/* ============================================================
   BASE — Reset moderno, tipografía base, utilidades, reveal
   ============================================================ */

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  hanging-punctuation: first last;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--color-smoke-charcoal);
  color: var(--color-warm-ivory);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

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

img {
  height: auto;
}

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

p, h1, h2, h3, h4 {
  overflow-wrap: break-word;
}

h1, h2, h3, h4 {
  line-height: var(--leading-tight);
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ── Accesibilidad: foco visible ─────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-gold-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Skip link ───────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-gold-accent);
  color: var(--color-smoke-charcoal);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  z-index: var(--z-modal);
  border-radius: var(--radius-base);
  transition: top var(--transition-fast);
}

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

/* ── Tipografía utilitaria ───────────────────────────────────── */
.u-eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold-accent);
}

.u-serif {
  font-family: var(--font-serif);
}

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

/* ── Reveal al scroll (IntersectionObserver) ─────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(var(--reveal-distance));
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

[data-reveal][data-reveal-delay="1"] { transition-delay: 100ms; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 200ms; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 320ms; }
[data-reveal][data-reveal-delay="4"] { transition-delay: 460ms; }

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

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}