/* Menu nút đỏ-vàng — shortcode [ptc-menu-nut] */

.ptc-nut-wrap {
    margin: 30px auto 40px;
    padding: 0 15px;
    max-width: 960px;
    text-align: center;
}

.ptc-nut-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: #8b0000;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 0 0 28px;
}

.ptc-nut-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 14px 18px;
}

.ptc-nut-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 148px;
    padding: 13px 22px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    text-decoration: none !important;
    text-align: center;
    color: #f0c040 !important;
    background: linear-gradient(180deg, #a31818 0%, #8b1212 45%, #6e0e0e 100%);
    border: 1px solid #5a0a0a;
    border-radius: 4px;
    box-shadow:
        0 3px 8px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    cursor: pointer;
}

.ptc-nut-btn:hover,
.ptc-nut-btn:focus {
    color: #ffe566 !important;
    background: linear-gradient(180deg, #b82020 0%, #9b1616 45%, #7a1010 100%);
    transform: translateY(-2px);
    box-shadow:
        0 6px 14px rgba(139, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.ptc-nut-btn:active {
    transform: translateY(0);
    box-shadow:
        0 2px 5px rgba(0, 0, 0, 0.25),
        inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

@media (max-width: 600px) {
    .ptc-nut-btn {
        min-width: calc(50% - 18px);
        flex: 1 1 calc(50% - 18px);
        max-width: calc(50% - 9px);
        font-size: 13px;
        padding: 12px 10px;
    }
}

@media (max-width: 380px) {
    .ptc-nut-btn {
        min-width: 100%;
        max-width: 100%;
        flex: 1 1 100%;
    }
}