:root {
  color-scheme: light dark;
  --fondo: #fafaf9;
  --texto: #1c1917;
  --suave: #57534e;
  --linea: #e7e5e4;
  --tarjeta: #ffffff;
  --acento: #18181b;
  --acento-texto: #fafafa;
  --aviso: #ecfdf5;
  --aviso-linea: #a7f3d0;
  --enlace: #1d4ed8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #121110;
    --texto: #f5f5f4;
    --suave: #a8a29e;
    --linea: #292524;
    --tarjeta: #1c1917;
    --acento: #fafafa;
    --acento-texto: #18181b;
    --aviso: #052e1c;
    --aviso-linea: #14532d;
    --enlace: #93c5fd;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--enlace); text-underline-offset: 3px; }
a:focus-visible { outline: 3px solid var(--enlace); outline-offset: 2px; border-radius: 2px; }

.cabecera, main, .pie { width: 100%; max-width: 46rem; margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }
.cabecera { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1.25rem; padding-bottom: 1.25rem; }
.marca { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; letter-spacing: .01em; color: var(--texto); text-decoration: none; }
.marca svg { width: 2rem; height: 2rem; flex: none; }
.cabecera nav a { color: var(--suave); text-decoration: none; font-size: .95rem; }
.cabecera nav a:hover { color: var(--texto); text-decoration: underline; }

main { padding-top: 1rem; padding-bottom: 3rem; }
h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); line-height: 1.15; margin: 1.5rem 0 1rem; letter-spacing: -.02em; }
h2 { font-size: 1.3rem; margin: 2.5rem 0 .75rem; letter-spacing: -.01em; }
p, li { margin: 0 0 1rem; overflow-wrap: anywhere; }
code { font: .88em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; word-break: break-all; background: var(--tarjeta); border: 1px solid var(--linea); border-radius: .35rem; padding: .05rem .3rem; }
.lead { font-size: 1.2rem; color: var(--suave); max-width: 38rem; }
.fecha { color: var(--suave); font-size: .95rem; margin-top: -.25rem; }

.tarjetas { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.tarjetas li { background: var(--tarjeta); border: 1px solid var(--linea); border-radius: .9rem; padding: 1rem 1.1rem; margin: 0; }
.tarjetas strong { display: block; margin-bottom: .2rem; }
.tarjetas span { color: var(--suave); font-size: .97rem; display: block; }

.resumen { background: var(--aviso); border: 1px solid var(--aviso-linea); border-radius: .9rem; padding: 1rem 1.2rem; margin: 1.5rem 0; }
.resumen p { margin: 0; }

table { width: 100%; border-collapse: collapse; margin: 1rem 0 1.5rem; font-size: .98rem; }
th, td { text-align: left; vertical-align: top; padding: .7rem .8rem; border-bottom: 1px solid var(--linea); overflow-wrap: anywhere; }
th { font-weight: 600; color: var(--suave); font-size: .9rem; }
ul.lista { padding-left: 1.25rem; }
ul.lista li { margin-bottom: .5rem; }

.pie { border-top: 1px solid var(--linea); color: var(--suave); font-size: .92rem; padding-top: 1.25rem; padding-bottom: 2.5rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.pie a { color: var(--suave); }

@media (max-width: 34rem) {
  body { font-size: 16px; }
  th, td { padding: .6rem .4rem; }
}
@media print { .cabecera nav { display: none; } }