/* Carta Firme · estilos compartidos para páginas de texto (guías, legales, consulta). Una columna de lectura. */
:root{
  --bg:#f3f4f7; --surface:#ffffff; --paper:#fdfdfb; --ink:#16203a; --muted:#5b6478; --line:#d9dce5;
  --accent:#1f3fae; --accent-soft:#e6ebfa; --stamp:#b3261e; --stamp-soft:#fbe9e7; --ok:#1d7a4a; --warn:#9a5b00; --warn-soft:#fdf1dc;
  --f-display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --f-body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"Courier New",monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0f1320; --surface:#171c2c; --paper:#1d2335; --ink:#e7eaf3; --muted:#9aa3b8; --line:#2c3449;
  --accent:#8ea6ff; --accent-soft:#222c4d; --stamp:#ff8a80; --stamp-soft:#3a1f22; --ok:#5fd49a; --warn:#f2b45a; --warn-soft:#3a2e17; color-scheme:dark}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:var(--accent)}
.top{border-bottom:1px solid var(--line)}
.top .in{max-width:1120px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.mark{width:30px;height:30px;border:2px solid var(--stamp);border-radius:50%;display:grid;place-items:center;color:var(--stamp);font-family:var(--f-display);font-weight:750;font-size:11px;transform:rotate(-8deg)}
.brand b{font-family:var(--f-display);font-size:19px;font-weight:750}
.top nav{display:flex;gap:16px;font-size:14px;flex-wrap:wrap}
.top nav a{color:var(--muted);text-decoration:none}
main.read{max-width:720px;margin:0 auto;padding-block:36px 48px}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--stamp)}
h1,h2,h3{font-family:var(--f-display);letter-spacing:-.015em;text-wrap:balance;line-height:1.15}
h1{font-size:clamp(28px,4.6vw,40px);margin:8px 0 12px}
h2{font-size:22px;margin:34px 0 8px}
h3{font-size:17px;margin:22px 0 6px}
p,li{max-width:68ch}
.lead{font-size:18px;color:var(--muted)}
.box{background:var(--warn-soft);border-left:3px solid var(--warn);border-radius:6px;padding:12px 14px;margin:18px 0;font-size:15px}
.box.urg{background:var(--stamp-soft);border-left-color:var(--stamp)}
.cta{background:var(--accent-soft);border-radius:12px;padding:18px;margin:30px 0;display:flex;flex-direction:column;gap:10px}
.cta b{font-family:var(--f-display);font-size:18px}
.btn{display:inline-block;font:inherit;font-weight:600;text-decoration:none;border:0;border-radius:9px;padding:12px 18px;cursor:pointer;background:var(--accent);color:var(--surface);text-align:center}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.row{display:flex;flex-wrap:wrap;gap:10px}
table{border-collapse:collapse;width:100%;font-size:15px}
.tw{overflow-x:auto}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;color:var(--muted)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:14px}
.f{display:flex;flex-direction:column;gap:4px}
.f label{font-size:14px;font-weight:500}
input,textarea,select{font:inherit;font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:10px 12px;width:100%}
textarea{min-height:110px;resize:vertical}
.check{display:flex;gap:8px;align-items:flex-start;font-size:15px}
.check input{width:auto;margin-top:4px}
.hint{font-size:13px;color:var(--muted)}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
footer.site{border-top:1px solid var(--line);padding-block:24px 40px;font-size:13px;color:var(--muted)}
footer.site .in{max-width:1120px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
footer.site .links{display:flex;flex-wrap:wrap;gap:8px 18px}
footer.site a{color:var(--muted)}
footer.site .legal{font-size:12px;max-width:95ch}