body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', 'Arial', sans-serif;
    background: #f5f7fa;
}
.main-row {
    min-height: 100vh;
}
.left-panel {
    background: #16324F;
    color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0;
    box-shadow: 0 0 32px 0 rgba(22,50,79,0.12);
}
.you-are{
    font-size:17px;
    font-weight:600;
}
.study-question{
    font-size:1.18rem;
}
.logo {
    padding: 18px 56px 15px 56px;
}
.logo img {
    height: 67px;
}
.form-section {
    padding: 0px;
    flex: 1;
}
.top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.retour-btn {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    margin: 48px 56px 0 0;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.5px;
    transition: color 0.2s;
}

.right-section a.retour-btn
{
    position: absolute;
    top: 23px;
    right: 21px;
    font-size: 20px;
    margin: 0;
}

.right-section .retour-btn i {
    font-size: 24px;
}
@media (min-width:991px) {
    .left-panel a.retour-btn{
        display: none;
    }
    
}
    

@media (max-width:991px) {
    .right-section a.retour-btn{
        display: none;
    }
    .retour-btn {
        font-size: 23px;
        margin: -13px 22px 0 0;
    }
    .retour-btn i {
        font-size: 26px;
    }
    .top-row {
        padding: 20px 24px;
    }
}
.retour-btn:hover {
    color: #E53935;
}
.retour-btn i {
    font-size: 1.3rem;
}
.custom-radio-group {
    display: flex;
    gap: 12px;
    margin-bottom: 0;
}
.custom-radio-group .btn {
    border-radius: 12px;
    font-weight: 600;
    min-width: 110px;
    font-size: 1.05rem;
    padding: 8px 0;
    letter-spacing: 0.2px;
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    transition: background 0.2s, color 0.2s;
}
.custom-radio-group .btn-check:checked + .btn {
    background: #fff !important;
    color: #16324F !important;
    border: none;
    box-shadow: 0 2px 8px 0 rgba(22,50,79,0.08);
}
.custom-radio-group .btn:not(.btn-check:checked + .btn) {
    background: transparent !important;
    color: #fff !important;
    border: 2px solid #fff;
}
form {
    padding: 0px 45px;
}
.form-label-group {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    margin-top: 10px;
    gap: 22px;
}
.form-label-group > div {
    flex: 1;
}
.form-control {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid #fff;
    border-radius: 12px;
    color: #fff;
    margin-bottom: 5px;
    font-size: 1.07rem;
    font-weight: 500;
    box-shadow: none;
    transition: border 0.2s;
    padding: 3px 13px 6px 13px;
}
.form-control:focus {
    border: 2px solid #E53935;
    background: rgba(255,255,255,0.13);
    color: #fff;
    box-shadow: none;
}
.form-control::placeholder {
    color: #bfc9d1;
    opacity: 1;
    font-weight: 400;
}
.form-check-label {
    color: #fff;
    font-size: 1rem;
    font-weight: 400;
}
.form-check-input {
    border-radius: 0.25em;
    margin-top: 0.2em;
}
.pre-register-btn {
    background: linear-gradient(90deg, #E53935 60%, #b71c1c 100%);
    color: #fff;
    width: 50%;
    padding: 8px;
    border: none;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 700;
    margin: 9px auto 3px auto;
    box-shadow: 0 4px 16px 0 rgba(229, 57, 53, 0.13);
    letter-spacing: 0.5px;
    transition: background 0.2s;
    display: block;
}
.pre-register-btn:hover {
    background: linear-gradient(90deg, #b71c1c 60%, #E53935 100%);
}
.footer-info {
    font-size: 13px;
    color: #fff;
    background: #16324F;
    padding: 11px 56px 0px 56px;
    opacity: 0.97;
}
.footer-info strong {
    color: #E53935;
}
.right-section {
    background: url('../img/landing-page.png') center center/cover no-repeat;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.copyright {
    color: #fff;
    font-size: 0.93rem;
    text-align: right;
    padding: 0 56px 16px 0;
    opacity: 0.85;
}
@media (max-width: 991.98px) {
    form {
        padding: 0px 24px;
    }
    .main-row {
        flex-direction: column;
    }
    .right-section {
        min-height: 300px;
        border-radius: 0;
    }
    .left-panel, .right-section {
        min-height: unset;
        border-radius: 0;
    }

    .footer-info, .copyright {
        padding: 13px 37px;
    }
    .logo, .form-section {
        padding: 0 16px;
    }
    .logo{
        margin: auto;
    }
    .form-label-group {
        display: block;
        font-size: 16px;
    }
    .left-panel {
        background: #ffffff;
        color: #0a3b5a;
    }
   
    
    .mb-2.you-are {
        text-align: center;
        color: white;
    }
    .custom-radio-group {
        justify-content: center;
    }
    .study-question {
        background-color: rgb(225 43 38);
        text-align: center;
        color: white;
        border-radius: 0px 23px 27px 0px;
        font-size: 16px;
    }

    .you-are-block{
        background-color: rgb(10 59 90);
        border-radius: 0px 23px 27px 0px;

    }
    .custom-radio-group .btn {
        border-radius: 12px;
        font-weight: 600;
        min-width: 95px;
        font-size: 15px;
        padding: 3px 0;
    }
    .form-check-label {
        color: #1d3855;
    }
    input#terms {
        border: 1px solid;
    }
    .pre-register-btn {
        font-size: 15px;
        font-weight: bold;
        background: #e12b26;
        color: #fff;
        width: 100%;
    }
    .footer-info {
        font-size: 13px;
        color: #16324F;
        background: white;
        line-height: 13px;
    }
    .copyright {
        padding: 6px 37px;
        color: #123b5a;
    }
    .form-control::placeholder {
    color: #606060;

}
     .form-control {
        background: rgba(255, 255, 255, 0.08);
        border: 2px solid #0a3b5a;
        color: #0a3b5a;
        font-size: 16px;
    }
    .form-control:focus {
        background: rgba(255, 255, 255, 0.08);
        border: 2px solid #0a3b5a;
        color: #0a3b5a;
        font-size: 16px;
    }
    
}