/* Mirror Fractal · Codec — site design system (2027 mobile-native)
   Family palette (ink + cream + gold) + codec signature (teal).
   App-class names consumed by app.js are preserved verbatim. */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --ink:           #08070a;
  --ink-deep:      #040306;
  --surface:       #0f0d10;
  --surface-2:     #15131a;
  --surface-3:     #1c1924;
  --border:        #211e29;
  --border-strong: #2e2a39;

  --cream:         #efe6d0;
  --cream-soft:    #d8cfb8;
  --mute:          #8a8174;
  --dim:           #5b5448;

  --gold:          #d4a84c;
  --gold-bright:   #e8b85a;
  --gold-deep:     #a67f33;
  --gold-glow:     rgba(212, 168, 76, 0.16);
  --gold-dim:      rgba(212, 168, 76, 0.42);

  --teal:          #4ddbb0;
  --teal-bright:   #6ee7c5;
  --teal-deep:     #2da788;
  --teal-glow:     rgba(77, 219, 176, 0.18);
  --teal-dim:      rgba(77, 219, 176, 0.42);

  --ok:            #4ddbb0;
  --warn:          #e8b85a;
  --err:           #ff6b6b;

  --serif:  'Cormorant Garamond', 'EB Garamond', Georgia, 'Times New Roman', serif;
  --sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:   'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  --container:        1120px;
  --container-prose:  720px;
  --container-wide:   1280px;
  --topbar-h:         64px;
  --topbar-h-scrolled: 52px;
  --radius:           8px;
  --radius-lg:        14px;
  --radius-pill:      999px;

  --ease:        cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast:    140ms;
  --dur-med:     280ms;
  --dur-slow:    520ms;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 16px);
}

body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--cream);
  background: var(--ink);
  min-height: 100svh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-color: var(--ink);
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(239, 230, 208, 0.55), transparent 60%),
    radial-gradient(1px 1px at 80% 70%, rgba(239, 230, 208, 0.45), transparent 60%),
    radial-gradient(1.5px 1.5px at 50% 50%, rgba(77, 219, 176, 0.35), transparent 60%),
    radial-gradient(1px 1px at 10% 80%, rgba(239, 230, 208, 0.3), transparent 60%),
    radial-gradient(1px 1px at 90% 20%, rgba(212, 168, 76, 0.4), transparent 60%),
    radial-gradient(1px 1px at 35% 65%, rgba(239, 230, 208, 0.25), transparent 60%),
    radial-gradient(1px 1px at 65% 15%, rgba(77, 219, 176, 0.28), transparent 60%);
  background-size: 240px 240px, 320px 320px, 480px 480px, 200px 200px, 280px 280px, 360px 360px, 420px 420px;
  background-position: 0 0, 60px 80px, 120px 40px, 30px 150px, 90px 20px, 150px 100px, 200px 60px;
  background-repeat: repeat;
  opacity: 0.6;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(60% 50% at 18% 12%, rgba(212, 168, 76, 0.07), transparent 70%),
    radial-gradient(60% 50% at 82% 88%, rgba(77, 219, 176, 0.08), transparent 70%);
}

main, header, footer, section { position: relative; z-index: 1; }

/* ── Type ──────────────────────────────────────────────────────────── */

.serif { font-family: var(--serif); font-weight: 400; }
.mono  { font-family: var(--mono); }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--cream);
  line-height: 1.06;
  letter-spacing: -0.005em;
  text-wrap: balance;
}

h1 em, h2 em, h3 em, .serif em { font-style: italic; color: var(--gold); }

p { color: var(--cream-soft); text-wrap: pretty; }

a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--teal-dim);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
a:hover, a:focus-visible { color: var(--teal-bright); border-bottom-color: var(--teal); }

code, .mono { font-family: var(--mono); font-size: 0.86em; }
strong { color: var(--cream); font-weight: 500; }
::selection { background: var(--teal); color: var(--ink); }

/* ── Layout primitives ────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.container--prose { max-width: var(--container-prose); }
.container--wide  { max-width: var(--container-wide); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.eyebrow__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal-glow), 0 0 24px var(--teal-glow);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(0.78); }
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 400;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.section-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--cream-soft);
  max-width: 640px;
  margin-bottom: 40px;
}

.section { padding: 96px 0; border-top: 1px solid var(--border); }
.section--tight { padding: 64px 0; }
.section--no-border { border-top: none; }

/* ── Scroll-driven reveal ─────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.is-in { opacity: 1; transform: none; transition: none; }
  .eyebrow__dot, .crumb__live::before { animation: none; }
  .hero__mark { animation: none; }
}

/* ── Topbar ───────────────────────────────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-h);
  background: rgba(8, 7, 10, 0.62);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: height var(--dur-med) var(--ease),
              background var(--dur-med) var(--ease),
              border-color var(--dur-med) var(--ease);
}

.topbar.is-scrolled {
  height: var(--topbar-h-scrolled);
  background: rgba(4, 3, 6, 0.84);
  border-bottom-color: rgba(255, 255, 255, 0.09);
}

.topbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  border: none;
  color: var(--cream);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.topbar__brand:hover, .topbar__brand:focus-visible { color: var(--cream); border: none; }

.topbar__mark {
  width: 22px; height: 30px;
  color: var(--cream);
  transition: transform var(--dur-med) var(--ease);
}
.topbar.is-scrolled .topbar__mark { transform: scale(0.9); }

.topbar__brand-sep { color: var(--dim); margin: 0 2px; }
.topbar__brand-sub { color: var(--teal); }

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  overflow-x: auto;
  scrollbar-width: none;
}
.topbar__nav::-webkit-scrollbar { display: none; }

.topbar__nav a {
  color: var(--mute);
  border: none;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.topbar__nav a:hover, .topbar__nav a:focus-visible {
  color: var(--cream);
  background: rgba(255, 255, 255, 0.04);
  border: none;
}
.topbar__nav a.is-active { color: var(--teal); background: rgba(77, 219, 176, 0.06); }

.topbar__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
  white-space: nowrap;
}
.topbar__meta-version { color: var(--gold); }

/* ── Mobile bottom nav (mobile only, glass pill) ──────────────────── */

.mobile-nav {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 60;
  display: none;
  align-items: center;
  gap: 4px;
  padding: 6px;
  max-width: calc(100vw - 32px);
  border-radius: var(--radius-pill);
  background: rgba(8, 7, 10, 0.78);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 20px 50px -16px rgba(0, 0, 0, 0.75),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.mobile-nav__item {
  width: 44px; height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border-radius: var(--radius-pill);
  color: var(--mute);
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease),
              transform 100ms var(--ease-spring);
}
.mobile-nav__item:hover, .mobile-nav__item:focus-visible { color: var(--cream); border: none; }
.mobile-nav__item:active { transform: scale(0.92); }
.mobile-nav__item.is-active {
  color: var(--teal);
  background: var(--teal-glow);
}
.mobile-nav__item svg { width: 18px; height: 18px; display: block; }
.mobile-nav__label { font-size: 0.55rem; line-height: 1; }

/* ── Floating action CTA ──────────────────────────────────────────── */

.fab {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(86px, calc(env(safe-area-inset-bottom) + 78px));
  z-index: 55;
  display: none;
  align-items: center;
  gap: 8px;
  padding: 12px 20px 12px 16px;
  border-radius: var(--radius-pill);
  background: var(--teal);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--teal);
  border-bottom: 1px solid var(--teal);
  box-shadow:
    0 14px 32px -10px rgba(77, 219, 176, 0.55),
    0 0 0 6px rgba(77, 219, 176, 0.1);
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px) scale(0.92);
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease),
              transform var(--dur-med) var(--ease-spring),
              background var(--dur-fast) var(--ease);
}
.fab.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.fab:hover { background: var(--teal-bright); border-color: var(--teal-bright); border-bottom-color: var(--teal-bright); color: var(--ink); }
.fab:active { transform: scale(0.95); }
.fab svg { width: 16px; height: 16px; }

/* ── Crumb strip ──────────────────────────────────────────────────── */

.crumb {
  border-bottom: 1px solid var(--border);
  background: rgba(4, 3, 6, 0.4);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  padding: 10px 0;
}

.crumb__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.crumb__seq {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.crumb__seq span:not(.crumb__sep) { color: var(--cream-soft); }

.crumb__live {
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.crumb__live::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--teal-glow), 0 0 16px var(--teal-glow);
  animation: pulse 2.4s ease-in-out infinite;
}
.crumb__sep { color: var(--dim); }

/* ── Hero ─────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  padding: 80px 0 64px;
  overflow: hidden;
}

.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 64px;
  align-items: center;
}

.hero__copy { min-width: 0; }

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.8rem, 6.4vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.018em;
  margin-bottom: 28px;
}

.hero__title em { font-style: italic; color: var(--gold); }
.hero__title em.t { color: var(--teal); }

.hero__lede {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--cream-soft);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero__lede strong { color: var(--cream); font-weight: 500; }

.hero__ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.hero__mark {
  width: 240px;
  max-width: 28vw;
  color: var(--cream);
  filter: drop-shadow(0 0 40px rgba(77, 219, 176, 0.16));
  animation: floaty 9s ease-in-out infinite;
}

.hero__mark .mark-axis-gold { stroke: var(--teal); }
.hero__mark .mark-node      { fill: var(--teal); }

@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(0); }
  50%      { transform: translateY(-8px) rotate(-1.5deg); }
}

@media (max-width: 880px) {
  .hero { padding: 48px 0 40px; }
  .hero__layout { grid-template-columns: 1fr; gap: 28px; }
  .hero__mark { width: 140px; max-width: 36vw; align-self: center; }
}

/* ── Buttons ──────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 14px 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  color: var(--cream);
  cursor: pointer;
  transition:
    background var(--dur-med) var(--ease),
    border-color var(--dur-med) var(--ease),
    color var(--dur-med) var(--ease),
    transform 100ms var(--ease-spring),
    box-shadow var(--dur-med) var(--ease);
  line-height: 1;
  text-decoration: none;
  min-height: 44px;
}

a.btn { border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
a.btn:hover, a.btn:focus-visible { border-bottom-color: var(--teal); }

.btn:hover:not(:disabled), .btn:focus-visible:not(:disabled) {
  border-color: var(--teal);
  color: var(--teal-bright);
  background: rgba(77, 219, 176, 0.04);
  box-shadow: 0 8px 30px -10px rgba(77, 219, 176, 0.35);
}

.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn--primary {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--ink);
  font-weight: 600;
  box-shadow: 0 10px 30px -10px rgba(77, 219, 176, 0.5);
}
a.btn--primary { border-bottom: 1px solid var(--teal); }
a.btn--primary:hover, a.btn--primary:focus-visible { border-bottom-color: var(--teal-bright); }

.btn--primary:hover:not(:disabled), .btn--primary:focus-visible:not(:disabled) {
  background: var(--teal-bright);
  border-color: var(--teal-bright);
  color: var(--ink);
  box-shadow:
    0 14px 38px -10px rgba(77, 219, 176, 0.6),
    0 0 0 6px rgba(77, 219, 176, 0.1);
}

.btn--ghost {
  border-color: transparent;
  background: transparent;
  padding: 14px 0;
}
a.btn--ghost { border-bottom: 1px solid transparent; }
.btn--ghost::after {
  content: '→';
  margin-left: 4px;
  transition: transform var(--dur-med) var(--ease);
}
.btn--ghost:hover::after { transform: translateX(6px); }
.btn--ghost:hover:not(:disabled) { box-shadow: none; background: transparent; }

/* ── Stats strip ──────────────────────────────────────────────────── */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stat {
  padding: 30px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(15, 13, 16, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.stat__label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.stat__value {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat__value--teal { color: var(--teal); }

.stat__value sup {
  font-size: 0.5em;
  margin-left: 4px;
  color: var(--cream-soft);
  vertical-align: super;
}

.stat__note { font-size: 0.82rem; color: var(--cream-soft); }

@media (max-width: 880px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stats { grid-template-columns: 1fr; } }

/* ── Cards ────────────────────────────────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  padding: 28px 26px;
  background: rgba(15, 13, 16, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-med) var(--ease-spring),
              border-color var(--dur-med) var(--ease),
              box-shadow var(--dur-med) var(--ease);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(70% 70% at 100% 0%, rgba(77, 219, 176, 0.07), transparent 70%);
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--teal-dim);
  box-shadow:
    0 18px 38px -22px rgba(77, 219, 176, 0.3),
    0 6px 20px -10px rgba(0, 0, 0, 0.5);
}
.card:hover::before { opacity: 1; }

.card__num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--teal);
  letter-spacing: 0.18em;
  margin-bottom: 4px;
}

.card__title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--cream);
  letter-spacing: -0.005em;
}
.card__title em { color: var(--gold); font-style: italic; }

.card__text { font-size: 0.95rem; color: var(--cream-soft); line-height: 1.6; }

/* Mobile: horizontal scroll-snap carousel */
@media (max-width: 720px) {
  .cards {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 12px;
    padding: 4px 24px 16px;
    margin: 0 -24px;
  }
  .cards::-webkit-scrollbar { display: none; }
  .card {
    flex: 0 0 78%;
    scroll-snap-align: center;
    min-width: 240px;
  }
}

.swipe-hint {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.swipe-hint::before, .swipe-hint::after {
  content: '';
  width: 24px; height: 1px;
  background: var(--border-strong);
}

@media (max-width: 720px) { .swipe-hint { display: inline-flex; } }

/* ── Steps ────────────────────────────────────────────────────────── */

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.step {
  background: rgba(15, 13, 16, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--dur-med) var(--ease-spring),
              border-color var(--dur-med) var(--ease);
}
.step:hover { transform: translateY(-2px); border-color: var(--border-strong); }

.step__num {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--teal);
  letter-spacing: 0.2em;
}

.step__title {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--cream);
}

.step__body { font-size: 0.92rem; color: var(--cream-soft); line-height: 1.6; }
.step__body code {
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--teal);
  font-size: 0.82em;
}

@media (max-width: 880px) {
  .steps {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 12px;
    padding: 4px 24px 16px;
    margin: 0 -24px;
  }
  .steps::-webkit-scrollbar { display: none; }
  .step {
    flex: 0 0 78%;
    scroll-snap-align: center;
    min-width: 220px;
  }
}

/* ── Code blocks ──────────────────────────────────────────────────── */

.code-block {
  background: rgba(15, 13, 16, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--cream-soft);
  overflow-x: auto;
  line-height: 1.65;
  white-space: pre;
}

.code-comment { color: var(--dim); }
.code-kw      { color: var(--teal); }
.code-str     { color: var(--gold); }
.code-key     { color: var(--cream); }

/* ── Tables ───────────────────────────────────────────────────────── */

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(15, 13, 16, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }

th {
  text-align: left;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--mute);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-strong);
}
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--cream-soft);
  font-size: 0.95rem;
}
tbody tr:hover td { background: rgba(77, 219, 176, 0.04); color: var(--cream); }

tfoot td {
  border-top: 2px solid var(--border-strong);
  border-bottom: none;
  color: var(--cream);
  font-weight: 500;
}
tfoot td strong { color: var(--teal); }

td code {
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--gold);
}

/* ── Format spec ──────────────────────────────────────────────────── */

.format-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  align-items: start;
}

.format-notes {
  background: rgba(15, 13, 16, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
}

.format-notes h3 { font-family: var(--serif); font-size: 1.3rem; margin-bottom: 14px; }

.format-notes ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.format-notes li {
  position: relative;
  padding-left: 18px;
  color: var(--cream-soft);
  font-size: 0.92rem;
}

.format-notes li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 50%;
}

.format-section-head {
  background: var(--surface-2);
  color: var(--teal) !important;
  font-family: var(--mono) !important;
  font-size: 0.7rem !important;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 10px 14px !important;
}

@media (max-width: 880px) { .format-layout { grid-template-columns: 1fr; } }

/* ── Pipeline ─────────────────────────────────────────────────────── */

.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 28px 16px;
  background: rgba(15, 13, 16, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
}

.pipeline__step {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--cream);
  padding: 10px 18px;
  background: rgba(8, 7, 10, 0.6);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  white-space: nowrap;
}

.pipeline__step--core {
  color: var(--ink);
  background: var(--teal);
  border-color: var(--teal);
  box-shadow: 0 8px 20px -8px rgba(77, 219, 176, 0.4);
}

.pipeline__arrow { color: var(--dim); }

@media (max-width: 540px) {
  .pipeline { flex-direction: column; }
  .pipeline__arrow { transform: rotate(90deg); }
}

/* ── Integration cards ────────────────────────────────────────────── */

.integration-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.integration-card {
  display: flex;
  flex-direction: column;
  background: rgba(15, 13, 16, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--dur-med) var(--ease),
              transform var(--dur-med) var(--ease-spring),
              box-shadow var(--dur-med) var(--ease);
  min-width: 0;
}

.integration-card:hover {
  border-color: var(--teal-dim);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -18px rgba(77, 219, 176, 0.3);
}

.integration-card__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.integration-card__tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  padding: 4px 10px;
  border: 1px solid var(--teal-dim);
  border-radius: 4px;
}

.integration-card__target {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.integration-card__title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 10px;
}

.integration-card__desc {
  color: var(--cream-soft);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 18px;
}
.integration-card__desc code,
.integration-card__desc strong { color: var(--cream); }

.integration-card .code-block { margin-top: auto; min-width: 0; max-width: 100%; }

@media (max-width: 880px) { .integration-grid { grid-template-columns: 1fr; } }

/* ── Demo widget ──────────────────────────────────────────────────── */

.demo__status {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(15, 13, 16, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--cream-soft);
}

.demo__status--ready { border-color: var(--teal-dim); background: rgba(77, 219, 176, 0.04); }
.demo__status--error { border-color: rgba(255, 107, 107, 0.4); }

.status-ready { color: var(--teal); }
.status-error { color: var(--err); }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
.demo__status--ready .spinner,
.demo__status--error .spinner { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.drop-zone {
  min-height: 240px;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  text-align: center;
  cursor: default;
  position: relative;
  background:
    radial-gradient(circle at 50% 50%, rgba(77, 219, 176, 0.04), transparent 70%),
    rgba(15, 13, 16, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color var(--dur-med) var(--ease),
              background var(--dur-med) var(--ease),
              transform var(--dur-med) var(--ease-spring);
  opacity: 0.55;
  pointer-events: none;
}

.drop-zone--ready { opacity: 1; pointer-events: auto; cursor: pointer; }

.drop-zone--ready:hover, .drop-zone--hover {
  border-color: var(--teal);
  background:
    radial-gradient(circle at 50% 50%, rgba(77, 219, 176, 0.14), transparent 70%),
    rgba(15, 13, 16, 0.5);
  transform: scale(1.005);
}

.drop-zone--processing { opacity: 0.7; pointer-events: none; }

.drop-zone__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.drop-zone__icon {
  width: 38px; height: 38px;
  color: var(--mute);
  margin-bottom: 6px;
  transition: color var(--dur-med) var(--ease), transform var(--dur-med) var(--ease-spring);
}
.drop-zone--ready:hover .drop-zone__icon,
.drop-zone--hover .drop-zone__icon { color: var(--teal); transform: translateY(-4px); }

.drop-zone__text {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--cream);
  margin-bottom: 4px;
}

.drop-zone__hint {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--mute);
  letter-spacing: 0.08em;
}
.drop-zone__hint code {
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--cream);
  margin: 0 2px;
}

.demo__actions {
  display: flex;
  justify-content: center;
  margin-top: 18px;
}

/* ── Results panel ────────────────────────────────────────────────── */

.results-panel {
  margin-top: 28px;
  padding: 32px;
  background: rgba(15, 13, 16, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.results-panel__title {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
}

.results-panel__error-box {
  margin-top: 28px;
  padding: 22px 28px;
  background: rgba(80, 30, 25, 0.3);
  border: 1px solid var(--err);
  border-radius: var(--radius-lg);
}
.results-panel__error-box .results-panel__title { color: var(--err); margin-bottom: 8px; }
.results-panel__error { color: var(--err); font-size: 0.95rem; }

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.results-item {
  background: rgba(8, 7, 10, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: border-color var(--dur-med) var(--ease);
}
.results-item:hover { border-color: var(--teal-dim); }

.results-item__label {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 6px;
}

.results-item__value {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--cream);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

@media (max-width: 720px) { .results-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .results-grid { grid-template-columns: 1fr; } }

.compression-bar { margin-top: 4px; }

.compression-bar__header {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 8px;
}

.compression-bar__track {
  height: 28px;
  background: rgba(4, 3, 6, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 6px;
}

.compression-bar__fill {
  height: 100%;
  transition: width 1s var(--ease);
  width: 0%;
}

.compression-bar__fill--raw {
  background: linear-gradient(90deg, var(--surface-3), var(--border-strong));
}
.compression-bar__fill--compressed {
  background: linear-gradient(90deg, var(--teal-deep), var(--teal-bright));
  box-shadow: 0 0 16px var(--teal-glow) inset;
}

.compression-bar__labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--cream-soft);
}

/* ── Tabs ─────────────────────────────────────────────────────────── */

.viewer { margin-top: 28px; border-top: 1px solid var(--border); padding-top: 24px; }

.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  background: none;
  border: none;
  color: var(--mute);
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  margin-bottom: -1px;
  min-height: 44px;
  white-space: nowrap;
}
.tab:hover { color: var(--cream); }
.tab--active { color: var(--teal); border-bottom-color: var(--teal); }
.tab--download { margin-left: auto; }

.tab-panel { display: none; min-height: 320px; }
.tab-panel--active { display: block; animation: panel-in 320ms var(--ease); }

@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

/* Verify */
.verify { display: flex; flex-direction: column; gap: 20px; }

.verify__badge {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  background: rgba(8, 7, 10, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur-med) var(--ease);
}

.verify__badge--ok {
  border-color: var(--teal-dim);
  background: linear-gradient(135deg, rgba(77, 219, 176, 0.08), rgba(8, 7, 10, 0.6));
  box-shadow: 0 0 0 1px rgba(77, 219, 176, 0.1) inset;
}

.verify__badge--fail {
  border-color: var(--err);
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.08), rgba(8, 7, 10, 0.6));
}

.verify__check {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--teal);
  font-size: 1.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px var(--teal-dim) inset, 0 0 20px var(--teal-glow);
}

.verify__badge--fail .verify__check {
  color: var(--err);
  box-shadow: 0 0 0 1px var(--err) inset;
}

.verify__title {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--cream);
}

.verify__subtitle { font-size: 0.9rem; color: var(--mute); margin-top: 2px; }

.verify__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.verify__stat {
  background: rgba(8, 7, 10, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.verify__label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.verify__value { font-family: var(--mono); font-size: 1.05rem; color: var(--cream); }

.verify__note { font-size: 0.9rem; color: var(--cream-soft); line-height: 1.65; }

@media (max-width: 720px) { .verify__stats { grid-template-columns: 1fr; } }

/* Voxel / Playback / Spatial */
.voxel3d, .playback, .spatial {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.voxel3d__canvas, .playback__canvas, .spatial__canvas {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1 / 1;
  height: auto;
  background: var(--ink-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  image-rendering: pixelated;
  box-shadow: 0 0 0 1px rgba(77, 219, 176, 0.06) inset;
}

.voxel3d__canvas { cursor: grab; touch-action: none; image-rendering: auto; }
.voxel3d__canvas:active { cursor: grabbing; }

.voxel3d__controls {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.voxel3d__toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--cream-soft);
  font-family: var(--mono);
  font-size: 0.78rem;
  cursor: pointer;
}
.voxel3d__toggle input { accent-color: var(--teal); }

.playback__compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  width: 100%;
}

.playback__pane {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.playback__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.playback__dot { width: 8px; height: 8px; border-radius: 50%; }
.playback__dot--orig { background: var(--mute); }
.playback__dot--dec  { background: var(--teal); box-shadow: 0 0 10px var(--teal-glow); }

.playback__controls {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  max-width: 520px;
}

.playback__scrubber { flex: 1; accent-color: var(--teal); height: 4px; }

.playback__time {
  font-family: var(--mono);
  color: var(--cream-soft);
  font-size: 0.82rem;
  min-width: 72px;
  text-align: right;
}

.playback__note, .voxel3d__note, .spatial__note {
  color: var(--cream-soft);
  font-size: 0.88rem;
  line-height: 1.65;
  text-align: center;
  max-width: 540px;
}
.voxel3d__note code, .playback__note code, .spatial__note code {
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--teal);
}

.spatial__legend {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}
.spatial__gradient {
  width: 180px;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #4ddbb0, #d4a84c, #ff6b6b);
}

@media (max-width: 720px) { .playback__compare { grid-template-columns: 1fr; } }

/* Download */
.download { display: flex; flex-direction: column; gap: 18px; }

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.download-card {
  background: rgba(8, 7, 10, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  transition: border-color var(--dur-med) var(--ease), transform var(--dur-med) var(--ease-spring);
}
.download-card:hover { border-color: var(--teal-dim); transform: translateY(-2px); }

.download-card--accent {
  border-color: var(--teal-dim);
  background: linear-gradient(135deg, var(--teal-glow), rgba(8, 7, 10, 0.6));
  box-shadow: 0 0 0 1px var(--teal-dim) inset, 0 10px 30px -10px rgba(77, 219, 176, 0.3);
}

.download-card__label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.download-card__size {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--cream);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.download-card__ext {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--teal);
  margin-bottom: 12px;
}

.download-card .btn { width: 100%; margin-top: auto; }

.download__note { color: var(--cream-soft); font-size: 0.9rem; line-height: 1.65; }
.download__note code {
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--teal);
}

@media (max-width: 540px) { .download-grid { grid-template-columns: 1fr; } }

/* Disclaimer */
.demo__disclaimer {
  margin-top: 40px;
  padding: 32px;
  background: rgba(15, 13, 16, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.demo__disclaimer-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 22px;
}

.demo__disclaimer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.demo__disclaimer-grid h4 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 12px;
}

.demo__disclaimer-grid ul {
  margin: 0;
  padding-left: 20px;
  color: var(--cream-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.demo__disclaimer-grid li { margin-bottom: 6px; }

.demo__disclaimer-note {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--cream-soft);
}

@media (max-width: 720px) {
  .demo__disclaimer-grid { grid-template-columns: 1fr; gap: 22px; }
}

/* ── Contact panel ────────────────────────────────────────────────── */

.contact-panel {
  background: linear-gradient(135deg, rgba(15, 13, 16, 0.7), rgba(21, 19, 26, 0.7));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 44px;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.contact-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(70% 60% at 100% 0%, var(--teal-glow), transparent 70%);
  pointer-events: none;
}

.contact-panel > * { position: relative; }

.contact-panel__lead {
  font-family: var(--serif);
  font-size: 1.4rem;
  line-height: 1.4;
  color: var(--cream);
  margin-bottom: 24px;
}

.contact-panel__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.contact-panel__list li {
  position: relative;
  padding-left: 20px;
  color: var(--cream-soft);
  font-size: 0.96rem;
  line-height: 1.6;
}

.contact-panel__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--teal-glow);
}

.contact-panel__cta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.contact-panel__note {
  color: var(--mute);
  font-size: 0.85rem;
  flex: 1;
  min-width: 240px;
}

@media (max-width: 540px) { .contact-panel { padding: 28px; } }

/* ── Footer ───────────────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 40px;
  margin-top: 80px;
  background: rgba(4, 3, 6, 0.5);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer__brand { display: flex; flex-direction: column; gap: 12px; }

.footer__mark {
  width: 28px; height: 38px;
  color: var(--cream);
  margin-bottom: 4px;
}

.footer__brand-name {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--cream);
  font-style: italic;
}

.footer__brand-note {
  font-size: 0.86rem;
  color: var(--mute);
  max-width: 280px;
  line-height: 1.6;
}

.footer__col h4 {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 14px;
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__col a { color: var(--cream-soft); border: none; font-size: 0.92rem; }
.footer__col a:hover { color: var(--teal); border: none; }

.footer__legal {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

@media (max-width: 880px) {
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 540px) {
  .footer__inner { grid-template-columns: 1fr; }
  .footer { padding-bottom: 100px; }
}

/* ── Quote ────────────────────────────────────────────────────────── */

.quote {
  text-align: center;
  padding: 72px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(60% 80% at 50% 50%, rgba(77, 219, 176, 0.06), transparent 70%),
    rgba(8, 7, 10, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.quote__inner { max-width: 760px; margin: 0 auto; }

.quote__text {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.35;
  color: var(--cream);
  font-style: italic;
  margin-bottom: 18px;
}
.quote__text em { color: var(--teal); }

.quote__attribution {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}

/* ── Responsive helpers ───────────────────────────────────────────── */

@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .section--tight { padding: 48px 0; }
  .topbar__meta { display: none; }
  .topbar__nav { display: none; }
  .mobile-nav { display: inline-flex; }
  .fab { display: inline-flex; }
  body { padding-bottom: 92px; }
}

@media (max-width: 480px) {
  .hero { padding: 40px 0 32px; }
  .hero__ctas { width: 100%; }
  .hero__ctas .btn { flex: 1; min-width: 0; }
  .results-panel { padding: 22px; }
  .demo__disclaimer { padding: 22px; }
}

/* ── Sister products strip (footer) ────────────────────────────────── */

.footer__family {
  border-top: 1px solid var(--border);
  margin-top: 32px;
  padding-top: 24px;
  display: flex;
  align-items: baseline;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__family-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  white-space: nowrap;
}

.footer__family-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin: 0;
  padding: 0;
}

.footer__family-list a {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--cream);
  border-bottom: 1px solid transparent;
}
.footer__family-list a:hover { color: var(--gold); border-bottom-color: var(--gold-dim); }

.footer__family-list span {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--mute);
  margin-left: 8px;
  letter-spacing: 0.04em;
}

@media (max-width: 540px) {
  .footer__family { flex-direction: column; gap: 12px; }
  .footer__family-list { gap: 10px 20px; }
}

/* ── Newsletter signup (footer) ───────────────────────────────────── */

.newsletter {
  margin-top: 18px;
  max-width: 320px;
}

.newsletter__label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 8px;
  display: block;
}

.newsletter__row {
  display: flex;
  gap: 6px;
}

.newsletter__input {
  flex: 1;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--cream);
  background: rgba(4, 3, 6, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  min-height: 44px;
  min-width: 0;
}

.newsletter__input:focus {
  outline: none;
  border-color: var(--teal);
}

.newsletter__btn {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--teal);
  border: none;
  border-radius: var(--radius);
  padding: 0 16px;
  cursor: pointer;
  min-height: 44px;
  transition: background var(--dur-fast) var(--ease);
}

.newsletter__btn:hover:not(:disabled) { background: var(--teal-bright); }
.newsletter__btn:disabled { opacity: 0.5; cursor: not-allowed; }

.newsletter__status {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.newsletter__status--ok { color: var(--teal); }
.newsletter__status--err { color: var(--err); }