:root{
  --bg:#f5f1e8;--surface:#fffdf8;--surface-2:#efe8da;--ink:#1c1a15;--muted:#6d6658;--line:#e3dbcc;
  --accent:#1d4f7a;--on-accent:#ffffff;--board:#f5cf2e;--board-ink:#121212;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Helvetica Neue",Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#13120f;--surface:#1d1b17;--surface-2:#28251f;--ink:#efe9dd;--muted:#a59d8d;--line:#35322a;
  --accent:#8db8e3;--on-accent:#0f1720;color-scheme:dark;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans)}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}

header.site{border-bottom:1px solid var(--line);background:var(--surface)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:8px 20px;min-height:62px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:700 21px/1 var(--serif)}
.brand svg{width:30px;height:30px;flex:none}
nav.top{display:flex;flex-wrap:wrap;gap:4px 18px;font-size:15px}
nav.top a{color:var(--muted);text-decoration:none;font-weight:600}
nav.top a:hover,nav.top a[aria-current="page"]{color:var(--ink)}

main{padding:44px 0 72px}
h1,h2,h3{font-family:var(--serif);line-height:1.15;letter-spacing:-.005em}
h1{font-size:clamp(32px,6vw,52px);margin:0 0 14px}
h2{font-size:clamp(24px,3.6vw,30px);margin:52px 0 16px}
h3{font-size:21px;margin:0}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.lede{font-size:clamp(17px,2.2vw,19px);color:var(--muted);max-width:640px;margin:0}
.meta{color:var(--muted);font-size:14px}

/* drill cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.card .shot{display:block;aspect-ratio:16/10;background:var(--surface-2);border-bottom:1px solid var(--line);overflow:hidden}
.card .shot img{display:block;width:100%;height:100%;object-fit:cover}
.card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card p{margin:0;color:var(--muted)}
.tag{align-self:flex-start;font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--surface-2);color:var(--ink)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:12px;font-weight:700;text-decoration:none;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn:hover{filter:brightness(1.06)}

.steps{list-style:none;padding:0;margin:0;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));counter-reset:s}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:28px;height:28px;border-radius:7px;background:var(--board);color:var(--board-ink);font-weight:800;margin-bottom:10px;box-shadow:inset 0 0 0 1.5px var(--board-ink)}
.steps b{display:block;margin-bottom:4px}
.steps span{color:var(--muted)}

.linklist{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.linklist li{border-bottom:1px solid var(--line)}
.linklist a{display:flex;justify-content:space-between;align-items:baseline;gap:6px 16px;flex-wrap:wrap;padding:14px 2px;text-decoration:none;color:var(--ink);font-weight:600}
.linklist a span{color:var(--muted);font-weight:400}
.linklist a:hover b{text-decoration:underline}

/* prose pages */
.prose p,.prose li{max-width:68ch}
.prose h2{font-size:24px;margin:36px 0 10px}
.prose ul{padding-left:22px}
.prose li{margin:6px 0}

/* study lists */
.cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;background:var(--surface);border:1px solid var(--line);border-left:6px solid var(--board);border-radius:14px;padding:16px 20px;margin:26px 0 0}
.cta p{margin:0;font-weight:600}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0;padding:0;list-style:none}
.toc a{display:inline-block;padding:6px 13px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink);font-size:14px;font-weight:600;background:var(--surface)}
.cities{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:14px}
.city{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;break-inside:avoid}
.city h3{font-size:20px;display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.city h3 small{font:700 13px var(--sans);color:var(--muted)}
.city .ctry{margin:0 0 8px;color:var(--muted);font-size:14px}
.city ul{margin:0;padding:0;list-style:none}
.city li{padding:6px 0;border-top:1px dashed var(--line);font-size:14.5px;line-height:1.4}
.city li b{margin-right:6px}
.confused{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr))}
.confused div{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:15px;line-height:1.45}
.confused .not{display:block;color:var(--muted);font-size:14px;margin-top:2px}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);background:var(--surface-2)}
tr:last-child td{border-bottom:0}
td .note{display:block;color:var(--muted);font-size:13.5px;margin-top:2px;line-height:1.4}
td.hq{font-weight:600;min-width:9em}
.badge{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;padding:1px 6px;border-radius:5px;margin-left:6px;vertical-align:2px;background:var(--board);color:var(--board-ink)}
@media (max-width:560px){th,td{padding:9px 10px}table{font-size:14.5px}}

footer.site{border-top:1px solid var(--line);background:var(--surface);padding:28px 0 32px;font-size:14px;color:var(--muted)}
footer.site nav{display:flex;flex-wrap:wrap;gap:6px 18px;margin-bottom:10px}
footer.site a{color:var(--ink);text-decoration:none;font-weight:600}
footer.site a:hover{text-decoration:underline}
footer.site p{margin:4px 0}

@media print{
  header.site,footer.site,.cta,.toc{display:none}
  body{background:#fff;color:#000}
  main{padding:0}
  .city,.tablewrap,.confused div{border-color:#bbb}
}