/* System fonts and local assets keep the site independent of third-party requests. */
:root {
  color-scheme: light dark;
  --paper: #f8faf7;
  --surface: #ffffff;
  --ink: #1b2c23;
  --muted: #526359;
  --accent: #006d36;
  --tint: #e4f2e8;
  --line: #d4e1d8;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.7 system-ui, sans-serif; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .15em; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: .2rem; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.03em; scroll-margin-top: 1.5rem; }
h1 { margin: 0 0 1.5rem; font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: 1.6rem; margin-top: 2.5rem; }
h3 { font-size: 1.2rem; margin-top: 1.8rem; }
p, ul, ol { margin: 1rem 0; }
li { margin: .5rem 0; }
.site-header, .site-footer, .home, .guide-layout { max-width: 1160px; margin: auto; padding-inline: 2rem; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.25rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); font-size: 1.65rem; font-weight: 750; text-decoration: none; letter-spacing: -.04em; }
.brand img { border-radius: .7rem; }
.language-menu { position: relative; margin-inline-start: auto; font-size: .9rem; }
.language-menu summary { cursor: pointer; padding: .5rem .75rem; border: 1px solid var(--line); border-radius: .5rem; }
.language-menu ul { position: absolute; inset-inline-end: 0; top: calc(100% + .4rem); z-index: 2; margin: 0; list-style: none; min-width: 100%; width: max-content; max-width: min(18rem, calc(100vw - 2.5rem)); max-height: min(24rem, 60vh); overflow-y: auto; padding: .35rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--surface); box-shadow: 0 .4rem 1rem #0002; }
.language-menu li { margin: 0; }
.language-menu a { display: block; padding: .6rem .75rem; border-radius: .25rem; text-decoration: none; overflow-wrap: anywhere; }
.language-menu a:hover, .language-menu a[aria-current] { background: var(--tint); }
.language-menu a:focus-visible { outline-offset: -3px; }
.language-menu a[aria-current] { color: var(--ink); font-weight: 650; }
.notice { margin: 0 0 1.5rem; padding: .7rem 1rem; border-inline-start: 3px solid var(--accent); background: var(--tint); }
.notice button { margin-inline-start: .5rem; font: inherit; color: var(--muted); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }
.home { padding-block: 3rem 4rem; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.hero .intro { font-size: 1.15rem; max-width: 40ch; }
.hero-art { width: 100%; border-radius: 1.5rem; }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-block: 1.5rem; }
.button { display: inline-block; padding: .7rem 1.1rem; border: 1px solid var(--accent); border-radius: .7rem; font-weight: 650; text-decoration: none; }
.button.primary { background: var(--accent); color: var(--surface); }
.button:hover { text-decoration: underline; }
.meta, figcaption { color: var(--muted); font-size: .9rem; }
.home-section { margin-top: 4rem; }
.home-section > h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); }
.feature-list { max-width: 70ch; padding-inline-start: 1.2rem; }
.screenshots { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; align-items: start; }
figure { margin: 0; }
.screenshots img { display: block; border: 1px solid var(--line); border-radius: 1rem; }
.screenshots .phone { max-width: 260px; margin-inline: auto; }
figcaption { margin-top: .75rem; }
.download-panel { padding: 2rem; border-radius: 1.2rem; background: var(--tint); }
.download-panel h2 { margin-top: 0; }
.guide-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 3rem; padding-block: 3rem 4rem; }
.guide-nav { display: flex; flex-direction: column; gap: .25rem; align-self: start; position: sticky; top: 1.5rem; }
.guide-nav h2 { font-size: .85rem; letter-spacing: 0; color: var(--muted); margin: 1.5rem .7rem .3rem; }
.guide-nav h2:first-child { margin-top: 0; }
.guide-nav a { padding: .45rem .7rem; text-decoration: none; border-radius: .4rem; }
.guide-nav a:hover, .guide-nav a[aria-current] { background: var(--tint); }
.guide-nav a[aria-current] { font-weight: 650; }
.prose { max-width: 760px; min-width: 0; overflow-wrap: break-word; }
.standalone { margin: auto; padding: 3rem 1.5rem 4rem; }
.prose > :first-child { margin-top: 0; }
blockquote { margin: 1.5rem 0; padding: .2rem 1.2rem; border-inline-start: 3px solid var(--accent); background: var(--tint); }
code { font-size: .9em; overflow-wrap: anywhere; }
pre { padding: 1rem; overflow: auto; background: var(--tint); border-radius: .5rem; }
pre code { overflow-wrap: normal; }
table { display: block; overflow-x: auto; border-collapse: collapse; margin-block: 1.5rem; }
th, td { padding: .6rem .8rem; border-bottom: 1px solid var(--line); text-align: start; vertical-align: top; }
th { background: var(--tint); }
.site-footer { display: flex; flex-wrap: wrap; gap: .7rem 1.5rem; padding-block: 1.5rem; border-top: 1px solid var(--line); font-size: .85rem; }
.site-footer > span { color: var(--muted); margin-inline-end: auto; }
.skip { position: absolute; top: -5rem; left: 1rem; background: var(--surface); padding: .7rem; z-index: 1; }
.skip:focus { top: 1rem; }
@media (max-width: 800px) {
  .site-header, .site-footer, .home, .guide-layout { padding-inline: 1.25rem; }
  .hero { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero h1 { max-width: 18ch; }
  .hero-art { max-width: 600px; }
  .guide-layout { display: block; padding-top: 1.5rem; }
  .guide-nav { position: static; flex-direction: row; flex-wrap: wrap; margin-bottom: 2.5rem; font-size: .9rem; }
  .guide-nav h2 { flex-basis: 100%; }
}
@media (max-width: 480px) {
  .site-header { flex-wrap: wrap; }
  .home { padding-top: 2rem; }
  .screenshots { grid-template-columns: 1fr; }
  .download-panel { padding: 1.25rem; }
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #141d18; --surface: #1c2820; --ink: #e5eee7; --muted: #b2c3b7; --accent: #8cdda8; --tint: #263a2d; --line: #3b4d40; }
}