/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: var(--space-md) 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    color: var(--accent-color);
    font-size: var(--text-2xl);
}

.logo-text {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.nav-list {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav-link {
    color: var(--nav-color);
    font-weight: 600;
    padding: var(--space-sm) 0;
    position: relative;
}

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.theme-switcher {
    margin-left: var(--space-lg);
}

/* Hero */
.hero {
    padding: var(--space-2xl) 0;
    text-align: center;
    margin-top: 80px; /* Pour compenser le header fixe */
}

.hero-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

/* Featured posts */
.featured-posts {
    padding: var(--space-xl) 0;
}

.section-title {
    position: relative;
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.post-card {
    position: relative;
}

.post-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background-color: var(--accent-color);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
    text-transform: uppercase;
}

.post-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.post-content {
    padding: var(--space-md);
}

.post-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--meta-color);
}

.post-category {
    background-color: var(--category-bg);
    color: var(--category-color);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.post-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.post-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--primary-color);
    font-weight: 600;
}

.read-more:hover {
    color: var(--primary-hover);
}


/* Newsletter */

.newsletter-section {
    position: relative;
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin: var(--space-2xl) 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(0);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.newsletter-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
}

.newsletter-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 992px) {
    .newsletter-content {
        grid-template-columns: 1fr 1fr;
    }
}

.newsletter-text {
    text-align: left;
}

.newsletter-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-md);
    line-height: 1.2;
    position: relative;
    display: inline-block;
}

.newsletter-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: white;
}

.newsletter-description {
    font-size: var(--text-lg);
    opacity: 0.9;
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.newsletter-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.newsletter-benefit {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-base);
}

.newsletter-benefit i {
    color: var(--accent-color);
    background-color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.newsletter-form-container {
    background-color: white;
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.newsletter-form-title {
    font-size: var(--text-xl);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    text-align: center;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: var(--text-sm);
}

.form-input {
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.newsletter-button {
    width: 100%;
    padding: var(--space-md);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--text-base);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.newsletter-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.newsletter-privacy {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-align: center;
    margin-top: var(--space-sm);
}

.newsletter-privacy a {
    color: var(--primary-color);
    text-decoration: underline;
}

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

.newsletter-illustration {
    text-align: center;
    animation: float 6s ease-in-out infinite;
}

.newsletter-illustration i {
    font-size: 10rem;
    color: rgba(255, 255, 255, 0.2);
}


/* Footer */
.footer {
    background-color: var(--bg-secondary);
    padding: var(--space-xl) 0;
}

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

.footer-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-link {
    color: var(--text-secondary);
}

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

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}