@media(min-width:768px){
  .hero h1{font-size:47px;line-height:1.15}
  .hero h2{font-size:27px}
  .section-title{font-size:32px}
  .doctor-section h2{font-size:32px}
}

@media(max-width:768px){
  .symptoms-grid{grid-template-columns:1fr}
  .problem-layout{grid-template-columns:1fr}
  .problem-img-wrap{order:-1}
  .testimonials-grid{grid-template-columns:1fr}
  .hero{padding:50px 20px 40px}
}

@media(max-width:480px){
  .hero h1{font-size:26px}
  .hero h2{font-size:17px}
  .cta-btn{font-size:17px;padding:16px 20px}
  .section{padding:40px 20px}
  .section-title{font-size:22px}
  .doctor-section h2{font-size:22px}
  .faq-question{font-size:16px}
  .footer-links{flex-direction:column;align-items:center;gap:10px}
}