/* ==========================================================================
   SASTRAM LABS — DESIGN SYSTEM v2
   Built from Bodha Drive Design Theory (Apr 2026, locked).
   Mixed light/dark cinematic pacing. 8pt grid. Optical alignment.
   ========================================================================== */

/* --------------------------------------------------------------------------
   FONTS
   IBM Plex Sans — display headlines, card titles, section headings (via --serif var)
   IBM Plex Mono — labels, eyebrows, code (via --mono var)
   Plus Jakarta Sans — body text, UI copy (via --sans var)
   All loaded via Google Fonts in each page.
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Brand */
  --brand-teal: #0D9488;
  --brand-teal-light: #14B8A6;
  --brand-teal-deep: #0F766E;
  --brand-amber: #FB923C;
  --brand-amber-deep: #F97316;
  --brand-amber-glow: #FDBA74;
  --brand-coral: #F73C5C;
  --brand-coral-deep: #DC2640;

  /* Dark surfaces (5 elevations + 1 deepest) */
  --d-deep: #060A0A;
  --d-base: #0A0F0F;
  --d-recessed: #111717;
  --d-elevated: #171E1E;
  --d-card: #1C2424;
  --d-card-hover: #222C2C;

  /* Light surfaces (5 elevations) */
  --l-paper: #FFFFFF;
  --l-cream: #F7FAFA;
  --l-recessed: #F0F4F4;
  --l-elevated: #FAFCFC;
  --l-card: #FFFFFF;

  /* Dark text */
  --d-text-1: #EDF2F2;
  --d-text-2: #A8B6B6;
  --d-text-3: #6B7878;
  --d-text-4: #444E4E;

  /* Light text */
  --l-text-1: #0A1414;
  --l-text-2: #4A5757;
  --l-text-3: #6B7878;
  --l-text-4: #98A4A4;

  /* Borders */
  --d-line-1: rgba(255, 255, 255, 0.04);
  --d-line-2: rgba(255, 255, 255, 0.08);
  --d-line-3: rgba(255, 255, 255, 0.14);
  --d-line-4: rgba(255, 255, 255, 0.22);

  --l-line-1: rgba(10, 20, 20, 0.05);
  --l-line-2: rgba(10, 20, 20, 0.08);
  --l-line-3: rgba(10, 20, 20, 0.14);
  --l-line-4: rgba(10, 20, 20, 0.22);

  /* Mode-aware (overridden in [data-mode] sections) */
  --bg: var(--d-base);
  --bg-recessed: var(--d-recessed);
  --bg-elevated: var(--d-elevated);
  --bg-card: var(--d-card);
  --bg-card-hover: var(--d-card-hover);
  --text-1: var(--d-text-1);
  --text-2: var(--d-text-2);
  --text-3: var(--d-text-3);
  --text-4: var(--d-text-4);
  --line-1: var(--d-line-1);
  --line-2: var(--d-line-2);
  --line-3: var(--d-line-3);
  --line-4: var(--d-line-4);

  /* Typography */
  --serif: 'IBM Plex Sans', system-ui, sans-serif;
  --sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Type scale — major third, 8pt grid harmonic */
  --t-display-4xl: clamp(4rem, 9vw, 8.25rem);     /* 64–132 — number monuments */
  --t-display-3xl: clamp(3rem, 6vw, 5.5rem);      /* 48–88  — hero headline */
  --t-display-2xl: clamp(2.25rem, 4vw, 3.5rem);   /* 36–56  — section headline */
  --t-display-xl:  clamp(1.75rem, 2.6vw, 2.25rem);/* 28–36  — sub-section headline */
  --t-display-l:   1.375rem;                      /* 22     — card title */
  --t-display-m:   1.125rem;                      /* 18     — minimum serif */

  --t-lead:        1.125rem;                      /* 18 */
  --t-body:        0.9375rem;                     /* 15 */
  --t-small:       0.8125rem;                     /* 13 */
  --t-tiny:        0.75rem;                       /* 12 */
  --t-label:       0.6875rem;                     /* 11 — uppercase, tracked */

  --t-mono-md:     0.875rem;                      /* 14 — code */
  --t-mono-sm:     0.75rem;                       /* 12 */
  --t-mono-xs:     0.6875rem;                     /* 11 */

  /* Spacing — 8pt grid */
  --s-1:  4px;
  --s-2:  8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-7: 32px;
  --s-8: 40px;
  --s-9: 48px;
  --s-10: 64px;
  --s-11: 80px;
  --s-12: 96px;
  --s-13: 128px;
  --s-14: 160px;
  --s-15: 192px;

  /* Section padding */
  --sec-pad: clamp(96px, 12vw, 160px);
  --sec-pad-sm: clamp(72px, 9vw, 120px);
  --sec-pad-xs: clamp(56px, 7vw, 88px);

  /* Containers */
  --max-w: 1360px;
  --max-w-hero: 1440px;
  --max-w-read: 720px;
  --max-w-narrow: 880px;

  /* Gutter */
  --gutter: clamp(20px, 4vw, 48px);

  /* Radius — design theory: 22 outer / 14 card / 8 inner */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-pill: 999px;

  /* Motion */
  --ease-out: cubic-bezier(0.2, 0, 0, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-quick: 150ms;
  --t-std: 300ms;
  --t-expressive: 600ms;
}

/* --------------------------------------------------------------------------
   SECTION MODES — cinematic pacing across the page
   -------------------------------------------------------------------------- */
[data-mode="dark"] {
  --bg: var(--d-base);
  --bg-recessed: var(--d-recessed);
  --bg-elevated: var(--d-elevated);
  --bg-card: var(--d-card);
  --bg-card-hover: var(--d-card-hover);
  --text-1: var(--d-text-1);
  --text-2: var(--d-text-2);
  --text-3: var(--d-text-3);
  --text-4: var(--d-text-4);
  --line-1: var(--d-line-1);
  --line-2: var(--d-line-2);
  --line-3: var(--d-line-3);
  --line-4: var(--d-line-4);
  background: var(--bg);
  color: var(--text-1);
}

[data-mode="deep"] {
  --bg: var(--d-deep);
  --bg-recessed: var(--d-base);
  --bg-elevated: var(--d-recessed);
  --bg-card: var(--d-elevated);
  --bg-card-hover: var(--d-card);
  --text-1: var(--d-text-1);
  --text-2: var(--d-text-2);
  --text-3: var(--d-text-3);
  --text-4: var(--d-text-4);
  --line-1: var(--d-line-1);
  --line-2: var(--d-line-2);
  --line-3: var(--d-line-3);
  --line-4: var(--d-line-4);
  background: var(--bg);
  color: var(--text-1);
}

[data-mode="cream"] {
  --bg: var(--l-cream);
  --bg-recessed: var(--l-recessed);
  --bg-elevated: var(--l-elevated);
  --bg-card: var(--l-card);
  --bg-card-hover: var(--l-paper);
  --text-1: var(--l-text-1);
  --text-2: var(--l-text-2);
  --text-3: var(--l-text-3);
  --text-4: var(--l-text-4);
  --line-1: var(--l-line-1);
  --line-2: var(--l-line-2);
  --line-3: var(--l-line-3);
  --line-4: var(--l-line-4);
  background: var(--bg);
  color: var(--text-1);
}

[data-mode="paper"] {
  --bg: var(--l-paper);
  --bg-recessed: var(--l-cream);
  --bg-elevated: var(--l-paper);
  --bg-card: var(--l-cream);
  --bg-card-hover: var(--l-recessed);
  --text-1: var(--l-text-1);
  --text-2: var(--l-text-2);
  --text-3: var(--l-text-3);
  --text-4: var(--l-text-4);
  --line-1: var(--l-line-1);
  --line-2: var(--l-line-2);
  --line-3: var(--l-line-3);
  --line-4: var(--l-line-4);
  background: var(--bg);
  color: var(--text-1);
}

/* --------------------------------------------------------------------------
   RESET + BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--d-deep);
  color: var(--d-text-1);
  font-family: var(--sans);
  font-size: var(--t-body);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: var(--brand-amber); color: #0A0F0F; }

/* --------------------------------------------------------------------------
   LAYOUT PRIMITIVES
   -------------------------------------------------------------------------- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }
.container-hero { max-width: var(--max-w-hero); margin: 0 auto; padding: 0 var(--gutter); }
.container-read { max-width: var(--max-w-read); margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { max-width: var(--max-w-narrow); margin: 0 auto; padding: 0 var(--gutter); }

section[data-mode] { padding: var(--sec-pad) 0; position: relative; isolation: isolate; }
section[data-mode].compact { padding: var(--sec-pad-sm) 0; }
section[data-mode].tight { padding: var(--sec-pad-xs) 0; }

/* --------------------------------------------------------------------------
   TYPOGRAPHY HELPERS
   -------------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--mono);
  font-size: var(--t-mono-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-amber);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
  flex-shrink: 0;
}
.eyebrow.no-line::before { display: none; }
.eyebrow.muted { color: var(--text-3); }

.label {
  font-family: var(--sans);
  font-size: var(--t-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  display: inline-block;
}

.display-4xl {
  font-family: var(--serif);
  font-weight: 500;
  font-size: var(--t-display-4xl);
  line-height: 0.94;
  letter-spacing: -0.035em;
  color: var(--text-1);
}
.display-3xl {
  font-family: var(--serif);
  font-weight: 500;
  font-size: var(--t-display-3xl);
  line-height: 1.0;
  letter-spacing: -0.028em;
  color: var(--text-1);
}
.display-2xl {
  font-family: var(--serif);
  font-weight: 500;
  font-size: var(--t-display-2xl);
  line-height: 1.05;
  letter-spacing: -0.022em;
  color: var(--text-1);
}
.display-xl {
  font-family: var(--serif);
  font-weight: 500;
  font-size: var(--t-display-xl);
  line-height: 1.15;
  letter-spacing: -0.012em;
  color: var(--text-1);
}
.display-l {
  font-family: var(--serif);
  font-weight: 500;
  font-size: var(--t-display-l);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--text-1);
}

em { font-style: italic; font-weight: 500; }

.lead {
  font-family: var(--sans);
  font-size: var(--t-lead);
  font-weight: 300;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 56ch;
}

.body {
  font-family: var(--sans);
  font-size: var(--t-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 60ch;
}

.caption {
  font-family: var(--sans);
  font-size: var(--t-small);
  line-height: 1.55;
  color: var(--text-3);
}

.tabular { font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   NAV (fixed, glassy, mode-adaptive)
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(6, 10, 10, 0.62);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--t-std) var(--ease-out), border-color var(--t-std) var(--ease-out);
}

.nav.is-light {
  background: rgba(247, 250, 250, 0.78);
  border-bottom-color: rgba(10, 20, 20, 0.06);
}

.nav-inner {
  width: 100%;
  max-width: var(--max-w-hero);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
}
.nav-logo {
  display: block;
  height: 22px;
  width: auto;
  transition: opacity var(--t-quick) ease-out;
}
.nav-logo.on-light { display: none; }
.nav.is-light .nav-logo.on-dark { display: none; }
.nav.is-light .nav-logo.on-light { display: block; }
.nav-brand:hover .nav-logo { opacity: 0.85; }

.nav-links { display: flex; gap: 28px; flex: 1; }
.nav-link {
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(237, 242, 242, 0.66);
  transition: color var(--t-quick) ease-out;
  padding: 4px 0;
  position: relative;
}
.nav-link:hover { color: #EDF2F2; }
.nav-link.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--brand-amber);
}
.nav.is-light .nav-link { color: rgba(10, 20, 20, 0.66); }
.nav.is-light .nav-link:hover { color: #0A1414; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: #0A0F0F;
  background: var(--brand-amber);
  padding: 9px 16px 10px;
  border-radius: var(--r-sm);
  transition: background var(--t-quick) ease-out, transform var(--t-quick) ease-out;
}
.nav-cta:hover { background: var(--brand-amber-deep); transform: translateY(-1px); }
.nav-cta-arrow { font-family: var(--sans); transition: transform var(--t-std) var(--ease-spring); }
.nav-cta:hover .nav-cta-arrow { transform: translateX(2px); }

/* --------------------------------------------------------------------------
   BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  padding: 13px 22px 14px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--t-quick) ease-out, border-color var(--t-quick) ease-out,
              transform var(--t-quick) ease-out, color var(--t-quick) ease-out;
  text-decoration: none;
  white-space: nowrap;
}

.btn-arrow { transition: transform var(--t-std) var(--ease-spring); }
.btn:hover .btn-arrow { transform: translateX(3px); }

.btn-primary {
  background: var(--brand-amber);
  color: #0A0F0F;
  border-color: var(--brand-amber);
}
.btn-primary:hover {
  background: var(--brand-amber-deep);
  border-color: var(--brand-amber-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-1);
  border-color: var(--line-3);
}
.btn-ghost:hover {
  border-color: var(--line-4);
  background: var(--bg-elevated);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brand-amber);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--t-quick) ease-out;
}
.btn-link:hover { border-bottom-color: var(--brand-amber); }
.btn-link svg, .btn-link .btn-arrow { transition: transform var(--t-std) var(--ease-spring); }
.btn-link:hover svg, .btn-link:hover .btn-arrow { transform: translateX(3px); }

/* --------------------------------------------------------------------------
   SECTION HEADER PRIMITIVE
   -------------------------------------------------------------------------- */
.sec-head { margin-bottom: var(--s-9); }
.sec-head .eyebrow { margin-bottom: var(--s-5); }
.sec-head h2 { margin-bottom: var(--s-5); }
.sec-head .lead { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   RULES + DIVIDERS
   -------------------------------------------------------------------------- */
.rule { width: 100%; height: 1px; background: var(--line-2); border: 0; }
.rule-amber { width: 64px; height: 1px; background: var(--brand-amber); border: 0; opacity: 0.7; }
.rule-grad {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-3), transparent);
  border: 0;
}

/* --------------------------------------------------------------------------
   META STRIP — pipe-separated facts
   -------------------------------------------------------------------------- */
.meta-strip {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: var(--t-mono-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.meta-strip > * { display: inline-flex; align-items: center; gap: 16px; }
.meta-strip > *:not(:last-child)::after {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-4);
}

/* --------------------------------------------------------------------------
   CARDS
   -------------------------------------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  padding: var(--s-7);
  transition: border-color var(--t-std) ease-out, transform var(--t-std) ease-out, background var(--t-std) ease-out;
  position: relative;
  overflow: hidden;
}
.card-interactive { cursor: pointer; }
.card-interactive:hover { border-color: var(--line-3); transform: translateY(-2px); }

.card-eyebrow {
  font-family: var(--mono);
  font-size: var(--t-mono-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: var(--s-5);
  display: block;
}

.card-title {
  font-family: var(--serif);
  font-size: var(--t-display-l);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.008em;
  color: var(--text-1);
  margin-bottom: var(--s-3);
}

.card-body {
  font-size: var(--t-body);
  line-height: 1.65;
  color: var(--text-2);
}

.card-foot {
  margin-top: var(--s-6);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* --------------------------------------------------------------------------
   PILLS / CHIPS
   -------------------------------------------------------------------------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: var(--t-tiny);
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--bg-elevated);
  border: 1px solid var(--line-2);
  color: var(--text-2);
}
.pill-amber { background: rgba(251, 146, 60, 0.10); border-color: rgba(251, 146, 60, 0.32); color: var(--brand-amber); }
.pill-teal { background: rgba(13, 148, 136, 0.12); border-color: rgba(13, 148, 136, 0.32); color: var(--brand-teal-light); }

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.pill-dot.is-live {
  background: var(--brand-amber);
  box-shadow: 0 0 0 0 rgba(251, 146, 60, 0.55);
  animation: livePulse 2s ease-in-out infinite;
}

@keyframes livePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(251, 146, 60, 0.55); }
  50%      { box-shadow: 0 0 0 6px rgba(251, 146, 60, 0); }
}

/* --------------------------------------------------------------------------
   CHAKRA — radial geometry primitive (used as backdrop in hero + CTA)
   -------------------------------------------------------------------------- */
.chakra {
  position: absolute;
  inset: 0;
  margin: auto;
  pointer-events: none;
  color: var(--text-1);
  opacity: 0.06;
}

/* --------------------------------------------------------------------------
   SDK STATUS / LIVE INDICATOR
   -------------------------------------------------------------------------- */
.sdk-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: var(--t-mono-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}
.sdk-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-teal-light);
  box-shadow: 0 0 8px var(--brand-teal-light);
  animation: livePulse 2s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   SCROLL REVEAL — JS adds .reveal-in when in viewport
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.reveal-in { opacity: 1; transform: none; }
.reveal.delay-1 { transition-delay: 80ms; }
.reveal.delay-2 { transition-delay: 160ms; }
.reveal.delay-3 { transition-delay: 240ms; }
.reveal.delay-4 { transition-delay: 320ms; }
.reveal.delay-5 { transition-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   FOCUS — visible, on-brand
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--brand-amber);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.foot {
  background: var(--d-deep);
  color: var(--d-text-1);
  padding: var(--s-13) 0 var(--s-9);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--s-9);
  margin-bottom: var(--s-12);
}
.foot-logo {
  display: block;
  height: 32px;
  width: auto;
  margin-bottom: var(--s-6);
}
.foot-tag {
  font-family: var(--sans);
  font-size: var(--t-small);
  font-weight: 400;
  line-height: 1.6;
  color: var(--d-text-2);
  max-width: 30ch;
}
.foot-col h4 {
  font-family: var(--sans);
  font-size: var(--t-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--d-text-3);
  margin-bottom: var(--s-5);
}
.foot-col ul { list-style: none; display: grid; gap: var(--s-3); }
.foot-col a {
  font-size: var(--t-body);
  color: var(--d-text-2);
  transition: color var(--t-quick) ease-out;
}
.foot-col a:hover { color: var(--d-text-1); }
.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--s-7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.foot-line {
  font-family: var(--mono);
  font-size: var(--t-mono-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--d-text-4);
}

/* --------------------------------------------------------------------------
   CAP CARDS (shared: used on sampark.html signals/capabilities + index.html loop)
   -------------------------------------------------------------------------- */
.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.cap-card {
  background: var(--bg-card);
  border: 1px solid var(--line-2);
  border-radius: 22px;
  padding: 36px;
  transition: border-color var(--t-std) ease-out, transform var(--t-std) ease-out;
}
.cap-card:hover { border-color: var(--line-3); transform: translateY(-2px); }
.cap-card-num {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--brand-amber);
  margin-bottom: 24px;
  display: block;
  letter-spacing: 0.08em;
}
.cap-card-title {
  font-family: var(--serif);
  font-size: 1.625rem;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.012em;
}
.cap-card-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 24px;
  max-width: 50ch;
}
.cap-card-spec {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line-2);
}
.cap-card-spec span {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 5px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
}

/* --------------------------------------------------------------------------
   RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 880px) {
  .nav { height: 60px; }
  .nav-inner { gap: 18px; }
  .nav-links { display: none; }
  .nav-logo { height: 20px; }
  .foot-logo { height: 28px; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: var(--s-8); }
  .foot-grid > *:first-child { grid-column: 1 / -1; }
  .meta-strip { gap: 12px; }
}

@media (max-width: 1024px) {
  .cap-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .cap-card { padding: 28px; }
  .foot-grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
}