/* Challenges We Are Solving Section */
.challenges-section {
    background: linear-gradient(135deg, #f8f9fa 0%, white 100%);
    padding: 100px 0;
}

.challenge-card {
    background: white;
    border-radius: 25px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    height: 100%;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #2ab737, #3dd04f);
    z-index: 1;
}

.challenge-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 50px rgba(42, 183, 55, 0.25);
    border-color: #2ab737;
}

.challenge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2ab737;
    font-size: 3rem;
    margin: 0 auto 2rem;
    transition: all 0.4s ease;
    position: relative;
}

.challenge-card:hover .challenge-icon {
    transform: scale(1.1);
    color: #1e8b2a;
}

.challenge-card h4 {
    color: #1e8b2a;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.challenge-card p {
    color: #6c757d;
    line-height: 1.8;
    font-size: 1rem;
    margin: 0;
}