:root {
            --primary-color: #1e40af;
            --primary-dark: #1e3a8a;
            --secondary-color: #f8fafc;
            --accent-color: #059669;
            --text-primary: #1f2937;
            --text-secondary: #6b7280;
            --border-color: #e5e7eb;
            --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
            --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
            --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        /* Popup Styles */
        .popup {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 99999;
            opacity: 1;
            transition: opacity 0.5s ease;
            backdrop-filter: blur(5px);
        }

        .popup-content {
            position: relative;
            max-width: 90%;
            max-height: 90%;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            animation: popupSlideIn 0.5s ease-out;
        }

        .popup img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 20px;
        }

        .close-btn {
            position: absolute;
            top: 15px;
            right: 15px;
            width: 45px;
            height: 45px;
            font-size: 24px;
            font-weight: bold;
            color: white;
            background: rgba(0, 0, 0, 0.7);
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .close-btn:hover {
            background: rgba(239, 68, 68, 0.9);
            transform: scale(1.1);
        }

        @keyframes popupSlideIn {
            from {
                opacity: 0;
                transform: scale(0.8) translateY(-50px);
            }
            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Enhanced Header */
        .header {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            padding: 25px 0;
            box-shadow: var(--shadow-md);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

        .header h1 {
            text-align: center;
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
        }

        .header .subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 1.2rem;
            margin-top: 10px;
            font-weight: 500;
        }

        /* Navigation */
        .nav-links {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 20px;
        }

        .nav-links a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 50px;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.8);
            box-shadow: var(--shadow-sm);
        }

        .nav-links a:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* Main Content */
        .main-content {
            padding: 60px 0;
        }

        .section {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            margin-bottom: 40px;
            padding: 50px;
            border-radius: 24px;
            box-shadow: var(--shadow-xl);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .section h2 {
            color: var(--primary-color);
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 30px;
            position: relative;
            padding-bottom: 15px;
            letter-spacing: -0.5px;
        }

        .section h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            border-radius: 2px;
        }

        .section p {
            color: var(--text-secondary);
            font-size: 1.15rem;
            margin-bottom: 20px;
            line-height: 1.8;
            font-weight: 400;
        }

        .section ul {
            list-style: none;
            padding-left: 0;
        }

        .section ul li {
            position: relative;
            padding-left: 35px;
            margin-bottom: 15px;
            color: var(--text-secondary);
            font-size: 1.1rem;
            line-height: 1.7;
        }

        .section ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-color);
            font-weight: bold;
            font-size: 1.3rem;
        }

        /* Skills Section */
        .skills-title {
            text-align: center;
            font-size: 3rem;
            font-weight: 800;
            color: white;
            margin: 80px 0 50px;
            text-shadow: 0 4px 8px rgba(0,0,0,0.3);
            letter-spacing: -1px;
        }

        .skills-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 35px;
            margin-bottom: 80px;
        }

        .skill {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            padding: 40px;
            border-radius: 24px;
            box-shadow: var(--shadow-xl);
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .skill:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }

        .skill img {
            width: 80px;
            height: 80px;
            margin-bottom: 25px;
            border-radius: 16px;
            box-shadow: var(--shadow-md);
        }

        .skill h3 {
            color: var(--primary-color);
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 15px;
            letter-spacing: 0.3px;
        }

        .skill p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* Jobs Section */
        .jobs-title {
            text-align: center;
            font-size: 3rem;
            font-weight: 800;
            color: white;
            margin: 80px 0 50px;
            text-shadow: 0 4px 8px rgba(0,0,0,0.3);
            letter-spacing: -1px;
        }

        .jobs-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-bottom: 80px;
        }

        .job {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            padding: 35px 25px;
            border-radius: 20px;
            box-shadow: var(--shadow-xl);
            text-align: center;
            font-weight: 600;
            font-size: 1.15rem;
            transition: all 0.3s ease;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .job:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 25px 50px -12px rgba(30, 64, 175, 0.4);
        }

        /* Contact Form */
        .contact-section {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            padding: 60px;
            border-radius: 28px;
            box-shadow: var(--shadow-xl);
            margin: 50px 0;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-section h2 {
            text-align: center;
            color: var(--primary-color);
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 40px;
            letter-spacing: -0.5px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }

        .form-group {
            margin-bottom: 30px;
        }

        .form-group label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 16px 20px;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: white;
            font-family: inherit;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
            transform: translateY(-1px);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 140px;
        }

        .submit-btn {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            padding: 18px 50px;
            border: none;
            border-radius: 12px;
            font-size: 1.2rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            margin-top: 30px;
            letter-spacing: 0.5px;
        }

        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }

        .submit-btn:active {
            transform: translateY(-1px);
        }

        /* Alert Messages */
        .alert {
            padding: 20px 25px;
            border-radius: 12px;
            margin-bottom: 25px;
            font-weight: 600;
            font-size: 1rem;
        }

        .alert-success {
            background: #d1fae5;
            color: #065f46;
            border: 2px solid #a7f3d0;
        }

        .alert-error {
            background: #fee2e2;
            color: #991b1b;
            border: 2px solid #fecaca;
        }

        /* Footer */
        .footer {
            background: rgba(17, 24, 39, 0.98);
            backdrop-filter: blur(20px);
            color: white;
            text-align: center;
            padding: 40px 0;
            margin-top: 80px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer p {
            font-size: 1rem;
            font-weight: 500;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            
            .header h1 {
                font-size: 2.2rem;
            }
            
            .section {
                padding: 30px;
            }
            
            .contact-section {
                padding: 40px 30px;
            }
            
            .skills-title,
            .jobs-title {
                font-size: 2.2rem;
            }

            .nav-links {
                flex-direction: column;
                align-items: center;
                gap: 15px;
            }

            .skills-section {
                grid-template-columns: 1fr;
            }
        }