:root {
  --bg: #202122;
  --ink: #f4f1ea;
  --muted: #a39e96;
  --line: rgba(244, 241, 234, 0.14);
  --orange: #f37a2d;
  --orange-deep: #d6742e;
  --card: #28292b;
  --sans: "Instrument Sans", "Avenir Next", "Segoe UI", sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(243, 122, 45, 0.16), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.5;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.top {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px 32px;
  background: rgba(32, 33, 34, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
}

.brand img { height: 34px; width: auto; }

.appnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-left: auto;
}

.appnav a {
  text-decoration: none;
  font-size: 14px;
  letter-spacing: -0.01em;
  color: var(--muted);
}

.appnav a:hover { color: var(--ink); }

.lang { display: flex; gap: 4px; }

.lang button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 6px 8px;
  cursor: pointer;
  border-radius: 999px;
}

.lang button[aria-pressed="true"] {
  color: var(--bg);
  background: var(--orange);
}

main {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding-bottom: 80px;
}

.hero {
  padding: 72px 0 28px;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(48px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.catalog { margin-top: 28px; }

.card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  align-items: center;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}

.card:last-child { border-bottom: 1px solid var(--line); }

.card img {
  width: 108px;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.card h2 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.card:hover h2 { color: var(--orange); }

.card .summary { margin-top: 10px; }

.app-index a {
  color: var(--muted);
  text-decoration: none;
}

.app-index a:hover { color: var(--ink); }

.app h1 {
  font-size: clamp(44px, 6vw, 72px);
}

.app {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.78fr);
  gap: 48px 56px;
  align-items: start;
}

.app-index {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.app-index b {
  color: var(--orange);
  font-weight: 500;
}

.identity {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.identity img {
  width: 52px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.kicker {
  margin: 0 0 4px;
  color: var(--orange-deep);
  font-size: 14px;
}

.app h2 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.version {
  margin-left: 10px;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0;
  color: var(--muted);
}

.summary {
  margin: 18px 0 0;
  font-size: 20px;
  letter-spacing: -0.02em;
  max-width: 36ch;
}

.lead {
  margin: 14px 0 0;
  color: var(--muted);
  max-width: 52ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 12px 18px;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.btn.primary { background: var(--orange); color: #1a120c; }
.btn.primary:hover { background: #ff8a3d; }
.btn.ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn.ghost:hover { border-color: rgba(244, 241, 234, 0.4); }

.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.platforms li {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
}

.stage {
  position: sticky;
  top: 96px;
  background: var(--card);
  border-radius: 28px;
  padding: 28px 28px 22px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.stage img {
  width: min(100%, 280px);
  margin: 0 auto;
  border-radius: 18px;
}

.steps {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.steps li {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.steps strong {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
}

.steps span { color: var(--muted); font-size: 15px; }

.facts {
  grid-column: 1 / -1;
  margin: 8px 0 0;
}

.facts div {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 8px 18px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.facts dt { color: var(--muted); font-size: 14px; }
.facts dd { margin: 0; }

.note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 78ch;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer img { height: 26px; width: auto; opacity: 0.9; }
footer p { margin: 0; font-size: 14px; }

@media (max-width: 860px) {
  .top { padding: 14px 16px; gap: 14px; }
  .appnav { display: none; }
  main, footer { width: min(1120px, calc(100% - 32px)); }
  .hero { padding-top: 40px; }
  .card { grid-template-columns: 84px 1fr; gap: 16px; }
  .card img { width: 84px; }
  .app, .steps, .facts { grid-template-columns: 1fr; }
  .stage { position: static; }
  .facts div { grid-template-columns: 1fr; gap: 2px; }
}