@media(max-width:900px){.topbar{grid-template-columns:1fr auto;padding:0 18px}.topbar nav{display:none}.topbar>p{font-size:8px}.hero{height:92vh;min-height:700px}.hero>img{object-position:64% center}.hero-wash{background:linear-gradient(90deg,var(--river),rgba(16,47,61,.78) 68%,transparent)}.hero-copy{left:22px;width:calc(100% - 44px);top:47%}.hero h1{font-size:clamp(52px,15vw,78px)}.hero-copy p{font-size:15px;max-width:92%}.section-title{grid-template-columns:1fr;gap:20px}.game-section{padding-inline:18px}.lock-console{grid-template-columns:1fr}.instrument{border-left:0;border-top:1px solid var(--line)}.lock-stage{min-height:500px;padding:24px 14px}.chambers{height:360px;gap:6px}.pipes{display:grid;grid-template-columns:repeat(2,1fr)}.notes{grid-template-columns:1fr}.notes article{min-height:0;border-right:0;border-bottom:1px solid var(--line)}footer{grid-template-columns:1fr}}@media(max-width:480px){.topbar>p{display:none}.topbar{grid-template-columns:1fr}.section-title h2{font-size:44px}.chamber label{font-size:9px}.chamber label b{font-size:20px}.pipes button{padding:11px 6px}}