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768px){.hero-content{grid-template-columns:1fr;text-align:center}.hero-title{font-size:2.5rem}.hero-buttons{justify-content:center}.phone-mockup{width:240px;height:480px}.steps-grid,.features-grid,.coverage-grid,.faq-grid{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr;text-align:center}.cta-buttons{flex-direction:column;align-items:center}}@media (max-width: 480px){:root{--container-padding: 1rem}.hero{padding:2rem 0}.hero-title{font-size:2rem}.hero-subtitle{font-size:1.25rem}.phone-mockup{width:200px;height:400px}.btn{padding:.625rem 1.25rem;font-size:.8rem}}html{scroll-behavior:smooth}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .6s ease-out forwards}