:root {
    --dark: #0b0b1a;
    --dark-2: #15152b;
    --dark-line: #2a2a48;
    --ink: #e9e9f5;
    --ink-soft: #a5a5c3;
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(900px 480px at 85% -10%, rgba(124,58,237,.35), transparent 60%),
        radial-gradient(700px 420px at -10% 110%, rgba(59,130,246,.18), transparent 60%),
        var(--dark);
    color: var(--ink);
    font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }
:focus-visible { outline: 3px solid #a78bfa; outline-offset: 3px; }

.topbar { border-bottom: 1px solid var(--dark-line); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 64px; }
.back { color: var(--ink-soft); text-decoration: none; font-size: 15px; white-space: nowrap; }
.back:hover { color: #fff; }
.lang { color: var(--ink-soft); text-decoration: none; font-size: 13px; font-weight: 700; border: 1px solid var(--dark-line); padding: 6px 10px; border-radius: 8px; }
.lang:hover { color: #fff; border-color: var(--ink-soft); }

main { flex: 1; padding: 56px 0 72px; text-align: center; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: #fff; margin-bottom: 20px; }
.brand svg { width: 30px; height: 30px; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 auto 16px; max-width: 760px; color: #fff; }
h1 em { font-style: normal; background: linear-gradient(90deg, #c4b5fd, #a78bfa 40%, #60a5fa); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 19px; color: var(--ink-soft); max-width: 640px; margin: 0 auto 36px; }

.video {
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--dark-line);
    background: var(--dark-2);
    box-shadow: 0 30px 80px -20px rgba(0,0,0,.6), 0 0 0 1px rgba(124,58,237,.15);
}
.video video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: #000; }

.ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 36px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 26px; border-radius: 10px; font-weight: 700; text-decoration: none; transition: background .15s ease, border-color .15s ease; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { border: 1px solid rgba(255,255,255,.25); color: #fff; }
.btn-ghost:hover { border-color: rgba(255,255,255,.6); }
.note { margin-top: 18px; font-size: 14px; color: var(--ink-soft); }

footer { border-top: 1px solid var(--dark-line); padding: 24px 0; font-size: 14px; color: var(--ink-soft); text-align: center; }
footer a { color: #c4b5fd; text-decoration: none; }
footer a:hover { text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
    .btn { transition: none; }
}