:root{
  --bg:#0b0d12; --text:#e6e8ea; --muted:#a8b0b9; --border:#1f2430; --surface:#10141b; --surface-2:#0f1420;
  --accent:#4c9aff; --accent-2:#0b6cff; --radius:14px; --shadow:0 10px 40px rgba(0,0,0,.3);
  --maxw:1140px; --focus:0 0 0 3px rgba(76,154,255,.55), 0 0 0 8px rgba(11,108,255,.25);
}
@media (prefers-color-scheme: light){
  :root{ --bg:#ffffff; --text:#0e1320; --muted:#4a5568; --border:#e7eaf1; --surface:#f7f9fc; --surface-2:#eef2f7; --accent:#0b6cff; --accent-2:#4c9aff; --shadow:0 10px 40px rgba(0,0,0,.08); }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.header{position:sticky;top:0;background:rgba(15,20,32,.7);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);z-index:1000}
@media (prefers-color-scheme: light){ .header{background:rgba(255,255,255,.8)} }
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:32px;width:auto;border-radius:10px}
.brand .name{font-weight:800;letter-spacing:.2px}
.brand .tagline{display:block;font-size:12px;color:var(--muted);margin-top:-4px}
nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
nav a{padding:8px 10px;border-radius:10px}
nav a:focus{outline:none;box-shadow:var(--focus)}
.hero{padding:64px 0 36px;border-bottom:1px solid var(--border);
  background: radial-gradient(800px 300px at 20% -50%, rgba(11,108,255,.25), transparent 60%),
              radial-gradient(600px 240px at 90% -40%, rgba(76,154,255,.2), transparent 60%);}
.hero h1{font-size:clamp(28px,3.8vw,46px);line-height:1.15;margin:0 0 10px;font-weight:900;letter-spacing:.2px}
.hero .sub{margin:4px 0 16px;color:var(--muted)}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 2px 0}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;font-size:12px;border:1px solid var(--border);background:var(--surface)}
.hero p{max-width:820px;margin:6px 0 18px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.section{padding:34px 0}
.card{grid-column:span 6;background:linear-gradient(180deg,var(--surface),var(--surface-2));padding:18px;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card h3{margin-top:0}
.card .meta{font-size:12px;color:var(--muted);margin-top:-6px;margin-bottom:8px}
@media (max-width:880px){ .card{grid-column:span 12} nav ul{flex-wrap:wrap;gap:10px} }
.btn{display:inline-block;border:1px solid var(--border);background:var(--surface);padding:12px 16px;border-radius:12px;font-weight:700;transition:transform .06s ease, box-shadow .2s ease}
.btn.primary{background:linear-gradient(180deg,var(--accent),var(--accent-2));border-color:transparent;color:#fff}
.btn.primary:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent}
.prose h2{margin-top:10px}
.prose p{margin:10px 0}
.prose ul, .prose ol{padding-left:20px}
kbd{border:1px solid var(--border);padding:2px 6px;border-radius:6px;background:var(--surface)}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px;margin:8px 0 16px}
.footer{border-top:1px solid var(--border);margin-top:48px}
.footer-inner{padding:20px 0;color:var(--muted);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.footer-nav{display:flex;gap:14px;flex-wrap:wrap}
small,.muted{color:var(--muted)}
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:var(--shadow);z-index:2000;display:none}
.cookie-banner.show{display:block}
.cookie-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.cookie-banner h2{margin:0 0 6px 0;font-size:18px}
.cookie-banner p{margin:0 0 8px 0;color:var(--muted)}
.preferences{display:flex;gap:14px;align-items:center;margin-top:8px}
.toggle{display:inline-flex;align-items:center;gap:6px}
.toggle input{transform:scale(1.25);accent-color:var(--accent)}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{position:static;width:auto;height:auto;padding:8px 12px;background:var(--accent);color:#fff;border-radius:8px}