:root {
  --bg: #0e0e11;
  --panel: #18181b;
  --card: #222226;
  --field: #1c1c20;
  --line: #303036;
  --text: #ececf0;
  --muted: #a8a8b0;
  --accent: #60cdff;
  --accent-dim: rgba(96, 205, 255, 0.18);
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font: 16px/1.5 "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.glow {
  position: fixed;
  inset: -20vh 10vw auto;
  height: 46vh;
  background: radial-gradient(ellipse at top, var(--accent-dim), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.nav, main, footer { position: relative; z-index: 1; }

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}

.logo {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

nav { display: flex; align-items: center; gap: 18px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }

.lang {
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--text);
  border-radius: 999px;
  padding: 4px 10px;
  cursor: pointer;
  font: inherit;
}

.hero {
  max-width: 760px;
  margin: 40px auto 0;
  padding: 0 24px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 650;
  margin: 0 0 16px;
}

.lede { color: var(--muted); font-size: 1.1rem; max-width: 40rem; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.smartscreen { color: var(--muted); font-size: 0.88rem; max-width: 36rem; margin: 14px 0 0; }

.btn {
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 650;
}

.btn.primary { background: var(--accent); color: #08202b; }
.btn.ghost { color: var(--text); border: 1px solid var(--line); background: var(--field); }

.shot-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.desktop-wrap, .compare {
  max-width: 1080px;
  margin: 56px auto 0;
  padding: 0 24px;
}

.desktop {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #3a3a42;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.45);
}

.wallpaper {
  position: relative;
  min-height: 420px;
  background:
    radial-gradient(circle at 20% 20%, #3a5a78, transparent 42%),
    radial-gradient(circle at 80% 70%, #2a3d2e, transparent 40%),
    linear-gradient(160deg, #1a2740, #243018 55%, #3a2a1c);
  padding: 36px 28px 28px;
}

.icons {
  position: absolute;
  top: 18px;
  left: 16px;
  display: grid;
  gap: 14px;
}

.icons span {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
}

.switcher {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 14px;
  padding: 18px;
  background: rgba(24, 24, 27, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.tile {
  border-radius: 12px;
  padding: 8px;
  border: 1.2px solid #38383f;
  background: #1a1a1e;
}

.tile.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.preview {
  height: 132px;
  border-radius: 8px;
  overflow: hidden;
  background: #111;
}

.preview.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; }

.win { height: 100%; display: flex; flex-direction: column; font-size: 9px; color: #c8c8d0; }
.titlebar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 7px;
  background: #2a2a30;
}
.titlebar i { width: 6px; height: 6px; border-radius: 50%; background: #5c5c64; }
.titlebar i:first-child { background: #ff5f57; }
.titlebar i:nth-child(2) { background: #febc2e; }
.titlebar i:nth-child(3) { background: #28c840; }
.titlebar b { margin-left: 6px; font-weight: 600; }
.titlebar.tabs { gap: 3px; }
.titlebar.tabs s { width: 28px; height: 8px; border-radius: 3px; background: #3d3d46; }
.titlebar.tabs s.on { background: #5a5a66; width: 36px; }

.win .body { flex: 1; display: flex; min-height: 0; }
.win.code .body aside { width: 22%; background: #1e1e24; }
.win.code pre {
  flex: 1;
  margin: 8px;
  background: repeating-linear-gradient(#2b3344 0 4px, transparent 4px 10px);
  opacity: 0.7;
}
.win.mail .cols { display: grid; grid-template-columns: 1fr 1fr; }
.win.mail .cols div:first-child { background: #2a3140; }
.win.mail .cols div:last-child { background: #20262f; }

.win.browser .addr { height: 10px; margin: 4px 8px; border-radius: 6px; background: #2c2c34; }
.win.browser .page { flex: 1; background: linear-gradient(#3d2c22, #1c1612); }

.chat-body nav { width: 18%; background: #1b1b22; }
.chat-body .msgs { flex: 1; padding: 8px; display: grid; align-content: start; gap: 5px; background: #2b2d31; }
.chat-body .msgs b { height: 6px; border-radius: 3px; background: #4a4d55; }
.chat-body .msgs b:nth-child(2) { width: 70%; }

.badge {
  margin: 8px 4px 0;
  display: inline-block;
  padding: 2px 7px;
  border-radius: 6px;
  background: #121214;
  font-size: 10px;
  font-weight: 650;
}

.cap {
  margin: 8px 4px 2px;
  color: var(--muted);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cap em { font-style: normal; color: #8e8e96; }
.tile.selected .cap { color: var(--text); }

.app-dot { width: 8px; height: 8px; border-radius: 2px; background: #60cdff; }
.app-dot.fox { background: #e36b2c; }
.app-dot.disc { background: #5865f2; }

.taskbar {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 12px;
  background: rgba(20, 20, 24, 0.92);
  border-top: 1px solid #3a3a42;
}

.start {
  width: 18px;
  height: 18px;
  background: conic-gradient(#f35022 0 90deg, #80bc06 90deg 180deg, #05a6f0 180deg 270deg, #ffb903 270deg 360deg);
  clip-path: polygon(0 0, 46% 0, 46% 46%, 0 46%, 0 54%, 46% 54%, 46% 100%, 0 100%, 54% 100%, 54% 54%, 100% 54%, 100% 46%, 54% 46%, 54% 0, 100% 0, 100% 100%, 0 100%);
}

.search {
  width: 140px;
  height: 26px;
  border-radius: 14px;
  background: #2a2a30;
  color: #8a8a92;
  font-size: 12px;
  display: flex;
  align-items: center;
  padding: 0 12px;
}

.pins { display: flex; gap: 8px; }
.pins b { width: 16px; height: 16px; border-radius: 4px; background: #3d3d46; }
.tray { margin-left: auto; color: #c8c8d0; font-size: 12px; }

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.native, .ours {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px;
  border-radius: 14px;
  background: #1a1a1e;
  border: 1px solid var(--line);
  min-height: 92px;
}

.n-tile, .o-tile {
  padding: 10px 12px;
  border-radius: 8px;
  background: #2a2a30;
  font-size: 13px;
}

.n-tile.on, .o-tile.on {
  outline: 2px solid var(--accent);
  background: #24323a;
}

.note { color: var(--muted); font-size: 14px; margin: 10px 0 0; }

.settings-win {
  max-width: 420px;
  margin: 0 auto;
  background: #222226;
  border: 1px solid #3a3a42;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.wintitle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px 8px 14px;
  background: #2a2a30;
  font-size: 13px;
}

.winbtns { display: flex; gap: 8px; }
.winbtns i { width: 12px; height: 12px; border-radius: 50%; background: #5c5c64; }
.winbtns .x { background: #c42b1c; }

.settings-body { padding: 18px 18px 14px; }
.settings-body h3 { margin: 0; font-size: 22px; }
.settings-body .sub { margin: 4px 0 16px; color: var(--muted); font-size: 13px; }

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid #303036;
  font-size: 14px;
}

.row i {
  width: 36px;
  height: 20px;
  border-radius: 999px;
  background: #484850;
  position: relative;
}

.row i::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #d0d0d6;
}

.row.on i { background: #2b6d86; }
.row.on i::after { left: 18px; background: var(--accent); }
.row span { color: var(--muted); font-size: 12px; }

.features {
  max-width: 1080px;
  margin: 64px auto;
  padding: 0 24px 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.features article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.features h2 { margin: 0 0 8px; font-size: 1.05rem; }
.features p { margin: 0; color: var(--muted); }

footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 8px 24px 48px;
  color: var(--muted);
  font-size: 14px;
}

footer a { color: var(--accent); }

@media (max-width: 860px) {
  .switcher, .compare, .features { grid-template-columns: 1fr; }
  .wallpaper { min-height: auto; }
}