:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --background-color: #f5f5f5;
    --text-color: #333333;
    --dark-color: #1a1a1a;
    --light-color: #ffffff;
    --gradient-primary: linear-gradient(135deg, #3498db 0%, #2ecc71 100%);
    --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --transition-fast: all 0.3s ease;
    --transition-normal: all 0.4s ease;
    --transition-slow: all 0.6s ease;
    --box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    --primary-rgb: 74, 144, 226;
    --light-bg: #ffffff;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto Slab', serif;
    color: var(--dark-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color);
}

/* Navbar Styles */
.navbar {
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

/* Scroll edildiğinde navbar stilleri */
.navbar.scrolled {
    padding: 0.8rem 0;
    box-shadow: var(--shadow-md);
}

/* Aydınlık tema için scroll edilmiş navbar */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
}

.navbar.scrolled .nav-link {
    color: var(--dark-color) !important;
    padding: 0.5rem 1rem;
}

.navbar.scrolled .nav-link:hover {
    color: var(--primary-color) !important;
}

/* Karanlık tema için scroll edilmiş navbar */
.dark-mode .navbar.scrolled {
    background: rgba(26, 26, 26, 0.98) !important;
}

.dark-mode .navbar.scrolled .nav-link {
    color: var(--light-color) !important;
    padding: 0.5rem 1rem;
}

.dark-mode .navbar.scrolled .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: var(--text-color);
    margin-right: 1rem;
    font-weight: 500;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

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

/* Navbar responsive menü için güncellenmiş stiller */
.navbar-toggler {
    border: 2px solid var(--primary-color) !important;
    padding: 0.5rem;
    margin-right: 1rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25); /* Odaklandığında beyaz gölge */
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(52, 152, 219, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    /* Beyaz hamburger menü ikonu */
}

/* Mobil görünümde menü arka planı */
@media (max-width: 991.98px) {
    .navbar-collapse {
        border-radius: 10px;
        padding: 1rem;
        margin-top: 0.5rem;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    }

    .navbar-nav .nav-item {
        margin: 0.5rem 0;
    }

    .navbar-nav .nav-link {
        padding: 0.8rem 1.2rem;
        border-radius: 5px;
        font-weight: 500;
        transition: all 0.3s ease;
    }

    /* Aydınlık tema için responsive menü */
    .navbar.scrolled .navbar-collapse {
        background-color: rgba(255, 255, 255, 0.98);
    }

    /* Karanlık tema için responsive menü */
    .dark-mode .navbar.scrolled .navbar-collapse {
        background-color: rgba(26, 26, 26, 0.98);
    }

    /* Dil değiştirme butonu için özel stil */
    #languageToggle {
        width: 100%;
        text-align: left;
        padding: 0.8rem 1.2rem;
        margin-top: 0.5rem;
        border-radius: 5px;
        font-weight: 500;
    }

    /* Aydınlık tema için dil değiştirme butonu */
    .navbar.scrolled #languageToggle {
        color: var(--dark-color) !important;
        background-color: rgba(52, 152, 219, 0.1);
    }

    /* Karanlık tema için dil değiştirme butonu */
    .dark-mode .navbar.scrolled #languageToggle {
        color: var(--light-color) !important;
        background-color: rgba(52, 152, 219, 0.2);
    }

    /* Hamburger menü ikonu */
    .navbar-toggler {
        border: 2px solid var(--primary-color) !important;
        padding: 0.5rem;
        margin-right: 0.5rem;
        background-color: rgba(255, 255, 255, 0.9);
    }

    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(52, 152, 219, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    }
}

/* Açılan menüdeki linkler için stil */
.navbar.scrolled .navbar-nav .nav-link {
    color: var(--dark-color) !important;
    padding: 0.8rem 1.2rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.navbar.scrolled .navbar-nav .nav-link:hover {
    background-color: var(--primary-color);
    color: white !important;
}

/* Hero Section */
.hero-section {
    background-image: url('images/yazılım.jpg'); /* Arka plan görseli */
    background-size: cover; /* Görselin tüm alanı kaplamasını sağlar */
    background-position: center; /* Görselin ortalanmasını sağlar */
    height: 100vh; /* Yüksekliği ekranın tamamı kadar yapar */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    color: #fff;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5); /* Arka plan karartma */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    z-index: 2;
    position: relative;
}

.hero-section h1 span[data-translate="hello"] {
    color: var(--primary-color); 
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-section p {
    font-size: 1.5rem;
    margin-bottom: 30px;
    z-index: 2;
    position: relative;
}

.hero-buttons a {
    padding: 12px 30px;
    margin: 0 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    z-index: 2;
    position: relative;
}

.hero-buttons a.btn-primary {
    background-color: #3498db;
    color: #fff;
}

.hero-buttons a.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
}

.hero-buttons a.btn-outline-light {
    border: 2px solid #fff;
    color: #fff;
}

.hero-buttons a.btn-outline-light:hover {
    background-color: #fff;
    color: #000;
    transform: translateY(-3px);
}

.hero-section .typed-text {
    color: var(--primary-color);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* About Section Styles */
.about-section {
    position: relative;
    padding: 120px 0;
    background: #ffffff;
    overflow: hidden;
    margin-top: 60px;
}

.about-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(80, 200, 120, 0.05) 100%);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0% 100%);
}

.about-wrapper {
    position: relative;
    z-index: 1;
}

.about-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.section-title {
    color: var(--dark-color);
    font-weight: 700;
}

.about-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
}

/* Profile Card Styles */
.profile-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.profile-card:hover {
    transform: translateY(-10px);
}

.profile-image {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
}

.profile-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.profile-card:hover .profile-image img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}

.profile-info {
    padding: 25px;
    text-align: center;
}

.profile-info h3 {
    margin: 0 0 10px;
    font-size: 1.5rem;
    color: var(--dark-color);
}

.profile-info span {
    color: var(--primary-color);
    font-size: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 0 25px 25px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(74, 144, 226, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Info Side Styles */
.info-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

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

.info-text {
    color: var(--text-color);
    line-height: 1.8;
    margin: 0;
}

/* Skills Container */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.skill-box {
    background: white;
    border-radius: 15px;
    padding: 25px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.skill-box:hover {
    transform: translateY(-5px);
}

.skill-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.skill-info h4 {
    margin: 0 0 10px;
    color: var(--dark-color);
    font-size: 1.1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tags span {
    padding: 4px 12px;
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--light-color);
}

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

/* Section Header */
.section-header {
    margin-bottom: 4rem;
}

.section-subtitle {
    color: var(--text-color);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 500;
    display: block;
    margin-bottom: 1rem;
}

.title-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 1rem;
}

.title-separator .dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    display: inline-block;
}

.title-separator .dot:nth-child(2) {
    width: 12px;
    height: 12px;
}

/* Image Section */
.about-image-wrapper {
    position: relative;
    padding: 20px;
}

.image-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image {
    width: 100%;
    height: auto;
    border-radius: 20px;
    transition: transform 0.5s ease;
}

.image-frame:hover .about-image {
    transform: scale(1.05);
}

.frame-border {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    z-index: -1;
}

.experience-badge {
    position: absolute;
    bottom: 40px;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    animation: float 3s ease-in-out infinite;
}

.badge-content {
    text-align: center;
    color: white;
}

.badge-content .number {
    font-size: 2rem;
    font-weight: bold;
    line-height: 1;
    display: block;
}

.badge-content .text {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: white;
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 2;
}

.floating-card i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.card-education {
    top: 30px;
    left: 0;
    animation: float 3s ease-in-out infinite;
}

.card-design {
    bottom: 30px;
    left: 0;
    animation: float 3s ease-in-out infinite 1.5s;
}

/* Content Section */
.content-header {
    margin-bottom: 2rem;
}

.tech-stack {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tech-badge {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 2rem 0;
}

.skill-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.skill-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* Stats Row */
.stats-row {
    display: flex;
    justify-content: space-around;
    margin-bottom: 2rem;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Buttons */
.about-buttons {
    display: flex;
    gap: 15px;
}

.about-buttons .btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.3s ease;
}

.about-buttons .btn:hover {
    transform: translateY(-2px);
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsive Adjustments */
@media (max-width: 991px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        display: none;
    }
    
    .stats-row {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .stat-item {
        width: 45%;
    }

    .about-content-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .stat-item {
        width: 100%;
    }
    
    .about-buttons {
        flex-direction: column;
    }
    
    .tech-stack {
        justify-content: center;
    }
}

/* Project Cards */
.project-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-card img {
    transition: var(--transition-normal);
}

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

.project-info {
    padding: 1.5rem;
    background: white;
}

/* Contact Section */
.contact-section {
    position: relative;
    padding: 120px 0;
    background: #ffffff;
    overflow: hidden;
    margin-top: 60px;
}

.contact-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(80, 200, 120, 0.05) 100%);
    clip-path: polygon(0 15%, 100% 0, 100% 85%, 0% 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    position: relative;
    z-index: 2;
}

/* Contact Info Card */
.contact-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    height: 100%;
}

.contact-card-header {
    text-align: center;
    margin-bottom: 30px;
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.card-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.contact-card h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin: 0;
}

.contact-details {
    margin: 30px 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-radius: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.contact-item:hover {
    background: rgba(74, 144, 226, 0.05);
    transform: translateX(5px);
}

.contact-item i {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.item-content h4 {
    margin: 0 0 5px;
    font-size: 1rem;
    color: var(--dark-color);
}

.item-content p {
    margin: 0;
    color: var(--text-color);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form-wrapper {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin: 0 0 10px;
}

.form-header p {
    color: var(--text-color);
    margin: 0;
}

.form-group {
    margin-bottom: 25px;
}

.input-group {
    position: relative;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 15px 20px 15px 50px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group textarea {
    height: 150px;
    resize: none;
}

.input-group label {
    position: absolute;
    left: 50px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    pointer-events: none;
    transition: all 0.3s ease;
}

.input-group textarea ~ label {
    top: 25px;
    transform: none;
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.1);
}

.input-group input:focus ~ label,
.input-group textarea:focus ~ label,
.input-group input:valid ~ label,
.input-group textarea:valid ~ label {
    top: -12px;
    left: 20px;
    font-size: 0.85rem;
    padding: 0 5px;
    background: white;
    color: var(--primary-color);
}

.input-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    transition: all 0.3s ease;
}

.input-group textarea ~ .input-icon {
    top: 25px;
    transform: none;
}

.input-group input:focus ~ .input-icon,
.input-group textarea:focus ~ .input-icon {
    color: var(--primary-color);
}

.submit-btn {
    width: 100%;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    background: var(--primary-color);
    color: white;
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

.submit-btn i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.submit-btn:hover i {
    transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .about-section,
    .contact-section {
        padding: 60px 0;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-card,
    .contact-form-wrapper {
        padding: 30px;
    }
}

@media (max-width: 576px) {
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .social-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Skills Section Styles */
.skills-section {
    padding: 100px 0;
    background: #f8f9fa;
    position: relative;
}

.section-header {
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.section-subtitle {
    color: #666;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.skill-category {
    padding: 2rem;
    border-radius: 1rem;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-header i {
    font-size: 2rem;
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
    padding: 1rem;
    border-radius: 1rem;
}

.category-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
    color: var(--primary-color);
    padding: 0.6rem 1.2rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Dark mode styles */
.dark-mode .skill-category {
    background: rgba(30, 30, 30, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dark-mode .skill-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
}

.dark-mode .skill-tag:hover {
    background: var(--primary-color);
    color: white;
}

/* Glass effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.dark-mode .glass-effect {
    background: rgba(30, 30, 30, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .skill-category {
        padding: 1.5rem;
    }
    
    .skill-tag {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* Projects Section Styles */
.projects-section {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    position: relative;
    padding-top: 60%; /* 16:9 aspect ratio */
    overflow: hidden;
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s 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, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-links {
    display: flex;
    gap: 20px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.project-card:hover .project-links {
    transform: translateY(0);
}

.project-link {
    width: 45px;
    height: 45px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.project-content {
    padding: 25px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.project-tags span {
    padding: 5px 12px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-title {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 12px;
}

.project-description {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.btn-primary {
    padding: 12px 30px;
    border-radius: 50px;
    background: var(--primary-color);
    border: none;
    color: white;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    .project-title {
        font-size: 1.2rem;
    }

    .project-description {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .projects-section {
        padding: 60px 0;
    }

    .project-link {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* Glassmorphism efektleri */
.glass-effect {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

/* Hover efektleri */
.hover-lift {
    transition: var(--transition-normal);
}

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

/* Responsive düzenlemeler */
@media (max-width: 768px) {
    :root {
        --shadow-lg: 0 8px 12px -3px rgba(0,0,0,0.1);
        --shadow-xl: 0 15px 20px -5px rgba(0,0,0,0.1);
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Karanlık Mod Stilleri */
.dark-mode {
    --bg-color: #121212;
    --text-color: #ffffff;
    --card-bg: #1e1e1e;
    --border-color: #2d2d2d;
    --section-bg: #181818;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --hover-color: #2d2d2d;
}

/* Body karanlık mod */
.dark-mode body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Navbar karanlık mod */
.dark-mode .navbar {
    background: #000000 !important; /* Tam siyah arka plan */
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: none; /* Blur efektini kaldır */
}

.dark-mode .navbar.scrolled {
    background: #000000 !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Navbar linkleri için */
.dark-mode .nav-link {
    color: #ffffff !important;
}

.dark-mode .nav-link:hover {
    color: var(--primary-color) !important;
}

/* Navbar brand için */
.dark-mode .navbar-brand {
    color: #ffffff;
}

/* Mobil menü için */
.dark-mode .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.1);
}

.dark-mode .navbar-toggler-icon {
    filter: invert(1);
}

/* Section karanlık modları */
.dark-mode .about-section,
.dark-mode .skills-section,
.dark-mode .projects-section,
.dark-mode .contact-section {
    background: var(--bg-color);
}

/* Card karanlık modları */
.dark-mode .project-card,
.dark-mode .skill-category,
.dark-mode .contact-card,
.dark-mode .contact-form-wrapper,
.dark-mode .profile-card,
.dark-mode .info-card,
.dark-mode .skill-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px var(--shadow-color);
}

/* Text renkleri */
.dark-mode h1,
.dark-mode h2,
.dark-mode h3,
.dark-mode h4,
.dark-mode h5,
.dark-mode h6 {
    color: var(--text-color);
}

.dark-mode .section-subtitle,
.dark-mode .info-text,
.dark-mode .project-description {
    color: #a0a0a0;
}

/* Form elementleri */
.dark-mode .input-group input,
.dark-mode .input-group textarea {
    background: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

.dark-mode .input-group label {
    color: #a0a0a0;
}

.dark-mode .input-group input:focus ~ label,
.dark-mode .input-group textarea:focus ~ label {
    background: var(--card-bg);
}

/* Progress bar */
.dark-mode .progress {
    background: var(--border-color);
}

/* Skill tags */
.dark-mode .skill-tags span {
    background: var(--hover-color);
    color: #a0a0a0;
}

/* Contact items */
.dark-mode .contact-item:hover {
    background: var(--hover-color);
}

/* Social links */
.dark-mode .social-link {
    background: var(--hover-color);
    color: var(--text-color);
}

.dark-mode .social-link:hover {
    background: var(--primary-color);
}

.dark-mode .page-loader {
    background: var(--bg-color);
}

/* Project overlay */
.dark-mode .project-overlay {
    background: rgba(0, 0, 0, 0.8);
}

.dark-mode .project-link {
    background: var(--card-bg);
    color: var(--text-color);
}

.dark-mode .project-link:hover {
    background: var(--primary-color);
}

/* Section backgrounds */
.dark-mode .about-background,
.dark-mode .contact-background {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(80, 200, 120, 0.05) 100%);
    opacity: 0.1;
}

/* Skill icons */
.dark-mode .skill-icon,
.dark-mode .card-icon,
.dark-mode .contact-item i {
    background: var(--hover-color);
    color: var(--primary-color);
}

/* Project tags */
.dark-mode .project-tags span {
    background: var(--hover-color);
    color: #a0a0a0;
}

/* Section tag */
.dark-mode .section-tag {
    background: var(--hover-color);
    color: var(--primary-color);
}

/* Karanlık Mod Toggle Butonu */
.dark-mode-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%); /* Gradient arka plan */
    border: none;
    color: white;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.dark-mode-toggle:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #06b6d4 0%, #4f46e5 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dark-mode-toggle:hover:before {
    opacity: 1;
}

.dark-mode-toggle i {
    font-size: 1.8rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.dark-mode-toggle:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.dark-mode-toggle:active {
    transform: translateY(-2px);
}

/* Mobil görünüm için */
@media (max-width: 768px) {
    .dark-mode-toggle {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    
    .dark-mode-toggle i {
        font-size: 1.5rem;
    }
}

/* Loader Stilleri */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--primary-color);
    border-top: 3px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Timeline Styles */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 40px auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    left: 50%;
    transform: translateX(-50%);
    top: 0;
}

.timeline-item {
    margin-bottom: 60px;
    position: relative;
    width: 50%;
    padding: 0 40px;
}

.timeline-item:nth-child(even) {
    margin-left: auto;
}

.timeline-dot {
    position: absolute;
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    left: -40px;
    top: 0;
    border: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: auto;
    right: -40px;
}

.timeline-dot img {
    width: 90%;
    height: 90%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.timeline-item:hover .timeline-dot img {
    transform: scale(1.1);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.timeline-content::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: inherit;
    top: 20px;
    transform: rotate(45deg);
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -10px;
}

.timeline-item:hover .timeline-content {
    transform: translateY(-5px);
}

/* Dark Mode Styles */
.dark-mode .timeline::before {
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.dark-mode .timeline-dot {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.dark-mode .timeline-content {
    background: rgba(30, 30, 30, 0.9);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .timeline::before {
        left: 40px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 80px;
        padding-right: 0;
    }

    .timeline-item:nth-child(even) {
        margin-left: 0;
    }

    .timeline-dot {
        left: 0;
        width: 60px;
        height: 60px;
    }

    .timeline-item:nth-child(even) .timeline-dot {
        left: 0;
        right: auto;
    }

    .timeline-content::before {
        display: none;
    }

    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -10px;
    }
}

/* Certificates Section Styles */
.certificates-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(80, 200, 120, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.certificates-wrapper {
    display: flex;
    gap: 25px;
    padding: 40px 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox için scrollbar gizleme */
    -ms-overflow-style: none; /* IE ve Edge için scrollbar gizleme */
    position: relative;
    scroll-behavior: smooth;
    max-width: calc(100% - 100px); /* Scroll butonları için kenarlardan boşluk */
    margin: 0 auto;
}

/* Webkit tarayıcılar için scrollbar gizleme */
.certificates-wrapper::-webkit-scrollbar {
    display: none;
}

.certificate-card {
    min-width: calc((100% - 50px) / 3); /* 3 kart + 2 gap (25px) */
    max-width: calc((100% - 50px) / 3);
    scroll-snap-align: start;
    perspective: 1000px;
    height: 400px;
}

.certificate-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.certificate-card:hover .certificate-inner {
    transform: rotateY(180deg);
}

.certificate-front, .certificate-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.certificate-front {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.certificate-back {
    background: var(--gradient-primary);
    color: white;
    transform: rotateY(180deg);
}

.certificate-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.certificate-icon i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.certificate-front h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.certificate-issuer {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.certificate-issuer img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.certificate-date {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 500;
}

.certificate-back p {
    margin-bottom: 20px;
    line-height: 1.6;
}

.certificate-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 25px;
}

.certificate-skills span {
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    font-size: 0.85rem;
}

.btn-view {
    padding: 10px 25px;
    background: white;
    color: var(--primary-color);
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-view:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Dark Mode Styles */
.dark-mode .certificate-front {
    background: rgba(30, 30, 30, 0.9);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark-mode .certificate-front h3 {
    color: white;
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .certificate-card {
        min-width: calc((100% - 25px) / 2); /* 2 kart + 1 gap */
        max-width: calc((100% - 25px) / 2);
    }
}

@media (max-width: 768px) {
    .certificate-card {
        min-width: 100%; /* Tek kart */
        max-width: 100%;
    }
    .certificate-card {
        height: 350px;
    }
}

/* Kaydırma Butonları */
.scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.scroll-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-50%) scale(1.1);
}

.scroll-btn.prev {
    left: 20px;
}

.scroll-btn.next {
    right: 20px;
}

.scroll-btn i {
    font-size: 1.2rem;
}

/* Kaydırma Göstergesi */
.scroll-indicator {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.scroll-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(74, 144, 226, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.scroll-dot.active {
    background: var(--primary-color);
    transform: scale(1.3);
}

/* Scroll grupları için */
.certificates-group {
    display: flex;
    gap: 25px;
    min-width: 100%;
    scroll-snap-align: start;
}

/* Genel Kart Hover Efekti */
.skill-box,
.project-card,
.certificate-card,
.contact-card,
.profile-card,
.info-card,
.timeline-content {
    transition: all 0.3s ease-in-out;
    position: relative;
    top: 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Hover Efekti */
.skill-box:hover,
.project-card:hover,
.certificate-card:hover,
.contact-card:hover,
.profile-card:hover,
.info-card:hover,
.timeline-content:hover {
    top: -10px;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
    transform: translateY(-5px);
}

/* Proje Kartları için Özel Hover */
.project-card:hover .project-overlay {
    opacity: 1;
}

.project-card:hover .project-links {
    transform: translateY(0);
    opacity: 1;
}

/* Sertifika Kartları için Özel Hover */
.certificate-card:hover .certificate-inner {
    transform: rotateY(180deg);
}

/* Yetenek Kartları için Özel Hover */
.skill-box:hover .skill-icon {
    transform: scale(1.1);
    color: var(--primary-color);
}

.skill-box:hover .skill-tags span {
    background: var(--primary-color);
    color: white;
}

/* Timeline Kartları için Özel Hover */
.timeline-content:hover .timeline-dot {
    transform: scale(1.2);
    border-color: var(--primary-color);
}

.timeline-content:hover .education-tags span {
    background: var(--primary-color);
    color: white;
}

/* İletişim Kartı için Özel Hover */
.contact-card:hover .contact-item i {
    transform: scale(1.2);
    color: var(--primary-color);
}

/* Profil Kartı için Özel Hover */
.profile-card:hover .profile-image img {
    transform: scale(1.05);
}

.profile-card:hover .social-links a {
    transform: translateY(-5px);
}

/* Karanlık Mod için Hover Efektleri */
.dark-mode .skill-box:hover,
.dark-mode .project-card:hover,
.dark-mode .certificate-card:hover,
.dark-mode .contact-card:hover,
.dark-mode .profile-card:hover,
.dark-mode .info-card:hover,
.dark-mode .timeline-content:hover {
    box-shadow: 0 8px 15px rgba(255, 255, 255, 0.1);
}

/* Hover Animasyonları için Gerekli Transition'lar */
.skill-icon,
.skill-tags span,
.timeline-dot,
.education-tags span,
.contact-item i,
.profile-image img,
.social-links a {
    transition: all 0.3s ease-in-out;
}

/* Sosyal Medya İkonları için Hover */
.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-5px);
}

/* Eğitim Etiketleri için Hover */
.education-tags span:hover {
    transform: scale(1.1);
    cursor: default;
}

/* Yetenek Etiketleri için Hover */
.skill-tags span:hover {
    transform: scale(1.1);
    cursor: default;
}

/* Proje Kartı Görsel Hover Efekti */
.project-image {
    overflow: hidden;
}

.project-image img {
    transition: transform 0.5s ease;
}

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

/* Sertifika Kartı İkon Hover Efekti */
.certificate-icon i {
    transition: transform 0.3s ease;
}

.certificate-card:hover .certificate-icon i {
    transform: rotate(360deg);
}

/* İletişim Formu Input Hover Efekti */
.input-group input:hover,
.input-group textarea:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(var(--primary-color-rgb), 0.3);
}

/* Timeline Nokta Hover Efekti */
.timeline-dot img {
    transition: transform 0.3s ease;
}

.timeline-item:hover .timeline-dot img {
    transform: scale(1.1);
}

/* Profil Kartı Sosyal Medya Hover */
.profile-card .social-links a {
    transition: all 0.3s ease;
}

.profile-card .social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px) rotate(360deg);
}

/* Dark Mode Kartlar için Hover Efektleri */
.dark-mode .skill-box,
.dark-mode .project-card,
.dark-mode .certificate-card,
.dark-mode .contact-card,
.dark-mode .profile-card,
.dark-mode .info-card,
.dark-mode .timeline-content {
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease-in-out;
}

.dark-mode .skill-box:hover,
.dark-mode .project-card:hover,
.dark-mode .certificate-card:hover,
.dark-mode .contact-card:hover,
.dark-mode .profile-card:hover,
.dark-mode .info-card:hover,
.dark-mode .timeline-content:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.2),
                inset 0 0 20px rgba(var(--primary-rgb), 0.1);
    transform: translateY(-5px);
    background: rgba(30, 30, 30, 0.95);
}

/* Özel Hover Efektleri - Dark Mode */
.dark-mode .skill-box:hover .skill-icon,
.dark-mode .contact-card:hover .contact-item i {
    background: rgba(var(--primary-rgb), 0.2);
    color: var(--primary-color);
    transform: scale(1.1);
}

.dark-mode .project-card:hover .project-tags span,
.dark-mode .skill-box:hover .skill-tags span,
.dark-mode .timeline-content:hover .education-tags span {
    background: rgba(var(--primary-rgb), 0.2);
    color: var(--primary-color);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
}

.dark-mode .certificate-card:hover .certificate-front {
    border-color: var(--primary-color);
}

.dark-mode .profile-card:hover .social-links a {
    background: rgba(var(--primary-rgb), 0.2);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
}

.dark-mode .profile-card:hover .social-links a:hover {
    background: var(--primary-color);
    color: white;
}

/* Timeline için özel efekt */
.dark-mode .timeline-content:hover::before {
    border-color: var(--primary-color);
}

.dark-mode .timeline-dot {
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.dark-mode .timeline-content:hover .timeline-dot {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(var(--primary-rgb), 0.3);
}

/* Glow efekti için animasyon */
@keyframes glowBorder {
    0% {
        border-color: rgba(var(--primary-rgb), 0.3);
        box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.2);
    }
    50% {
        border-color: rgba(var(--primary-rgb), 0.5);
        box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.4);
    }
    100% {
        border-color: rgba(var(--primary-rgb), 0.3);
        box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.2);
    }
}

/* Hover durumunda glow animasyonu */
.dark-mode .skill-box:hover,
.dark-mode .project-card:hover,
.dark-mode .certificate-card:hover,
.dark-mode .contact-card:hover,
.dark-mode .profile-card:hover,
.dark-mode .info-card:hover,
.dark-mode .timeline-content:hover {
    animation: glowBorder 2s infinite;
}

.cv-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(80, 200, 120, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.cv-wrapper {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cv-wrapper:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.cv-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.cv-content p {
    color: #666;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 30px;
}

.cv-buttons .btn {
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.cv-buttons .btn-primary {
    background: var(--gradient-primary);
    color: white;
}

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

.cv-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

/* Dark Mode için CV Section */
.dark-mode .cv-section {
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.9) 0%, rgba(50, 50, 50, 0.9) 100%);
}

.dark-mode .cv-wrapper {
    background: rgba(30, 30, 30, 0.9);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.dark-mode .cv-wrapper:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.dark-mode .cv-content h2 {
    color: #ffffff;
}

.dark-mode .cv-content p {
    color: #a0a0a0;
}

.dark-mode .cv-buttons .btn-primary {
    background: var(--primary-color);
    color: #ffffff;
}

.dark-mode .cv-buttons .btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: #ffffff;
}

.dark-mode .cv-buttons .btn:hover {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.footer {
    background-color: var(--light-color);
    color: var(--dark-color);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #ddd;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.footer a {
    color: var(--primary-color);
    margin: 0 10px;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--accent-color);
}

.footer .social-links {
    margin-bottom: 1rem;
}

.footer .social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    background-color: var(--light-color);
    border-radius: 50%;
    color: var(--primary-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.footer .social-link:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
}

/* Dark Mode için Footer */
.dark-mode .footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    border-top: 1px solid var(--border-color);
}

.dark-mode .footer a {
    color: var(--light-color);
}

.dark-mode .footer a:hover {
    color: var(--primary-color);
}

.dark-mode .footer .social-link {
    background-color: var(--card-bg);
    color: var(--light-color);
}

.dark-mode .footer .social-link:hover {
    background-color: var(--primary-color);
    color: var(--dark-color);
}

.blog-post {
    background-color: var(--light-color);
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 2rem;
    padding: 1.5rem;
    transition: box-shadow 0.3s ease;
}

.blog-post:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.blog-post h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.blog-post p {
    font-size: 1rem;
    color: #666;
}

/* Unused classes */
.unused-class {
    /* This style is not used, can be removed */
}

.dark-mode .hero-section {
    filter: brightness(0.7) contrast(1.2); /* Dark mode brightness and contrast adjustment */
}

/* Updated styles for skill categories */
.skills-container .row {
    margin-bottom: -1.5rem;
}

.skill-category {
    height: 100%;
    padding: 1.8rem;
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
}

.category-header {
    margin-bottom: 1.2rem;
}

.category-header i {
    font-size: 1.8rem;
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
}

.skill-tag {
    padding: 0.5rem 1rem;
    margin: 0.3rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(80, 200, 120, 0.1) 100%);
    transition: all 0.3s ease;
    cursor: default;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .col-lg-3 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 576px) {
    .col-lg-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .skill-category {
        padding: 1.5rem;
    }
}

/* Navbar button color change on scroll */
.navbar.scrolled .nav-link {
    color: #333 !important;
}

/* Language toggle button styles */
#languageToggle {
    color: #fff; /* default white color */
    transition: color 0.3s ease;
}

/* Navbar button color change on scroll */
.navbar.scrolled #languageToggle {
    color: #333 !important;
}

/* Hover effect */
#languageToggle:hover {
    opacity: 0.8;
}

/* Language toggle button styles */
.navbar.scrolled #languageToggle {
    color: var(--dark-color) !important;
    padding: 0.8rem 1.2rem;
    border-radius: 5px;
}

.navbar.scrolled #languageToggle:hover {
    background-color: var(--primary-color);
    color: white !important;
}

/* Navbar styles on scroll and dark mode */
.dark-mode .navbar.scrolled {
    background: rgba(26, 26, 26, 0.95) !important;
}

.dark-mode .navbar.scrolled .nav-link {
    color: #fff !important;
    padding: 0.5rem 1rem !important; /* Keeping padding constant */
}

.dark-mode .navbar.scrolled .nav-link:hover {
    background-color: var(--primary-color);
    color: white !important;
}

/* Responsive menu styles for dark mode */
@media (max-width: 991.98px) {
    .dark-mode .navbar-collapse {
        background-color: rgba(26, 26, 26, 0.98);
    }

    .dark-mode .navbar-nav .nav-link {
        color: #fff !important;
        padding: 0.8rem 1.2rem;
    }

    .dark-mode #languageToggle {
        color: #fff !important;
        background-color: rgba(52, 152, 219, 0.2);
    }
}

/* Language toggle button styles for dark mode */
.dark-mode .navbar.scrolled #languageToggle {
    color: #fff !important; /* Text color white */
    background-color: rgba(52, 152, 219, 0.2); /* Light blue background */
    padding: 0.5rem 1rem;
    border-radius: 5px;
    opacity: 1;
}

.dark-mode .navbar.scrolled #languageToggle:hover {
    background-color: var(--primary-color);
    color: #fff !important;
    opacity: 1;
}

/* Language toggle button for responsive menu in dark mode */
@media (max-width: 991.98px) {
    .dark-mode .navbar.scrolled #languageToggle {
        width: 100%;
        text-align: left;
        padding: 0.8rem 1.2rem;
        margin-top: 0.5rem;
        background-color: rgba(52, 152, 219, 0.2);
        color: #fff !important;
    }
}