header {
    width: 100%;
    /* max-width: calc(1440px + var(--main-padding-right) + var(--main-padding-left)); */
    grid-area: header;
    box-sizing: border-box;
    box-shadow: 0px 4px 14px 0px #1F588A29;
    z-index: 3;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
}

.header-content {
    padding: 15px var(--main-padding-right) 15px var(--main-padding-right);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #ffffff;
    z-index: 1;
    justify-content: space-between;
    width: 100%;
}

.logo img {
    width: 130px;
}

nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

nav>div {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: var(--button-text);
}

nav a {
    color: var(--color-blue);
}

.contact_btn {
    color: var(--color-font-white);
    margin-left: 8px;
    color: var(--color-font-white);
    padding: 10px 24px;
    background-color: var(--color-blue);
}

.menu-toggle {
    display: inline-block;
    cursor: pointer;
}

/* Checkbox verstecken */
.menu-toggle input {
    display: none;
}

/* Die 3 Linien */
.hamburger {
    width: 40px;
    height: 30px;
    position: relative;
}

.hamburger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
    background: #333;
    border-radius: 2px;
    transition: 0.3s ease;
}

/* Positionen der Linien */
.hamburger span:nth-child(1) {
    top: 0;
}

.hamburger span:nth-child(2) {
    top: 13px;
}

.hamburger span:nth-child(3) {
    bottom: 0;
}

/* Animation zu X */
.menu-toggle input:checked+.hamburger span:nth-child(1) {
    transform: rotate(45deg);
    top: 13px;
}

.menu-toggle input:checked+.hamburger span:nth-child(2) {
    opacity: 0;
}

.menu-toggle input:checked+.hamburger span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 13px;
}