:root {
  --bg: #0d0d12;
  --surface: #141418;
  --border: #24242e;
  --fg: #f0f0f5;
  --muted: #6b6b80;
  --accent: #b8ff57;
  --accent-dim: rgba(184, 255, 87, 0.12);
  --green: #00c97a;
  --amber: #f5a623;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 20px;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
  color: var(--fg);
}
.nav-tagline {
  font-size: 13px;
  color: var(--muted);
  font-weight: 300;
}

/* HERO */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 48px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-lede {
  font-size: 18px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 480px;
  font-weight: 300;
}

/* Agent Visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.agent-pulse {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}
.agent-core {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  z-index: 1;
  position: relative;
}
.pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  animation: pulse-out 3s ease-out infinite;
}
.pulse-ring-1 { width: 52px; height: 52px; animation-delay: 0s; }
.pulse-ring-2 { width: 52px; height: 52px; animation-delay: 1s; }
.pulse-ring-3 { width: 52px; height: 52px; animation-delay: 2s; }

@keyframes pulse-out {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.8); opacity: 0; }
}

.status-labels {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-green  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot-amber   { background: var(--amber); box-shadow: 0 0 6px var(--amber); }
.dot-muted   { background: var(--border); }

/* WHAT IT DOES */
.what-it-does {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}
.section-header {
  max-width: 1200px;
  margin: 0 auto 56px;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  font-weight: 300;
  line-height: 1.65;
}
.feature-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-item {
  background: var(--surface);
  padding: 40px 36px;
}
.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(184, 255, 87, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-name {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.feature-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  font-weight: 300;
}

/* HOW IT WORKS */
.how-it-works {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.process-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}
.process-step { padding: 0 8px; }
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}
.process-step h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.process-step p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  font-weight: 300;
}
.process-arrow {
  color: var(--border);
  flex-shrink: 0;
}

/* MANIFESTO */
.manifesto {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
  text-align: center;
}
.manifesto-quote {
  font-family: 'Syne', sans-serif;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.5px;
  max-width: 860px;
  margin: 0 auto 28px;
  color: var(--fg);
}
.manifesto-sub {
  font-size: 15px;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto;
  font-weight: 300;
  line-height: 1.65;
}

/* CLOSING */
.closing {
  padding: 96px 48px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 24px;
}
.closing-body {
  font-size: 18px;
  color: var(--muted);
  font-weight: 300;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.65;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 48px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 15px;
  color: var(--fg);
}
.footer-copy {
  font-size: 13px;
  color: var(--muted);
  font-weight: 300;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav, .what-it-does, .how-it-works, .manifesto, .closing, .footer { padding-left: 24px; padding-right: 24px; }
  .hero { padding: 60px 24px 56px; grid-template-columns: 1fr; gap: 48px; }
  .feature-grid { grid-template-columns: 1fr; }
  .process-strip { grid-template-columns: 1fr; gap: 16px; }
  .process-arrow { display: none; }
  .manifesto, .closing { text-align: left; }
  .manifesto-quote { text-align: left; }
  .closing-body { margin: 0; }
  .nav-tagline { display: none; }
}