.zwirner-services {
    padding: 80px 0;
    background: #fff;
}

.zwirner-services__heading {
    text-align: center;
    margin: 0 0 15px;
    font-size: 2.5rem;
}

.zwirner-services__copy {
    text-align: center;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    color: #666;
}

.zwirner-services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.zwirner-services__item {
    text-align: center;
    padding: 40px 25px;
    border-right: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}

.zwirner-services__item:nth-child(4n) {
    border-right: none;
}

/* Remove bottom border on last row */
.zwirner-services__item:nth-last-child(-n+4) {
    border-bottom: none;
}

/* When fewer than 4 items in last row, still remove bottom border */
.zwirner-services__item:nth-last-child(1),
.zwirner-services__item:nth-last-child(2),
.zwirner-services__item:nth-last-child(3) {
    border-bottom: none;
}

.zwirner-services__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 12px;
    color: #000;
}

.zwirner-services__description {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.6;
    margin: 0 0 20px;
}

.zwirner-services__btn {
    display: inline-block;
    background: #ddd;
    color: #000;
    text-decoration: none;
    padding: 10px 28px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.3s ease;
}

.zwirner-services__btn:hover {
    background: #ccc;
}

@media (max-width: 991px) {
    .zwirner-services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zwirner-services__item:nth-child(4n) {
        border-right: 1px solid #ddd;
    }

    .zwirner-services__item:nth-child(2n) {
        border-right: none;
    }

    .zwirner-services__item:nth-last-child(-n+4) {
        border-bottom: 1px solid #ddd;
    }

    .zwirner-services__item:nth-last-child(-n+2) {
        border-bottom: none;
    }
}

@media (max-width: 767px) {
    .zwirner-services {
        padding: 50px 0;
    }

    .zwirner-services__heading {
        font-size: 2rem;
    }

    .zwirner-services__grid {
        grid-template-columns: 1fr;
    }

    .zwirner-services__item {
        border-right: none;
    }

    .zwirner-services__item:nth-child(4n),
    .zwirner-services__item:nth-child(2n) {
        border-right: none;
    }

    .zwirner-services__item:nth-last-child(-n+4) {
        border-bottom: 1px solid #ddd;
    }

    .zwirner-services__item:last-child {
        border-bottom: none;
    }
}