:root {
            --primary: #0066FF;
            --primary-dark: #0052CC;
            --accent: #FF3366;
            --dark: #0A0A14;
            --dark-light: #1A1A24;
            --light: #FFFFFF;
            --gray: #8A8A9C;
            --gray-light: #F0F2F5;
            --gradient: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            --shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            --shadow-heavy: 0 40px 80px rgba(0, 0, 0, 0.12);
            --radius: 16px;
            --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.7;
            color: var(--gray);
            background-color: var(--light);
            overflow-x: hidden;
            font-weight: 400;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.2;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
        }

        section {
            padding: 120px 0;
        }

        .section-header {
            margin-bottom: 80px;
            position: relative;
        }

        .section-title {
            font-size: 3.5rem;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
            font-weight: 800;
        }

        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 80px;
            height: 6px;
            background: var(--gradient);
            border-radius: 3px;
        }

        .section-subtitle {
            font-size: 1.25rem;
            max-width: 600px;
            color: var(--gray);
            font-weight: 400;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 18px 40px;
            background: var(--gradient);
            color: var(--light);
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-family: 'Montserrat', sans-serif;
            letter-spacing: 0.5px;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .btn:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            transition: var(--transition);
            z-index: -1;
        }

        .btn:hover:before {
            width: 100%;
        }

        .btn:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-heavy);
        }

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

        .btn-outline:before {
            background: var(--primary);
        }

        .btn-outline:hover {
            color: var(--light);
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 30px 0;
            transition: var(--transition);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }

        header.scrolled {
            padding: 20px 0;
            box-shadow: var(--shadow);
        }

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

        .logo {
            font-family: 'Montserrat', sans-serif;
            font-size: 2rem;
            font-weight: 800;
            color: var(--dark);
            text-decoration: none;
            position: relative;
        }

        .logo span {
            color: var(--primary);
        }

        .logo:after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            bottom: 5px;
            right: -12px;
        }

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

        .nav-links li {
            margin-left: 40px;
        }

        .nav-links a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }

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

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

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

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }

        /* Hero */
        .hero {
            padding-top: 180px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #f8faff 0%, #f0f4ff 100%);
        }

        .hero:before {
            content: '';
            position: absolute;
            width: 800px;
            height: 800px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(255, 51, 102, 0.05) 100%);
            top: -400px;
            right: -300px;
            z-index: 0;
        }

        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            z-index: 1;
        }

        .hero-text {
            flex: 1;
            max-width: 600px;
        }

        .hero-image {
            flex: 1;
            text-align: center;
            position: relative;
        }

        .hero-image:before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: var(--gradient);
            border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            opacity: 0.1;
            animation: morphing 15s infinite;
        }

        @keyframes morphing {
            0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
            25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
            50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
            75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
            100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
        }

        .timeline-date {
   
    z-index: 100;
}
        .profile-image {
            width: 400px;
            height: 500px;
            background: linear-gradient(135deg, var(--dark-light), var(--dark));
            border-radius: var(--radius);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-heavy);
            margin: 0 auto;
        }

        .profile-image1 {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            background: url('./nader.png') center/cover;
            opacity: 0.7;
        }

        .hero h1 {
            font-size: 4.5rem;
            margin-bottom: 20px;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }

        .hero h2 {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 30px;
            font-weight: 600;
        }

        .hero p {
            font-size: 1.25rem;
            margin-bottom: 40px;
            max-width: 500px;
        }

        .hero-btns {
            display: flex;
            gap: 20px;
        }

        /* About */
        .about {
            background-color: var(--light);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }

        .about-text p {
            margin-bottom: 25px;
            font-size: 1.1rem;
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .stat-card {
            background: var(--light);
            padding: 40px 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--gray-light);
        }

        .stat-card:hover {
            transform: translateY(-15px);
            box-shadow: var(--shadow-heavy);
        }

        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .stat-card h3 {
            font-size: 3rem;
            margin-bottom: 5px;
        }

        /* Services */
        .services {
            background-color: var(--gray-light);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 40px;
        }

        .service-card {
            background: var(--light);
            padding: 50px 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .service-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient);
            z-index: 2;
        }

        .service-card:after {
            content: '';
            position: absolute;
            width: 100px;
            height: 100px;
            background: var(--gradient);
            border-radius: 50%;
            top: -50px;
            right: -50px;
            opacity: 0.05;
            z-index: -1;
        }

        .service-card:hover {
            transform: translateY(-20px);
            box-shadow: var(--shadow-heavy);
        }

        .service-icon {
            width: 70px;
            height: 70px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 30px;
        }

        .service-icon i {
            font-size: 1.8rem;
            color: var(--light);
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        /* Skills */
        .skills-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 60px;
        }

        .skill-category {
            margin-bottom: 40px;
        }

        .skill-category h3 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: var(--primary);
            position: relative;
            display: inline-block;
        }

        .skill-category h3:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 40px;
            height: 3px;
            background: var(--accent);
        }

        .skill-item {
            margin-bottom: 25px;
        }

        .skill-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }

        .skill-name {
            font-weight: 600;
            color: var(--dark);
        }

        .skill-percentage {
            color: var(--primary);
            font-weight: 700;
        }

        .skill-bar {
            height: 8px;
            background: var(--gray-light);
            border-radius: 4px;
            overflow: hidden;
        }

        .skill-progress {
            height: 100%;
            background: var(--gradient);
            border-radius: 4px;
            width: 0;
            transition: width 1.5s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

        /* Experience */
        .experience {
            background-color: var(--dark);
            color: var(--light);
        }

        .experience .section-title {
            color: var(--light);
        }

        .experience .section-title:after {
            background: var(--accent);
        }

        .experience .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

        .timeline:before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            top: 0;
            height: 100%;
            width: 2px;
            background: rgba(255, 255, 255, 0.1);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 80px;
            width: 50%;
            padding-right: 60px;
        }

        .timeline-item:nth-child(even) {
            margin-left: 50%;
            padding-left: 60px;
            padding-right: 0;
        }

        .timeline-date {
            position: absolute;
            top: 0;
            right: -100px;
            background: var(--gradient);
            color: white;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow);
        }

        .timeline-item:nth-child(even) .timeline-date {
            right: auto;
            left: -100px;
        }

        .timeline-content {
            background: rgba(255, 255, 255, 0.05);
            padding: 40px;
            border-radius: var(--radius);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .timeline-content:hover {
            transform: translateY(-10px);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .timeline-content h3 {
            color: var(--light);
            margin-bottom: 10px;
            font-size: 1.5rem;
        }

        .company {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 15px;
            display: block;
            font-size: 1.1rem;
        }

        /* Tools */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 30px;
        }

        .tool-item {
            background: var(--light);
            padding: 40px 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--gray-light);
        }

        .tool-item:hover {
            transform: translateY(-10px) scale(1.05);
            box-shadow: var(--shadow-heavy);
        }

        .tool-item i {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        /* Contact */
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .contact-card {
            background: var(--light);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            gap: 25px;
            transition: var(--transition);
        }

        .contact-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-heavy);
        }

        .contact-icon {
            width: 70px;
            height: 70px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .contact-icon i {
            font-size: 1.8rem;
            color: var(--light);
        }

        .contact-details h3 {
            margin-bottom: 10px;
            font-size: 1.3rem;
        }

        .form-group {
            margin-bottom: 30px;
        }

        .form-control {
            width: 100%;
            padding: 20px;
            border: 1px solid var(--gray-light);
            border-radius: var(--radius);
            font-family: 'Inter', sans-serif;
            font-size: 1rem;
            transition: var(--transition);
            background: var(--light);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
        }

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

        /* Footer */
        footer {
            background: var(--dark);
            color: var(--light);
            padding: 80px 0 40px;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 60px;
        }

        .social-links {
            display: flex;
            gap: 20px;
        }

        .social-link {
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--light);
            text-decoration: none;
            transition: var(--transition);
        }

        .social-link:hover {
            background: var(--primary);
            transform: translateY(-5px);
        }

        .copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .container {
                padding: 0 30px;
            }
            
            .section-title {
                font-size: 3rem;
            }
            
            .hero h1 {
                font-size: 3.8rem;
            }
        }

        @media (max-width: 992px) {
            section {
                padding: 100px 0;
            }
            
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-text {
                margin-bottom: 80px;
            }
            
            .about-content {
                grid-template-columns: 1fr;
                gap: 60px;
            }
            
            .skills-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .contact-container {
                grid-template-columns: 1fr;
                gap: 60px;
            }
            
            .timeline:before {
                left: 30px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 80px;
                padding-right: 0;
            }
            
            .timeline-item:nth-child(even) {
                margin-left: 0;
                padding-left: 80px;
            }
            
            .timeline-date {
                right: auto;
                left: 0;
            }
            
            .timeline-item:nth-child(even) .timeline-date {
                left: 0;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: var(--light);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                z-index: 999;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links li {
                margin: 20px 0;
            }
            
            .mobile-toggle {
                display: block;
                z-index: 1000;
            }
            
            .section-title {
                font-size: 2.5rem;
            }
            
            .hero h1 {
                font-size: 3rem;
            }
            
            .hero h2 {
                font-size: 1.8rem;
            }
            
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
            }
            
            .tools-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }
            
            .footer-content {
                flex-direction: column;
                gap: 40px;
                text-align: center;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 20px;
            }
            
            section {
                padding: 80px 0;
            }
            
            .section-title {
                font-size: 2.2rem;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .profile-image {
                width: 300px;
                height: 400px;
            }
            
            .about-stats {
                grid-template-columns: 1fr;
            }
            
            .contact-card {
                flex-direction: column;
                text-align: center;
            }
        }