/* =========================================================
   Glipearte Pegue e Monte - Animations & Effects
   Suavidade, performance e acessibilidade
   ========================================================= */

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

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

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

/* Stagger for grids */
.steps-grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.steps-grid .reveal:nth-child(2) { transition-delay: 0.15s; }
.steps-grid .reveal:nth-child(3) { transition-delay: 0.25s; }

.services-grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.services-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.services-grid .reveal:nth-child(3) { transition-delay: 0.15s; }
.services-grid .reveal:nth-child(4) { transition-delay: 0.2s; }

.diff-grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.diff-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.diff-grid .reveal:nth-child(3) { transition-delay: 0.15s; }
.diff-grid .reveal:nth-child(4) { transition-delay: 0.2s; }
.diff-grid .reveal:nth-child(5) { transition-delay: 0.25s; }
.diff-grid .reveal:nth-child(6) { transition-delay: 0.3s; }

.portfolio-grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.portfolio-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.portfolio-grid .reveal:nth-child(3) { transition-delay: 0.15s; }
.portfolio-grid .reveal:nth-child(4) { transition-delay: 0.2s; }

/* Hero subtle float */
.hero-content .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.hero-content .reveal.active {
  opacity: 1;
  transform: translateY(0);
}
.hero-content .reveal:nth-child(1) { transition-delay: 0.1s; }
.hero-content .reveal:nth-child(2) { transition-delay: 0.25s; }
.hero-content .reveal:nth-child(3) { transition-delay: 0.4s; }
.hero-content .reveal:nth-child(4) { transition-delay: 0.55s; }
.hero-content .reveal:nth-child(5) { transition-delay: 0.7s; }

/* Hero background shimmer */
.hero-bg {
  animation: heroShimmer 12s ease-in-out infinite alternate;
}

@keyframes heroShimmer {
  0% { opacity: 0.6; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.03); }
}

/* Badge pulse */
.badge {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.badge:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

/* Card lift */
.service-card, .info-card, .blog-card, .testimonial-card, .step-card, .extra-item, .dashboard-card, .contact-card, .booking-wrapper, .auth-card, .contact-form-wrapper {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover, .info-card:hover, .blog-card:hover, .testimonial-card:hover, .step-card:hover, .extra-item:hover, .dashboard-card:hover, .contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}

/* Link hover underline grow */
.link-arrow::after {
  transition: transform 0.2s ease;
}

/* Button ripple effect base */
.btn {
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
  opacity: 0;
  transform: scale(0);
  transition: transform 0.5s, opacity 0.5s;
}
.btn:active::after {
  opacity: 1;
  transform: scale(2.5);
  transition: 0s;
}

/* Social icons bounce */
.social-links a {
  transition: transform 0.2s ease, background-color 0.2s ease;
}
.social-links a:hover, .social-links a:focus {
  transform: translateY(-3px);
}

/* FAQ smooth expand */
.faq-item {
  transition: box-shadow 0.3s ease;
}
.faq-item[open] {
  box-shadow: var(--shadow-md);
}
.faq-item summary h3 {
  transition: color 0.2s ease;
}
.faq-item[open] summary h3 {
  color: var(--color-dark);
}

/* Gallery item zoom */
.gallery-item img, .portfolio-item img {
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), filter 0.3s ease;
}
.gallery-item:hover img, .portfolio-item:hover img {
  transform: scale(1.07);
  filter: brightness(1.05);
}

/* Lightbox image */
#lightbox-img {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Chat window */
.chat-window {
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}
.chat-window.active {
  transform: translateY(0) scale(1);
}

/* Form focus glow */
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Error shake */
.form-group input.error, .form-group textarea.error, .form-group select.error {
  animation: shake 0.4s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

/* Loading spinner */
.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: var(--color-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-alt) 25%, var(--color-border) 50%, var(--color-bg-alt) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

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

/* Back to top */
.back-to-top {
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.2s ease, background-color 0.2s ease;
}
.back-to-top:hover {
  transform: translateY(-4px);
}

/* Header scroll state */
.site-header {
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(250, 249, 246, 0.98);
}

/* Hero gradient animation */
.hero {
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero-content .reveal,
  .hero-bg,
  .hero,
  .badge,
  .service-card,
  .info-card,
  .blog-card,
  .testimonial-card,
  .step-card,
  .extra-item,
  .dashboard-card,
  .contact-card,
  .gallery-item img,
  .portfolio-item img,
  .btn::after,
  .social-links a,
  .back-to-top,
  .site-header,
  .faq-item,
  .loading-spinner,
  .skeleton,
  .form-group input.error,
  .form-group textarea.error,
  .form-group select.error {
    animation: none !important;
    transition: none !important;
  }
  .reveal, .reveal.active, .hero-content .reveal, .hero-content .reveal.active {
    opacity: 1;
    transform: none;
  }
}