/* Animations */

/* Fade In */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Fade In Left */
.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Fade In Right */
.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Scale In */
.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger Animation */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero Animation */
.hero-content {
    animation: heroFadeIn 1.2s ease-out;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.iphone-mockup {
    animation: phoneFloat 1.2s ease-out 0.3s both, float 6s ease-in-out infinite 1.5s;
}

@keyframes phoneFloat {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Spec Card Hover */
.spec-card {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.spec-card:hover {
    transform: translateY(-8px) scale(1.02);
}

/* Gallery Item Animation */
.gallery-item {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* Color Option Animation */
.color-option {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.color-option:active {
    transform: scale(0.95);
}

/* Button Pulse */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:active::after {
    width: 300px;
    height: 300px;
}

/* Navigation Blur */
.nav {
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

/* Page Transition */
.page-transition {
    animation: pageIn 0.6s ease-out;
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Notification Badge */
.notification-badge {
    animation: badgePop 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes badgePop {
    0% {
        transform: scale(0);
    }
    80% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* Parallax Effect */
.parallax {
    transform: translateY(var(--parallax-offset, 0));
    transition: transform 0.1s linear;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .iphone-mockup {
        animation: phoneFloat 0.01ms ease-out both;
    }
}