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

:root {
  --bg: #080c14;
  --bg-2: #0d1525;
  --bg-card: #0f1a2e;
  --fg: #e2e8f0;
  --fg-muted: #94a3b8;
  --accent: #00e5c3;
  --accent-dim: rgba(0, 229, 195, 0.12);
  --border: rgba(0, 229, 195, 0.12);
  --border-dim: rgba(148, 163, 184, 0.1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

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

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 12, 20, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dim);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  padding: 140px 32px 100px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(38px, 5vw, 64px);
  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(--fg-muted);
  max-width: 440px;
  margin-bottom: 28px;
}

.hero-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  border: 1px solid var(--border-dim);
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--bg-2);
}

/* === HERO GRAPHIC === */
.hero-graphic {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-diagram {
  display: flex;
  align-items: center;
  gap: 0;
}

.flow-node {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 14px;
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  line-height: 1.4;
  min-width: 80px;
}

.flow-node-start { border-color: rgba(0, 229, 195, 0.3); }
.flow-node-agent { border-color: var(--accent); background: var(--accent-dim); color: var(--accent); }
.flow-node-doc { border-color: rgba(0, 229, 195, 0.2); }
.flow-node-done { border-color: rgba(0, 229, 195, 0.4); }

.agent-icon {
  margin-bottom: 8px;
  display: flex;
  justify-content: center;
}

.flow-arrow {
  display: flex;
  align-items: center;
  margin: 0 -2px;
}

/* === MANIFESTO === */
.manifesto {
  background: var(--bg-2);
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
  padding: 60px 32px;
}

.manifesto-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.manifesto-text {
  font-size: clamp(16px, 2.2vw, 21px);
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 800px;
}

.manifesto-highlight {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: clamp(18px, 2.5vw, 26px);
  color: var(--fg);
  border-left: 3px solid var(--accent);
  padding-left: 24px;
}

/* === WORKFLOWS === */
.workflows {
  padding: 100px 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.workflows-header {
  margin-bottom: 60px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 480px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s;
}

.workflow-card:hover {
  border-color: var(--border);
}

.workflow-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.workflow-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 12px;
}

.workflow-card > p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.workflow-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.workflow-list li {
  font-size: 13px;
  color: var(--fg-muted);
  padding-left: 16px;
  position: relative;
}

.workflow-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* === HOW IT WORKS === */
.howitworks {
  padding: 100px 32px;
  background: var(--bg-2);
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

.hiw-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 80px;
  align-items: start;
}

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

.hiw-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border-dim);
}

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

.step-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 32px;
  color: var(--accent);
  opacity: 0.5;
  line-height: 1;
  padding-top: 4px;
}

.step-body h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--fg);
  margin-bottom: 10px;
}

.step-body p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === METRICS === */
.metrics {
  padding: 80px 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
}

.metric-item {
  text-align: center;
  padding: 0 40px;
}

.metric-val {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.metric-label {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
  max-width: 180px;
  margin: 0 auto;
}

.metric-divider {
  width: 1px;
  height: 80px;
  background: var(--border-dim);
}

/* === CLOSING === */
.closing {
  padding: 120px 32px;
  text-align: center;
}

.closing-inner {
  max-width: 760px;
  margin: 0 auto;
}

.closing-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(26px, 4vw, 48px);
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border-dim);
  padding: 40px 32px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
  margin-right: 12px;
}

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

.footer-meta {
  font-size: 12px;
  color: var(--fg-muted);
  opacity: 0.5;
}

/* === CTA BUTTONS === */
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #080c14;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border-dim);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover {
  color: var(--fg);
  border-color: var(--fg-muted);
}

.closing-cta {
  margin-top: 40px;
}

/* === MANIFESTO ALIGNMENT === */
.manifesto-highlight-center {
  text-align: center;
  padding-left: 0;
  border-left: none;
  border-top: 3px solid var(--accent);
  padding-top: 24px;
  margin-top: 8px;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .workflow-grid { grid-template-columns: 1fr; }
  .hiw-grid { grid-template-columns: 1fr; gap: 40px; }
  .metrics-grid { grid-template-columns: 1fr; gap: 40px; }
  .metric-divider { display: none; }
}

@media (max-width: 600px) {
  .hero { padding: 120px 24px 80px; }
  .workflows, .howitworks, .metrics, .closing { padding: 80px 24px; }
  .manifesto { padding: 48px 24px; }
  .footer-inner { flex-direction: column; gap: 12px; align-items: flex-start; }
}