/* 19 Mayıs Engiz Spor Kulübü - Modern CSS Stilleri */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --primary: #d32f2f; /* Canlı modern kırmızı */
    --primary-hover: #b71c1c;
    --dark: #1a1a1a; /* Koyu antrasit */
    --light-bg: #f8f9fa; /* Hafif gri arka plan */
    --white: #ffffff;
    --text-dark: #2d2d2d;
    --text-muted: #666666;
    --border-color: #e0e0e0;
    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

body {
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Scrollbar Özelleştirme */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* Üst Bilgi Barı (Top Bar) */
.top-bar {
    background-color: var(--dark);
    color: var(--white);
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 2px solid var(--primary);
}

.top-bar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.top-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.top-info span i {
    color: var(--primary);
    margin-right: 6px;
}

.top-socials a {
    margin-left: 15px;
    font-size: 1rem;
    color: #ccc;
}

.top-socials a:hover {
    color: var(--primary);
}

/* Navigasyon Barı (Header) */
header {
    background-color: rgba(255, 255, 255, 0.98);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.nav-container {
    max-width: 1480px; /* Logoyu daha sola, menüyü daha sağa almak için genişletildi */
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 25px;
}

/* Header Sosyal Medya İkonları */
.header-socials {
    display: flex;
    gap: 18px;
    margin-left: 30px;
    margin-right: auto; /* Menüyü sağa itmek için auto margin kullanıldı */
    align-items: center;
}

.header-socials a {
    font-size: 1.15rem;
    transition: var(--transition);
}

.header-socials a.fb { color: #3b5998; }
.header-socials a.ig { color: #e1306c; }
.header-socials a.tt { color: #000000; }
.header-socials a.yt { color: #ff0000; }

.header-socials a:hover {
    transform: translateY(-2px) scale(1.12);
    opacity: 0.8;
}

@media (max-width: 900px) {
    .header-socials {
        display: none; /* Mobilde dar ekranda kalabalık yapmaması için gizlendi */
    }
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.header-logo-img {
    height: 56px; /* Logo 48px'den 56px'e büyütüldü */
    width: auto;
    object-fit: contain;
    border-radius: 4px;
}

.logo-text h1 {
    font-size: 1.15rem; /* Logo başlığı büyütüldü */
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.logo-text h1 span {
    color: var(--primary);
}

.logo-text p {
    font-size: 0.7rem; /* Alt yazı boyutu büyütüldü */
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav {
    display: flex;
    align-items: center;
}

nav ul {
    display: flex;
    gap: 2px;
    align-items: center;
}

nav ul li {
    display: flex;
    align-items: center;
    position: relative; /* Dropdown için relative konumlandırma */
}

nav ul a {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.74rem;
    padding: 8px 8px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    transition: var(--transition);
}

nav ul a i {
    color: var(--primary);
    font-size: 0.82rem;
}

nav ul a:hover, nav ul li.active a {
    color: var(--primary);
    background-color: rgba(211, 47, 47, 0.05);
}

/* Dropdown Menü (Açılır Menü Stilleri) */
.dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    border-top: 3px solid var(--primary);
    border-radius: 0 0 6px 6px;
    min-width: 170px;
    z-index: 1001;
    padding: 10px 0;
    flex-direction: column;
}

.dropdown li {
    width: 100%;
    display: block;
}

.dropdown li a {
    padding: 10px 15px;
    width: 100%;
    display: flex;
    justify-content: flex-start;
    font-size: 0.74rem;
    text-transform: uppercase;
    border-radius: 0;
}

.dropdown li a:hover {
    background-color: var(--light-bg);
    color: var(--primary);
}

nav ul li:hover .dropdown {
    display: flex;
}

/* Menü Toggle (Mobil) */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

/* Kahraman Giriş Alanı (Hero Banner) - Trafik Tasarruflu Fotoğraflı Arka Plan */
/* Kahraman Giriş Alanı (Hero Slider) - Trafik Tasarruflu Slider Düzeni */
.hero {
    position: relative;
    height: 70vh;
    min-height: 450px;
    overflow: hidden;
    color: var(--white);
    text-align: center;
    background: #000;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: contain; /* Görsellerin hiçbir şekilde kesilmemesi için contain yapıldı */
    background-repeat: no-repeat;
    background-position: center;
    background-color: #ffffff; /* Kenarların siyah yerine beyaz görünmesi için beyaz yapıldı */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent; /* Kenarların beyaz kalabilmesi için karartma kaldırıldı */
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 750px;
    padding: 35px 40px;
    background: rgba(0, 0, 0, 0.72); /* Beyaz zeminde yazıların tam okunması için yarı şeffaf koyu panel */
    border-radius: 12px;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transform: translateY(20px);
    transition: transform 0.8s ease;
}

.hero-slide.active .hero-content {
    transform: translateY(0);
}

.hero-badge {
    background-color: var(--primary);
    color: var(--white);
    padding: 6px 16px;
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 50px;
    display: inline-block;
    margin-bottom: 20px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    text-transform: uppercase;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero-content h2 span {
    color: var(--primary);
}

.hero-content p {
    font-size: 1.15rem;
    margin-bottom: 30px;
    color: #e0e0e0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Slider Okları */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.4);
    border: none;
    color: var(--white);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.slider-arrow:hover {
    background-color: var(--primary);
}

.prev-arrow {
    left: 20px;
}

.next-arrow {
    right: 20px;
}

/* Slider Noktaları */
.slider-dots {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dots .dot.active, .slider-dots .dot:hover {
    background-color: var(--primary);
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .slider-arrow {
        display: none; /* Mobilde okları gizle */
    }
}

/* Genel Buton Stilleri */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 5px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(211, 47, 47, 0.3);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--white);
    color: var(--white);
    margin-left: 15px;
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--dark);
    transform: translateY(-2px);
}

/* Bölüm Tasarımları (Sections) */
section {
    padding: 80px 20px;
}

.section-bg {
    background-color: var(--light-bg);
}

.section-title-wrapper {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 50px auto;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Hakkımızda / Başkanımız Alanı */
.about-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-content h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark);
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.badge-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.badge-item span {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Hakkımızda Medya */
.about-media {
    display: flex;
    justify-content: center;
    align-items: center;
}
.about-media img {
    border-radius: 12px;
    box-shadow: var(--shadow);
    width: 100%;
    max-height: 550px;
    object-fit: contain;
    background-color: #000; /* Koyu arka plan ile broşür sınırları netleşir */
    border: 6px solid var(--light-bg);
}

/* Başkanımızın Mesajı Özel Kart */
.president-card {
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 40px;
    border-top: 4px solid var(--primary);
    display: flex;
    gap: 30px;
    align-items: center;
}

.president-img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--light-bg);
}

.president-text blockquote {
    font-style: italic;
    font-size: 1.05rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.president-name {
    font-weight: 700;
    color: var(--dark);
}

.president-title {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

/* Spor Branşları (Branches) Kart Tasarımları */
.branches-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.branch-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.branch-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-bottom-color: var(--primary);
}

.branch-icon-wrapper {
    width: 70px;
    height: 70px;
    background-color: rgba(211, 47, 47, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 2rem;
    margin: 0 auto 20px auto;
    transition: var(--transition);
}

.branch-card:hover .branch-icon-wrapper {
    background-color: var(--primary);
    color: var(--white);
}

.branch-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.branch-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
}

/* Haberler ve Duyurular (Mobil Uyumlu minmax-280px) */
.news-container {
    max-width: 1200px;
    margin: 0 auto;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* 350px'den 280px'e düşürülerek mobilde ekran dışına taşması engellendi */
    gap: 30px;
}

.news-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.news-img-wrapper {
    position: relative;
    height: auto; /* Fotoğrafların kesilmemesi için sabit yükseklik kaldırıldı */
    overflow: hidden;
    background-color: #f8f9fa;
}

.news-img-wrapper img {
    width: 100%;
    height: auto; /* Resmin tamamının orijinal haliyle görünmesi sağlandı */
    display: block;
    transition: var(--transition);
}

.news-card:hover .news-img-wrapper img {
    transform: scale(1.05);
}

.news-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 3px;
    text-transform: uppercase;
}

.news-body {
    padding: 25px;
}

.news-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.news-meta span {
    margin-right: 15px;
}

.news-body h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.35;
}

.news-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.news-link {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
}

/* Duyurular Bölümü (Pano / Bulletin Board) */
.announcements-board {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.announcement-item {
    background-color: var(--white);
    border-left: 5px solid var(--primary);
    border-radius: 0 8px 8px 0;
    padding: 25px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition);
}

.announcement-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-hover);
}

.announcement-icon-box {
    width: 50px;
    height: 50px;
    background-color: rgba(211, 47, 47, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.announcement-content h4 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.announcement-content p {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.announcement-date {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
}

/* Etkinlikler Zaman Çizelgesi */
.timeline-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--border-color);
    left: 50%;
    transform: translateX(-50%);
}

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

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-badge {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--primary);
    border: 4px solid var(--white);
    top: 10px;
    z-index: 10;
}

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

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

.timeline-panel {
    background-color: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 5px;
}

.timeline-panel h4 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.timeline-panel p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Medya Galerisi */
.gallery-container {
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.gallery-tab-btn {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    padding: 8px 25px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-tab-btn.active, .gallery-tab-btn:hover {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow);
    cursor: pointer;
    background-color: #000;
}

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

.gallery-item:hover img {
    transform: scale(1.05);
    opacity: 0.7;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(211, 47, 47, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    z-index: 5;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    font-size: 2rem;
    color: var(--white);
}

/* YouTube Video Kartları */
.youtube-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 16/9;
    box-shadow: var(--shadow);
}

.youtube-card iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* Sponsorlar */
.sponsors-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.sponsor-section-block {
    text-align: center;
}

.sponsor-section-block h3 {
    font-size: 1.4rem;
    margin-bottom: 25px;
    color: var(--dark);
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
}

.sponsor-section-block h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 25%;
    width: 50%;
    height: 2px;
    background-color: var(--primary);
}

.main-sponsor-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 2px solid rgba(211, 47, 47, 0.2);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
    transition: var(--transition);
}

.main-sponsor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.main-sponsor-logo {
    max-height: 90px;
    width: auto;
    object-fit: contain;
}

.main-sponsor-title {
    font-weight: 800;
    font-size: 1rem;
    color: var(--dark);
    text-align: center;
    line-height: 1.4;
}

.gold-sponsor-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.gold-sponsor-card {
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    width: 220px;
    height: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.gold-sponsor-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    color: var(--primary);
    border-color: rgba(211, 47, 47, 0.2);
}

.gold-sponsor-card i {
    font-size: 1.6rem;
    color: #ffd700;
    margin-bottom: 5px;
}

/* İletişim */
.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1.5fr;
    gap: 50px;
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(211, 47, 47, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--text-muted);
}

.map-wrapper {
    margin-top: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 250px;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.contact-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--primary);
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 5px rgba(211, 47, 47, 0.1);
}

/* Footer (Alt Bilgi) */
footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 60px 20px 20px 20px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

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

.footer-col h4::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background-color: var(--primary);
    bottom: 0;
    left: 0;
}

.footer-col p {
    color: #bbb;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

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

.footer-col ul li a {
    color: #bbb;
    font-size: 0.9rem;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.85rem;
    color: #999;
}

/* Fotoğraf Lightbox Modalı */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: 90%;
    max-height: 80%;
}

.lightbox-content img, .lightbox-content video {
    max-width: 100%;
    max-height: 100%;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5);
    border-radius: 4px;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
}

/* Duyuru Bannerı */
.announcement-banner {
    background-color: #fff3cd;
    color: #856404;
    padding: 12px 20px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom: 1px solid #ffeeba;
}

.announcement-banner i {
    color: var(--primary);
    margin-right: 8px;
}

/* Duyarlı Ekran Tasarımları (Responsive Breakpoints) */
@media (max-width: 1250px) {
    nav ul a {
        font-size: 0.7rem;
        padding: 6px 6px;
    }
}

@media (max-width: 1100px) {
    .nav-container {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .contact-container {
        grid-template-columns: 1fr;
    }
    .hero-content h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 900px) {
    .menu-toggle {
        display: block;
    }
    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        padding: 20px;
        border-top: 1px solid var(--border-color);
    }
    nav.open {
        display: block;
    }
    nav ul {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    nav ul a {
        width: 100%;
    }
    .nav-container {
        flex-direction: row;
    }
    
    /* Mobil cihazlar için açılır menünün düz liste şeklinde görünmesini sağlar */
    .dropdown {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 15px;
        background-color: transparent;
        display: block; 
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .logo-text h1 {
        font-size: 0.9rem;
    }
    .logo-text p {
        font-size: 0.6rem;
    }
    .header-logo-img {
        height: 38px;
    }
}

@media (max-width: 768px) {
    .timeline-container::before {
        left: 20px;
    }
    .timeline-item {
        width: 100%;
        padding-left: 50px;
        padding-right: 0;
    }
    .timeline-item:nth-child(odd) {
        text-align: left;
        left: 0;
    }
    .timeline-item:nth-child(odd) .timeline-badge {
        left: 10px;
    }
    .timeline-item:nth-child(even) .timeline-badge {
        left: 10px;
    }
    .president-card {
        flex-direction: column;
        text-align: center;
    }
    .main-sponsor-card {
        padding: 20px 15px;
    }
    .main-sponsor-title {
        font-size: 0.85rem;
    }
    .main-sponsor-logo {
        max-height: 60px;
    }
}