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

:root {
  --bg: #0D0D0F;
  --fg: #FAFAF8;
  --accent: #C8FF3E;
  --accent-dim: rgba(200, 255, 62, 0.12);
  --muted: #6B6B70;
  --border: rgba(250, 250, 248, 0.08);
  --card-bg: rgba(255,255,255,0.03);
  --font-head: 'Syne', sans-serif;
  --font-body: 'Instrument Sans', sans-serif;
  --radius: 4px;
  --radius-lg: 12px;
}

html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--font-body);
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  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: 0.4; }
}

/* === SECTION SHARED === */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 32px;
}
.section-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-family: var(--font-head);
}
.section-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}

/* === HERO === */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 96px;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, rgba(0,0,0,0.6) 0%, transparent 100%);
}
.hero-inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-family: var(--font-head);
}
.hero-headline {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1rem;
  color: #A8A8AF;
  line-height: 1.7;
  max-width: 420px;
}

/* Stats card */
.stats-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
}
.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.stat-row:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}
.stat-value {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 4px;
}

/* Agent trace */
.agent-trace {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}
.trace-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  font-family: var(--font-head);
}
.trace-lines { display: flex; flex-direction: column; gap: 10px; }
.trace-line {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 0.78rem;
}
.trace-time {
  color: var(--muted);
  font-size: 0.68rem;
  min-width: 46px;
  flex-shrink: 0;
}
.trace-action { color: var(--fg); opacity: 0.7; }

/* === PROCESS === */
.process { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 48px;
}
.step {
  flex: 1;
  padding: 24px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.step-connector {
  width: 32px;
  flex-shrink: 0;
  align-self: center;
  height: 1px;
  background: linear-gradient(90deg, var(--border), var(--accent), var(--border));
  margin: 0 4px;
}
.step-num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.step-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.step-desc { font-size: 0.82rem; color: var(--muted); line-height: 1.6; }

/* === LOOP === */
.loop { background: rgba(200,255,62,0.02); border-bottom: 1px solid var(--border); }
.loop-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.loop-desc {
  font-size: 0.92rem;
  color: #A8A8AF;
  line-height: 1.7;
  margin-bottom: 32px;
}
.loop-features { display: flex; flex-direction: column; gap: 14px; }
.lf-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--fg);
}
.lf-icon { color: var(--accent); font-size: 0.75rem; }

/* Orbit visual */
.loop-visual {
  position: relative;
  width: 340px;
  height: 340px;
  margin: 0 auto;
}
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.ring-1 { inset: 0; }
.ring-2 { inset: 40px; }
.ring-3 { inset: 80px; border-color: rgba(200,255,62,0.15); }
.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  background: var(--accent-dim);
  border: 1px solid rgba(200,255,62,0.3);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.orbit-label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--accent);
}
.orbit-sub {
  font-size: 0.65rem;
  color: var(--muted);
}
.orbit-node {
  position: absolute;
  font-size: 0.7rem;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--fg);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 6px 12px;
  white-space: nowrap;
}
.node-1 { top: 20px; left: 50%; transform: translateX(-50%); }
.node-2 { top: 50%; right: 10px; transform: translateY(-50%); }
.node-3 { bottom: 20px; left: 50%; transform: translateX(-50%); }
.node-4 { top: 50%; left: 10px; transform: translateY(-50%); }

/* === MANIFESTO === */
.manifesto { border-bottom: 1px solid var(--border); }
.manifesto-block {
  margin-bottom: 40px;
  padding: 40px;
  border-left: 3px solid var(--accent);
  background: var(--card-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.manifesto-quote {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--fg);
  line-height: 1.5;
  letter-spacing: -0.02em;
  font-style: italic;
}
.manifesto-body {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.manifesto-body p {
  font-size: 0.92rem;
  color: #A8A8AF;
  line-height: 1.75;
}

/* === CLOSING === */
.closing {
  background: linear-gradient(180deg, var(--bg) 0%, rgba(200,255,62,0.04) 100%);
  border-bottom: 1px solid var(--border);
}
.closing-headline {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 16px;
}
.closing-sub {
  font-size: 1rem;
  color: var(--muted);
}

/* === FOOTER === */
.footer { padding: 48px 32px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--fg);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.footer-tagline { font-size: 0.82rem; color: var(--muted); margin-bottom: 16px; }
.footer-copy { font-size: 0.72rem; color: #444447; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { display: none; }
  .process-steps { flex-direction: column; gap: 12px; }
  .step-connector { display: none; }
  .loop-content { grid-template-columns: 1fr; }
  .loop-visual { display: none; }
  .section-inner { padding: 64px 20px; }
  .nav { padding: 0 20px; }
  .footer { padding: 40px 20px; }
}