/* ===== PROFESSIONAL MICRO-ANIMATIONS ===== */
/* Performance-optimized animations using transform and opacity only */

/* Animation Base Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animations for grid items */
.animate-on-scroll.stagger-1 { transition-delay: 0.1s; }
.animate-on-scroll.stagger-2 { transition-delay: 0.2s; }
.animate-on-scroll.stagger-3 { transition-delay: 0.3s; }
.animate-on-scroll.stagger-4 { transition-delay: 0.4s; }
.animate-on-scroll.stagger-5 { transition-delay: 0.5s; }
.animate-on-scroll.stagger-6 { transition-delay: 0.6s; }

/* Fade In Up */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

/* Fade In */
.fade-in {
  opacity: 0;
  transition: opacity 0.5s ease-out;
}

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

/* Scale In */
.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Slide In Left */
.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

/* Slide In Right */
.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

/* ===== HOVER EFFECTS ===== */

/* Card Hover Lift */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.15);
}

/* Card Hover Glow */
.hover-glow {
  transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(7, 144, 130, 0.15);
}

/* Button Pulse on Focus */
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  animation: pulse-ring 0.4s ease-out;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(7, 144, 130, 0.4);
  }
  100% {
    box-shadow: 0 0 0 8px rgba(7, 144, 130, 0);
  }
}

/* Icon Hover Bounce */
.icon-bounce:hover svg {
  animation: bounce 0.5s ease;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ===== LOADING ANIMATIONS ===== */

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

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

/* Spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ===== PAGE TRANSITIONS ===== */

/* Smooth page load */
.page-loaded .hero,
.page-loaded .section-header,
.page-loaded .card,
.page-loaded .pricing-card,
.page-loaded .testimonial-card,
.page-loaded .template-card,
.page-loaded .step,
.page-loaded .pain-card,
.page-loaded .audience-card,
.page-loaded .faq-item {
  animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Staggered load for grid items */
.page-loaded .grid > *:nth-child(1) { animation-delay: 0.1s; }
.page-loaded .grid > *:nth-child(2) { animation-delay: 0.15s; }
.page-loaded .grid > *:nth-child(3) { animation-delay: 0.2s; }
.page-loaded .grid > *:nth-child(4) { animation-delay: 0.25s; }
.page-loaded .grid > *:nth-child(5) { animation-delay: 0.3s; }
.page-loaded .grid > *:nth-child(6) { animation-delay: 0.35s; }
.page-loaded .grid > *:nth-child(7) { animation-delay: 0.4s; }
.page-loaded .grid > *:nth-child(8) { animation-delay: 0.45s; }

/* ===== INTERACTION STATES ===== */

/* Link underline animation */
.link-animated {
  position: relative;
}

.link-animated::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.3s ease;
}

.link-animated:hover::after {
  width: 100%;
}

/* Nav link animation */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
  left: 0;
}

/* ===== ACCESSIBILITY - Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll,
  .fade-in-up,
  .fade-in,
  .scale-in,
  .slide-in-left,
  .slide-in-right {
    opacity: 1;
    transform: none;
  }
}

/* ===== SMOOTH SCROLLBAR (Optional) ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* ===== IMAGE LOADING ===== */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded,
img:not([loading="lazy"]) {
  opacity: 1;
}

/* ===== VIDEO CONTAINER ===== */
.video-container video {
  transition: opacity 0.3s ease;
}

.video-container video:not([poster]) {
  background: var(--gray-100);
}