:root{
  --ink:#12141A; --muted:#4A5160; --faint:#7A8291;
  --bg:#EEF0F2; --card:#FFFFFF; --hair:#E1E4EA;
  --brand:#37D67A; --brand-2:#59E8A0; --ink-accent:#0E9F58;
  --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.55}
img{max-width:100%}

header.site,footer.site{max-width:var(--max);margin:0 auto;padding:22px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.wordmark{font-weight:800;letter-spacing:-.02em;text-decoration:none;font-size:16px;color:var(--ink)}
.lang{display:inline-flex;border:1px solid var(--hair);border-radius:999px;overflow:hidden;background:var(--card)}
.lang-btn{appearance:none;border:0;background:transparent;cursor:pointer;font:600 13px/1 inherit;color:var(--muted);padding:8px 14px}
.lang-btn[aria-pressed="true"]{background:var(--ink);color:#fff}
.lang-btn:focus-visible,.btn:focus-visible,a:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}

.btn{display:inline-flex;align-items:center;gap:9px;background:var(--ink);color:#fff;
  font-weight:700;font-size:15px;border-radius:12px;padding:14px 24px;text-decoration:none;
  box-shadow:0 10px 26px -10px rgba(0,0,0,.45)}
.btn::before{content:"↓";font-weight:800}
.meta{color:var(--faint);font-size:13px;margin:12px 0 0}

.hero{max-width:var(--max);margin:0 auto;padding:40px 24px 64px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(44px,8vw,92px);font-weight:850;letter-spacing:-.045em;line-height:.9;margin:0 0 20px}
.hero .sub{color:var(--muted);font-size:17px;max-width:42ch;margin:0 0 24px}
.hero-stage{display:flex;align-items:center}

.desktop{position:relative;width:100%;border-radius:14px 14px 10px 10px;overflow:hidden;
  background:radial-gradient(120% 90% at 20% -10%,#1a2340 0,rgba(26,35,64,0) 55%),
            radial-gradient(120% 90% at 90% 10%,#13303a 0,rgba(19,48,58,0) 50%),
            linear-gradient(160deg,#0d0f16 0,#070810 100%);
  box-shadow:0 30px 60px -34px rgba(0,0,0,.6)}
.menubar{height:26px;display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:0 14px;color:rgba(255,255,255,.5);font-size:11px}
.menubar .mi{width:12px;height:12px;border-radius:3px;background:rgba(255,255,255,.16)}
.clock{font-variant-numeric:tabular-nums}
.notchwrap{position:absolute;top:0;left:50%;transform:translateX(-50%)}
.nb{background:#000;border-radius:0 0 20px 20px;box-shadow:0 8px 30px rgba(0,0,0,.55);padding:12px 18px 14px;min-width:280px}
.nb-row1{display:flex;align-items:center;justify-content:space-between;gap:14px}
.nb-title{color:#F4F6F8;font-size:14px;font-weight:600}
.nb-left{color:#8B93A3;font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums}
.nb-left b{color:var(--brand-2);font-weight:700}
.nb-track{margin-top:11px;height:8px;border-radius:5px;background:#23262F;overflow:hidden}
.nb-fill{height:100%;width:68%;border-radius:5px;background:linear-gradient(90deg,var(--brand),var(--brand-2));
  animation:grow 2.4s cubic-bezier(.4,0,.2,1) both}
.desktop-pad{height:150px}
@keyframes grow{from{width:0}to{width:68%}}

.features,.install{max-width:var(--max);margin:0 auto;padding:56px 24px}
.features h2,.install h2{font-size:clamp(24px,4vw,34px);font-weight:800;letter-spacing:-.02em;margin:0 0 28px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards article{background:var(--card);border:1px solid var(--hair);border-radius:16px;padding:22px}
.cards h3{margin:0 0 8px;font-size:18px;font-weight:700;letter-spacing:-.01em}
.cards p{margin:0;color:var(--muted);font-size:15px}

.install ol{margin:0 0 20px;padding:0;list-style:none;counter-reset:step;display:flex;flex-direction:column;gap:14px}
.install li{counter-increment:step;position:relative;padding-left:44px;font-size:16px}
.install li::before{content:counter(step);position:absolute;left:0;top:-2px;width:30px;height:30px;
  display:grid;place-items:center;background:var(--ink);color:#fff;border-radius:50%;font-weight:700;font-size:14px}
.install .note{background:#fff;border:1px solid var(--hair);border-left:3px solid var(--brand);
  border-radius:10px;padding:14px 16px;color:var(--muted);font-size:14.5px;max-width:64ch;margin:0 0 22px}
.install .uninstall{color:var(--faint);font-size:13.5px;max-width:64ch;margin:16px 0 0}
.install .uninstall a{color:var(--muted);font-weight:600}

footer.site{border-top:1px solid var(--hair);margin-top:40px;color:var(--faint);font-size:14px;flex-wrap:wrap}
footer.site a{color:var(--muted);font-weight:600}
footer .reqs{color:var(--faint)}

@media(max-width:720px){
  .hero{grid-template-columns:1fr;padding-top:12px}
  .hero-stage{order:2}
  .cards{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.nb-fill{animation:none}html{scroll-behavior:auto}}