/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background-color: var(--color-white);
    z-index: 1000;
    transition: all 0.4s ease;
}

/* Menu Toggle Button */
.menu-toggle {
    display: none;
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    z-index: 1001;
}

.burger-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    position: relative;
    transition: all 0.3s ease;
}

.burger-icon::before,
.burger-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    transition: all 0.3s ease;
}

.burger-icon::before {
    top: -8px;
}

.burger-icon::after {
    bottom: -8px;
}

.menu-toggle.active .burger-icon {
    background-color: transparent;
}

.menu-toggle.active .burger-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-toggle.active .burger-icon::after {
    bottom: 0;
    transform: rotate(-45deg);
}

.main-nav {
    max-width: var(--container-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-top: 30px;
}

.logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: all 0.4s ease;
    height: 100%;
    display: flex;
    align-items: center;
}

.logo img {
    height: 60px;
    width: auto;
    transition: all 0.4s ease;
    max-height: 60%;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-links a:not(.contact-button):hover {
    color: var(--color-beige);
}

.contact-button {
    background-color: var(--color-beige-light);
    color: var(--color-white) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.contact-button:hover {
    background-color: var(--color-beige);
    transform: translateY(-2px);
}

/* État scrollé */
.site-header.scrolled {
    height: 80px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.site-header.scrolled .main-nav {
    padding-top: 20px;
}

.site-header.scrolled .logo {
    left: 2rem;
    transform: translateX(0);
}

.site-header.scrolled .logo img {
    height: 45px;
}

.site-header.scrolled .nav-links {
    opacity: 1;
    visibility: visible;
}

/* Responsive */
@media (max-width: 992px) {
    .site-header {
        height: 90px;
    }

    .main-nav {
        padding: 0;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: fixed;
        top: 90px;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }
    
    .logo {
        position: absolute;
        left: 1.5rem;
        transform: none;
        display: flex;
        align-items: center;
        height: 100%;
    }

    .logo img {
        height: 50px;
    }

    .site-header.scrolled {
        height: 70px;
    }

    .site-header.scrolled .nav-links {
        top: 70px;
    }

    .contact-button {
        margin-top: 0.5rem;
    }

    .language-selector {
        margin-top: 0.5rem;
    }
}

@media (max-width: 768px) {
    .site-header {
        height: 70px;
    }

    .main-nav {
        padding: 0;
    }

    .menu-toggle {
        right: 1rem;
    }

    .logo {
        left: 1rem;
    }

    .logo img {
        height: 40px;
        max-height: 50%;
    }

    .nav-links {
        top: 70px;
        padding: 0.75rem;
    }
    
    .logo img {
        height: 40px;
    }

    .site-header.scrolled {
        height: 60px;
    }

    .site-header.scrolled .nav-links {
        top: 60px;
    }

    .nav-links a {
        font-size: 1rem;
    }

    .contact-button {
        padding: 0.4rem 1.25rem;
    }
}