/* ===================================================
   Rainbow Preschool – Animations & Interactive Styles
   Under Bunnyland Preschool
   =================================================== */

/* --- Smooth Scrolling (HTML-level) --- */
html {
  scroll-behavior: smooth;
}

/* --- Scroll-Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Staggered children delay */
.reveal-stagger > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.4s; }

/* --- Gallery Lightbox --- */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  padding: 2rem;
}

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

.lightbox-overlay img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 1rem;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
  z-index: 10000;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  padding: 1rem 1.5rem;
  border-radius: 1rem;
  color: white;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.4s ease;
  opacity: 0;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 380px;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-success {
  background: linear-gradient(135deg, #006e1c, #00a02e);
}

.toast-error {
  background: linear-gradient(135deg, #ba1a1a, #e53935);
}

/* --- Form Validation Styles --- */
.form-error-msg {
  color: #ffdad6;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
  align-items: center;
  gap: 0.3rem;
}

.form-error-msg.visible {
  display: flex;
}

/* Contact form error (dark surface) */
.contact-error-msg {
  color: #ba1a1a;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
  align-items: center;
  gap: 0.3rem;
}

.contact-error-msg.visible {
  display: flex;
}

.input-error {
  box-shadow: 0 0 0 2px #ffdad6 !important;
}

.contact-input-error {
  box-shadow: 0 0 0 2px #ba1a1a !important;
}

/* --- Review Carousel --- */
.reviews-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reviews-track .review-card {
  flex: 0 0 100%;
  padding: 0 1rem;
  box-sizing: border-box;
}

@media (min-width: 768px) {
  .reviews-track .review-card {
    flex: 0 0 33.3333%;
  }
}

/* --- Mobile Menu --- */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 70;
  width: 280px;
  height: 100%;
  background: #fffadf;
  padding: 2rem;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu-panel.active {
  transform: translateX(0);
}

.mobile-menu-panel a {
  padding: 0.875rem 1rem;
  font-weight: 600;
  color: #1e1c00;
  border-radius: 0.75rem;
  transition: background 0.2s;
  text-decoration: none;
  display: block;
}

.mobile-menu-panel a:hover {
  background: #f0eab6;
}

/* --- Lazy Load Fade-in --- */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded,
img.loaded {
  opacity: 1;
}