:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1424;
  --bg-card: #141a2e;
  --fg-primary: #e8eaf0;
  --fg-secondary: #8b90a0;
  --fg-muted: #4a4f62;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --accent-glow: rgba(0, 212, 170, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 10% 100px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 28px;
}

.accent {
  color: var(--accent);
}

.lede {
  font-size: 19px;
  color: var(--fg-secondary);
  max-width: 560px;
  line-height: 1.7;
}

/* Hero visualization */
.hero-viz {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
}

.data-node {
  position: absolute;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

.data-node.n1 { width: 120px; height: 120px; top: 20%; left: 30%; animation: pulse 4s ease-in-out infinite; }
.data-node.n2 { width: 80px; height: 80px; top: 55%; left: 10%; animation: pulse 4s ease-in-out 1s infinite; }
.data-node.n3 { width: 60px; height: 60px; top: 40%; right: 10%; animation: pulse 4s ease-in-out 2s infinite; }

.data-line {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}

.data-line.l1 { width: 180px; top: 38%; left: 15%; transform: rotate(-15deg); animation: flicker 3s ease-in-out infinite; }
.data-line.l2 { width: 140px; top: 58%; left: 35%; transform: rotate(25deg); animation: flicker 3s ease-in-out 1.5s infinite; }
.data-line.l3 { width: 100px; top: 30%; right: 15%; transform: rotate(-40deg); animation: flicker 3s ease-in-out 0.8s infinite; }

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.08); opacity: 1; }
}

@keyframes flicker {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.6; }
}

/* --- PILLARS --- */
.pillars {
  padding: 120px 10%;
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 56px;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.pillar {
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-secondary);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.pillar:hover {
  border-color: rgba(0, 212, 170, 0.3);
  background: var(--bg-card);
}

.pillar-number {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-muted);
  margin-bottom: 24px;
}

.pillar h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.pillar p {
  color: var(--fg-secondary);
  font-size: 15px;
  line-height: 1.7;
}

/* --- VERTICALS --- */
.verticals {
  padding: 120px 10%;
  border-top: 1px solid var(--border);
}

.verticals-content {
  max-width: 800px;
}

.verticals h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 40px;
}

.vertical-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.tag {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 10px 20px;
  border: 1px solid rgba(0, 212, 170, 0.3);
  border-radius: 100px;
  color: var(--accent);
  background: var(--accent-dim);
}

.verticals-desc {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.75;
  max-width: 640px;
}

/* --- EDGE (Stats) --- */
.edge {
  padding: 100px 10%;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.edge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.edge-block {
  text-align: center;
  padding: 40px 20px;
}

.edge-stat {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -2px;
  margin-bottom: 8px;
}

.edge-label {
  font-size: 14px;
  color: var(--fg-secondary);
  letter-spacing: 0.5px;
}

/* --- CLOSING --- */
.closing {
  padding: 140px 10%;
  text-align: center;
  border-top: 1px solid var(--border);
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  max-width: 900px;
  margin: 0 auto 28px;
}

.closing-sub {
  font-size: 18px;
  color: var(--fg-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.75;
}

/* --- FOOTER --- */
.site-footer {
  padding: 60px 10%;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .hero-viz { display: none; }
  .pillars-grid { grid-template-columns: 1fr; gap: 24px; }
  .edge-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .hero { padding: 80px 6% 60px; min-height: auto; }
  .pillars, .verticals, .edge, .closing { padding: 80px 6%; }
  .hero h1 { letter-spacing: -1px; }
  .edge-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .edge-block { padding: 24px 12px; }
  .edge-stat { font-size: 36px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .vertical-tags { gap: 8px; }
  .tag { font-size: 12px; padding: 8px 14px; }
}