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

:root {
  --bg: #08090d;
  --bg-card: #0f1117;
  --bg-feed: #0a0c11;
  --fg: #e8e9f0;
  --fg-muted: #7a7d8e;
  --accent: #ff4d1c;
  --accent-glow: rgba(255, 77, 28, 0.15);
  --step-num: #ff4d1c;
  --border: #1c1f2e;
  --feed-border: #1a1d28;
  --feed-active: #1e2029;
}

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

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

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 9, 13, 0.92);
  backdrop-filter: blur(16px);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}

/* ===== SECTION UTILITIES ===== */
.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.section-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-top: 16px;
  max-width: 560px;
}

/* ===== HERO ===== */
.hero {
  padding: 80px 32px 80px;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: var(--accent-glow);
  border: 1px solid rgba(255, 77, 28, 0.25);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 4px;
  margin-bottom: 28px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 440px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
}
.stat {}
.stat-value {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ===== AGENT FEED ===== */
.agent-feed {
  background: var(--bg-feed);
  border: 1px solid var(--feed-border);
  border-radius: 14px;
  overflow: hidden;
  font-size: 0.82rem;
}
.feed-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--feed-border);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.feed-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fg-muted);
}
.feed-dot.active {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.feed-title {
  color: var(--fg-muted);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}
.feed-event {
  padding: 14px 18px;
  border-bottom: 1px solid var(--feed-border);
  display: flex;
  gap: 14px;
  align-items: flex-start;
  opacity: 0.85;
}
.feed-event.current {
  background: var(--feed-active);
  opacity: 1;
}
.feed-step {
  font-family: 'Syne', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent);
  width: 22px;
  padding-top: 2px;
  flex-shrink: 0;
}
.feed-action {
  color: var(--fg);
  font-weight: 500;
  margin-bottom: 3px;
}
.feed-meta {
  color: var(--fg-muted);
  font-size: 0.75rem;
}
.feed-footer {
  padding: 12px 18px;
  font-size: 0.72rem;
  color: var(--fg-muted);
  background: var(--bg-card);
  letter-spacing: 0.02em;
}

/* ===== HOW IT WORKS ===== */
.how {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
}
.how-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.how-steps {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}
.how-step {
  padding: 0 28px 0 0;
  border-right: 1px solid var(--border);
}
.how-step:last-child {
  border-right: none;
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 20px;
}
.step-body h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--fg);
}
.step-body p {
  font-size: 0.87rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 32px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.feature-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-card);
  padding: 36px 32px;
}
.feature-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 18px;
}
.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--fg);
}
.feature-card p {
  font-size: 0.87rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== MANIFESTO ===== */
.manifesto {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
}
.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.manifesto-text {
  margin-bottom: 48px;
}
.manifesto-line {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 500;
  line-height: 1.5;
  color: var(--fg-muted);
  max-width: 860px;
}
.manifesto-line.accent {
  color: var(--fg);
  margin-top: 16px;
}
.manifesto-quote {
  border-left: 3px solid var(--accent);
  padding-left: 28px;
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-style: italic;
  font-weight: 500;
  color: var(--fg-muted);
  max-width: 680px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 32px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  text-align: center;
}
.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 28px;
}
.closing-body {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--fg);
  display: block;
  margin-bottom: 6px;
}
.footer-desc {
  font-size: 0.8rem;
  color: var(--fg-muted);
}
.footer-meta {
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-align: right;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-right {
    order: -1;
  }
  .how-steps {
    grid-template-columns: 1fr;
  }
  .how-step {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
  }
  .how-step:last-child { border-bottom: none; }
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .hero { padding: 56px 20px; }
  .how { padding: 72px 20px; }
  .features { padding: 72px 20px; }
  .manifesto { padding: 72px 20px; }
  .closing { padding: 80px 20px; }
  .footer { padding: 32px 20px; }
  .hero-stats { gap: 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer-meta { text-align: center; }
  .nav-inner { padding: 16px 20px; }
  .nav-tagline { display: none; }
}