:root {
  --bg: #0a0f1a;
  --bg-surface: #111827;
  --bg-elevated: #1a2332;
  --fg: #e8ecf1;
  --fg-muted: #8b95a5;
  --accent: #38bdf8;
  --accent-warm: #f59e0b;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

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

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 6vw 80px;
  position: relative;
}

.hero-grid {
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.15);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: #fff;
}

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

.hero-accent {
  position: absolute;
  top: 0;
  right: 6vw;
  height: 100%;
  display: flex;
  gap: 12px;
  opacity: 0.15;
}

.accent-line {
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--accent), var(--accent-warm), transparent);
}

.accent-line:nth-child(2) {
  height: 70%;
  margin-top: 15%;
}

.accent-line:nth-child(3) {
  height: 50%;
  margin-top: 25%;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 6vw;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent-warm);
  text-transform: uppercase;
}

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

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  margin-top: 12px;
  letter-spacing: -0.02em;
  color: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(56, 189, 248, 0.2);
}

.feature-card-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);
  border-color: rgba(56, 189, 248, 0.1);
}

.feature-icon {
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #fff;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== STATS ===== */
.stats {
  padding: 80px 6vw;
}

.stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  max-width: 900px;
  margin: 0 auto;
}

.stat-block {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.stat-divider {
  width: 1px;
  height: 80px;
  background: var(--border);
  flex-shrink: 0;
}

/* ===== CLOSING ===== */
.closing {
  padding: 100px 6vw 120px;
}

.closing-inner {
  max-width: 720px;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: #fff;
  margin-top: 16px;
  margin-bottom: 24px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 40px;
}

.closing-cta {
  display: inline-block;
  background: var(--accent);
  color: #0a0f1a;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 0.2s;
}

.closing-cta:hover { opacity: 0.85; }

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 6vw;
  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-weight: 600;
  font-size: 0.95rem;
  color: #fff;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-style: italic;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 100px 24px 60px;
  }

  .hero-accent {
    display: none;
  }

  .features {
    padding: 60px 24px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-card-large {
    grid-column: span 1;
  }

  .feature-card {
    padding: 28px 24px;
  }

  .stats {
    padding: 60px 24px;
  }

  .stats-inner {
    flex-direction: column;
    gap: 40px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .closing {
    padding: 60px 24px 80px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}