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@media(min-width:1400px){.hero{padding-block:79px 75px}.hero h1{font-size:61px}}
@media(max-width:1050px){.shell{width:calc(100% - 56px)}.grade-grid{gap:9px}.grade-card{padding:17px 10px;gap:9px}.grade-card .grade-number{font-size:32px}.grade-card strong{font-size:14px}.grade-card small{font-size:9px}.library-layout{grid-template-columns:155px 1fr;gap:25px}.subject-button{padding:12px 10px;gap:8px}.hero h1{font-size:48px}.hero-actions{gap:16px}.lesson-body{padding:17px}.lesson-card h3{font-size:21px}.grade-section{padding-bottom:45px}}
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.lesson-grid[hidden]{display:none}