:root{--bg:#0b1020;--fg:#e7e9ee;--muted:#9aa3b2;--card:#121833;--accent:#7c9cff;--accent2:#ffb86b}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--fg);line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.nav{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:16px 22px;background:rgba(12,18,40,.7);backdrop-filter: blur(8px);position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(255,255,255,.06)}.brand{font-weight:700;letter-spacing:.3px}.nav a{color:var(--fg)}.hero{max-width:1100px;margin:40px auto;padding:0 22px;display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}.hero h1{font-size:clamp(28px,5vw,44px);margin:.2em 0 .1em}.hero p{color:var(--muted);margin:8px 0 14px}.cta{display:flex;gap:12px;margin-top:8px}.btn{display:inline-block;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.15);background:linear-gradient(180deg,#1a2246,#121833);color:var(--fg)}.btn.alt{background:transparent}.grid{max-width:1100px;margin:10px auto 60px;padding:0 22px;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.card{background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:18px;box-shadow:0 10px 30px rgba(0,0,0,.25)}.card h3{margin:0 0 6px}.card p{color:var(--muted);margin:0 0 10px}.card .btn{margin-top:8px}.footer{max-width:1100px;margin:0 auto;padding:22px;color:var(--muted);border-top:1px solid rgba(255,255,255,.06)}.toggle{cursor:pointer;padding:6px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.15)}@media (max-width:900px){.hero{grid-template-columns:1fr}}.light{--bg:#f7f8fb;--fg:#101322;--muted:#485166;--card:#ffffff}.light .nav{background:#fff}.light .btn{background:#fff;border-color:#e2e6ef}.light a{color:#2f5ae9}