/* Reglas generales del navegador y accesibilidad. */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-cream);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
}

body:has(dialog[open]) {
  overflow: hidden;
}

img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

button {
  color: inherit;
  font: inherit;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: .48;
}

p, h1, h2, h3, figure, blockquote {
  margin: 0;
}

section {
  scroll-margin-top: var(--header-offset);
}

a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Accesibilidad: respetar la preferencia de reducir movimiento. */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

}