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

:root {
  --bg: #0d0d0f;
  --fg: #f0ece4;
  --accent: #f5a623;
  --accent-dim: rgba(245, 166, 35, 0.12);
  --muted: #888;
  --surface: #18181b;
  --surface2: #1f1f23;
  --border: #2a2a2e;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 13, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 40px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.wordmark-sub {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}

.hero-lede {
  font-size: 17px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 440px;
  margin-bottom: 48px;
  font-weight: 300;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  color: var(--accent);
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.3;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Agent Window */
.agent-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0,0,0,0.6);
}

.window-bar {
  background: var(--surface2);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.window-title {
  font-size: 12px;
  color: var(--muted);
  margin-left: 10px;
  font-family: var(--font-body);
}

.window-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 300px;
}

.log-entry {
  font-size: 12.5px;
  line-height: 1.5;
  padding: 10px 12px;
  border-radius: 8px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-family: 'Courier New', Courier, monospace;
}

.log-ts {
  color: var(--muted);
  flex-shrink: 0;
  font-size: 11px;
}

.log-ai {
  background: var(--accent-dim);
  color: var(--fg);
  border-left: 2px solid var(--accent);
}

.log-done {
  background: rgba(40, 200, 64, 0.08);
  color: #6de88a;
  border-left: 2px solid #28c840;
}

/* === PROOF === */
.proof {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
}

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

.proof-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
}

.proof-quote {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 400;
  line-height: 1.4;
  color: var(--fg);
  margin-bottom: 16px;
}

.proof-attr {
  font-size: 13px;
  color: var(--muted);
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px 40px;
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.manifesto-label-row {
  margin-bottom: 32px;
}

.manifesto-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.manifesto-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 64px;
}

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

.manifesto-body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 20px;
  font-weight: 300;
}

.manifesto-body-accent {
  color: var(--fg);
  font-size: 18px;
  font-weight: 500;
}

/* === HOW === */
.how {
  padding: 100px 40px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.how-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.how-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 48px;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.how-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

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

.step-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 40px;
  color: var(--border);
  line-height: 1;
  padding-top: 4px;
}

.step-title {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}

.step-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  font-weight: 300;
  max-width: 560px;
}

/* === FEATURES === */
.features {
  padding: 100px 40px;
  border-bottom: 1px solid var(--border);
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.features-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 48px;
}

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

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.feature-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  font-weight: 300;
}

/* === CLOSING === */
.closing {
  padding: 120px 40px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.closing-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.closing-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.closing-body {
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 20px;
  font-weight: 300;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--accent);
  font-style: italic;
}

/* === FOOTER === */
.site-footer {
  padding: 48px 40px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
  display: block;
  margin-bottom: 8px;
}

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

.footer-copy {
  font-size: 13px;
  color: var(--muted);
  text-align: right;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero {
    padding: 100px 24px 60px;
  }
  .manifesto-columns {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .header-inner {
    padding: 16px 24px;
  }
  .how-step {
    grid-template-columns: 56px 1fr;
    gap: 20px;
  }
  .footer-inner {
    flex-direction: column;
    gap: 20px;
  }
  .footer-copy {
    text-align: left;
  }
  .hero-stats {
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }
  .stat-divider {
    display: none;
  }
  .hero {
    padding: 90px 20px 50px;
  }
  .manifesto, .how, .features, .closing {
    padding: 64px 20px;
  }
}