:root {
  --bg: #08111f;
  --panel: #0f1b2d;
  --panel-2: #13233a;
  --text: #e8eef8;
  --muted: #aab8cc;
  --accent: #65d8ff;
  --accent-2: #8b7dff;
  --line: rgba(255,255,255,0.09);
  --success: #52d273;
}
*{box-sizing:border-box} html,body{margin:0;padding:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#07101d 0%,#0a1526 100%);color:var(--text)}
a{color:inherit;text-decoration:none} img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(7,16,29,.8);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:20px}
.brand{font-weight:800;letter-spacing:.2px}.brand span{color:var(--accent)}
.nav-links{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:14px;border:1px solid var(--line);background:#fff;color:#07101d;font-weight:700;cursor:pointer}
.btn.secondary{background:rgba(255,255,255,.04);color:var(--text)}
.btn.small{padding:10px 14px;font-size:14px}
.hero{padding:72px 0 44px;background:radial-gradient(circle at top left, rgba(101,216,255,.18), transparent 28%), radial-gradient(circle at bottom right, rgba(139,125,255,.14), transparent 26%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
.eyebrow{display:inline-block;padding:7px 12px;border:1px solid rgba(101,216,255,.28);background:rgba(101,216,255,.08);border-radius:999px;color:#bceeff;font-size:13px}
h1{font-size:56px;line-height:1.02;margin:16px 0 14px} h2{font-size:34px;margin:0 0 12px} h3{font-size:22px;margin:0 0 8px}
.lead{font-size:19px;line-height:1.7;color:var(--muted);max-width:760px}
.hero-card,.panel,.card,.output{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:24px}
.hero-card{padding:22px}
.grid-4,.grid-3,.grid-2{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}
.card{padding:22px}.card p,.muted{color:var(--muted);line-height:1.7}
.section{padding:56px 0}.section.alt{background:rgba(255,255,255,.025);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.metric{padding:14px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.025)}
.form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px}.panel{padding:22px}
label{display:block;font-weight:600;font-size:14px;margin:0 0 8px} input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:#0a1526;color:var(--text);font:inherit} textarea{min-height:160px;resize:vertical}
.field{margin-bottom:16px}
.output{padding:22px;min-height:320px;white-space:pre-wrap;line-height:1.65}
.status{display:inline-block;padding:8px 12px;border-radius:999px;font-size:13px;border:1px solid rgba(82,210,115,.28);background:rgba(82,210,115,.08);color:#c8ffd4}
.footer{padding:30px 0;color:var(--muted);font-size:14px}
.list{margin:0;padding-left:18px;color:var(--muted);line-height:1.8}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;background:#09111f;padding:2px 6px;border-radius:8px;border:1px solid var(--line)}
.notice{padding:16px 18px;border-radius:18px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.03);color:var(--muted)}
@media (max-width: 980px){.hero-grid,.form-wrap,.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}h1{font-size:40px}.nav-inner{align-items:flex-start;flex-direction:column}.nav-links{gap:12px}}