/* ==========================================================================
   Animations & Responsive — Pasaporte.cl
   ========================================================================== */

/* ── Keyframes ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40%   { transform: translateX(-50%) translateY(-8px); }
  60%   { transform: translateX(-50%) translateY(-4px); }
}

/* Scroll-triggered */
.animate-on-scroll {
  opacity: 0; transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.animate-on-scroll.is-visible { opacity: 1; transform: translateY(0); }
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* ── Tablet ── */
@media (max-width: 1024px) {
  :root { --navbar-height: 64px; --grid-gap: 1.2rem; }

  .grid-3, .destinations-grid, .articles-grid { grid-template-columns: repeat(2,1fr); }
  .tramites-grid { grid-template-columns: repeat(2,1fr); }
  .destination-card--featured { grid-column: span 2; }
  .content-with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; display: grid; grid-template-columns: repeat(2,1fr); gap: var(--grid-gap); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
}

/* ── Mobile ── */
@media (max-width: 768px) {
  :root { --space-4xl: 3.5rem; --space-5xl: 5rem; }

  .container { padding-inline: var(--space-md); }

  .navbar__nav {
    position: fixed; top: 0; right: -100%;
    width: 80%; max-width: 320px; height: 100vh;
    background: rgba(10,31,16,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column; align-items: flex-start;
    padding: calc(var(--navbar-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    transition: right var(--duration-base) var(--ease-out);
    z-index: var(--z-navbar);
    gap: var(--space-xs);
  }
  .navbar__nav.is-open { right: 0; }

  .navbar__link {
    font-size: var(--fs-body); padding: var(--space-md); width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    border-radius: 0;
  }
  .navbar__toggle { display: flex; }

  .navbar__overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: calc(var(--z-navbar) - 1);
    opacity: 0; visibility: hidden;
    transition: opacity var(--duration-base) var(--ease-out),
                visibility var(--duration-base) var(--ease-out);
  }
  .navbar__overlay.is-visible { opacity: 1; visibility: visible; }

  .hero__title { font-size: clamp(2rem, 8vw, 3rem); }
  .hero__subtitle { font-size: var(--fs-body); }
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .grid-3, .grid-4, .destinations-grid, .articles-grid, .tramites-grid {
    grid-template-columns: 1fr;
  }
  .destination-card--featured { grid-column: span 1; }
  .destination-card { aspect-ratio: 3/4; }
  .sidebar { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer__bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
  .adsense-slot--leaderboard { max-width: 100%; min-height: 50px; }
}

/* ── Small ── */
@media (max-width: 480px) {
  .hero__badge { font-size: 0.65rem; padding: var(--space-xs) var(--space-md); }
  .tramite-card { padding: var(--space-lg); }
  .category-bar__inner { padding: var(--space-sm) var(--space-md); }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .hero:hover .hero__background img { transform: none; }
}

/* ── Print ── */
@media print {
  .navbar, .hero, .category-bar, .site-footer, .adsense-slot, .sidebar { display: none !important; }
  body { color: #000; background: #fff; }
}