/* Shared styles for the overview, Windows and Mac pages. */
:root {
  color-scheme: light dark;
  --paper: #faf9f6;
  --ink: #242723;
  --muted: #656963;
  --line: #dedfd7;
  --green: #28603b;
  --surface: #fff;
  --nav-surface: #eeefe9;
  --on-primary: #fff;
  --key-shadow: #e6e7e0;
  --tab-shadow: #24272315;
  --selection: #d6e8d8;
  --link-underline: rgb(40 96 59 / 35%);
  --section-number: rgb(101 105 99 / 70%);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #181c18;
    --ink: #e8ece4;
    --muted: #b0b7ad;
    --line: #3c433d;
    --green: #9ad3a6;
    --surface: #2b322b;
    --nav-surface: #20251f;
    --on-primary: #181c18;
    --key-shadow: #101510;
    --tab-shadow: #0005;
    --selection: #34553d;
    --link-underline: rgb(154 211 166 / 50%);
    --section-number: #8e988b;
  }
}

/* Base elements */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; -webkit-text-size-adjust: 100%; tab-size: 4; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-sans); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
h1, h2, h3, p, figure, ol { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
h2 { font-size: 28px; font-weight: 600; letter-spacing: -.025em; line-height: 1.25; }
h3 { font-size: 1.125rem; font-weight: 600; letter-spacing: -.025em; line-height: 1.5556; }
p { text-wrap: pretty; }
a { color: inherit; text-decoration: inherit; text-underline-offset: 4px; }
a, button { -webkit-tap-highlight-color: transparent; }
button { font: inherit; color: inherit; border: 0; background: transparent; padding: 0; cursor: pointer; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--green); outline-offset: 5px; }
strong { font-weight: 600; color: var(--ink); }
code { font-family: var(--font-mono); font-size: .88em; overflow-wrap: anywhere; }
kbd { display: inline-block; border: 1px solid var(--line); border-radius: .25rem; background: var(--surface); padding: .25rem .5rem; font-family: var(--font-mono); font-size: .75rem; line-height: 1.3333; color: var(--ink); box-shadow: 0 2px 0 var(--key-shadow); white-space: nowrap; }
ol { padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
::selection { background: var(--selection); color: var(--ink); }

/* Page layout and navigation */
.shell { margin-inline: auto; max-width: 1064px; padding-inline: 1.5rem; }
.text-link { color: var(--green); text-decoration: underline; text-decoration-color: var(--link-underline); }
.text-link:hover { text-decoration-color: var(--green); }
.eyebrow { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .13em; color: var(--muted); }
.platform-link { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .375rem .875rem; font-size: .875rem; line-height: 1.4286; color: var(--muted); transition: color .15s, background-color .15s; }
.platform-link:hover, .nav-link:hover { color: var(--ink); }
.platform-link[aria-current="page"] { border-radius: .375rem; background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px var(--tab-shadow); }
.primary-link { display: inline-flex; align-items: center; justify-content: center; gap: 1.25rem; border-radius: .375rem; background: var(--ink); padding: .75rem 1.25rem; font-size: .875rem; line-height: 1.4286; font-weight: 500; color: var(--on-primary); }
.primary-link:hover { background: var(--green); }
.secondary-link:hover { border-color: var(--ink); }
.doc-section { display: grid; gap: 1.25rem; border-top: 1px solid var(--line); padding-block: 2.5rem; }
.section-label { display: flex; align-items: baseline; gap: .75rem; font-family: var(--font-mono); font-size: .75rem; line-height: 1.3333; color: var(--muted); }
.section-number { color: var(--section-number); }
.section-copy { max-width: 650px; color: var(--muted); }
.section-copy > * + * { margin-top: 1.25rem; }
.heading { color: var(--ink); }
.choice-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); padding-block: 1.25rem; transition: color .15s; }
.choice-row:hover { color: var(--green); }
.choice-row:last-child { border-bottom: 1px solid var(--line); }

.skip-link { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.25rem; border-bottom: 1px solid var(--line); padding-block: 1.5rem; }
.brand { display: flex; align-items: center; gap: .625rem; font-weight: 600; letter-spacing: -.025em; }
.brand-platform { margin-left: .5rem; font-family: var(--font-mono); font-size: 11px; font-weight: 400; color: var(--muted); }
.section-nav { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-size: 13px; color: var(--muted); }
.hero { padding-block: 3rem; }
.hero-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.platform-nav { display: inline-flex; border: 1px solid var(--line); border-radius: .5rem; background: var(--nav-surface); padding: .25rem; }
.hero-title { max-width: 860px; font-size: 40px; line-height: 1.09; font-weight: 600; letter-spacing: -.045em; }
.title-break { display: none; }
.hero-intro { margin-top: 1.5rem; max-width: 620px; font-size: 17px; line-height: 1.625; color: var(--muted); }
.separator { padding-inline: .5rem; }
.site-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; border-top: 1px solid var(--line); padding-block: 1.75rem; font-size: .75rem; line-height: 1.3333; color: var(--muted); }
.key-separator { padding-inline: .25rem; font-size: .75rem; line-height: 1.3333; }
.muted { color: var(--muted); }
.requirements { font-family: var(--font-mono); font-size: .75rem; line-height: 1.3333; }
.file-note { border-top: 1px solid var(--line); padding-top: 1.25rem; font-size: .875rem; line-height: 1.4286; }
.choice-title { display: block; font-size: 1.125rem; font-weight: 600; color: var(--ink); }
.choice-requirements { font-size: .75rem; line-height: 1.3333; color: var(--muted); }
.platform-shortcuts { display: flex; flex-wrap: wrap; gap: 1.25rem 2.5rem; }
.shortcut-label { margin-bottom: .5rem; font-size: .75rem; line-height: 1.3333; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-top: 1.75rem; }
.secondary-link { display: inline-flex; align-items: center; gap: 1.25rem; border: 1px solid var(--line); border-radius: .375rem; padding: .75rem 1.25rem; font-size: .875rem; line-height: 1.4286; font-weight: 500; }

.skip-link:focus { position: fixed; top: .75rem; left: .75rem; z-index: 50; width: auto; height: auto; margin: 0; overflow: visible; clip: auto; white-space: normal; background: var(--surface); padding: .75rem; }

/* Responsive layout */
@media (min-width: 640px) {
  .shell { padding-inline: 2.5rem; }
  .site-header { padding-block: 1.75rem; }
  .hero { padding-block: 4rem; }
  .hero-title { font-size: 58px; }
  .title-break { display: block; }
  .hero-intro { font-size: 1.125rem; }
  .doc-section { padding-block: 3.5rem; }
}
@media (min-width: 768px) {
  .doc-section { grid-template-columns: 180px 1fr; gap: 3rem; }
}
@media (min-width: 1024px) {
  .hero-title { font-size: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

.copy-types { padding-left: 1.25rem; }
.copy-types li + li { margin-top: .5rem; }

.footer-platforms { display: flex; gap: 1.25rem; }