:root{--shadow:0 6px 18px rgba(17,24,39,.06)}.card{border:1px solid rgba(0,0,0,.06);box-shadow:var(--shadow)}.hero{box-shadow:none;border:1px solid rgba(0,0,0,.06)}.hero .hero-mask{background:linear-gradient(180deg,rgba(0,0,0,0) 0,rgba(0,0,0,.48) 70%)}.dots{display:none!important}.category{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;justify-content:stretch}.cat-item{gap:6px}.course.card{box-shadow:var(--shadow)}.course .badge{background:rgba(37,99,235,.12);color:#2563eb}a,button,.btn{-webkit-tap-highlight-color:transparent}a:active,button:active,.btn:active{box-shadow:none!important;filter:none;transform:none}a:focus,button:focus,.btn:focus{outline:none;box-shadow:none!important}a:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid rgba(47,125,246,.35);outline-offset:2px;box-shadow:none!important}