@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary: #00ffff;
            --secondary: #0080ff;
            --dark: #0f0f0f;
            --darker: #050505;
            --light: #ffffff;
            --gray: #888888;
            --accent: #ff0080;
        }

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

        /* Background Effects */
        .bg-grid {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 255, 255, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 255, 255, 0.05) 1px, transparent 1px);
            background-size: 100px 100px;
            z-index: -1;
            animation: gridMove 20s linear infinite;
        }

        @keyframes gridMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(100px, 100px); }
        }

        .bg-gradient {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 25% 25%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(0, 128, 255, 0.1) 0%, transparent 50%);
            z-index: -2;
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 1rem 0;
            background: rgba(15, 15, 15, 0.9);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 255, 255, 0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
        }

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

        .nav-menu a {
            color: var(--light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

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

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

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

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

        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--primary);
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            padding: 0 2rem;
        }

        .hero-content {
            max-width: 800px;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            background: rgba(0, 255, 255, 0.1);
            border: 1px solid rgba(0, 255, 255, 0.3);
            border-radius: 50px;
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 2rem;
            animation: fadeInUp 0.6s ease 0.2s both;
        }

        .hero h1 {
            font-size: clamp(3rem, 8vw, 6rem);
            font-weight: 900;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--light) 0%, var(--primary) 50%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: fadeInUp 0.6s ease 0.4s both;
            line-height: 1.1;
        }

        .hero p {
            font-size: 1.3rem;
            color: var(--gray);
            margin-bottom: 2.5rem;
            animation: fadeInUp 0.6s ease 0.6s both;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn {
            padding: 1rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-primary {
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: var(--dark);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 255, 255, 0.4);
        }

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

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

        /* 3D Code Block */
        .code-visualization {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            perspective: 1000px;
            animation: fadeInRight 1s ease 1s both;
        }

        .code-block {
            background: rgba(17, 17, 17, 0.9);
            border: 1px solid rgba(0, 255, 255, 0.2);
            border-radius: 12px;
            padding: 2rem;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            color: var(--primary);
            transform: rotateY(-15deg) rotateX(5deg);
            transition: transform 0.3s ease;
            backdrop-filter: blur(10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        }

        .code-block:hover {
            transform: rotateY(0deg) rotateX(0deg) scale(1.05);
        }

        .code-line {
            margin-bottom: 0.5rem;
            opacity: 0;
            animation: typeIn 0.1s ease forwards;
        }

        .code-line:nth-child(1) { animation-delay: 1.2s; }
        .code-line:nth-child(2) { animation-delay: 1.4s; }
        .code-line:nth-child(3) { animation-delay: 1.6s; }
        .code-line:nth-child(4) { animation-delay: 1.8s; }
        .code-line:nth-child(5) { animation-delay: 2s; }

        @keyframes typeIn {
            to { opacity: 1; }
        }

        /* Services Section */
        .services {
            padding: 100px 0;
            background: rgba(5, 5, 5, 0.5);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .section-title {
            text-align: center;
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(45deg, var(--light), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 4rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .service-card {
            background: rgba(17, 17, 17, 0.8);
            border: 1px solid rgba(0, 255, 255, 0.1);
            border-radius: 20px;
            padding: 2.5rem;
            text-align: center;
            transition: all 0.4s ease;
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, var(--primary), transparent);
            opacity: 0;
            transition: opacity 0.4s ease;
            animation: rotate 4s linear infinite;
        }

        .service-card:hover::before {
            opacity: 0.1;
        }

        .service-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary);
            box-shadow: 0 20px 40px rgba(0, 255, 255, 0.2);
        }

        .service-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            display: block;
            position: relative;
            z-index: 2;
        }

        .service-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            position: relative;
            z-index: 2;
        }

        .service-card p {
            color: var(--gray);
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }

        /* Tech Stack */
        .tech-stack {
            padding: 100px 0;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .tech-item {
            background: rgba(17, 17, 17, 0.6);
            border: 1px solid rgba(0, 255, 255, 0.1);
            border-radius: 15px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
        }

        .tech-item:hover {
            transform: translateY(-5px) scale(1.05);
            border-color: var(--primary);
            box-shadow: 0 15px 30px rgba(0, 255, 255, 0.2);
        }

        .tech-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .tech-name {
            font-weight: 600;
            color: var(--light);
        }

        /* Contact Section */
        .contact {
            padding: 100px 0;
            background: rgba(5, 5, 5, 0.8);
        }

        .contact-form {
            max-width: 600px;
            margin: 3rem auto 0;
            background: rgba(17, 17, 17, 0.8);
            padding: 3rem;
            border-radius: 20px;
            border: 1px solid rgba(0, 255, 255, 0.1);
            backdrop-filter: blur(10px);
        }

        .form-group {
            margin-bottom: 2rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--light);
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 1rem;
            border: 1px solid rgba(0, 255, 255, 0.2);
            border-radius: 10px;
            background: rgba(0, 0, 0, 0.5);
            color: var(--light);
            font-family: inherit;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(0, 255, 255, 0.2);
        }

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

        .char-counter {
            text-align: right;
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 0.5rem;
        }

        .char-counter.warning {
            color: #ff9800;
        }

        .char-counter.error {
            color: #f44336;
        }

        .error-message {
            background: rgba(244, 67, 54, 0.1);
            border: 1px solid rgba(244, 67, 54, 0.3);
            color: #f44336;
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            text-align: center;
            display: none;
        }

        .success-message {
            background: rgba(76, 175, 80, 0.1);
            border: 1px solid rgba(76, 175, 80, 0.3);
            color: #4caf50;
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            text-align: center;
            display: none;
        }

        /* Footer */
        .footer {
            padding: 3rem 0;
            background: var(--darker);
            border-top: 1px solid rgba(0, 255, 255, 0.1);
            text-align: center;
        }

        .footer p {
            color: var(--gray);
        }

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

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

        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 0;
                left: -100%;
                width: 100%;
                height: 100vh;
                background: rgba(15, 15, 15, 0.95);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 2rem;
                transition: left 0.3s ease;
                backdrop-filter: blur(20px);
            }

            .nav-menu.active {
                left: 0;
            }

            .nav-menu a {
                font-size: 1.5rem;
            }

            .hero {
                flex-direction: column;
                text-align: center;
                padding-top: 100px;
            }

            .code-visualization {
                position: static;
                transform: none;
                margin-top: 2rem;
                width: 100%;
                display: flex;
                justify-content: center;
            }

            .code-block {
                transform: none;
                max-width: 100%;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 100%;
                max-width: 300px;
            }

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

            .tech-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }

            .contact-form {
                margin: 2rem 1rem 0;
                padding: 2rem;
            }
        }

        @media (max-width: 480px) {
            .nav-container {
                padding: 0 1rem;
            }

            .hero {
                padding: 100px 1rem 0;
            }

            .container {
                padding: 0 1rem;
            }

            .section-title {
                font-size: 2.5rem;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .code-block {
                padding: 1.5rem;
                font-size: 0.8rem;
            }
        }
        /* WhatsApp Button */
        .whatsapp-btn {
            position: fixed !important;
            right: 0 !important;
            top: 75% !important;
            z-index: 9999 !important;
            background: rgba(17, 17, 17, 0.9) !important;
            border: 1px solid rgba(0, 255, 255, 0.3) !important;
            border-right: none !important;
            border-radius: 15px 0 0 15px !important;
            padding: 20px 15px !important;
            text-decoration: none !important;
            color: var(--primary) !important;
            font-weight: 600 !important;
            font-size: 14px !important;
            backdrop-filter: blur(20px) !important;
            box-shadow: 0 8px 25px rgba(0, 255, 255, 0.2) !important;
            transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) !important;
            display: flex !important;
            flex-direction: column !important;
            align-items: center !important;
            gap: 8px !important;
            font-family: 'Cairo', sans-serif !important;
            transform: translateY(-50%) !important;
            writing-mode: horizontal-tb !important;
            direction: rtl !important;
            overflow: hidden !important;
        }

        .whatsapp-btn::after {
            content: '' !important;
            position: absolute !important;
            top: 0 !important;
            left: -100% !important;
            width: 100% !important;
            height: 100% !important;
            background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.4), transparent) !important;
            transition: left 0.6s ease !important;
        }

        .whatsapp-btn:hover::after {
            left: 100% !important;
        }

        .whatsapp-btn:hover {
            transform: translateY(-50%) rotate(2deg) !important;
            background: linear-gradient(135deg, rgba(0, 255, 255, 0.2), rgba(0, 128, 255, 0.2)) !important;
            border-color: rgba(0, 255, 255, 0.8) !important;
            box-shadow: 
                0 0 30px rgba(0, 255, 255, 0.5),
                inset 0 0 20px rgba(0, 255, 255, 0.1) !important;
            color: var(--light) !important;
        }

        .whatsapp-icon {
            font-size: 20px !important;
            position: relative !important;
            z-index: 2 !important;
            transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) !important;
        }

        .whatsapp-btn:hover .whatsapp-icon {
            animation: bounce 0.6s ease !important;
        }

        .whatsapp-text {
            position: relative !important;
            z-index: 2 !important;
            white-space: nowrap !important;
            writing-mode: vertical-rl !important;
            text-orientation: mixed !important;
            transition: all 0.4s ease !important;
            opacity: 0.8 !important;
        }

        .whatsapp-btn:hover .whatsapp-text {
            opacity: 1 !important;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.8) !important;
        }

        @keyframes bounce {
            0%, 20%, 60%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-8px);
            }
            80% {
                transform: translateY(-4px);
            }
        }

        /* Mobile responsive */
        @media (max-width: 768px) {
            .whatsapp-btn {
                padding: 15px 12px !important;
                font-size: 12px !important;
            }
            
            .whatsapp-icon {
                font-size: 18px !important;
            }
            
            .whatsapp-btn:hover {
                transform: translateY(-50%) rotate(1deg) !important;
            }
        }