/*
 * header.css - Header und Navigation Styles
 * CleanCityPlus Website
 */

header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    z-index: 1000;
    top: 0;
    left: 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

/* Logo-Bereich */
.logo {
    display: flex;
    align-items: center;
}

.brand-link {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-name {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.brand-plus {
    color: var(--secondary-color);
}

.brand-tm {
    font-size: 14px;
    font-weight: 400;
    vertical-align: super;
    color: var(--primary-color);
}

.brand-sub {
    font-size: 10px;
    font-weight: 500;
    color: var(--medium-gray);
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin-top: 3px;
}

/* Hauptnavigation */
.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-item {
    margin-left: 30px;
}

.nav-link {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 16px;
}

.nav-link:hover {
    color: var(--secondary-color);
}

.nav-link.cta {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
}

.nav-link.cta:hover {
    background-color: var(--secondary-dark);
}

/* Sprachumschaltung */
.nav-lang {
    display: flex;
    align-items: center;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid #ddd;
}

.lang-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--medium-gray);
    padding: 5px 8px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.lang-link:hover {
    color: var(--primary-color);
    background-color: var(--light-gray);
}

.lang-link.active {
    color: var(--white);
    background-color: var(--primary-color);
}

.lang-link.active:hover {
    background-color: var(--primary-dark);
    color: var(--white);
}

.lang-separator {
    color: #ddd;
    margin: 0 5px;
    font-weight: 300;
}

/* Mobile Navigation Toggle */
.mobile-toggle {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .logo {
        align-items: flex-start;
        width: 70%;
        order: 1;
    }

    .brand-name {
        font-size: 22px;
    }

    .brand-sub {
        font-size: 9px;
    }

    .mobile-toggle {
        display: block;
        order: 2;
        align-self: flex-start;
        margin-top: 10px;
    }

    .nav-menu {
        order: 3;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-lang {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-top: 15px;
        padding-top: 15px;
        border-top: 1px solid #ddd;
        width: 100%;
    }
}

@media (min-width: 769px) {
    .mobile-only {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-item {
        margin: 5px 0;
        padding: 5px 0;
        margin-left: 0;
    }

    .nav-link {
        display: block;
        padding: 5px 0;
        font-size: 16px;
    }

    .nav-link.cta {
        margin-top: 10px;
        padding: 8px 16px;
        text-align: center;
    }
}