/* Variables de couleurs pour SAPF */
:root {
    --sapf-green: #2E8B57;
    --sapf-red: #DC2626;
    --sapf-yellow: #F59E0B;
    --sapf-blue: #3B82F6;
    --transition-standard: all 0.3s ease;
}

/* Classes utilitaires pour les couleurs SAPF */
.bg-sapf-green { background-color: var(--sapf-green); }
.text-sapf-green { color: var(--sapf-green); }
.border-sapf-green { border-color: var(--sapf-green); }
.hover\:bg-sapf-green:hover { background-color: var(--sapf-green); }
.hover\:text-sapf-green:hover { color: var(--sapf-green); }
.hover\:border-sapf-green:hover { border-color: var(--sapf-green); }
.focus\:ring-sapf-green:focus { --tw-ring-color: var(--sapf-green); }

.bg-sapf-red { background-color: var(--sapf-red); }
.text-sapf-red { color: var(--sapf-red); }
.border-sapf-red { border-color: var(--sapf-red); }
.hover\:bg-sapf-red:hover { background-color: var(--sapf-red); }
.hover\:text-sapf-red:hover { color: var(--sapf-red); }
.hover\:border-sapf-red:hover { border-color: var(--sapf-red); }
.focus\:ring-sapf-red:focus { --tw-ring-color: var(--sapf-red); }

.bg-sapf-yellow { background-color: var(--sapf-yellow); }
.text-sapf-yellow { color: var(--sapf-yellow); }
.border-sapf-yellow { border-color: var(--sapf-yellow); }
.hover\:bg-sapf-yellow:hover { background-color: var(--sapf-yellow); }
.hover\:text-sapf-yellow:hover { color: var(--sapf-yellow); }
.hover\:border-sapf-yellow:hover { border-color: var(--sapf-yellow); }
.focus\:ring-sapf-yellow:focus { --tw-ring-color: var(--sapf-yellow); }

/* Styles typographiques */
body {
    font-family: 'Montserrat', sans-serif;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Merriweather', serif;
}

/* Animations pour les sections */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Styles améliorés pour les formulaires */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #D1D5DB;
    border-radius: 0.375rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: var(--transition-standard);
}

.form-input:focus {
    outline: none;
    border-color: var(--sapf-green);
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.2);
}

.form-input:hover:not(:focus) {
    border-color: #9CA3AF;
}

.form-input.error {
    border-color: var(--sapf-red);
}

.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #D1D5DB;
    border-radius: 0.375rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: var(--transition-standard);
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor"><path fill-rule="evenodd" d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z" clip-rule="evenodd" /></svg>');
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    background-repeat: no-repeat;
}

.form-select:focus {
    outline: none;
    border-color: var(--sapf-green);
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.2);
}

.form-select.error {
    border-color: var(--sapf-red);
}

.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #D1D5DB;
    border-radius: 0.375rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: var(--transition-standard);
    min-height: 6rem;
    resize: vertical;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--sapf-green);
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.2);
}

.form-textarea.error {
    border-color: var(--sapf-red);
}

/* Styles pour les boutons de montant de don */
.amount-btn {
    transition: var(--transition-standard);
    font-weight: 500;
}

.amount-btn.active {
    background-color: var(--sapf-red);
    color: white;
    border-color: var(--sapf-red);
}

/* Styles pour les inputs avec icônes */
.input-icon-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    color: #9CA3AF;
    pointer-events: none;
    transition: var(--transition-standard);
}

.input-with-icon {
    padding-left: 2.5rem;
}

.input-with-icon:focus + .input-icon {
    color: var(--sapf-green);
}

/* Animation pour les icônes sociales */
.social-icon {
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.social-icon:hover {
    transform: scale(1.2);
}

.social-icon:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

/* Effet de pulse pour les icônes importantes */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.pulse-icon {
    animation: pulse 2s infinite;
}

/* Styles pour le popup */
.transform {
    transition: all 0.3s ease-out;
}

.scale-95 {
    transform: scale(0.95);
    opacity: 0;
}

.scale-100 {
    transform: scale(1);
    opacity: 1;
}

.overflow-hidden {
    overflow: hidden;
}

/* Styles pour les cartes d'actualités */
.news-card {
    transition: var(--transition-standard);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.news-image {
    height: 200px;
    object-fit: cover;
    object-position: top;
    width: 100%;
}

/* Styles améliorés pour les tooltips */
.tooltip-wrapper {
    position: relative;
}

.tooltip {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translate(-50%, -100%);
    width: auto;
    min-width: 200px;
    max-width: 90vw;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.8rem;
    z-index: 20;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}

.tooltip::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid currentColor;
}

/* Affichage du tooltip sur hover et focus */
.input-icon-wrapper:hover + .tooltip,
.input-icon-wrapper:focus-within + .tooltip,
.tooltip-wrapper:hover .tooltip,
input:focus ~ .tooltip,
select:focus ~ .tooltip {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -110%);
}

/* Styles pour les différentes couleurs de tooltip */
.tooltip.bg-sapf-green::after {
    border-top-color: var(--sapf-green);
}

.tooltip.bg-sapf-red::after {
    border-top-color: var(--sapf-red);
}

/* Pour écrans plus petits, positionner les tooltips au-dessus */
@media (max-width: 640px) {
    .tooltip {
        left: 0;
        transform: translate(0, -100%);
        min-width: 100%;
    }
    
    .tooltip::after {
        left: 20px;
        transform: none;
    }
    
    .input-icon-wrapper:hover + .tooltip,
    .input-icon-wrapper:focus-within + .tooltip,
    .tooltip-wrapper:hover .tooltip,
    input:focus ~ .tooltip,
    select:focus ~ .tooltip {
        transform: translate(0, -110%);
    }
}

/* Styles pour les notifications */
.notification-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 50;
    max-width: 90%;
}

.notification {
    margin-top: 10px;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    min-width: 300px;
    max-width: 400px;
    transform: translateX(120%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    background-color: var(--sapf-green);
    color: white;
}

.notification-error {
    background-color: var(--sapf-red);
    color: white;
}

.notification-info {
    background-color: var(--sapf-blue);
    color: white;
}

.notification-warning {
    background-color: var(--sapf-yellow);
    color: white;
}

.notification-icon {
    margin-right: 12px;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.notification-content {
    flex: 1;
}

.notification-close {
    margin-left: 12px;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.8;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

.notification-close:hover {
    opacity: 1;
}

/* Ajustements pour le responsive */
@media (max-width: 640px) {
    .notification {
        min-width: auto;
        width: calc(100vw - 40px);
        margin-right: 0;
    }
}

/* Bouton de retour en haut */
#back-to-top {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

#back-to-top:hover {
    background-color: #218a57;
    transform: scale(1.1);
}

#back-to-top:active {
    transform: scale(0.95);
}

/* Accessibilité - focus styles */
a:focus, button:focus, input:focus, select:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
}

a:focus-visible, button:focus-visible {
    outline: 2px solid var(--sapf-blue);
    outline-offset: 2px;
}

/* Optimisations pour le responsive */
@media (max-width: 640px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    h1 {
        font-size: 1.875rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .news-image {
        height: 160px;
    }
}

/* Animations supplémentaires */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.slide-in {
    animation: slideIn 0.5s ease forwards;
}

/* Styles pour la section newsletter dans le footer */
.newsletter-input {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
    width: 100%;
    transition: var(--transition-standard);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--sapf-green);
    background-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.3);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.hashtag-pill {
    display: inline-flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: var(--transition-standard);
}

.hashtag-pill:hover {
    background-color: var(--sapf-green);
    transform: translateY(-2px);
}

/* Styles spécifiques pour le mobile menu */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

#mobile-menu.open {
    max-height: 500px;
}

#mobile-menu.hidden {
    display: none;
}

/* Styles améliorés pour le mode sombre (prefers-color-scheme) */
@media (prefers-color-scheme: dark) {
    body.dark-mode {
        background-color: #121212;
        color: #e5e5e5;
    }
    
    body.dark-mode .bg-white {
        background-color: #1f1f1f;
    }
    
    body.dark-mode .text-gray-800 {
        color: #e5e5e5;
    }
    
    body.dark-mode .text-gray-600 {
        color: #a0aec0;
    }
}

/* Animations pour la section hero */
.hero-text-animate {
    animation: fadeInUp 1s ease-out;
}

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

/* Accessibilité pour le contraste */
.high-contrast .bg-sapf-green {
    background-color: #1a7742;
}

.high-contrast .bg-sapf-red {
    background-color: #c01e1e;
}

.high-contrast .bg-sapf-yellow {
    background-color: #dd8c00;
}

/* Styles pour les liens d'évitement (skip links) pour l'accessibilité */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--sapf-green);
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}