.engineering-navigation{margin:32px 0;color:#1c2938}
.engineering-navigation__heading{margin-bottom:20px}
.engineering-navigation__heading h2{margin:0;font-size:clamp(22px,2.1vw,28px);line-height:1.25;letter-spacing:-.025em}
.engineering-navigation__heading p{margin:10px 0 0;color:#667384;font-size:14px;line-height:1.6}
.engineering-navigation__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.engineering-navigation__group{min-width:0;padding:22px 24px;background:#fff;border:1px solid #dce3eb;border-radius:12px}
.engineering-navigation__group h3{margin:0 0 20px;font-size:17px;line-height:1.45;font-weight:650;letter-spacing:-.01em}
.engineering-navigation__group h3 a{display:flex;gap:16px;justify-content:space-between;align-items:start;color:#26364a;text-decoration:none}
.engineering-navigation__group h3 a:hover{color:#1765ac}
.engineering-navigation__group h3 .icon{flex:0 0 18px;width:18px;height:18px;margin-top:3px;color:#73859a}
.engineering-navigation__facet+.engineering-navigation__facet{margin-top:16px}
.engineering-navigation__facet h4{margin:0 0 8px;font-size:12px;line-height:1.5;font-weight:500;color:#657386}
.engineering-navigation__facet ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.engineering-navigation__facet li{margin:0;padding:0;max-width:100%;list-style:none}
.engineering-navigation__link{display:inline-flex;align-items:center;gap:10px;min-height:40px;max-width:100%;padding:6px 10px 6px 12px;border:1px solid #e1e7ef;border-radius:7px;background:#f7f9fc;color:#263e57;font-size:14px;line-height:1.3;text-decoration:none;transition:background-color .15s,border-color .15s}
.engineering-navigation__link>span{overflow-wrap:anywhere}
.engineering-navigation__link b{display:inline-flex;justify-content:center;align-items:center;flex:0 0 auto;min-width:25px;padding:3px 6px;border-radius:5px;background:#e9eff6;color:#526781;font-size:11px;line-height:1.4;font-weight:600;font-variant-numeric:tabular-nums}
.engineering-navigation__link:hover{background:#edf4fc;border-color:#aac7e5;color:#135c9d}
.engineering-navigation__link[aria-current="page"]{border-color:#6d9eca;background:#edf4fc;color:#135c9d}
.engineering-navigation a:focus-visible,.engineering-navigation summary:focus-visible{outline:3px solid #3d88c9;outline-offset:3px}
.engineering-navigation__more{margin-top:16px}
.engineering-navigation__more>summary{display:flex;justify-content:center;align-items:center;gap:12px;min-height:46px;width:100%;padding:12px 18px;border:1px solid #dce3eb;border-radius:9px;background:#f5f8fc;color:#24557f;font-size:14px;line-height:1.4;font-weight:600;cursor:pointer;list-style:none}
.engineering-navigation__more>summary::-webkit-details-marker{display:none}
.engineering-navigation__more>summary::marker{content:""}
.engineering-navigation__more>summary:hover{background:#edf3fa}
.engineering-navigation__more>summary small{font-size:12px;font-weight:400;color:#657386}
.engineering-navigation__more>summary .icon{width:16px;height:16px;transform:rotate(90deg)}
.engineering-navigation__opened,.engineering-navigation__more[open] .engineering-navigation__closed{display:none}
.engineering-navigation__more[open] .engineering-navigation__opened{display:inline}
.engineering-navigation__more[open]>summary{margin-bottom:16px}
.engineering-navigation__more[open]>summary .icon{transform:rotate(-90deg)}
@media(max-width:760px){
 .engineering-navigation{margin:26px 0}
 .engineering-navigation__heading{margin-bottom:16px}
 .engineering-navigation__grid{grid-template-columns:1fr;gap:12px}
 .engineering-navigation__group{padding:18px 16px;border-radius:10px}
 .engineering-navigation__group h3{font-size:16px;margin-bottom:16px}
 .engineering-navigation__link{min-height:44px}
 .engineering-navigation__more{margin-top:12px}
}
@media(prefers-reduced-motion:reduce){.engineering-navigation__link{transition:none}}