/* ============================================================
   VIAJAR — Animations & Transitions
   ============================================================ */

/* ── Scroll reveal (custom IntersectionObserver) ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-stagger.is-visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0s; }
.reveal-stagger.is-visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.1s; }
.reveal-stagger.is-visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.2s; }
.reveal-stagger.is-visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.3s; }
.reveal-stagger.is-visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.4s; }
.reveal-stagger.is-visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.5s; }
.reveal-stagger.is-visible > *:nth-child(7) { opacity: 1; transform: none; transition-delay: 0.6s; }
.reveal-stagger.is-visible > *:nth-child(8) { opacity: 1; transform: none; transition-delay: 0.7s; }

/* Fade only */
.reveal-fade {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.reveal-fade.is-visible {
  opacity: 1;
}

/* Slide from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Slide from right */
.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ── CountUp animation ── */
.countup {
  display: inline-block;
}

/* ── Hover effects ── */
.hover-lift {
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.hover-scale img {
  transition: transform var(--transition-slow);
}

.hover-scale:hover img {
  transform: scale(1.05);
}

/* ── Skeleton loading ── */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Image lazy fade ── */
@keyframes img-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.img-loaded {
  animation: img-fade-in 0.4s ease both;
}

/* ── Page transitions ── */
@keyframes page-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

main {
  animation: page-in 0.5s ease both;
}

/* ── Spinner ── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: var(--sp-8) auto;
}

/* ── Wizard step transition ── */
.wizard-step {
  animation: step-in 0.35s ease both;
}

@keyframes step-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.wizard-step--back {
  animation: step-in-back 0.35s ease both;
}

@keyframes step-in-back {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Checkmark success ── */
.checkmark {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #e8f5e0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-6);
  animation: checkmark-pop 0.5s var(--transition-spring) both;
}

.checkmark__icon {
  font-size: 2.5rem;
  animation: checkmark-draw 0.4s ease 0.3s both;
}

@keyframes checkmark-pop {
  from { transform: scale(0); }
  to   { transform: scale(1); }
}

@keyframes checkmark-draw {
  from { opacity: 0; transform: scale(0.5); }
  to   { opacity: 1; transform: scale(1); }
}

/* ── Bottom sheet (mobile filters) ── */
.bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  z-index: var(--z-drawer);
  max-height: 85vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-xl);
}

.bottom-sheet.is-open {
  transform: translateY(0);
}

.bottom-sheet__handle {
  width: 40px;
  height: 4px;
  background: var(--border);
  border-radius: var(--radius-full);
  margin: var(--sp-3) auto;
}

.bottom-sheet__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: calc(var(--z-drawer) - 1);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.bottom-sheet__overlay.is-open {
  opacity: 1;
  visibility: visible;
}