/* ============================================
   animations.css — Scroll & Interaction Animations
   ============================================ */

/* === Scroll Reveal Animations === */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays */
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s; }

/* === Hero animations (play immediately) === */
.hero .fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeInUp 1s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.hero .fade-in-up.delay-1 {
  animation-delay: 0.2s;
}

.hero .fade-in-up.delay-2 {
  animation-delay: 0.4s;
}

@keyframes heroFadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Page Hero animations === */
.page-hero .fade-in-up {
  animation: heroFadeInUp 0.8s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.page-hero .fade-in-up.delay-1 {
  animation-delay: 0.15s;
}

/* === Counter Animation === */
.stat-number {
  display: inline-block;
}

/* === Product Card Hover === */
.product-card {
  transition: transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1),
              box-shadow 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.product-card .product-image-placeholder {
  transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.product-card:hover .product-image-placeholder {
  transform: scale(1.05);
}

/* === Advantage Card Hover === */
.advantage-card {
  transition: background 0.4s ease, transform 0.4s ease;
}

.advantage-card:hover {
  transform: translateY(-4px);
}

.advantage-icon {
  transition: background 0.4s ease, color 0.4s ease, transform 0.4s ease;
}

.advantage-card:hover .advantage-icon {
  transform: scale(1.1);
}

/* === Button Press Effect === */
.btn {
  transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.btn:active {
  transform: scale(0.97);
}

/* === Filter Tab Transition === */
.filter-tab {
  transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* === Modal Animations === */
.modal-overlay {
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.modal-content {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-small {
  transform: translateY(20px) scale(0.95);
}

/* === Gallery Hover === */
.gallery-item {
  transition: transform 0.4s ease;
}

.gallery-item:hover {
  transform: scale(0.98);
}

.gallery-item .image-placeholder {
  transition: transform 0.6s ease;
}

.gallery-item:hover .image-placeholder {
  transform: scale(1.05);
}

/* === Info Card Hover === */
.info-card {
  transition: background 0.3s ease;
  border-radius: 12px;
  padding: 16px;
  margin: 0 -16px;
}

.info-card:hover {
  background: var(--color-bg);
}

/* === Navbar transition === */
.navbar {
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* === Form Focus Glow === */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* === Social Link Hover === */
.social-link {
  transition: all 0.3s ease;
}

.social-link:hover {
  transform: translateY(-2px);
}

/* === Smooth scroll indicator === */
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* === Partner Logo Hover === */
.partner-logo {
  transition: transform 0.3s ease;
}

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

.partner-placeholder {
  transition: all 0.3s ease;
}

.partner-logo:hover .partner-placeholder {
  background: var(--color-white);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* === Loading Spinner for Submit Button === */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn.loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-left: 8px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in-up {
    opacity: 1;
    transform: none;
  }

  .hero .fade-in-up {
    opacity: 1;
    transform: none;
    animation: none;
  }
}