/* Shared presentation for static, JavaScript-independent guides. */
:root { color-scheme: dark; --bg: #141916; --surface: #1c211e; --sage: #9aaf9e; --tan: #c9b5a2; --text: #f0ede9; --muted: #b3bcb5; --line: #3d493f; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.75 'DM Sans', -apple-system, system-ui, sans-serif; }
a { color: var(--tan); text-underline-offset: 4px; }
a:hover { color: var(--text); }
a:focus-visible { outline: 2px solid var(--tan); outline-offset: 5px; }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1080px; padding-inline: 28px; margin-inline: auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 24px Georgia, serif; text-decoration: none; color: var(--text); }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: .9rem; }
main { padding-block: 30px 64px; }
.guide-header { max-width: 840px; margin: 0 auto 36px; }
.breadcrumb, .updated { font-size: .82rem; color: var(--muted); }
.breadcrumb { margin: 0 0 42px; }
.eyebrow { color: var(--sage); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 600; }
h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; font-weight: 400; line-height: 1.2; text-wrap: balance; }
h1 { font-size: clamp(2.35rem, 5.2vw, 4.1rem); margin: 16px 0 24px; letter-spacing: -.03em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 0 0 20px; letter-spacing: -.015em; }
h3 { font-size: 1.4rem; margin-top: 32px; }
.lead { font-size: 1.18rem; color: var(--sage); line-height: 1.7; max-width: 740px; }
.updated { margin-top: 24px; }
.contents { max-width: 840px; margin: 0 auto 48px; padding: 24px 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
.contents h2 { font: 600 .8rem/1.5 -apple-system, system-ui, sans-serif; color: var(--sage); text-transform: uppercase; letter-spacing: .08em; margin: 0 0 10px; }
.contents ul { display: flex; flex-wrap: wrap; gap: 10px 28px; list-style: none; padding: 0; margin: 0; font-size: .9rem; }
.prose { max-width: 760px; margin-inline: auto; }
.prose section { margin-block: 48px; scroll-margin-top: 24px; }
.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--text); font-weight: 600; }
.prose li { margin-block: 12px; padding-left: 4px; }
.prose ul, .prose ol { padding-left: 24px; }
.formula { padding: 20px 24px; border-left: 3px solid var(--sage); background: var(--surface); color: var(--text) !important; }
.table-wrap { max-width: 100%; margin-block: 24px; }
table { width: 100%; border-collapse: collapse; font-size: .94rem; font-variant-numeric: tabular-nums; }
caption { text-align: left; color: var(--muted); font-size: .82rem; padding-bottom: 12px; }
th, td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; }
thead { background: var(--surface); color: var(--sage); }
th { font-weight: 500; }
td { color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 13px 24px; border-radius: 999px; background: var(--sage); color: var(--bg); text-decoration: none; font-weight: 600; line-height: 1.5; }
.button:hover { background: #afc2b1; color: var(--bg); }
.actions { display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: center; margin-top: 24px; }
.callout { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px 32px; }
.callout .eyebrow { color: var(--sage); }
.screenshots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; margin-block: 40px; }
figure { margin: 0; }
figure img { display: block; width: 100%; max-width: 280px; margin-inline: auto; border: 1px solid var(--line); border-radius: 20px; }
figcaption { font-size: .85rem; color: var(--muted); margin: 18px auto 0; max-width: 320px; }
.single-shot { max-width: 320px; margin: 32px auto; }
.related { max-width: 760px; margin: 56px auto 0; border-top: 1px solid var(--line); padding-top: 32px; }
.related ul { padding-left: 20px; }
.related li { margin-block: 12px; }
footer { border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-block: 28px; font-size: .82rem; color: var(--muted); }
footer div { display: flex; gap: 20px; }
.skip { position: absolute; top: -100px; left: 16px; padding: 12px; background: var(--surface); z-index: 2; }
.skip:focus { top: 12px; }
@media (max-width: 600px) {
  .wrap { padding-inline: 20px; }
  .site-header { flex-wrap: wrap; gap: 14px; padding-block: 20px; }
  .site-header nav { font-size: .85rem; gap: 24px; }
  .breadcrumb { margin-bottom: 30px; }
  .lead { font-size: 1.05rem; }
  .contents { padding: 22px; }
  .contents ul { display: block; }
  .contents li + li { margin-top: 12px; }
  .prose section { margin-block: 38px; }
  .screenshots { grid-template-columns: 1fr; gap: 36px; }
  .callout { padding: 24px 20px; }
  .formula { padding: 16px; }
  table { font-size: .8rem; }
  th, td { padding: 12px 5px; }
}