/* VIRALSIG public site — shared styles */
:root{
  --bg:#0e1626;
  --bg-2:#131f33;
  --panel:#182740;
  --ink:#eaf1fb;
  --muted:#9fb2cc;
  --accent:#3bb0f5;
  --accent-2:#5cc6ff;
  --border:#24344f;
  --max:1040px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Header / nav */
.site-header{position:sticky;top:0;z-index:10;background:rgba(14,22,38,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:18px;padding:14px 20px;max-width:var(--max);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.4px;color:var(--ink)}
.brand img{width:32px;height:32px;border-radius:8px;display:block}
.brand span{font-size:18px}
.nav .spacer{flex:1}
.nav a.navlink{color:var(--muted);font-size:14px}
.nav a.navlink:hover{color:var(--ink);text-decoration:none}
.btn{display:inline-block;background:var(--accent);color:#04121f;font-weight:700;padding:10px 18px;border-radius:10px}
.btn:hover{background:var(--accent-2);text-decoration:none}
.btn.secondary{background:transparent;color:var(--ink);border:1px solid var(--border)}

/* Hero */
.hero{padding:76px 0 56px;background:radial-gradient(1200px 400px at 50% -10%,rgba(59,176,245,.14),transparent)}
.hero h1{font-size:44px;line-height:1.12;margin:0 0 16px;letter-spacing:-.5px}
.hero h1 .accent{color:var(--accent-2)}
.hero p.lead{font-size:19px;color:var(--muted);max-width:680px;margin:0 auto 28px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.center{text-align:center}

/* Sections */
section{padding:56px 0;border-top:1px solid var(--border)}
section h2{font-size:28px;margin:0 0 10px;text-align:center}
section .sub{color:var(--muted);text-align:center;max-width:640px;margin:0 auto 36px}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px}
.card h3{margin:0 0 8px;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:15px}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#04121f;font-weight:700;margin-bottom:12px}

/* Footer */
.site-footer{border-top:1px solid var(--border);background:var(--bg-2);padding:34px 0;color:var(--muted);font-size:14px}
.footer-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.footer-row .spacer{flex:1}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--ink)}

/* Legal pages */
.legal-header{display:flex;align-items:center;gap:14px;padding:26px 0 18px;border-bottom:1px solid var(--border);margin-bottom:8px}
.legal-header img{width:48px;height:48px;border-radius:10px}
.legal-header .t{font-weight:700;font-size:20px}
.legal{max-width:820px;margin:0 auto;padding:12px 20px 64px}
.legal h1{font-size:30px;margin:22px 0 4px}
.legal h2{font-size:20px;margin:30px 0 8px;color:var(--ink)}
.legal p,.legal li{color:#d7e2f2}
.legal .updated{color:var(--muted);font-style:italic;margin-top:0}
.legal .todo{background:#3a2a12;border:1px solid #7a5a1e;color:#ffd79a;padding:10px 14px;border-radius:8px;font-size:14px}
.backlink{display:inline-block;margin:18px 0 0;color:var(--accent-2)}

@media(max-width:820px){
  .grid.cols-3,.grid.cols-4{grid-template-columns:1fr 1fr}
  .hero h1{font-size:34px}
  .nav a.navlink{display:none}
}
@media(max-width:520px){
  .grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
}