.problem {
    background-color: #f5f9ff;
    /* Even lighter blue */
    background-image: radial-gradient(at 0% 0%, rgba(255, 255, 255, 0.8) 0, transparent 50%),
        radial-gradient(at 50% 0%, rgba(255, 255, 255, 0.8) 0, transparent 50%);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.problem-item {
    text-align: left;
    background: var(--surface);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.problem-card-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.problem-item i {
    font-size: 1.25rem;
    /* Reduced from 2.5rem */
    color: var(--primary);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary);
    border-radius: 50%;
    background-color: #f0f7ff;
    flex-shrink: 0;
}

.problem-item h3 {
    font-size: 1.15rem;
    /* Reduced from 1.5rem */
    margin-bottom: 0;
    color: var(--primary);
    letter-spacing: -0.02em;
    /* Tighter title */
    line-height: 1.2;
}

.problem-item p {
    color: var(--muted);
    font-size: 0.9rem;
    /* Smaller font */
    line-height: 1.4;
    /* Tighter line height */
    letter-spacing: -0.01em;
    /* Tighter words */
}