:root {
  --bg: #0b1220; --bg-2: #0e1729; --panel: #121b2e; --line: #24314d;
  --text: #e8eefc; --muted: #94a3c4; --blue: #2f7bff; --blue-2: #5b8cff; --green: #22c55e;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
img { max-width: 100%; }
a { color: var(--blue-2); }
h1, h2, h3 { line-height: 1.2; }
h2 { font-size: clamp(24px, 4vw, 32px); margin: 0 0 28px; text-align: center; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.hidden { display: none !important; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(11,18,32,.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.brand { display: flex; gap: 10px; align-items: center; color: var(--text); text-decoration: none; font-weight: 700; }
.brand img { border-radius: 8px; }
.nav-links { display: flex; gap: 20px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--text); }

.hero { background: radial-gradient(ellipse at 50% 0%, #1a3060 0%, var(--bg) 65%); padding: 72px 0 56px; text-align: center; }
.hero-logo { border-radius: 20px; box-shadow: 0 16px 40px rgba(47,123,255,.25); }
.hero h1 { font-size: clamp(38px, 7vw, 58px); margin: 20px 0 6px; letter-spacing: -.5px; }
.tagline { font-size: clamp(18px, 3vw, 22px); color: var(--blue-2); font-weight: 600; margin: 0 0 16px; }
.lead { max-width: 640px; margin: 0 auto; color: var(--muted); font-size: 17px; }
.trust { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; justify-content: center; color: var(--muted); font-size: 14px; }
.trust li::before { content: "✓"; color: var(--green); font-weight: 700; margin-right: 8px; }

.downloads { padding: 56px 16px; }
.dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; max-width: 820px; margin: 0 auto; }
.dl-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; text-align: center; transition: border-color .2s; }
.dl-card.recommended { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue) inset; }
.os-icon { width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 14px; background: #18233a; display: grid; place-items: center; }
.os-icon svg { width: 28px; height: 28px; fill: var(--text); }
.dl-card h3 { margin: 0 0 4px; font-size: 22px; }
.compat { color: var(--muted); font-size: 14px; margin: 0 0 20px; min-height: 22px; }
.meta { color: var(--muted); font-size: 13px; margin: 12px 0 0; }
.btn { display: inline-block; width: 100%; padding: 14px 20px; border-radius: 12px; font-weight: 700; font-size: 16px; text-decoration: none; text-align: center; }
.btn.primary { background: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--blue-2); }
.btn.disabled { background: #1f2a42; color: var(--muted); pointer-events: none; }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--blue-2); outline-offset: 3px; }
.share-hint { text-align: center; color: var(--muted); font-size: 13px; margin-top: 22px; overflow-wrap: anywhere; }
code { background: #18233a; padding: 2px 6px; border-radius: 6px; color: var(--text); }

.how { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 56px 0; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.steps li { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.num { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(47,123,255,.15); color: var(--blue-2); font-weight: 800; }
.steps h3 { font-size: 17px; margin: 12px 0 6px; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

.support { padding: 56px 16px; }
.support-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; max-width: 820px; margin: 0 auto; }
.sup-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; overflow-wrap: anywhere; }
.sup-card a, .sup-card span { font-size: 18px; font-weight: 600; color: var(--text); text-decoration: none; }
.sup-card a:hover { color: var(--blue-2); }
.label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .8px; margin-bottom: 4px; }
.privacy { max-width: 640px; margin: 24px auto 0; text-align: center; color: var(--muted); font-size: 14px; }

.footer { border-top: 1px solid var(--line); padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-text { color: var(--muted); font-size: 14px; text-align: right; }

@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero { padding: 48px 0 40px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-text { text-align: center; }
}