:root{
  --brand:#3BA7FF; --brand-dark:#1F86F2;
  --ink:#1f2937; --muted:#6b7280; --bg:#f7f7f8; --card:#fff;
  --link:#0a60a8; --maxw:1200px; --radius:14px; --shadow:0 10px 24px rgba(0,0,0,.08);
  --logo-h:56px;
}
*{box-sizing:border-box} html,body{margin:0}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:var(--link);text-decoration:none} a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* Header */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #ececf0}
.nav{display:flex;align-items:center;justify-content:space-between;height:86px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800;color:var(--ink)}
.brand img{height:var(--logo-h);width:auto;display:block;object-fit:contain}
.brand span{font-size:1.05rem}
.menu{display:flex;gap:18px;align-items:center}
.menu a{color:#374151;font-weight:600}
.menu a:hover{color:var(--brand);text-decoration:none}
.menu-toggle{display:none}
@media (max-width:820px){
  .menu-toggle{display:block;background:none;border:0;font-size:22px}
  .menu{display:none;position:absolute;top:86px;left:0;right:0;background:#fff;border-bottom:1px solid #ececf0;padding:16px 22px;flex-direction:column}
  .menu.open{display:flex}
}

/* Hero */
.hero{
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(59,167,255,.18), transparent 60%),
    linear-gradient(180deg,#fff 0%,#fff 70%,var(--bg) 100%);
  padding:56px 0 24px
}
.hero-inner{display:grid;gap:28px;grid-template-columns:1.15fr .85fr;align-items:center}
.hero .kicker{color:var(--brand);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:12px}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.2;letter-spacing:-.02em;margin:0 0 10px}
.hero p{font-size:clamp(16px,2.4vw,19px);max-width:60ch}
.hero-figure{width:100%;display:flex;flex-direction:column;padding:0}
.hero-figure .figures{margin:6px 0 0;width:100%;max-width:none;align-self:stretch;text-align:right;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.hero-panel{background:#fff;border:1px solid #e6eef7;border-left:6px solid var(--brand);border-radius:12px;padding:24px;width:100%;box-shadow:0 4px 14px rgba(31,134,242,.12)}
.hero-panel p{margin:0 0 10px;font-size:15px;color:#334155;line-height:1.6}
.hero-panel code{font-size:14px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;border:1px solid transparent;font-weight:700;cursor:pointer;font:inherit;font-weight:700}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark);text-decoration:none}
.btn-ghost{background:#fff;border-color:#e5e7eb;color:#374151}.btn-ghost:hover{text-decoration:none}
.btn:disabled{opacity:.6;cursor:wait}
@media (max-width:980px){.hero-inner{grid-template-columns:1fr}}

/* Docs layout: a sticky menu on the left, every section on the one page */
.docs{display:grid;grid-template-columns:260px minmax(0,1fr);gap:36px;padding:36px 0 60px;align-items:start}
.toc{position:sticky;top:106px;background:var(--card);border:1px solid #eef0f4;border-radius:var(--radius);padding:16px 0;box-shadow:0 1px 0 rgba(0,0,0,.03)}
.toc .toc-title{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);font-weight:800;padding:0 18px 8px}
.toc a{display:block;padding:7px 18px;color:#374151;font-weight:600;font-size:.95rem;border-left:3px solid transparent}
.toc a:hover{color:var(--brand);text-decoration:none}
.toc a.active{color:var(--brand);border-left-color:var(--brand);background:#f3f9ff}
.content{min-width:0}
.section{background:var(--card);border:1px solid #eef0f4;border-radius:var(--radius);padding:28px 30px;margin-bottom:24px;box-shadow:0 1px 0 rgba(0,0,0,.03)}
.section h2{margin:0 0 6px;font-size:1.6rem;letter-spacing:-.01em}
.section h3{margin:22px 0 6px;font-size:1.1rem}
.section .lead{color:#334155;font-size:1.05rem;margin:0 0 14px}
.section p{margin:0 0 12px}
.section ul,.section ol{padding-left:22px;margin:0 0 12px}
.section li{margin:0 0 6px}
.meta{color:var(--muted);font-size:.92rem}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:#f3f4f6;border:1px solid #e5e7eb;border-radius:6px;padding:1px 6px}
pre{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:16px 18px;overflow-x:auto;font-size:.9rem;line-height:1.55;margin:10px 0 16px}
pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
table{width:100%;border-collapse:collapse;margin:10px 0 16px;font-size:.95rem}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid #eef0f4;vertical-align:top}
th{color:var(--muted);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}
.tablewrap{overflow-x:auto}
.note{background:#f3f9ff;border:1px solid #d7ebff;border-left:4px solid var(--brand);border-radius:10px;padding:12px 16px;margin:12px 0 16px}
.warn{background:#fff7ed;border:1px solid #fed7aa;border-left:4px solid #f59e0b;border-radius:10px;padding:12px 16px;margin:12px 0 16px}
.grid-2{display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:#f7f7f8;border:1px solid #e5e7eb;border-radius:10px;padding:16px}
.card h4{margin:0 0 6px}
@media (max-width:980px){.docs{grid-template-columns:1fr}.toc{position:static}.grid-2{grid-template-columns:1fr}}

/* The key request form */
.form{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.form .full{grid-column:1 / -1}
.form label{display:block;font-weight:700;font-size:.9rem;margin:0 0 6px;color:#374151}
.form input,.form textarea{width:100%;padding:12px 14px;border:1px solid #e5e7eb;border-radius:10px;font:inherit;background:#fff}
.form textarea{min-height:120px;resize:vertical}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(59,167,255,.2)}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:500;font-size:.95rem}
.form .check input{width:auto;margin-top:5px}
.form-msg{font-weight:700;margin-top:4px}
.form-msg.ok{color:#15803d}.form-msg.err{color:#ef4444}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
@media (max-width:680px){.form{grid-template-columns:1fr}}

/* Footer */
.footer{background:#0f172a;color:#cbd5e1;padding:40px 0;margin-top:20px}
.footer a{color:#cbd5e1}
.footer .brand{color:#fff}
.footer .brand img{height:var(--logo-h)}
.cols{display:grid;gap:18px;grid-template-columns:2fr 1fr 1fr}
@media (max-width:820px){.cols{grid-template-columns:1fr}}