:root{color-scheme:dark;--bg:#111827;--panel:#1f2937;--text:#e5e7eb;--muted:#9ca3af;--accent:#22d3ee}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,sans-serif;line-height:1.65}header{border-bottom:1px solid #374151;background:#0f172a;position:sticky;top:0}nav,main,footer{max-width:1050px;margin:auto;padding:20px}nav{display:flex;align-items:center;justify-content:space-between;gap:20px}nav img{width:150px;max-height:58px}nav a,.cta{color:white;text-decoration:none}.hero{padding:70px 20px 35px}.hero h1{font-size:clamp(2.2rem,6vw,4.4rem);line-height:1.05;margin:.3em 0}.hero p{font-size:1.2rem;color:#cbd5e1;max-width:800px}.tag{color:var(--accent);text-transform:uppercase;letter-spacing:.12em;font-weight:bold}.cta{display:inline-block;background:#0891b2;padding:13px 22px;border-radius:8px;font-weight:bold;margin:10px 8px 10px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.card{background:var(--panel);border:1px solid #374151;border-radius:12px;padding:22px}h2{margin-top:48px;font-size:2rem}h3{color:var(--accent)}li{margin:.55em 0}.links a{color:var(--accent)}footer{color:var(--muted);border-top:1px solid #374151;margin-top:50px}.breadcrumb{color:var(--muted);font-size:.9rem}.breadcrumb a{color:var(--accent)}