:root {
  color-scheme: dark;
  --page: #0b0f12;
  --surface: #12181c;
  --surface-strong: #182126;
  --line: #29353b;
  --text: #f4f7f8;
  --muted: #a9b5ba;
  --accent: #18c6c0;
  --accent-strong: #08a9d4;
  --success: #70d69d;
  --content: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.site-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  display: block;
  object-fit: contain;
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--text);
}

.intro {
  padding: 76px 0 48px;
  max-width: 760px;
}

.status,
.section-label {
  margin: 0 0 14px;
  color: var(--success);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.status {
  display: flex;
  align-items: center;
  gap: 9px;
}

.status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

h1,
h2,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 72px);
  line-height: 1.05;
}

h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.25;
}

.lead {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 20px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 17px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  color: #041313;
}

.button.primary:hover {
  background: #43d5cf;
}

.button.secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.button.secondary:hover {
  border-color: var(--accent-strong);
}

.availability {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.product-view {
  overflow: hidden;
  min-height: 300px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #050708;
}

.product-view img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 690px;
  object-fit: contain;
}

.details,
.release {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 64px;
  padding: 76px 0;
  border-bottom: 1px solid var(--line);
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list li {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.feature-list span,
.release p,
.legal-page p,
.legal-page li {
  color: var(--muted);
}

.release dl {
  margin: 0;
}

.release dl div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

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

.release dt {
  color: var(--muted);
}

.release dd {
  margin: 0;
  text-align: right;
}

footer {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

footer p {
  margin: 0;
  font-weight: 700;
}

.legal-page {
  max-width: 760px;
  padding: 64px 0 84px;
}

.legal-page h1 {
  font-size: 44px;
}

.legal-page h2 {
  margin-top: 38px;
  font-size: 22px;
}

.legal-page ul {
  padding-left: 22px;
}

@media (max-width: 720px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header {
    padding: 16px 0;
  }

  nav {
    width: 100%;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .intro {
    padding-top: 56px;
  }

  .details,
  .release {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 58px 0;
  }

  .feature-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  footer {
    padding: 26px 0;
  }
}