/* ==========================================================================
   ANIMATIONS.CSS — Animation Keyframes & Classes
   Architecture & Interior Design Firm Website
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Reveal Animations (Scroll-triggered)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transition: opacity 0.8s var(--transition-smooth),
              transform 0.8s var(--transition-smooth);
}

.reveal.revealed {
  opacity: 1;
  transform: none;
}

.reveal-fade-up {
  transform: translateY(60px);
}

.reveal-fade-left {
  transform: translateX(-60px);
}

.reveal-fade-right {
  transform: translateX(60px);
}

.reveal-scale {
  transform: scale(0.9);
}

/* Staggered delay helpers */
.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --------------------------------------------------------------------------
   2. Page Load Fade-in
   -------------------------------------------------------------------------- */
body {
  opacity: 0;
  animation: page-fade-in 0.6s var(--transition-smooth) forwards;
}

@keyframes page-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* --------------------------------------------------------------------------
   3. Section Dividers
   -------------------------------------------------------------------------- */
.section-divider {
  position: relative;
  padding-bottom: var(--space-4xl);
  margin-bottom: var(--space-4xl);
}

.section-divider::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 1px;
  background: var(--color-accent);
}

/* Diagonal section transition */
.section-diagonal {
  position: relative;
  margin-top: -80px;
  padding-top: 120px;
}

.section-diagonal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: inherit;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
}

/* --------------------------------------------------------------------------
   4. Image Loading Blur-up
   -------------------------------------------------------------------------- */
.img-blur-up {
  filter: blur(20px);
  transition: filter 0.4s var(--transition-smooth);
}

.img-blur-up.loaded {
  filter: blur(0);
}

/* --------------------------------------------------------------------------
   5. Hover Lift Effect
   -------------------------------------------------------------------------- */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* --------------------------------------------------------------------------
   6. Counter / Number Animation
   -------------------------------------------------------------------------- */
.number-count {
  font-family: var(--font-heading);
  font-size: var(--font-size-6xl);
  color: var(--color-accent);
  line-height: 1;
}

/* --------------------------------------------------------------------------
   7. 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 !important;
    transform: none !important;
  }

  body {
    opacity: 1;
    animation: none;
  }

  .hero-scroll-indicator {
    animation: none;
  }
}