/* ==========================================================================
   ANIMATIONS.CSS - CSS Keyframes and Transition Utilities
   ========================================================================== */

/* 1. Reveal Animations */
.reveal-text {
    overflow: hidden;
    position: relative;
}

.reveal-text > span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.8s cubic-bezier(0.15, 0.85, 0.3, 1);
}

.reveal-text.active > span {
    transform: translateY(0);
}

/* 2. Fade In Up */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1),
                transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* 3. Image Reveal with Mask */
.img-reveal-wrapper {
    position: relative;
    overflow: hidden;
}

.img-reveal-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    transition: transform 1.2s cubic-bezier(0.85, 0, 0.15, 1);
    transform-origin: right;
}

.img-reveal-wrapper.active::after {
    transform: scaleX(0);
}

.img-reveal-wrapper img {
    transform: scale(1.2);
    transition: transform 1.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.img-reveal-wrapper.active img {
    transform: scale(1);
}

/* 4. Gold Border Glow Animation */
@keyframes borderGlow {
    0% {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5),
                    0 0 0 rgba(201, 162, 39, 0);
    }
    50% {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5),
                    0 0 15px rgba(201, 162, 39, 0.3);
    }
    100% {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5),
                    0 0 0 rgba(201, 162, 39, 0);
    }
}

.gold-glow-hover {
    transition: var(--transition-smooth);
}

.gold-glow-hover:hover {
    border-color: rgba(201, 162, 39, 0.4) !important;
    animation: borderGlow 2s infinite ease-in-out;
}

/* 5. Heart Interaction Pulse */
@keyframes heartPulse {
    0% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.3);
    }
    50% {
        transform: scale(1);
    }
    75% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.heart-pulse {
    animation: heartPulse 0.4s ease-in-out;
}

/* 6. Scroll Indicator Mouse Wheel */
@keyframes scrollWheel {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(10px);
        opacity: 0.5;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.scroll-indicator-wheel {
    animation: scrollWheel 1.8s infinite ease-in-out;
}

/* 7. Shimmer Effect for Loading / Skeleton */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.shimmer-bg {
    background: linear-gradient(90deg, #1e1e1e 25%, #2a2a2a 50%, #1e1e1e 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
}