.testimonial-header{text-align:center;margin-bottom:40px}.testimonial-header h2{font-size:36;color:#333;margin-bottom:10px;font-weight:600}@media (max-width:480px){.testimonial-header h2{font-size:24px;font-weight:600}}.subtitle{color:#666;font-size:1rem;max-width:600px;margin:0 auto;line-height:1.5}@media (max-width:768px){.testimonial-header h2{font-size:2rem}}@media (max-width:480px){.testimonial-header h2{font-size:1.7rem}}