/* animations.css — Scroll reveals, parallax, hover effects, reduced-motion
   Requirements: 4.1 (Scroll Reveal), 4.2 (Parallax), 4.3 (Hover Effects), 4.5 (Reduced Motion)
*/

/* ==========================================================================
   Scroll Reveal — Base
   ========================================================================== */

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Scroll Reveal — Directional Variants
   ========================================================================== */

/* Fade up (default) */
[data-reveal="fade-up"] {
  opacity: 0;
  transform: translateY(30px);
}

[data-reveal="fade-up"].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Fade left */
[data-reveal="fade-left"] {
  opacity: 0;
  transform: translateX(-30px);
}

[data-reveal="fade-left"].revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Fade right */
[data-reveal="fade-right"] {
  opacity: 0;
  transform: translateX(30px);
}

[data-reveal="fade-right"].revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   Stagger Delay Utilities — Sequential Reveals
   ========================================================================== */

.scroll-reveal[data-delay="1"] {
  transition-delay: 0.1s;
}

.scroll-reveal[data-delay="2"] {
  transition-delay: 0.2s;
}

.scroll-reveal[data-delay="3"] {
  transition-delay: 0.3s;
}

.scroll-reveal[data-delay="4"] {
  transition-delay: 0.4s;
}

.scroll-reveal[data-delay="5"] {
  transition-delay: 0.5s;
}

.scroll-reveal[data-delay="6"] {
  transition-delay: 0.6s;
}

/* ==========================================================================
   Parallax Section — Base Styles
   ========================================================================== */

.parallax-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  overflow: hidden;
}

/* ==========================================================================
   Hover Effects — Cards and Buttons
   ========================================================================== */

.btn,
.service-card,
.pricing-card {
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.btn:hover,
.service-card:hover,
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* ==========================================================================
   Reduced Motion — Accessibility
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .scroll-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  [data-reveal="fade-up"],
  [data-reveal="fade-left"],
  [data-reveal="fade-right"] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .parallax-section {
    background-attachment: scroll !important;
  }

  .btn:hover,
  .service-card:hover,
  .pricing-card:hover {
    transform: none;
    transition: none;
  }
}