/* ==========================================================================
   TABLE DES MATIÈRES
   ==========================================================================
   1. RESET & VARIABLES
   2. TYPOGRAPHIE
   3. COMPOSANTS GÉNÉRAUX
   4. HEADER & NAVIGATION
   5. MENU MOBILE
   6. HERO SECTION
   7. SECTIONS COMMUNES
   8. COLLECTE SECTION
   9. PRÉSENTATION
   10. STATISTIQUES
   11. FONCTIONNEMENT (ÉTAPES)
   12. PROJETS
   13. TÉMOIGNAGES
   14. CTA SECTION
   15. FOOTER
   16. ANIMATIONS
   17. MEDIA QUERIES
   ========================================================================== */

/* ==========================================================================
   1. RESET & VARIABLES
   ========================================================================== */
:root {
    --primary-color: #f39c12;
    --primary-dark: #e67e22;
    --primary-light: #f1c40f;
    --secondary-color: #2c3e50;
    --secondary-dark: #1a252f;
    --secondary-light: #34495e;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    --shadow-2xl: 0 25px 50px rgba(0,0,0,0.25);
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --z-index-dropdown: 1000;
    --z-index-sticky: 1020;
    --z-index-fixed: 1030;
    --z-index-modal-backdrop: 1040;
    --z-index-modal: 1050;
    --z-index-popover: 1060;
    --z-index-tooltip: 1070;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    position: relative;
}

/* ==========================================================================
   2. TYPOGRAPHIE
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray-700);
}

.highlight {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary-color));
    opacity: 0.3;
    z-index: -1;
    border-radius: var(--border-radius-full);
}

/* ==========================================================================
   3. COMPOSANTS GÉNÉRAUX
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 30px;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: -1;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(44, 62, 80, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--secondary-color);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--secondary-color);
    border-color: var(--white);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn i {
    font-size: 1.1rem;
    transition: transform var(--transition-fast);
}

.btn:hover i {
    transform: translateX(5px);
}

/* Alertes */
.flash-messages {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: var(--z-index-fixed);
    max-width: 400px;
}

.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    margin-bottom: 10px;
}

.alert i:first-child {
    font-size: 1.5rem;
}

.alert span {
    flex: 1;
}

.alert-close {
    background: transparent;
    border: none;
    color: currentColor;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    padding: 0;
    line-height: 1;
}

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

.alert-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd, #ffeeba);
    color: #856404;
    border-left: 4px solid #ffc107;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

/* ==========================================================================
   4. HEADER & NAVIGATION
   ========================================================================== */
.collecte-notification {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 10px 0;
    font-size: 0.9rem;
    position: relative;
    z-index: var(--z-index-sticky);
}

.notification-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.notification-content i {
    font-size: 1.2rem;
}

.notification-text {
    font-weight: 500;
}

.notification-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-full);
    transition: background var(--transition-fast);
}

.notification-link:hover {
    background: rgba(255, 255, 255, 0.3);
}

.notification-link i {
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.notification-link:hover i {
    transform: translateX(3px);
}

.site-header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-index-fixed);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    padding: 5px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    transition: padding var(--transition-base);
}

.scrolled .navbar {
    padding: 10px 0;
}

/* Logo */
.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transform: rotate(45deg);
    transition: transform var(--transition-base);
}

.logo a:hover .logo-icon {
    transform: rotate(90deg);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary-color);
}

.logo-highlight {
    color: var(--primary-color);
}

/* Menu Desktop */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 600;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Boutons de connexion/inscription dans le menu */
.btn-login, .btn-register {
    padding: 8px 20px;
    border-radius: var(--border-radius-full);
}

.btn-login {
    background: var(--gray-100);
    color: var(--secondary-color);
}

.btn-login:hover {
    background: var(--gray-200);
}

.btn-register {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Menu utilisateur dropdown */
.dropdown {
    position: relative;
}

.dropdown .nav-link i:last-child {
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.dropdown:hover .nav-link i:last-child {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: 10px 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: var(--z-index-dropdown);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    text-decoration: none;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
    background: var(--gray-100);
    color: var(--primary-color);
    padding-left: 25px;
}

.dropdown-menu li a i {
    width: 20px;
    color: var(--primary-color);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 10px 0;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    z-index: var(--z-index-fixed);
}

.hamburger .bar {
    width: 30px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-base);
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ==========================================================================
   5. MENU MOBILE
   ========================================================================== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -400px;
    width: 100%;
    max-width: 350px;
    height: 100vh;
    background: linear-gradient(135deg, var(--white), var(--gray-100));
    z-index: var(--z-index-modal);
    transition: right var(--transition-base);
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
}

.mobile-logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--secondary-color);
}

.mobile-menu-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-600);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.mobile-menu-close:hover {
    background: var(--gray-200);
    color: var(--danger-color);
}

.mobile-nav {
    list-style: none;
    padding: 20px;
}

.mobile-nav li {
    margin-bottom: 5px;
}

.mobile-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.mobile-nav li a:hover {
    background: var(--gray-200);
    color: var(--primary-color);
    padding-left: 25px;
}

.mobile-nav li a i {
    width: 20px;
    color: var(--primary-color);
}

.mobile-divider {
    height: 1px;
    background: var(--gray-300);
    margin: 20px 0;
}

.mobile-btn-login {
    background: var(--gray-100);
}

.mobile-btn-register {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white) !important;
}

.mobile-btn-register i {
    color: var(--white) !important;
}

.mobile-menu-footer {
    padding: 20px;
    text-align: center;
    border-top: 1px solid var(--gray-200);
}

.mobile-menu-footer .social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.mobile-menu-footer .social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.mobile-menu-footer .social-links a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.mobile-menu-footer p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-index-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   6. HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--secondary-dark), var(--secondary-color));
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.95), rgba(52, 73, 94, 0.9));
    z-index: 1;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.hero .container {
    position: relative;
    z-index: 3;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: var(--white);
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    font-size: 0.9rem;
    margin-bottom: 30px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 30px;
    color: var(--white);
}

.title-line {
    display: block;
}

.hero-title .highlight {
    color: var(--primary-color);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 50px;
}

.stat-card {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    text-decoration: none;
    color: var(--white);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.scroll-link:hover {
    transform: translateY(5px);
    color: var(--primary-color);
}

.scroll-link i {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

/* ==========================================================================
   7. SECTIONS COMMUNES
   ========================================================================== */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-subtitle {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    margin: 0 auto;
    border-radius: var(--border-radius-full);
}

/* ==========================================================================
   8. COLLECTE SECTION
   ========================================================================== */
.collecte-section {
    background: linear-gradient(135deg, #f6f9fc, #f1f5f9);
    padding: 60px 0;
}

.collecte-wrapper {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
}

.collecte-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 15px 30px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    border-radius: 0 0 var(--border-radius-lg) 0;
}

.collecte-badge i {
    font-size: 1.2rem;
}

.collecte-content {
    padding: 40px;
}

.collecte-title {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.collecte-description {
    color: var(--gray-600);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.collecte-progress-container {
    margin-bottom: 30px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: 600;
}

.progress-percentage {
    color: var(--primary-color);
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--gray-200);
    border-radius: var(--border-radius-full);
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--border-radius-full);
    transition: width 1s ease;
}

.progress-stats {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.progress-stats .stat {
    flex: 1;
    text-align: center;
    padding: 15px;
    background: var(--gray-100);
    border-radius: var(--border-radius-md);
}

.progress-stats .stat-value {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.progress-stats .stat-label {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.collecte-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.collecte-motif {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 0.95rem;
}

.collecte-motif i {
    color: var(--primary-color);
}

/* ==========================================================================
   9. PRÉSENTATION
   ========================================================================== */
.presentation {
    background: var(--white);
}

.presentation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.lead-text {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 40px;
    line-height: 1.5;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.1), rgba(230, 126, 34, 0.1));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all var(--transition-base);
}

.feature-item:hover .feature-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
}

.feature-content h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.feature-content p {
    color: var(--gray-600);
    margin: 0;
}

.presentation-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.image-wrapper:hover img {
    transform: scale(1.1);
}

.experience-badge {
    position: absolute;
    bottom: 30px;
    right: -20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 20px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: float 3s infinite ease-in-out;
}

.experience-badge .years {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ==========================================================================
   10. STATISTIQUES
   ========================================================================== */
.stats-section {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.stats-grid .stat-item {
    text-align: center;
    color: var(--white);
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--transition-base);
}

.stats-grid .stat-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.stats-grid .stat-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.stats-grid .stat-number {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 5px;
    color: var(--white);
}

.stats-grid .stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

/* ==========================================================================
   11. FONCTIONNEMENT (ÉTAPES)
   ========================================================================== */
.fonctionnement {
    background: var(--gray-100);
}

.steps-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 50px;
    position: relative;
}

.step-item:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.3;
    line-height: 1;
    min-width: 80px;
    text-align: center;
}

.step-content {
    flex: 1;
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all var(--transition-base);
}

.step-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.step-icon-wrapper {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.step-content p {
    color: var(--gray-600);
    margin: 0;
}

.fonctionnement-cta {
    text-align: center;
    margin-top: 50px;
}

/* ==========================================================================
   12. PROJETS
   ========================================================================== */
.projets {
    background: var(--white);
}

.projets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.projet-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    border: 1px solid var(--gray-200);
}

.projet-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.projet-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.projet-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.projet-card:hover .projet-image img {
    transform: scale(1.1);
}

.projet-category {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 5px 15px;
    border-radius: var(--border-radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 1;
}

.projet-content {
    padding: 20px;
}

.projet-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.projet-content p {
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.5;
}

.projet-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.projet-invest {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--secondary-color);
    font-weight: 600;
}

.projet-invest i {
    color: var(--primary-color);
}

.projet-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    padding: 5px 12px;
    border-radius: var(--border-radius-full);
    background: var(--gray-100);
}

.projet-status i {
    font-size: 0.6rem;
}

.status-actif {
    color: var(--success-color);
}

.status-termine {
    color: var(--gray-600);
}

.status-suspendu {
    color: var(--danger-color);
}

.empty-state {
    text-align: center;
    padding: 60px;
    background: var(--gray-100);
    border-radius: var(--border-radius-lg);
}

.empty-state i {
    font-size: 4rem;
    color: var(--gray-400);
    margin-bottom: 20px;
}

.empty-state h3 {
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--gray-500);
}

/* ==========================================================================
   13. TÉMOIGNAGES
   ========================================================================== */
.testimonials {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(243, 156, 18, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.testimonial-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.testimonial-quote {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.1;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--gray-700);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.author-info span {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* ==========================================================================
   14. CTA SECTION
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><path d="M30 0 L60 30 L30 60 L0 30 Z" fill="rgba(255,255,255,0.02)"/></svg>');
    opacity: 0.1;
}

.cta-wrapper {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* ==========================================================================
   15. FOOTER
   ========================================================================== */
.site-footer {
    background: var(--secondary-dark);
    color: var(--white);
    position: relative;
}

.footer-wave {
    position: absolute;
    top: -100px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.footer-wave svg {
    width: 100%;
    height: auto;
}

.footer-main {
    padding: 80px 0 40px;
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col {
    color: rgba(255, 255, 255, 0.8);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-logo i {
    color: var(--primary-color);
}

.footer-description {
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-stats-mini {
    display: flex;
    gap: 20px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: var(--border-radius-md);
}

.footer-stats-mini .stat-item {
    text-align: center;
    flex: 1;
}

.footer-stats-mini .stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.footer-stats-mini .stat-label {
    font-size: 0.8rem;
    opacity: 0.8;
}

.footer-title {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-links i {
    font-size: 0.8rem;
    color: var(--primary-color);
}

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-contact i {
    color: var(--primary-color);
    font-size: 1.2rem;
    min-width: 20px;
}

.footer-contact span {
    flex: 1;
}

.newsletter-text {
    margin-bottom: 15px;
}

.input-group {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.input-group input {
    flex: 1;
    padding: 12px 15px;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 0.95rem;
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.input-group input:focus {
    outline: none;
}

.btn-newsletter {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: var(--white);
    padding: 0 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-newsletter:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.footer-social h5 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1rem;
}

.social-icons {
    display: flex;
    gap: 10px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    transform: translateY(-3px);
}

.social-icon.facebook:hover {
    background: #1877f2;
}

.social-icon.whatsapp:hover {
    background: #25d366;
}

.social-icon.telegram:hover {
    background: #0088cc;
}

.social-icon.linkedin:hover {
    background: #0a66c2;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 20px 0;
    font-size: 0.9rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   16. ANIMATIONS
   ========================================================================== */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* ==========================================================================
   17. MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1200px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.2rem; }
    .hero-title { font-size: 3.5rem; }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .stat-card {
        flex: 1 1 calc(50% - 20px);
    }
    
    .presentation-grid {
        grid-template-columns: 1fr;
    }
    
    .presentation-image {
        order: -1;
    }
    
    .steps-container::before {
        left: 30px;
    }
    
    .step-item,
    .step-item:nth-child(even) {
        flex-direction: row;
        margin-left: 60px;
    }
    
    .step-number {
        min-width: 50px;
        font-size: 3rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .hero-title { font-size: 2.8rem; }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .collecte-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .collecte-motif {
        justify-content: center;
    }
    
    .progress-stats {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .projets-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    .hero-title { font-size: 2.2rem; }
    
    .hero-badge {
        font-size: 0.8rem;
    }
    
    .stat-card {
        flex: 1 1 100%;
    }
    
    .step-item {
        margin-left: 40px;
    }
    
    .step-number {
        font-size: 2rem;
        min-width: 40px;
    }
    
    .step-content {
        padding: 20px;
    }
    
    .step-icon-wrapper {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .experience-badge {
        right: 10px;
        padding: 15px;
    }
    
    .experience-badge .years {
        font-size: 1.5rem;
    }
}

/* Classes d'aide */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }
																																																																																																																																																																																																																											  
/* Styles pour la validation des mots de passe */
.requirement.valid {
    color: var(--success-color);
}

.requirement.invalid {
    color: var(--danger-color);
}

.password-match {
    margin-top: 5px;
    font-size: 0.85rem;
}

.password-match.match {
    color: var(--success-color);
}

.password-match.no-match {
    color: var(--danger-color);
}