.site-header {
    position: sticky;
    top: 0px;
    left: 0px;
    z-index: 10;
    background-color: var(--background);
    border-bottom: 1px solid var(--primary-color);
}

.navbar {
    padding: 0.85rem 0;
}

.navbar .container {
    max-width: 1400px;
    padding-left: 1rem;
    padding-right: 1rem;
}

.navbar-brand {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 2.25rem;
    text-decoration: none;
    display: flex;
    flex-direction: row;
    transition: font-size 50ms ease-in-out;
    flex: 0 1 auto;
    margin-right: 1rem;
}

.navbar-brand:hover {
    color: var(--accent-color);
}

.navbar-nav {
    flex: 1;
    justify-content: flex-end;
    flex-wrap: wrap;
    row-gap: 0.35rem;
}

.btn-nav {
    padding: 0.35rem 0.65rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1rem;
    color: var(--text-color);
    border: 1px solid transparent;
    transition:
        background-color 0.2s ease,
        border-color 0.2s ease;
    text-wrap: nowrap;
    white-space: nowrap;
    /* Prevent text wrapping */
}

.btn-nav:hover,
.btn-nav.selected {
    color: var(--background);
    background-color: var(--primary-color);
}

.dropdown-menu {
    border-radius: 8px;
    background-color: var(--background);
    border: 1px solid var(--primary-color);
    padding: 0.3rem 0;
    min-width: 10rem;
}

.dropdown-item {
    color: var(--text-color);
    padding: 0.4rem 1rem;
    transition: background-color 0.2s ease;
}

.dropdown-item:hover {
    color: var(--background);
    background-color: var(--primary-color);
}

/* Responsive adjustments */
@media (min-width: 1024px) {
    .navbar-expand-tablet {
        flex-wrap: nowrap;
        justify-content: flex-start;
    }

    .navbar-expand-tablet .navbar-nav {
        flex-direction: row;
    }

    .navbar-expand-tablet .navbar-nav .dropdown-menu {
        position: absolute;
    }

    .navbar-expand-tablet .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
    }

    .navbar-expand-tablet .navbar-toggler {
        display: none;
    }
}

@media (max-width: 1023px) {
    .navbar-brand {
        font-size: 1.66rem;
    }

    .navbar-collapse {
        padding-top: 0.75rem;
    }

    .navbar-nav {
        align-items: flex-start;
    }

    .btn-nav {
        padding-left: 0;
        padding-right: 0;
    }
}