/* Navigation de classe mondiale */
:root {
    --nav-height: 80px;
    --nav-bg: rgba(255, 255, 255, 0.98);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.95);
    --nav-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --nav-border: 1px solid rgba(0, 0, 0, 0.05);
    
    --dropdown-width: 280px;
    --dropdown-bg: #ffffff;
    --dropdown-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    --dropdown-border: 1px solid rgba(93, 95, 24, 0.1);
    --dropdown-radius: 16px;
    
    --transition-nav: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Header Premium */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: var(--nav-border);
    transition: var(--transition-nav);
    height: var(--nav-height);
}

.header.scrolled {
    height: 70px;
    background: var(--nav-bg-scrolled);
    box-shadow: var(--nav-shadow);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.nav {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Logo Premium */
.logo {
    position: relative;
    z-index: 2;
}

.logo a {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
    line-height: 1;
    letter-spacing: -0.5px;
    transition: var(--transition-nav);
}

.logo span {
    font-size: 0.7rem;
    color: var(--gray);
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 4px;
    transition: var(--transition-nav);
    opacity: 0.8;
}

.header.scrolled .logo h1 {
    font-size: 1.8rem;
}

.header.scrolled .logo span {
    font-size: 0.65rem;
    letter-spacing: 1.5px;
}

/* Navigation Menu Container */
.nav-menu-container {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
    gap: 0.25rem;
}

/* Menu Items */
.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    height: 70%;
    color: var(--charcoal);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 40px;
    transition: var(--transition-nav);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

/* Effet de background au hover */
.nav-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--primary-soft);
    border-radius: 40px;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    z-index: -1;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
    height: 100%;
}

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

/* Dropdown Arrow */
.dropdown-arrow {
    margin-left: 6px;
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.nav-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Mega Dropdown Menu */
.mega-dropdown {
    position: absolute;
    top: calc(100% - 10px);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    width: var(--dropdown-width);
    background: var(--dropdown-bg);
    border-radius: var(--dropdown-radius);
    box-shadow: var(--dropdown-shadow);
    border: var(--dropdown-border);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 100;
    overflow: hidden;
}

/* Triangle indicator */
.mega-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 16px;
    height: 16px;
    background: var(--dropdown-bg);
    border-left: var(--dropdown-border);
    border-top: var(--dropdown-border);
    border-radius: 4px 0 0 0;
}

.nav-item:hover .mega-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Dropdown Header */
.dropdown-header {
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-soft) 0%, var(--accent-soft) 100%);
    border-bottom: 1px solid var(--primary-soft);
}

.dropdown-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--primary-dark);
    font-weight: 600;
}

.dropdown-header p {
    margin: 0.25rem 0 0;
    font-size: 0.8rem;
    color: var(--gray);
}

/* Dropdown Content */
.dropdown-content {
    padding: 1rem 0;
}

/* Dropdown Items */
.dropdown-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: var(--charcoal);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dropdown-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.dropdown-item:hover {
    background: var(--primary-soft);
    padding-left: 2rem;
}

.dropdown-item:hover::before {
    transform: scaleY(1);
}

.dropdown-icon {
    width: 36px;
    height: 36px;
    background: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: var(--primary);
    font-size: 1.1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition-nav);
}

.dropdown-item:hover .dropdown-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.05);
}

.dropdown-text {
    flex: 1;
}

.dropdown-title {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--charcoal);
    margin-bottom: 0.2rem;
}

.dropdown-desc {
    display: block;
    font-size: 0.8rem;
    color: var(--gray);
}

/* Dropdown avec 2 colonnes */
.mega-dropdown.wide {
    width: 500px;
}

.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    padding: 1rem;
}

.dropdown-grid .dropdown-item {
    padding: 0.75rem 1rem;
    border-radius: 8px;
}

/* Dropdown avec image */
.dropdown-image {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.dropdown-image img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 3px solid white;
}

.dropdown-image h4 {
    color: white;
    margin-bottom: 0.25rem;
}

.dropdown-image p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
}

/* Dropdown Footer */
.dropdown-footer {
    padding: 1rem 1.5rem;
    background: var(--off-white);
    border-top: 1px solid var(--medium-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dropdown-footer a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-nav);
}

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

/* Language Selector Premium */
.language-selector {
    margin-left: 1rem;
    border-left: 1px solid var(--medium-gray);
    padding-left: 1rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--medium-gray);
    border-radius: 40px;
    cursor: pointer;
    transition: var(--transition-nav);
    font-size: 0.9rem;
    color: var(--charcoal);
}

.lang-btn:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
}

.lang-flag {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
}

/* Theme Toggle Premium */
.theme-toggle {
    margin-left: 0.5rem;
}

.theme-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--medium-gray);
    border-radius: 50%;
    background: transparent;
    color: var(--charcoal);
    cursor: pointer;
    transition: var(--transition-nav);
}

.theme-btn:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
    transform: rotate(180deg);
}

/* CTA Button */
.nav-cta {
    margin-left: 1rem;
}

.cta-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.6rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-nav);
    text-decoration: none;
}

.cta-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px var(--primary-glow);
}

.cta-btn i {
    font-size: 1rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: var(--transition-nav);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Search Bar */
.nav-search {
    position: relative;
    margin-left: 1rem;
}

.search-input {
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid var(--medium-gray);
    border-radius: 40px;
    font-size: 0.9rem;
    width: 200px;
    transition: var(--transition-nav);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    width: 250px;
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .nav {
        padding: 0 1rem;
    }
    
    .nav-link {
        padding: 0 0.75rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 992px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 350px;
        height: 100vh;
        background: var(--white);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        transition: right 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        padding: var(--nav-height) 0 2rem;
        overflow-y: auto;
    }
    
    .nav-menu-container.active {
        right: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        height: auto;
        gap: 0.5rem;
        padding: 1rem;
    }
    
    .nav-item {
        height: auto;
        display: block;
    }
    
    .nav-link {
        height: auto;
        padding: 1rem;
        width: 100%;
    }
    
    .mega-dropdown {
        position: static;
        transform: none;
        width: 100%;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        margin: 0.5rem 0 0.5rem 1rem;
        display: none;
    }
    
    .mega-dropdown::before {
        display: none;
    }
    
    .nav-item.active .mega-dropdown {
        display: block;
    }
    
    .language-selector,
    .theme-toggle,
    .nav-cta {
        margin: 1rem;
    }
}

/* Animations */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.mega-dropdown {
    animation: fadeInScale 0.3s ease forwards;
}

/* Indicateur de page active */
.nav-link.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

/* Badge pour notifications */
.nav-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}