/* =====================================
   HEADER UNIFIÉ - STYLES COMMUNS
   ===================================== */

/* Styles de base pour le header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    padding: 0;
    height: 90px;
    display: flex;
    align-items: center;
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Logo */
.nav__logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.nav__logo-image {
    height: 32px;
    width: auto;
    transition: transform 0.3s ease;
}

.nav__logo-link:hover .nav__logo-image {
    transform: scale(1.05);
}

.nav__logo-text {
    font-family: var(--font-primary);
}

/* Menu principal */
.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav__link {
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-decoration: none;
    color: var(--dark-color);
}

.nav__link:hover,
.nav__link.active {
    background-color: var(--light-color);
    color: var(--primary-color);
}

/* CTA dans le menu - positionnement desktop */
.nav__menu .nav__cta {
    margin-left: auto;
}

/* CTA Button */
.nav__cta {
    display: flex;
    align-items: center;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary-color), var(--white));
    color: var(--dark-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--white), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(var(--primary-color), 0.3);
}

/* Menu hamburger (mobile) */
.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
}

.nav__hamburger span {
    display: block;
    width: 35px;
    height: 3px;
    background: var(--dark-color);
    margin: 4px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.nav__hamburger:hover span {
    background: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .nav__container {
        padding: 0 var(--spacing-md);
    }
    
    .nav__menu {
        display: none !important;
        position: fixed;
        top: 90px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-xl) var(--spacing-lg);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        z-index: 998;
        transform: translateX(100%);
        transition: all 0.3s ease-in-out;
        opacity: 0;
        overflow-y: auto;
        gap: var(--spacing-md);
    }
    
    .nav__menu.active {
        display: flex !important;
        transform: translateX(0);
        opacity: 1;
    }
    
    .nav__menu .nav__link {
        padding: var(--spacing-lg);
        margin: var(--spacing-sm) 0;
        text-align: center;
        border-radius: var(--border-radius);
        transition: all 0.3s ease;
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--dark-color);
    }
    
    .nav__menu .nav__link:hover {
        background: var(--light-color);
        transform: translateX(5px);
        color: var(--primary-color);
    }
    
    .nav__dropdown {
        margin: var(--spacing-md) 0;
        position: relative;
    }
    
    .nav__dropdown-toggle {
        width: 100%;
        padding: var(--spacing-lg);
        text-align: center;
        background: var(--primary-color);
        color: var(--white);
        border-radius: var(--border-radius);
        font-size: 1.1rem;
        font-weight: 500;
        border: none;
        cursor: pointer;
        position: relative;
        /* Optimisation tactile pour smartphone */
        touch-action: manipulation;
        user-select: none;
        -webkit-user-select: none;
        -webkit-tap-highlight-color: transparent;
        /* Zone tactile minimale recommandée */
        min-height: 48px;
        /* Empêcher le double-tap zoom */
        -ms-touch-action: manipulation;
    }
    
    .nav__dropdown-toggle::after {
        content: '▼';
        position: absolute;
        right: 16px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 0.8rem;
        transition: transform 0.3s ease;
    }
    
    .nav__dropdown-toggle.active::after {
        transform: translateY(-50%) rotate(180deg);
    }
    
    /* Menu dropdown mobile - positionnement correct */
    .nav__menu .nav__dropdown-menu {
        position: static !important;
        transform: none !important;
        left: auto !important;
        top: auto !important;
        width: 100% !important;
        margin: 0 !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        background: rgba(248, 249, 250, 0.95) !important;
        border-top: 1px solid rgba(0, 0, 0, 0.1) !important;
        z-index: 1 !important;
    }
    
    .nav__cta {
        display: none;
    }
    
    .nav__hamburger {
        display: flex !important;
    }
    
    .nav__hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav__hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav__hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

/* Animation du header au scroll */
.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

/* Espacement pour le contenu fixe */
body {
    padding-top: 90px;
}

@media (max-width: 990px) {
    body {
        padding-top: 80px;
    }
    
    .nav__menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 0;
        box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        gap: 0;
        z-index: 1000;
        overflow-y: auto;
        display: none !important;
        border-top: 1px solid rgba(0,123,255,0.1);
    }
    
    .nav__menu.active {
        display: flex !important;
        transform: translateX(0);
    }
    
    .nav__hamburger {
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 60px;
        height: 60px;
        background: transparent;
        border: 1px solid #000000;
        cursor: pointer;
        z-index: 1001;
        position: relative;
        left: 0;
        top: 0;
        margin-left: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        padding: 10px;
    }
    
    .nav__hamburger span {
        display: block;
        width: 30px;
        height: 3px;
        background: #000000;
        margin: 3px 0;
        transition: all 0.3s ease;
        border-radius: 2px;
    }
    
    .nav__hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav__hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav__hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
}