@media(min-width:768px){.container{padding:0 24px}.hero{padding:64px 0}.hero-title{font-size:2.25rem}.hero-subtitle{font-size:1.1rem}.section{padding:56px 0}.section-title{font-size:1.75rem}.article-grid{grid-template-columns:repeat(2,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.steps-grid{grid-template-columns:repeat(2,1fr)}.article-list{grid-template-columns:repeat(2,1fr)}.list-card{flex-direction:column}.footer-grid{grid-template-columns:repeat(2,1fr)}.article-header h1{font-size:2rem}}@media(min-width:1024px){.container{padding:0 32px}.mobile-menu-toggle{display:none}.nav-list{display:flex}.main-nav{position:static;box-shadow:none;border:none;padding:0}.hero{padding:80px 0}.hero-title{font-size:2.75rem}.hero-subtitle{font-size:1.2rem}.section{padding:72px 0}.section-title{font-size:2rem}.article-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}.steps-grid{grid-template-columns:repeat(4,1fr)}.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px}.article-sidebar{position:sticky;top:calc(var(--header-height) + 24px);align-self:start}.article-list{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}.article-header h1{font-size:2.25rem}.product-card{padding:24px}}@media(min-width:1280px){.article-grid{grid-template-columns:repeat(3,1fr);gap:24px}.hero-title{font-size:3rem}}@media(max-width:767px){.product-card{flex-direction:column}.product-cta{flex-direction:column}.product-price{text-align:center}.cta-button{width:100%}.article-meta{flex-direction:column;gap:8px}.product-specs table{font-size:.85rem}.product-specs td{padding:6px 8px}}