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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

h1 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.15;
}
h2 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.2;
}
h3 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.25;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Sin esto, un `display: flex` propio le gana al atributo `hidden`. */
[hidden] {
  display: none !important;
}

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

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

button {
  cursor: pointer;
}

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

.muted {
  color: var(--color-muted);
}

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

.skip-link {
  position: absolute;
  left: var(--space-lg);
  top: -60px;
  z-index: 100;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}
.skip-link:focus {
  top: var(--space-md);
}

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