:root {
  --bg: #f6f7fb; --panel: #ffffff; --text: #1b2030; --muted: #4b5468; --line: #d9deea;
  --accent: #1f5fd6; --accent-text: #ffffff; --callout: #fff6dd; --callout-line: #e3c76b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141b; --panel: #1b1f2a; --text: #e8ebf3; --muted: #aab2c5; --line: #2e3445;
    --accent: #6a9bff; --accent-text: #0b1020; --callout: #2a2512; --callout-line: #6b5a1e;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 "Segoe UI", "Malgun Gothic", system-ui, sans-serif; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--panel); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
.hero { padding: 40px 0 32px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; gap: 28px; align-items: center; grid-template-columns: 1fr; }
@media (min-width: 860px) { .hero-grid { grid-template-columns: 5fr 7fr; } }
h1 { font-size: 2.4rem; margin: 0; line-height: 1.2; }
h2 { font-size: 1.5rem; margin: 40px 0 16px; }
h3 { margin: 0 0 4px; font-size: 1.1rem; }
.lead { font-size: 1.25rem; margin: 8px 0; }
.sub, .small, .meta, .desc { color: var(--muted); }
.small { font-size: .9rem; margin: 6px 0; }
.note { min-height: 1.4em; }
.hero-img { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0 8px; }
.btn { display: inline-block; padding: 10px 20px; border-radius: 8px; background: var(--accent); color: var(--accent-text); font-weight: 600; text-decoration: none; border: 2px solid var(--accent); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.small { padding: 6px 14px; font-size: .95rem; }
.btn.is-pending { background: transparent; color: var(--muted); border-color: var(--line); cursor: default; }
.steps { padding-left: 1.3em; }
.callout { background: var(--callout); border: 1px solid var(--callout-line); border-radius: 8px; padding: 12px 16px; }
.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.gallery { background: var(--bg); padding: 8px 8px 4px; }
.shot { display: flex; justify-content: center; align-items: center; height: 240px; }
.shot img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.shot-caption { margin: 4px 0 6px; text-align: center; font-size: .85rem; color: var(--muted); min-height: 1.4em; }
.thumbs { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; padding-bottom: 6px; }
.thumb { width: 52px; height: 40px; padding: 3px; border: 2px solid var(--line); border-radius: 6px; background: var(--panel); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.thumb.is-on { border-color: var(--accent); }
.thumb:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.features { margin: 4px 0; padding-left: 1.2em; font-size: .93rem; }
.features li { margin: 2px 0; }
.requires { margin: 0; font-size: .9rem; color: var(--muted); }
.requires strong { color: var(--text); }
.card .body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .desc { margin: 0; font-size: .95rem; flex: 1; }
.card .meta { margin: 0; font-size: .85rem; }
.card .btn { align-self: flex-start; }
.links { columns: 2 220px; padding-left: 1.2em; }
footer { margin-top: 48px; padding: 24px 0 40px; border-top: 1px solid var(--line); }
footer p { margin: 4px 0; }