.doctor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.doctor-card {
    border: 1px solid #eee;
    border-radius: 15px;
    padding: 15px;
    text-align: center;
    background: #fff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}
.doctor-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 10px;
}
.doctor-card h3 {
    color: #c00;
    font-size: 20px;
    margin: 8px 0;
    font-weight: 600; /* semi-bold for better visibility */
}
.degree-field {
    margin: 8px 0;
    text-align: left;
}
.call-btn {
    display: inline-block;
    background: #0073e6;
    color: #fff;
    padding: 10px 15px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
}
.call-btn:hover {
    background: #005bb5;
}