:root {
            --primary: #4361ee;
            --primary-light: #4895ef;
            --secondary: #3f37c9;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #4cc9f0;
            --card-bg: #ffffff;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: var(--dark);
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        
        header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(0,0,0,0.1);
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
            color: var(--primary);
        }
        
        .subtitle {
            font-size: 1.1rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        
        .project-card {
            background: var(--card-bg);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .project-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .card-image {
            height: 180px;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 3rem;
        }
        
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        
        .card-content {
            padding: 1.5rem;
        }
        
        .card-content h3 {
            margin-bottom: 0.5rem;
            color: var(--secondary);
        }
        
        .card-content p {
            color: var(--gray);
            margin-bottom: 1rem;
            font-size: 0.9rem;
        }
        
        .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 1.5rem 1.5rem;
        }
        
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .tag {
            background: #e9ecef;
            color: var(--gray);
            padding: 0.25rem 0.5rem;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
        }
        
        .btn {
            display: inline-block;
            padding: 0.5rem 1rem;
            background: var(--primary);
            color: white;
            text-decoration: none;
            border-radius: 5px;
            font-size: 0.9rem;
            transition: background 0.3s ease;
        }
        
        .btn:hover {
            background: var(--secondary);
        }
        
        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        footer {
            text-align: center;
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(0,0,0,0.1);
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        @media (max-width: 768px) {
            .projects-grid {
                grid-template-columns: 1fr;
            }
            
            h1 {
                font-size: 2rem;
            }
        }