:root {
  --bg: #0b0e14;
  --surface: #131720;
  --surface2: #1a2030;
  --fg: #f0f4f8;
  --fg-muted: #8892a4;
  --accent: #06b6d4;
  --accent-glow: rgba(6,182,212,0.18);
  --gold: #f59e0b;
  --border: rgba(255,255,255,0.07);
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

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

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,14,20,0.85);
  backdrop-filter: blur(12px);
}
.nav-brand {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--fg);
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}
.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px 80px 80px;
  position: relative;
  z-index: 2;
}
.hero-label {
  display: inline-block;
  font-family: 'Sora', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(6,182,212,0.3);
  padding: 6px 14px;
  border-radius: 99px;
  width: fit-content;
  margin-bottom: 28px;
  background: rgba(6,182,212,0.07);
}
.hero-headline {
  font-family: 'Sora', sans-serif;
  font-size: clamp(36px, 4vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -1.5px;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-accent {
  color: var(--accent);
  display: block;
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 420px;
  margin-bottom: 48px;
}
.hero-visual {
  display: flex;
  align-items: center;
  gap: 28px;
}
.doc-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.doc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 200px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  animation: float 6s ease-in-out infinite;
}
.doc-card-1 { animation-delay: 0s; }
.doc-card-2 { animation-delay: 1.5s; }
.doc-card-3 { animation-delay: 3s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.doc-icon { font-size: 20px; }
.doc-meta { font-size: 13px; color: var(--fg-muted); font-family: 'Sora', sans-serif; }
.doc-status {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 99px;
  margin-left: auto;
}
.done { background: rgba(6,182,212,0.15); color: var(--accent); }
.processing { background: rgba(245,158,11,0.15); color: var(--gold); }

.ai-orb {
  width: 56px;
  height: 56px;
  position: relative;
  flex-shrink: 0;
}
.orb-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}
.orb-core {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 20px var(--accent);
}

.hero-bg-image {
  position: relative;
  overflow: hidden;
}
.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: brightness(0.6) saturate(0.8);
}

/* HOW IT WORKS */
.howitworks {
  padding: 100px 80px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.section-label {
  font-family: 'Sora', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: 'Sora', sans-serif;
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 64px;
}
.pipeline {
  display: flex;
  align-items: center;
  gap: 32px;
}
.pipeline-step {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.step-num {
  font-family: 'Sora', sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 12px;
}
.step-title {
  font-family: 'Sora', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.step-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}
.pipeline-arrow {
  font-size: 28px;
  color: var(--fg-muted);
  flex-shrink: 0;
}

/* FEATURES */
.features {
  padding: 100px 80px;
  border-top: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.feature-card {
  background: var(--surface);
  padding: 36px 32px;
}
.feature-primary {
  grid-column: span 1;
}
.feature-card h3 {
  font-family: 'Sora', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}
.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}

/* VISION */
.vision {
  padding: 100px 80px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.vision-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.vision-image-wrap {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.vision-image-wrap img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  filter: brightness(0.85) saturate(0.9);
}
.vision-text .section-headline {
  margin-bottom: 28px;
}
.vision-text p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* FOOTER */
.footer {
  padding: 48px 80px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
.footer-brand {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--fg);
  margin-bottom: 4px;
}
.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
}
.footer-copy {
  font-size: 12px;
  color: rgba(136,146,164,0.5);
  margin-top: 12px;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .nav { padding: 16px 24px; }
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-content { padding: 60px 24px; }
  .hero-bg-image { display: none; }
  .howitworks, .features, .vision { padding: 60px 24px; }
  .pipeline { flex-direction: column; gap: 16px; }
  .pipeline-arrow { transform: rotate(90deg); }
  .features-grid { grid-template-columns: 1fr; }
  .vision-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer { padding: 40px 24px; }
}