/* ========================================
   styles-client.css
   Interface Client - KEHNA Green
   Version unifiée pour toutes les pages
   ======================================== */

/* ========== VARIABLES & RESET ========== */
:root {
    /* Couleurs principales */
    --primary: #F59E0B;
    --primary-dark: #D97706;
    --primary-light: #FBBF24;
    --secondary: #0ea5e9;
    --secondary-dark: #0284c7;
    --accent: #F59E0B;
    
    /* Neutres */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Espacements */
    --container-padding: 2rem;
    --section-spacing: 5rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== BOUTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: white;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-300);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    z-index: 1;
}

/* ========== PAGE ACTUALITES ========== */
.actualites-hero {
    background: linear-gradient(135deg, #1A2F3F 0%, #0F2027 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.actualites-hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.actualites-hero-description {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.actualites-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Filtres */
.actualites-filters {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.filters-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-600);
}

.filters-header i {
    color: var(--primary);
}

.filters-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gray-100);
    border-radius: 50px;
    text-decoration: none;
    color: var(--gray-600);
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.filter-btn .count {
    background: rgba(0,0,0,0.1);
    padding: 0.125rem 0.375rem;
    border-radius: 50px;
    font-size: 0.75rem;
}

.filter-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary);
    color: white;
}

/* Article à la une */
.featured-article {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-xl);
    display: grid;
    grid-template-columns: 1.2fr 1fr;
}

.featured-image {
    position: relative;
    height: 100%;
    min-height: 350px;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.featured-content {
    padding: 2rem;
}

.featured-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.featured-meta i {
    margin-right: 0.25rem;
}

.featured-content h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.featured-excerpt {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.featured-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Grille articles */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.article-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

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

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

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

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.article-content {
    padding: 1.5rem;
}

.article-date {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-bottom: 0.75rem;
}

.article-content h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.article-content h3 a {
    text-decoration: none;
    color: var(--gray-800);
    transition: color var(--transition-fast);
}

.article-content h3 a:hover {
    color: var(--primary);
}

.article-content p {
    color: var(--gray-500);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.read-more {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap var(--transition-fast);
}

.read-more:hover {
    gap: 0.75rem;
}

/* Pagination */
.pagination-wrapper {
    margin-top: 2rem;
    text-align: center;
}

.pagination {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    padding: 0.5rem;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
}

.page-prev, .page-next {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--gray-600);
    border-radius: 50px;
    transition: all var(--transition-base);
}

.page-prev:hover, .page-next:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.page-prev.disabled, .page-next.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-numbers {
    display: inline-flex;
    gap: 0.25rem;
}

.page-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    text-decoration: none;
    color: var(--gray-600);
    border-radius: 50%;
    transition: all var(--transition-base);
    font-weight: 500;
}

.page-number:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.page-number.active {
    background: var(--primary);
    color: white;
}

.page-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--gray-400);
}

/* No articles */
.no-articles {
    text-align: center;
    padding: 4rem;
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

.no-articles i {
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.no-articles h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.no-articles p {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

/* Share buttons */
.share-buttons {
    display: flex;
    gap: 0.5rem;
}

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-base);
}

.share-btn.facebook {
    background: #1877F2;
    color: white;
}

.share-btn.linkedin {
    background: #0077B5;
    color: white;
}

.share-btn.twitter {
    background: #1DA1F2;
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    filter: brightness(0.9);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos="fade-up"] {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

[data-aos-delay="100"] {
    animation-delay: 0.1s;
}

[data-aos-delay="200"] {
    animation-delay: 0.2s;
}

[data-aos-delay="300"] {
    animation-delay: 0.3s;
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .featured-article {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --section-spacing: 3rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .actualites-hero-title {
        font-size: 1.75rem;
    }
    
    .featured-image {
        min-height: 250px;
    }
    
    .featured-content {
        padding: 1.5rem;
    }
    
    .featured-content h2 {
        font-size: 1.25rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
        border-radius: 16px;
        padding: 1rem;
    }
    
    .page-numbers {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .actualites-container {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .featured-meta {
        flex-wrap: wrap;
    }
}