@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

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

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

@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;
  }
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-weight: var(--fw-bold);
  line-height: var(--leading-tight);
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-4);
}

h1 {
  font-size: var(--text-4xl);
  letter-spacing: -0.02em;
}
h2 {
  font-size: var(--text-3xl);
  letter-spacing: -0.01em;
}
h3 {
  font-size: var(--text-xl);
}

p {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
}

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

button {
  font-family: inherit;
}

/* Foco visible siempre — público 35-55, muchos navegando con teclado/lectores */
:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.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;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -60px;
  background: var(--color-primary-dark);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--duration-base) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-4);
}

@media (max-width: 768px) {
  h1 {
    font-size: var(--text-3xl);
  }
  h2 {
    font-size: var(--text-2xl);
  }
}