/* Color palette */
:root{
  --brand:#EC1C25;
  --black:#000000;
  --text:#0f0f10;
  --muted:#6b6f76;
  --bg:#ffffff;
  --card:#0b0b0c;
}

/* Reset & base */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}

.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:16px;top:16px;width:auto;height:auto;background:#fff;padding:8px 12px;border:1px solid #ddd;z-index:1000}

.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--black);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand img{filter:none}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:22px}
.nav-menu{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav a{color:#d9dadd}
.nav a:hover{color:#fff}
.actions{display:flex;gap:10px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:10px;border:1px solid transparent;font-weight:600;transition:.2s background,.2s color,.2s border}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{filter:brightness(.95)}
.btn.secondary{background:#101113;color:#fff;border-color:#222}
.btn.secondary:hover{border-color:#333}
.btn.ghost{background:transparent;border-color:#2b2d31;color:#fff}
.btn.ghost:hover{border-color:#3a3d42}

/* Hero */
.hero{background:linear-gradient(180deg,#0a0b0c 0%,#0f1012 100%);color:#fff;padding:72px 0}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:48px;line-height:1.1;margin:0 0 14px}
.accent{color:var(--brand)}
.partner{opacity:.7;margin-top:12px}

/* Features */
.features{background:#0e0f11;color:#eef0f3;padding:40px 0}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:#111317;border:1px solid #1b1e24;border-radius:14px;padding:18px}
.card h3{margin:0 0 6px;font-size:18px;color:#fff}
.card p{margin:0;color:#c2c6cc}

/* Products */
.products{padding:56px 0}
.products h2{margin:0 0 14px;font-size:32px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{border:1px solid #e9eaee;border-radius:14px;padding:18px;background:#fff}
.tile h3{margin:0 0 6px;font-size:18px}
.tile p{margin:0;color:#5a5f66}

/* Platforms */
.platforms{padding:56px 0;background:#0f1114;color:#eef0f3}
.platforms h2{margin:0 0 10px}

/* Accounts */
.accounts{padding:56px 0}
.plan{border:1px solid #e9eaee;border-radius:14px;padding:18px;background:#fff}
.plan.featured{border-color:var(--brand);box-shadow:0 0 0 2px rgba(236,28,37,.15)}

/* Security */
.security{padding:56px 0;background:#0e0f11;color:#eef0f3}
.bullets{margin:0;padding-left:18px}
.bullets li{margin:6px 0}

/* CTA Wide */
.cta-wide{padding:46px 0;background:linear-gradient(180deg,#0a0b0c 0%,#0f1012 100%);color:#fff}
.row{display:flex;align-items:center;justify-content:space-between;gap:16px}

/* Footer */
.site-footer{background:#0a0b0c;color:#c9cdd3;padding:40px 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.footer-grid h4{color:#fff;margin:0 0 8px}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid a{color:#d9dadd}
.footer-grid a:hover{color:#fff}
.legal{border-top:1px solid #14161a;margin-top:20px;padding-top:16px}
.risk{opacity:.8}

/* Responsive */
@media (max-width: 960px){
  .hero-inner{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .nav-toggle{display:inline-flex}
  .nav-menu{display:none;position:absolute;right:20px;top:56px;background:#0a0b0c;border:1px solid #16181d;border-radius:12px;padding:10px;flex-direction:column;min-width:200px}
  .nav-menu.open{display:flex}
  .header-inner{padding:12px 0}
  .hero{padding:56px 0}
  .hero h1{font-size:36px}
  .grid-4,.grid-3,.footer-grid{grid-template-columns:1fr}
  .row{flex-direction:column;align-items:flex-start}
}