/* All business units use the Tosama corporate blue. */
:root{--unit-implementos:#193d75;--unit-ingenieria:#193d75;--unit-energia:#193d75;--unit-electronica:#193d75}
body[data-business-unit="implementos"],body[data-business-unit="fundaciones"],body[data-business-unit="manipulacion"]{--unit-accent:var(--unit-implementos)}
body[data-business-unit="ingenieria"]{--unit-accent:var(--unit-ingenieria)}
body[data-business-unit="energia"]{--unit-accent:var(--unit-energia)}
body[data-business-unit="electronica"]{--unit-accent:var(--unit-electronica)}
body[data-business-unit]>.site-main{--blue:var(--unit-accent,#193d75)}
body[data-business-unit] .site-main>.reference-cover{border-bottom:8px solid var(--unit-accent,#193d75)}
body[data-business-unit] .site-main .ref-label{color:var(--unit-accent,#193d75)}
body[data-business-unit] .site-main .project-inquiry{border-top:5px solid var(--unit-accent,#193d75)}
body[data-business-unit] .equipment-brands{--blue:#193d75}
.mega-unit[href="propuesta-implementos.html"],.home-unit-tile[href="propuesta-implementos.html"],.chapter-implementos{--tile-accent:var(--unit-implementos)}
.mega-unit[href="propuesta-ingenieria.html"],.home-unit-tile[href="propuesta-ingenieria.html"],.chapter-ingenieria{--tile-accent:var(--unit-ingenieria)}
.mega-unit[href="propuesta-energia.html"],.home-unit-tile[href="propuesta-energia.html"],.chapter-energia{--tile-accent:var(--unit-energia)}
.mega-unit[href="propuesta-electronica.html"],.home-unit-tile[href="propuesta-electronica.html"],.chapter-electronica{--tile-accent:var(--unit-electronica)}
.home-business-units .home-unit-tile:after,.navlinks .mega-unit:after{background:var(--tile-accent,#193d75)}
.home-business-units .home-unit-tile,.navlinks .mega-unit{border-bottom:7px solid var(--tile-accent,#193d75)}
.home-business-units .home-unit-name strong:before,.navlinks .mega-unit-content strong:before{content:'';display:block;width:44px;height:5px;background:var(--tile-accent,#193d75);margin-bottom:14px}
.home-business-units .home-unit-tile:hover .home-unit-name strong:before,.home-business-units .home-unit-tile:focus-visible .home-unit-name strong:before,.navlinks .mega-unit:hover strong:before,.navlinks .mega-unit:focus-visible strong:before{background:#fff}
.unit-chapters .unit-chapter{border-bottom:8px solid var(--tile-accent,#193d75)}
.unit-chapters .chapter-bottom .action{background:var(--tile-accent,#193d75);border-color:var(--tile-accent,#193d75);color:#fff}

/* v73: light photo tints, no colored frames. Keep text accents readable. */
.mega-unit[href="propuesta-implementos.html"],.home-unit-tile[href="propuesta-implementos.html"]{--tile-tint:#bdcde5}
.mega-unit[href="propuesta-ingenieria.html"],.home-unit-tile[href="propuesta-ingenieria.html"]{--tile-tint:#bdcde5}
.mega-unit[href="propuesta-energia.html"],.home-unit-tile[href="propuesta-energia.html"]{--tile-tint:#bdcde5}
.mega-unit[href="propuesta-electronica.html"],.home-unit-tile[href="propuesta-electronica.html"]{--tile-tint:#bdcde5}
.home-business-units .home-unit-tile:after,.navlinks .mega-unit:after{background:var(--tile-tint,#cbd6e4)}
.home-business-units .home-unit-tile:hover:after,.home-business-units .home-unit-tile:focus-visible:after,.navlinks .mega-unit:hover:after,.navlinks .mega-unit:focus-visible:after{opacity:.18}
.home-business-units .home-unit-tile,.navlinks .mega-unit,.unit-chapters .unit-chapter,body[data-business-unit] .site-main>.reference-cover{border-bottom:0}
.home-business-units .home-unit-name strong:before,.navlinks .mega-unit-content strong:before{display:none}