:root{
  --bg:#0a0f1c; --card:#11172a; --muted:#96a0b6; --brand:#2f6bff; --brand-2:#6aa1ff; --ring:rgba(47,107,255,.25);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:#eaf0ff;line-height:1.6}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1200px,92%);margin:auto}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.logo{display:flex;gap:10px;align-items:center;font-weight:700}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;box-shadow:0 10px 30px var(--ring)}
.logo svg{width:22px;height:22px}
.nav a.btn{padding:10px 16px;border:1px solid #2b385a;border-radius:12px}
.hero{padding:72px 0 40px;display:grid;gap:24px}
.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.1;margin:0}
.hero p{color:var(--muted);max-width:820px;margin:0}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px}
.btn{display:inline-block;padding:14px 18px;border-radius:14px;font-weight:600;transition:.2s all}
.btn-primary{background:var(--brand);color:white;box-shadow:0 10px 30px var(--ring)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{border:1px solid #2b385a;color:#eaf0ff}
.grid{display:grid;gap:18px}
.features{padding:28px 0}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid #202741;border-radius:16px;padding:20px}
.card h3{margin:0 0 6px;font-size:20px}
.muted{color:var(--muted)}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:26px 0 10px}
.kicker{color:#7ea2ff;font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:12px}
.articles{padding:10px 0 36px}
.article{display:flex;gap:16px;align-items:flex-start;padding:16px;border-radius:14px;border:1px solid #202741;background:linear-gradient(180deg,rgba(47,107,255,.05),transparent)}
.article .tag{font-size:12px;color:#b8c2da;border:1px solid #2b385a;border-radius:24px;padding:4px 10px}
.newsletter{padding:28px 0}
form{display:flex;gap:10px;flex-wrap:wrap}
input[type="email"]{flex:1;min-width:240px;background:#0c1326;border:1px solid #24304f;border-radius:12px;padding:14px;color:#eaf0ff}
input[type="email"]::placeholder{color:#6e7b97}
footer{border-top:1px solid #202741;margin-top:30px}
.footer{display:grid;gap:10px;padding:22px 0;color:#94a3c3;font-size:14px}
.list{display:grid;gap:10px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}}
main{min-height:60vh}
.prose{max-width:860px;margin:0 auto}
.prose h1{font-size:clamp(28px,4vw,40px);line-height:1.2}
.prose h2{margin-top:24px}
.breadcrumbs{font-size:14px;color:#b8c2da;margin-bottom:10px}
.code{background:#0c1326;border:1px solid #24304f;padding:12px;border-radius:10px;display:block;overflow:auto}