/**
 * Layout Styles
 * Règle 14 : Layout components
 * Règle 15 : Mobile First
 */

/* === Header === */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-fixed);
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(var(--blur-md));
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.logo-text h1 {
    font-size: var(--font-size-xl);
    margin: 0;
    color: var(--white);
}

.logo-text p {
    font-size: var(--font-size-sm);
    color: var(--gray-lighter);
    margin: 0;
}

/* === Navigation === */
.main-nav ul {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.main-nav a {
    color: var(--light);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    background: rgba(255, 107, 53, 0.1);
}

/* === Mobile Menu Toggle === */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(var(--blur-lg));
        padding: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .main-nav.active {
        transform: translateX(0);
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .main-nav a {
        display: block;
        padding: var(--spacing-md);
    }
}

/* === Player Bar === */
.player-bar {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(var(--blur-lg));
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
}

.player-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.player-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
}

.player-cover {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    object-fit: cover;
}

.player-meta h4 {
    font-size: var(--font-size-base);
    margin: 0 0 var(--spacing-xs) 0;
}

.player-meta p {
    font-size: var(--font-size-sm);
    color: var(--gray-lighter);
    margin: 0;
}

.player-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.player-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.player-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.player-btn.playing {
    animation: pulse 2s ease-in-out infinite;
}

.player-volume {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* === Hero Section === */
.hero-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-sunset);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.hero-card-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.stats-grid,
.features-grid {
    display: grid;
    gap: var(--spacing-2xl);
}

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* === Main Content === */
main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-3xl) 0;
}

.section {
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* === Footer === */
.site-footer {
    background: rgba(0, 0, 0, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
    margin-top: var(--spacing-4xl);
}

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

.footer-section h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-section a {
    color: var(--gray-lighter);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-lighter);
    font-size: var(--font-size-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-4px);
    color: var(--white);
}

/* === Responsive === */
@media (max-width: 768px) {
    .hero-section {
        padding: var(--spacing-2xl) 0;
    }

    .hero-content {
        gap: var(--spacing-lg);
    }

    .hero-content h1 {
        font-size: clamp(2rem, 5vw, 2.5rem);
    }

    .hero-content p {
        font-size: clamp(1rem, 4.5vw, 1.25rem);
    }

    main {
        padding: var(--spacing-xl) 0;
    }
    
    .section {
        margin-bottom: var(--spacing-xl);
    }

    .player-info {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .player-volume {
        display: none;
    }

    .hero-card-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 992px) {
    .hero-section .card {
        padding: var(--spacing-xl);
    }

    .hero-section .card > div {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero-section img {
        margin: 0 auto;
        max-width: 220px;
    }

    .stats-grid,
    .features-grid {
        gap: var(--spacing-xl);
    }
}