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

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #c0392b;
    padding: 10px 20px;
}

.left {
    display: flex;
    align-items: center;
}

.logo {
    width: 90px;
    height: 90px;
    margin-right: 15px;
}

.text-area {
    display: flex;
    flex-direction: column;
}

.main-title {
    color: white;
    font-size: 18px;
    margin: 0;
}

.sub-title {
    color: #f1f1f1;
    font-size: 14px;
    margin: 0;
}

.menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.menu li {
    margin-left: 10px;
}

.menu a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    padding: 8px 10px;
    border-radius: 5px;
    transition: 0.3s;
    font-size: 13px;
}

.menu a:hover {
    background-color: #922b21;
}

.ana-icerik {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.hiyerarsi-grubu {
    margin-bottom: 50px;
}

.grup-baslik {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 3px solid #c0392b;
    font-size: 22px;
    text-transform: uppercase;
    width: 100%;
}

.hoca-konteynir {
    display: flex;          
    flex-wrap: wrap;        
    justify-content: center; 
    gap: 30px;              
}

.card {
    background: #fff;
    width: 280px;           
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
}

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

.card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

.card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center; /* Yatayda tam ortalama */
    justify-content: center; /* Dikeyde tam ortalama */
    text-align: center;
}

.card-body h4 {
    margin: 0 0 10px 0;
    font-size: 1.25rem;
    color: #2d3436;
    width: 100%;
}

.card-body p {
    margin: 0;
    color: #636e72;
    font-weight: 500;
    width: 100%;
}

.sinif-baslik {
    color: #c0392b;
    margin: 30px 0 15px 0;
    font-size: 1.5rem;
    text-align: center;
    width: 100%;
}

.isim-listesi {
    list-style: none;
    padding: 0;
    margin-top: 10px;
}

.isim-listesi li {
    background: #f8f9fa;
    margin-bottom: 5px;
    padding: 8px;
    border-radius: 5px;
    font-size: 14px;
    color: #2c3e50;
    border-left: 4px solid #c0392b;
    text-align: center;
}