/* DSA & Problem Solving Section */
        .dsa-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            width: 100%;
            max-width: 800px;
        }
        .dsa-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 1rem;
            padding: 2rem;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .dsa-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            border-color: var(--secondary-accent-color);
        }
        .dsa-card .logo {
            height: 60px;
            margin-bottom: 1.5rem;
        }
        .dsa-card h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            color: var(--text-color);
            margin-bottom: 0.5rem;
        }
        .dsa-card p {
            color: var(--text-secondary-color);
            margin-bottom: 1.5rem;
        }
        .dsa-card .stats {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary-accent-color);
            margin-bottom: 2rem;
        }
        .dsa-card .profile-btn {
            display: inline-block;
            background: var(--secondary-accent-color);
            color: white;
            padding: 0.7rem 1.5rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
        .dsa-card .profile-btn:hover {
            background-color: #9d7ff5;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(127, 90, 240, 0.3);
        }