:root {
  --bg: #0d0d14;
  --bg-surface: #13131f;
  --bg-card: #1a1a28;
  --fg: #f0f0f5;
  --fg-muted: #7a7a8c;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav { padding: 24px 48px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1200px; margin: 0 auto; }
.nav-logo { font-family: var(--font-display); font-weight: 800; font-size: 22px; color: var(--fg); text-decoration: none; letter-spacing: -0.5px; }
.nav-tagline { font-size: 13px; color: var(--fg-muted); font-family: var(--font-body); }

/* Hero */
.hero { padding: 100px 48px 80px; max-width: 1200px; margin: 0 auto; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-label { font-size: 12px; font-weight: 500; color: var(--accent); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 20px; font-family: var(--font-body); }
.hero-headline { font-family: var(--font-display); font-size: clamp(40px, 5vw, 62px); font-weight: 800; line-height: 1.08; letter-spacing: -1.5px; color: var(--fg); margin-bottom: 24px; }
.hero-sub { font-size: 18px; color: var(--fg-muted); line-height: 1.65; max-width: 460px; margin-bottom: 0; }
.hero-visual { display: flex; justify-content: flex-end; }

/* Agent card mock */
.agent-card { background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 24px; width: 100%; max-width: 360px; box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.agent-status { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.agent-status span { font-size: 13px; color: var(--fg-muted); }
.agent-log { display: flex; flex-direction: column; gap: 12px; }
.log-entry { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--fg-muted); }
.log-icon { font-size: 14px; flex-shrink: 0; }
.log-done { color: var(--accent); }

/* Proof */
.proof { background: var(--bg-surface); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 56px 48px; }
.proof-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: center; gap: 64px; }
.proof-stat { text-align: center; }
.stat-num { font-family: var(--font-display); font-size: 48px; font-weight: 800; color: var(--fg); letter-spacing: -2px; }
.stat-label { font-size: 13px; color: var(--fg-muted); margin-top: 8px; max-width: 160px; }
.proof-divider { width: 1px; height: 60px; background: rgba(255,255,255,0.08); }

/* How */
.how { padding: 100px 48px; max-width: 1200px; margin: 0 auto; }
.how-title { font-family: var(--font-display); font-size: 40px; font-weight: 700; letter-spacing: -1px; margin-bottom: 56px; }
.how-steps { display: grid; grid-template-columns: 1fr 60px 1fr 60px 1fr; align-items: start; gap: 0; }
.step { padding-right: 32px; }
.step-num { font-family: var(--font-display); font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: 1px; margin-bottom: 16px; }
.step h3 { font-family: var(--font-display); font-size: 22px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.3px; }
.step p { font-size: 15px; color: var(--fg-muted); line-height: 1.65; }
.step-arrow { display: flex; align-items: center; justify-content: center; padding-top: 32px; color: var(--fg-muted); }

/* Features */
.features { padding: 80px 48px 100px; background: var(--bg-surface); }
.features-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.features-col { display: flex; flex-direction: column; gap: 24px; }
.feat-card { background: var(--bg-card); border: 1px solid rgba(255,255,255,0.06); border-radius: 16px; padding: 32px; }
.feat-icon { font-size: 28px; margin-bottom: 16px; }
.feat-card h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.3px; }
.feat-card p { font-size: 15px; color: var(--fg-muted); line-height: 1.65; }

/* Manifesto */
.manifesto { padding: 100px 48px; background: var(--bg); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.manifesto-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.manifesto-quote { font-family: var(--font-display); font-size: clamp(22px, 3vw, 34px); font-weight: 600; line-height: 1.4; letter-spacing: -0.5px; color: var(--fg); margin-bottom: 32px; }
.manifesto-attribution { font-size: 15px; color: var(--fg-muted); }

/* Closing */
.closing { padding: 120px 48px; text-align: center; }
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing h2 { font-family: var(--font-display); font-size: clamp(36px, 5vw, 56px); font-weight: 800; letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 20px; }
.closing p { font-size: 18px; color: var(--fg-muted); }

/* Footer */
.footer { padding: 40px 48px; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-start; }
.footer-logo { font-family: var(--font-display); font-weight: 800; font-size: 18px; margin-bottom: 8px; }
.footer-desc { font-size: 13px; color: var(--fg-muted); }
.footer-link { color: var(--accent); text-decoration: none; }
.footer-legal { font-size: 12px; color: var(--fg-muted); align-self: flex-end; }

/* Mobile */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { justify-content: flex-start; }
  .hero { padding: 60px 24px 60px; }
  .proof-inner { flex-direction: column; gap: 32px; }
  .proof-divider { width: 60px; height: 1px; }
  .how-steps { grid-template-columns: 1fr; gap: 40px; }
  .step-arrow { transform: rotate(90deg); display: none; }
  .features-inner { grid-template-columns: 1fr; }
  .how { padding: 60px 24px; }
  .features { padding: 60px 24px; }
  .manifesto { padding: 60px 24px; }
  .closing { padding: 80px 24px; }
  .nav { padding: 20px 24px; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .nav-tagline { display: none; }
}