* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f4f4f4;
    line-height: 1.6;
    color: var(--text-color);
}

.modal-open {
    overflow: hidden; /* Modal açıkken arka planın kaymasını engeller */
}

:root {
    --primary-color: #f37021;    /* Peryön Turuncusu */
    --primary-dark: #d65a10;     /* Koyu Turuncu (Hover için) */
    --secondary-color: #2b3990;  /* Kurumsal Lacivert */
    --light-bg: #fdfdfd;         /* Sayfa Arka Planı */
    --footer-bg: #1a1a1a;        /* Çok koyu gri/siyah yerine yumuşak ton */
    --text-color: #333;
}

/* Genel Konteynır */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigasyon */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 10%;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-bottom: 3px solid var(--primary-color); /* Üstte ince bir turuncu çizgi */
}

.logo {
    font-weight: bold;
    font-size: 24px;
    color: #0056b3; /* Peryön mavisi tonu */
}

.logo img {
    height: 90px; /* Menü yüksekliğine göre bu değeri değiştirebilirsiniz */
    width: auto;  /* Orantıyı korur */
    display: block;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05); /* Üzerine gelince çok hafif büyüsün */
}

/* Mobil için gerekirse boyutu küçültelim */
@media (max-width: 768px) {
    .logo img {
        height: 40px;
    }
}

.nav-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
}

.nav-links li {
    margin-left: 25px;
    position: relative;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-links a:hover {
    color: var(--primary-color) !important;
}

/* Dropdown Menü Stilleri */
.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    min-width: 260px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    list-style: none;
    padding: 10px 0;
    z-index: 1000;
    border-top: 3px solid var(--primary-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content li {
    margin: 0 !important;
}

.dropdown-content li a {
    padding: 12px 20px;
    font-size: 0.9rem;
    font-weight: 400;
    color: #444;
    display: block;
}

.dropdown-content li a:hover {
    background-color: #f8f9fa;
    padding-left: 25px;
}

/* Hero Bölümü */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://via.placeholder.com/1920x1080') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.btn-primary {
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.3s;
}

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

/* Haberler Bölümü Genel */
.news-section {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: #333;
    margin-bottom: 40px;
    position: relative;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 80vh;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slider {
    width: 100%;
    height: 100%;
}

.slide-content {
    max-width: 850px;
    padding: 0 20px;
}

.slide-content h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    font-weight: 700;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease 0.2s;
}

.slide-content p {
    font-size: 1.25rem;
    margin-bottom: 35px;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease 0.4s;
}

.slide-content .btn-primary {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease 0.6s;
}

.slide.active h1,
.slide.active p,
.slide.active .btn-primary {
    opacity: 1;
    transform: translateY(0);
}

/* Ok Butonları */
.prev-btn, .next-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 15px;
    cursor: pointer;
    font-size: 1.5rem;
    transition: 0.3s;
    z-index: 10;
}

.prev-btn:hover, .next-btn:hover { background: var(--secondary-color); }
.prev-btn { left: 20px; border-radius: 50%; }
.next-btn { right: 20px; border-radius: 50%; }

/* Başlığın altına küçük bir çizgi çekelim, kurumsal durur */
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 10px auto;
}

/* Kartların Izgara Düzeni */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 sütunlu yapı */
    gap: 30px;
}

/* Kart Stili */
.news-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.news-card:hover {
    transform: translateY(-10px); /* Üzerine gelince hafif yükselme efekti */
}

.news-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-date {
    font-size: 0.85rem;
    color: #888;
    display: block;
    margin-bottom: 10px;
}

.news-content h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: #222;
}

.news-content p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.news-detail {
    max-width: 800px;
    margin: 50px auto;
    padding: 0 20px;
}

.news-detail img, #detail-img {
    width: 100%;
    max-height: 450px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    display: block;
}

.news-detail h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 15px;
}

.news-detail #news-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    white-space: pre-wrap; /* Admin tarafından girilen satır sonlarını korur */
}

#detail-title:empty::before {
    content: "Haber Yükleniyor veya Bulunamadı";
    color: #ccc;
    font-style: italic;
}

.read-more {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.9rem;
}

.read-more:hover {
    text-decoration: underline;
}

/* Footer Genel */
.site-footer {
    background-color: #f8f9fa; /* Açık gri arka plan */
    border-top: 5px solid var(--primary-color); /* Üstte kalın turuncu şerit */
    color: #444;
    padding: 60px 10% 20px;
    margin-top: 50px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    max-width: 80%;
    margin: 0 auto;
    flex-wrap: wrap; /* Küçük ekranlarda kaymasın diye */
}

footer h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-col {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
    padding: 0 15px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

/* Başlıkların altına ince çizgi */
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #555;
    text-decoration: none;
    transition: 0.3s;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-col p {
    color: #bbb;
    line-height: 1.6;
    margin-bottom: 10px;
}

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

.footer-bottom {
    border-top: 1px solid #ddd;
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: #888;
}

/* Sosyal Medya İkonları */
.footer-social a {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 1.3rem;
    transition: 0.3s;
}

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

/* Etkinlikler Bölümü */
.events-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.event-item {
    display: flex;
    align-items: center;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: 0.3s;
}

.event-item:hover {
    border-left: 5px solid var(--primary-color);
    transform: translateX(10px);
}

/* Tarih Kutusu */
.event-date {
    background: var(--primary-color);
    color: white;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    min-width: 80px;
    margin-right: 25px;
}

.event-date .day {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
}

.event-date .month {
    font-size: 0.8rem;
    text-transform: uppercase;
}

/* Bilgi Alanı */
.event-info {
    flex-grow: 1;
}

.event-info h3 {
    margin-bottom: 8px;
    color: #333;
}

.event-info p {
    color: #777;
    font-size: 0.9rem;
}

.event-info i {
    color: var(--primary-color);
    margin-right: 5px;
}

/* Buton */
.btn-outline {
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: 0.3s;
}

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

/* İletişim Sayfası Başlığı */
.contact-header {
    background: var(--primary-color);
    color: white;
    text-align: center;
    padding: 60px 10%;
}

.contact-container {
    display: flex;
    gap: 50px;
    padding: 60px 10%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Form Tasarımı */
.contact-form {
    flex: 2;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-form h3 { margin-bottom: 25px; color: #333; }

.input-group { margin-bottom: 15px; }

.input-group input, .input-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

/* Bilgi Kutuları ve Harita */
.contact-info { flex: 1; }

.info-box {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.info-box i {
    font-size: 1.5rem;
    color: #0056b3;
    margin-right: 15px;
    margin-top: 5px;
}

.map-wrapper {
    border-radius: 10px;
    overflow: hidden;
    margin-top: 20px;
}

/* Hakkımızda Hero */
.about-hero {
    background: linear-gradient(var(--primary-color), var(--primary-color)), url('https://via.placeholder.com/1920x400');
    color: white;
    text-align: center;
    padding: 80px 10%;
}

.about-content {
    padding: 60px 10%;
    line-height: 1.8;
    color: #444;
}

.about-text {
    max-width: 1000px;
    margin: 0 auto;
    text-align: left;
}

.about-text h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Yönetim Kurulu Tasarımı */
.team-section {
    padding: 60px 10%;
    background: #f4f4f4;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.team-card {
    background: white;
    padding: 20px;
    text-align: center;
    border-radius: 10px;
    transition: 0.3s;
}

.team-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.team-card img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 3px solid var(--primary-color);
}

.team-card h4 {
    color: #333;
    margin-bottom: 5px;
}

.team-card span {
    color: #888;
    font-size: 0.9rem;
}

.management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.member-card {
    background: #fff;
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: 0.3s;
}

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

.member-image img {
    width: 150px;
    height: 150px;
    border-radius: 50%; /* Resimleri yuvarlak yapar */
    object-fit: cover;
    border: 4px solid #f0f4f8;
    margin-bottom: 15px;
}

.member-info h3 {
    margin-bottom: 5px;
    color: #333;
}

.member-info .role {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.member-social a {
    color: #0077b5; /* LinkedIn Mavisi */
    font-size: 1.2rem;
}

/* Sayfa Banner */
.page-banner {
    background: var(--primary-color);
    color: white;
    text-align: center;
    padding: 80px 10%;
}

/* Filtreleme Butonları */
.filter-section {
    padding: 30px 10%;
    text-align: center;
}

.filter-bar {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.3s;
}

.filter-btn.active, .filter-btn:hover {
    background: #0056b3;
    color: white;
    border-color: #0056b3;
}

/* Etkinlik Kartları V2 (Grid) */
.events-grid-section {
    padding: 40px 10% 80px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.event-card-v2 {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    position: relative;
    transition: opacity 0.4s ease;
}

.event-card-v2:hover { transform: translateY(-5px); }

/* Etkinlik Detay Sayfası Tasarımı */
.event-detail-image-wrapper {
    position: relative;
    margin-bottom: 30px;
}

.event-detail-desc {
    margin-bottom: 40px; /* Metin ile butonlar arasına boşluk ekledik */
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
    white-space: pre-wrap;
}

.event-detail-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    padding-top: 25px;
    border-top: 1px solid #eee;
    margin-bottom: 50px;
}

/* Üyelik Başvuru Kartları */
.membership-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.membership-card {
    background: #fff;
    padding: 50px 30px;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.membership-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.membership-card i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.membership-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.membership-card p {
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
    min-height: 60px;
}

/* --- YÜKLEME VE ANİMASYONLAR --- */
.loader {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
    grid-column: 1 / -1; /* Grid yapılarda tam genişlik kaplaması için */
    width: 100%;
}

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

.fade-in {
    animation: fadeIn 0.5s ease-in forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Buton Yükleme Durumu */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Form Doğrulama Stilleri */
.admin-form input.invalid,
.admin-form select.invalid,
.admin-form textarea.invalid,
.login-card input.invalid {
    border-color: #dc3545; /* Kırmızı kenarlık */
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Dashboard Kartları */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.dashboard-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.dashboard-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: block;
}

.dashboard-card h3 {
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.dashboard-card p {
    font-size: 0.9rem;
    color: #666;
}

/* Admin & Login Stilleri */
.admin-container {
    padding: 100px 10%;
    min-height: 80vh;
}

.login-card {
    max-width: 400px;
    margin: 100px auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    text-align: center;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.admin-table th, .admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.admin-table th {
    background-color: var(--secondary-color);
    color: white;
}

.btn-add {
    background-color: #28a745;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 20px;
}

.btn-edit { background-color: #ffc107; color: #333; margin-right: 5px; }
.btn-delete { background-color: #dc3545; color: white; }
.btn-admin-action {
    padding: 5px 10px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

/* Modal Stili */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    overflow-y: auto; /* İçerik taşarsa dikey kaydırma çubuğu ekler */
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    width: 50%;
    border-radius: 10px;
}

.admin-form input, .admin-form select, .admin-form textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.admin-form-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

@media (max-width: 768px) {
    .modal-content { width: 90%; }
    .admin-table thead { display: none; }
    .admin-table td { display: block; text-align: right; }
}

/* Admin Sayfaları Mobil Uyumluluk */
@media (max-width: 768px) {
    .admin-container { padding: 50px 5%; }
    .admin-page-nav-link { margin: 5px 0; display: block; }
    .admin-form-actions { flex-direction: column; gap: 5px; }
    .admin-form-actions button { width: 100%; }
    .admin-modal-content { width: 95%; margin: 20px auto; }
}

.event-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #28a745;
    color: white;
    padding: 5px 12px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: bold;
    z-index: 5;
}

.event-badge.purple { background: #6f42c1; }
.event-badge.gold { background: #ffc107; color: #333; }
.event-badge.teal { background: #17a2b8; }

.event-card-v2 img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.event-card-body { padding: 20px; }

.event-meta {
    font-size: 0.85rem;
    color: #777;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
}

.btn-primary-sm {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 18px;
    background: #0056b3;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Kaydırma çubuğu genişliği */
::-webkit-scrollbar {
    width: 10px;
}

/* Arka planı */
::-webkit-scrollbar-track {
    background: #f1f1f1;
}

/* Hareket eden parça */
::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

/* Üzerine gelince renk değişimi */
::-webkit-scrollbar-thumb:hover {
    background: #003d7a;
}

/* --- MOBİL UYUMLULUK (RESPONSIVE) --- */

/* Tablet ve Küçük Ekranlar (992px altı) */
@media (max-width: 992px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr); /* Haberleri 3 yerine 2 sütuna düşür */
    }
    
    .footer-container {
        max-width: 90%;
    }
}

/* Cep Telefonları (768px altı) */
@media (max-width: 768px) {
    /* Menüyü dikey yapalım */
    .navbar {
        flex-direction: column;
        padding: 15px;
    }

    .nav-links {
        margin-top: 20px;
    }

    .nav-links li {
        margin: 0 10px;
    }
    .nav-link-highlight {
        font-size: 0.9rem; /* Mobil menüde çok büyük durmaması için */
        padding: 5px 10px; /* Buton gibi görünüm için */
    }

    /* Hero (Giriş) Yazılarını Küçültelim */
    .hero-content h1 {
        font-size: 2rem;
    }

    /* Haberleri Tek Sütun Yapalım */
    .news-grid {
        grid-template-columns: 1fr;
    }
    .news-detail-section .container {
        padding: 0 15px; /* Detay sayfasında kenar boşlukları */
    }
    .news-detail #news-text { font-size: 1rem; }

    .news-detail img {
        max-height: 250px;
        aspect-ratio: 16 / 9;
    }

    .slider-container { height: 60vh; }
    .slide-content h1 { font-size: 2.2rem; }
    .slide-content p { font-size: 1rem; margin-bottom: 20px; }
    .prev-btn, .next-btn { padding: 10px; font-size: 1.2rem; }

    /* Footer Sütunlarını Alt Alta Dizelim */
    .footer-col {
        flex: 100%;
        text-align: center;
        margin-bottom: 40px;
    }
    .footer-col h4::after {
        left: 50%;
        transform: translateX(-50%); /* Çizgiyi ortala */
    }

    /* İletişim Sayfası */
    .contact-container {
        flex-direction: column;
        padding: 30px 5%;
    }
    .contact-info { margin-top: 30px; }

    /* Hakkımızda Sayfası */
    .about-content { padding: 30px 5%; }
    .about-text h2 { font-size: 1.8rem; }

    /* Yönetim Kurulu */
    .management-grid {
        grid-template-columns: 1fr; /* Tek sütun */
    }

    /* Etkinlikler Sayfası */
    .events-grid-section { padding: 20px 5%; }
    .grid-container { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; gap: 10px; }
    .filter-btn { width: 100%; }

    /* Üyelik Başvuru */
    .membership-options-grid { grid-template-columns: 1fr; }
}

/* Sponsorlar Bölümü */
.sponsors-section {
    padding: 60px 0;
    background-color: #f8f8f8;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    justify-items: center; /* Logoları ortala */
    align-items: center;
    margin-top: 40px;
}

.sponsor-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-color);
    width: 100%; /* Grid içinde tam genişlik */
    min-height: 150px; /* Minimum yükseklik */
}

.sponsor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.sponsor-card img {
    max-width: 120px;
    max-height: 70px;
    object-fit: contain;
    margin-bottom: 10px;
}

.sponsor-card p {
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-align: center;
}