@import url('https://fonts.googleapis.com/css2?family=Golos+Text:wght@400;500;600;700;800;900&family=Manrope:wght@400;500;600;700;800&display=swap');
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@media(max-width:1250px){.shell{grid-template-columns:195px minmax(0,1fr) 235px}.sidebar{padding:28px 18px}.reference{padding:28px 16px}main{padding:30px 26px}.topbar{padding:0 25px}.hero{gap:18px;grid-template-columns:1fr}.hero-visual{display:none}.hero h1{font-size:60px}.hero-description{max-width:520px}.hero-meta{font-size:10px}.learning-grid{grid-template-columns:1fr}.module-card{padding:15px}.concept .math{font-size:19px}.concept h3{font-size:14px}.practice-banner{padding:21px}.practice-banner .btn{white-space:nowrap}.topbar nav{gap:23px}.brand{font-size:18px}.topbar{gap:15px}}
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