:root { color-scheme: light; --ink:#172d34; --muted:#4d6269; --paper:#f5f6f2; --line:#cbd5cf; --accent:#17614d; }
* { box-sizing:border-box; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif; }
a { color:var(--accent); text-underline-offset:4px; }
a:focus-visible, summary:focus-visible { outline:3px solid #ab5c0a; outline-offset:5px; }
.skip { position:absolute; top:-80px; padding:12px; background:white; z-index:2; }
.skip:focus { top:8px; }
.masthead { display:flex; align-items:center; gap:18px; padding:24px 5vw; border-bottom:1px solid var(--line); font-size:.9rem; }
.brand { font-weight:850; font-size:1.25rem; letter-spacing:.08em; }
.tag { margin-left:auto; border:1px solid var(--accent); padding:4px 12px; border-radius:30px; color:var(--accent); }
main, footer { max-width:1320px; margin:auto; padding:0 5vw; }
.intro { padding-top:64px; padding-bottom:44px; max-width:900px; }
.eyebrow { text-transform:uppercase; letter-spacing:.12em; color:var(--accent); font-size:.76rem; font-weight:750; }
h1 { font-size:clamp(2.3rem,4.5vw,4.3rem); line-height:1.07; font-weight:700; letter-spacing:-.045em; margin:22px 0; }
h2 { font-size:1.5rem; letter-spacing:-.025em; }
h3 { line-height:1.3; }
.lede { font-size:1.1rem; color:var(--muted); max-width:710px; }
.notice { padding:12px 16px; background:#e4eee5; border-left:3px solid var(--accent); }
.live-note { font-size:.9rem; color:var(--muted); }
.section-heading { display:flex; align-items:center; justify-content:space-between; gap:16px; border-top:1px solid var(--line); margin-top:20px; }
.section-heading span { font-size:.8rem; color:var(--muted); }
.catalog { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px; }
.card { display:block; text-decoration:none; color:var(--ink); background:#fff; border:1px solid var(--line); border-radius:8px; padding:20px; }
.card:hover, .card[aria-current="true"] { border-color:var(--accent); box-shadow:0 0 0 1px var(--accent); }
.card h3 { margin:12px 0; }
.card p { margin:8px 0; font-size:.85rem; color:var(--muted); overflow-wrap:anywhere; }
.badge { display:inline-block; font-size:.7rem; font-weight:750; letter-spacing:.04em; border-radius:4px; padding:4px 7px; background:#edf0e9; color:var(--ink); }
#detail { margin:44px 0 56px; scroll-margin-top:20px; }
.overview { padding:24px; background:#fff; border:1px solid var(--line); border-radius:8px; }
.facts { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px 28px; }
dl { margin:0; }
dt { color:var(--muted); font-size:.78rem; }
dd { margin:3px 0 15px; overflow-wrap:anywhere; }
.chain { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; margin-top:20px; }
.panel { background:#fff; padding:22px; border:1px solid var(--line); border-radius:8px; min-width:0; }
.panel h3 { margin-top:0; }
.panel p { overflow-wrap:anywhere; }
.timeline { padding-left:22px; }
.timeline li { margin-bottom:16px; padding-left:6px; overflow-wrap:anywhere; }
.timeline small { display:block; color:var(--muted); }
details { margin-top:14px; }
summary { cursor:pointer; color:var(--accent); font-size:.88rem; }
pre { white-space:pre-wrap; overflow-wrap:anywhere; background:#f3f5f1; padding:14px; font:12px/1.6 ui-monospace,monospace; max-height:440px; overflow:auto; }
.error { border-left:3px solid #a12c23; padding:16px; background:#fff0ed; }
footer { border-top:1px solid var(--line); padding-top:24px; padding-bottom:40px; font-size:.85rem; color:var(--muted); }
footer a { margin-right:22px; }
@media(max-width:1050px) { .catalog { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:650px) { .masthead { flex-wrap:wrap; gap:10px; } .tag { margin-left:0; } .catalog,.chain,.facts { grid-template-columns:1fr; } .section-heading { align-items:flex-start; flex-direction:column; gap:0; } .intro { padding-top:35px; } }