:root{--bg: #0b1220;--panel: #0f172a;--border: #1e293b;--accent: #22d3ee;--accent-soft: rgba(34, 211, 238, .14);--text: #e2e8f0;--muted: #94a3b8;--danger: #ef4444}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif}.landing-shell{min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(1200px 500px at 70% -10%,rgba(34,211,238,.12),transparent),var(--bg)}.landing-topbar{border-bottom:1px solid var(--border);background:#0f172a99}.landing-nav{max-width:1080px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}.landing-brand{display:flex;align-items:center;gap:12px}.brand-mark{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(135deg,#155e75,#0e7490);border:1px solid var(--accent);color:#fff;font-weight:800;font-size:15px;box-shadow:0 0 14px var(--accent-soft)}.landing-brand-name{font-weight:700;letter-spacing:1px}.landing-version{color:var(--muted);font-size:13px;border:1px solid var(--border);border-radius:999px;padding:4px 12px}.landing-main{max-width:1080px;margin:0 auto;padding:48px 24px 64px;flex:1}.landing-hero{text-align:center;margin-bottom:44px}.landing-h1{font-size:44px;margin:0 0 10px;background:linear-gradient(90deg,#e2e8f0,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}.landing-sub{color:var(--text);font-size:17px;margin:0 0 8px}.landing-lead{color:var(--muted);font-size:14px;margin:0}.landing-downloads{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-bottom:48px}.download-card{display:flex;flex-direction:column;gap:6px;padding:22px;border-radius:12px;background:var(--panel);border:1px solid var(--border);text-decoration:none;color:var(--text);transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.download-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 10px 26px #00000059}.download-card.primary{border-color:var(--accent);background:linear-gradient(180deg,rgba(34,211,238,.1),var(--panel))}.download-os{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--accent);font-weight:600}.download-title{font-size:17px;font-weight:700}.download-note{font-size:13px;color:var(--muted);min-height:34px}.download-cta{margin-top:8px;display:inline-block;text-align:center;padding:10px 14px;border-radius:8px;background:var(--accent-soft);border:1px solid var(--accent);color:#a5f3fc;font-weight:600}.download-card.primary .download-cta{background:var(--accent);color:#083344}.landing-notes{max-width:720px;margin:0 auto;color:var(--muted)}.landing-notes h2{color:var(--text);font-size:18px;margin-bottom:10px}.landing-notes li{margin:6px 0;line-height:1.5}code{background:#94a3b826;border-radius:4px;padding:1px 6px;color:#a5f3fc}.landing-footer{border-top:1px solid var(--border);color:var(--muted);font-size:12px;padding:18px 24px;display:flex;justify-content:space-between;max-width:1080px;margin:0 auto;width:100%}