.header-background {
    background-color: transparent;
    transition: all 0.7s ease-out;
}

.header-background.scrolled {
    background-color: oklch(0.14 0.01 0 / 0.95);
}

.contact-items {
    display: grid;
}

.mobile-menu {
    opacity: 0;
    overflow: hidden;
    height: 0;
    transition: all 0.35s ease-out;
}

.mobile-menu.show {
    padding: calc(var(--spacing) * 6);
    height: auto;
    overflow: visible;
    opacity: 1;
}

@media screen and (min-width: 540px) {
    .contact-items {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (min-width: 768px) {
    .contact-items {
        display: flex;
        flex-direction: column;
    }
}