body.steady-home.ui-classic {
  --classic-ink: #172033;
  --classic-muted: #526075;
  --classic-line: #dce5ee;
  --classic-panel: #ffffff;
  --classic-soft: #eef3f8;

  /* Override every homepage design token at the theme boundary. */
  --home-bg: #f8fafc;
  --home-bg-soft: #eef3f8;
  --home-panel: #ffffff;
  --home-panel-strong: #f7fafc;
  --home-line: #dce5ee;
  --home-line-strong: #b9c8d9;
  --home-text: #172033;
  --home-muted: #526075;
  --home-dim: #64748b;
  --home-violet: #315ca5;
  --home-blue: #2f6da8;
  --home-cyan: #167c65;
  --home-orange: #9a5a12;
  --home-danger: #b42338;
  --home-shadow: 0 22px 64px rgba(15, 23, 42, .1);

  margin: 0;
  color: var(--classic-ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(49, 92, 165, .08), transparent 34rem),
    linear-gradient(180deg, #f8fafc 0%, #eef3f8 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.ui-classic .home-nav {
  position: sticky;
  top: 0;
  left: auto;
  width: 100%;
  transform: none;
  border: 0;
  border-bottom: 1px solid rgba(15, 23, 42, .08);
  border-radius: 0;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(18px);
}
.ui-classic .home-nav-inner {
  width: min(1220px, calc(100% - 32px));
  margin-inline: auto;
}
.ui-classic .home-brand { color: #172033; }
.ui-classic .home-brand-mark {
  color: #fff;
  background: linear-gradient(145deg, #172033, #2f4770);
  box-shadow: 0 8px 22px rgba(23, 32, 51, .16);
}
.ui-classic .home-nav-links a { color: #526075; }
.ui-classic .home-nav-links a:hover { color: #172033; background: #eef3f8; }
.ui-classic .home-menu-toggle span,
.ui-classic .home-menu-toggle span::before,
.ui-classic .home-menu-toggle span::after { background: #172033; }

.ui-classic .home-button {
  border-color: #cfd9e4;
  color: #26364d;
  background: rgba(255,255,255,.88);
  box-shadow: 0 8px 22px rgba(15,23,42,.06);
}
.ui-classic .home-button:hover { border-color: #9fb1c5; background: #fff; }
.ui-classic .home-button.is-primary {
  border-color: #172033;
  color: #fff;
  background: #172033;
  box-shadow: 0 12px 28px rgba(23,32,51,.18);
}

.ui-classic .home-hero {
  min-height: auto;
  padding: 122px 0 84px;
  background:
    radial-gradient(circle at 78% 28%, rgba(72,108,167,.12), transparent 28rem),
    linear-gradient(180deg, #f8fbff, #eef3f8);
}
.ui-classic .home-hero::before,
.ui-classic .home-hero::after,
body.steady-home.ui-classic::after { display: none; }
.ui-classic .home-hero h1 { color: #172033; font-size: clamp(3.2rem, 7vw, 6.4rem); }
.ui-classic .home-hero h1 span { color: #315ca5; -webkit-text-fill-color: currentColor; }
.ui-classic .home-eyebrow { color: #486ca7; }
.ui-classic .home-hero-lead,
.ui-classic .home-hero-meta { color: #526075; }
.ui-classic .home-hero-meta span { border-color: #d7e0ea; background: rgba(255,255,255,.72); }

.ui-classic .home-control {
  border-color: #cfd9e4;
  background: #fff;
  box-shadow: 0 26px 70px rgba(15,23,42,.12);
}
.ui-classic .home-control-window,
.ui-classic .home-chart-card,
.ui-classic .home-deploy-card,
.ui-classic .home-terminal-card {
  border-color: #dce5ee;
  background: #f8fafc;
}
.ui-classic .home-control-topbar,
.ui-classic .home-terminal-head { border-color: #dce5ee; background: #eef3f8; color: #526075; }
.ui-classic .home-control-title,
.ui-classic .home-card-head strong,
.ui-classic .home-metric-value { color: #172033; }
.ui-classic .home-control-live,
.ui-classic .home-terminal-state { color: #167c65; }
.ui-classic .home-metric-label,
.ui-classic .home-card-head span,
.ui-classic .home-deploy-caption { color: #64748b; }
.ui-classic .home-terminal-body code { color: #334155; }
.ui-classic .home-chart-grid line { stroke: rgba(15,23,42,.09); }

.ui-classic .home-trust-rail {
  border-color: #dce5ee;
  background: rgba(255,255,255,.72);
}
.ui-classic .home-marquee span { color: #64748b; }

.ui-classic .home-section,
.ui-classic .home-reliability-explorer { background: transparent; }
.ui-classic .home-section-kicker,
.ui-classic .home-card-kicker,
.ui-classic .reliability-explorer-kicker { color: #486ca7; }
.ui-classic .home-section-head h2,
.ui-classic .home-proof-copy h2,
.ui-classic .home-contact-copy h2,
.ui-classic .reliability-explorer-head h2,
.ui-classic .stack-explorer-head h2 { color: #172033; }
.ui-classic .home-section-head > p:last-child,
.ui-classic .home-proof-copy > p,
.ui-classic .home-contact-copy > p,
.ui-classic .reliability-explorer-head > p:last-child,
.ui-classic .stack-explorer-head > p:last-child { color: #526075; }

.ui-classic .home-bento-card,
.ui-classic .home-service-card,
.ui-classic .home-process-card,
.ui-classic .home-guide-card,
.ui-classic .home-proof-stat,
.ui-classic .home-contact-panel,
.ui-classic .reliability-risk-visual,
.ui-classic .reliability-risk-detail,
.ui-classic .stack-case-panel {
  border-color: #dce5ee;
  background: #fff;
  box-shadow: 0 18px 52px rgba(15,23,42,.08);
}
.ui-classic .home-bento-card h3,
.ui-classic .home-service-card h3,
.ui-classic .home-process-card h3,
.ui-classic .home-guide-card h3,
.ui-classic .home-proof-stat strong,
.ui-classic .reliability-risk-detail h3,
.ui-classic .stack-case-panel h3 { color: #172033; }
.ui-classic .home-bento-card p,
.ui-classic .home-service-card p,
.ui-classic .home-service-card li,
.ui-classic .home-process-card p,
.ui-classic .home-process-card li,
.ui-classic .home-guide-card p,
.ui-classic .home-proof-stat span,
.ui-classic .reliability-risk-detail > p,
.ui-classic .reliability-risk-column li,
.ui-classic .stack-case-panel p,
.ui-classic .stack-signal-list li { color: #526075; }

.ui-classic .home-release-step,
.ui-classic .home-node,
.ui-classic .home-mini-log,
.ui-classic .home-check-item,
.ui-classic .reliability-orbit-node,
.ui-classic .stack-tool-cloud span {
  border-color: #d7e0ea;
  color: #334155;
  background: #f7fafc;
}

.ui-classic .reliability-risk-tab,
.ui-classic .stack-case-tab {
  border-color: #d7e0ea;
  color: #526075;
  background: #fff;
}
.ui-classic .reliability-risk-tab.is-active,
.ui-classic .stack-case-tab.is-active {
  border-color: #315ca5;
  color: #fff;
  background: #315ca5;
}
.ui-classic .reliability-orbit-ring { border-color: rgba(49,92,165,.22); }
.ui-classic .reliability-orbit-core {
  border-color: #b9c8d9;
  color: #172033;
  background: #fff;
  box-shadow: 0 16px 40px rgba(49,92,165,.14);
}
.ui-classic .reliability-explorer-action {
  border-color: #172033;
  color: #fff;
  background: #172033;
}

.ui-classic .home-guide-visual::after { background: linear-gradient(to top, rgba(23,32,51,.82), transparent 62%); }
.ui-classic .home-guide-tag { background: rgba(255,255,255,.9); color: #334155; }
.ui-classic .home-text-link { color: #315ca5; }

.ui-classic .home-contact-panel .lead-form {
  border-color: #dce5ee;
  color: #172033;
  background: #f8fafc;
}
.ui-classic .home-contact-panel .lead-form label,
.ui-classic .home-contact-panel .lead-form summary { color: #172033; }
.ui-classic .home-contact-panel .lead-form input,
.ui-classic .home-contact-panel .lead-form textarea,
.ui-classic .home-contact-panel .lead-form select {
  border-color: #ccd7e3;
  color: #172033;
  background: #fff;
}
.ui-classic .home-contact-points { color: #425168; }

.ui-classic .home-footer {
  border-color: #dce5ee;
  color: #64748b;
  background: #fff;
}
.ui-classic .home-footer a { color: #526075; }

.ui-classic [data-reveal] { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .ui-classic .home-mobile-menu {
    border-color: #dce5ee;
    background: rgba(255,255,255,.97);
    box-shadow: 0 24px 70px rgba(15,23,42,.16);
  }
  .ui-classic .home-mobile-menu a { color: #425168; }
  .ui-classic .home-mobile-menu a:hover { color: #172033; background: #eef3f8; }
}

@media (max-width: 760px) {
  .ui-classic .home-nav-inner {
    width: min(100% - 20px, 1220px);
    gap: 10px;
    padding-inline: 0;
  }

  .ui-classic .home-brand { font-size: .98rem; }
  .ui-classic .home-nav-actions { gap: 6px; }
}

/* Main-derived light presentation polish. Dark/cinematic selectors are intentionally untouched. */
body.steady-home.ui-classic {
  --classic-ink: #0f172a;
  --classic-muted: #475569;
  --classic-line: rgba(37, 99, 235, .15);
  --classic-panel: rgba(255, 255, 255, .9);
  --classic-soft: #eef5ff;
  --home-bg: #f8fbff;
  --home-bg-soft: #eef5ff;
  --home-panel: rgba(255, 255, 255, .9);
  --home-panel-strong: #ffffff;
  --home-line: rgba(37, 99, 235, .14);
  --home-line-strong: rgba(37, 99, 235, .28);
  --home-text: #0f172a;
  --home-muted: #475569;
  --home-dim: #64748b;
  --home-violet: #2563eb;
  --home-blue: #0ea5e9;
  --home-cyan: #10b981;
  --home-shadow: 0 26px 74px rgba(37, 99, 235, .11);
  background:
    radial-gradient(circle at 10% 0%, rgba(37, 99, 235, .12), transparent 34rem),
    radial-gradient(circle at 92% 16%, rgba(16, 185, 129, .09), transparent 30rem),
    linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
}

.ui-classic .home-nav {
  border-bottom-color: rgba(37, 99, 235, .1);
  background: rgba(255, 255, 255, .84);
  box-shadow: 0 8px 32px rgba(37, 99, 235, .06);
}

.ui-classic .home-brand-mark,
.ui-classic .home-button.is-primary,
.ui-classic .reliability-explorer-action {
  border-color: #2563eb;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  box-shadow: 0 14px 34px rgba(37, 99, 235, .2);
}

.ui-classic .home-hero {
  background:
    radial-gradient(circle at 78% 24%, rgba(37, 99, 235, .15), transparent 30rem),
    radial-gradient(circle at 18% 82%, rgba(16, 185, 129, .08), transparent 26rem),
    linear-gradient(180deg, #f8fbff, #eef5ff);
}

.ui-classic .home-hero h1 span,
.ui-classic .home-text-link,
.ui-classic .home-eyebrow,
.ui-classic .home-section-kicker,
.ui-classic .home-card-kicker,
.ui-classic .reliability-explorer-kicker {
  color: #2563eb;
}

.ui-classic .home-control,
.ui-classic .home-bento-card,
.ui-classic .home-service-card,
.ui-classic .home-process-card,
.ui-classic .home-guide-card,
.ui-classic .home-proof-stat,
.ui-classic .home-contact-panel,
.ui-classic .stack-case-panel {
  border-color: rgba(37, 99, 235, .14);
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 24px 68px rgba(37, 99, 235, .09);
  backdrop-filter: blur(18px);
}

.ui-classic .home-reliability-explorer {
  padding: 92px 24px;
  border-color: rgba(37, 99, 235, .08);
  background:
    radial-gradient(circle at 15% 20%, rgba(41, 98, 255, .16), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(16, 185, 129, .14), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
}

.ui-classic .home-reliability-explorer::before {
  background-image:
    linear-gradient(rgba(37, 99, 235, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, .06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, #000, transparent 72%);
}

.ui-classic .home-reliability-explorer > .home-shell {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(320px, 420px) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.ui-classic .reliability-explorer-head {
  grid-column: 1;
  grid-row: 1;
  max-width: none;
  margin: 0;
  padding: 28px;
  border: 1px solid rgba(37, 99, 235, .16);
  border-radius: 26px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 26px 74px rgba(37, 99, 235, .12);
  backdrop-filter: blur(18px);
}

.ui-classic .reliability-explorer-head h2,
.ui-classic .stack-explorer-head h2 {
  color: #0f172a;
  font-size: clamp(1.65rem, 3vw, 2.55rem);
  line-height: 1.08;
  letter-spacing: -.04em;
}

.ui-classic .reliability-explorer-head > p:last-child,
.ui-classic .stack-explorer-head > p:last-child,
.ui-classic .reliability-risk-detail > p:not(.reliability-explorer-kicker),
.ui-classic .stack-case-copy > p:not(.reliability-explorer-kicker) {
  color: #475569;
  line-height: 1.7;
}

.ui-classic .reliability-map {
  display: contents;
}

.ui-classic .reliability-risk-tabs {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  z-index: 6;
  display: block;
  min-height: 420px;
  pointer-events: none;
}

.ui-classic .reliability-risk-tab {
  position: absolute;
  z-index: 7;
  width: 128px;
  min-height: 58px;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid rgba(37, 99, 235, .22);
  border-radius: 999px;
  color: #1e3a8a;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 14px 36px rgba(37, 99, 235, .16);
  pointer-events: auto;
  text-align: center;
  font-size: .82rem;
  font-weight: 900;
}

.ui-classic .reliability-risk-tab:nth-child(1) {
  top: 2%;
  left: 50%;
  margin-left: -64px;
}

.ui-classic .reliability-risk-tab:nth-child(2) {
  top: 50%;
  right: -14px;
  margin-top: -29px;
}

.ui-classic .reliability-risk-tab:nth-child(3) {
  bottom: 2%;
  left: 50%;
  margin-left: -64px;
}

.ui-classic .reliability-risk-tab:nth-child(4) {
  top: 50%;
  left: -14px;
  margin-top: -29px;
}

.ui-classic .reliability-risk-tab:hover,
.ui-classic .reliability-risk-tab:focus-visible,
.ui-classic .reliability-risk-tab.is-active {
  border-color: rgba(37, 99, 235, .92);
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  box-shadow: 0 16px 38px rgba(37, 99, 235, .25);
}

.ui-classic .reliability-risk-visual {
  grid-column: 2;
  grid-row: 1;
  width: min(420px, 100%);
  min-height: 0;
  aspect-ratio: 1;
  margin: 0 auto;
  overflow: visible;
  border: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, .14), rgba(255, 255, 255, .72) 48%, transparent 70%);
  box-shadow: none;
}

.ui-classic .reliability-risk-visual::before {
  inset: 7%;
  border-radius: 50%;
  background-image:
    linear-gradient(rgba(37, 99, 235, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, .045) 1px, transparent 1px);
  background-size: 34px 34px;
}

.ui-classic .reliability-orbit-ring {
  width: 80%;
  height: 80%;
  border-color: rgba(37, 99, 235, .24);
}

.ui-classic .reliability-orbit-ring.is-inner {
  width: 52%;
  height: 52%;
}

.ui-classic .reliability-orbit-core {
  width: 38%;
  height: 38%;
  min-width: 138px;
  min-height: 138px;
  border-color: rgba(37, 99, 235, .26);
  background: radial-gradient(circle, #ffffff, #dbeafe);
  box-shadow: 0 0 0 14px rgba(219, 234, 254, .54), 0 22px 58px rgba(37, 99, 235, .18);
}

.ui-classic .reliability-orbit-core strong {
  color: #0f172a;
  font-size: 1.05rem;
}

.ui-classic .reliability-orbit-core span {
  color: #1e40af;
  font-size: .76rem;
}

.ui-classic .reliability-orbit-node {
  display: none;
}

.ui-classic .reliability-risk-detail {
  grid-column: 3;
  grid-row: 1;
  padding: 28px;
  border: 1px solid rgba(37, 99, 235, .16);
  border-radius: 26px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 26px 74px rgba(37, 99, 235, .12);
  backdrop-filter: blur(18px);
}

.ui-classic .reliability-risk-detail h3,
.ui-classic .stack-case-copy h3 {
  color: #0f172a;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -.025em;
}

.ui-classic .reliability-risk-columns {
  gap: 16px;
  margin: 20px 0;
}

.ui-classic .reliability-risk-column {
  padding: 16px;
  border-color: rgba(37, 99, 235, .14);
  border-radius: 18px;
  background: rgba(255, 255, 255, .76);
}

.ui-classic .reliability-risk-column strong {
  color: #2563eb;
}

.ui-classic .reliability-risk-column li::before,
.ui-classic .stack-signal-list li::before {
  color: #2563eb;
}

.ui-classic .stack-explorer-dark {
  grid-column: 1 / -1;
  grid-row: 2;
  margin-top: 52px;
}

.ui-classic .stack-case-tab {
  border-color: rgba(37, 99, 235, .18);
  color: #1e3a8a;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 8px 22px rgba(37, 99, 235, .06);
}

.ui-classic .stack-case-tab:hover,
.ui-classic .stack-case-tab:focus-visible,
.ui-classic .stack-case-tab.is-active {
  border-color: #2563eb;
  color: #fff;
  background: #2563eb;
}

.ui-classic .stack-case-panel {
  border-color: rgba(37, 99, 235, .16);
  border-radius: 26px;
  background: rgba(255, 255, 255, .9);
}

.ui-classic .stack-tool-cloud {
  border-color: rgba(37, 99, 235, .14);
  background:
    radial-gradient(circle at 30% 30%, rgba(34, 197, 94, .12), transparent 34%),
    rgba(255, 255, 255, .76);
}

.ui-classic .stack-tool-cloud span {
  border-color: rgba(37, 99, 235, .16);
  color: #1e40af;
  background: #eef6ff;
  box-shadow: 0 7px 20px rgba(37, 99, 235, .07);
}

@media (max-width: 1080px) {
  .ui-classic .home-reliability-explorer > .home-shell {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .ui-classic .reliability-explorer-head {
    grid-column: 1 / -1;
    grid-row: 1;
    max-width: 760px;
  }

  .ui-classic .reliability-risk-tabs,
  .ui-classic .reliability-risk-visual {
    grid-column: 1;
    grid-row: 2;
  }

  .ui-classic .reliability-risk-detail {
    grid-column: 2;
    grid-row: 2;
  }

  .ui-classic .stack-explorer-dark {
    grid-row: 3;
  }
}

@media (max-width: 760px) {
  .ui-classic .home-reliability-explorer {
    padding: 56px 18px;
    overflow-x: clip;
  }

  .ui-classic .home-reliability-explorer > .home-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .ui-classic .reliability-explorer-head {
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    max-width: 100%;
    padding: 24px 18px;
    border-radius: 24px;
  }

  .ui-classic .reliability-explorer-head h2,
  .ui-classic .stack-explorer-head h2 {
    font-size: clamp(1.65rem, 8vw, 2.15rem);
    line-height: 1.12;
  }

  .ui-classic .reliability-risk-tabs {
    grid-column: 1;
    grid-row: 2;
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    min-height: 0;
    pointer-events: auto;
  }

  .ui-classic .reliability-risk-tab,
  .ui-classic .reliability-risk-tab:nth-child(n) {
    position: static;
    width: 100%;
    min-height: 54px;
    margin: 0;
    transform: none;
  }

  .ui-classic .reliability-risk-visual {
    display: none;
  }

  .ui-classic .reliability-risk-detail {
    grid-column: 1;
    grid-row: 3;
    width: 100%;
    max-width: 100%;
    padding: 24px 18px;
    border-radius: 24px;
  }

  .ui-classic .reliability-risk-columns,
  .ui-classic .stack-case-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .ui-classic .reliability-explorer-action {
    width: 100%;
  }

  .ui-classic .stack-explorer-dark {
    grid-column: 1;
    grid-row: 4;
    margin-top: 28px;
  }

  .ui-classic .stack-case-tabs {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .ui-classic .stack-case-tab {
    min-height: 48px;
    text-align: center;
  }
}