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@media (max-width:980px){.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{max-width:790px}.hero-visual{min-height:390px;max-width:650px;width:100%;margin:auto}.topic-grid{grid-template-columns:repeat(2,1fr)}.split-feature{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr;gap:30px}.article-aside{position:static;grid-template-columns:1fr 1fr}.toc{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}.admin-app{grid-template-columns:210px 1fr}.admin-main{padding:28px}.product-card{grid-template-columns:150px 1fr}.calc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.header-inner{padding:11px 16px}.menu-button{display:block}.main-nav{display:none;position:absolute;left:14px;right:14px;top:70px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:10px;flex-direction:column;align-items:stretch}.main-nav.is-open{display:flex}.main-nav a{padding:11px}.main-nav .nav-accent{margin:2px 0 0;text-align:center}.content-shell{padding:58px 18px}.hero{padding:50px 18px 58px;gap:35px}.hero-copy h1,.article-hero h1{font-size:clamp(39px,13vw,62px)}.hero-visual{min-height:310px}.tank{inset:20px 3px 4px;box-shadow:13px 15px 0 #d8ef76,-10px -9px 0 #e7f3f0}.topic-grid,.method-grid,.feature-list,.decision-grid{grid-template-columns:1fr}.split-feature,.editorial-band{margin-left:14px;margin-right:14px;padding:28px;border-radius:23px}.product-card{grid-template-columns:1fr}.product-visual{min-height:160px}.pros-cons{grid-template-columns:1fr}.article-hero .content-shell{padding:47px 18px}.article-layout{padding:42px 18px 70px}.article-aside{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:34px}.footer-grid>div:first-child{grid-column:1/-1;padding:0}.footer-grid>div:last-child{grid-column:auto}.finder{grid-template-columns:1fr}.source-list>div{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.form-grid .full,.db-manual{grid-column:1}.admin-app{display:block}.admin-sidebar{position:relative;height:auto;padding:15px}.admin-sidebar nav{grid-template-columns:1fr 1fr;margin-bottom:18px}.admin-user{margin-top:0}.admin-main{padding:20px 14px}.admin-grid{grid-template-columns:1fr}.admin-top h1{font-size:30px}}
@media (max-width:480px){.brand small{display:none}.hero-actions .btn{width:100%}.trust-row{display:grid}.calc-grid{grid-template-columns:1fr}.calc-result{grid-template-columns:1fr}.calc-result strong{margin-bottom:7px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{gap:15px;flex-direction:column}.article-body p,.article-body li{font-size:16px}.product-actions .btn{width:100%}.admin-sidebar nav{grid-template-columns:1fr}.form-actions .btn{width:100%}}