:root{--bg:#0f1115;--card:#141821;--muted:#9aa3b2;--text:#e9edf3;--accent:#5cc8ff;--accent2:#7ef2c2;--border:#222838;--brand:#e2e8f0}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji"}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:50;background:rgba(15,17,21,.9);backdrop-filter: blur(8px);border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.3px}
.brand .logo{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 0 0 2px #0003}
.menu{display:flex;align-items:center;gap:20px}
.dropdown{position:relative}.drop-btn{display:flex;align-items:center;gap:6px;cursor:pointer;padding:8px 10px;border-radius:8px;border:1px solid transparent}
.drop-btn:hover{background:#1a1f2b;border-color:var(--border)}
.drop-list{position:absolute;top:110%;left:0;min-width:260px;background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.35);padding:6px;display:none}
.dropdown:hover .drop-list{display:block}
.drop-item{display:block;padding:10px 12px;border-radius:8px;color:var(--text)}.drop-item:hover{background:#1d2230}
.hamb{display:none;background:#1a1f2b;border:1px solid var(--border);border-radius:10px;padding:8px 10px}
@media (max-width:860px){.menu{display:none}.hamb{display:block}.menu.mobile{display:flex;flex-direction:column;gap:8px;padding:10px;border-top:1px solid var(--border)}.dropdown:hover .drop-list{display:none}.dropdown.open .drop-list{display:block;position:relative;top:auto;left:auto}}
.header{padding:56px 0 24px;border-bottom:1px solid var(--border);background:radial-gradient(1200px 400px at 50% -20%, #1a2030 10%, transparent 60%)}
.header h1{margin:0 0 8px;font-size:36px}
.header p{color:var(--muted);margin:0}
section{padding:36px 0;border-bottom:1px solid var(--border)}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
footer{padding:30px 0;color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--accent),#2fc1ff);color:#061018;padding:10px 14px;border-radius:12px;font-weight:700;border:1px solid #5fbfe6}
.btn.secondary{background:#1b2230;color:var(--text);border:1px solid var(--border)}