/* ==============================================
   NAVIGATION BAR - Style identique à index.php
   ============================================== */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Header moderne et professionnel */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a365d;
}

.logo i {
    margin-right: 0.5rem;
    color: #3182ce;
}

.logo a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo a:hover {
    color: #3182ce;
}

/* Navigation mobile */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #3182ce;
    cursor: pointer;
    z-index: 1001;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

/* Style de soulignement au survol */
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: linear-gradient(135deg, #3182ce, #2c5aa0);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover {
    color: #3182ce;
}

.nav-link.active {
    color: #3182ce;
}

/* Buttons dans la navbar */
.btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3182ce, #2c5aa0);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: #3182ce;
    border: 2px solid #3182ce;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2c5aa0, #1a365d);
}

.btn-secondary:hover {
    background: #3182ce;
    color: white;
}

/* ==============================================
   FOOTER - Style identique à index.php
   ============================================== */

footer {
    background: #1a202c;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #3182ce;
}

.footer-section p {
    color: #cbd5e0;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: #3182ce;
    transform: translateX(5px);
}

.footer-contact {
    color: #cbd5e0;
}

.footer-contact p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.footer-contact a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contact a:hover {
    color: #3182ce;
}

/* Social Links dans le footer */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: #3182ce;
    border-color: #3182ce;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(49, 130, 206, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #2d3748;
    color: #718096;
}

.footer-bottom p {
    margin: 0;
}

.footer-bottom .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* ==============================================
   RESPONSIVE DESIGN - MOBILE
   ============================================== */

@media (max-width: 768px) {
    /* Navigation Mobile */
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: left 0.3s ease;
        z-index: 1000;
    }
    
    .nav-menu.mobile-open {
        left: 0;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 1rem 2rem;
    }
    
    .header-container {
        padding: 0 1rem;
    }
    
    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-links {
        margin-bottom: 2rem;
    }
    
    .footer-contact p {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 1rem;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }
    
    footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-section h5 {
        font-size: 1.1rem;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ==============================================
   AMÉLIORATIONS SUPPLÉMENTAIRES
   ============================================== */

/* Smooth scroll */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Accessibilité - Focus visible */
.btn:focus,
.nav-link:focus,
.social-link:focus {
    outline: 2px solid #3182ce;
    outline-offset: 2px;
}

/* Animation pour le menu mobile */
.nav-menu.mobile-open .nav-links {
    animation: slideInFromTop 0.4s ease-out;
}

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

/* Effet de scroll sur le header */
header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

/* Container général */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
}

/* Breadcrumb integration */
.breadcrumb {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    display: inline-flex;
    gap: 0.5rem;
    margin: 0;
}

.breadcrumb-item {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.breadcrumb-item a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.breadcrumb-item a:hover {
    color: #ffd700;
}

.breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '›';
    margin-right: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Print styles */
@media print {
    header,
    footer,
    .mobile-menu-btn {
        display: none;
    }
}