.nb-site-header{background:var(--nb-carbon);color:#fff}
.nb-utility{display:flex;justify-content:center;gap:var(--nb-space-3);padding:.45rem var(--nb-space-2);background:var(--nb-graphite);font-size:.75rem;font-weight:700;letter-spacing:.04em}
.nb-header-row,.nb-departments>.nb-shell,.nb-site-footer>.nb-shell{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nb-header-row{min-height:5rem}
.nb-logo{font:800 1.35rem var(--nb-heading);letter-spacing:-.04em}
.nb-logo span{color:var(--nb-volt)}
.nb-product-search{flex:1;min-width:0;max-width:36rem}
.nb-departments{border-top:1px solid color-mix(in srgb,#fff 16%,transparent);padding:.75rem 0}
.nb-departments>.nb-shell{justify-content:flex-start;flex-wrap:wrap}
.nb-site-footer{margin-top:var(--nb-space-4);padding:var(--nb-space-3) 0;background:var(--nb-carbon);color:#fff}
.nb-departments a,.nb-menu-toggle,.nb-product-card .nb-button{display:inline-flex;min-height:44px;align-items:center}
.nb-menu-toggle{display:none}
.nb-home-top{display:grid;grid-template-columns:minmax(13rem,.8fr) minmax(0,2fr) minmax(12rem,.7fr);gap:var(--nb-space-2);min-width:0;padding-block:var(--nb-space-3)}
.nb-departments__sidebar{display:flex;flex-direction:column;align-items:stretch;padding:var(--nb-space-2);border:1px solid var(--nb-line);border-radius:var(--nb-radius-md);background:#fff;color:var(--nb-carbon)}
.nb-departments__sidebar a{padding:.35rem 0;border-top:1px solid var(--nb-line)}
.nb-promo,.nb-promo-stack a{border-radius:var(--nb-radius-lg);padding:var(--nb-space-3);background:var(--nb-graphite);color:#fff}
.nb-promo h1{max-width:13ch;font:800 clamp(2rem,5vw,4.5rem)/.98 var(--nb-heading);margin:.25rem 0 1rem}
.nb-promo-stack{display:grid;gap:var(--nb-space-2)}
.nb-promo-stack a{display:grid;align-content:end;min-height:10rem;background:linear-gradient(145deg,var(--nb-carbon),#34404a);font:700 1.1rem var(--nb-heading)}
.nb-promo-tile{position:relative;isolation:isolate;overflow:hidden}
.nb-promo-tile::after{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,color-mix(in srgb,var(--nb-carbon) 10%,transparent),color-mix(in srgb,var(--nb-carbon) 88%,transparent));content:""}
.nb-promo-tile__image{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:.72}
.nb-promo-tile__label{position:relative;z-index:2}
.nb-featured{padding-block:var(--nb-space-4)}