:root{
  --bg:#0c0f13; --card:#12161c; --muted:#99a4b3; --text:#e9eef6;
  --stroke:#1a2230; --brand:#0080FF; --brand2:#58cbff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1200px;margin:0 auto;padding:22px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:8px 0 14px}
.logo{display:flex;gap:10px;align-items:center;font-weight:800;letter-spacing:.2px}
.logo .s{color:var(--brand);font-weight:900;font-size:1.6rem}
.logo .brand{font-size:1.25rem}
.badges{display:flex;gap:8px}
.badge{border:1px solid var(--stroke);background:#0f141c;color:var(--muted);padding:6px 10px;
  border-radius:999px;font-size:.9rem}
.btn{display:inline-block;border-radius:12px;padding:12px 16px;background:linear-gradient(135deg,var(--brand),var(--brand2));
  color:#fff;font-weight:700}
.hero{padding:56px 0;border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke)}
.hero h1{font-size:2.6rem;letter-spacing:.2px}
.hero h1 .accent{color:var(--brand)}
.hero p{color:var(--muted);max-width:880px;line-height:1.7}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--stroke);border-radius:16px;padding:18px;min-height:140px}
.card h3{margin:.2rem 0 .5rem 0}
.card p{color:var(--muted)}
.section-title{font-size:1.6rem;margin:28px 0 12px}
.footer{margin-top:48px;padding:22px 0;border-top:1px dashed var(--stroke);color:var(--muted)}
.page-title{margin:8px 0 8px 0}
.panel{background:var(--card);border:1px solid var(--stroke);border-radius:16px;padding:22px}
.panel h3{margin-top:16px}
ul{line-height:1.7}
.hide{display:none}