/* assets/css/header.css */
/* Header und Navigation Styles */

.site-header {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-info {
    display: flex;
    gap: var(--spacing-lg);
}

.header-main {
    padding: var(--spacing-lg) 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.site-logo:hover {
    color: var(--primary-dark);
}

.site-logo .logo-svg {
    height: 45px;
    width: auto;
}

@media (max-width: 768px) {
    .site-logo .logo-svg {
        height: 35px;
    }
}

/* Navigation */
.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.main-nav a:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

.main-nav a.active {
    background-color: var(--primary-color);
    color: white;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 5px 0;
    transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-primary);
        box-shadow: var(--shadow-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }
    
    .main-nav.active {
        max-height: 500px;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
    }
    
    .main-nav a {
        display: block;
        padding: var(--spacing-md);
        border-radius: 0;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .header-top {
        display: none;
    }
}

/* Sticky Header Animation */
.site-header.scrolled {
    box-shadow: var(--shadow-lg);
}

.site-header.scrolled .header-main {
    padding: var(--spacing-md) 0;
}