.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin: 24px 10px;
}

.challenge-container {
    background: #181818;
    border: 1px solid #353535;
    border-radius: 14px;
    padding: 12px 18px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 5px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.challenge-container:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}
.challenge-container a:hover {
    text-decoration: underline;
}

.challenge-container .title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #e79741;
    margin-bottom: 6px;
}