:root{--bg1:#f8fafc;--card:#fff;--muted:#6b7280;--primary:#0f766e;--accent:#7c3aed;--shadow:0 6px 20px rgba(2,6,23,0.06);--radius:14px}
*{box-sizing:border-box}html,body{height:100%;margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;color:#0f172a;background:linear-gradient(180deg,var(--bg1),#fff);-webkit-font-smoothing:antialiased}
.container{max-width:1100px;margin:0 auto;padding:1rem}
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,0.7);backdrop-filter:blur(6px);border-bottom:1px solid rgba(15,23,42,0.04)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--primary)}
.brand-badge{background:linear-gradient(90deg,#059669,#0f766e);color:white;padding:8px;border-radius:8px;font-weight:800}
.nav-links{display:flex;gap:12px;align-items:center}
.nav-links a{padding:8px 12px;border-radius:8px;font-weight:500}
.cta{background:white;border:1px solid rgba(15,23,42,0.06);padding:8px 12px;border-radius:8px}
.menu-toggle{display:none;border:0;background:transparent;font-size:20px}
.hero{display:grid;grid-template-columns:1fr;gap:20px;padding:3rem 0;align-items:center}
h1{font-size:28px;margin:0 0 8px 0;line-height:1.05}
.lead{color:var(--muted);margin:0 0 16px 0}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;border:1px solid rgba(2,6,23,0.04)}
.features{display:grid;grid-template-columns:1fr;gap:12px;margin-top:18px}
.snapshot-grid{display:flex;gap:10px}
.snapshot-item{flex:1;background:#fbfdff;padding:10px;border-radius:12px;text-align:center}
.section{margin-top:28px}
.grid-3{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:900px){.hero{grid-template-columns:1fr 1fr}.features{grid-template-columns:repeat(3,1fr)}.grid-3{grid-template-columns:2fr 1fr}.nav-links{display:flex}.menu-toggle{display:none}}
@media(max-width:899px){.nav-links{display:none}.menu-toggle{display:block}}
.footer{margin-top:40px;padding:20px;text-align:center;color:var(--muted);font-size:14px}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;font-weight:600}
.btn-primary{background:linear-gradient(90deg,var(--primary),#059669);color:white}
.btn-outline{border:1px solid rgba(15,23,42,0.06);background:white}
.small-muted{color:var(--muted);font-size:14px}
.leaderboard li{padding:8px 0;border-bottom:1px dashed rgba(15,23,42,0.04)}
.progress{height:8px;background:#f1f5f9;border-radius:999px;overflow:hidden}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));width:40%}
.center{text-align:center}
.pill{display:inline-block;padding:6px 10px;border-radius:999px;background:#f8fafc;font-weight:600;font-size:13px}