:root {
  color-scheme: dark;
  --bg: #090a0d;
  --surface: rgba(20, 22, 28, 0.68);
  --surface-solid: #111319;
  --line: rgba(255, 255, 255, 0.11);
  --text: #f5f7fb;
  --muted: #9da4b2;
  --accent: #8f9cff;
  --accent-strong: #6f7cff;
  --mint: #67e8c4;
  --warning: #ffcc72;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -20%, rgba(111, 124, 255, 0.16), transparent 38rem),
    var(--bg);
  overflow-x: hidden;
}

a { color: inherit; }

.ambient {
  position: fixed;
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  filter: blur(110px);
  opacity: 0.1;
  pointer-events: none;
}

.ambient-one { top: 18rem; left: -15rem; background: var(--accent); }
.ambient-two { right: -15rem; bottom: 3rem; background: var(--mint); }

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-size: 18px;
  font-weight: 760;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: #0b0c10;
  background: linear-gradient(145deg, #fff, #cbd1dc);
  border-radius: 50%;
  font-size: 15px;
  font-weight: 900;
  box-shadow: 0 8px 30px rgba(255,255,255,0.1);
}

.pilot-badge {
  padding: 7px 11px;
  color: #ccd2ff;
  background: rgba(111,124,255,0.1);
  border: 1px solid rgba(143,156,255,0.25);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
  padding: 92px 0 82px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: #c4caff;
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow { display: flex; align-items: center; gap: 9px; }
.eyebrow span { width: 20px; height: 1px; background: var(--accent); }

h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(46px, 6vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero-text {
  max-width: 620px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.65;
}

.download-actions { margin-top: 34px; }

.download-button {
  width: min(100%, 410px);
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  color: #090a0d;
  background: linear-gradient(135deg, #fff 0%, #dce1ee 100%);
  border: 1px solid rgba(255,255,255,0.85);
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(133,145,255,0.16), inset 0 1px rgba(255,255,255,0.9);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.download-button:hover { transform: translateY(-2px); box-shadow: 0 24px 70px rgba(133,145,255,0.25); }
.download-button:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.download-button strong { display: block; font-size: 16px; }
.download-button small { display: block; margin-top: 3px; color: #5b6270; font-size: 12px; }
.download-button .arrow { margin-left: auto; font-size: 22px; font-weight: 400; }
.download-button.is-loading { pointer-events: none; opacity: 0.72; }

.windows-icon {
  width: 28px;
  height: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  transform: perspective(40px) rotateY(-5deg);
}
.windows-icon i { display: block; background: #17191f; }

.compatibility { margin: 10px 0 0 4px; color: #737b89; font-size: 12px; }

.product-card {
  position: relative;
  overflow: hidden;
  min-height: 410px;
  background: linear-gradient(150deg, rgba(29,32,42,0.82), rgba(12,14,18,0.92));
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 24px;
  box-shadow: 0 38px 100px rgba(0,0,0,0.42), inset 0 1px rgba(255,255,255,0.06);
  transform: perspective(1200px) rotateY(-3deg) rotateX(1deg);
}

.product-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255,255,255,0.08), transparent 35%);
  pointer-events: none;
}

.window-bar {
  height: 52px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
}
.window-bar span { width: 8px; height: 8px; border-radius: 50%; background: #454a56; }
.window-bar span:first-child { background: #ff7171; }
.window-bar em { margin-left: 8px; color: #9ca3b1; font-size: 12px; font-style: normal; }

.product-body { min-height: 358px; display: grid; grid-template-columns: 56px 1fr; }
.product-sidebar { display: flex; flex-direction: column; align-items: center; gap: 22px; padding-top: 17px; border-right: 1px solid var(--line); }
.product-sidebar b { width: 27px; height: 27px; display: grid; place-items: center; color: #13151b; background: white; border-radius: 9px; font-size: 11px; }
.product-sidebar i { width: 15px; height: 15px; border: 1px solid #4b505d; border-radius: 5px; }
.product-content { padding: 24px; }
.status-row { display: flex; align-items: center; gap: 9px; color: #adb4c2; font-size: 12px; }
.status-row strong { margin-left: auto; color: var(--mint); font-size: 11px; }
.status-dot { width: 7px; height: 7px; background: var(--mint); border-radius: 50%; box-shadow: 0 0 14px var(--mint); }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.metric-grid div, .sync-card { background: rgba(255,255,255,0.035); border: 1px solid var(--line); border-radius: 14px; }
.metric-grid div { padding: 17px; }
.metric-grid small { display: block; color: #7f8795; font-size: 10px; }
.metric-grid strong { display: block; margin-top: 6px; font-size: 14px; }
.sync-card { margin-top: 14px; padding: 19px; }
.sync-heading { display: flex; justify-content: space-between; color: #949baa; font-size: 11px; }
.sync-heading strong { color: #d8dce6; }
.progress { height: 5px; margin-top: 18px; overflow: hidden; background: #292c35; border-radius: 99px; }
.progress span { display: block; width: 78%; height: 100%; background: linear-gradient(90deg, var(--accent-strong), var(--mint)); border-radius: inherit; }
.sync-card p { margin: 17px 0 0; color: #838b99; font-size: 11px; line-height: 1.55; }

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-strip > div { display: flex; gap: 16px; padding: 26px 24px; }
.trust-strip > div + div { border-left: 1px solid var(--line); }
.trust-strip span { color: #636b79; font: 700 11px ui-monospace, monospace; }
.trust-strip p { margin: 0; color: #7f8795; font-size: 12px; line-height: 1.5; }
.trust-strip strong { display: block; margin-bottom: 3px; color: #dfe3ec; font-size: 13px; }

.details-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 22px; padding: 88px 0 110px; }
.details-grid article { padding: clamp(24px, 4vw, 42px); background: var(--surface); border: 1px solid var(--line); border-radius: 22px; backdrop-filter: blur(18px); }
.details-grid h2 { margin: 0; font-size: clamp(25px, 3vw, 34px); letter-spacing: -0.04em; }
.install-card ol { display: grid; gap: 20px; margin: 32px 0 0; padding: 0; list-style: none; }
.install-card li { display: flex; gap: 14px; }
.install-card li > span { flex: 0 0 auto; width: 28px; height: 28px; display: grid; place-items: center; color: #c8ceff; background: rgba(111,124,255,0.12); border: 1px solid rgba(143,156,255,0.22); border-radius: 9px; font-size: 11px; font-weight: 800; }
.install-card li p { margin: 0; color: #8f97a5; font-size: 13px; line-height: 1.55; }
.install-card li strong { display: block; margin-bottom: 2px; color: #e8eaf0; font-size: 14px; }
.security-card > p:not(.section-kicker) { color: #979eac; font-size: 14px; line-height: 1.65; }
.security-card h2 { color: #fff1d2; }
.checksum-box { display: flex; align-items: center; gap: 12px; margin-top: 26px; padding: 14px; background: #0b0c10; border: 1px solid var(--line); border-radius: 13px; }
.checksum-box > div { min-width: 0; flex: 1; }
.checksum-box span { display: block; margin-bottom: 6px; color: #777f8d; font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; }
.checksum-box code { display: block; overflow: hidden; color: #cbd0da; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.checksum-box button { flex: 0 0 auto; padding: 8px 11px; color: #dce0e9; background: #1b1e25; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.checksum-box button:disabled { cursor: not-allowed; opacity: 0.45; }
.checksum-link { display: inline-block; margin-top: 13px; color: #aeb6ff; font-size: 12px; text-decoration: none; }
.checksum-link:hover { text-decoration: underline; }

footer { min-height: 100px; display: flex; align-items: center; gap: 24px; border-top: 1px solid var(--line); color: #737b89; font-size: 12px; }
footer p { margin: 0; }
footer > a { margin-left: auto; color: #aab1bf; text-decoration: none; }
.footer-brand { font-size: 14px; }
.footer-brand .brand-mark { width: 28px; height: 28px; font-size: 11px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .product-card { width: min(100%, 620px); transform: none; }
  .details-grid { grid-template-columns: 1fr; }
}

@media (max-width: 650px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header { height: 72px; }
  .hero { min-height: auto; padding: 60px 0; }
  h1 { font-size: clamp(42px, 13vw, 60px); }
  .product-card { min-height: 345px; }
  .product-body { min-height: 293px; grid-template-columns: 44px 1fr; }
  .product-content { padding: 17px; }
  .trust-strip { grid-template-columns: 1fr; }
  .trust-strip > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .details-grid { padding: 64px 0 76px; }
  .checksum-box { align-items: flex-end; }
  footer { flex-wrap: wrap; gap: 12px; padding: 24px 0; }
  footer > a { width: 100%; margin-left: 39px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
