/* ==========================================================================
   ADN NATURAL - ANIMATIONS & TRANSITIONS
   ========================================================================== */

/* 1. SCROLL REVEAL (IntersectionObserver classes)
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1),
                transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered Delays */
.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; }

/* Left/Right Reveals */
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1),
                transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1),
                transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* 2. KEYFRAME DECLARATIONS
   ========================================================================== */

/* Hero image float animation */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* Pulsing effect for add to cart / badge */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.animate-pulse {
    animation: pulse 0.5s ease-in-out;
}

/* Shimmer/Skeleton loading screen */
@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: 200px 0;
    }
}

.skeleton {
    background: linear-gradient(90deg, #F0ECE7 25%, #E8E2DA 37%, #F0ECE7 63%);
    background-size: 400px 100%;
    animation: shimmer 1.4s ease infinite;
}

/* 3. HOVER ACTIONS & MICRO-INTERACTIONS
   ========================================================================== */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1),
                box-shadow 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.hover-scale:hover {
    transform: scale(1.03);
}

/* Navigation Link Underline */
.hover-underline {
    position: relative;
}

.hover-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--gold);
    transition: width 0.3s ease;
}

.hover-underline:hover::after {
    width: 100%;
}

/* Card content fade-in */
.fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

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

/* 4. LOADING STATE SPINNERS
   ========================================================================== */
.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(61, 26, 92, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}