/**
 * Tombol navigasi materi — lingkaran 3D oranye, ukuran kaku.
 */
.goes-nav-buttons {
    margin: 0;
    padding: 0;
    clear: both;
}

.goes-nav-buttons .goes-nav-buttons__inner {
    display: grid;
    grid-template-columns: repeat(2, var(--btn-size, 112px));
    gap: 0.7rem 0.75rem;
    justify-content: start;
    align-content: start;
}

.goes-nav-buttons .goes-nav-btn,
.goes-nav-buttons .goes-nav-btn--oval,
.goes-columns__aside .goes-nav-buttons .goes-nav-btn {
    --btn-size: 112px;
    position: relative;
    display: grid;
    place-items: center;
    box-sizing: border-box;
    width: var(--btn-size) !important;
    height: var(--btn-size) !important;
    min-width: var(--btn-size) !important;
    min-height: var(--btn-size) !important;
    max-width: var(--btn-size) !important;
    max-height: var(--btn-size) !important;
    aspect-ratio: 1 / 1 !important;
    margin: 0 !important;
    padding: 0 !important;
    flex: none !important;
    align-self: center;
    overflow: hidden;
    border-radius: 50% !important;
    border: 8px solid #2a382e;
    text-decoration: none;
    cursor: pointer;
    color: #fff;
    background: #2a382e;
    box-shadow:
        0 4px 10px rgba(0, 0, 0, 0.28),
        inset 1px 1px 2px rgba(255, 255, 255, 0.14),
        inset -2px -2px 3px rgba(0, 0, 0, 0.35);
    transition: transform 0.15s ease, filter 0.15s ease;
}

.goes-nav-buttons .goes-nav-btn__label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    border-radius: 50%;
    padding: 0.4rem 0.45rem;
    text-align: center;
    color: #fff;
    font-family: 'Montserrat', system-ui, sans-serif;
    font-size: 0.62rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: 0;
    white-space: normal;
    overflow: hidden;
    background:
        radial-gradient(circle at 35% 30%, #ff7a4a 0%, #e24b2b 58%, #c43318 100%);
    box-shadow:
        inset 0 2px 3px rgba(255, 255, 255, 0.28),
        inset 0 -4px 6px rgba(120, 18, 8, 0.22);
}

.goes-nav-buttons .goes-nav-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
}

.goes-nav-buttons .goes-nav-btn:focus-visible {
    outline: 2px solid #f4d27a;
    outline-offset: 3px;
}

.goes-nav-buttons .goes-nav-btn--primary .goes-nav-btn__label,
.goes-nav-buttons .goes-nav-btn.is-current .goes-nav-btn__label {
    background:
        radial-gradient(circle at 35% 30%, #ff8a3d 0%, #f05a22 58%, #d44512 100%);
}

.goes-columns__aside .goes-nav-buttons .goes-nav-buttons__inner {
    margin: 0;
}

@media (max-width: 640px) {
    .goes-nav-buttons .goes-nav-buttons__inner {
        grid-template-columns: repeat(2, var(--btn-size, 96px));
        gap: 0.6rem;
        justify-content: center;
    }

    .goes-nav-buttons .goes-nav-btn,
    .goes-nav-buttons .goes-nav-btn--oval,
    .goes-columns__aside .goes-nav-buttons .goes-nav-btn {
        --btn-size: 96px;
        border-width: 7px;
    }

    .goes-nav-buttons .goes-nav-btn__label {
        font-size: 0.55rem;
        padding: 0.3rem 0.35rem;
    }
}