/* =====================================================
   HORIZONTE VIAGENS — Animations & Reveal System
   ===================================================== */

/* ─── Reveal Animations (IntersectionObserver-driven) ─── */

.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition-property: opacity, transform;
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  transition-duration: 700ms;
}

.reveal-up    { transform: translateY(40px); }
.reveal-left  { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }

.reveal-up.is-revealed,
.reveal-left.is-revealed,
.reveal-right.is-revealed {
  opacity: 1;
  transform: translate(0);
}

/* ─── Delay helpers ─── */
.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }
.delay-5 { transition-delay: 500ms; }
.delay-6 { transition-delay: 600ms; }

/* ─── Fade In base ─── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── Page load animation ─── */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-eyebrow.reveal-up,
.hero-headline.reveal-up,
.hero-subtext.reveal-up,
.hero-search.reveal-up,
.hero-tags.reveal-up {
  animation: slideUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-eyebrow.reveal-up  { animation-delay: 0.4s; }
.hero-headline.reveal-up { animation-delay: 0.6s; }
.hero-subtext.reveal-up  { animation-delay: 0.75s; }
.hero-search.reveal-up   { animation-delay: 0.9s; }
.hero-tags.reveal-up     { animation-delay: 1.05s; }

/* ─── Card hover shimmer ─── */
.destino-card::after,
.pacote-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255,255,255,0.08) 50%,
    transparent 60%
  );
  background-size: 200% 100%;
  background-position: 200% center;
  pointer-events: none;
  transition: background-position 0.6s ease;
  opacity: 0;
  transition: opacity 0.3s;
}

.destino-card:hover::after,
.pacote-card:hover::after {
  opacity: 1;
  background-position: -200% center;
}

/* ─── Pulse animation for CTA elements ─── */
@keyframes pulseBorder {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(201, 150, 58, 0.35);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(201, 150, 58, 0);
  }
}

.btn-primary.pulse {
  animation: pulseBorder 2.5s ease-in-out infinite;
}

/* ─── Search button ripple ─── */
.search-btn {
  overflow: hidden;
  position: relative;
}

.search-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.25) 0%, transparent 70%);
  transform: scale(0);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.search-btn:active::after {
  transform: scale(2.5);
  opacity: 1;
}

/* ─── Stat counters ─── */
.stat-number {
  will-change: contents;
}

/* ─── Loading skeleton ─── */
@keyframes shimmer {
  from { background-position: -400px 0; }
  to   { background-position: 400px 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    #f0f0f0 25%,
    #e8e8e8 50%,
    #f0f0f0 75%
  );
  background-size: 400px 100%;
  animation: shimmer 1.4s ease infinite;
  border-radius: var(--radius-sm);
}

/* ─── Notification toast ─── */
@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-8px) scale(0.95);
  }
}

.toast {
  position: fixed;
  bottom: 100px;
  right: var(--space-xl);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--clr-navy);
  color: var(--clr-white);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  font-size: 0.9375rem;
  font-weight: 500;
  max-width: 340px;
  animation: toastIn 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.toast.toast-exit {
  animation: toastOut 0.25s ease forwards;
}

.toast-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: rgba(255,255,255,0.15);
}

/* ─── Image lightbox overlay ─── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
  backdrop-filter: blur(8px);
}

.lightbox-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  transform: scale(0.92);
  transition: transform var(--transition-slow);
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}

.lightbox-overlay.is-open .lightbox-img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.12);
  color: var(--clr-white);
  cursor: pointer;
  font-size: 1.25rem;
  transition: background var(--transition-fast), transform var(--transition-fast);
  border: none;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.22);
  transform: rotate(90deg);
}

.lightbox-caption {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ─── Page transitions ─── */
body {
  animation: fadeIn 0.3s ease both;
}

/* ─── Hover underline effect for nav links ─── */
.nav-link:not(.nav-cta) {
  position: relative;
}

.nav-link:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0.75rem;
  right: 0.75rem;
  height: 1px;
  background: var(--clr-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.nav-link:not(.nav-cta):hover::after,
.nav-link:not(.nav-cta).is-active::after {
  transform: scaleX(1);
}

/* ─── Destino filter transition ─── */
.destino-card {
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.destino-card.is-filtering-out {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

/* ─── Stats bar count-up ─── */
.stat-number {
  display: inline-block;
  min-width: 3ch;
}

/* ─── Scroll progress bar ─── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-gold), var(--clr-gold-light));
  z-index: 2000;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.05s linear;
  border-radius: 0 2px 2px 0;
}

/* ─── Mobile menu slide-in ─── */
@media (max-width: 1023px) {
  .nav-links {
    will-change: transform;
  }
}

/* ─── Reduce motion ─── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-up,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }

  .hero-bg-img {
    animation: none;
    transform: scale(1);
  }
}