:root{
  --bg1:#0b0b1a; --bg2:#170f2e; --text:#e5e7eb; --muted:#9ca3af;
  --indigo:#6366f1; --indigo-700:#4338ca; --red:#ef4444; --card:rgba(0,0,0,.35);
  --border:rgba(255,255,255,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family: ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  color:var(--text);
  background: radial-gradient(ellipse at top,var(--bg1),var(--bg1) 40%,var(--bg2));
}
.container{max-width:1120px; margin:0 auto; padding:0 24px;}
.header{
  position:sticky; top:0; z-index:50; backdrop-filter:saturate(180%) blur(8px);
  background:rgba(0,0,0,.3); border-bottom:1px solid var(--border);
}
.header-inner{height:64px; display:flex; align-items:center; justify-content:space-between;}
.nav a, .nav button{font-size:14px; margin-left:16px; color:var(--text); text-decoration:none; border:1px solid transparent; background:none;}
.nav a:hover{color:#c7d2fe}
.lang-btn{border:1px solid var(--border); padding:6px 10px; border-radius:999px}
.hero{display:grid; grid-template-columns:1fr; gap:24px; padding:80px 0;}
@media(min-width:1024px){.hero{grid-template-columns:1fr 1fr; padding:96px 0;}}
h1{font-size:42px; line-height:1.1; margin:0 0 12px; font-weight:800}
p{color:var(--text); opacity:.9}
.btn{display:inline-block; padding:12px 20px; border-radius:999px; background:var(--indigo); color:white; text-decoration:none; font-weight:600}
.btn:hover{background:var(--indigo-700)}
.hero-img{border-radius:24px; border:1px solid var(--border); box-shadow:0 20px 60px rgba(0,0,0,.5); width:100%; height:auto}
.section{padding:64px 0}
.section.alt{background:rgba(255,255,255,.04); border-top:1px solid var(--border); border-bottom:1px solid var(--border)}
.cards{display:grid; gap:20px}
@media(min-width:768px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card); border:1px solid var(--border); border-radius:16px; padding:20px}
h2{font-size:30px; margin:0 0 16px; font-weight:800}
.list{color:var(--text); opacity:.9; line-height:1.7}
.disclaimer{background:rgba(239,68,68,.12)}
footer{border-top:1px solid var(--border); padding:36px 0; text-align:center; color:var(--muted); font-size:14px}
.small{font-size:12px; color:#9ca3af; margin-top:8px}
.top-btn{position:fixed; right:20px; bottom:20px; background:var(--indigo); color:#fff; border:none; border-radius:999px; padding:10px 16px; font-weight:700; cursor:pointer; box-shadow:0 10px 30px rgba(0,0,0,.4); display:none}
.top-btn.show{display:block}
.badge{display:inline-flex; align-items:center; gap:8px; border:1px solid var(--border); border-radius:999px; padding:6px 10px; font-size:12px; color:#c7d2fe}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;}