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@media(min-width:1500px){.hero{padding-top:95px;padding-bottom:85px}}
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@media(max-width:360px){.hero h1{font-size:48px}.hero .button{padding:14px 18px}.demo-body{padding:17px}.demo-body .equation{font-size:22px;gap:10px}.brand{font-size:21px}.brand svg{width:19px}.header-cta{padding:9px!important;font-size:10px!important}.problem .equation{font-size:21px;gap:10px}.lesson-nav li{font-size:9px;padding:7px 3px}.work-actions .button{width:100%}.progress-page h1{font-size:34px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Keep long proof lines inside the work area, including small screens. */
.proof-line>div{min-width:0}.support .equation{font-size:17px;justify-content:start}.lesson-nav li a{display:flex;align-items:center;min-height:24px}.back-home{min-height:44px;align-items:center}.public-nav a{display:flex;align-items:center;min-height:44px}

.header{flex-wrap:wrap}.public-nav{flex-wrap:wrap}.demo-top{gap:16px}

.support #hint-copy{font-size:12px;line-height:1.75}