/* ═══════════════════════════════════════════════════════════════════
   EXPO REVISTE 2026 — CSS RESET & BASE
   Modern reset + global base styles
   ═══════════════════════════════════════════════════════════════════ */

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

/* ── Root ── */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
  font-size: 16px;
  /* Scrollbar personalizada */
  scrollbar-width: thin;
  scrollbar-color: var(--c-gold-muted) var(--c-obsidian-soft);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-obsidian-soft); }
::-webkit-scrollbar-thumb { background: var(--c-gold-muted); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--c-gold); }

/* ── Body ── */
body {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--c-text-primary);
  background-color: var(--c-obsidian);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Skip nav ── */
.skip-nav {
  position: fixed;
  top: -100%;
  left: var(--sp-4);
  z-index: var(--z-cursor);
  padding: var(--sp-3) var(--sp-6);
  background: var(--c-gold);
  color: var(--c-obsidian);
  font-family: var(--font-body);
  font-weight: var(--fw-bold);
  font-size: var(--text-sm);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--r-md);
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-nav:focus { top: var(--sp-4); }

/* ── Typography resets ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--c-text-primary);
}

p {
  line-height: var(--lh-loose);
  color: var(--c-text-secondary);
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

button { cursor: pointer; }

ul, ol { list-style: none; }

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ── Selection ── */
::selection {
  background: rgba(201, 168, 76, 0.25);
  color: var(--c-text-primary);
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ── Section spacing ── */
.section {
  padding-block: clamp(var(--sp-16), 8vw, var(--sp-40));
}

/* ── Divider dorado ── */
.gold-line {
  width: 60px;
  height: 1px;
  background: var(--g-gold-line);
  margin-block: var(--sp-6);
}

.gold-line--center { margin-inline: auto; }

/* ── Label de sección ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--c-gold);
}

.section-label::before,
.section-label::after {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--c-gold);
  opacity: 0.6;
}

/* ── Reveal animations ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--dur-slower) var(--ease-expo),
              transform var(--dur-slower) var(--ease-expo);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--dur-slower) var(--ease-expo),
              transform var(--dur-slower) var(--ease-expo);
}
.reveal-left.is-visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--dur-slower) var(--ease-expo),
              transform var(--dur-slower) var(--ease-expo);
}
.reveal-right.is-visible { opacity: 1; transform: translateX(0); }

/* stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }