:root {
            --primary: #0f1419;
            --secondary: #1a202c;
            --accent: #3b82f6;
            --accent-light: #60a5fa;
            --accent-glow: rgba(59, 130, 246, 0.3);
            --text-primary: #ffffff;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --border: rgba(255,255,255,0.08);
            --card-bg: rgba(26, 32, 44, 0.7);
            --gradient-1: linear-gradient(135deg, #3b82f6 0%, #1e40af 50%, #0c4a6e 100%);
            --gradient-2: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
            --success: #10b981;
            --warning: #f59e0b;
        }

        /* Light Mode */
        body.light-mode {
            --primary: #fafbfc;
            --secondary: #f0f4f8;
            --accent: #0052cc;
            --accent-light: #0066ff;
            --accent-glow: rgba(0, 82, 204, 0.15);
            --text-primary: #0d1117;
            --text-secondary: #424a55;
            --text-muted: #656d76;
            --border: rgba(0,0,0,0.1);
            --card-bg: rgba(255, 255, 255, 0.95);
            --gradient-1: linear-gradient(135deg, #0052cc 0%, #003d99 50%, #002966 100%);
            --gradient-2: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: var(--primary);
            color: var(--text-primary);
            overflow-x: hidden;
            line-height: 1.6;
            transition: background 0.3s ease, color 0.3s ease;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--primary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 4px;
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1.2rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            backdrop-filter: blur(25px);
            background: rgba(10, 10, 15, 0.75);
            border-bottom: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        body.light-mode .navbar {
            background: rgba(250, 251, 252, 0.85);
            border-bottom-color: rgba(0,0,0,0.12);
        }

        .navbar.scrolled {
            padding: 0.8rem 5%;
            background: rgba(10, 10, 15, 0.95);
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }

        body.light-mode .navbar.scrolled {
            background: rgba(250, 251, 252, 0.95);
            box-shadow: 0 2px 20px rgba(0,0,0,0.08);
        }

        .logo {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-1);
            transition: width 0.3s ease;
        }

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

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

        .nav-cta {
            padding: 0.7rem 1.8rem;
            border: 2px solid var(--accent);
            border-radius: 50px;
            color: white;
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            background: var(--accent);
            box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
        }

        .nav-cta:hover {
            background: transparent;
            color: var(--accent);
            box-shadow: 0 8px 30px var(--accent-glow);
            transform: translateY(-3px);
        }

        body.light-mode .nav-cta {
            background: var(--accent);
            color: white;
            box-shadow: 0 4px 15px rgba(0, 82, 204, 0.25);
        }

        body.light-mode .nav-cta:hover {
            box-shadow: 0 8px 30px rgba(0, 82, 204, 0.35);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            padding: 0 5%;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 150%;
            background: radial-gradient(ellipse, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
            animation: float 8s ease-in-out infinite;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -10%;
            width: 60%;
            height: 120%;
            background: radial-gradient(ellipse, rgba(236, 72, 153, 0.1) 0%, transparent 70%);
            animation: float 10s ease-in-out infinite reverse;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(30px, -30px) scale(1.05); }
        }

        .hero-content {
            text-align: center;
            z-index: 1;
            max-width: 900px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.2rem;
            background: rgba(99, 102, 241, 0.1);
            border: 1px solid rgba(99, 102, 241, 0.2);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--accent-light);
            margin-bottom: 2rem;
            animation: fadeInUp 0.8s ease;
        }

        .hero-badge .pulse {
            width: 8px;
            height: 8px;
            background: #22c55e;
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .hero h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: clamp(2.5rem, 6vw, 5rem);
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.8s ease 0.2s both;
        }

        .hero h1 .gradient-text {
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            animation: fadeInUp 0.8s ease 0.4s both;
        }

        .hero-cta {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease 0.6s both;
        }

        .btn-primary {
            padding: 1rem 2.5rem;
            background: var(--gradient-1);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(59, 130, 246, 0.35);
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255,255,255,0.25);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
            pointer-events: none;
        }

        .btn-primary:hover::before {
            width: 300px;
            height: 300px;
        }

        .btn-primary:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 18px 45px rgba(59, 130, 246, 0.5);
        }

        .btn-primary:active {
            transform: translateY(-1px) scale(0.98);
        }

        body.light-mode .btn-primary {
            box-shadow: 0 8px 25px rgba(0, 82, 204, 0.28);
        }

        body.light-mode .btn-primary:hover {
            box-shadow: 0 18px 45px rgba(0, 82, 204, 0.42);
        }

        .btn-secondary {
            padding: 1rem 2.5rem;
            background: transparent;
            color: var(--text-primary);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--accent);
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            background: var(--accent);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(59, 130, 246, 0.35);
        }

        body.light-mode .btn-secondary {
            box-shadow: 0 4px 15px rgba(0, 82, 204, 0.15);
        }

        body.light-mode .btn-secondary:hover {
            box-shadow: 0 12px 35px rgba(0, 82, 204, 0.28);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-top: 4rem;
            animation: fadeInUp 0.8s ease 0.8s both;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            background: var(--gradient-2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

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

        /* Section Styles */
        section {
            padding: 6rem 5%;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-tag {
            display: inline-block;
            padding: 0.4rem 1rem;
            background: rgba(59, 130, 246, 0.1);
            border: 1.5px solid rgba(59, 130, 246, 0.2);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--accent-light);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .section-desc {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }

        /* About Section */
        .about {
            background: var(--secondary);
        }

        body.light-mode .about {
            background: linear-gradient(180deg, #f0f4f8 0%, #f8fafc 100%);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }

        .about-visual {
            position: relative;
        }

        .about-image {
            width: 100%;
            max-width: 450px;
            aspect-ratio: 1;
            border-radius: 24px;
            background: var(--gradient-1);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .about-image::before {
            content: '';
            position: absolute;
            inset: 2px;
            background: var(--secondary);
            border-radius: 22px;
        }

        .about-image i {
            font-size: 8rem;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            z-index: 1;
        }

        .floating-card {
            position: absolute;
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 1rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            box-shadow: 0 10px 40px rgba(0,0,0,0.3);
        }

        .floating-card.code {
            top: 10%;
            right: -10%;
            animation: floatCard 6s ease-in-out infinite;
        }

        .floating-card.design {
            bottom: 15%;
            left: -10%;
            animation: floatCard 7s ease-in-out infinite reverse;
        }

        @keyframes floatCard {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }

        .floating-card i {
            font-size: 1.5rem;
            color: var(--accent-light);
        }

        .floating-card span {
            font-size: 0.9rem;
            font-weight: 600;
        }

        .about-text h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            margin-bottom: 1.5rem;
        }

        .about-text p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .skills-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 2rem;
        }

        .skill-tag {
            padding: 0.6rem 1.2rem;
            background: rgba(59, 130, 246, 0.1);
            border: 1.5px solid var(--accent-light);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--accent-light);
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            font-weight: 500;
        }

        .skill-tag:hover {
            background: var(--accent);
            color: white;
            transform: translateY(-4px) scale(1.08);
            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
            border-color: var(--accent);
        }

        body.light-mode .skill-tag:hover {
            box-shadow: 0 10px 25px rgba(0, 82, 204, 0.23);
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .service-card {
            background: var(--card-bg);
            border: 1.5px solid var(--border);
            border-radius: 24px;
            padding: 2.5rem;
            transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
        }

        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-1);
            transform: scaleX(0);
            transition: transform 0.4s ease;
            transform-origin: left;
        }

        .service-card:hover::after {
            transform: scaleX(1);
        }

        .service-card:hover {
            transform: translateY(-15px) scale(1.03);
            border-color: var(--accent-light);
            box-shadow: 0 30px 80px rgba(59, 130, 246, 0.25);
        }

        body.light-mode .service-card {
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
        }

        body.light-mode .service-card:hover {
            box-shadow: 0 30px 80px rgba(0, 82, 204, 0.18);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: rgba(59, 130, 246, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            color: var(--accent-light);
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .service-card:hover .service-icon {
            background: var(--accent);
            color: white;
            transform: scale(1.15) rotate(5deg);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
        }

        .service-card h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
        }

        .service-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .service-features {
            list-style: none;
            margin-top: 1.5rem;
        }

        .service-features li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0.6rem;
        }

        .service-features li i {
            color: var(--accent-light);
            font-size: 0.8rem;
        }

        /* Portfolio Section */
        .portfolio {
            background: var(--secondary);
        }

        body.light-mode .portfolio {
            background: linear-gradient(180deg, #fafbfc 0%, #f0f4f8 100%);
        }

        .portfolio-filter {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 0.6rem 1.5rem;
            background: transparent;
            border: 1.5px solid var(--border);
            border-radius: 50px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            font-family: 'Inter', sans-serif;
            font-weight: 500;
        }

        .filter-btn.active,
        .filter-btn:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .portfolio-item {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            aspect-ratio: 4/3;
            cursor: pointer;
            border: 2px solid rgba(59, 130, 246, 0.15);
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }

        .portfolio-item:hover {
            border-color: var(--accent);
            transform: translateY(-10px);
            box-shadow: 0 25px 60px rgba(59, 130, 246, 0.25);
        }

        body.light-mode .portfolio-item {
            box-shadow: 0 4px 20px rgba(0,0,0,0.07);
        }

        body.light-mode .portfolio-item:hover {
            box-shadow: 0 25px 60px rgba(0, 82, 204, 0.18);
        }

        .portfolio-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .portfolio-item:hover img {
            transform: scale(1.15) rotate(1deg);
        }

        .portfolio-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10,10,15,0.98) 0%, rgba(10,10,15,0.4) 50%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 2rem;
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        body.light-mode .portfolio-overlay {
            background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
        }

        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }

        .portfolio-tag {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            background: var(--gradient-1);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            color: white;
            margin-bottom: 0.8rem;
            width: fit-content;
        }

        .portfolio-overlay h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
        }

        .portfolio-overlay p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .portfolio-link {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            width: 45px;
            height: 45px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
            transform: translateY(-20px);
            opacity: 0;
            transition: all 0.3s ease;
        }

        .portfolio-item:hover .portfolio-link {
            transform: translateY(0);
            opacity: 1;
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .testimonial-card {
            background: var(--card-bg);
            border: 1.5px solid var(--border);
            border-radius: 20px;
            padding: 2.5rem;
            position: relative;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }

        .testimonial-card:hover {
            border-color: var(--accent-light);
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 20px 50px rgba(59, 130, 246, 0.2);
        }

        body.light-mode .testimonial-card {
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
        }

        body.light-mode .testimonial-card:hover {
            box-shadow: 0 20px 50px rgba(0, 82, 204, 0.15);
        }

        .testimonial-card::before {
            content: '"';
            font-family: 'Space Grotesk', sans-serif;
            font-size: 6rem;
            color: var(--accent);
            opacity: 0.2;
            position: absolute;
            top: 0.5rem;
            left: 1.5rem;
            line-height: 1;
        }

        .testimonial-text {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--gradient-1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .author-info h4 {
            font-size: 1rem;
            margin-bottom: 0.2rem;
        }

        .author-info span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .stars {
            color: #fbbf24;
            font-size: 0.85rem;
            margin-top: 0.5rem;
        }

        /* Contact Section */
        .contact {
            background: var(--secondary);
        }

        body.light-mode .contact {
            background: linear-gradient(180deg, #f0f4f8 0%, #fafbfc 100%);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            max-width: 1100px;
            margin: 0 auto;
        }

        .contact-info h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .contact-info > p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: rgba(59, 130, 246, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-light);
            font-size: 1.1rem;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        body.light-mode .contact-icon {
            background: rgba(0, 82, 204, 0.08);
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        .contact-item:hover .contact-icon {
            background: var(--accent);
            color: white;
            transform: scale(1.15) translateY(-3px);
            box-shadow: 0 8px 20px rgba(59, 130, 246, 0.25);
        }

        .contact-item div h4 {
            font-size: 0.95rem;
            margin-bottom: 0.2rem;
        }

        .contact-item div p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }

        .social-links a {
            width: 45px;
            height: 45px;
            border-radius: 12px;
            background: rgba(59, 130, 246, 0.1);
            border: 1.5px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-light);
            font-size: 1.1rem;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            text-decoration: none;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        .social-links a:hover {
            background: var(--accent);
            color: white;
            border-color: var(--accent);
            transform: translateY(-6px) scale(1.12);
            box-shadow: 0 15px 35px rgba(59, 130, 246, 0.35);
        }

        body.light-mode .social-links a {
            background: rgba(0, 82, 204, 0.08);
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        body.light-mode .social-links a:hover {
            box-shadow: 0 15px 35px rgba(0, 82, 204, 0.25);
        }

        .contact-form {
            background: var(--card-bg);
            border: 1.5px solid var(--border);
            border-radius: 24px;
            padding: 2.5rem;
            box-shadow: 0 8px 32px rgba(0,0,0,0.1);
        }

        body.light-mode .contact-form {
            box-shadow: 0 8px 32px rgba(0,0,0,0.07);
        }

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

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 1rem 1.2rem;
            background: rgba(255,255,255,0.05);
            border: 1.5px solid var(--border);
            border-radius: 12px;
            color: var(--text-primary);
            font-family: 'Inter', sans-serif;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            box-shadow: inset 0 1px 3px rgba(0,0,0,0.08);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted);
        }

        body.light-mode .form-group input,
        body.light-mode .form-group textarea,
        body.light-mode .form-group select {
            color: var(--text-primary);
            background: rgba(0,0,0,0.02);
            box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(59, 130, 246, 0.08);
            box-shadow: 0 0 0 3px var(--accent-glow), inset 0 1px 3px rgba(0,0,0,0.08);
        }

        body.light-mode .form-group input:focus,
        body.light-mode .form-group textarea:focus,
        body.light-mode .form-group select:focus {
            background: rgba(0, 82, 204, 0.06);
            box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1), inset 0 1px 3px rgba(0,0,0,0.04);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .submit-btn {
            width: 100%;
            padding: 1rem;
            background: var(--gradient-1);
            border: none;
            border-radius: 12px;
            color: white;
            font-family: 'Inter', sans-serif;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(59, 130, 246, 0.35);
        }

        .submit-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: rgba(255,255,255,0.15);
            transition: left 0.5s ease;
        }

        .submit-btn:hover::before {
            left: 100%;
        }

        .submit-btn:hover {
            transform: translateY(-4px) scale(1.01);
            box-shadow: 0 15px 45px rgba(59, 130, 246, 0.5);
        }

        .submit-btn:active {
            transform: translateY(-1px) scale(0.99);
        }

        .submit-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }

        body.light-mode .submit-btn {
            box-shadow: 0 8px 25px rgba(0, 82, 204, 0.28);
        }

        body.light-mode .submit-btn:hover {
            box-shadow: 0 15px 45px rgba(0, 82, 204, 0.42);
        }
        /* Footer */
        .footer {
            padding: 3rem 5%;
            text-align: center;
            border-top: 1px solid var(--border);
        }

        body.light-mode .footer {
            background: linear-gradient(180deg, #fafbfc 0%, #f0f4f8 100%);
        }

        .footer p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer .logo {
            margin-bottom: 1rem;
            display: inline-block;
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 400px;
            height: 100vh;
            background: var(--secondary);
            z-index: 1001;
            padding: 2rem;
            transition: right 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            border-left: 2px solid var(--accent);
            backdrop-filter: blur(20px);
            overflow-y: auto;
        }

        .mobile-menu.active {
            right: 0;
        }

        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .mobile-menu-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu-close {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            margin-bottom: 2rem;
        }

        .mobile-nav-links {
            list-style: none;
        }

        .mobile-nav-links li {
            margin-bottom: 1.5rem;
        }

        .mobile-nav-links a {
            color: var(--text-primary);
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: 500;
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .portfolio-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 1024px) {
            .about-grid,
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            .about-visual {
                order: -1;
                display: flex;
                justify-content: center;
            }
            .floating-card.code,
            .floating-card.design {
                right: 5%;
                left: auto;
            }
            .floating-card.design {
                left: 5%;
                right: auto;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links,
            .nav-cta {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero {
                min-height: 85vh;
                padding: 2rem 5%;
            }
            .hero h1 {
                font-size: clamp(2rem, 5vw, 3rem);
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-cta {
                flex-direction: column;
                gap: 1rem;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
                margin-top: 2rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .portfolio-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
            section {
                padding: 4rem 5%;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .service-card {
                padding: 1.8rem;
            }
        }

        @media (max-width: 480px) {
            section {
                padding: 3rem 4%;
            }
            .hero-stats {
                gap: 1rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.75rem;
            }
            .section-title {
                font-size: clamp(1.5rem, 4vw, 2rem);
            }
            .btn-primary,
            .btn-secondary {
                padding: 0.8rem 1.5rem;
                font-size: 0.85rem;
            }
        }

        /* Scroll Animation */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* Theme Toggle Button */
        .theme-toggle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(59, 130, 246, 0.15);
            border: 1.5px solid var(--border);
            color: var(--accent-light);
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            box-shadow: none;
            z-index: 100;
            margin: 0 1rem;
        }

        .theme-toggle:hover {
            background: var(--accent);
            color: white;
            border-color: var(--accent);
            transform: scale(1.1) rotate(20deg);
            box-shadow: 0 6px 20px rgba(59, 130, 246, 0.25);
        }

        .theme-toggle:active {
            transform: scale(0.95) rotate(20deg);
        }

        body.light-mode .theme-toggle {
            background: rgba(0, 82, 204, 0.12);
            color: #0066ff;
        }

        body.light-mode .theme-toggle:hover {
            background: #0052cc;
            color: white;
            border-color: #0052cc;
            box-shadow: 0 6px 20px rgba(0, 82, 204, 0.2);
        }

        @media (max-width: 768px) {
            .theme-toggle {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
                margin: 0 0.5rem;
            }
        }

        /* Tech Stack Marquee */
        .tech-marquee {
            overflow: hidden;
            padding: 2rem 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            margin-top: 4rem;
        }

        .marquee-track {
            display: flex;
            gap: 4rem;
            animation: marquee 25s linear infinite;
            width: max-content;
        }

        .marquee-item {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            color: var(--text-muted);
            font-size: 1rem;
            white-space: nowrap;
        }

        .marquee-item i {
            font-size: 1.5rem;
            color: var(--accent-light);
            opacity: 0.7;
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* Enhanced Animations */
        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.8);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        @keyframes shimmer {
            0% {
                background-position: -1000px 0;
            }
            100% {
                background-position: 1000px 0;
            }
        }