:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --bg: #0f172a;
  --card-bg: #1e293b;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --border: #334155;
  --accent: #38bdf8;
  --green: #22c55e;
}
* { margin: 0; padding: 0; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body { background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; }
header { background: rgba(30, 41, 59, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.nav-container { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; }
.logo { font-size: 1.25rem; font-weight: 700; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 1.75rem; list-style: none; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
main { flex: 1; max-width: 1100px; margin: 0 auto; width: 100%; padding: 3rem 1.5rem; }
.hero { text-align: center; padding: 3.5rem 1rem; }
.hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; letter-spacing: -0.03em; }
.hero p { font-size: 1.1rem; color: var(--text-muted); max-width: 650px; margin: 0 auto 2rem; }
.btn { display: inline-block; background: var(--primary); color: #fff; padding: 0.75rem 1.75rem; border-radius: 8px; font-weight: 600; text-decoration: none; transition: background 0.2s; border: none; cursor: pointer; }
.btn:hover { background: var(--primary-hover); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: transparent; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 2rem; transition: transform 0.2s, border-color 0.2s; }
.card:hover { transform: translateY(-4px); border-color: var(--accent); }
.card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; color: var(--text); }
.card p { color: var(--text-muted); font-size: 0.95rem; }
.badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(56, 189, 248, 0.1); border: 1px solid rgba(56, 189, 248, 0.2); color: var(--accent); padding: 0.35rem 0.85rem; border-radius: 9999px; font-size: 0.85rem; margin-bottom: 1.25rem; }
footer { background: var(--card-bg); border-top: 1px solid var(--border); padding: 2rem 1.5rem; margin-top: 3rem; }
.footer-container { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; color: var(--text-muted); font-size: 0.875rem; }
footer a { color: var(--text-muted); text-decoration: none; margin-left: 1rem; }
footer a:hover { color: var(--accent); }
form { display: flex; flex-direction: column; gap: 1.25rem; max-width: 550px; background: var(--card-bg); padding: 2rem; border-radius: 12px; border: 1px solid var(--border); }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
input, textarea { background: var(--bg); border: 1px solid var(--border); padding: 0.75rem 1rem; border-radius: 6px; color: var(--text); font-size: 0.95rem; }
input:focus, textarea:focus { outline: none; border-color: var(--accent); }