*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,'Noto Sans',sans-serif;line-height:1.6;color:#0f172a;background:#ffffff}
.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#ffffffd9;backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid #e5e7eb}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:#0f172a;font-weight:700}
#nav{display:flex;gap:16px}
#nav a{color:#334155;text-decoration:none;padding:8px 10px;border-radius:10px}
#nav a:hover{background:#f1f5f9}
#menuBtn{display:none;border:0;background:transparent;font-size:22px}
.hero{padding:80px 20px;max-width:1100px;margin:0 auto;text-align:center}
.hero h1{font-size:clamp(28px,4vw,44px);margin:0 0 12px}
.highlight{background:linear-gradient(90deg,#22d3ee,#6366f1,#f97316);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta{display:flex;gap:12px;justify-content:center;margin-top:16px}
.btn{padding:10px 16px;border-radius:999px;border:1px solid #e2e8f0;text-decoration:none;display:inline-block}
.btn.primary{background:#0ea5e9;color:#fff;border-color:#0ea5e9}
.btn.ghost{background:#fff;color:#0f172a}
.cards{padding:40px 20px;max-width:1100px;margin:0 auto}
.cards .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{padding:18px;border:1px solid #e5e7eb;border-radius:16px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.feature{padding:40px 20px;max-width:900px;margin:0 auto}
.bullets{list-style:disc;padding-left:20px}
.strip{padding:40px 20px;background:#f8fafc}
.tags{display:flex;gap:10px;flex-wrap:wrap}
.tags span{padding:8px 12px;border-radius:999px;border:1px solid #e2e8f0;background:#fff}
.contact{padding:40px 20px;max-width:760px;margin:0 auto}
.contact form{display:flex;flex-direction:column;gap:12px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.site-footer{padding:24px 20px;border-top:1px solid #e5e7eb;text-align:center;color:#475569}
@media (max-width:900px){.cards .grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){#nav{display:none;position:absolute;right:12px;top:56px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;padding:8px;min-width:180px}.row{grid-template-columns:1fr}#menuBtn{display:block}}