:root{
  --bg:#0b1020;
  --panel:#111a33;
  --muted:#a8b3d1;
  --text:#e9eeff;
  --brand:#7c5cff;
  --brand2:#35d1ff;
  --border:rgba(255,255,255,.12);
  --shadow:0 18px 40px rgba(0,0,0,.35);
  --radius:18px;
  --max:1100px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  background:radial-gradient(1200px 700px at 25% 15%, rgba(124,92,255,.35), transparent 60%),
             radial-gradient(900px 500px at 70% 10%, rgba(53,209,255,.28), transparent 55%),
             var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none}
a:hover{opacity:.95}

.container{max-width:var(--max);margin:0 auto;padding:0 20px}

.skip{
  position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip:focus{left:20px;top:20px;width:auto;height:auto;padding:10px 12px;background:#fff;color:#000;border-radius:10px;z-index:20}

.topbar{position:sticky;top:0;z-index:10;background:rgba(11,16,32,.72);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.topbar__inner{display:flex;align-items:center;gap:14px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px}
.brand__mark{width:34px;height:34px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:var(--shadow)}
.brand__name{font-size:16px}

.nav{display:flex;gap:14px;margin-left:10px;flex:1;flex-wrap:wrap}
.nav__link{padding:10px 10px;border-radius:12px;color:rgba(233,238,255,.92)}
.nav__link:hover{background:rgba(255,255,255,.06)}

.lang{display:flex;gap:6px}
.pill{padding:8px 10px;border-radius:999px;border:1px solid var(--border);color:rgba(233,238,255,.9)}
.pill--active{background:rgba(124,92,255,.22);border-color:rgba(124,92,255,.55)}

.main{padding-bottom:46px}

.hero{padding:52px 0 18px}
.hero__inner{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.hero__copy h1{margin:0 0 10px;font-size:42px;line-height:1.05;letter-spacing:-.6px}
.lead{margin:0;color:rgba(233,238,255,.9);font-size:16px;line-height:1.6;max-width:60ch}
.hero__cta{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 14px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  color:#061022;font-weight:800;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow);
}
.btn--ghost{background:rgba(255,255,255,.06);color:rgba(233,238,255,.94);box-shadow:none}
.btn--ghost:hover{background:rgba(255,255,255,.09)}

.hero__micro{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.chip{padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--border);color:rgba(233,238,255,.88);font-size:12px}

.hero__panel{display:flex;justify-content:flex-end}
.panel{width:100%;max-width:420px;border-radius:var(--radius);background:rgba(17,26,51,.62);border:1px solid var(--border);box-shadow:var(--shadow);padding:16px}
.panel__row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.panel__label{color:rgba(233,238,255,.9);font-size:13px}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.35)}
.dot--ok{background:rgba(53,209,255,.95)}
.dot--warn{background:rgba(124,92,255,.95)}
.panel__code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  font-size:12px;line-height:1.45;color:rgba(233,238,255,.9);
  background:rgba(0,0,0,.22);
  border:1px solid rgba(255,255,255,.10);
  border-radius:14px;padding:12px;white-space:pre;overflow:auto;
}

.section{padding:28px 0}
.section h2{margin:0 0 14px;font-size:22px;letter-spacing:-.3px}
.section--muted{background:rgba(255,255,255,.03);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.muted{color:var(--muted)}

.grid{display:grid;grid-template-columns:repeat(3, minmax(0, 1fr));gap:14px}
.grid--2{grid-template-columns:repeat(2, minmax(0, 1fr))}

.card{
  display:block;
  padding:16px;
  background:rgba(17,26,51,.55);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:0 14px 32px rgba(0,0,0,.22);
  transition:transform .12s ease, border-color .12s ease, background .12s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(124,92,255,.45);background:rgba(17,26,51,.62)}
.card__title{font-weight:800;margin-bottom:8px;letter-spacing:.1px}
.card__body{color:rgba(233,238,255,.86);font-size:14px;line-height:1.55}

.stack > * + *{margin-top:8px}
.list{margin:10px 0 0;padding-left:18px;color:rgba(233,238,255,.86)}

.divider{height:1px;background:var(--border);margin:18px 0}

.alert{border-radius:16px;border:1px solid var(--border);padding:12px 12px;background:rgba(17,26,51,.55);box-shadow:0 14px 32px rgba(0,0,0,.18);margin:0 0 12px}
.alert__title{font-weight:900;margin-bottom:6px}
.alert__body{color:rgba(233,238,255,.9);font-size:14px;line-height:1.55}
.alert__note{margin-top:8px;color:var(--muted);font-size:13px}
.alert--ok{border-color:rgba(53,209,255,.45)}
.alert--err{border-color:rgba(255,99,132,.35)}

.form{margin-top:10px}
.form__grid{display:grid;grid-template-columns:repeat(2, minmax(0, 1fr));gap:12px}
.field--full{grid-column:1 / -1}
.label{display:block;font-weight:800;font-size:13px;margin:0 0 6px;color:rgba(233,238,255,.92)}
.req{color:rgba(53,209,255,.95)}
.input{width:100%;border-radius:14px;border:1px solid var(--border);background:rgba(0,0,0,.18);color:rgba(233,238,255,.96);padding:11px 12px;outline:none}
.input:focus{border-color:rgba(124,92,255,.55);box-shadow:0 0 0 4px rgba(124,92,255,.12)}
.input--ta{resize:vertical;min-height:140px}
.input--err{border-color:rgba(255,99,132,.45)}
.help{margin-top:6px;font-size:13px;color:var(--muted)}
.help--err{color:rgba(255,170,190,.95)}
.form__actions{display:flex;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-top:12px}
.small{font-size:13px}

.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

.footer{border-top:1px solid var(--border);padding:20px 0;background:rgba(11,16,32,.72)}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer__brand{font-weight:900}

@media (max-width: 900px){
  .hero__inner{grid-template-columns:1fr}
  .hero__panel{justify-content:flex-start}
  .grid{grid-template-columns:repeat(2, minmax(0,1fr))}
}
@media (max-width: 560px){
  .hero__copy h1{font-size:34px}
  .grid,.grid--2{grid-template-columns:1fr}
  .nav{gap:6px}
  .nav__link{padding:8px 8px}
  .form__grid{grid-template-columns:1fr}
}