.grid-4col {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (max-width: 1200px) {
    .grid-4col { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 992px) {
    .grid-4col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 576px) {
    .grid-4col { grid-template-columns: 1fr; }
}

.grid-card-bordered {
    border: 1px solid #fff;
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    background: transparent;
}

.grid-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.grid-3col {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (max-width: 1200px) {
    .grid-3col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 952px) {
    .grid-3col { grid-template-columns: 1fr; }
}

.grid-card {
    border: 0px solid #fff;
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    background: transparent;
}