:root{--bg:#0b1220;--card:#121a2b;--text:#e8eefc;--muted:#9aa8c7;--acc:#3d8bfd}
*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,#0b1220,#101828);color:var(--text);line-height:1.55}
.wrap{width:min(960px,92%);margin:0 auto}header{display:flex;justify-content:space-between;align-items:center;padding:22px 0}
.brand{font-weight:700;letter-spacing:.04em}nav a{color:var(--muted);margin-left:16px;text-decoration:none}
h1{font-size:clamp(1.6rem,3vw,2.4rem);margin:28px 0 12px}.lead{color:var(--muted);max-width:60ch}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin:28px 0 48px}
article{background:var(--card);border:1px solid #1e2a44;border-radius:14px;padding:16px}
h2{font-size:1.05rem;margin:0 0 8px}article p{margin:0;color:var(--muted);font-size:.95rem}
footer{padding:24px 0 40px;color:var(--muted)}a{color:var(--acc)}