body {
    background: linear-gradient(135deg, #eef2ff, #f8f9fc);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #2c2c2c;
}

 
.hero-card {
    background: linear-gradient(135deg, #1f2430, #5c6bc0);
    color: #fff;
    padding: 35px;
    border-radius: 16px;
    margin-bottom: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
}

    .hero-card::after {
        content: "";
        position: absolute;
        top: -50px;
        right: -50px;
        width: 150px;
        height: 150px;
        background: rgba(255,255,255,0.08);
        border-radius: 50%;
    }

    .hero-card h1 {
        font-weight: 600;
        letter-spacing: 0.5px;
    }

.eyebrow {
    font-size: 13px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0.8;
}

 
.feedback-form {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.08);
}

 
.section-block {
    background: #ffffff;
    border-left: 4px solid #5c6bc0;
    padding: 22px;
    margin-bottom: 22px;
    border-radius: 12px;
    transition: transform 0.2s ease;
}

    .section-block:hover {
        transform: translateY(-2px);
    }

    .section-block h4 {
        font-weight: 600;
        color: #3f51b5;
    }

 
.form-label {
    font-weight: 500;
    margin-bottom: 6px;
}

 
.form-control,
.form-select {
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    padding: 11px 14px;
    transition: all 0.25s ease;
    background: #fff;
}

    .form-control:hover,
    .form-select:hover {
        border-color: #b5c0ff;
    }

    .form-control:focus,
    .form-select:focus {
        border-color: #5c6bc0;
        box-shadow: 0 0 0 3px rgba(92, 107, 192, 0.15);
    }

 
.question {
    padding: 12px 0;
}

 
.form-check {
    border: 1px solid #e0e0e0;
    border-radius: 30px;
    padding: 8px 16px;
    background: #fff;
    transition: all 0.25s ease;
    cursor: pointer;
}

    .form-check:hover {
        border-color: #5c6bc0;
        background: #f3f5ff;
    }

.form-check-input {
    display: none; 
}

  
    .form-check-input:checked + .form-check-label {
        color: #fff;
    }

    .form-check-input:checked ~ .form-check-label {
        color: #fff;
    }

    .form-check-input:checked ~ .form-check-label,
    .form-check-input:checked {
        background: none;
    }

.form-check:has(.form-check-input:checked) {
    background: linear-gradient(135deg, #5c6bc0, #7e57c2);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 12px rgba(92,107,192,0.3);
}

.form-check-label {
    cursor: pointer;
    margin: 0;
    font-size: 14px;
}

 
textarea.form-control {
    resize: none;
}

 
.btn-primary {
    background: linear-gradient(135deg, #5c6bc0, #7e57c2);
    border: none;
    border-radius: 4px;
    font-weight: 500;
    padding: 10px 30px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 15px rgba(92,107,192,0.3);
}

    .btn-primary:hover {
        transform: translateY(-2px) scale(1.02);
        box-shadow: 0 10px 25px rgba(92,107,192,0.4);
    }

 
.text-danger {
    font-size: 13px;
}

 
.hero-card .text-muted {
    color: rgba(255,255,255,0.75) !important;
}

 
.section-block,
.form-check,
.btn-primary {
    transition: all 0.25s ease;
}
 
@media (max-width: 768px) {
    .hero-card {
        text-align: center;
        padding: 25px;
    }

    .feedback-form {
        padding: 20px;
    }

    .form-check-inline {
        display: block;
        margin-bottom: 10px;
    }
}