/* src/css/animations.css */

/* 1. Scroll Reveal */
@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
}

.reveal.revealed {
  animation: reveal-up 0.8s ease forwards;
}

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

/* 2. Fade In */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fade-in 1s ease forwards;
}

/* 3. Scroll Indicator Bounce */
@keyframes bounce-scroll {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

.hero__scroll-indicator {
  animation: bounce-scroll 2s infinite;
}

/* 4. WhatsApp Pulse */
@keyframes whatsapp-pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

.whatsapp-float::before,
.whatsapp-float::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: var(--color-whatsapp, #25D366);
  animation: whatsapp-pulse 2.5s ease-out infinite;
  z-index: -1;
}

/* 5. Water Shimmer */
@keyframes water-shimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.shimmer {
  background: linear-gradient(90deg, var(--color-azure, #0077b6) 0%, var(--color-sky, #90e0ef) 50%, var(--color-azure, #0077b6) 100%);
  background-size: 200% 200%;
  animation: water-shimmer 3s ease infinite;
}

/* 6. Navbar transition */
.navbar {
  transition: background-color var(--transition-base, 0.3s ease), box-shadow var(--transition-base, 0.3s ease);
}

.navbar--scrolled {
  background-color: var(--color-white, #ffffff);
  box-shadow: var(--shadow-sm, 0 2px 4px rgba(0,0,0,0.1));
}

/* 7. Hover lift */
.hover-lift {
  transition: transform var(--transition-base, 0.3s ease), box-shadow var(--transition-base, 0.3s ease);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md, 0 4px 6px rgba(0,0,0,0.1));
}

/* 9. Link underline animation */
.nav-link {
  position: relative;
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-azure, #0077b6);
  transition: width var(--transition-base, 0.3s ease), left var(--transition-base, 0.3s ease);
}

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

/* 8. Prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal {
    opacity: 1;
    transform: none;
  }
  
  .whatsapp-float::before,
  .whatsapp-float::after {
    display: none;
  }
}