/* ============================
   FILE: /assets/style.css
============================= */
:root{--bg:#0a0b10;--card:#11131a;--muted:#9aa3b2;--text:#e7ecf3;--brand:#4f46e5;--brand2:#7c3aed;--accent:#22c55e;--stroke:#222636;--radius:18px;--shadow:0 0 40px rgba(79,70,229,.35)}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:radial-gradient(1200px 600px at 80% -10%,rgba(79,70,229,.25),transparent 60%),radial-gradient(900px 500px at -10% 20%,rgba(34,197,94,.18),transparent 60%),var(--bg);color:var(--text);font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.card{background:var(--card);border:1px solid var(--stroke);border-radius:var(--radius)}
.btn{display:inline-block;padding:10px 14px;border:1px solid var(--stroke);border-radius:12px;line-height:1}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));border:none;color:#fff;box-shadow:var(--shadow)}
.btn-ghost{background:transparent}
.badge{display:inline-flex;gap:8px;align-items:center;padding:6px 10px;border:1px solid var(--stroke);border-radius:999px;color:#cbd5e1;font-size:13px}

/* Header */
header.autohide{position:sticky;top:0;z-index:50;background:rgba(10,11,16,.65);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid rgba(255,255,255,.06);transition:transform .28s ease}
header.autohide.hide{transform:translateY(-100%)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.logo{display:flex;gap:10px;align-items:center;font-weight:800}
.topnav{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.topnav a{border:1px solid var(--stroke);padding:8px 12px;border-radius:10px}
.topnav a.active{background:#1a1e2c;border-color:#2b2f44}

/* Sections */
section{padding:64px 0}
.h1{font-size:42px;line-height:1.15;margin:14px 0 12px;font-weight:800;text-align:center}
.lead{color:#cbd5e1;font-size:18px;line-height:1.6;text-align:center;margin:0 0 10px}
.center{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

.list-chip{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.list-chip .chip{display:flex;gap:8px;align-items:center;border:1px solid var(--stroke);padding:10px;border-radius:12px;color:#dbe3f1}

/* Forms */
input,select,textarea,button{font-family:inherit}
input,select,textarea{width:100%;background:#0a0d19;border:1px solid var(--stroke);border-radius:12px;padding:12px;color:#e7ecf3;outline:none}
label{font-size:14px;color:#9aa3b2;margin:2px 0 6px;display:block}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* Tables */
table{width:100%;border-collapse:separate;border-spacing:0 10px}
th,td{padding:12px 14px;background:#0e111b;border:1px solid var(--stroke)}
th{background:#121527;color:#e7ecf3;text-align:left}
tr td:first-child, tr th:first-child{border-top-left-radius:10px;border-bottom-left-radius:10px}
tr td:last-child, tr th:last-child{border-top-right-radius:10px;border-bottom-right-radius:10px}

/* Footer */
footer{padding:40px 0 60px;color:var(--muted);border-top:1px solid rgba(255,255,255,.06)}
.foot{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:18px}

/* Responsive */
@media (max-width:980px){
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .h1{font-size:28px}
  .lead{font-size:16px}
  .list-chip{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .topnav a{flex:1 1 calc(50% - 6px);text-align:center}
  form .row{grid-template-columns:1fr}
}