.header{
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 24px;
    padding: 8px 30px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 600;
}

.logo{
    justify-self: start;
}

.logo img{
    width: 65px;
    height: auto;
    display: block;
}


.nav{
    justify-self: center;
}

.nav ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    list-style: none;
    gap: 34px;
}

.nav ul li a{
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 13px;
    text-decoration: none;
    color: var(--color-text);
    white-space: nowrap;
    display: inline-block;
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.nav ul li a:hover,
.nav ul li a:focus-visible{
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.nav ul li a[aria-current="page"]{
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}


.header-actions{
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 16px;
}


.contact-us{
    background-color: var(--color-primary);
    padding: 6px 14px;
    border-radius: var(--radius);
    transition: background-color 0.25s ease;
}

.contact-us:hover{
    background-color: var(--color-primary-dark);
}

.contact-us a{
    text-decoration: none;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
}

.contact-us a:hover{
    color: #fff;
}


.nav-contact,
.nav-header,
.menu-toggle{
    display: none;
}


.menu-backdrop{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 500;
}

.menu-backdrop.show{
    opacity: 1;
    visibility: visible;
}