:root { --bg:#0e1116; --panel:#161b22; --fg:#e6edf3; --muted:#9aa7b4; --accent:#3fb6a8; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--fg); line-height: 1.6; }
.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }
.site-header { border-bottom: 1px solid #21262d; padding: 18px 0; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.brand { font-size: 20px; font-weight: 700; color: var(--fg); text-decoration: none; }
.brand-dot { color: var(--accent); }
.site-nav a { color: var(--muted); text-decoration: none; margin-left: 22px; font-size: 14px; }
.site-nav a:hover { color: var(--fg); }
.hero { padding: 96px 0 72px; }
.hero h1 { font-size: 44px; line-height: 1.15; letter-spacing: -0.5px; }
.hero-sub { color: var(--muted); font-size: 18px; max-width: 620px; margin-top: 18px; }
.cta { display: inline-block; margin-top: 28px; background: var(--accent); color: #06120f; font-weight: 600; padding: 12px 22px; border-radius: 8px; text-decoration: none; }
.features { padding: 48px 0; border-top: 1px solid #21262d; }
.features .container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature { background: var(--panel); border: 1px solid #21262d; border-radius: 10px; padding: 22px; }
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 14px; }
.contact { padding: 64px 0; border-top: 1px solid #21262d; }
.contact h2 { font-size: 26px; margin-bottom: 10px; }
.contact a { color: var(--accent); }
.site-footer { border-top: 1px solid #21262d; padding: 24px 0; color: var(--muted); font-size: 13px; }
@media (max-width: 720px) { .features .container { grid-template-columns: 1fr; } .hero h1 { font-size: 34px; } }