.apps-hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 72px;
  align-items: end;
  min-height: 560px;
  padding: 96px 0 80px;
}
.apps-hero h1 { max-width: 760px; }
.platform-switch { border-block: 1px solid var(--line); }
.platform-switch a {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 4px 18px;
  padding: 24px 4px;
  text-decoration: none;
  transition: color 160ms, padding 160ms;
}
.platform-switch a + a { border-top: 1px solid var(--line); }
.platform-switch a:hover { color: var(--orange); padding-left: 12px; }
.platform-switch span { grid-row: span 2; color: var(--orange); font: 12px var(--body); }
.platform-switch strong { font-size: 24px; font-weight: 500; }
.platform-switch small { color: var(--muted); }
.install-section { padding: 88px 0; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.install-heading { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 64px; align-items: end; margin-bottom: 52px; }
.install-heading h2 { margin-top: 18px; }
.install-heading > p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.install-layout { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 24px; }
.install-layout.reverse { grid-template-columns: 0.65fr 1.35fr; }
.install-steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.install-steps li { display: grid; grid-template-columns: 48px 1fr; gap: 20px; padding: 25px 8px; border-bottom: 1px solid var(--line); }
.install-steps li > span, .platform-code { color: var(--orange); font: 11px var(--body); letter-spacing: 0.08em; }
.install-steps strong { font-size: 19px; font-weight: 550; }
.install-steps p { max-width: 620px; margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.download-panel { display: flex; flex-direction: column; justify-content: space-between; min-height: 270px; padding: 28px; background: #191d22; border: 1px solid var(--line); }
.download-panel .button { margin: auto 0 16px; }
.download-panel p { margin: 0; color: var(--muted); font-size: 12px; }
.button-disabled { cursor: not-allowed; background: #24282e; color: var(--muted); }
.owner-note { margin-top: 28px; padding: 20px 0; border-block: 1px solid var(--line); color: var(--muted); }
.owner-note summary { cursor: pointer; color: var(--ink); font-weight: 600; }
.owner-note div { max-width: 820px; padding-top: 16px; }
.owner-note code { color: var(--orange); }
.first-run { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; padding: 88px 52px; margin-bottom: 88px; background: #191e24; }
.first-run h2 { margin-top: 22px; }
.first-run > ol { list-style: none; margin: 0; padding: 0; }
.first-run li { display: grid; grid-template-columns: 30px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid #ffffff18; }
.first-run li > span { color: var(--orange); }
.first-run li p { margin: 0; color: var(--muted); }
.first-run li strong { color: var(--ink); font-weight: 600; }
.first-run aside { grid-column: 2; padding-top: 20px; }
.first-run aside p { color: var(--muted); }
@media (max-width: 900px) {
  .apps-hero, .install-heading, .install-layout, .install-layout.reverse, .first-run { grid-template-columns: 1fr; }
  .apps-hero { min-height: 0; }
  .download-panel { min-height: 220px; }
  .install-layout.reverse .download-panel { order: 2; }
  .first-run aside { grid-column: 1; }
}
@media (max-width: 620px) {
  .apps-hero { padding-top: 64px; }
  .install-section { padding-block: 64px; }
  .first-run { padding: 48px 24px; margin-inline: -24px; }
}