/* Shared styles for the "Why OpenBEP" pages, one page per language. */
:root{
  --bg:#F3F5F2;--surface:#FFFFFF;--sunk:#E9EDE8;--ink:#14201D;--muted:#5A6662;--line:#D5DBD5;
  --accent:#1C55C9;--accent-soft:#E3EBFB;--bad:#B8400E;--bad-soft:#FBE6DC;--good:#2C7A4B;--good-soft:#E2F2E8;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --r:6px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1412;--surface:#151D1B;--sunk:#1B2522;--ink:#E4EBE8;--muted:#97A39F;--line:#2A3632;
    --accent:#7AA2FF;--accent-soft:#1D2A47;--bad:#FF8556;--bad-soft:#3A1E12;--good:#63C78F;--good-soft:#15301F;
  }
}
:root[data-theme="dark"]{
  --bg:#0E1412;--surface:#151D1B;--sunk:#1B2522;--ink:#E4EBE8;--muted:#97A39F;--line:#2A3632;
  --accent:#7AA2FF;--accent-soft:#1D2A47;--bad:#FF8556;--bad-soft:#3A1E12;--good:#63C78F;--good-soft:#15301F;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--f-body)}
a{color:var(--accent)}
.wrap{max-width:46rem;margin:0 auto;padding:0 16px}
header.top{border-bottom:1px solid var(--line);background:var(--surface)}
header.top .wrap{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between;padding-top:12px;padding-bottom:12px}
.brand{font:700 1.15rem var(--f-display);color:var(--ink);text-decoration:none}
.top-links{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;font-size:.95rem}
.lang{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.lang a,.lang span{display:inline-block;padding:2px 8px;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;font-size:.85rem}
.lang span{background:var(--accent-soft);border-color:var(--accent);color:var(--ink)}
main.wrap{padding-top:32px;padding-bottom:48px}
.box h2{margin-top:4px}
h1{font:700 clamp(1.9rem,6vw,2.6rem)/1.15 var(--f-display);margin:0 0 12px}
h2{font:700 1.4rem/1.25 var(--f-display);margin:40px 0 12px}
h3{font:600 1.05rem/1.3 var(--f-display);margin:24px 0 8px}
.lede{font-size:1.15rem;color:var(--ink);margin:0 0 8px}
.sub{color:var(--muted);margin:0}
ul{padding-left:1.2em}
li{margin:6px 0}
.box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 20px;margin:16px 0}
.box.key{border-left:4px solid var(--bad)}
.box.fix{border-left:4px solid var(--good)}
.evidence li{margin:10px 0}
sup a{text-decoration:none;font-size:.75em;padding:0 1px}
sup+sup::before{content:",";font-size:.75em}  /* separate adjacent footnote links: 3,7 not 37 */
.sources{font-size:.92rem}
.sources li{margin:8px 0;overflow-wrap:anywhere}
.sources .who{color:var(--muted)}
.note{color:var(--muted);font-size:.92rem}
.cta{display:inline-block;margin-top:8px;padding:10px 16px;border-radius:var(--r);background:var(--accent);color:#fff;text-decoration:none;font-weight:600}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .cta{color:#0B1020}}
:root[data-theme="dark"] .cta{color:#0B1020}
footer{border-top:1px solid var(--line);padding:20px 0 32px;color:var(--muted);font-size:.9rem}