:root {
            --primary: #2563eb;
            --secondary: #0f172a;
            --accent: #7c3aed;
            --light: #f8fafc;
            --gray: #64748b;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--secondary);
            background-color: var(--light);
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--primary);
            color: white;
            border-radius: 50px;
            font-weight: 500;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(124, 58, 237, 0.2);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
        }
        
        /* Page Header */
        .page-header {
            padding: 170px 0 60px;
            background: linear-gradient(135deg, #f0f4ff 0%, #e6e6ff 100%);
            text-align: center;
        }
        
        .page-header h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .page-header h1::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            border-radius: 2px;
        }
        
        .page-header p {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Portfolio Section */
        .portfolio {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            border-radius: 2px;
        }
        
        .section-title p {
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Portfolio Filter */
        .portfolio-filter {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }
        
        .filter-btn {
            padding: 10px 25px;
            background: white;
            border-radius: 50px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        
        .filter-btn.active {
            background: var(--primary);
            color: white;
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.2);
        }
        
        .filter-btn:not(.active):hover {
            border-color: var(--primary);
        }
        
        /* Portfolio Grid */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .portfolio-item {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            position: relative;
        }
        
        .portfolio-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }
        
        .portfolio-img {
            height: 250px;
            overflow: hidden;
            position: relative;
        }
        
        .portfolio-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .portfolio-item:hover .portfolio-img img {
            transform: scale(1.1);
        }
        
        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, rgba(37, 99, 235, 0.8), rgba(124, 58, 237, 0.8));
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: var(--transition);
        }
        
        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }
        
        .portfolio-actions {
            display: flex;
            gap: 15px;
        }
        
        .portfolio-action {
            width: 45px;
            height: 45px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            transition: var(--transition);
        }
        
        .portfolio-action:hover {
            background: var(--secondary);
            color: white;
            transform: translateY(-3px);
        }
        
        .portfolio-content {
            padding: 25px;
        }
        
        .portfolio-content h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }
        
        .portfolio-content p {
            color: var(--gray);
            margin-bottom: 15px;
        }
        
        .portfolio-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }
        
        .portfolio-tag {
            padding: 5px 15px;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.9rem;
        }
        
        /* Stats Section */
        .stats {
            padding: 80px 0;
            background: linear-gradient(135deg, #f0f4ff 0%, #e6e6ff 100%);
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .stat-card {
            background: white;
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        
        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }
        
        .stat-icon {
            width: 70px;
            height: 70px;
            background: rgba(37, 99, 235, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary);
            font-size: 28px;
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .stat-text {
            color: var(--gray);
            font-weight: 500;
        }
        
        /* Testimonials */
        .testimonials {
            padding: 80px 0;
        }
        
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .testimonial-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            position: relative;
        }
        
        .testimonial-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }
        
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 20px;
            right: 30px;
            font-size: 5rem;
            color: rgba(37, 99, 235, 0.1);
            font-family: serif;
            line-height: 1;
        }
        
        .testimonial-content {
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 15px;
        }
        
        .author-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .author-info h4 {
            font-size: 1.2rem;
            margin-bottom: 5px;
        }
        
        .author-info p {
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        /* CTA Section */
        .cta {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            text-align: center;
        }
        
        .cta h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .cta p {
            max-width: 700px;
            margin: 0 auto 30px;
            font-size: 1.2rem;
            opacity: 0.9;
        }
        
        .cta .btn {
            background: white;
            color: var(--primary);
            font-weight: 600;
        }
        
        .cta .btn:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            .portfolio-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 2.5rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .portfolio-filter {
                flex-direction: column;
                align-items: center;
            }
            
            .portfolio-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 480px) {
            .page-header h1 {
                font-size: 2rem;
            }
            
            .btn {
                padding: 10px 20px;
            }
            
            .portfolio-content {
                padding: 20px;
            }
            
            .testimonial-card {
                padding: 20px;
            }
        }