@media(max-width:1024px){.container{padding:0 24px}section{padding:60px 0}.section-title{font-size:2.25rem}.hero{padding:80px 0}.hero-title{font-size:2.5rem}.features-grid{grid-template-columns:repeat(2,1fr);gap:24px}}@media(max-width:768px){.section-title{font-size:1.875rem}.section-subtitle{font-size:1rem}.hero{padding:60px 0}.hero-content{grid-template-columns:1fr;gap:40px;text-align:center}.hero-title{font-size:2rem}.hero-description{font-size:1.125rem}.hero-cta{flex-direction:column;align-items:center}.hero-image{order:-1}.features-grid{grid-template-columns:1fr;gap:20px}.about-content{grid-template-columns:1fr;gap:40px}.about-image{order:-1}.contact-content{grid-template-columns:1fr;gap:40px}.newsletter-content{flex-direction:column;text-align:center}.newsletter-form{max-width:100%;flex-direction:column}.newsletter-form button{width:100%}.footer-content{grid-template-columns:1fr;gap:32px}}@media(max-width:480px){.container{padding:0 16px}section{padding:40px 0}.section-title{font-size:1.5rem}.hero-title{font-size:1.75rem}.hero-description{font-size:1rem}.btn{padding:12px 24px;font-size:.9375rem}.products-grid{grid-template-columns:1fr;gap:16px}.product-card{margin:0 auto;max-width:400px}.back-to-top{bottom:20px;right:20px;width:44px;height:44px}}