/* Global Page Load Transition */
body {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

body.page-loaded {
    opacity: 1;
}

/* Prevent flash of unstyled content */
html {
    visibility: visible;
    opacity: 1;
}

/* Page transition overlay for smooth navigation */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-color);
    opacity: 0;
    visibility: hidden;
    z-index: 9999;
    pointer-events: none;
    /* Kept in step with TRANSITION_MS in js/animations.js — every internal
       navigation waits this long before it starts. */
    transition: opacity 0.15s ease-in-out, visibility 0.15s ease-in-out;
    will-change: opacity, visibility;
}

.page-transition-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    body,
    .page-transition-overlay {
        transition-duration: 0.01ms !important;
    }
    
    .fade-in {
        transition-duration: 0.01ms !important;
    }
}

/* Base fade-in animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

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

/* Shorter delays for offer cards */
.offers-grid .offer-card {
    transition-duration: 0.8s;
}

/* Quicker staggered delays for offer cards */
.offers-grid .offer-card:nth-child(1) { transition-delay: 0.1s; }
.offers-grid .offer-card:nth-child(2) { transition-delay: 0.2s; }
.offers-grid .offer-card:nth-child(3) { transition-delay: 0.3s; }
.offers-grid .offer-card:nth-child(4) { transition-delay: 0.4s; }
.offers-grid .offer-card:nth-child(5) { transition-delay: 0.5s; }

/* General delay classes */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Card Base Styles */
.voucher-card.fade-in,
.special-offer-card.fade-in,
.offer-card.fade-in {
    background-color: var(--very-light-grey);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Card Hover Effects */
.voucher-card.fade-in:hover,
.special-offer-card.fade-in:hover,
.offer-card.fade-in:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

/* Specific Card Dimensions */
.voucher-card.fade-in {
    width: calc(33.333% - 14px);
}

.special-offer-card.fade-in {
    width: 100%;
    min-height: 250px;
}

/* Reset nested fade-in elements */
.fade-in .voucher-card {
    opacity: inherit;
    transform: none;
    transition: none;
}

/* Responsive Layouts */
@media (max-width: 768px) {
    .voucher-card.fade-in {
        width: 100%;
        max-width: 300px;
    }

    .special-offer-card.fade-in {
        width: 100%;
        min-height: 200px;
    }
}

@media (min-width: 769px) {
    .special-offer-card.fade-in {
        width: calc(50% - 10px);
    }
}