/**
 * ============================================
 * CALSIGNS - PAGE D'ACCUEIL
 * ============================================
 */

/* ============================================
   HEADER
   ============================================ */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--spacing-md) var(--spacing-xl);
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.main-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.main-nav a:hover {
    color: var(--text-primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    transform: translate(-50%, -50%);
    background: radial-gradient(
        circle,
        rgba(59, 130, 246, 0.15) 0%,
        rgba(99, 102, 241, 0.1) 30%,
        transparent 70%
    );
    filter: blur(60px);
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.badge-icon {
    font-size: 1.1rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.hero .server-status {
    display: inline-flex;
    margin-top: var(--spacing-lg);
}

/* Animation véhicules */
.hero-animation {
    position: absolute;
    bottom: 50px;
    left: 0;
    right: 0;
    height: 50px;
    overflow: hidden;
    opacity: 0.6;
}

.vehicle {
    position: absolute;
    font-size: 2rem;
    animation: moveVehicle 20s linear infinite;
}

.vehicle.ambulance {
    animation-delay: 0s;
}

.vehicle.fire-truck {
    animation-delay: 7s;
}

.vehicle.police {
    animation-delay: 14s;
}

@keyframes moveVehicle {
    0% {
        left: -50px;
        opacity: 0;
    }
    5% {
        opacity: 1;
    }
    95% {
        opacity: 1;
    }
    100% {
        left: calc(100% + 50px);
        opacity: 0;
    }
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
    padding: var(--spacing-2xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-light);
    font-family: var(--font-mono);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section {
    padding: var(--spacing-2xl) * 2 var(--spacing-2xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
    padding: var(--spacing-2xl) * 2 var(--spacing-2xl);
    background: var(--bg-secondary);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.tech-stack {
    margin-top: var(--spacing-xl);
}

.tech-stack h4 {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Mock interface */
.mock-interface {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.mock-header {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.mock-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mock-dot.red { background: #ef4444; }
.mock-dot.yellow { background: #f59e0b; }
.mock-dot.green { background: #10b981; }

.mock-content {
    display: flex;
    height: 300px;
}

.mock-sidebar {
    width: 60px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
}

.mock-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.mock-map {
    flex: 1;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    position: relative;
}

.mock-map::after {
    content: '🗺️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    opacity: 0.3;
}

.mock-panel {
    height: 80px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
    padding: var(--spacing-2xl);
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .main-nav {
        display: none;
    }
}