:root {
  color-scheme: light;
  --ink: #f4f2ec;
  --panel: #fbf9f4;
  --panel-2: #fffdf8;
  --line: rgba(36,52,61,.13);
  --line-strong: rgba(36,52,61,.34);
  --text: #202d34;
  --muted: #6b777d;
  --accent: #2d3b42;
  --accent-soft: #e8e9e5;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--ink); color: var(--text); }
body { overflow-x: hidden; }
button { font: inherit; }
.showcase {
  min-height: 700px;
  padding: 24px;
  background:
    radial-gradient(circle at 55% 35%, rgba(255,255,255,.68), transparent 38%),
    linear-gradient(rgba(53,72,83,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53,72,83,.025) 1px, transparent 1px),
    var(--ink);
  background-size: auto, 32px 32px, 32px 32px, auto;
}
.showcase__header { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.eyebrow { margin: 0; color: #52626a; font: 700 10px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .16em; text-transform: uppercase; }
.showcase__header h1 { margin: 8px 0 0; max-width: 760px; font-size: clamp(24px, 4vw, 40px); line-height: 1.05; letter-spacing: -.035em; }
.mode-badge { flex: none; padding: 9px 12px; border: 1px solid var(--line); color: #60717b; background:rgba(255,255,255,.64); font: 700 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.mode-badge span { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--accent); }
.category-filter { display: flex; align-items: center; gap: 12px; margin: 12px 0 14px; color: #746c5e; font: 700 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .09em; text-transform: uppercase; }
.category-tabs { display: flex; gap: 8px; margin: 0; overflow-x: auto; scrollbar-width: none; }
.category-tabs::-webkit-scrollbar { display: none; }
.category-tab { flex: none; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.52); color: var(--muted); padding: 9px 13px; cursor: pointer; font: 700 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.category-tab:hover, .category-tab:focus-visible { color: var(--text); border-color: var(--line-strong); outline: none; }
.category-tab[aria-pressed="true"] { color: #fffdf8; background: var(--accent); border-color: var(--accent); }
.equipment-directory { display: grid; grid-template-columns: auto minmax(0,1fr); align-items: start; gap: 13px; margin: 24px 0 0; }
.equipment-directory__label { padding-top: 13px; color: #746c5e; font: 700 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .09em; text-transform: uppercase; }
.equipment-directory__list { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 8px; }
.equipment-directory__button { min-width: 0; min-height: 54px; display: flex; align-items: center; justify-content: flex-start; gap: 9px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; color: #46535a; background: rgba(255,253,248,.72); box-shadow: 0 1px 0 rgba(255,255,255,.72); cursor: pointer; font: 700 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .025em; text-align: left; transition: border-color .16s ease, background-color .16s ease, color .16s ease, transform .16s ease; }
.equipment-directory__button:hover,.equipment-directory__button:focus-visible { color: var(--text); background: rgba(255,255,255,.88); border-color: var(--line-strong); outline: none; transform: translateY(-1px); }
.equipment-directory__button[aria-pressed="true"] { color: #fffdf8; background: var(--accent); border-color: var(--accent); box-shadow: 0 8px 20px rgba(36,52,61,.16); }
.equipment-directory__copy { min-width: 0; display: grid; gap: 4px; }
.equipment-directory__copy > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.equipment-directory__count { color: #7a878d; font-size: 8px; font-weight: 650; letter-spacing: .08em; }
.equipment-directory__button[aria-pressed="true"] .equipment-directory__count { color: rgba(255,253,248,.68); }
.equipment-directory__icon { position: relative; flex: none; width: 20px; height: 14px; border: 1px solid currentColor; background: transparent; opacity: .82; }
.equipment-directory__icon::before,.equipment-directory__icon::after { content:""; position:absolute; background:currentColor; opacity:.72; }
.equipment-directory__icon::before { left:3px; right:3px; top:3px; height:2px; box-shadow:0 4px 0 currentColor; }
.equipment-directory__icon::after { width:3px; height:3px; right:2px; bottom:1px; border-radius:50%; }
.equipment-directory__button[data-directory-kind="rack"] .equipment-directory__icon,.equipment-directory__button[data-directory-kind="switchgear"] .equipment-directory__icon,.equipment-directory__button[data-directory-kind="ups"] .equipment-directory__icon { width:14px; height:20px; }
.equipment-directory__button[data-directory-kind="busway"] .equipment-directory__icon,.equipment-directory__button[data-directory-kind="route"] .equipment-directory__icon { width:26px; height:8px; }
.equipment-directory__button[data-directory-kind="cooling-tower"] .equipment-directory__icon::after,.equipment-directory__button[data-directory-kind="chiller"] .equipment-directory__icon::after,.equipment-directory__button[data-directory-kind="dry-cooler"] .equipment-directory__icon::after { width:8px; height:8px; right:5px; bottom:2px; border:1px solid currentColor; background:transparent; }
.recommendation-bar { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 12px; margin: -2px 0 12px; padding: 10px 12px; border: 1px solid #79837d; background: rgba(230,232,225,.78); color: #334149; font: 750 10px/1.25 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .035em; }
.recommendation-bar[hidden] { display: none; }
.recommendation-bar small { color: #6a767c; font-size: 8px; font-weight: 650; text-align: right; }
.recommendation-bar button { border: 1px solid rgba(45,59,66,.28); background: rgba(255,253,248,.78); color: #405059; padding: 7px 9px; cursor: pointer; font: 700 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .04em; }
.recommendation-bar button:hover,.recommendation-bar button:focus-visible { border-color: var(--accent); outline: none; }
.catalog-search { display: grid; grid-template-columns: auto repeat(5,minmax(120px,1fr)) minmax(220px,1.6fr); align-items: center; justify-content: end; gap: 8px; margin: -3px 0 14px; color: #6b7c86; font: 700 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.catalog-search input,.catalog-search select { width: 100%; min-width: 0; border: 1px solid var(--line); border-radius: 0; background: rgba(255,255,255,.82); color: var(--text); padding: 9px 11px; outline: none; font: 500 11px/1.2 ui-sans-serif, system-ui, sans-serif; letter-spacing: 0; text-transform: none; }
.catalog-search select { cursor: pointer; }
.catalog-search input:focus,.catalog-search select:focus { border-color: var(--accent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent); }
.showcase__body { min-height: 535px; display: grid; grid-template-columns: minmax(190px, .72fr) minmax(340px, 1.45fr) minmax(260px, .9fr); border: 1px solid var(--line); background: rgba(255,253,248,.78); box-shadow:0 18px 52px rgba(63,78,87,.12); }
.equipment-rail { min-width: 0; border-right: 1px solid var(--line); background: rgba(251,249,244,.90); }
.equipment-rail__meta { display: flex; justify-content: space-between; gap: 12px; padding: 13px 14px; border-bottom: 1px solid var(--line); color: #6b7c86; font: 700 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.equipment-list { max-height: 492px; overflow: auto; scrollbar-color: #a9b5bb transparent; }
.equipment-empty { padding: 28px 18px; color: #6c787e; font-size: 11px; line-height: 1.65; }
.equipment-button { width: 100%; display: grid; grid-template-columns: 9px minmax(0,1fr); gap: 11px; text-align: left; padding: 15px 14px; border: 0; border-bottom: 1px solid var(--line); color: var(--text); background: transparent; cursor: pointer; }
.equipment-button:hover, .equipment-button:focus-visible { background: rgba(49,66,76,.05); outline: none; }
.equipment-button[aria-pressed="true"] { background: rgba(45,59,66,.06); box-shadow: inset 3px 0 0 var(--accent); }
.equipment-button__dot { width: 3px; height: 28px; margin-top: 1px; border-radius: 2px; background: rgba(45,59,66,.24); }
.equipment-button[aria-pressed="true"] .equipment-button__dot { background: var(--accent); }
.equipment-button__eyebrow { display: block; color: #65737a; font: 700 9px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.equipment-button__name { display: block; margin-top: 4px; font-size: 13px; font-weight: 650; line-height: 1.3; }
.equipment-button__model { display: block; margin-top: 4px; color: #71818a; font-size: 10px; line-height: 1.35; }
.equipment-button__facts { display: block; margin-top: 7px; color: #53646c; font: 650 8px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .025em; }
.equipment-button__recommended { display: inline-flex; margin-top: 8px; padding: 4px 6px; border: 1px solid rgba(45,59,66,.24); background: rgba(232,233,229,.72); color: #3e4d55; font: 750 7px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; text-transform: uppercase; }
.model-stage { position: relative; min-width: 0; overflow: hidden; background: radial-gradient(circle at 50% 40%, rgba(255,253,248,.99), rgba(244,242,236,.90) 58%, rgba(222,218,207,.88)); }
.model-stage::after { content: ""; position: absolute; inset: auto 8% 10% 8%; height: 18%; background: radial-gradient(ellipse, rgba(72,88,97,.20), transparent 68%); pointer-events: none; }
.model-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
.model-stage__topline { position: absolute; z-index: 2; inset: 13px 14px auto; display: flex; justify-content: space-between; gap: 12px; color: #62727b; pointer-events: none; font: 700 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.model-stage__hint { position: absolute; z-index: 2; left: 50%; bottom: 14px; transform: translateX(-50%); white-space: nowrap; color: #687983; font: 600 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; text-transform: uppercase; pointer-events: none; }
.model-stage__fallback { position: absolute; z-index: 3; inset: 0; display: grid; place-items: center; padding: 40px; text-align: center; color: var(--muted); background: var(--panel); }
.model-stage__fallback[hidden] { display: none; }
.equipment-detail { min-width: 0; padding: 24px 22px; border-left: 1px solid var(--line); background: rgba(255,253,248,.94); }
.equipment-detail h2 { margin: 9px 0 0; font-size: 24px; line-height: 1.1; letter-spacing: -.03em; }
.equipment-detail__model { margin: 7px 0 0; color: #687983; font-size: 12px; }
.status-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 15px; }
.status-pill, .precision-pill { padding: 6px 8px; border: 1px solid var(--line); color: #53656f; font: 700 8px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .07em; text-transform: uppercase; }
.status-pill { color: #46565e; border-color: var(--line-strong); background: var(--accent-soft); }
.equipment-detail__summary { margin: 16px 0 0; color: #52636c; font-size: 12px; line-height: 1.65; }
.spec-list { margin: 18px 0 0; border-top: 1px solid var(--line); }
.spec-list div { display: grid; grid-template-columns: minmax(80px,.8fr) minmax(0,1.35fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.spec-list dt { color: #6b7c86; font: 700 9px/1.35 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .05em; text-transform: uppercase; }
.spec-list dd { margin: 0; color: #32444e; font-size: 11px; line-height: 1.4; text-align: right; }
.source-card { margin-top: 16px; padding: 11px; border: 1px solid var(--line); background: rgba(237,235,228,.72); }
.source-card span { display: block; color: #6b7c86; font: 700 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .09em; text-transform: uppercase; }
.source-card code { display: block; margin-top: 7px; color: #52646e; overflow-wrap: anywhere; font: 9px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; }
.authority-note { margin: 15px 0 0; color: #687983; font-size: 9px; line-height: 1.55; }
@media (max-width: 920px) {
  .showcase { min-height: 980px; padding: 18px; }
  .showcase__header { align-items: flex-start; flex-direction: column; }
  .showcase__body { grid-template-columns: minmax(170px,.65fr) minmax(0,1.35fr); grid-template-rows: 480px auto; }
  .equipment-detail { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); }
  .catalog-search { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .catalog-search > span,.catalog-search > input { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .showcase { min-height: 1220px; padding: 14px; }
  .showcase__header h1 { font-size: 27px; }
  .catalog-search { grid-template-columns: 1fr; justify-content: stretch; }
  .catalog-search > span,.catalog-search > input { grid-column: auto; }
  .recommendation-bar { grid-template-columns: 1fr; }
  .recommendation-bar small { text-align: left; }
  .equipment-directory { grid-template-columns: 1fr; }
  .equipment-directory__label { padding-top: 0; }
  .equipment-directory__list { display: flex; overflow-x: auto; }
  .equipment-directory__button { flex: 0 0 132px; border-bottom: 0; }
  .category-filter { align-items: flex-start; flex-direction: column; }
  .showcase__body { display: flex; flex-direction: column; }
  .equipment-rail { border-right: 0; border-bottom: 1px solid var(--line); }
  .equipment-list { display: flex; max-height: none; overflow-x: auto; }
  .equipment-button { flex: 0 0 210px; min-height: 92px; border-right: 1px solid var(--line); border-bottom: 0; }
  .model-stage { min-height: 410px; }
  .equipment-detail { min-height: 470px; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}