:root {
  --bg: #0a0f1a;
  --bg-elevated: #111827;
  --bg-card: #151d2e;
  --fg: #e8ecf4;
  --fg-dim: #8892a8;
  --fg-muted: #5a6478;
  --accent: #34d399;
  --accent-dim: #059669;
  --accent-glow: rgba(52, 211, 153, 0.15);
  --warm: #fbbf24;
  --danger: #f87171;
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(136, 146, 168, 0.1);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  color: var(--accent);
  font-size: 22px;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.5px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

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

.hero-lede {
  font-size: 19px;
  color: var(--fg-dim);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 56px;
}

/* Terminal visual */
.hero-visual {
  max-width: 600px;
}

.terminal {
  background: var(--bg-elevated);
  border: 1px solid rgba(136, 146, 168, 0.15);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-bar {
  padding: 12px 16px;
  display: flex;
  gap: 8px;
  border-bottom: 1px solid rgba(136, 146, 168, 0.1);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #f87171; }
.dot-yellow { background: #fbbf24; }
.dot-green { background: #34d399; }

.terminal-body {
  padding: 20px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 14px;
  line-height: 2;
}

.terminal-line { color: var(--fg); }
.t-dim { color: var(--fg-muted); }
.t-cmd { color: var(--accent); font-weight: 600; }
.t-file { color: var(--warm); }
.t-output { color: var(--fg-dim); padding-left: 16px; }
.t-success { color: var(--accent); font-weight: 500; }

/* Problem */
.problem {
  padding: 120px 24px;
  border-top: 1px solid rgba(136, 146, 168, 0.08);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

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

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 24px;
}

.problem-statement {
  font-size: 24px;
  line-height: 1.5;
  color: var(--fg);
  margin-bottom: 20px;
}

.problem-statement strong {
  color: var(--warm);
}

.problem-sub {
  color: var(--fg-dim);
  font-size: 16px;
}

.problem-stats {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.stat {
  display: flex;
  flex-direction: column;
  padding-left: 20px;
  border-left: 3px solid var(--accent-dim);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--fg);
  line-height: 1.1;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-dim);
  margin-top: 4px;
}

/* Features */
.features {
  padding: 120px 24px;
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(136, 146, 168, 0.1);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: var(--accent-dim);
}

.feature-card-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(52, 211, 153, 0.05) 100%);
  border-color: rgba(52, 211, 153, 0.2);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.feature-card p {
  color: var(--fg-dim);
  font-size: 15px;
  line-height: 1.6;
}

/* Numbers */
.numbers {
  padding: 120px 24px;
  border-top: 1px solid rgba(136, 146, 168, 0.08);
}

.numbers-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.numbers-tagline {
  font-size: 22px;
  color: var(--fg-dim);
  margin-bottom: 56px;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.number-card {
  display: flex;
  flex-direction: column;
  padding: 40px 32px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid rgba(136, 146, 168, 0.1);
  text-align: center;
}

.number-value {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.number-unit {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 8px;
}

.number-desc {
  font-size: 14px;
  color: var(--fg-muted);
  margin-top: 12px;
}

/* Closing */
.closing {
  padding: 140px 24px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.closing-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 18px;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 20px;
}

.closing-vision {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--accent);
}

/* Footer */
.footer {
  padding: 60px 24px;
  border-top: 1px solid rgba(136, 146, 168, 0.08);
  text-align: center;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}

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

.footer-location {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 6px;
}

/* Responsive */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

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

  .hero {
    min-height: auto;
    padding: 100px 20px 60px;
  }

  .hero-title {
    letter-spacing: -1px;
  }

  .terminal-body {
    font-size: 12px;
  }

  .problem, .features, .numbers, .closing {
    padding: 80px 20px;
  }

  .number-value {
    font-size: 42px;
  }

  .stat-number {
    font-size: 32px;
  }
}