/* ================================================================
   Mix Marriage Offline · StudioConsole Noir
   Deep cinematic blacks · Warm amber/gold · Film-grain texture
   ================================================================ */

:root {
  /* Core palette */
  --bg:        #0b0b0d;
  --bg-raised: #111115;
  --bg-panel:  #16161b;
  --bg-card:   #1c1c22;

  /* Ink / text */
  --ink:       #e8e2d6;
  --ink-dim:   #8a8078;
  --ink-faint: #3e3a35;

  /* Amber / gold accent */
  --gold:      #c9933a;
  --gold-lt:   #e8b86d;
  --gold-glow: rgba(201, 147, 58, 0.18);

  /* Steel blue accent (for surrounds / secondary) */
  --blue:      #7aa0c0;
  --blue-dim:  rgba(122, 160, 192, 0.15);

  /* Status */
  --safe:  #4caf82;
  --warn:  #d4a542;
  --error: #c0504a;

  /* Borders */
  --border:     rgba(201, 147, 58, 0.15);
  --border-dim: rgba(232, 226, 214, 0.06);

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0,0,0,0.55), 0 1px 0 rgba(201,147,58,0.07) inset;
  --shadow-glow: 0 0 40px rgba(201, 147, 58, 0.12);
}

/* ── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: "Inter", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold-lt); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.2em; }

code {
  background: rgba(201,147,58,0.08);
  border: 1px solid rgba(201,147,58,0.18);
  border-radius: 4px;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 0.84em;
  padding: 0.05em 0.35em;
  color: var(--gold-lt);
}

/* ── Film grain ─────────────────────────────────────────────────── */
.grain {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  height: 100%;
  left: 0;
  pointer-events: none;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
  opacity: 0.6;
}

/* ── Ambient light pools ────────────────────────────────────────── */
.ambient {
  border-radius: 999px;
  filter: blur(80px);
  pointer-events: none;
  position: fixed;
  transform-origin: center;
  z-index: 0;
}

.ambient-a {
  animation: drift-a 18s ease-in-out infinite alternate;
  background: radial-gradient(circle, rgba(201,147,58,0.22) 0%, transparent 70%);
  height: 36rem;
  left: -12rem;
  top: 0;
  width: 36rem;
}

.ambient-b {
  animation: drift-b 22s ease-in-out infinite alternate;
  background: radial-gradient(circle, rgba(122,160,192,0.10) 0%, transparent 70%);
  height: 30rem;
  right: -8rem;
  top: 30rem;
  width: 30rem;
}

.ambient-c {
  animation: drift-c 26s ease-in-out infinite alternate;
  background: radial-gradient(circle, rgba(201,147,58,0.10) 0%, transparent 70%);
  bottom: -10rem;
  height: 34rem;
  right: 20%;
  width: 34rem;
}

@keyframes drift-a {
  0%   { transform: translate(-3rem, -2rem) scale(1); }
  100% { transform: translate(3rem,  2.5rem) scale(1.1); }
}
@keyframes drift-b {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-4rem, 3rem) scale(1.15); }
}
@keyframes drift-c {
  0%   { transform: translate(2rem, 0) scale(1); }
  100% { transform: translate(-2rem, -2rem) scale(1.08); }
}

/* ── Layout helpers ─────────────────────────────────────────────── */
.section {
  margin: 0 auto;
  max-width: 74rem;
  padding: 5rem 1.5rem;
  position: relative;
  z-index: 1;
}

.section-wide {
  margin: 0 auto;
  max-width: 82rem;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* ── Navigation ─────────────────────────────────────────────────── */
.topbar {
  align-items: center;
  background: rgba(11,11,13,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  justify-content: space-between;
  left: 0;
  padding: 0.9rem 2rem;
  position: sticky;
  right: 0;
  top: 0;
  z-index: 100;
}

.brand {
  align-items: center;
  display: flex;
  gap: 0.5rem;
}

.brand-mmo {
  background: linear-gradient(135deg, var(--gold-lt), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-full {
  color: var(--ink-dim);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 1.6rem;
}

.nav-link {
  color: var(--ink-dim);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 180ms;
}
.nav-link:hover { color: var(--ink); text-decoration: none; }

.nav-link-gh {
  align-items: center;
  background: rgba(201,147,58,0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--gold-lt);
  display: flex;
  gap: 0.4rem;
  padding: 0.3rem 0.85rem;
}
.nav-link-gh:hover { background: rgba(201,147,58,0.14); color: var(--gold-lt); text-decoration: none; }

/* ── Hero ────────────────────────────────────────────────────────── */
.hero {
  padding-bottom: 4rem;
  padding-top: 5rem;
}

.hero-inner {
  align-items: center;
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1.15fr 0.85fr;
}

.ital {
  font-family: "Instrument Serif", "Times New Roman", serif;
  font-style: italic;
  font-weight: 400;
  color: var(--gold-lt);
}

.eyebrow {
  color: var(--gold);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  margin: 0 0 0.9rem;
  text-transform: uppercase;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 5.5vw, 5.2rem);
  font-weight: 800;
  line-height: 1.0;
  margin: 0 0 1.2rem;
}

.lede {
  color: var(--ink-dim);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.65;
  max-width: 50ch;
  margin: 0 0 0.5rem;
}

.lede-sub {
  color: var(--gold);
  font-size: 0.95rem;
  font-style: italic;
  font-weight: 500;
  margin: 0.6rem 0 0;
}

.actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.btn {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.91rem;
  font-weight: 700;
  gap: 0.4rem;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.4rem;
  text-decoration: none;
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }

.btn-primary {
  background: linear-gradient(130deg, var(--gold) 0%, #e8a030 100%);
  box-shadow: 0 8px 28px rgba(201,147,58,0.35), 0 0 0 1px rgba(201,147,58,0.3);
  color: #0b0b0d;
}
.btn-primary:hover {
  box-shadow: 0 12px 36px rgba(201,147,58,0.5), 0 0 0 1px rgba(201,147,58,0.4);
}

.btn-ghost {
  background: rgba(232,226,214,0.05);
  border: 1px solid rgba(232,226,214,0.15);
  color: var(--ink);
}
.btn-ghost:hover { background: rgba(232,226,214,0.09); }

/* ── Console mockup ──────────────────────────────────────────────── */
.console-mockup {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  overflow: hidden;
}

.console-bar {
  align-items: center;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
}

.console-dot {
  border-radius: 50%;
  display: inline-block;
  height: 9px;
  width: 9px;
}
.dot-r { background: #c0504a; }
.dot-y { background: #d4a542; }
.dot-g { background: #4caf82; }

.console-title {
  color: var(--ink-dim);
  font-size: 0.78rem;
  font-weight: 500;
  margin-left: 0.4rem;
}

.console-body {
  padding: 1rem 1.1rem 1.1rem;
}

.vibe-row {
  align-items: center;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0;
}
.vibe-row:last-of-type { margin-bottom: 0.6rem; }

.vibe-label {
  color: var(--ink-dim);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.vibe-value {
  color: var(--ink);
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.8rem;
  font-weight: 600;
}
.vibe-value.safe { color: var(--safe); }
.vibe-value.warn { color: var(--warn); }

/* Spectrum bars */
.spectrum-bars {
  align-items: flex-end;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  display: flex;
  gap: 2px;
  height: 48px;
  margin: 0.5rem 0;
  overflow: hidden;
  padding: 4px 6px;
}

.bar {
  background: linear-gradient(to top, var(--gold) 0%, var(--gold-lt) 100%);
  border-radius: 2px 2px 0 0;
  flex: 1;
  height: var(--h, 50%);
  opacity: 0.7;
  transition: height 800ms ease;
}

/* Speaker layout SVG */
.speaker-grid {
  margin-top: 0.5rem;
  text-align: center;
}
.speaker-svg {
  width: 100%;
  max-width: 220px;
}
.speaker-caption {
  color: var(--ink-dim);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  margin: 0.2rem 0 0;
  text-transform: uppercase;
}

/* ── Standards strip ─────────────────────────────────────────────── */
.standards-strip {
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
  background: rgba(201,147,58,0.04);
  margin: 0;
  padding: 1.2rem 2rem;
  position: relative;
  z-index: 1;
  text-align: center;
}

.strip-label {
  color: var(--ink-dim);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  margin: 0 0 0.55rem;
  text-transform: uppercase;
}

.standards {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.std {
  color: var(--ink-dim);
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.std-active {
  background: rgba(201,147,58,0.12);
  border: 1px solid rgba(201,147,58,0.3);
  border-radius: 4px;
  color: var(--gold-lt);
  padding: 0.1rem 0.5rem;
}
.std-sep { color: var(--ink-faint); }

/* ── Section headers ─────────────────────────────────────────────── */
.section-header {
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.9rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0.4rem 0 0;
}

.section-sub {
  color: var(--ink-dim);
  font-size: 1rem;
  margin: 0.8rem 0 0;
}

/* ── Feature cards ───────────────────────────────────────────────── */
.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  padding: 1.4rem 1.2rem;
  transition: border-color 250ms, box-shadow 250ms;
}
.card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-card), 0 0 24px rgba(201,147,58,0.08);
}

.card-icon {
  color: var(--gold);
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.card h3 {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.card p {
  color: var(--ink-dim);
  font-size: 0.91rem;
  line-height: 1.6;
  margin: 0;
}

/* ── Workflow flow ───────────────────────────────────────────────── */
.flow {
  align-items: center;
  display: grid;
  gap: 0.5rem;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  margin-bottom: 3rem;
}

.flow-step {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  padding: 1.4rem 1.2rem;
}

.flow-num {
  color: var(--gold);
  display: block;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 0.6rem;
}

.flow-step h3 {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.45rem;
}

.flow-step p {
  color: var(--ink-dim);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0;
}

.flow-arrow {
  color: var(--gold);
  font-size: 1.5rem;
  text-align: center;
}

/* ── CLI block ───────────────────────────────────────────────────── */
.cli-block {
  background: #0d0d10;
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.cli-bar {
  align-items: center;
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
}

.cli-dot {
  background: var(--ink-faint);
  border-radius: 50%;
  display: inline-block;
  height: 8px;
  width: 8px;
}

.cli-title {
  color: var(--ink-faint);
  font-size: 0.78rem;
  margin-left: 0.4rem;
}

.cli-body {
  margin: 0;
  overflow-x: auto;
  padding: 1.2rem 1.4rem;
}
.cli-body code {
  background: none;
  border: none;
  color: var(--ink);
  font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 0.83rem;
  line-height: 1.75;
  padding: 0;
}
.c-prompt { color: var(--gold); user-select: none; }
.c-dim { color: var(--ink-faint); }

/* ── Layout table section ────────────────────────────────────────── */
.section-panel {
  background: var(--bg-raised);
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

.table-wrap {
  overflow-x: auto;
  margin-bottom: 1.2rem;
}

.layout-table {
  border-collapse: collapse;
  font-size: 0.87rem;
  width: 100%;
}

.layout-table th,
.layout-table td {
  border: 1px solid var(--border-dim);
  padding: 0.6rem 1rem;
  text-align: left;
}

.layout-table thead th {
  background: rgba(201,147,58,0.06);
  color: var(--ink-dim);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.th-smpte {
  background: rgba(201,147,58,0.12) !important;
  color: var(--gold-lt) !important;
}

.td-smpte {
  color: var(--gold-lt);
  font-weight: 600;
}

.layout-table tbody tr:hover {
  background: rgba(201,147,58,0.04);
}

.table-note {
  color: var(--ink-dim);
  font-size: 0.88rem;
  margin: 0;
}
.table-note strong { color: var(--gold-lt); }

/* ── Download cards ──────────────────────────────────────────────── */
.dl-cards {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 1.5rem;
}

.dl-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  color: var(--ink);
  display: block;
  padding: 1.8rem 1.4rem;
  text-align: center;
  text-decoration: none;
  transition: border-color 200ms, box-shadow 200ms, transform 200ms;
}
.dl-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-card), 0 0 32px rgba(201,147,58,0.12);
  color: var(--ink);
  text-decoration: none;
  transform: translateY(-3px);
}

.dl-icon {
  color: var(--gold);
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  opacity: 0.85;
}

.dl-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
}

.dl-card p {
  color: var(--ink-dim);
  font-size: 0.88rem;
  margin: 0 0 1.2rem;
}

.dl-badge {
  background: linear-gradient(130deg, var(--gold) 0%, #e8a030 100%);
  border-radius: 999px;
  color: #0b0b0d;
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.35rem 1rem;
}

.dl-verify {
  color: var(--ink-dim);
  font-size: 0.88rem;
  margin: 0;
  text-align: center;
}
.dl-verify a { color: var(--gold-lt); }

/* ── Footer ──────────────────────────────────────────────────────── */
.footer-bar {
  background: var(--bg-raised);
  border-top: 1px solid var(--border-dim);
  padding: 2rem 2rem 2.5rem;
  position: relative;
  text-align: center;
  z-index: 1;
}

.footer-inner {
  align-items: center;
  color: var(--ink-dim);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.85rem;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 0.7rem;
}

.footer-brand {
  color: var(--ink);
  font-weight: 600;
}

.footer-sep { color: var(--ink-faint); }

.footer-link {
  color: var(--ink-dim);
  transition: color 180ms;
}
.footer-link:hover { color: var(--gold-lt); text-decoration: none; }

.footer-tagline {
  color: var(--ink-faint);
  font-size: 0.8rem;
  font-style: italic;
  margin: 0;
}

/* ── Demo video ──────────────────────────────────────────────────── */
.video-wrap {
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-card), 0 0 60px rgba(201,147,58,0.08);
  overflow: hidden;
  position: relative;
}

.demo-video {
  background: var(--bg-panel);
  display: block;
  max-height: 70vh;
  outline: none;
  width: 100%;
}

.video-fallback {
  align-items: center;
  background: var(--bg-panel);
  color: var(--ink-dim);
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  gap: 0.6rem;
  justify-content: center;
  min-height: 280px;
  padding: 2rem;
  text-align: center;
}

/* ── Reveal animation ────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 540ms ease, transform 540ms ease;
  transition-delay: var(--delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 64rem) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .console-mockup {
    max-width: 480px;
    margin: 0 auto;
  }

  .flow {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .cards,
  .dl-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 38rem) {
  .topbar {
    padding: 0.75rem 1rem;
  }

  .brand-full {
    display: none;
  }

  .nav-links {
    gap: 0.8rem;
  }

  .nav-link:not(.nav-link-gh) {
    display: none;
  }

  .section {
    padding: 3rem 1rem;
  }

  .hero {
    padding-top: 2.5rem;
  }
}

@media (min-width: 40rem) and (max-width: 64rem) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

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