:root {
  --bg: #0f1117;
  --bg-alt: #161922;
  --bg-card: #1c1f2a;
  --fg: #f0ece4;
  --fg-muted: #8a8794;
  --accent: #f59e0b;
  --accent-dim: #92650a;
  --accent-glow: rgba(245,158,11,0.15);
  --border: rgba(240,236,228,0.08);
  --success: #34d399;
  --radius: 10px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(15,17,23,0.92);
  backdrop-filter: blur(12px);
  z-index: 10;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  font-size: 22px;
  color: var(--accent);
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--fg); }

/* Hero */
.hero {
  padding: 96px 48px 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--fg);
}

.hero-lede {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 2px;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 360px;
}

.workflow-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--fg-muted);
  position: relative;
}

.workflow-step:last-child { border-bottom: none; }

.workflow-step.done .step-icon { color: var(--success); }
.workflow-step.active { color: var(--fg); }
.workflow-step.active .step-icon { color: var(--accent); }
.workflow-step.pending { opacity: 0.4; }

.step-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 60%;
  background: var(--accent);
  border-radius: 2px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Proof */
.proof {
  padding: 64px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.quote-text {
  font-size: 22px;
  font-weight: 300;
  line-height: 1.5;
  color: var(--fg);
  font-style: italic;
  margin-bottom: 20px;
}

.quote-attr {
  display: flex;
  flex-direction: column;
}

.quote-author {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 15px;
}

.quote-role {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 2px;
}

.proof-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.metric {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.metric-val {
  font-family: 'Syne', sans-serif;
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
}

.metric-key {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* Feature rows */
.feature-row {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-row.reverse .feature-text { order: 2; }
.feature-row.reverse .feature-visual { order: 1; }

.feature-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.feature-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}

.feature-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* Research visual */
.trend-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}

.trend-key {
  font-size: 13px;
  color: var(--fg-muted);
  min-width: 140px;
  font-weight: 500;
}

.trend-bar {
  height: 6px;
  width: var(--w, 50%);
  background: var(--accent);
  border-radius: 3px;
  opacity: 0.7;
}

.trend-score {
  font-size: 12px;
  color: var(--fg-muted);
  min-width: 28px;
  text-align: right;
}

.trend-update {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 16px;
  opacity: 0.5;
}

/* Scripts visual */
.scripts-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.script-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
}

.script-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}

.script-line {
  font-size: 14px;
  color: var(--fg);
  line-height: 1.5;
}

.voice-badge {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  display: inline-block;
  align-self: flex-start;
}

/* Thumbnails visual */
.thumb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.thumb-card {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.thumb-card.active {
  border-color: var(--accent);
}

.thumb-img-placeholder {
  height: 80px;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.thumb-img-placeholder.alt { background: #1e2233; }

.thumb-face {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

.thumb-text-block {
  width: 36px;
  height: 6px;
  border-radius: 3px;
  background: var(--fg-muted);
  opacity: 0.3;
}

.thumb-label {
  padding: 8px;
  font-size: 11px;
  text-align: center;
  color: var(--fg-muted);
  background: var(--bg-card);
}

.thumb-card.active .thumb-label { color: var(--accent); }

.thumb-meta {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 12px;
  opacity: 0.6;
}

/* Publish visual */
.publish-timeline {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pt-event {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--fg-muted);
}

.pt-event.highlight {
  color: var(--accent);
  background: var(--accent-glow);
  padding: 10px 12px;
  border-radius: 8px;
  margin: -4px -4px;
}

.pt-time {
  min-width: 52px;
  font-size: 11px;
  opacity: 0.5;
}

.pt-action {
  flex: 1;
}

.pt-tag {
  display: inline-block;
  font-size: 10px;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

/* Manifesto */
.manifesto {
  padding: 96px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-headline {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  margin-bottom: 28px;
  color: var(--fg);
}

.manifesto-body {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

/* Closing */
.closing {
  padding: 80px 48px;
  text-align: center;
}

.closing-statement {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  color: var(--fg);
  margin-bottom: 16px;
}

.closing-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 480px;
  margin: 0 auto;
}

/* Footer */
.footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 12px;
  color: var(--fg-muted);
  opacity: 0.4;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar { padding: 16px 24px; }
  .hero { padding: 56px 24px 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { gap: 24px; }
  .hero-visual { order: -1; }
  .workflow-card { max-width: 100%; }
  .proof { padding: 48px 24px; }
  .proof-inner { grid-template-columns: 1fr; gap: 40px; }
  .feature-row { padding: 56px 24px; grid-template-columns: 1fr; }
  .feature-row.reverse .feature-text { order: 1; }
  .feature-row.reverse .feature-visual { order: 2; }
  .thumb-grid { grid-template-columns: repeat(3, 1fr); }
  .manifesto { padding: 64px 24px; }
  .closing { padding: 56px 24px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .proof-metrics { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}