/* Site pages. Colours come from chrome.css. */
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
main > *, .grid > *, .gallery > * { min-width: 0; }
a { color: var(--accent); text-underline-offset: 4px; }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.025em; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4vw, 3.5rem); margin: 48px 0 16px; max-width: 24ch; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 64px 0 20px; }
h3 { font-size: 1.15rem; margin: 28px 0 12px; }
p, li { color: var(--fg); }
li + li { margin-top: 8px; }
p { max-width: 80ch; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 64ch; }
.muted { color: var(--muted); }
code { font: .9em var(--mono); background: var(--chip-bg); padding: 1px 6px; border-radius: 5px; overflow-wrap: anywhere; }
pre { margin: 0; max-width: 100%; overflow-x: auto; }
pre code { display: block; background: none; padding: 18px 20px; font-size: 14px; line-height: 1.65; overflow-wrap: normal; }
pre.cmd { border: 1px solid var(--code-line); border-radius: 12px; background: var(--code-bg); }
.c-com { color: #8b9bb8; font-style: italic; }
.c-str { color: #8be0a4; }
.c-num { color: var(--accent-2); }
.c-kw { color: var(--accent); font-weight: 600; }
table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: .95rem; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; background: var(--surface); }
td code { overflow-wrap: anywhere; }

/* Buttons and section headings */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 16px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 48px; padding: 12px 20px; border-radius: 10px; border: 1px solid var(--line); color: var(--fg); text-decoration: none; font-weight: 650; }
.btn:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #04121a; }
.btn.primary:hover { background: #a2edf5; }
.eyebrow { color: var(--accent); font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 16px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; font-weight: 600; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 16px; }
.section-heading h2, .section-heading .eyebrow { margin: 0 0 8px; }

/* Home: show the game before asking visitors to read code. */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 40px; align-items: center; padding: 64px 0 48px; border-bottom: 1px solid var(--line); }
.hero h1 { font-size: clamp(2.3rem, 4.4vw, 3.9rem); line-height: 1.05; margin: 0 0 24px; max-width: 13ch; letter-spacing: -.045em; }
.hero h1 span { color: var(--accent); }
.hero .lead { font-size: 1.06rem; max-width: 44ch; }
.hero-meta { color: var(--muted); font-size: .8rem; margin: 16px 0 0; }
.hero-meta span { padding: 0 5px; }
.hero figure { margin: 0; }
.hero-preview { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow-lg); }
.hero-preview > a { display: block; }
.hero-preview .shot { display: block; width: 100%; }
.hero-preview figcaption { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; font-size: .85rem; }
.code-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; margin: 72px 0; padding: 32px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.code-intro h2 { margin-top: 0; }
.code-intro .listing { margin: 0; }

/* Cards and galleries retain the full frame, including the game's HUD. */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 16px; margin: 20px 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.card h3 { margin: 0 0 12px; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
a.card { display: block; color: inherit; text-decoration: none; }
a.card:hover { border-color: var(--accent); }
.tile { padding: 0; overflow: hidden; }
.tile img { display: block; width: 100%; height: auto; }
.tile div { padding: 20px; }
.demo-section { margin: 72px 0 0; }
.gallery-heading { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 32px 0 16px; }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.demo-card { display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: inherit; text-decoration: none; }
.demo-card:hover { border-color: var(--accent); }
.gallery figure { margin: 0; }
.gallery img { display: block; width: 100%; height: auto; }
.gallery figcaption { padding: 18px 20px; }
.gallery h4 { display: flex; justify-content: space-between; gap: 8px; margin: 0 0 6px; font-size: 1.05rem; }
.gallery h4 span { color: var(--accent); }
.gallery p { margin: 0; color: var(--muted); font-size: .9rem; }
.note { border-left: 3px solid var(--accent-2); background: var(--surface); padding: 16px 20px; border-radius: 0 10px 10px 0; margin: 24px 0; }
.note p { margin: 4px 0; }
.badge { display: inline-block; font: 600 .7rem var(--mono); padding: 4px 9px; border-radius: 6px; vertical-align: middle; }
.badge.dbc { background: var(--dbc-bg); color: var(--dbc); }
.badge.dbpro { background: var(--dbpro-bg); color: var(--dbpro); }
.yes { color: var(--ok); }

/* Code listings */
.listing { border: 1px solid var(--code-line); border-radius: 12px; overflow: hidden; margin: 20px 0; background: var(--code-bg); }
.listing-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 12px; padding: 0 16px; border-bottom: 1px solid var(--code-line); font: 13px var(--mono); color: var(--muted); }
.listing-head span { overflow-wrap: anywhere; padding: 12px 0; }
.listing-head small { margin-left: 8px; padding: 1px 7px; border-radius: 5px; background: var(--chip-bg); font-size: 11px; }
.listing-head a { display: inline-flex; align-items: center; min-height: 44px; }
.listing pre code { color: var(--code-fg); }

/* Tutorials */
.tutorial { max-width: 820px; margin-inline: auto; }
.tutorial .shot { display: block; width: 100%; max-width: 640px; height: auto; border-radius: 12px; border: 1px solid var(--line); margin: 24px 0; }
.crumbs { margin-top: 24px; font-size: .9rem; color: var(--muted); }
.media-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 24px; }
a.media { display: flex; min-width: 0; max-width: 100%; align-items: center; gap: 12px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--fg); text-decoration: none; }
a.media:hover { border-color: var(--accent); }
a.media img, .media-kind { width: 48px; height: 48px; flex: 0 0 48px; border-radius: 6px; object-fit: cover; }
.media-kind { display: grid; place-items: center; background: var(--chip-bg); color: var(--muted); font-size: .65rem; text-align: center; line-height: 1.1; }
a.media span { min-width: 0; display: flex; flex-direction: column; }
a.media small { color: var(--muted); font-size: .75rem; overflow-wrap: anywhere; }
a.ref code { color: var(--accent); }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); }
.pager a { display: inline-flex; align-items: center; min-height: 44px; }

@media (max-width: 960px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-top: 40px; }
  .hero h1 { max-width: 17ch; }
  .hero .lead { max-width: 58ch; }
  .hero-preview { max-width: 720px; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .professional-gallery { grid-template-columns: minmax(0, 1fr); }
  .code-intro { gap: 24px; padding: 24px; }
}
@media (max-width: 600px) {
  main { padding: 0 20px; }
  h1 { margin-top: 32px; }
  h2 { margin-top: 48px; }
  .hero { padding: 32px 0; }
  .hero h1 { font-size: clamp(2.15rem, 9vw, 3rem); margin-bottom: 20px; }
  .hero .lead { font-size: 1rem; }
  .hero-meta { font-size: .75rem; }
  .hero-meta span { padding: 0 2px; }
  .actions { gap: 10px; }
  .actions .btn { flex: 1 1 auto; }
  .hero .actions .btn { flex: 1 1 130px; padding-inline: 12px; font-size: .9rem; }
  .hero-preview figcaption { padding: 12px; font-size: .8rem; }
  .section-heading { flex-direction: column; align-items: start; gap: 0; }
  .demo-section { margin-top: 48px; }
  .gallery { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .card { padding: 20px; }
  .tile { padding: 0; }
  .code-intro { grid-template-columns: minmax(0, 1fr); margin: 48px 0; padding: 20px; }
  .code-intro > div { min-width: 0; }
  table { display: block; max-width: 100%; overflow-x: auto; }
  th, td { padding: 10px 12px; }
  .pager { flex-direction: column; gap: 8px; }
}