:root{
  --bg:#0b0d12; --bg-soft:#12151d; --panel:#161a24; --panel-2:#1b2030;
  --border:#262d3d; --text:#e7eaf0; --muted:#9aa3b2; --brand:#6366f1;
  --brand-2:#22d3ee; --accent:#34d399; --danger:#f87171; --warn:#fbbf24;
  --radius:14px; --maxw:1120px;
}
[data-theme="light"]{
  --bg:#f7f8fb; --bg-soft:#ffffff; --panel:#ffffff; --panel-2:#f1f3f8;
  --border:#e3e7ef; --text:#161a24; --muted:#5a6678; --brand:#5b5ff0;
  --brand-2:#0891b2; --accent:#059669; --danger:#dc2626; --warn:#d97706;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
  background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--border)}
.nav-in{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px}
.logo{width:28px;height:28px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:15px}
.nav-links{display:flex;gap:20px;margin-left:auto;align-items:center}
.nav-links a{color:var(--muted);font-size:14px;font-weight:500}
.nav-links a:hover{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:10px 18px;border-radius:10px;font-weight:600;font-size:14px;cursor:pointer;
  border:1px solid var(--border);background:var(--panel-2);color:var(--text);transition:.15s}
.btn:hover{border-color:var(--brand);transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:none}
.btn-primary:hover{filter:brightness(1.08)}
.btn-sm{padding:7px 12px;font-size:13px}
.btn-ghost{background:transparent}
.icon-btn{background:transparent;border:1px solid var(--border);width:40px;height:40px;border-radius:10px;
  cursor:pointer;color:var(--text);font-size:16px;display:grid;place-items:center}
.hero{padding:96px 0 64px;text-align:center}
.pill{display:inline-flex;gap:8px;align-items:center;padding:6px 14px;border-radius:999px;
  border:1px solid var(--border);background:var(--panel);color:var(--muted);font-size:13px;font-weight:600;margin-bottom:24px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
h1{font-size:clamp(34px,5.5vw,60px);line-height:1.05;margin:0 0 18px;letter-spacing:-.02em;font-weight:800}
.grad{background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(17px,2.4vw,21px);color:var(--muted);max-width:680px;margin:0 auto 32px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.code-card{max-width:760px;margin:48px auto 0;text-align:left;background:var(--panel);
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.code-head{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--border);
  background:var(--panel-2);font-size:13px;color:var(--muted)}
.code-head .lights{display:flex;gap:6px;margin-right:8px}
.code-head .lights i{width:11px;height:11px;border-radius:50%}
pre{margin:0;padding:18px 20px;overflow:auto;font:13.5px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text)}
.tok-k{color:var(--brand-2)} .tok-s{color:var(--accent)} .tok-c{color:var(--muted)}
section{padding:64px 0}
.sec-title{text-align:center;font-size:clamp(26px,3.5vw,38px);font-weight:800;margin:0 0 10px;letter-spacing:-.02em}
.sec-sub{text-align:center;color:var(--muted);max-width:560px;margin:0 auto 44px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.card h3{margin:14px 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.feat-ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:20px;
  background:color-mix(in srgb,var(--brand) 18%,transparent)}
.price-grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr);align-items:stretch}
.price{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:30px;display:flex;flex-direction:column}
.price.popular{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),0 20px 60px -30px var(--brand)}
.price .tag{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--brand)}
.price .amt{font-size:42px;font-weight:800;margin:8px 0 2px}
.price .amt small{font-size:15px;color:var(--muted);font-weight:500}
.price .inr{color:var(--muted);font-size:13px;margin-bottom:18px}
.price ul{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:11px}
.price li{display:flex;gap:10px;font-size:14.5px;color:var(--text)}
.price li::before{content:"✓";color:var(--accent);font-weight:800}
.price .btn{margin-top:auto;width:100%}
footer{border-top:1px solid var(--border);padding:40px 0;color:var(--muted);font-size:14px}
.foot-in{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a:hover{color:var(--text)}
/* forms / auth */
.auth-wrap{max-width:420px;margin:60px auto;padding:0 20px}
.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:34px}
.auth-card h2{margin:0 0 6px;font-size:24px}
.auth-card .sub{color:var(--muted);font-size:14px;margin-bottom:22px}
label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px}
input,select,textarea{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg-soft);color:var(--text);font-size:14.5px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.err{background:color-mix(in srgb,var(--danger) 14%,transparent);border:1px solid var(--danger);
  color:var(--danger);padding:10px 13px;border-radius:10px;font-size:13.5px;margin-bottom:14px}
.ok{background:color-mix(in srgb,var(--accent) 14%,transparent);border:1px solid var(--accent);
  color:var(--accent);padding:10px 13px;border-radius:10px;font-size:13.5px;margin-bottom:14px}
/* dashboard */
.dash{padding:36px 0 80px}
.dash-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:8px;flex-wrap:wrap}
.dash-head h1{font-size:28px;margin:0}
.usage{display:flex;gap:14px;flex-wrap:wrap;margin:18px 0 28px}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px 20px;min-width:150px}
.stat .n{font-size:26px;font-weight:800}
.stat .l{font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px;margin-bottom:22px}
.panel h2{margin:0 0 4px;font-size:18px}
.panel .hint{color:var(--muted);font-size:13.5px;margin:0 0 18px}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.mono{font-family:ui-monospace,Menlo,monospace;font-size:12.5px}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:700}
.b-ok{background:color-mix(in srgb,var(--accent) 18%,transparent);color:var(--accent)}
.b-deny{background:color-mix(in srgb,var(--danger) 18%,transparent);color:var(--danger)}
.b-warn{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}
.snippet{background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:14px;position:relative}
.snippet pre{padding:0;font-size:12.5px;white-space:pre-wrap;word-break:break-all}
.copy{position:absolute;top:10px;right:10px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.row > div{flex:1;min-width:160px}
.muted{color:var(--muted)} .small{font-size:13px} .center{text-align:center}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--accent);color:#04130c;
  padding:11px 18px;border-radius:10px;font-weight:600;font-size:14px;opacity:0;transition:.25s;pointer-events:none;z-index:99}
.toast.show{opacity:1}
@media(max-width:820px){.grid,.price-grid{grid-template-columns:1fr}.nav-links a.hide-sm{display:none}}