/* Base compartida: tokens BD, barra de marca y pie legal.
   Los esquemas por rango (temas/black.css, platinum.css, gold.css) solo redefinen tokens. */
@font-face{font-family:"Cormorant Garamond";src:url("../fuentes/Cormorant-var.woff2") format("woff2");font-weight:300 700;font-style:normal;font-display:swap}
@font-face{font-family:"Cormorant Garamond";src:url("../fuentes/Cormorant-Italic-var.woff2") format("woff2");font-weight:300 700;font-style:italic;font-display:swap}
@font-face{font-family:"Figtree";src:url("../fuentes/Figtree-var.woff2") format("woff2");font-weight:300 900;font-style:normal;font-display:swap}
@font-face{font-family:"Albert Sans";src:url("../fuentes/AlbertSans-var.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fuentes/JetBrainsMono-var.woff2") format("woff2");font-weight:100 800;font-style:normal;font-display:swap}
:root{
  --bg:#f5f8fc; --surface:#ffffff; --fg:#0c2a4d; --muted:#5a6b80; --line:#d6e1ee;
  --azul:#00529b; --azul-hover:#00447f; --naranja:#ec6306;
  --btn-bg:var(--azul); --btn-bg-hover:var(--azul-hover); --btn-fg:#ffffff;
  --titulo:var(--azul); --detalle:var(--naranja);
  --barra-bg:#ffffff; --logo-placa:transparent;
  --carpeta-fondo:#003d73; --carpeta-tapa:#00529b; --carpeta-borde:#1f6fb8; --carpeta-hoja:#ffffff; --carpeta-linea:#d6e1ee;
  --sombra:rgba(12,42,77,.18);
  --display:"Cormorant Garamond","Iowan Old Style",Georgia,serif;
  --body:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:15px;line-height:1.5;display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);-webkit-font-smoothing:antialiased}
img{max-width:100%}
[hidden]{display:none!important}
.gutter{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}

.barra{background:var(--barra-bg);border-top:5px solid var(--detalle);border-bottom:1px solid var(--line);padding-block:14px}
.barra-in{max-width:1040px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
.barra a.marca{display:block;line-height:0;background:var(--logo-placa);border-radius:8px;padding:4px 6px;margin:-4px -6px}
.barra img{height:32px;width:auto;display:block;filter:var(--logo-filtro,none)}
.barra .etiqueta{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:600}

.pie{border-top:1px solid var(--line);background:var(--surface);padding-block:22px;font-size:12.5px;color:var(--muted)}
.pie-in{max-width:1040px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;align-items:flex-start}
.pie p{margin:0;max-width:62ch}
.pie strong{color:var(--fg);font-weight:600}
.pie nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.pie a{color:var(--fg);text-underline-offset:3px}
.pie a:hover{color:var(--titulo)}
.pie small{display:block;margin-top:6px;font-size:11.5px}

.btn{appearance:none;border:0;border-radius:999px;padding:13px 26px;font:600 15px var(--body);cursor:pointer;text-decoration:none;
  background:var(--btn-bg);color:var(--btn-fg);display:inline-flex;gap:10px;align-items:center;justify-content:center;transition:transform .15s,background .15s}
.btn:hover{background:var(--btn-bg-hover)} .btn:active{transform:scale(.97)}
.btn.sec{background:var(--surface);color:var(--titulo);box-shadow:inset 0 0 0 1px var(--line)}
.btn.sec:hover{box-shadow:inset 0 0 0 1px var(--titulo)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--detalle);outline-offset:3px}
.eyebrow{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:600}
@media (max-width:480px){.barra .etiqueta{display:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Controles accesibles sin cambiar la identidad visual. */
.btn{min-height:44px;box-sizing:border-box}
.btn:disabled{opacity:.65;cursor:progress}
.saltar{min-height:44px}
.pie a{display:inline-flex;align-items:center;min-height:44px}
input{caret-color:var(--azul)}
::selection{background:var(--titulo);color:var(--bg)}