/* ==========================================================================
   DISTRA — Base: reset + tipografía global
   ========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-light);
  line-height: var(--lh-body);
  color: var(--text-main);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button { cursor: pointer; background: none; border: 0; }

ul, ol { list-style: none; }

/* ---- Encabezados ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); line-height: var(--lh-snug); }
h4 { font-size: var(--fs-lg); line-height: var(--lh-snug); }

h1 em, h2 em, h3 em {
  font-style: italic;
  color: var(--accent);
}

p { max-width: 62ch; }

strong { font-weight: var(--fw-medium); }

::selection {
  background: var(--c-bronze-light);
  color: var(--c-ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Accesibilidad */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: -100px;
  z-index: 1000;
  padding: var(--sp-3) var(--sp-5);
  background: var(--c-ink);
  color: var(--c-ivory);
}
.skip-link:focus { top: var(--sp-4); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}