:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #6ee7b7;
  --accent-dim: #34d399;
  --accent-glow: rgba(110, 231, 183, 0.15);
  --border: #1e1e2e;
  --border-bright: #2a2a3e;
  --code-bg: #0d0d14;
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1120px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* HERO */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(110, 231, 183, 0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
}

.stat-label {
  font-size: 12px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-bright);
}

/* CODE BLOCK */
.hero-code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13.5px;
  line-height: 1.8;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.code-dots span {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
}

.code-dots span:nth-child(1) { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #febc2e; }
.code-dots span:nth-child(3) { background: #28c840; }

.code-title {
  font-size: 12px;
  color: var(--fg-dim);
}

.hero-code pre {
  padding: 24px;
  overflow-x: auto;
}

.hero-code code {
  color: var(--fg-muted);
}

.code-comment { color: var(--fg-dim); }
.code-keyword { color: #c084fc; }
.code-class { color: var(--accent); }
.code-string { color: #fbbf24; }
.code-prop { color: #60a5fa; }

/* FEATURES */
.features {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
}

.section-header {
  margin-bottom: 48px;
}

.section-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

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

.feature-large {
  grid-column: span 3;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 8px 20px;
  padding: 40px;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(110, 231, 183, 0.03) 100%);
  border-color: var(--border-bright);
}

.feature-large .feature-icon {
  grid-row: span 2;
  font-size: 36px;
  align-self: center;
}

.feature-icon {
  font-size: 24px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* STACK */
.stack {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
}

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

.stack-option {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.stack-cloud {
  border-color: rgba(110, 231, 183, 0.25);
  background: linear-gradient(180deg, rgba(110, 231, 183, 0.04) 0%, var(--bg-card) 100%);
}

.stack-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--fg-dim);
  margin-bottom: 20px;
}

.stack-cloud .stack-badge {
  color: var(--accent);
}

.stack-price {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 8px;
}

.stack-price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--fg-dim);
}

.stack-desc {
  font-size: 15px;
  color: var(--fg-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.stack-cmd {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 24px;
}

.stack-cmd code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--accent);
}

.stack-list {
  list-style: none;
}

.stack-list li {
  font-size: 14px;
  color: var(--fg-muted);
  padding: 8px 0;
  border-top: 1px solid var(--border);
}

.stack-list li::before {
  content: '\2713';
  color: var(--accent);
  margin-right: 10px;
  font-weight: 600;
}

/* CLOSING */
.closing {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 24px;
  text-align: center;
}

.closing-content {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.closing p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-weight: 600;
  font-size: 15px;
}

.footer-tagline {
  font-size: 12px;
  color: var(--fg-dim);
}

.footer-links {
  font-size: 13px;
  color: var(--fg-dim);
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer-sep {
  opacity: 0.3;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 20px 40px;
    gap: 40px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .stat-divider {
    display: none;
  }

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

  .feature-large {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .feature-large .feature-icon {
    grid-row: auto;
  }

  .stack-comparison {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}