.site-header {
    background: var(--ct-color-brand-100);
    box-shadow: var(--ct-shadow-header);
    position: relative;
    z-index: 20;
}

.site-header__shell {
    margin: 0 auto;
    max-width: var(--max-content-width);
    padding: 0.375rem var(--ct-side-padding-mobile);
    .account-dashboard-body & {
        max-width: var(--max-content-width-admin);
    }
}

.site-header__desktop,
.site-header__desktop-cluster,
.site-header__desktop-actions,
.site-header__mobile,
.site-header__mobile-actions {
    align-items: center;
    display: flex;
}

.site-header__desktop,
.site-header__mobile {
    justify-content: space-between;
}

.site-header__desktop {
    display: none;
}

.site-header__mobile {
    display: flex;
    gap: 0.75rem;
}

.site-header__mobile-actions {
    align-items: stretch;
    gap: 0.25rem;
}

.site-header__mobile-actions > a,
.site-header__mobile-actions > div {
    display: flex;
}


.site-header__brand-link {
    display: inline-flex;
    flex-shrink: 0;
}

.site-header__brand-mark {
    display: block;
    padding-bottom: 0.5rem;
    width: 5rem;
}

.site-header__nav .menu {
    align-items: center;
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-header__nav a {
    border-radius: var(--ct-radius-xs);
    display: inline-flex;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.6;
    padding: 0.25rem 0;
    text-decoration: none;
}

.site-header__nav a:focus-visible {
    outline: 2px solid var(--ct-color-brand-600);
    outline-offset: 0.25rem;
    text-decoration-color: var(--ct-color-accent-500);
    text-decoration-line: underline;
    text-decoration-thickness: 3px;
    text-underline-offset: 0.25rem;
}

.site-button {
    align-items: center;
    border: 1px solid transparent;
    border-radius: var(--ct-radius-xs);
    color: var(--ct-color-pencil);
    cursor: pointer;
    display: inline-flex;
    font-size: 1.125rem;
    font-weight: 500;
    gap: 0.625rem;
    justify-content: center;
    line-height: 1.6;
    min-height: 2.5rem;
    padding: 0.625rem 1.25rem;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    white-space: nowrap;
}

.site-button:hover {
    box-shadow: none;
}

.site-button--secondary {
    background: var(--ct-color-brand-200);
}

.site-button--secondary:hover,
.site-button--secondary:focus-visible,
.site-button--secondary:active,
.site-popover.is-open > .site-button--secondary {
    background: var(--ct-color-brand-200);
    border-color: var(--ct-color-brand-600);
}

.site-button--primary {
    background: var(--ct-color-accent-400);
    border-color: var(--ct-color-accent-500);
}

.site-button--primary:hover,
.site-button--primary:focus-visible,
.site-button--primary:active {
    background: var(--ct-color-accent-400);
    border-color: var(--ct-color-brand-600);
}

.site-button--icon {
    min-width: 3.5rem;
    padding-inline: 1rem;
}

.site-button--icon img {
    display: block;
    height: 18px;
    width: 18px;
}

.site-button--icon .material-icons {
    display: block;
    font-size: 1.125rem;
    line-height: 1;
}

.site-button--dropdown {
    justify-content: space-between;
    min-width: 13.25rem;
}

.site-button .material-icons {
    font-size: 1.5rem;
    line-height: 1;
}

.site-button__divider {
    align-self: stretch;
    background: rgba(23, 62, 103, 0.2);
    display: block;
    width: 1px;
}

.site-header__book-label--mobile {
    display: none;
}

.site-popover {
    position: relative;
}

.site-popover.is-open .site-button .material-icons {
    transform: rotate(180deg);
}

.site-popover__panel {
    background: var(--ct-color-surface);
    border: 1px solid var(--ct-color-border-soft);
    border-radius: var(--ct-radius-md);
    box-shadow: var(--ct-shadow-popover);
    min-width: 15rem;
    padding: 0.75rem;
    position: absolute;
    right: -5.25rem;
    top: calc(100% + 0.75rem);
    width: min(20rem, calc(100vw - 2rem));
}

.site-popover__panel[hidden] {
    display: none;
}

.site-popover__panel--contact {
    background: var(--ct-color-brand-50);
    border: 2px solid var(--ct-color-brand-600);
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(47, 125, 208, 0.2);
    padding: 2.5rem 2.375rem;
    width: 14.5rem;
}

.site-header__mobile-contact .site-popover__panel--contact {
    left: 0;
    right: auto;
    top: calc(100% + 0.5rem);
}

.site-header__contact-menu {
    display: grid;
    gap: 2rem;
}

.site-header__contact-section {
    display: grid;
    gap: 0.5rem;
}

.site-header__contact-title {
    color: var(--ct-color-pencil);
    font-size: var(--ct-text-h4);
    font-weight: 600;
    line-height: 1.35;
}

.site-header__contact-link {
    color: var(--ct-color-pencil);
    display: inline-flex;
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.6;
    text-decoration-color: var(--ct-color-accent-500);
    text-decoration-line: underline;
    text-decoration-thickness: 3px;
    text-underline-offset: 4px;
    width: fit-content;
}

.site-header__contact-channels {
    display: flex;
    gap: 1rem;
    padding-top: 0.5rem;
}

.site-header__contact-channel {
    align-items: center;
    display: inline-flex;
    justify-content: center;
}

.site-header__contact-channel img {
    display: block;
    height: auto;
    width: 40px;
}

.site-header__mobile-menu .site-popover__panel {
    background: var(--ct-color-brand-50);
    border: 0;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(23, 62, 103, 0.08);
    min-width: 0;
    padding: 2.5rem;
    top: calc(100% + 0.5rem);
    transform: none;
    width: 14.5rem;
}

.site-header__mobile-nav .menu {
    align-items: flex-start;
    display: grid;
    gap: 1rem;
    justify-items: flex-start;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-header__mobile-nav .menu-item {
    display: flex;
    padding: 0.25rem 0;
}

.site-header__mobile-nav a {
    color: var(--ct-color-pencil);
    display: inline-flex;
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.6;
    padding: 0;
    text-decoration-color: var(--ct-color-accent-500);
    text-decoration-line: underline;
    text-decoration-thickness: 3px;
    text-underline-offset: 4px;
}

@media (min-width: 60.0625rem) {
    .site-header__shell {
        padding: 1rem var(--ct-side-padding-desktop);
    }

    .site-header__desktop {
        display: flex;
        gap: 1.5rem;
    }

    .site-header__mobile {
        display: none;
    }

    .site-header__desktop-cluster {
        flex: 1 1 auto;
        gap: 2.4375rem;
        min-width: 0;
    }

    .site-header__desktop-actions {
        flex-shrink: 0;
        gap: 1.0625rem;
    }

    .site-header__brand-mark {
        width: 6rem;
    }

    .site-button {
        min-height: 3rem;
    }

    .site-header__book-label--desktop {
        display: inline;
    }

    .site-header__book-label--mobile {
        display: none;
    }

    .site-popover__panel {
        width: auto;
        right: -0.9375rem;
    }
}