/* Custom Styles */
@keyframes zoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
    }
}

.animate-zoom {
    animation: zoom 20s ease-in-out infinite alternate;
}

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

.animate-fade-in {
    animation: fade-in 1s ease-out;
}

.animate-fade-in-delay {
    animation: fade-in 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fade-in 1s ease-out 0.6s both;
}

/* Primary Colors - Red Theme */
.text-primary-600 {
    color: #dc2626;
}

.text-primary-700 {
    color: #b91c1c;
}

.bg-primary-600 {
    background-color: #dc2626;
}

.bg-primary-700 {
    background-color: #b91c1c;
}

.hover\:bg-primary-700:hover {
    background-color: #b91c1c;
}

.border-primary-600 {
    border-color: #dc2626;
}

.text-primary-100 {
    color: #fee2e2;
}

/* Hero Section Gradient Overlay - Consistent across all pages */
.hero-gradient-overlay {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(127, 29, 29, 0.5) 100%);
}

/* Modal Animations - Smooth per-card modal transitions */
@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

@keyframes modalSlideOut {
    from {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    to {
        opacity: 0;
        transform: scale(0.9) translateY(-30px);
    }
}

/* Base modal backdrop state - hidden by default */
.modal-backdrop {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    /* Ensure modal is above page content */
    z-index: 50;
    /* Create new stacking context to isolate from page content */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

/* When modal is not hidden, allow pointer events */
.modal-backdrop:not(.hidden) {
    pointer-events: auto;
}

/* Showing state with animation */
.modal-backdrop.showing {
    opacity: 1;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: modalFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Closing state with animation */
.modal-backdrop.closing {
    opacity: 0;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    animation: modalFadeOut 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    pointer-events: none;
}

/* Base modal content state */
.modal-content {
    opacity: 0;
    transform: scale(0.9) translateY(-30px);
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    /* Ensure content is properly positioned */
    position: relative;
}

/* Showing state for modal content */
.modal-content.showing {
    opacity: 1;
    transform: scale(1) translateY(0);
    animation: modalSlideIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Closing state for modal content */
.modal-content.closing {
    opacity: 0;
    transform: scale(0.9) translateY(-30px);
    animation: modalSlideOut 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Smooth shadow animation on modal content */
.modal-content.showing {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 
                0 0 0 1px rgba(0, 0, 0, 0.05);
}

/* Payment Method Cards */
.payment-method-card {
    min-height: 120px;
    position: relative;
}

/* Selected state styling - applied via JavaScript for better browser compatibility */
.payment-method-card.border-red-600 {
    border-color: #dc2626 !important;
    background-color: #fef2f2 !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.payment-method-card.border-red-600 svg {
    color: #dc2626 !important;
}

.payment-method-card.border-red-600 .text-gray-700 {
    color: #dc2626 !important;
}

/* Checkmark indicator */
.payment-method-card .absolute.top-2.right-2 {
    transition: all 0.2s ease;
}

.payment-method-card input[type="radio"]:checked ~ .absolute.top-2.right-2,
.payment-method-card.border-red-600 .absolute.top-2.right-2 {
    background-color: #dc2626 !important;
    border-color: #dc2626 !important;
}

.payment-method-card input[type="radio"]:checked ~ .absolute.top-2.right-2 svg,
.payment-method-card.border-red-600 .absolute.top-2.right-2 svg {
    opacity: 1 !important;
    color: white !important;
}

/* Ensure unselected indicator is gray with hidden checkmark */
.payment-method-card:not(.border-red-600) .absolute.top-2.right-2 {
    background-color: white;
    border-color: #d1d5db;
}

.payment-method-card:not(.border-red-600) .absolute.top-2.right-2 svg {
    opacity: 0;
}

/* Payment Notification Animation */
@keyframes slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.animate-slide-in {
    animation: slide-in 0.3s ease-out;
}

/* Campaign Card Animations - Smooth hover and button interactions */
#campaigns-container > div {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#campaigns-container > div:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 
                0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Staggered entrance animation for campaign cards */
#campaigns-container > div:nth-child(1) { animation: cardFadeIn 0.5s ease-out 0.1s both; }
#campaigns-container > div:nth-child(2) { animation: cardFadeIn 0.5s ease-out 0.2s both; }
#campaigns-container > div:nth-child(3) { animation: cardFadeIn 0.5s ease-out 0.3s both; }
#campaigns-container > div:nth-child(4) { animation: cardFadeIn 0.5s ease-out 0.4s both; }

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

/* Donate button smooth interactions */
#campaigns-container button,
#donation-modal button[type="submit"],
.amount-btn {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Amount button selection feedback */
.amount-btn.border-red-600 {
    transform: scale(1.02);
    box-shadow: 0 4px 6px -1px rgba(220, 38, 38, 0.2);
}

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

/* Page Transition Animations */
@keyframes pageFadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-transition {
    animation: pageFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Smooth link transitions */
a {
    transition: all 0.3s ease;
}

/* Smooth scroll with offset for fixed header */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-padding-top: 80px;
    }
}

/* Scroll-triggered fade animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    /* Optimize animation performance */
    will-change: opacity, transform;
    /* Ensure proper rendering */
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
    /* Reset will-change after animation */
    will-change: auto;
}

.fade-in-up-delay-1 {
    transition-delay: 0.1s;
}

.fade-in-up-delay-2 {
    transition-delay: 0.2s;
}

.fade-in-up-delay-3 {
    transition-delay: 0.3s;
}

.fade-in-up-delay-4 {
    transition-delay: 0.4s;
}

/* Fade in for cards */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    /* Optimize animation performance */
    will-change: opacity, transform;
    /* Ensure proper rendering */
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
}

.fade-in-scale.visible {
    opacity: 1;
    transform: scale(1);
    /* Reset will-change after animation */
    will-change: auto;
}

/* Accessibility: Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .modal-backdrop,
    .modal-content,
    #campaigns-container > div,
    .amount-btn,
    .page-transition,
    .fade-in-up,
    .fade-in-scale {
        animation: none !important;
        transition: opacity 0.1s ease !important;
    }
    
    .modal-backdrop.showing,
    .modal-content.showing {
        opacity: 1 !important;
        transform: none !important;
    }
    
    .modal-backdrop.closing,
    .modal-content.closing {
        opacity: 0 !important;
        transform: none !important;
    }
    
    .fade-in-up.visible,
    .fade-in-scale.visible {
        opacity: 1 !important;
        transform: none !important;
    }
}