/* ============================================================================
   AUBURY & CO — ANIMATIONS
   Scroll-triggered animations, micro-interactions, and transitions
   ============================================================================ */

/* ============================================================================
   KEYFRAMES
   ============================================================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* ============================================================================
   SCROLL-TRIGGERED ANIMATION CLASSES
   (Applied by JavaScript Intersection Observer)
   ============================================================================ */

/* FADE UP */
.motion-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out 0.1s, transform 0.6s ease-out 0.1s;
}

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

/* FADE LEFT */
.motion-fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out 0.1s, transform 0.6s ease-out 0.1s;
}

.motion-fade-left.in-view {
  opacity: 1;
  transform: translateX(0);
}

/* FADE RIGHT */
.motion-fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out 0.1s, transform 0.6s ease-out 0.1s;
}

.motion-fade-right.in-view {
  opacity: 1;
  transform: translateX(0);
}

/* SCALE UP */
.motion-scale-up {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease-out 0.1s, transform 0.6s ease-out 0.1s;
}

.motion-scale-up.in-view {
  opacity: 1;
  transform: scale(1);
}

/* STAGGER (children animate sequentially) */
.motion-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.motion-stagger.in-view > * {
  opacity: 1;
  transform: translateY(0);
}

.motion-stagger.in-view > *:nth-child(1) {
  transition-delay: 0.05s;
}

.motion-stagger.in-view > *:nth-child(2) {
  transition-delay: 0.1s;
}

.motion-stagger.in-view > *:nth-child(3) {
  transition-delay: 0.15s;
}

.motion-stagger.in-view > *:nth-child(4) {
  transition-delay: 0.2s;
}

.motion-stagger.in-view > *:nth-child(5) {
  transition-delay: 0.25s;
}

.motion-stagger.in-view > *:nth-child(6) {
  transition-delay: 0.3s;
}

/* ============================================================================
   HOVER ANIMATIONS
   ============================================================================ */

/* BUTTON HOVER */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left 0.3s ease;
  z-index: -1;
}

.btn:hover::before {
  left: 100%;
}

/* CARD HOVER */
.card {
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
  z-index: 1;
  pointer-events: none;
}

.card:hover::before {
  left: 100%;
}

/* IMAGE ZOOM ON HOVER */
.card-image img:hover {
  transform: scale(1.08) !important;
}

/* ============================================================================
   PARALLAX SCROLL
   ============================================================================ */

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

@media (prefers-reduced-motion: reduce) {
  .parallax-bg {
    background-attachment: scroll;
  }
}

/* Custom parallax using transform (JS-driven) */
.parallax-layer {
  will-change: transform;
}

/* ============================================================================
   LOADING & SKELETON
   ============================================================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--linen) 25%,
    var(--cream) 50%,
    var(--linen) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

.skeleton-text {
  height: 1em;
  background: linear-gradient(90deg, var(--linen) 25%, var(--cream) 50%, var(--linen) 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-sm);
}

/* ============================================================================
   FOCUS ANIMATIONS
   ============================================================================ */

*:focus-visible {
  outline: 2px solid var(--forest);
  outline-offset: 2px;
}

a:focus-visible {
  border-radius: var(--radius-sm);
}

/* ============================================================================
   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;
  }

  .motion-fade-up,
  .motion-fade-left,
  .motion-fade-right,
  .motion-scale-up,
  .parallax-bg {
    opacity: 1;
    transform: none !important;
    background-attachment: scroll !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================================================
   INITIAL PAGE LOAD
   ============================================================================ */

.hero-content {
  animation: fadeInUp 1.2s ease-out;
}

.navbar {
  animation: slideDown 0.6s ease-out;
}

/* ============================================================================
   TRANSITION UTILITIES
   ============================================================================ */

.transition-fast {
  transition-duration: var(--transition-fast);
}

.transition-base {
  transition-duration: var(--transition-base);
}

.transition-slow {
  transition-duration: var(--transition-slow);
}

/* ============================================================================
   SCROLL INDICATOR
   ============================================================================ */

.scroll-indicator {
  animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
  display: inline-block;
  width: 24px;
  height: 24px;
}