/* Genel Stiller */
:root {
    --bg-primary: #0a192f;
    --bg-secondary: #112240;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --accent-color: #64ffda;
    --shadow-color: rgba(0, 0, 0, 0.2);
    --border-color: rgba(100, 255, 218, 0.1);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --text-primary: #2c3e50;
    --text-secondary: #666666;
    --accent-color: #3498db;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --border-color: rgba(52, 152, 219, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navigasyon */
nav {
    position: fixed;
    width: 100%;
    background-color: rgba(var(--bg-primary), 0.85);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow-color);
    z-index: 1000;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-left: auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(var(--accent-color), 0.3);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

/* Tema Değiştirme Butonu */
.theme-toggle {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    margin-right: 1rem;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle i {
    position: absolute;
    font-size: 1.2rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.theme-toggle .fa-sun {
    opacity: 0;
    transform: rotate(180deg);
}

.theme-toggle .fa-moon {
    opacity: 1;
    transform: rotate(0);
}

[data-theme="light"] .theme-toggle .fa-sun {
    opacity: 1;
    transform: rotate(0);
}

[data-theme="light"] .theme-toggle .fa-moon {
    opacity: 0;
    transform: rotate(-180deg);
}

/* Dil Değiştirme Butonu */
.language-toggle {
    display: flex;
    gap: 0.5rem;
    margin-right: 1rem;
}

.lang-btn {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-btn img {
    width: 20px;
    height: 15px;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    transform: scale(1.1);
}

.lang-btn.active {
    background-color: var(--bg-secondary);
    box-shadow: 0 0 10px var(--shadow-color);
}

/* Hero Bölümü */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    text-align: center;
    padding: 0 1rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(100, 255, 218, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
    text-shadow: 0 0 20px rgba(var(--accent-color), 0.3);
}

.hero-content p {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-links a {
    color: var(--accent-color);
    font-size: 1.8rem;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(var(--accent-color), 0.3);
}

.social-links a:hover {
    transform: translateY(-5px) scale(1.1);
    color: var(--text-primary);
}

/* Bölüm Stilleri */
section {
    padding: 8rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 4rem;
    font-size: 2.8rem;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

/* Hakkımda Bölümü */
.about-content {
    background-color: var(--bg-secondary);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

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

/* Eğitim Bölümü */
.education-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.education-item {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

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

.education-item h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

/* Yetenekler Bölümü */
.skills-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

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

.skill-category h3 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-primary);
}

.skill-category li::before {
    content: "▹";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}


/* İletişim Bölümü */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 2rem;
}

input, textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(var(--accent-color), 0.2);
}

textarea {
    height: 150px;
    resize: vertical;
}

button {
    background-color: transparent;
    color: var(--accent-color);
    padding: 1rem 2.5rem;
    border: 2px solid var(--accent-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

button:hover {
    background-color: rgba(var(--accent-color), 0.1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--accent-color), 0.2);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}

/* Projeler Bölümü */
.projects-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    padding: 1rem;
}

.project-card {
    background-color: var(--bg-secondary);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(var(--accent-color), 0.2);
}

.project-image {
    width: 100%;
    height: auto;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

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

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

.project-info {
    padding: 2rem;
}

.project-info h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    background-color: rgba(var(--accent-color), 0.1);
    color: var(--accent-color);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.project-link i {
    font-size: 1.2rem;
}

/* Hamburger Menü */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--accent-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.3s ease;
        z-index: 1000;
        padding: 2rem;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        opacity: 0;
        transform: translateX(50px);
        transition: all 0.3s ease;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links li:nth-child(2) { transition-delay: 0.2s; }
    .nav-links li:nth-child(3) { transition-delay: 0.3s; }
    .nav-links li:nth-child(4) { transition-delay: 0.4s; }
    .nav-links li:nth-child(5) { transition-delay: 0.5s; }
    .nav-links li:nth-child(6) { transition-delay: 0.6s; }

    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.5rem;
    }
    
    section {
        padding: 4rem 1rem;
    }

    .about-content, .education-item, .skill-category {
        padding: 1.5rem;
    }

    .projects-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .project-info {
        padding: 1.5rem;
    }

    .project-image {
        height: 180px;
    }

    .project-tech {
        gap: 0.5rem;
    }

    .project-tech span {
        font-size: 0.8rem;
        padding: 0.3rem 0.8rem;
    }

    .contact-content {
        padding: 0 1rem;
    }

    input, textarea {
        padding: 0.8rem;
        font-size: 0.9rem;
    }

    button {
        width: 100%;
        padding: 0.8rem;
    }

    .nav-right {
        margin-left: 0;
    }
    
    .theme-toggle {
        margin-right: 0.5rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }

    h2 {
        font-size: 2rem;
        margin-bottom: 3rem;
    }

    .social-links {
        gap: 1.5rem;
    }

    .social-links a {
        font-size: 1.5rem;
    }
}

.carousel {
    border-radius: 15px 15px 0 0;
    overflow: hidden;
}

.carousel-item {
    height: 200px;
}

.carousel-item img {
    height: 100%;
    object-fit: cover;
}

.carousel-indicators {
    margin-bottom: 0.5rem;
}

.carousel-indicators [data-bs-target] {
    background-color: var(--accent-color);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin: 0 4px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding: 20px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    overflow: auto;
    cursor: pointer;
}

.modal-content {
    display: block;
    margin: auto;
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    animation: zoom 0.3s ease;
}

.modal-close {
    position: absolute;
    right: 35px;
    top: 15px;
    color: var(--text-primary);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
}

@keyframes zoom {
    from {transform: scale(0)}
    to {transform: scale(1)}
}