:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --surface-hover: #1a1a1a;
  --border: #2a2a2a;
  --text: #e5e5e5;
  --text-muted: #888;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --price: #f0f0f0;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
nav { border-bottom: 1px solid var(--border); padding: 16px 0; }
nav .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 20px; font-weight: 700; color: var(--text); text-decoration: none; }
.logo span { color: var(--accent); }
nav a { color: var(--text-muted); text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--text); }
.hero { text-align: center; padding: 80px 0 60px; }
.hero h1 { font-size: 42px; font-weight: 800; margin-bottom: 16px; }
.hero p { font-size: 18px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }
.products { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; padding: 40px 0 80px; }
.product-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 32px; transition: all 0.2s; }
.product-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.product-tag { display: inline-block; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; padding: 4px 10px; border-radius: 4px; margin-bottom: 16px; background: rgba(59,130,246,0.15); color: var(--accent); }
.product-card h3 { font-size: 20px; margin-bottom: 8px; }
.product-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; min-height: 60px; }
.product-price { font-size: 32px; font-weight: 800; color: var(--price); margin-bottom: 20px; }
.product-price span { font-size: 14px; font-weight: 400; color: var(--text-muted); }
.buy-btn { display: block; width: 100%; padding: 14px; background: var(--accent); color: #fff; border: none; border-radius: 8px; font-size: 16px; font-weight: 600; cursor: pointer; text-align: center; text-decoration: none; transition: background 0.2s; }
.buy-btn:hover { background: var(--accent-hover); }
.features { list-style: none; margin-bottom: 24px; }
.features li { font-size: 13px; color: var(--text-muted); padding: 4px 0; }
.features li::before { content: "✓ "; color: var(--success); font-weight: 600; }
footer { border-top: 1px solid var(--border); padding: 40px 0; text-align: center; color: var(--text-muted); font-size: 13px; }
@media (max-width: 640px) {
  .hero h1 { font-size: 28px; }
  .products { grid-template-columns: 1fr; }
}