/* ============================================================
   STYLESEKBILGI.CSS - Ek Bilgiler Hub Teması
   ============================================================ */

/* --- TEMEL AYARLAR (Diğer dosyalarla aynı) --- */
* { box-sizing: border-box; }

body {
    margin: 0; padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1a1a1a; 
    color: #eee;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #111; }
::-webkit-scrollbar-thumb { background: #444; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #b52b2b; }

/* --- HEADER --- */
.main-header {
    background-color: #222; 
    border-bottom: 2px solid #b52b2b;
    padding: 0 20px; 
    height: 70px;
    display: flex; align-items: center; 
    position: relative; z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.header-container {
    width: 100%; max-width: 1200px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
}

.brand-area { display: flex; align-items: center; gap: 15px; }
.logo-img { height: 50px; filter: drop-shadow(0 0 5px rgba(181, 43, 43, 0.5)); }

.titles { display: flex; flex-direction: column; }
.main-title { margin: 0; font-size: 1.4em; font-weight: bold; color: #fff; }
.sub-title { font-size: 0.8em; color: #b52b2b; text-transform: uppercase; letter-spacing: 2px; }

/* Menü */
.desktop-nav { display: flex; gap: 20px; }
.nav-link { color: #ccc; font-weight: 500; transition: color 0.2s; font-size: 0.95em; }
.nav-link:hover { color: #b52b2b; }

.menu-icon { display: none; font-size: 28px; cursor: pointer; color: #fff; }

.mobile-nav {
    position: absolute; top: 70px; left: 0; width: 100%;
    background-color: #222; border-bottom: 2px solid #b52b2b;
    padding: 20px; z-index: 99;
    box-shadow: 0 5px 10px rgba(0,0,0,0.5);
    display: none; 
}
.mobile-nav.open { display: block; }
.mobile-nav ul li { margin-bottom: 15px; text-align: center; }
.mobile-nav ul li a { font-size: 1.2em; display: block; color: #eee; }

/* --- ANA İÇERİK --- */
.main-container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 20px;
}

.intro-section {
    text-align: center;
    margin-bottom: 40px;
}
.intro-section h2 { color: #b52b2b; font-size: 2em; margin-bottom: 10px; }
.intro-section p { color: #aaa; font-size: 1.1em; }

/* --- HUB GRID (KARTLAR) --- */
.hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.hub-card {
    background-color: #2a2a2a;
    border: 1px solid #3b3b3b;
    border-radius: 12px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.hub-card:hover {
    transform: translateY(-5px);
    border-color: #b52b2b;
    background-color: #333;
    box-shadow: 0 10px 25px rgba(181, 43, 43, 0.2);
}

.card-icon {
    font-size: 3em;
    margin-bottom: 20px;
    background-color: #222;
    width: 80px; height: 80px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    border: 2px solid #b52b2b;
    color: #eee;
}

.card-content h3 {
    margin: 0 0 10px 0;
    color: #fff;
    font-size: 1.4em;
}

.card-content p {
    color: #aaa;
    line-height: 1.5;
    margin: 0;
}

/* Responsive */
@media (max-width: 800px) {
    .desktop-nav { display: none; }
    .menu-icon { display: block; }
    .main-container { margin: 20px auto; }
}