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.skip-link{visibility:hidden}.skip-link:focus{visibility:visible}
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@media(max-width:390px){.shell{padding:0 19px}.header{padding:17px 0}.brand{gap:10px}.brand img{width:57px;height:57px}.brand strong{font-size:20px}.brand small{font-size:8px;letter-spacing:1.65px}h1{font-size:34px}main{padding-top:24px}.axis>summary{font-size:20px;padding:16px}.question-grid{gap:10px}.number-link{min-height:59px}.step{padding-left:39px}.step .rich-text{font-size:16px}.statement>.math-block{font-size:1.18rem}.pager{gap:9px}.page-link{font-size:14px}.trick>summary{gap:9px;padding:9px 11px}.trick-logo{width:49px;height:55px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.exam-link{margin-top:23px;border-left:3px solid var(--red-dark);padding:16px}.figure-zoom{display:block;width:fit-content;margin:5px auto 0;padding:8px;font-size:13px;min-height:40px;text-underline-offset:3px}.figure{margin-left:0;margin-right:0}
@media(max-width:390px){.step .math-block{font-size:1rem}}
/* Los dibujos de geometría aprovechan el ancho del contenido en celular. */
@media(max-width:600px){.step .figure:has(img[src*="assets/geometria/"]){margin-left:-43px;width:calc(100% + 43px)}}
@media(max-width:390px){.step .figure:has(img[src*="assets/geometria/"]){margin-left:-39px;width:calc(100% + 39px)}}