/* ============================================================
   BASE — reset ligero + tipografía global. Mobile-first.
   ============================================================ */

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

body {
  margin: 0;
  font-family: var(--bl-font-text);
  font-size: var(--bl-text-base);
  line-height: var(--bl-leading-base);
  color: var(--bl-ink-900);
  background: var(--bl-surface-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--bl-font-display);
  line-height: var(--bl-leading-tight);
  letter-spacing: -0.02em;
  margin: 0 0 var(--bl-space-4);
}

h1 { font-size: var(--bl-text-4xl); font-weight: 800; }
h2 { font-size: var(--bl-text-3xl); font-weight: 700; }
h3 { font-size: var(--bl-text-xl);  font-weight: 700; }

@media (min-width: 768px) {
  h1 { font-size: var(--bl-text-5xl); }
  h2 { font-size: var(--bl-text-4xl); }
}

p { margin: 0 0 var(--bl-space-4); color: var(--bl-ink-600); }

a { color: var(--bl-brand-600); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* Contenedores */
.bl-container {
  max-width: var(--bl-container);
  margin-inline: auto;
  padding-inline: var(--bl-space-4);
}

.bl-section { padding-block: var(--bl-space-16); }

@media (min-width: 768px) {
  .bl-section { padding-block: var(--bl-space-28); }
}

/* Accesibilidad */
:focus-visible {
  outline: 2px solid var(--bl-brand-500);
  outline-offset: 2px;
  border-radius: var(--bl-radius-sm);
}

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