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

        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #64748b;
            --dark: #0f172a;
            --light: #f8fafc;
            --card-bg: #ffffff;
            --border: #e2e8f0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
        }

        
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            padding: 1rem 0;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.5px;
        }

        .nav-links {
            display: flex;
            gap: 2.5rem;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
        }

        .mobile-menu span {
            width: 24px;
            height: 2px;
            background: var(--dark);
            transition: 0.3s;
        }

        
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 6rem 2rem 4rem;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
        }

        .hero-content {
            text-align: center;
            max-width: 600px;
        }

        .profile-img {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            object-fit: cover;
            border: 4px solid white;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
            transition: transform 0.3s;
        }

        .profile-img:hover {
            transform: scale(1.05);
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            letter-spacing: -1px;
        }

        .hero .title {
            font-size: 1.25rem;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 1.5rem;
        }

        .hero .tagline {
            color: var(--secondary);
            font-size: 1.1rem;
            max-width: 500px;
            margin: 0 auto 2rem;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 0.875rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.3);
        }

        .btn-secondary {
            background: white;
            color: var(--dark);
            border: 2px solid var(--border);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        
        section {
            padding: 5rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--secondary);
            margin-bottom: 3rem;
            font-size: 1.1rem;
        }

        
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: start;
        }

        .about-text {
            color: var(--secondary);
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .info-grid {
            display: grid;
            gap: 1rem;
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem;
            background: white;
            border-radius: 12px;
            border: 1px solid var(--border);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .info-item:hover {
            transform: translateX(5px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }

        .info-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: white;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .info-text {
            display: flex;
            flex-direction: column;
        }

        .info-label {
            font-size: 0.85rem;
            color: var(--secondary);
            font-weight: 500;
        }

        .info-value {
            font-weight: 600;
            color: var(--dark);
        }

        
        .skills {
            background: white;
        }

        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .skill-card {
            background: var(--light);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2rem;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .skill-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary);
            transform: scaleX(0);
            transition: transform 0.3s;
        }

        .skill-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border-color: var(--primary);
        }

        .skill-card:hover::before {
            transform: scaleX(1);
        }

        .skill-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .skill-icon {
            width: 50px;
            height: 50px;
            background: white;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }

        .skill-title {
            font-weight: 600;
            font-size: 1.1rem;
        }

        .skill-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .skill-tag {
            background: white;
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--secondary);
            border: 1px solid var(--border);
            font-weight: 500;
        }

        
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .project-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.3s;
            position: relative;
        }

        .project-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px -12px rgba(0,0,0,0.1);
        }

        .project-image {
            height: 200px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .project-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.4) 100%);
        }

        .project-content {
            padding: 1.5rem;
        }

        .project-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .project-desc {
            color: var(--secondary);
            font-size: 0.95rem;
            margin-bottom: 1rem;
            line-height: 1.6;
        }

        .project-tech {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }

        .tech-tag {
            background: #eff6ff;
            color: var(--primary);
            padding: 0.25rem 0.75rem;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .project-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: gap 0.3s;
        }

        .project-link:hover {
            gap: 0.75rem;
        }

       
        .contact {
            background: linear-gradient(135deg, var(--dark) 0%, #1e293b 100%);
            color: white;
            border-radius: 30px;
            margin: 2rem auto;
            max-width: 1000px;
        }

        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .contact-info h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .contact-info p {
            color: #94a3b8;
            margin-bottom: 2rem;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: #e2e8f0;
        }

        .contact-icon {
            width: 45px;
            height: 45px;
            background: rgba(255,255,255,0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .contact-form {
            background: rgba(255,255,255,0.05);
            padding: 2rem;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            color: #94a3b8;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.875rem;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 10px;
            color: white;
            font-family: inherit;
            font-size: 1rem;
            transition: all 0.3s;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            background: rgba(255,255,255,0.15);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
            resize: none;
        }

        .submit-btn {
            width: 100%;
            padding: 1rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
        }

        .submit-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        
        footer {
            background: var(--dark);
            color: white;
            padding: 2rem 2rem;
            text-align: center;
        }

        .footer-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .social-link {
            width: 50px;
            height: 50px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            font-size: 1.25rem;
            transition: all 0.3s;
            border: 1px solid rgba(255,255,255,0.2);
        }

        .social-link:hover {
            background: var(--primary);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .footer-text {
            color: #64748b;
            font-size: 0.9rem;
        }

        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate {
            animation: fadeInUp 0.6s ease-out forwards;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu {
                display: flex;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .about-content,
            .contact-container {
                grid-template-columns: 1fr;
            }

            .projects-grid {
                grid-template-columns: 1fr;
            }

            .contact {
                margin: 1rem;
                border-radius: 20px;
            }
        }

        .nav-links.active {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
                left: 0;
            width: 100%;
            background: white;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            gap: 1.5rem;
        }