* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: system-ui, sans-serif; background: #0f172a; color: #e2e8f0; line-height: 1.6; }
a { color: #38bdf8; text-decoration: none; }
nav { display: flex; justify-content: space-between; padding: 20px 8%; }
nav a { margin-left: 20px; }
.hero { padding: 100px 8% 80px; max-width: 800px; }
.hero h1 { font-size: clamp(2.5rem, 7vw, 4rem); }
.hero p { margin: 16px 0 28px; color: #94a3b8; font-size: 1.2rem; }
.btn { background: #38bdf8; color: #0f172a; padding: 12px 24px; border-radius: 8px; font-weight: 600; }
section { padding: 60px 8%; }
h2 { margin-bottom: 24px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card { background: #1e293b; padding: 24px; border-radius: 12px; }
.card p { margin: 8px 0 14px; color: #94a3b8; }
footer { text-align: center; padding: 40px; color: #64748b; }