.problem-section {
    padding: 5rem 5%;
    text-align: center;
}

.problem-section .subtitle {
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    max-width: 1100px;
    margin: 2.5rem auto 0;
    text-align: left;
}