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

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f3f6fb;
}

.container {
    display: flex;
    width: 80%;
    max-width: 1200px;
    min-height: 500px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    background-color: white;
    border-radius: 15px;
    align-items: stretch;
    overflow: hidden;
}

.signup-form {
    flex: 1;
    padding: 40px;
    margin: 0;
    border-top-left-radius: 15px;
    border-bottom-left-radius: 15px;
    background-color: white;
}

    .signup-form h1 {
        font-size: 28px;
        font-weight: bold;
        margin-bottom: 15px;
    }

    .signup-form p {
        font-size: 14px;
        color: #666;
        margin-bottom: 30px;
    }

    .signup-form form {
        display: flex;
        flex-direction: column;
    }

    .signup-form div {
        margin-bottom: 20px;
    }

    .signup-form label {
        display: block;
        /*margin-bottom: 5px;*/
        font-size: 14px;
    }

    .signup-form input[type="email"],
    .signup-form input[type="password"] {
        padding: 10px;
        width: 100%;
        border: 1px solid #ccc;
        border-radius: 4px;
        font-size: 14px;
        margin-top: 5px;
    }

    .signup-form .checkbox {
        display: flex;
        align-items: center;
        margin-bottom: 20px;
    }

        .signup-form .checkbox input {
            margin-right: 10px;
        }

button {
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
}

    button:hover {
        background-color: #0056b3;
    }

.signin {
    margin-top: 20px;
    font-size: 14px;
}

    .signin a {
        color: #007bff;
        text-decoration: none;
    }

        .signin a:hover {
            text-decoration: underline;
        }

.image-section {
    flex: 1;
    background-color: #f3f6fb;
    border-top-right-radius: 15px;
    border-bottom-right-radius: 15px;
    overflow: hidden;
    padding: 0;
    margin: 0;
    position: relative;
}

    .image-section img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
        display: block;
    }

.center-1 {
    display: flex;
    justify-content: center; /* Ortalamak için */
    align-items: center;
}


@media (max-width: 768px) {
    .container {
        flex-direction: column;
        width: 90%;
        border-radius: 8px;
    }

    .image-section {
        position: relative;
        flex: none;
        width: 100%;
        height: 150px;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: -40px;
    }

        .image-section img {
            max-width: 50%;
            height: auto;
            opacity: 0.8;
        }

    .signup-form {
        padding: 20px;
        text-align: center;
    }

        .signup-form h1 {
            font-size: 24px;
        }

        .signup-form p {
            font-size: 13px;
            margin-bottom: 20px;
        }

        .signup-form input[type="email"],
        .signup-form input[type="password"] {
            font-size: 14px;
            padding: 10px;
        }

    button {
        padding: 10px;
        font-size: 15px;
    }

    .signin {
        font-size: 13px;
    }
}