/* Minimal, brand-agnostic; adjust colors to match Zypto brand guide */
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#0f172a;background:#0b1020;line-height:1.6}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.row{display:flex;align-items:center;gap:16px}.between{justify-content:space-between}
.accent{color:#4f46e5}
.site-header{position:sticky;top:0;background:rgba(11,16,32,.8);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06);z-index:10}
.site-header .brand{display:flex;flex-direction:column}
.logo{font-weight:800;letter-spacing:.04em;font-size:20px}
.tagline{font-size:12px;color:#94a3b8}
.nav a{color:#cbd5e1;text-decoration:none;margin-left:16px}
.nav a:hover{color:#fff}
.hero{padding:96px 0;background:radial-gradient(1200px 600px at 80% -10%, rgba(79,70,229,.35), rgba(79,70,229,0) 60%)}
.hero h1{font-size:48px;line-height:1.1;margin:0 0 12px;color:#fff}
.lead{color:#cbd5e1;max-width:720px}
.cta-row{display:flex;gap:12px;margin-top:18px}
.btn{display:inline-block;padding:12px 18px;border-radius:14px;text-decoration:none;border:1px solid rgba(255,255,255,.14)}
.btn.primary{background:#4f46e5;color:#fff;border-color:#4f46e5}
.btn.ghost{background:transparent;color:#e2e8f0}
.section{padding:72px 0;background:#0b1020;color:#e2e8f0}
.section.alt{background:#0d1326}
.section h2{margin:0 0 16px;font-size:28px;color:#fff}
.card-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;padding:0;margin:24px 0}
.card{background:#0f172a;border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:16px}
.note{color:#94a3b8;font-size:12px;margin-top:8px}
.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
label{display:block;margin-bottom:8px;color:#cbd5e1}
input[type=number]{width:100%;padding:12px;border-radius:12px;background:#0f172a;color:#e2e8f0;border:1px solid rgba(255,255,255,.12)}
.calc-result{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;background:#0f172a;border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:24px}
.result-number{font-size:40px;font-weight:800;color:#fff}
.muted{color:#94a3b8}
.partners{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-top:8px}
.partner{background:#0f172a;border:1px dashed rgba(255,255,255,.18);border-radius:14px;padding:16px;text-align:center;color:#cbd5e1}
.qr{margin-top:24px;text-align:center}
.qr img{max-width:200px;width:100%;height:auto;border-radius:12px;border:1px solid rgba(255,255,255,.12)}
.site-footer{padding:24px 0;border-top:1px solid rgba(255,255,255,.06);color:#94a3b8}
@media (max-width:800px){.grid.two{grid-template-columns:1fr} .hero h1{font-size:36px}}