/* ============================================================================
   CascadiaAI — Site Design System
   Derived from Artifacts/2. Design/Website Design.md + CAS-1650 motion spec
   ============================================================================ */

:root {
  /* ---- Brand palette (cobalt / indigo / controlled violet / cyan) ---- */
  --cobalt: #2a6cff;
  --cobalt-600: #1f59d6;
  --cobalt-400: #5a8bff;
  --indigo: #0b1430;
  --indigo-700: #0f1a3a;
  --indigo-500: #15225a;
  --indigo-300: #2c3e7a;
  --violet: #6e5cff;
  --violet-soft: rgba(110, 92, 255, 0.18);
  --cyan: #34e2df;
  --cyan-soft: rgba(52, 226, 223, 0.16);

  /* ---- Surfaces & text ---- */
  --bg: #060a1a;
  --bg-1: #09152b;
  --bg-2: #0d1c40;
  --surface-1: rgba(18, 26, 56, 0.72);
  --surface-2: rgba(22, 32, 70, 0.78);
  --surface-elev: rgba(28, 40, 90, 0.92);
  --surface-line: rgba(255, 255, 255, 0.08);
  --surface-line-strong: rgba(255, 255, 255, 0.14);

  --text: #f3f6ff;
  --text-muted: rgba(243, 246, 255, 0.74);
  --text-faint: rgba(243, 246, 255, 0.5);
  --text-on-cobalt: #06091f;

  /* ---- Status ---- */
  --status-success: #34e2a3;
  --status-warning: #f5b14d;
  --status-danger: #ff6e6e;
  --status-info: var(--cyan);

  /* ---- Elevation ---- */
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 16px 44px rgba(0, 0, 0, 0.38);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.48);

  /* ---- Radii ---- */
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-xl: 36px;

  /* ---- Spacing ---- */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;

  /* ---- Type ---- */
  --font-display: "Space Grotesk", "Inter Tight", "Helvetica Neue", system-ui, sans-serif;
  --font-body: "Inter", "Helvetica Neue", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* ---- Layout ---- */
  --content-width: 1200px;
  --content-narrow: 880px;

  /* ---- Motion ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-emphasis: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 180ms;
  --t-base: 280ms;
  --t-slow: 520ms;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at 12% -10%, rgba(42, 108, 255, 0.16), transparent 32%),
    radial-gradient(circle at 92% 8%, rgba(52, 226, 223, 0.1), transparent 30%),
    radial-gradient(circle at 50% 110%, rgba(110, 92, 255, 0.12), transparent 40%),
    linear-gradient(180deg, #07112a 0%, #050a1d 60%, #03061a 100%);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-out);
}
a:hover { color: var(--cobalt-400); }

button { font: inherit; cursor: pointer; }

::selection { background: rgba(42, 108, 255, 0.45); color: var(--text); }

/* ---- Type scale ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.022em;
  margin: 0 0 var(--s-4);
  color: var(--text);
}
h1 { font-size: clamp(2.5rem, 4.4vw, 4.2rem); line-height: 1.04; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.8rem, 2.8vw, 2.6rem); line-height: 1.12; }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); line-height: 1.25; }
h4 { font-size: 1.1rem; line-height: 1.3; }
p { margin: 0 0 var(--s-4); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--s-3);
}

.lede {
  font-size: clamp(1.1rem, 1.4vw, 1.25rem);
  color: var(--text-muted);
  max-width: 60ch;
}

/* ---- Container ---- */
.container {
  width: min(var(--content-width), calc(100% - 32px));
  margin-inline: auto;
}
.container.narrow { width: min(var(--content-narrow), calc(100% - 32px)); }

/* ---- Top navigation ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: var(--s-4) 0;
  background: linear-gradient(180deg, rgba(6, 10, 26, 0.85) 0%, rgba(6, 10, 26, 0.4) 100%);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: opacity var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out);
}
.nav[data-nav-state="fading"] {
  opacity: 0;
  transform: translateY(-100%);
  pointer-events: none;
  border-bottom-color: var(--surface-line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--text);
  text-decoration: none;
}
.brand img {
  width: 34px;
  height: 32px;
  filter: drop-shadow(0 1px 0 rgba(0, 0, 0, 0.3));
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  font-size: 0.95rem;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 2px;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.is-active { color: var(--text); }
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  bottom: -6px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cobalt), var(--cyan));
  border-radius: 2px;
}
.nav-cta { display: flex; gap: var(--s-3); align-items: center; }
.nav-toggle { display: none; }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-1);
    padding: var(--s-5) var(--s-5);
    border-bottom: 1px solid var(--surface-line);
    gap: var(--s-4);
  }
  .nav-toggle {
    display: inline-flex;
    background: transparent;
    border: 1px solid var(--surface-line-strong);
    color: var(--text);
    border-radius: var(--radius-xs);
    padding: 6px 10px;
  }
  .nav-cta .btn-secondary { display: none; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform var(--t-fast) var(--ease-out),
              box-shadow var(--t-fast) var(--ease-out),
              background-color var(--t-fast) var(--ease-out);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cobalt) 0%, var(--violet) 100%);
  color: var(--text);
  box-shadow: 0 8px 24px rgba(42, 108, 255, 0.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(42, 108, 255, 0.45); color: var(--text); }
.btn-secondary {
  background: transparent;
  border-color: var(--surface-line-strong);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--cobalt-400); background: rgba(255,255,255,0.04); color: var(--text); }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 10px 14px;
}
.btn-ghost:hover { color: var(--text); }

:focus-visible {
  outline: 3px solid var(--cobalt);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---- Section primitives ---- */
section { padding: var(--s-9) 0; position: relative; }
section.tight { padding: var(--s-8) 0; }

.section-head { margin-bottom: var(--s-7); max-width: 720px; }

.grid { display: grid; gap: var(--s-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---- Cards & surfaces ---- */
.card {
  background: var(--surface-1);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-md);
  padding: var(--s-6);
  transition: transform var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.card:hover, .card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(90, 139, 255, 0.32);
  box-shadow: var(--shadow-md);
}

.card .icon-tile {
  width: 40px; height: 40px;
  border-radius: var(--radius-xs);
  background: var(--violet-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-4);
  color: var(--cobalt-400);
}

.card .meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--s-2);
}

/* ---- Pill / meta ---- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--surface-line);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.pill.success .dot { background: var(--status-success); }
.pill.warning .dot { background: var(--status-warning); }

/* ---- Status tokens (used in org chart, terminal) ---- */
.status-token {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  background: var(--surface-2);
  border: 1px solid var(--surface-line);
}
.status-token.lead { border-color: rgba(90, 139, 255, 0.45); color: var(--cobalt-400); }
.status-token.sched { border-color: rgba(52, 226, 223, 0.4); color: var(--cyan); }
.status-token.followup { border-color: rgba(245, 177, 77, 0.4); color: var(--status-warning); }

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: clamp(80px, 14vh, 160px) 0 var(--s-9);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--s-8);
  align-items: center;
}
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
}
.hero h1 { margin-bottom: var(--s-5); }
.hero .lede { font-size: clamp(1.1rem, 1.4vw, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin: var(--s-6) 0 var(--s-5); }
.proof-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin-top: var(--s-5);
}

/* ---- Rainier silhouette (decorative, behind hero) ---- */
.rainier {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.rainier svg {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(1400px, 140%);
  height: auto;
  opacity: 0.62;
}
.rainier::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 10, 26, 0.1) 60%, var(--bg) 100%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }

/* ---- Terminal CLI demo (Home page) ---- */
.terminal {
  background: var(--surface-2);
  border: 1px solid rgba(90, 139, 255, 0.32);
  border-radius: var(--radius-lg);
  padding: var(--s-5);
  box-shadow: var(--shadow-md);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  position: relative;
  overflow: hidden;
}
.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--s-4);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--surface-line);
}
.terminal-dots { display: flex; gap: 8px; }
.terminal-dots span {
  width: 11px; height: 11px; border-radius: 50%;
  background: rgba(255,255,255,0.18);
}
.terminal-dots span:nth-child(1) { background: #ff5f56; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #27c93f; }
.terminal-title { font-size: 0.78rem; color: var(--text-faint); }
.terminal-status {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(52, 226, 223, 0.14);
  color: var(--cyan);
}
.terminal-lines {
  list-style: none;
  padding: 0;
  margin: 0;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.terminal-enhanced .terminal-lines li {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 280ms var(--ease-out), transform 280ms var(--ease-out);
}
.terminal-lines li.is-typing { opacity: 1; transform: translateY(0); }
.terminal-lines li.is-done { opacity: 1; transform: translateY(0); }
.terminal-lines .prompt { color: var(--cyan); }
.terminal-lines .output { color: var(--text); }
.terminal-lines .comment { color: var(--text-faint); }
.terminal-lines .ok { color: var(--status-success); }
.terminal-lines .warn { color: var(--status-warning); }
.terminal-cursor {
  display: inline-block;
  width: 7px; height: 14px;
  background: var(--cyan);
  vertical-align: middle;
  margin-left: 2px;
  animation: cursorBlink 1.6s steps(2) infinite;
}
@keyframes cursorBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}
.terminal-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--s-4);
  padding-top: var(--s-3);
  border-top: 1px solid var(--surface-line);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.terminal-controls .actions { display: flex; gap: 6px; }
.terminal-controls button {
  background: var(--surface-elev);
  border: 1px solid var(--surface-line-strong);
  color: var(--text);
  border-radius: var(--radius-xs);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
}
.terminal-controls button:hover { border-color: var(--cobalt-400); }
.terminal-static-fallback { display: none; }
.js-ready .terminal-static-fallback { display: block; margin-top: var(--s-3); }
.js-ready .terminal-static-fallback summary {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-faint);
  cursor: pointer;
}
.js-ready .terminal-static-fallback pre {
  background: rgba(0,0,0,0.3);
  padding: var(--s-3);
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  color: var(--text-muted);
  overflow-x: auto;
}

/* ---- Org chart ---- */
.org-chart-figure {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--s-7);
  align-items: start;
  padding: var(--s-7);
  background: var(--surface-1);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-lg);
  position: relative;
}
@media (max-width: 880px) {
  .org-chart-figure { grid-template-columns: 1fr; }
}
.org-node {
  background: var(--surface-elev);
  border: 1px solid var(--surface-line-strong);
  border-radius: var(--radius-md);
  padding: var(--s-5);
  position: relative;
  transition: transform var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
}
.org-node:hover { transform: translateY(-3px); border-color: rgba(90, 139, 255, 0.4); }
.org-node.is-active { box-shadow: 0 0 0 2px var(--cobalt); }
.org-node .role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 4px;
}
.org-node h3 { margin: 0 0 6px; font-size: 1.1rem; }
.org-node p { font-size: 0.92rem; color: var(--text-muted); margin: 0; }
.org-node.orchestrator { grid-column: 1; }
.org-specialists {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
@media (max-width: 640px) {
  .org-specialists { grid-template-columns: 1fr; }
}
.org-connectors {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.org-chart-figure > * { position: relative; z-index: 1; }

/* ---- Stat strip ---- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
  padding: var(--s-7);
  background: var(--surface-1);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-lg);
}
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}
.stat .num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--cobalt-400), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat .label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--s-2);
}

/* ---- Bill anatomy (pricing) ---- */
.bill-stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
@media (max-width: 760px) { .bill-stack { grid-template-columns: 1fr; } }
.bill-row {
  padding: var(--s-5);
  background: var(--surface-1);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--cobalt);
}
.bill-row.runtime { border-top-color: var(--violet); }
.bill-row.usage { border-top-color: var(--cyan); }
.bill-row .tier {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.bill-row h4 { font-size: 1.05rem; margin-bottom: 8px; }

/* ---- Pricing cards ---- */
.plan {
  background: var(--surface-1);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-lg);
  padding: var(--s-7);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  position: relative;
}
.plan.featured {
  border-color: rgba(90, 139, 255, 0.5);
  background: var(--surface-elev);
  box-shadow: 0 20px 60px rgba(42, 108, 255, 0.18);
}
.plan .tier-name {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.plan .price { font-family: var(--font-display); font-size: 2.4rem; font-weight: 600; letter-spacing: -0.02em; }
.plan .price .period { font-size: 0.95rem; color: var(--text-faint); font-weight: 400; }
.plan ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--s-3); }
.plan li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.plan li::before {
  content: "";
  flex: 0 0 16px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(52, 226, 223, 0.18);
  border: 1px solid var(--cyan);
  margin-top: 4px;
}

/* ---- Onboarding timeline ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
  position: relative;
}
@media (max-width: 980px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--surface-1);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-md);
  padding: var(--s-5);
  position: relative;
}
.step .num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: var(--s-2);
}
.step h4 { font-size: 1.05rem; margin-bottom: var(--s-3); }

/* ---- FAQ ---- */
details.faq {
  background: var(--surface-1);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-md);
  padding: var(--s-5);
  margin-bottom: var(--s-3);
}
details.faq[open] { border-color: rgba(90, 139, 255, 0.32); }
details.faq summary {
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 1.4rem;
  font-weight: 300;
  transition: transform var(--t-fast) var(--ease-out);
}
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq p { margin: var(--s-3) 0 0; color: var(--text-muted); }

/* ---- Matrix table (launch-now vs later) ---- */
.matrix {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface-1);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.matrix th, .matrix td {
  padding: var(--s-4) var(--s-5);
  text-align: left;
  border-bottom: 1px solid var(--surface-line);
}
.matrix th {
  background: rgba(255,255,255,0.04);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.matrix td .status-yes { color: var(--status-success); }
.matrix td .status-later { color: var(--status-warning); }
@media (max-width: 760px) {
  .matrix thead { display: none; }
  .matrix, .matrix tbody, .matrix tr, .matrix td { display: block; }
  .matrix tr { margin-bottom: var(--s-4); border: 1px solid var(--surface-line); border-radius: var(--radius-sm); }
  .matrix td { border-bottom: none; padding: var(--s-3) var(--s-4); }
  .matrix td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 4px;
  }
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--surface-line);
  padding: var(--s-8) 0 var(--s-6);
  background: linear-gradient(180deg, transparent 0%, rgba(6, 10, 26, 0.6) 100%);
  margin-top: var(--s-9);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--s-6);
}
@media (max-width: 880px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--s-3);
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--text-muted); text-decoration: none; font-size: 0.92rem; }
.footer-col a:hover { color: var(--text); }
.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--s-5);
  margin-top: var(--s-6);
  border-top: 1px solid var(--surface-line);
  font-size: 0.86rem;
  color: var(--text-faint);
}
@media (max-width: 600px) {
  .footer-meta { flex-direction: column; gap: var(--s-3); align-items: flex-start; }
}

/* ---- Reveal / motion ---- */
/* First paint is visible by default. JavaScript opts into the hidden
   animation state only after an observer has been installed successfully. */
.reveal-enhanced .reveal { opacity: 0; transform: translateY(18px); transition: opacity 520ms var(--ease-out), transform 520ms var(--ease-out); }
.reveal-enhanced .reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Reduced motion: kill all animations + transitions + reveals */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-enhanced .reveal { opacity: 1 !important; transform: none !important; }
  .terminal-enhanced .terminal-lines li { opacity: 1 !important; transform: none !important; }
  .terminal-cursor { animation: none !important; opacity: 1; }
  .js-ready .terminal-static-fallback { display: block; }
  .js-ready .terminal-static-fallback[open] pre { display: block; }
  .nav[data-nav-state="fading"] { opacity: 1 !important; transform: none !important; pointer-events: auto !important; }
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.mb-3 { margin-bottom: var(--s-3); }
.mb-5 { margin-bottom: var(--s-5); }
.mb-6 { margin-bottom: var(--s-6); }
.mt-3 { margin-top: var(--s-3); }
.mt-5 { margin-top: var(--s-5); }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-3 { gap: var(--s-3); }
.gap-5 { gap: var(--s-5); }
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--surface-line-strong), transparent);
  margin: var(--s-7) 0;
}