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768px){.nav-menu{display:none}.hero-container{grid-template-columns:1fr;text-align:center;gap:2rem}.hero-title{font-size:2.5rem}.hero-actions{flex-direction:column;align-items:center}.cta-primary,.cta-secondary{width:100%;max-width:300px}.services-grid{grid-template-columns:1fr}.contact-content,.footer-content{grid-template-columns:1fr;gap:2rem}.footer-links{grid-template-columns:1fr}}