:root{
  --brandAccent: rgb(51,158,209);
  --activeButton: rgb(56,174,244);
  --orangeButton: rgb(241,176,92);
  --textPrimary: #111;
  --textInverse: #fff;
  --surfaceLine: rgba(0,0,0,0.08);
  --surface: rgba(255,255,255,0.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;color:var(--textPrimary);background:var(--brandAccent)}
a{color:#0645AD;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:24px}
nav{background:rgba(255,255,255,0.55);backdrop-filter:blur(6px);border-bottom:1px solid var(--surfaceLine)}
nav .nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;max-width:1100px;margin:0 auto}
nav .brand{display:flex;align-items:center;gap:10px;font-weight:900}
nav .brand .dot{width:12px;height:12px;border-radius:50%;background:var(--activeButton);display:inline-block}
nav ul{list-style:none;display:flex;gap:18px;margin:0;padding:0}
nav a{font-weight:600;color:#000}
.hero{padding:64px 24px;background:linear-gradient(180deg, rgba(255,255,255,0.55), rgba(255,255,255,0.25));border-bottom:1px solid var(--surfaceLine)}
.hero h1{margin:0 0 8px 0;font-size:48px;line-height:1.05}
.hero p{font-size:18px;max-width:800px}
.card{background:var(--surface);border:1px solid var(--surfaceLine);border-radius:16px;padding:20px;box-shadow:0 10px 22px rgba(0,0,0,0.15)}
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.section{padding:32px 24px}
h2{margin:0 0 12px 0;font-size:28px}
h3{margin:16px 0 8px 0;font-size:20px}
footer{margin-top:40px;padding:24px;background:rgba(255,255,255,0.55);border-top:1px solid var(--surfaceLine)}
.btn{display:inline-block;padding:12px 16px;border-radius:12px;background:var(--activeButton);color:#000;font-weight:700;border:1px solid var(--surfaceLine);box-shadow:0 6px 10px rgba(0,0,0,0.12)}
.btn.orange{background:var(--orangeButton)}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,0.65);border:1px solid var(--surfaceLine);font-size:12px;margin-right:8px}
.kv{display:flex;gap:12px;align-items:flex-start}
.kv .kv-key{min-width:220px;font-weight:700}
.small{font-size:13px;color:#222}
code,kbd,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}
pre{overflow:auto;background:#f7f7f7;border:1px solid #e1e1e1;border-radius:8px;padding:12px}
@media (max-width:800px){
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .hero h1{font-size:36px}
}