/* Reset y fundamentos globales */

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

html {
  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: var(--type-body);
  color: var(--color-text-primary);
  background: var(--color-bg-base);
  -webkit-font-smoothing: antialiased;
}

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

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

a {
  color: inherit;
}

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

ul {
  padding: 0;
  list-style: none;
}

.h1 { font: var(--type-h1); color: var(--color-text-strong); }
.h2 { font: var(--type-h2); color: var(--color-text-strong); }
.h3 { font: var(--type-h3); color: var(--color-text-strong); }
.h4 { font: var(--type-h4); color: var(--color-text-strong); }
.body-lg { font: var(--type-body-lg); }
.text-small { font: var(--type-small); }
.text-caption { font: var(--type-caption); color: rgba(43, 43, 43, 0.6); }

.eyebrow {
  font: var(--type-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--space-xxl) 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

@media (max-width: 767px) {
  .section {
    padding: var(--space-xl) 0;
  }
}

/* Utilidades de accesibilidad */
.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;
}

.skip-link {
  position: absolute;
  left: var(--space-m);
  top: -100px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-s) var(--space-m);
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top var(--motion-fast);
}

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

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

/* Reveal al hacer scroll */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--motion-standard), transform var(--motion-standard);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}