.registration-header {
    background: #0A2A3B;
    /* background: linear-gradient(135deg, #002a3a 0%, #004358 100%); */
    /* padding: 80px 0 40px; */
    padding-top: 120px;
    padding-bottom: 40px;
    color: #ffffff;
}

.registration-header h1 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    margin-bottom: 1rem;
}

.registration-header .lead {
    font-size: 1.1rem;
    opacity: 0.9;
}

.registration-card {
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 42, 58, 0.1);
    border: none;
    margin-top: -60px;
    position: relative;
    z-index: 10;
    animation: fadeInUp 0.6s ease-out;
}

.card-header {
    background: #002a3a;
    color: #ffffff;
    border-radius: 15px 15px 0 0 !important;
    padding: 2rem;
    border-bottom: 4px solid #ffc844;
}

.card-header h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin: 0;
}

.form-section {
    border-bottom: 1px solid #e9ecef;
    padding: 2rem 0;
}

.form-section:last-child {
    border-bottom: none;
}

.section-title {
    color: #002a3a;
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 1.5rem;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: #ffc844;
}

.form-label {
    font-weight: 500;
    color: #212529;
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    height: auto;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: #ffc844;
    box-shadow: 0 0 0 0.2rem rgba(255, 200, 68, 0.25);
}

.form-check-input:checked {
    background-color: #ffc844;
    border-color: #ffc844;
}

.form-check-input:focus {
    border-color: #ffc844;
    box-shadow: 0 0 0 0.2rem rgba(255, 200, 68, 0.25);
}

.form-check-label {
    color: #495057;
    font-weight: 400;
}

.required-field::after {
    content: " *";
    color: #dc3545;
}

.btn-primary {
    background: #ffc844;
    border: none;
    color: #002a3a;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.btn-primary:hover {
    background: #ffb400;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 200, 68, 0.4);
}

.btn-primary:disabled {
    background: #ccc;
    transform: none;
    box-shadow: none;
    cursor: not-allowed;
}

.file-upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: #ffc844;
    background: rgba(255, 200, 68, 0.05);
}

.file-upload-area i {
    font-size: 3rem;
    color: #ffc844;
    margin-bottom: 1rem;
}

.login-link {
    color: #002a3a;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.login-link:hover {
    color: #ffc844;
}

.form-navigation {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 0 0 15px 15px;
    border-top: 1px solid #e9ecef;
}

.border-top {
    border-color: #e9ecef !important;
}

.Registration-Form {
    margin-top: 150px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .registration-header {
        padding: 100px 0 30px;
    }

    .registration-card {
        margin-top: -40px;
    }

    .card-header {
        padding: 1.5rem;
    }

    .btn-primary {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
}