:root {
            --primary-color: #6f42c1;
            --secondary-color: #0d6efd;
            --accent-color: #20c997;
            --dark-color: #343a40;
            --light-color: #f8f9fa;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            color: var(--dark-color);
            scroll-behavior: smooth;
            background-color: #fefefe;
        }
        
        /* Navbar */
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        
        .nav-link {
            font-weight: 500;
            margin: 0 10px;
            transition: color 0.3s;
            position: relative;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        
        .nav-link:hover {
            color: var(--primary-color) !important;
        }
        
        /* Özel Buton Stilleri */
        .btn-custom {
            position: relative;
            overflow: hidden;
            border: none;
            border-radius: 50px;
            padding: 12px 30px;
            font-weight: 600;
            transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            z-index: 1;
        }
        
        .btn-custom::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.7s ease;
            z-index: -1;
        }
        
        .btn-custom:hover::before {
            left: 100%;
        }
        
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
        }
        
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(111, 66, 193, 0.3);
        }
        
        .btn-light-custom {
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary-color);
            backdrop-filter: blur(10px);
        }
        
        .btn-light-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 255, 255, 0.3);
            color: var(--primary-color);
        }
        
        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }
        
        .btn-outline-custom:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(111, 66, 193, 0.3);
        }
        
        .btn-accent {
            background: var(--accent-color);
            color: white;
        }
        
        .btn-accent:hover {
            background: #1ba87e;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(32, 201, 151, 0.3);
        }
        
        /* Özel Input Stilleri */
        .form-control-custom {
            border: none;
            border-bottom: 2px solid #e0e0e0;
            border-radius: 0;
            padding: 12px 0;
            background: transparent;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        
        .form-control-custom:focus {
            border-color: var(--primary-color);
            box-shadow: none;
            background: rgba(111, 66, 193, 0.03);
            padding-left: 15px;
            border-radius: 5px;
        }
        
        .form-floating-custom {
            position: relative;
            margin-bottom: 25px;
        }
        
        .form-floating-custom label {
            position: absolute;
            top: 12px;
            left: 0;
            color: #6c757d;
            transition: all 0.3s ease;
            pointer-events: none;
        }
        
        .form-control-custom:focus + label,
        .form-control-custom:not(:placeholder-shown) + label {
            top: -15px;
            left: 0;
            font-size: 0.8rem;
            color: var(--primary-color);
            font-weight: 600;
        }
        
        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
            padding: 150px 0 100px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
        }
        
        .profile-image {
            width: 250px;
            height: 250px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            margin: 0 10px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        
        .social-links a::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: left 0.7s ease;
        }
        
        .social-links a:hover::before {
            left: 100%;
        }
        
        .social-links a:hover {
            background: white;
            color: var(--primary-color);
            transform: translateY(-3px);
        }
        
        /* Section Styling */
        .section-title {
            position: relative;
            display: inline-block;
            margin-bottom: 50px;
            font-weight: 700;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            width: 70%;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            bottom: -10px;
            left: 0;
            border-radius: 2px;
        }
        
        /* About Section */
        .about-content {
            padding: 100px 0;
        }
        
        .skill-item {
            margin-bottom: 15px;
        }
        
        .skill-name {
            display: flex;
            justify-content: space-between;
            margin-bottom: 5px;
        }
        
        .progress {
            height: 8px;
            border-radius: 4px;
        }
        
        .progress-bar-custom {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 4px;
        }
        
        /* Projects Section */
        .projects-section {
            background-color: #f8f9fa;
            padding: 100px 0;
        }
        
        .project-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        
        .project-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(111, 66, 193, 0.1) 0%, rgba(13, 110, 253, 0.1) 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 1;
        }
        
        .project-card:hover::before {
            opacity: 1;
        }
        
        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .project-image {
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .project-card:hover .project-image {
            transform: scale(1.05);
        }
        
        .project-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 15px;
        }
        
        .tech-badge {
            background: rgba(111, 66, 193, 0.1);
            color: var(--primary-color);
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            transition: all 0.3s ease;
        }
        
        .tech-badge:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }
        
        /* CV Section */
        .cv-section {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }
        
        .cv-item {
            margin-bottom: 40px;
            position: relative;
            padding-left: 30px;
        }
        
        .cv-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary-color);
        }
        
        .cv-item::after {
            content: '';
            position: absolute;
            left: 5px;
            top: 20px;
            width: 2px;
            height: calc(100% + 20px);
            background: var(--primary-color);
        }
        
        .cv-item:last-child::after {
            display: none;
        }
        
        .cv-date {
            color: var(--primary-color);
            font-weight: 600;
        }
        
        /* Contact Section */
        .contact-section {
            padding: 100px 0;
        }
        
        .contact-info {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            padding: 15px;
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        
        .contact-info:hover {
            background: rgba(111, 66, 193, 0.05);
            transform: translateX(5px);
        }
        
        .contact-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(111, 66, 193, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: var(--primary-color);
            font-size: 1.2rem;
            transition: all 0.3s ease;
        }
        
        .contact-info:hover .contact-icon {
            background: var(--primary-color);
            color: white;
            transform: scale(1.1);
        }
        
        /* Footer */
        footer {
            background: var(--dark-color);
            color: white;
            padding: 30px 0;
        }
        
        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .fade-in-up {
            animation: fadeInUp 0.8s ease forwards;
        }
        
        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 80px;
                text-align: center;
            }
            
            .profile-image {
                width: 200px;
                height: 200px;
                margin-bottom: 30px;
            }
            
            .btn-custom {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }


    .lang-selector a {
        margin-left: 5px;
        border: none;
        background: var(--primary-color);
        color: white;
        padding: 5px 10px;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration:none;
    }
    .lang-selector a:hover {
        background: var(--secondary-color);
    }