/* Topical-map pages (tools/render.mjs). Builds on site.css tokens. */
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip:focus{position:fixed;top:8px;left:8px;width:auto;height:auto;clip:auto;background:#fff;padding:8px 12px;z-index:100}
:focus-visible{outline:2px solid var(--blue-dark);outline-offset:2px}

/* menu with dropdowns */
nav.site-nav{position:relative;z-index:30}
nav.site-nav .container{align-items:center;flex-wrap:wrap}
.dd{position:relative}
.dd-btn{background:none;border:0;padding:0;cursor:pointer;display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-family:inherit;font-weight:700;font-size:.95rem;line-height:1.6}
.dd-btn:hover,.dd.open .dd-btn{color:var(--blue-dark)}
.dd.open .dd-btn svg{transform:rotate(180deg)}
.dd-panel{display:none;position:absolute;top:calc(100% + 12px);left:0;z-index:50;min-width:270px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 40px -16px rgba(1,34,47,.35);padding:12px}
.dd-panel::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.dd.open .dd-panel{display:block}
.dd.open .dd-wide{display:grid;grid-template-columns:repeat(3,minmax(190px,1fr));gap:4px 18px;min-width:640px}
.dd-col{display:grid;align-content:start}
.dd-title{font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-dark);padding:4px 10px 6px}
nav.site-nav .dd-panel a{display:block;padding:6px 10px;border-radius:7px;font-weight:600;font-size:.9rem;color:var(--ink)}
nav.site-nav .dd-panel a:hover{background:var(--bg);color:var(--blue-dark)}
@media (hover:hover) and (min-width:821px){
  .dd:hover .dd-panel{display:block}
  .dd:hover .dd-wide{display:grid;grid-template-columns:repeat(3,minmax(190px,1fr));gap:4px 18px;min-width:640px}
}
@media (max-width:820px){
  .page-hero .lead-card{display:none}
  nav.site-nav .container{overflow:visible;flex-wrap:wrap;gap:6px 18px}
  .dd{position:static}
  .dd-panel,.dd.open .dd-wide{position:absolute;left:12px;right:12px;min-width:0;max-height:70vh;overflow-y:auto;grid-template-columns:1fr}
}

/* page hero */
.page-hero{padding:40px 0 56px}
.crumbs{font-size:.85rem;color:#b9cad2;margin-bottom:12px}
.crumbs a{color:#d7ecf3;text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs .sep{opacity:.5;margin:0 4px}
.crumbs [aria-current]{color:#fff}
.snippet a{color:#d7ecf3}

/* article + rail */
.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding-top:44px;padding-bottom:56px;align-items:start}
.article{min-width:0}
.article h2{font-size:1.6rem;margin:1.8em 0 .6em;scroll-margin-top:20px}
.article h2:first-child{margin-top:0}
.article h3{font-size:1.18rem;margin:1.4em 0 .4em}
.article p,.article li{color:#374650;max-width:74ch}
.article ul,.article ol{padding-left:1.3em;display:grid;gap:.4em}
.article a{color:var(--blue-dark)}
.table-wrap{overflow-x:auto;margin:1.2em 0}
.table-wrap .data-table{min-width:520px;margin:0}
.data-fact{display:block;margin:1.4em 0;background:var(--bg);border-left:4px solid var(--blue);border-radius:0 10px 10px 0;padding:16px 20px;color:var(--navy);font-weight:600}
.fact-label{display:block;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-dark);margin-bottom:6px}
.article details.faq p{margin-bottom:0}
.rail{position:sticky;top:20px;display:grid;gap:16px}
.rail-card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:18px}
.rail-label{display:block;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-dark);margin-bottom:8px}
.toc ol{margin:0;padding-left:1.1em;display:grid;gap:6px;font-size:.9rem;max-height:42vh;overflow-y:auto}
.toc a,.rail-net a{color:var(--ink);text-decoration:none}
.toc a:hover,.rail-net a:hover{color:var(--blue-dark);text-decoration:underline}
.rail-net{list-style:none;margin:0;padding:0;display:grid;gap:2px;font-size:.92rem}
.rail-net li{padding:5px 8px;border-radius:7px}
.rail-net li.current{background:#fff;font-weight:700;color:var(--navy)}
.rail-call{background:var(--navy);border-color:var(--navy);color:#d7e6ec}
.rail-call .rail-label{color:var(--blue)}
.rail-call p{margin:0 0 14px;font-size:.92rem}
.rail-call .btn{width:100%;justify-content:center;margin-top:8px}
.rail-call .btn-navy{background:transparent;border-color:#d7e6ec}
.topic-card{display:block;text-decoration:none;color:inherit;transition:border-color .15s}
.topic-card:hover{border-color:var(--blue)}
.topic-card p{margin:0;color:var(--muted);font-size:.92rem}
.topics,.related{background:var(--bg)}
.topics h2,.related h2{font-size:1.5rem}
.foot-grid.foot-4{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
footer.site h3{color:#fff;font-size:1rem;margin:0 0 10px}
footer.site .foot-4 a{display:block;margin-bottom:6px;text-decoration:none;font-size:.92rem}
footer.site .foot-4 a:hover{text-decoration:underline}
@media (max-width:980px){
  .page-grid{grid-template-columns:1fr;gap:28px}
  .rail{position:static}
  .toc{display:none}
  .foot-grid.foot-4{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){.foot-grid.foot-4{grid-template-columns:1fr}}