:root {
  --bg: #0e0e11;
  --bg-2: #141418;
  --bg-card: #1a1a1f;
  --accent: #f5a623;
  --accent-dim: #b87a10;
  --fg: #e8e6e0;
  --fg-2: #8a8894;
  --fg-3: #55555f;
  --border: #2a2a32;
  --tok-comment: #6b6b78;
  --tok-key: #c9a227;
  --tok-str: #7ec8a0;
  --tok-num: #e8a070;
}

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

html { scroll-behavior: smooth; }

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;
}

/* ── Navigation ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--fg);
  letter-spacing: -0.5px;
  text-decoration: none;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 13px;
  color: var(--fg-2);
  text-decoration: none;
  transition: color 0.15s;
}

.nav-link:hover { color: var(--accent); }

.nav-tagline {
  font-size: 13px;
  color: var(--fg-2);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ── Hero ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 82vh;
  border-bottom: 1px solid var(--border);
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 48px 80px 64px;
}

.hero-eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(42px, 5.5vw, 72px);
  line-height: 1.05;
  color: var(--fg);
  letter-spacing: -2px;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 17px;
  color: var(--fg-2);
  max-width: 460px;
  line-height: 1.65;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-3);
  font-weight: 500;
}

.hero-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--fg-3);
}

.hero-visual {
  display: flex;
  align-items: center;
  padding: 60px 64px 60px 24px;
  border-left: 1px solid var(--border);
}

/* ── Scene Block (hero visual) ── */
.scene-block {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}

.scene-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.scene-label {
  font-size: 12px;
  color: var(--fg-3);
  font-family: 'DM Mono', monospace;
}

.scene-badge {
  font-size: 11px;
  background: var(--accent);
  color: #000;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.scene-code {
  padding: 20px;
  font-family: 'DM Mono', 'Fira Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-2);
  white-space: pre;
}

.tok-comment { color: var(--tok-comment); }
.tok-key { color: var(--tok-key); }
.tok-str { color: var(--tok-str); }
.tok-num { color: var(--tok-num); }

.scene-prompt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--accent);
  font-style: italic;
}

.prompt-icon { font-size: 16px; }

/* ── Manifesto ── */
.manifesto {
  padding: 80px 64px;
  border-bottom: 1px solid var(--border);
}

.manifesto-inner { max-width: 760px; }

.manifesto-text {
  font-size: 20px;
  line-height: 1.7;
  color: var(--fg-2);
}

.manifesto-text strong { color: var(--fg); }
.manifesto-text em { color: var(--accent); font-style: normal; font-weight: 500; }

/* ── How it works ── */
.how {
  padding: 80px 64px;
  border-bottom: 1px solid var(--border);
}

.section-head {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.5px;
  margin-bottom: 48px;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step { padding: 0; }

.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.25;
  letter-spacing: -2px;
  display: block;
  margin-bottom: 16px;
}

.step h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}

.step p { font-size: 15px; color: var(--fg-2); line-height: 1.65; }

/* ── Features ── */
.features {
  padding: 80px 64px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}

.feat-icon {
  color: var(--accent);
  margin-bottom: 16px;
}

.feat h4 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}

.feat p { font-size: 14px; color: var(--fg-2); line-height: 1.6; }

/* ── Closer ── */
.closer {
  padding: 80px 64px;
  border-bottom: 1px solid var(--border);
}

.closer h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -1.5px;
  max-width: 680px;
  margin-bottom: 24px;
}

.closer p {
  font-size: 17px;
  color: var(--fg-2);
  max-width: 560px;
  line-height: 1.65;
}

/* ── Footer ── */
.footer {
  padding: 32px 64px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  color: var(--fg);
}

.footer-sep { color: var(--fg-3); }

.footer-tag { font-size: 14px; color: var(--fg-3); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-visual { border-left: none; border-top: 1px solid var(--border); padding: 40px 48px; }
  .hero-text { padding: 60px 32px 48px; }
  .how-steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .manifesto, .how, .features, .closer, .footer { padding-left: 32px; padding-right: 32px; }
  .nav { padding-left: 32px; padding-right: 32px; }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 36px; letter-spacing: -1px; }
  .hero-meta { flex-wrap: wrap; }
  .closer h2 { font-size: 28px; }
}