@font-face {
            font-family: 'IGUIBeta';
            src: url('../font/Bold.ttf') format('truetype');
            font-weight: 700;
            font-style: normal;
        }
        @font-face {
            font-family: 'IGUIBeta';
            src: url('../font/SemiBold.ttf') format('truetype');
            font-weight: 600;
            font-style: normal;
        }
        @font-face {
            font-family: 'IGUIBeta';
            src: url('../font/Regular.ttf') format('truetype');
            font-weight: 400;
            font-style: normal;
        }

        :root {
            --primary: #00f0ff;
            --secondary: #7928ca;
            --dark: #0a0a14;
            --darker: #05050a;
            --light: #f0f0f0;
            --code-bg: #1e1e2e;
            --success: #00ff9d;
            --warning: #ffcc00;
            --danger: #ff3860;
        }

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

        body {
            font-family: 'IGUIBeta', sans-serif;
            background-color: var(--dark);
            color: var(--light);
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* 3D Animated Background */
        .bg-animation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }

        .cube {
            position: absolute;
            top: 80vh;
            left: 45vw;
            width: 10px;
            height: 10px;
            border: solid 1px var(--primary);
            transform-origin: top left;
            transform: scale(0) rotate(0deg) translate(-50%, -50%);
            animation: cube 12s ease-in forwards infinite;
            opacity: 0.6;
        }

        .cube:nth-child(2n) {
            border-color: var(--secondary);
        }

        .cube:nth-child(2) {
            animation-delay: 2s;
            left: 25vw;
            top: 40vh;
        }

        .cube:nth-child(3) {
            animation-delay: 4s;
            left: 75vw;
            top: 50vh;
        }

        .cube:nth-child(4) {
            animation-delay: 6s;
            left: 90vw;
            top: 10vh;
        }

        .cube:nth-child(5) {
            animation-delay: 8s;
            left: 10vw;
            top: 85vh;
        }

        .cube:nth-child(6) {
            animation-delay: 10s;
            left: 50vw;
            top: 10vh;
        }

        @keyframes cube {
            from {
                transform: scale(0) rotate(0deg) translate(-50%, -50%);
                opacity: 0;
            }
            to {
                transform: scale(20) rotate(960deg) translate(-50%, -50%);
                opacity: 0.2;
            }
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 4rem;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        h2 {
            font-size: 3rem;
            color: var(--primary);
            position: relative;
            display: inline-block;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), transparent);
            border-radius: 2px;
        }

        h3 {
            font-size: 2rem;
            color: var(--light);
        }

        p {
            font-weight: 400;
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            max-width: 700px;
        }

        /* Layout */
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 0;
        }

        section {
            padding: 6rem 0;
            position: relative;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 1rem 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            background-color: rgba(10, 10, 20, 0.8);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0;
        }

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

        .logo img {
            width: 200px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--dark);
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        nav a {
            color: var(--light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            position: relative;
            transition: color 0.3s ease;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }

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

        nav a:hover::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
            position: relative;
            width: 30px;
            height: 30px;
            padding: 0;
        }

        .mobile-menu-btn i {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.3s ease;
        }

        /* Hero Section */
        #hero {
            height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            position: relative;
            z-index: 10;
            max-width: 800px;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            display: inline-block;
        }

        .typed-cursor {
            color: var(--primary);
            animation: blink 1s infinite;
        }

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

        .hero-btns {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }

        .btn {
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--dark);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 240, 255, 0.3);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: rgba(0, 240, 255, 0.1);
            transform: translateY(-3px);
        }

        .hero-image {
            position: absolute;
            right: -100px;
            top: 50%;
            transform: translateY(-50%);
            width: 600px;
            height: 600px;
            background: url('https://dev.eidhl.com/coding-illustration.svg') no-repeat center center;
            background-size: contain;
            opacity: 0.8;
            z-index: 5;
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(-50%) translateX(0); }
            50% { transform: translateY(-50%) translateX(-20px); }
        }

        /* About Section */
        #about {
            background-color: var(--darker);
        }

        .about-content {
            display: flex;
            gap: 4rem;
            align-items: center;
        }

        .about-text {
            flex: 1;
        }

        .about-image {
            flex: 1;
            position: relative;
            min-height: 400px;
        }

        .code-window {
            background-color: var(--code-bg);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            transform: perspective(1000px) rotateY(-10deg);
            transition: transform 0.5s ease;
        }

        .code-window:hover {
            transform: perspective(1000px) rotateY(0deg);
        }

        .window-header {
            height: 40px;
            background: linear-gradient(to right, var(--code-bg), #2a2a3a);
            display: flex;
            align-items: center;
            padding: 0 1rem;
        }

        .window-btn {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            margin-right: 8px;
        }

        .btn-red { background-color: var(--danger); }
        .btn-yellow { background-color: var(--warning); }
        .btn-green { background-color: var(--success); }

        .window-title {
            font-family: 'Fira Code', monospace;
            font-size: 0.8rem;
            color: var(--light);
            margin-left: 1rem;
        }

        .code-container {
            padding: 1.5rem;
            font-family: 'Fira Code', monospace;
            overflow-x: auto;
        }

        .code-line {
            display: flex;
            margin-bottom: 0.5rem;
        }

        .line-number {
            color: #6c7086;
            margin-right: 1rem;
            user-select: none;
        }

        .code-keyword {
            color: #ff79c6;
        }

        .code-function {
            color: #50fa7b;
        }

        .code-string {
            color: #f1fa8c;
        }

        .code-comment {
            color: #6272a4;
        }

        .code-operator {
            color: #ff79c6;
        }

        .code-parameter {
            color: #8be9fd;
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .service-card {
            background-color: var(--darker);
            border-radius: 8px;
            padding: 2rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(0, 240, 255, 0.1);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), transparent);
            z-index: 1;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 240, 255, 0.1);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 2rem;
            color: var(--light);
        }

        .service-card h3 {
            margin-bottom: 1rem;
            position: relative;
            z-index: 2;
        }

        .service-card p {
            position: relative;
            z-index: 2;
        }

        /* Portfolio Section */
        #portfolio {
            background-color: var(--darker);
        }

        .portfolio-filter {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 0.5rem 1.5rem;
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .filter-btn.active, .filter-btn:hover {
            background-color: var(--primary);
            color: var(--dark);
        }

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

        .portfolio-item {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            height: 250px;
            transition: transform 0.3s ease;
        }

        .portfolio-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.5rem;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

        .portfolio-item:hover .portfolio-img {
            transform: scale(1.1);
        }

        .portfolio-tags {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
            flex-wrap: wrap;
        }

        .portfolio-tag {
            background-color: var(--primary);
            color: var(--dark);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* Testimonials Section */
        .testimonials-slider {
            margin-top: 3rem;
            position: relative;
            overflow: hidden;
        }

        .testimonials-track {
            display: flex;
            transition: transform 0.5s ease;
        }

        .testimonial-card {
            min-width: 100%;
            padding: 2rem;
            background-color: var(--darker);
            border-radius: 8px;
            border: 1px solid rgba(0, 240, 255, 0.1);
        }

        .testimonial-content {
            margin-bottom: 1.5rem;
            font-style: italic;
            position: relative;
        }

        .testimonial-content::before, .testimonial-content::after {
            content: '"';
            font-size: 3rem;
            color: var(--primary);
            opacity: 0.3;
            position: absolute;
        }

        .testimonial-content::before {
            top: -20px;
            left: -10px;
        }

        .testimonial-content::after {
            bottom: -40px;
            right: -10px;
        }

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

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--primary);
        }

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

        .author-info p {
            margin-bottom: 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .slider-controls {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 2rem;
        }

        .slider-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.5rem;
            background-color: var(--darker);
            border: 1px solid var(--primary);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .slider-btn:hover {
            background-color: var(--primary);
            color: var(--dark);
        }

        /* Contact Section */
        #contact {
            background-color: var(--darker);
        }

        .contact-container {
            display: flex;
            gap: 4rem;
        }

        .contact-info {
            flex: 1;
        }

        .contact-card {
            background-color: var(--dark);
            padding: 2rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            transition: transform 0.3s ease;
            border: 1px solid rgba(0, 240, 255, 0.1);
        }

        .contact-card:hover {
            transform: translateY(-5px);
        }

        .contact-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .contact-form {
            flex: 1;
            background-color: var(--dark);
            padding: 2rem;
            border-radius: 8px;
            border: 1px solid rgba(0, 240, 255, 0.1);
        }

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

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--light);
        }

        .form-control {
            width: 100%;
            padding: 0.8rem;
            background-color: var(--darker);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 4px;
            color: var(--light);
            font-family: 'IGUIBeta', sans-serif;
            transition: border-color 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
        }

        textarea.form-control {
            min-height: 340px;
            resize: vertical;
        }

        /* Footer */
        footer {
            background-color: var(--darker);
            padding: 1rem 0;
            text-align: center;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
        }

        .footer-logo {
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1.5rem;
            display: inline-block;
        }

        .footer-logo img {
            width: 200px;
        }

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

        .footer-link {
            color: var(--light);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-link:hover {
            color: var(--primary);
        }

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

        .social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.6rem;
            background-color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--light);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

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

        .copyright {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            margin: auto;
            text-align: center !important;
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 50px;
            height: 50px;
            font-size: 1.5rem;
            background-color: var(--primary);
            color: var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 100;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 240, 255, 0.3);
        }

        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .fade-in {
            animation: fadeIn 1s ease forwards;
        }

        .delay-1 { animation-delay: 0.2s; }
        .delay-2 { animation-delay: 0.4s; }
        .delay-3 { animation-delay: 0.6s; }
        .delay-4 { animation-delay: 0.8s; }
        
        /* Notification Styles */
        .notification {
            position: fixed;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            padding: 1rem 2rem;
            border-radius: 4px;
            font-weight: 600;
            display: none;
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            animation: slideIn 0.3s ease-out;
            max-width: 90%;
            text-align: center;
        }
        
        .notification.info {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--dark);
        }
        
        .notification.success {
            background: var(--success);
            color: var(--dark);
        }
        
        .notification.error {
            background: var(--danger);
            color: var(--light);
        }
        
        @keyframes slideIn {
            from { bottom: -50px; opacity: 0; }
            to { bottom: 2rem; opacity: 1; }
        }
        
        .notification-close {
            margin-left: 1rem;
            background: none;
            border: none;
            color: inherit;
            cursor: pointer;
            font-weight: bold;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            h1 { font-size: 3rem; }
            h2 { font-size: 2.5rem; }
            
            .hero-image {
                width: 500px;
                height: 500px;
                right: -150px;
                opacity: 0.5;
            }
            
            .about-content, .contact-container {
                flex-direction: column;
            }
            
            .about-image {
                min-height: 300px;
                width: 100%;
            }

            textarea.form-control {
                min-height: 200px;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
                z-index: 1001;
            }
            
            nav ul {
                position: fixed;
                top: 63px;
                left: 0;
                width: 100%;
                background-color: var(--darker);
                flex-direction: column;
                align-items: center;
                padding: 2rem 0;
                gap: 1.5rem;
                transform: translateY(-150%);
                transition: transform 0.3s ease;
                z-index: 999;
                border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            }
            
            nav ul.active {
                transform: translateY(0);
            }
            
            .hero-content {
                text-align: center;
                margin: 0 auto;
            }
            
            .hero-btns {
                justify-content: center;
            }
            
            .hero-image {
                display: none;
            }
            
            .portfolio-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
        }