:root{--bg:#0b1320;--fg:#eef2f7;--muted:#a9b4c5;--accent:#3dd6ed;--card:#111a2c;--border:#1f2a44;}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,'Noto Sans',sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--accent);text-decoration:none}
header{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);backdrop-filter:blur(6px);position:sticky;top:0;z-index:9;background:rgba(11,19,32,.75)}
.brand{display:flex;gap:12px;align-items:center}
.brand img{height:44px;width:auto;border-radius:6px}
.brand b{font-weight:750;letter-spacing:.3px}
.lang{display:flex;gap:10px;font-size:14px}
.lang a{padding:6px 10px;border:1px solid var(--border);border-radius:20px;color:var(--fg)}
.lang a.active{background:var(--accent);color:#04212a;border-color:transparent;font-weight:700}
.hero{padding:64px 20px 30px;display:grid;gap:22px;max-width:980px;margin:0 auto;text-align:center}
h1{font-weight:800;font-size:clamp(28px,4.5vw,44px);margin:0}
.lead{color:var(--muted);font-size:clamp(16px,2.5vw,18px)}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.button{background:var(--accent);color:#012029;padding:12px 18px;border-radius:12px;font-weight:700}
.button.secondary{background:transparent;color:var(--fg);border:1px solid var(--border)}
.section{max-width:980px;margin:12px auto;padding:22px 20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px}
.video{aspect-ratio:16/9;width:100%;border:0;border-radius:12px;background:#000}
.grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:900px){.grid{grid-template-columns:1.1fr .9fr}}
form{display:grid;gap:12px;margin-top:10px}
input,textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:#0c1628;color:var(--fg)}
textarea{min-height:140px;resize:vertical}
small.hint{color:var(--muted)}
.hidden{display:none}
footer{padding:28px 20px;color:var(--muted);text-align:center;border-top:1px solid var(--border)}
.list{margin:0;padding-left:18px}
.list li{margin:6px 0}
.badge{display:inline-block;background:#10213e;border:1px solid #1d2f53;padding:6px 10px;border-radius:999px;color:#cfe9ff;font-weight:700;font-size:12px;margin-top:6px}
/* Offset for sticky header when jumping to sections */
#contact, #video{scroll-margin-top:100px}