/* ==========================================================================
   Animations Styles
   ========================================================================== */

/* ==========================================================================
   Fade In Animations
   ========================================================================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }

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

/* ==========================================================================
   Scroll Reveal Animations
   ========================================================================== */

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Staggered reveal for children */
.scroll-reveal-stagger > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.1s; }
.scroll-reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.2s; }
.scroll-reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.3s; }
.scroll-reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.4s; }
.scroll-reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.5s; }

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

/* ==========================================================================
   Parallax Effects
   ========================================================================== */

.parallax {
    will-change: transform;
}

/* ==========================================================================
   Hover Effects
   ========================================================================== */

.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.hover-scale {
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(196, 169, 98, 0.4);
}

/* ==========================================================================
   Text Animations
   ========================================================================== */

.text-shimmer {
    background: linear-gradient(
        90deg,
        var(--color-gold-dark) 0%,
        var(--color-gold-light) 50%,
        var(--color-gold-dark) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    to {
        background-position: 200% center;
    }
}

/* Letter by letter reveal */
.letter-reveal {
    display: inline-block;
}

.letter-reveal span {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    animation: letterReveal 0.5s ease forwards;
}

@keyframes letterReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.loading-pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

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

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* ==========================================================================
   Decorative Animations
   ========================================================================== */

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.rotate-slow {
    animation: rotateSlow 20s linear infinite;
}

@keyframes rotateSlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Heartbeat for love-related elements */
.heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.1);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.1);
    }
    70% {
        transform: scale(1);
    }
}

/* ==========================================================================
   Page Transitions
   ========================================================================== */

.page-transition {
    position: fixed;
    inset: 0;
    background-color: var(--color-cream);
    z-index: 9999;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.5s ease;
}

.page-transition.active {
    transform: scaleY(1);
    transform-origin: top;
}

/* ==========================================================================
   Cursor Effects (optional enhancement)
   ========================================================================== */

.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 1px solid var(--color-gold);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease, opacity 0.15s ease;
    mix-blend-mode: difference;
}

.custom-cursor.hover {
    transform: scale(2);
}

/* ==========================================================================
   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-reveal {
        opacity: 1;
        transform: none;
    }
    
    .fade-in {
        opacity: 1;
        transform: none;
    }
}