/* base.css - reinicio, tipografía, foco, utilidades. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--fondo); color: var(--texto);
  font-family: var(--f-ui); font-size: 16px; line-height: 1.6; overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
img { height: auto; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--primario); }
[hidden] { display: none !important; }
h1 { font-family: var(--f-display); font-size: clamp(28px, 22px + 2vw, 44px); line-height: 1.15; color: var(--secundario); text-wrap: balance; }
h2 { font-size: clamp(22px, 19px + 1vw, 30px); line-height: 1.25; color: var(--secundario); }
h3 { font-size: 18px; line-height: 1.3; }
:focus-visible { outline: 3px solid var(--primario); outline-offset: 2px; }
.oscuro :focus-visible { outline-color: var(--celeste); }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.saltar { position: absolute; left: 8px; top: -80px; z-index: 300; background: var(--primario); color: #fff; padding: 12px 16px; border-radius: 8px; min-height: var(--tactil); display: inline-flex; align-items: center; }
.saltar:focus { top: 8px; }
.contenedor { width: 100%; max-width: 1100px; margin: 0 auto; padding-inline: var(--gutter); }
.seccion { padding-block: 40px; }
.seccion--alt { background: var(--fondo-alt); }
.sobretitulo { font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--primario); margin-bottom: 8px; }
.bajada { color: var(--texto2); max-width: 62ch; margin-top: 8px; }
.texto-chico { font-size: 14px; }
.pila { display: grid; gap: 16px; }
.pila--chica { gap: 8px; }
.fila { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.icono { width: 24px; height: 24px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.noscript { padding: 24px; background: var(--ejemplo-fondo); color: var(--ejemplo-texto); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}