/* Shared by the guide pages. The calculator page (index.html) carries its own copy of these colors inline. */
:root{
  --bg:#f2f4ef; --surface:#fcfcfb; --ink:#101613; --ink-2:#4a554e; --muted:#7c857e;
  --line:#dde1d8; --axis:#c2c7bd; --accent:#0d5c4a; --accent-ink:#ffffff; --wash:#e7ece4;
  --font-display:"Bricolage Grotesque", "Figtree", system-ui, sans-serif;
  --font-body:"Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0d100f; --surface:#1a1a19; --ink:#f3f5f0; --ink-2:#c1c7c0; --muted:#8b928b;
    --line:#2c302d; --axis:#3a3f3b; --accent:#63d1b2; --accent-ink:#0d100f; --wash:#232725; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0d100f; --surface:#1a1a19; --ink:#f3f5f0; --ink-2:#c1c7c0; --muted:#8b928b;
  --line:#2c302d; --axis:#3a3f3b; --accent:#63d1b2; --accent-ink:#0d100f; --wash:#232725; color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.6;margin:0}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,.signrow input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:820px;margin:0 auto;padding-inline:20px;padding-block:20px 56px;display:flex;flex-direction:column;gap:28px}
.top{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:14px}
.brand{font-size:.82rem;letter-spacing:.09em;text-transform:uppercase;font-weight:700;text-decoration:none}
.top nav{display:flex;gap:18px;font-size:.95rem;font-weight:600}
.top nav a{text-decoration:none;color:var(--ink-2)}
.top nav a:hover{color:var(--ink);text-decoration:underline}
.eyebrow{font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);font-weight:700;margin:0 0 10px}
h1{font-family:var(--font-display);font-weight:700;font-size:clamp(1.8rem,4.6vw,2.6rem);line-height:1.1;margin:0 0 14px;text-wrap:balance;letter-spacing:-0.01em}
article h2{font-size:1.3rem;line-height:1.25;margin:34px 0 8px}
article h3{font-size:1.05rem;margin:22px 0 4px}
article p,article ul,article ol{margin:0 0 14px}
article ul,article ol{padding-left:22px}
article li{margin-bottom:6px}
.short{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin:0 0 6px}
.short h2{font-size:.82rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2);margin:0 0 6px}
.short p:last-child,.short ul:last-child{margin-bottom:0}
.checked{font-size:.88rem;color:var(--ink-2);margin:12px 0 0}
.top-checked{margin:-6px 0 16px}
.note{border-left:3px solid var(--axis);padding:2px 0 2px 14px;color:var(--ink-2)}
sup.c{font-size:.72em;line-height:0;margin-left:1px}
sup.c a{text-decoration:none;font-weight:600;padding:0 1px}
.scroll{overflow-x:auto;margin:0 0 14px}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;vertical-align:top;padding:9px 12px;border-bottom:1px solid var(--line)}
thead th{font-size:.82rem;color:var(--ink-2);font-weight:600}
tbody th{font-weight:600;width:26%}
@media (max-width:640px){
  /* on a phone each table row becomes a card: the row heading on top, then each cell under its column heading */
  .scroll{overflow:visible}
  table,tbody,tr,th,td{display:block}
  thead{position:absolute;left:-9999px}
  tbody tr{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:0 0 10px}
  tbody th{width:auto;border:0;padding:0 0 4px;font-size:1rem}
  td{border:0;padding:5px 0}
  td::before{content:attr(data-label);display:block;font-size:.78rem;font-weight:600;color:var(--ink-2)}
}
.sources{border-top:1px solid var(--line);margin-top:34px;padding-top:6px}
.sources ol{font-size:.92rem;color:var(--ink-2);overflow-wrap:anywhere}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px}
.panel h2{font-size:1.05rem;margin:0 0 6px}
.cta{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between}
.cta p{margin:0;color:var(--ink-2);font-size:.95rem;max-width:46ch}
.btn{font:inherit;font-weight:600;background:var(--accent);color:var(--accent-ink);border:0;border-radius:8px;padding:10px 16px;cursor:pointer;text-decoration:none;display:inline-block}
.signup{background:var(--wash);border-color:transparent;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,360px);gap:14px 32px;align-items:center}
@media (max-width:760px){.signup{grid-template-columns:minmax(0,1fr)}}
.signup p{margin:0;color:var(--ink-2);font-size:.95rem}
.signrow{display:flex;flex-wrap:wrap;gap:10px}
.signrow input{flex:1 1 180px;min-width:0;font:inherit;padding:10px 12px;border:1px solid var(--axis);border-radius:8px;background:var(--surface);color:var(--ink)}
.signup .fine{margin:10px 0 0;font-size:.85rem}
.more h2{font-size:1.05rem;margin:0 0 8px}
.more ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:6px 24px}
.more li.here{color:var(--muted)}
footer p{font-size:.85rem;color:var(--ink-2);margin:0 0 8px}