-4);
  padding: 28px 30px; position: sticky; top: calc(var(--nav-h) + 24px); }
@media (max-width: 820px) { .profile-edu { position: static; } }
.profile-edu .eyebrow { margin: 0 0 20px; }
.edu-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 20px; }
.edu-list li { display: flex; gap: 14px; }
.edu-year { font-family: "SF Mono", Menlo, monospace; font-size: 12px; font-weight: 700;
  color: var(--rda-red-dark); padding-top: 3px; flex: 0 0 38px; }
.edu-detail { min-width: 0; }
.edu-degree { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.edu-place { font-size: 14px; color: var(--muted); margin-top: 3px; line-height: 1.4; }

.news-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 720px) { .news-card-grid { grid-template-columns: 1fr; } }
a.news-card { display: flex; flex-direction: column; text-decoration: none; color: inherit;
  background: var(--bg); border: 1px solid var(--rule); border-radius: var(--r-3);
  padding: 26px 28px 24px; position: relative; overflow: hidden;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s; }
a.news-card::before { content: ""; position: absolute; top: 0; left: 0;
  width: 5px; height: 100%; background: var(--rda-red);
  transform: scaleY(0); transform-origin: top; transition: transform 0.25s; }
a.news-card:hover { border-color: var(--rule-blue);
  box-shadow: var(--elev-raised); transform: translateY(-2px); }
a.news-card:hover::before { transform: scaleY(1); }
.news-card-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.news-card-date { font-family: "SF Mono", Menlo, monospace; font-size: 12px; font-weight: 700;
  color: var(--rda-red-dark); letter-spacing: 0.01em; }
.news-card-kicker { font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--ink-soft); background: var(--rda-blue-soft);
  padding: 3px 9px; border-radius: var(--r-pill); }
.news-card-badge { font-size: 10.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.07em; padding: 3px 10px; border-radius: var(--r-pill);
  border: 1px solid transparent; line-height: 1.4; white-space: nowrap; }
.news-card-badge--publication { color: #152D49; background: var(--rda-blue-soft);
  border-color: rgba(21, 45, 73, 0.14); }
.news-card-badge--course { color: #0a5c4a; background: rgba(10, 92, 74, 0.09);
  border-color: rgba(10, 92, 74, 0.18); }
.news-card-badge--event { color: #7a4400; background: rgba(122, 68, 0, 0.09);
  border-color: rgba(122, 68, 0, 0.18); }
.news-card-badge--talk { color: #4a2c7a; background: rgba(74, 44, 122, 0.09);
  border-color: rgba(74, 44, 122, 0.18); }
.news-card-badge--release { color: #FA0036; background: rgba(250, 0, 54, 0.08);
  border-color: rgba(250, 0, 54, 0.20); }
.news-card-title { font-size: 18px; font-weight: 700; line-height: 1.32; color: var(--ink);
  letter-spacing: -0.01em; margin: 0 0 10px; }
.news-card-summary { font-size: 14.5px; line-height: 1.58; color: var(--ink-soft); margin: 0 0 18px; }
.news-card-link { margin-top: auto; font-size: 13px; font-weight: 600; color: var(--rda-red-dark); }

a.news-card--cover { padding: 0; }
.news-card--cover .rc-cover { display: block; width: 100%; height: auto; aspect-ratio: 1200 / 630;
  object-fit: cover; border-bottom: 1px solid var(--rule); }
.news-card--cover .news-card-body { padding: 26px 28px 24px; display: flex;
  flex-direction: column; flex: 1; }

.prose .sw-tools, .prose .course-tool { border-left: 3px solid var(--rda-red);
  padding-left: 14px; margin-top: 20px; }

.tools-strip, .news-strip { display: flex; gap: 22px; margin: 14px 0 0; padding: 8px 2px 24px;
  overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent); }
.tools-strip::-webkit-scrollbar, .news-strip::-webkit-scrollbar { display: none; }
.tools-strip-card, .news-strip-card { flex: 0 0 clamp(300px, 33vw, 420px); text-decoration: none;
  border: 1px solid var(--rule); border-radius: var(--r-3); overflow: hidden; background: var(--bg);
  box-shadow: var(--elev-rest); transition: box-shadow 0.18s, transform 0.18s; }
.tools-strip-card:hover, .news-strip-card:hover { box-shadow: var(--elev-raised); transform: translateY(-2px); }
.tools-strip-card img, .news-strip-card img { display: block; width: 100%; height: auto; border-bottom: 1px solid var(--rule); }
.tools-strip-name, .news-strip-name { display: block; padding: 13px 18px 15px; font-size: 15.5px; font-weight: 600;
  color: var(--ink); letter-spacing: -0.01em; line-height: 1.3; }

.news-strip-date, .tools-strip-group { display: block; font-family: "SF Mono", Menlo, monospace; font-size: 12px;
  font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ink-muted); margin-bottom: 5px; }
.tools-feature-cta { margin-top: 22px; }

.page-header.news-article h1 { font-size: 34px; line-height: 1.22; }
.page-header.news-article h1 .rda-prefix { display: none; }
.page-header.news-article h1 .page-word { display: inline; font-size: 34px; color: var(--ink); letter-spacing: -0.01em; }
.news-body { max-width: none; }
.news-body p { font-size: 17px; line-height: 1.7; color: var(--ink-soft); margin: 0 0 20px; }

.news-body--wide p, .news-body--wide p.lede, .news-body--wide .res-h, .news-body--wide ul, .news-body--wide ol, .news-body--wide li { max-width: none; }
.news-body p:last-child { margin-bottom: 0; }
.video-embed { position: relative; padding-bottom: 56.25%; height: 0; margin: 0 0 26px;
  border: 1px solid var(--rule); border-radius: var(--r-3); overflow: hidden; background: #000; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.video-facade { background: var(--bg-dark); cursor: pointer; }
.video-facade::after { content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 45%, rgba(255,255,255,.07), transparent 60%); }
.video-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 78px; height: 78px; border-radius: var(--r-round); border: 2px solid rgba(255,255,255,.55);
  background: rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center;
  cursor: pointer; padding: 0; z-index: 1; transition: background .18s ease, border-color .18s ease; }
.video-facade:hover .video-play, .video-play:focus-visible { background: rgba(255,255,255,.26);
  border-color: #fff; }
.video-play-tri { display: block; margin-left: 6px; border-left: 22px solid #fff;
  border-top: 13px solid transparent; border-bottom: 13px solid transparent; }
.video-note { position: absolute; left: 0; right: 0; bottom: 12px; z-index: 1; text-align: center;
  font-size: 12px; letter-spacing: .01em; color: rgba(255,255,255,.66); }
@media (prefers-reduced-motion: reduce) { .video-play { transition: none; } }
.news-body .res-h { font-size: 22px; color: var(--ink); margin: 34px 0 14px; line-height: 1.3; }
.news-body .res-list { margin: 0 0 22px; padding-left: 22px; }
.news-body .res-list li { font-size: 17px; line-height: 1.7; color: var(--ink-soft); margin: 0 0 8px; }
.news-brief { display: grid; grid-template-columns: 1fr minmax(260px, 380px); gap: 30px; align-items: stretch; }
@media (max-width: 720px) { .news-brief { grid-template-columns: 1fr; gap: 24px; } }
.news-brief-facts { min-width: 0; display: flex; }
.news-brief-facts .course-facts { width: 100%; }
.news-brief .course-facts { grid-template-columns: 1fr; }
.news-brief .course-fact { border-left: none; border-top: 1px solid var(--rule); }
.news-brief .course-fact:first-child { border-top: none; }
.pub-cover { position: relative; margin: 0; background: #fff; border: 1px solid var(--rule);
  border-radius: var(--r-3); overflow: hidden; padding: 32px 26px 22px;
  display: flex; flex-direction: column;
  box-shadow: 0 16px 36px -24px rgba(21, 45, 73, 0.4); }
.pub-cover-accent { position: absolute; top: 0; left: 0; right: 0; height: 5px; background: var(--rda-red); }
.pub-cover-eyebrow { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--rda-red-dark); font-weight: 700; margin-bottom: 14px; }
.pub-cover-journal { font-size: 22px; line-height: 1.24; font-weight: 700; color: var(--ink);
  letter-spacing: -0.01em; }
.pub-cover-rule { height: 1px; background: var(--rule); margin: 16px 0; }
.pub-cover-summary { font-size: 13.5px; line-height: 1.55; color: var(--ink-muted); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; }
.pub-cover-foot { display: flex; justify-content: space-between; gap: 10px; margin-top: auto;
  padding-top: 20px; font-size: 11px; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.news-herobanner-sect { padding-top: 0; }
.news-herobanner { margin: 0; border-radius: var(--r-3); overflow: hidden;
  box-shadow: 0 18px 44px -26px rgba(21, 45, 73, 0.5); }
.news-herobanner img { display: block; width: 100%; height: auto; }
.news-cardcover { margin: 0; align-self: start; border-radius: var(--r-3); overflow: hidden;
  box-shadow: 0 14px 36px -24px rgba(21, 45, 73, 0.45); }
.news-cardcover img { display: block; width: 100%; height: auto; }

.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.news-masthead { padding: 40px 0 0; }
.news-masthead .news-crumb { max-width: var(--max-content); margin: 0 auto 22px;
  padding: 0 var(--gutter); }
.news-masthead .news-crumb .eyebrow { margin: 0; }

.news-masthead .news-crumb .eyebrow a { color: inherit; text-underline-offset: 3px;
  text-decoration-thickness: 1px; }
.news-masthead .news-crumb .eyebrow a:hover { text-decoration-thickness: 2px; }
.news-masthead .news-lead { max-width: var(--max-content); margin: 0 auto;
  padding: 0 var(--gutter); border-radius: 0; overflow: visible; box-shadow: none; }
.news-masthead .news-lead img { border-radius: var(--r-4);
  box-shadow: 0 18px 44px -26px rgba(21, 45, 73, 0.5); }
.news-actionbar { max-width: var(--max-content); margin: 0 auto; padding: 22px var(--gutter) 0;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.news-actionbar .news-share { font-size: 13px; color: var(--ink-muted); display: flex;
  align-items: center; gap: 14px; }
.news-actionbar .news-share a { color: var(--ink-soft); text-decoration: none; font-weight: 600; }
.news-actionbar .news-share a:hover { color: var(--rda-red-dark); }
.news-actionbar .news-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.news-glance { font-size: 20px; line-height: 1.5; font-weight: 400; color: var(--ink-soft);
  max-width: 900px; margin: 0; }

a.news-card--feature { padding: 0; display: block; margin-bottom: 24px; }
a.news-card--feature .feat-img { display: block; width: 100%; height: auto; }
a.news-card--feature .feat-foot { display: flex; align-items: center; gap: 14px; padding: 16px 26px; }
a.news-card--feature .feat-foot .news-card-link { margin-left: auto; }

.news-card-badge--a { display: inline-flex; align-items: center; gap: 6px; }
.news-card-badge--a::before { content: ""; width: 6px; height: 6px; border-radius: var(--r-round);
  background: var(--tagdot, currentColor); }
.news-card-badge--a-publication { color: #2f5fb0; background: rgba(79,134,224,0.10);
  border-color: rgba(79,134,224,0.30); --tagdot: #4F86E0; }
.news-card-badge--a-event { color: #9a5e10; background: rgba(217,138,43,0.12);
  border-color: rgba(217,138,43,0.32); --tagdot: #D98A2B; }
.news-card-badge--a-seminar { color: #6a47b0; background: rgba(142,107,214,0.12);
  border-color: rgba(142,107,214,0.30); --tagdot: #8E6BD6; }
.news-card-badge--a-course { color: #157a5c; background: rgba(30,158,120,0.12);
  border-color: rgba(30,158,120,0.30); --tagdot: #1E9E78; }
.news-card-badge--a-announcement { color: #c0334b; background: rgba(250,0,54,0.08);
  border-color: rgba(250,0,54,0.24); --tagdot: #FA0036; }

.course-badge-row { margin: 0 0 18px; }
.course-full-title { font-size: 14px; color: var(--ink-soft); margin-top: 20px;
  padding-top: 16px; border-top: 1px solid var(--rule); }
.course-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  border: 1px solid var(--rule); border-radius: var(--r-3); overflow: hidden; background: var(--bg); }
@media (max-width: 720px) { .course-facts { grid-template-columns: 1fr; } }
.course-fact { display: flex; flex-direction: column; gap: 6px; padding: 20px 24px;
  border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.course-fact:nth-child(-n+2) { border-top: none; }
.course-fact:nth-child(odd) { border-left: none; }
@media (max-width: 720px) {
  .course-fact { border-left: none; }
  .course-fact:first-child { border-top: none; }
  .course-fact:nth-child(2) { border-top: 1px solid var(--rule); }
}
.course-fact-label { font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--rda-red-dark); }
.course-fact-value { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.45; }

.oss-indexlink { margin: 26px 0 0; font-size: 15px; font-weight: 600; }
.oss-indexlink a { color: var(--rda-red-dark); text-decoration: none; }
.oss-indexlink a:hover { text-decoration: underline; }

.oss-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(330px, 100%), 1fr)); gap: 18px; }
.oss-card { display: flex; flex-direction: column; gap: 11px; border: 1px solid var(--rule);
  border-radius: var(--r-3); background: var(--bg); padding: 24px 26px; }
.oss-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.oss-card-top .pkg-name { font-size: 17px; }
.oss-badges { display: inline-flex; gap: 6px; flex-shrink: 0; }
.oss-card p { font-size: 14px; line-height: 1.55; color: var(--ink-soft); margin: 0; flex: 1 0 auto; }
.oss-card p code { font-size: 0.92em; }
.oss-links { display: flex; flex-wrap: wrap; gap: 8px 16px; padding-top: 4px;
  border-top: 1px solid var(--rule); margin-top: 2px; padding-top: 14px; }
.oss-link { font-size: 13px; font-weight: 600; color: var(--rda-red-dark); text-decoration: none; white-space: nowrap; }
.oss-link:hover { text-decoration: underline; }

.pub-filter:not([hidden]) { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin: 0 0 26px; }
.pub-filter input { flex: 1 1 320px; min-width: 0; font: inherit; font-size: 15px; padding: 11px 16px;
  border: 1px solid var(--rule-blue); border-radius: var(--r-3); background: var(--bg); color: var(--ink); }
.pub-filter input::placeholder { color: var(--muted); }
.pub-filter input:focus { border-color: var(--rda-red-dark); }
.pub-filter input:focus-visible { outline: var(--focus-ring);
  outline-offset: var(--focus-offset); }
.pub-filter-count { font-size: 13px; color: var(--ink-muted); white-space: nowrap; }

.pub-link.pub-code, .code-link, .oss-link--code { color: var(--code-blue); font-weight: 600; }
.pub-link.pub-code:hover, .code-link:hover, .oss-link--code:hover { color: var(--code-blue-dark); text-decoration: underline; }

.cite-all { font-size: 13.5px; color: var(--ink-muted); margin: 0 0 18px; }
.pub-cite { margin-top: 6px; font-size: 13px; }
.pub-cite summary { cursor: pointer; color: var(--ink-muted); font-weight: 600;
  width: max-content; }
.pub-cite summary:hover { color: var(--rda-red); }
.pub-cite[open] summary { margin-bottom: 8px; }
.cite-fmt { position: relative; margin: 0 0 10px; }
.cite-fmt pre { background: var(--rda-blue-soft); border: 1px solid var(--rule-blue); border-radius: var(--r-2);
  padding: 12px 14px; overflow-x: auto; font-size: 12px; line-height: 1.5;
  margin: 0; white-space: pre; }
.cite-copy { display: none; }
.cite-js .cite-copy { display: inline-block; position: absolute; top: 8px; right: 8px;
  font: 600 11.5px/1 inherit; font-family: inherit; padding: 5px 9px;
  border: 1px solid var(--rule-field); border-radius: var(--r-2); background: #fff;
  color: var(--ink); cursor: pointer; }
.cite-js .cite-copy:hover { border-color: var(--rda-red); color: var(--rda-red); }
.cite-more { font-size: 13px; color: var(--ink-muted); margin: 6px 0 0; }