:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #7e22ce;
            --accent: #f59e0b;
            --dark: #0f172a;
            --darker: #020617;
            --light: #f8fafc;
            --gray: #94a3b8;
            --success: #22c55e;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            background-color: var(--darker);
            color: var(--light);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Three.js Background */
        #threejs-background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
        }
        
        /* Header & Navigation */
        header {
            background-color: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 28px;
            font-weight: 700;
            color: white;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        
        .nav-links a {
            color: var(--light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
        }
        
        /* Mobile Toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 24px;
            cursor: pointer;
        }
        
        /* Hero Section */
        .hero {
            padding: 160px 0 100px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-content {
            max-width: 650px;
            z-index: 2;
            position: relative;
        }
        
        .hero h1 {
            font-size: 3.8rem;
            font-weight: 900;
            color: white;
            text-shadow: 0 4px 10px rgba(255, 255, 255, 0.25);
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: var(--gray);
        }
        
        .hero-btns {
            display: flex;
            gap: 15px;
        }
        
        .btn-secondary {
            background: transparent;
            border: 2px solid var(--primary);
        }
        
        .btn-secondary:hover {
            background: var(--primary);
            color: white;
        }
        
        /* Services Section */
        .services {
            padding: 100px 0;
            position: relative;
        }
        
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            position: relative;
            color: white;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            border-radius: 2px;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            transition: all 0.3s;
            backdrop-filter: blur(10px);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(37, 99, 235, 0.2);
            border-color: var(--primary);
        }
        
        .service-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 24px;
        }
        
        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: white;
        }
        
        .service-card p {
            color: var(--gray);
        }
        
        /* Portfolio Section */
.portfolio-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

.portfolio-item:hover .portfolio-image {
    transform: scale(1.1);
}
        
        /* Pricing Section */
        .pricing {
            padding: 100px 0;
            background: rgba(15, 23, 42, 0.3);
        }
        
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .pricing-card {
            background: rgba(15, 23, 42, 0.6);
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            transition: all 0.3s;
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
        }
        
        .pricing-card.popular {
            border-color: var(--primary);
            transform: scale(1.05);
            box-shadow: 0 15px 35px rgba(37, 99, 235, 0.2);
        }
        
        .popular-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent);
            color: var(--dark);
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        
        .pricing-header {
            margin-bottom: 30px;
        }
        
        .pricing-header h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: white;
        }
        
        .price {
            font-size: 2.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 5px;
        }
        
        .price span {
            font-size: 1rem;
            color: var(--gray);
            font-weight: 400;
        }
        
        .features {
            list-style: none;
            margin-bottom: 30px;
        }
        
        .features li {
            padding: 10px 0;
            color: var(--gray);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        .features .fa-check {
            color: var(--success);
        }
        
        .features .fa-times {
            color: var(--accent);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        /* Contact Section - GÜNCELLENDİ */
        .contact {
            padding: 100px 0;
        }
        
        .contact-content {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 400px;
        }
        
        .profile-card {
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            backdrop-filter: blur(10px);
            max-width: 380px;
            width: 100%;
            transition: all 0.3s;
        }
        
        .profile-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(37, 99, 235, 0.2);
            border-color: var(--primary);
        }
        
        .profile-image {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            overflow: hidden;
            margin: 0 auto 25px;
            border: 3px solid var(--primary);
        }
        
        .profile-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .profile-info h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: white;
        }
        
        .profile-title {
            color: var(--gray);
            margin-bottom: 25px;
        }
        
        .contact-details {
            margin-bottom: 30px;
        }
        
        .contact-details p {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            color: var(--light);
        }
        
        .contact-details i {
            color: var(--primary);
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 15px;
        }
        
        .social-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            text-decoration: none;
            border-radius: 25px;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .social-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
        }
        
        /* Footer */
        footer {
            background: var(--dark);
            padding: 60px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-section h3,
        .footer-section h4 {
            margin-bottom: 20px;
            color: white;
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section ul li {
            margin-bottom: 10px;
        }
        
        .footer-section ul li a {
            color: var(--gray);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-section ul li a:hover {
            color: var(--primary);
        }
        
        .social-links-footer {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links-footer a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            transition: all 0.3s;
        }
        
        .social-links-footer a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--gray);
        }
        
        /* Chat Widget */
        .chat-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
        }
        
        .chat-button {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            transition: all 0.3s;
        }
        
        .chat-button:hover {
            transform: scale(1.1);
        }
        
        .notification-badge {
            position: absolute;
            top: -5px;
            right: -5px;
            width: 20px;
            height: 20px;
            background: var(--accent);
            border-radius: 50%;
            color: white;
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .chat-container {
            position: absolute;
            bottom: 70px;
            right: 0;
            width: 350px;
            height: 450px;
            background: var(--dark);
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            display: none;
            flex-direction: column;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .chat-container.active {
            display: flex;
        }
        
        .chat-header {
            padding: 20px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .chat-title h4 {
            margin-bottom: 5px;
        }
        
        .chat-title p {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        
        .close-chat {
            background: none;
            border: none;
            color: white;
            font-size: 20px;
            cursor: pointer;
        }
        
        .chat-messages {
            flex: 1;
            padding: 20px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .message {
            display: flex;
            max-width: 80%;
        }
        
        .ai-message {
            align-self: flex-start;
        }
        
        .user-message {
            align-self: flex-end;
        }
        
        .message-content {
            padding: 12px 15px;
            border-radius: 18px;
        }
        
        .ai-message .message-content {
            background: rgba(15, 23, 42, 0.6);
            border-bottom-left-radius: 5px;
        }
        
        .user-message .message-content {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-bottom-right-radius: 5px;
        }
        
        .chat-input {
            padding: 15px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            gap: 10px;
        }
        
        .chat-input input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(15, 23, 42, 0.6);
            border-radius: 20px;
            color: white;
            font-family: 'Poppins', sans-serif;
        }
        
        .chat-input input:focus {
            outline: none;
            border-color: var(--primary);
        }
        
        .chat-input button {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border: none;
            color: white;
            cursor: pointer;
        }
        
        /* Responsive Design */
        @media (max-width: 968px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .contact-content {
                grid-template-columns: 1fr;
            }
            
            .nav-links {
                display: none;
                position: fixed;
                top: 0;
                right: -100%;
                width: 70%;
                height: 100vh;
                background: rgba(15, 23, 42, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                transition: right 0.4s ease;
                z-index: 1000;
            }
            
            .nav-links.active {
                right: 0;
            }
            
            .mobile-toggle {
                display: block;
                z-index: 1001;
            }
            
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            
            .pricing-card.popular {
                transform: scale(1);
            }
            
            .chat-container {
                width: 300px;
                right: -20px;
            }
            
            .social-links {
                flex-direction: column;
                gap: 10px;
            }
        }
        
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .hero-btns {
                flex-direction: column;
            }
            
            .services-grid,
            .portfolio-grid {
                grid-template-columns: 1fr;
            }
            
            .nav-links a {
                font-size: 1.2rem;
                padding: 15px 0;
            }
            
            .chat-container {
                width: 280px;
                height: 400px;
                right: -30px;
            }
            
            .profile-card {
                margin: 0 20px;
                padding: 30px 20px;
            }
        }
        
        /* YENİ EKLENEN STİLLER */
        
        /* Hero bölümüne gradient arkaplan */
        .hero {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(126, 34, 206, 0.1) 100%);
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
            opacity: 0.05;
            animation: rotate 30s linear infinite;
        }
        
        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        /* Servis kartlarına hover efekti */
        .service-card {
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            transition: left 0.7s ease;
        }
        
        .service-card:hover::before {
            left: 100%;
        }
        
        .service-card:hover {
            transform: translateY(-10px) scale(1.03);
            box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
        }
        
        /* Navbar'a blur efekti */
        header {
            background: rgba(15, 23, 42, 0.8) !important;
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
        }
        
        /* Butonlara gradient animasyon */
        .btn {
            background-size: 200% 100%;
            background-image: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 50%, var(--primary) 100%);
            transition: background-position 0.5s ease, transform 0.3s ease;
        }
        
        .btn:hover {
            background-position: -100% 0;
            transform: translateY(-3px) scale(1.05);
        }
        
        /* Portfolio item'lara zoom efekti */
        .portfolio-item {
            overflow: hidden;
        }
        
        .portfolio-img {
            transition: transform 0.5s ease;
        }
        
        .portfolio-item:hover .portfolio-img {
            transform: scale(1.1);
        }
        
        /* Görünür değişiklik gösteren yeni bileşen */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
            padding: 80px 0;
            text-align: center;
            margin: 60px 0;
            border-radius: 20px;
        }
        
        .counter {
            font-size: 3rem;
            font-weight: 700;
            color: white;
        }
        
        /* Yükleme barı */
        .progress-bar {
            height: 5px;
            width: 0;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            position: fixed;
            top: 0;
            left: 0;
            z-index: 9999;
            transition: width 0.3s ease;
        }
        
        /* Dark/Light mode geçişi */
        .theme-switch {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .theme-switch i {
            color: white;
            font-size: 24px;
        }
        
        /* Animasyonlu gradient border */
        .gradient-border {
            position: relative;
            border-radius: 16px;
            padding: 2px;
            background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
            background-size: 200% 200%;
            animation: gradientMove 3s ease infinite;
        }
        
        @keyframes gradientMove {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        /* Yazıyor efekti için stiller */
        .typing-indicator {
            display: flex;
            align-items: center;
            height: 20px;
        }
        
        .typing-indicator span {
            width: 8px;
            height: 8px;
            background-color: var(--primary);
            border-radius: 50%;
            display: inline-block;
            margin: 0 2px;
            opacity: 0.6;
            animation: typing 1.4s infinite ease-in-out;
        }
        
        .typing-indicator span:nth-child(1) { animation-delay: 0s; }
        .typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
        .typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
        
        @keyframes typing {
            0%, 60%, 100% { transform: translateY(0); opacity: 0.6; }
            30% { transform: translateY(-5px); opacity: 1; }
        }
        
        .message-content {
            white-space: pre-line;
            line-height: 1.5;
        }


                /* LinkedIn butonu - LinkedIn mavisi */
        .social-btn {
            background: linear-gradient(135deg, #0077b5, #00a0dc) !important;
            box-shadow: 0 5px 15px rgba(0, 119, 181, 0.3) !important;
        }

        .social-btn:hover {
            background: linear-gradient(135deg, #00659c, #0084bf) !important;
            box-shadow: 0 15px 35px rgba(0, 119, 181, 0.4) !important;
        }

        /* WhatsApp butonu - WhatsApp yeşili */
        .social-btn:nth-child(2) {
            background: linear-gradient(135deg, #25d366, #128c7e) !important;
            box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3) !important;
        }

        .social-btn:nth-child(2):hover {
            background: linear-gradient(135deg, #20bd5c, #0e7869) !important;
            box-shadow: 0 15px 35px rgba(37, 211, 102, 0.4) !important;
        }

        /* Instagram butonu - Instagram gradient (turuncu-mor) */
        .instagram-btn {
            background: linear-gradient(135deg, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%) !important;
            box-shadow: 0 5px 15px rgba(225, 48, 108, 0.3) !important;
        }

        .instagram-btn:hover {
            background: linear-gradient(135deg, #fcea75 0%, #fcea75 5%, #fd5040 45%, #d11d95 60%, #285AEB 90%) !important;
            box-shadow: 0 15px 35px rgba(225, 48, 108, 0.4) !important;
        }

        /* Butonların genel stilleri */
        .social-btn {
            border: none !important;
            min-width: 140px;
            justify-content: center;
            transition: all 0.3s ease !important;
        }

        .social-btn:hover {
            transform: translateY(-5px) !important;
        }


        .nav-buttons {
    display: flex;
    align-items: center;
    gap: 15px;
}

        .language-toggle {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            padding: 8px 15px;
            border-radius: 50px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
            font-family: 'Poppins', sans-serif;
            font-weight: 500;
        }

        .language-toggle:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        @media (max-width: 968px) {
            .nav-buttons {
                display: none;
            }
            
            /* Mobil menüde dil seçeneği eklemek için */
            .nav-links.active ~ .nav-buttons {
                display: flex;
                position: fixed;
                bottom: 20px;
                left: 50%;
                transform: translateX(-50%);
                z-index: 1001;
            }
        }