body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

header {
    background-color: #007bff;
    color: white;
    padding: 20px 0;
    text-align: center;
    width: 100%;
}

.banner {
    width: 100%;
    max-width: 1200px;
    height: auto;
    object-fit: cover;
}

nav {
    margin-top: 10px;
}

.menu {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    margin: 10px 0; /* Menü için üst ve alt boşluk */
}

.menu li {
    margin: 0 15px; /* Butonlar arasındaki mesafe */
}

.menu a {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    background-color: #007bff;
    border: 1px solid #007bff;
    border-radius: 4px;
    transition: background-color 0.3s, border-color 0.3s;
}

.menu a:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

section {
    padding: 20px;
    background: white;
    margin: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 800px;
}

footer {
    text-align: center;
    padding: 10px 0;
    background-color: #007bff;
    color: white;
    width: 100%;
}

.form-control {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.btn {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
}

.btn:hover {
    background-color: #0056b3;
}