/* ==================== Animations ==================== */

/* Scroll indicator bounce */
@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.3; }
}

.scroll-dot {
  animation: scroll-bounce 1.5s ease-in-out infinite;
}

/* Fade in up animation for sections */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Stagger animation for service & case cards */
.service-card,
.case-card {
  opacity: 0;
  transform: translateY(24px);
}

.service-card.visible,
.case-card.visible {
  animation: fadeInUp 0.5s ease-out forwards;
}

.service-card:nth-child(1).visible,
.case-card:nth-child(1).visible { animation-delay: 0ms; }
.service-card:nth-child(2).visible,
.case-card:nth-child(2).visible { animation-delay: 80ms; }
.service-card:nth-child(3).visible,
.case-card:nth-child(3).visible { animation-delay: 160ms; }
.service-card:nth-child(4).visible,
.case-card:nth-child(4).visible { animation-delay: 240ms; }
.service-card:nth-child(5).visible,
.case-card:nth-child(5).visible { animation-delay: 320ms; }
.service-card:nth-child(6).visible,
.case-card:nth-child(6).visible { animation-delay: 400ms; }

/* ==================== Reduced Motion ==================== */
@media (prefers-reduced-motion: reduce) {
  .scroll-dot {
    animation: none;
  }

  .service-card,
  .case-card {
    opacity: 1;
    transform: none;
    animation: none !important;
  }

  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ==================== Custom Utilities ==================== */

/* Smooth scroll offset for fixed header */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Active nav link indicator */
.nav-link.active {
  color: #2563eb;
  position: relative;
}

.dark .nav-link.active {
  color: #60a5fa;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: #2563eb;
  border-radius: 1px;
}

.dark .nav-link.active::after {
  background: #60a5fa;
}

/* Form error highlight */
input.error,
textarea.error {
  border-color: #ef4444 !important;
}

input.error:focus,
textarea.error:focus {
  --tw-ring-color: #ef4444;
}