body{margin:0;font-family:Poppins,sans-serif;background:#f7f9fc}
header{background:linear-gradient(135deg,#0f766e,#14b8a6);color:#fff;text-align:center;padding:40px}
.logo{font-size:36px;font-weight:700}
nav a{color:#fff;margin:0 10px;text-decoration:none}
section{padding:50px 8%}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 10px 20px rgba(0,0,0,.1)}
.doctor{border-left:5px solid #14b8a6}
footer{background:#0f172a;color:#cbd5f5;text-align:center;padding:20px}