:root {
            --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            
            --neon-blue: #00d4ff;
            --neon-purple: #b347d9;
            --neon-pink: #ff006e;
            --text-primary: #2c3e50;
            --text-light: #ecf0f1;
            --glass-bg: rgba(255, 255, 255, 0.1);
            --glass-border: rgba(255, 255, 255, 0.2);
        }

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

        body {
            font-family: 'Cairo', sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
           background: linear-gradient(135deg, #1a1a2e, #0f3460);
            background-size: 400% 400%;
            animation: gradientShift 15s ease infinite;
        }

        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* شريط التحميل */
        .loading-bar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent-gradient);
            z-index: 10000;
            animation: loadingProgress 3s ease-out forwards;
        }

        @keyframes loadingProgress {
            0% { width: 0%; }
            100% { width: 100%; opacity: 0; }
        }

        /* أزرار التحكم */
        .control-buttons {
            position: fixed;
            top: 20px;
            left: 20px;
            z-index: 1000;
        }

        .control-btn {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            color: var(--text-light);
            padding: 12px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .control-btn:hover {
            transform: translateY(-5px) scale(1.1);
            box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
        }

        /* القائمة للموبايل - تحسين التصميم */
        .menu-toggle {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1002;
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            padding: 15px;
            border-radius: 15px;
            border: 2px solid var(--glass-border);
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .menu-toggle:hover {
            transform: scale(1.05);
            box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background: var(--neon-blue);
            margin: 3px 0;
            transition: 0.3s;
            border-radius: 2px;
            box-shadow: 0 0 10px var(--neon-blue);
        }

        .menu-toggle.active span:nth-child(1) {
            transform: rotate(-45deg) translate(-5px, 6px);
        }

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

        .menu-toggle.active span:nth-child(3) {
            transform: rotate(45deg) translate(-5px, -6px);
        }

        /* الهيدر */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 20px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 999;
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            transition: all 0.3s ease;
        }

        .logo {
            font-size: 2rem;
            font-weight: 700;
            color: var(--neon-blue);
            text-decoration: none;
            text-shadow: 0 0 20px var(--neon-blue);
            animation: logoGlow 2s ease-in-out infinite alternate;
        }

        @keyframes logoGlow {
            from { text-shadow: 0 0 20px var(--neon-blue); }
            to { text-shadow: 0 0 30px var(--neon-blue), 0 0 40px var(--neon-blue); }
        }

        .navigation {
            display: flex;
            gap: 30px;
        }

        .nav-link {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            padding: 10px 20px;
            border-radius: 25px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .nav-link::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--accent-gradient);
            transition: left 0.3s ease;
            z-index: -1;
        }

        .nav-link:hover::before {
            left: 0;
        }

        .nav-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3);
        }

        /* القسم الرئيسي */
        .main {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="25" r="0.5" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="50" r="1.5" fill="%23ffffff" opacity="0.1"/><circle cx="25" cy="75" r="0.8" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1.2" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
            animation: float 20s ease-in-out infinite;
        }

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

        .content {
            text-align: center;
            color: var(--text-light);
            z-index: 2;
            max-width: 800px;
            padding: 0 20px;
        }

        .welcome-text {
            font-size: 1.5rem;
            margin-bottom: 10px;
            opacity: 0;
            animation: slideInFromTop 1s ease 0.5s forwards;
        }

        .name {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 700;
        }

        .job-title {
            font-size: 4rem;
            font-weight: 700;
            margin-bottom: 20px;
            opacity: 0;
            animation: slideInFromRight 1s ease 1s forwards;
        }

        .typing-animation {
            border-right: 3px solid var(--neon-blue);
            animation: typing 4s steps(40, end), blink 0.75s step-end infinite;
        }

        @keyframes typing {
            from { width: 0; }
            to { width: 100%; }
        }

        @keyframes blink {
            from, to { border-color: transparent; }
            50% { border-color: var(--neon-blue); }
        }

        .intro {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0;
            animation: slideInFromLeft 1s ease 1.5s forwards;
        }

        .main-button {
            display: inline-block;
            padding: 15px 40px;
            background: var(--secondary-gradient);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            margin-bottom: 30px;
            box-shadow: 0 10px 30px rgba(255, 0, 110, 0.3);
            opacity: 0;
            animation: slideInFromBottom 1s ease 2s forwards;
        }

        .main-button:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 20px 40px rgba(255, 0, 110, 0.5);
        }

        .social-icons {
            display: flex;
            justify-content: center;
            gap: 20px;
            opacity: 0;
            animation: fadeIn 1s ease 2.5s forwards;
        }

        .social-link {
            width: 50px;
            height: 50px;
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.2rem;
            transition: all 0.3s ease;
        }

        .social-link:hover {
            transform: translateY(-5px) rotate(360deg);
            background: var(--accent-gradient);
            box-shadow: 0 15px 30px rgba(0, 212, 255, 0.4);
        }

        .scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            text-align: center;
            color: var(--text-light);
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
            40% { transform: translateX(-50%) translateY(-10px); }
            60% { transform: translateX(-50%) translateY(-5px); }
        }

        /* الأقسام */
        section {
            padding: 100px 0;
            position: relative;
        }

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

        .section-title {
            text-align: center;
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 60px;
            color: var(--text-light);
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--accent-gradient);
            border-radius: 2px;
        }

        /* قسم الخدمات */
        .services {
            background: rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--primary-gradient);
            opacity: 0.1;
            transition: left 0.5s ease;
        }

        .service-card:hover::before {
            left: 0;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
        }

        .service-icon {
            width: 80px;
            height: 80px;
            background: var(--accent-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
            color: white;
            transition: all 0.3s ease;
        }

        .service-card:hover .service-icon {
            transform: rotateY(360deg);
        }

        .service-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 15px;
        }

        .service-description {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
        }

        /* قسم المشاريع */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }

        .project-card {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            overflow: hidden;
            transition: all 0.3s ease;
            position: relative;
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
        }

        .project-image {
            position: relative;
            height: 250px;
            overflow: hidden;
        }

        .project-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .project-card:hover .project-image img {
            transform: scale(1.1);
        }

        .project-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .project-card:hover .project-overlay {
            opacity: 1;
        }

        .project-link {
            padding: 12px 30px;
            background: var(--accent-gradient);
            color: white;
            text-decoration: none;
            border-radius: 25px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .project-link:hover {
            transform: scale(1.1);
            box-shadow: 0 10px 25px rgba(0, 212, 255, 0.4);
        }

        .project-info {
            padding: 25px;
        }

        .project-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .project-category {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        /* قسم الاتصال */
        .contact {
            background: rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: start;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 15px;
            padding: 25px;
            transition: all 0.3s ease;
        }

        .contact-card:hover {
            transform: translateX(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        }

        .contact-icon {
            width: 60px;
            height: 60px;
            background: var(--secondary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
        }

        .contact-details h3 {
            color: var(--text-light);
            font-weight: 600;
            margin-bottom: 5px;
        }

        .contact-details p {
            color: rgba(255, 255, 255, 0.8);
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-form input,
        .contact-form textarea {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            padding: 15px 20px;
            color: var(--text-light);
            font-family: 'Cairo', sans-serif;
            transition: all 0.3s ease;
        }

        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--neon-blue);
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
        }

        .contact-form button {
            background: var(--primary-gradient);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Cairo', sans-serif;
        }

        .contact-form button:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
        }

        /* الفوتر */
        .footer {
            background: rgba(0, 0, 0, 0.4);
            backdrop-filter: blur(20px);
            border-top: 1px solid var(--glass-border);
            padding: 30px 0;
        }

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

        .footer-text {
            color: rgba(255, 255, 255, 0.8);
        }

        /* زر العودة للأعلى */
        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--accent-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0;
            visibility: hidden;
            z-index: 1000;
        }

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

        .scroll-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 212, 255, 0.4);
        }

        /* أنيميشن الدخول */
        @keyframes slideInFromTop {
            from { transform: translateY(-50px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

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

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

        @keyframes slideInFromBottom {
            from { transform: translateY(50px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        /* تأثيرات الجسيمات */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: var(--neon-blue);
            border-radius: 50%;
            animation: float-particles 20s linear infinite;
        }

        @keyframes float-particles {
            0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
        }

        /* استجابة للشاشات الصغيرة */
        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }

            /* إخفاء اللوقو في شاشة الهاتف */
            .logo {
                display: none;
            }

            /* تحسين القائمة الجانبية للموبايل */
            .navigation {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(0, 0, 0, 0.95);
                backdrop-filter: blur(30px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                transition: right 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
                border-left: 2px solid var(--glass-border);
                box-shadow: -10px 0 50px rgba(0, 0, 0, 0.5);
                gap: 0;
                z-index: 1001;
            }

            .navigation.active {
                right: 0;
            }

            .navigation .nav-link {
                width: 200px;
                text-align: center;
                margin: 15px 0;
                padding: 15px 25px;
                font-size: 1.2rem;
                background: var(--glass-bg);
                backdrop-filter: blur(20px);
                border: 1px solid var(--glass-border);
                border-radius: 15px;
                transition: all 0.3s ease;
                position: relative;
                overflow: hidden;
            }

            .navigation .nav-link:hover {
                transform: translateX(-10px);
                background: var(--accent-gradient);
                box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
            }

            .navigation .nav-link::before {
                display: none;
            }

            /* تأثير overlay للخلفية عند فتح القائمة */
            .navigation.active::before {
                content: '';
                position: fixed;
                top: 0;
                left: 0;
                width: 100vw;
                height: 100vh;
                background: rgba(0, 0, 0, 0.5);
                z-index: -1;
            }

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

            .contact-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer .container {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }

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

            /* تحسين الهيدر للموبايل */
            header {
                padding: 15px 20px;
                justify-content: flex-end;
            }
        }

        /* تأثيرات إضافية للحيوية */
        .glow-effect {
            position: relative;
        }

        .glow-effect::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: var(--accent-gradient);
            border-radius: inherit;
            z-index: -1;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .glow-effect:hover::before {
            opacity: 1;
        }

        /* تأثير النيون للنصوص */
        .neon-text {
            text-shadow: 
                0 0 5px var(--neon-blue),
                0 0 10px var(--neon-blue),
                0 0 15px var(--neon-blue),
                0 0 20px var(--neon-blue);
        }

        /* تحريك العناصر عند السكرول */
        .scroll-reveal {
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.6s ease;
        }

        .scroll-reveal.revealed {
            opacity: 1;
            transform: translateY(0);
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        @keyframes ripple {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }