/* ===== GENEL STİLLER ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Açık Tema Renkleri - REVİZE EDİLDİ */
    --primary-color: #0056b3;
    --secondary-color: #007bff;
    --accent-color: #00a8ff;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --light-gray: #e9ecef;
    --white: #ffffff;
    --footer-bg: #0d1b2a;
    --footer-text: #e0e1dd;
    --card-bg: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* Koyu Tema Renkleri - REVİZE EDİLDİ */
body.dark-mode {
    --primary-color: #4dabf7;
    --secondary-color: #339af0;
    --accent-color: #1c7ed6;
    --dark-color: #f8f9fa;
    --light-color: #121212;
    --gray-color: #adb5bd;
    --light-gray: #2d2d2d;
    --white: #1e1e1e;
    --footer-bg: #0a0a0a;
    --footer-text: #e0e0e0;
    --card-bg: #252525;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--dark-color);
    background-color: var(--light-color);
    line-height: 1.6;
    transition: var(--transition);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

/* ===== HEADER STİLLERİ ===== */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-color);
}

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

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

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    font-size: 16px;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.nav-menu a i {
    margin-right: 8px;
    font-size: 18px;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark-color);
    cursor: pointer;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle {
    font-size: 20px;
    color: var(--dark-color);
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--primary-color);
}

.language-switcher {
    display: flex;
    background-color: var(--light-gray);
    border-radius: 20px;
    padding: 3px;
}

.lang-btn {
    padding: 6px 15px;
    border: none;
    background: none;
    border-radius: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn.active {
    background-color: var(--primary-color);
    color: white;
}

/* ===== HERO STİLLERİ ===== */
.hero {
    height: 90vh;
    min-height: 600px;
    background: url('images/YKGH.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    position: relative;
    color: white;
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* ===== SAYFA BAŞLIKLARI ===== */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 100px 0 60px;
    margin-top: 70px;
    text-align: center;
}

.page-title {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
}

/* ===== BÖLÜM BAŞLIKLARI ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-color);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== HİZMETLER STİLLERİ ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-card p {
    color: var(--gray-color);
}

/* ===== İSTATİSTİKLER STİLLERİ ===== */
.stats {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-text {
    font-size: 18px;
    opacity: 0.9;
}

/* ===== VİZYON BÖLÜMÜ ===== */
.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.vision-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* ===== HAKKIMIZDA STİLLERİ ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.mission-vision {
    margin-top: 30px;
}

.mission, .vision {
    margin-bottom: 30px;
}

.mission h3, .vision h3 {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.mission h3 i, .vision h3 i {
    margin-right: 10px;
    font-size: 24px;
}

/* ===== DEĞERLER STİLLERİ ===== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.value-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.value-card p {
    color: var(--gray-color);
}

/* ===== FAALİYETLER STİLLERİ ===== */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.activity-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.activity-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.activity-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.activity-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.activity-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 86, 179, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.activity-overlay i {
    font-size: 50px;
    color: white;
}

.activity-content {
    padding: 25px;
}

.activity-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.activity-content p {
    color: var(--gray-color);
    margin-bottom: 15px;
}

.activity-list {
    list-style: none;
}

.activity-list li {
    padding: 5px 0;
    color: var(--gray-color);
    position: relative;
    padding-left: 20px;
}

.activity-list li:before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* ===== PROJE SLİDER STİLLERİ ===== */
.projects-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-slide {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.project-info p {
    color: var(--gray-color);
    margin-bottom: 15px;
}

.project-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.status.completed {
    background-color: #d4edda;
    color: #155724;
}

.status.ongoing {
    background-color: #fff3cd;
    color: #856404;
}

.project-year {
    color: var(--gray-color);
    font-weight: 600;
}

/* ===== YÖNETİM STİLLERİ ===== */
.management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.management-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.management-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.member-photo {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-social {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    padding: 10px;
    transform: translateY(100%);
    transition: var(--transition);
}

.management-card:hover .member-social {
    transform: translateY(0);
}

.member-social a {
    color: white;
    font-size: 18px;
    margin: 0 10px;
    transition: var(--transition);
}

.member-social a:hover {
    color: var(--primary-color);
}

.member-info {
    padding: 25px;
}

.member-info h3 {
    font-size: 22px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.member-position {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.member-bio {
    color: var(--gray-color);
    margin-bottom: 15px;
}

.member-contact p {
    color: var(--gray-color);
    font-size: 14px;
    display: flex;
    align-items: center;
}

.member-contact i {
    margin-right: 10px;
    color: var(--primary-color);
}

/* ===== DANIŞMA KURULU STİLLERİ ===== */
.advisory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.advisor-card {
    text-align: center;
}

.advisor-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 15px;
    border: 5px solid var(--light-gray);
}

.advisor-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.advisor-card h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.advisor-title {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
}

/* ===== İLETİŞİM STİLLERİ ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

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

.contact-item {
    display: flex;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 20px;
}

.contact-text h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.social-contact {
    margin-top: 30px;
}

.social-contact h4 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--light-gray);
    color: var(--dark-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
}

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

/* ===== İLETİŞİM FORM STİLLERİ ===== */
.contact-form-container {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-form-container h2 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

.contact-form-container p {
    color: var(--gray-color);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    background-color: var(--light-color);
    color: var(--dark-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

/* ===== HARİTA BÖLÜMÜ ===== */
.map-section {
    margin-bottom: 60px;
}

.map-section h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.map-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-placeholder {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--card-bg);
}

.map-info {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.map-info h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.map-info p {
    color: var(--gray-color);
    margin-bottom: 20px;
}

.map-address p {
    display: flex;
    align-items: center;
}

.map-address i {
    color: var(--primary-color);
    margin-right: 10px;
}

.map-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== SSS STİLLERİ ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background-color: var(--card-bg);
}

.faq-question h3 {
    font-size: 18px;
    margin-right: 15px;
    color: var(--dark-color);
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-answer p {
    padding-bottom: 20px;
    color: var(--gray-color);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* ===== FOOTER STİLLERİ - TAMAMEN REVİZE EDİLDİ ===== */
.footer {
    background-color: var(--footer-bg) !important;
    color: var(--footer-text) !important;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col {
    background-color: transparent !important;
    padding: 0;
}

.footer-logo {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 700;
    color: var(--footer-text) !important;
}

.footer-logo span {
    color: var(--accent-color) !important;
}

.footer-col p {
    opacity: 0.8;
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--footer-text) !important;
    background-color: transparent !important;
}

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    color: var(--footer-text) !important;
    background-color: transparent !important;
}

.footer-col h4:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color) !important;
}

.footer-col ul {
    list-style: none;
    background-color: transparent !important;
}

.footer-col ul li {
    margin-bottom: 10px;
    background-color: transparent !important;
}

.footer-col ul li a {
    color: var(--footer-text) !important;
    opacity: 0.8;
    text-decoration: none;
    transition: var(--transition);
    background-color: transparent !important;
}

.footer-col ul li a:hover {
    color: var(--accent-color) !important;
    opacity: 1;
    padding-left: 5px;
}

.contact-info {
    background-color: transparent !important;
}

.contact-info li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    background-color: transparent !important;
}

.contact-info i {
    margin-right: 10px;
    color: var(--accent-color) !important;
    width: 20px;
    background-color: transparent !important;
}

.contact-info span {
    color: var(--footer-text) !important;
    opacity: 0.8;
    background-color: transparent !important;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    background-color: transparent !important;
}

.newsletter-form input {
    padding: 12px 15px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    margin-bottom: 10px;
    font-family: 'Open Sans', sans-serif;
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: var(--footer-text) !important;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7) !important;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

.footer-bottom p {
    color: var(--footer-text) !important;
    background-color: transparent !important;
}

/* Footer'daki sosyal medya ikonları */
.footer .social-links a {
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: var(--footer-text) !important;
}

.footer .social-links a:hover {
    background-color: var(--accent-color) !important;
    color: white !important;
}

/* ===== RESPONSIVE STİLLER ===== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 40px;
    }
    
    .vision-content,
    .about-grid,
    .contact-grid,
    .map-placeholder {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .vision-image,
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow);
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu ul {
        flex-direction: column;
    }
    
    .nav-menu li {
        margin: 0 0 15px 0;
    }
    
    .hero {
        height: 70vh;
        min-height: 500px;
        margin-top: 60px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .page-title {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 30px;
    }
    
    .section-padding {
        padding: 60px 0;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .page-title {
        font-size: 30px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}