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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 0.5rem);
}

/* Todo el sistema usa rem: al subir la raíz, la página escala en monitores grandes. */
@media (min-width: 120rem) {
  html {
    font-size: 112.5%;
  }
}

@media (min-width: 160rem) {
  html {
    font-size: 137.5%;
  }
}

@media (min-width: 240rem) {
  html {
    font-size: 175%;
  }
}

body {
  margin: 0;
  min-width: 17.5rem;
  overflow-x: hidden;
  overflow-x: clip;
  overflow-wrap: break-word;
  background: var(--color-canvas);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
}

[hidden] {
  display: none !important;
}

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

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  text-wrap: balance;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--color-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-navy);
}

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

::selection {
  background: var(--color-blue-soft);
  color: var(--color-ink);
}

/* Destinos de enlaces internos que reciben el foco por script: sin recuadro alrededor de toda la sección. */
[tabindex="-1"]:focus {
  outline: none;
}

.skip-link {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 20;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-navy);
  color: var(--color-white);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}