/* ========================================
   RESET ET VARIABLES
   ======================================== */

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

:root {
    /* Palette de couleurs V-tools */
    --primary-color: #28f29c;
    --primary-dark: #20c27d;
    --secondary-color: #28f29c;
    --text-dark: #ffffff;
    --text-light: #b5b6b7;
    --text-gray: #b5b6b7;
    --bg-dark: #0b0d11;
    --bg-card: #151820;
    --bg-light: #0b0d11;
    --bg-white: #151820;
    --white: #ffffff;
    --border-color: rgba(181, 182, 183, 0.1);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);

    /* Typographie */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Bordures */
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
}

/* ========================================
   STYLES GÉNÉRAUX
   ======================================== */

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--bg-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   HEADER NAVIGATION (identique à index.html)
   ======================================== */

.header {
    background: var(--bg-dark);
    padding: 20px 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(181, 182, 183, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.logo {
    max-width: 160px;
    height: auto;
    display: block;
    flex-shrink: 0;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: 35px;
    align-items: center;
    flex-grow: 1;
    justify-content: center;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

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

/* CTA Button */
.btn-cta {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary-color);
    color: var(--bg-dark);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(40, 242, 156, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 242, 156, 0.5);
    background: var(--primary-dark);
}

/* ========================================
   BLOG HERO SECTION
   ======================================== */

.blog-hero {
    background: var(--bg-card);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border-color);
}

.blog-hero h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.5px;
    color: var(--white);
}

.blog-hero .subtitle {
    font-size: 1.125rem;
    opacity: 0.95;
    font-weight: 300;
    color: var(--text-light);
}

/* ========================================
   MAIN CONTENT
   ======================================== */

.blog-main {
    padding: var(--spacing-xl) 0;
    min-height: 60vh;
}

/* ========================================
   FILTRES / CATÉGORIES
   ======================================== */

.filters {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.category-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid rgba(181, 182, 183, 0.3);
    background-color: transparent;
    color: var(--text-light);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.category-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--bg-dark);
    border-color: transparent;
    font-weight: 700;
}

/* ========================================
   GRILLE D'ARTICLES
   ======================================== */

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   CARTES D'ARTICLES
   ======================================== */

.blog-card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(40, 242, 156, 0.15);
    border-color: var(--primary-color);
}

/* En-tête de carte */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.date {
    font-size: 0.875rem;
    color: var(--text-gray);
    font-weight: 500;
}

/* Tags de catégories */
.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-tech {
    background-color: #dbeafe;
    color: #1e40af;
}

.tag-design {
    background-color: #fce7f3;
    color: #be185d;
}

.tag-business {
    background-color: #d1fae5;
    color: #065f46;
}

.tag-tutorials {
    background-color: #fef3c7;
    color: #92400e;
}

/* Titre de l'article */
.article-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.article-title a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Extrait de l'article */
.article-excerpt {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Lien "Lire l'article" */
.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.read-more:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

/* ========================================
   PAGINATION
   ======================================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) 0;
}

.pagination-btn,
.page-number {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid rgba(181, 182, 183, 0.3);
    background-color: transparent;
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    font-weight: 500;
}

.pagination-btn:hover:not(.disabled),
.page-number:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--bg-dark);
    border-color: transparent;
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-number.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--bg-dark);
    border-color: transparent;
    font-weight: 700;
}

.pagination-info {
    display: flex;
    gap: var(--spacing-xs);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: var(--bg-card);
    color: var(--white);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    margin-bottom: var(--spacing-xs);
}

.footer-inspiration {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.footer-inspiration a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-inspiration a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablettes */
@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
    }

    .header-container {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .logo {
        max-width: 140px;
        order: 1;
        margin: 0 auto;
    }

    .nav-menu {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 15px;
        flex-wrap: wrap;
        padding-top: 10px;
        border-top: 1px solid rgba(181, 182, 183, 0.1);
    }

    .nav-link {
        font-size: 0.85rem;
        padding: 5px 0;
    }

    .btn-cta {
        order: 2;
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .blog-hero h1 {
        font-size: 2rem;
    }

    .blog-hero .subtitle {
        font-size: 1rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .categories {
        justify-content: flex-start;
    }

    .article-title {
        font-size: 1.25rem;
    }
}

/* Mobiles */
@media (max-width: 480px) {
    .header {
        padding: 12px 15px;
    }

    .logo {
        max-width: 110px;
    }

    .nav-menu {
        gap: 12px;
    }

    .nav-link {
        font-size: 0.8rem;
    }

    .btn-cta {
        padding: 8px 18px;
        font-size: 0.85rem;
    }

    .blog-hero {
        padding: var(--spacing-lg) 0;
    }

    .blog-hero h1 {
        font-size: 1.75rem;
    }

    .blog-main {
        padding: var(--spacing-md) 0;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .filters {
        padding: var(--spacing-sm);
    }

    .category-btn {
        font-size: 0.8125rem;
        padding: 0.375rem var(--spacing-sm);
    }

    .blog-card {
        padding: var(--spacing-sm);
    }

    .footer-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .pagination {
        flex-wrap: wrap;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

.blog-card {
    animation: fadeIn 0.5s ease-out;
}

/* Animation différée pour chaque carte */
.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-card:nth-child(4) { animation-delay: 0.4s; }
.blog-card:nth-child(5) { animation-delay: 0.5s; }
.blog-card:nth-child(6) { animation-delay: 0.6s; }

/* ========================================
   UTILITAIRES
   ======================================== */

/* Accessibilité - focus visible */
a:focus,
button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Préférence pour les animations réduites */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}