/* Referenzen: Karte, Liste und Bildserien im InfraDot-Linienraster. */
.reference-explorer { padding-block: clamp(48px, 6vw, 82px) clamp(64px, 8vw, 106px); }
.reference-intro { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; margin-bottom: 36px; }
.reference-intro .section-title { font-size: clamp(28px, 3.5vw, 43px); }
.reference-intro-copy { padding-bottom: 8px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.reference-toolbar { display: flex; align-items: stretch; justify-content: space-between; gap: 24px; margin-bottom: 22px; border-bottom: 1px solid var(--line-2); }
.reference-filters, .reference-view-switch { display: flex; gap: 22px; }
.reference-filters button, .reference-view-switch button { position: relative; display: inline-flex; align-items: center; gap: 10px; min-height: 54px; padding: 0 0 17px; border: 0; border-radius: 0; background: transparent; color: var(--muted); font: 450 15px/1.4 var(--font); cursor: pointer; white-space: nowrap; }
.reference-filters button::after, .reference-view-switch button::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; content: ''; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .2s var(--ease); }
.reference-filters button[aria-pressed="true"], .reference-view-switch button[aria-pressed="true"] { color: var(--text); }
.reference-filters button[aria-pressed="true"]::after, .reference-view-switch button[aria-pressed="true"]::after { transform: scaleX(1); }
.reference-filters button:hover, .reference-view-switch button:hover { color: var(--sky); }
.reference-filters button > span { color: var(--muted); font: 400 10px/1 var(--mono); }
.reference-view-switch { gap: 18px; }
.reference-view-switch svg { width: 18px; height: 18px; }
.reference-explorer button:focus-visible, .reference-explorer a:focus-visible, .reference-map-pin:focus-visible { outline: 2px solid var(--sky); outline-offset: 5px; }
.reference-workspace { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); border: 1px solid var(--line-2); background: var(--surface); }
.reference-browser { min-width: 0; background: var(--bg-2); }
.reference-map-panel { display: flex; flex-direction: column; height: 100%; min-height: 500px; overflow: hidden; background: radial-gradient(ellipse at 50% 48%, rgba(26, 65, 194, .11), transparent 65%); }
.reference-map-heading, .reference-map-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 25px 27px; color: var(--muted); font: 400 10px/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.reference-map-region { font: 600 20px/1 var(--font); color: rgba(141, 149, 171, .45); letter-spacing: -.02em; }
.reference-map-canvas { display: grid; place-items: center; flex: 1; width: 100%; padding: 10px 18px 24px; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(transparent, black 10%, black 90%, transparent); }
.reference-map-canvas > svg { display: block; width: 100%; height: auto; overflow: visible; }
.reference-map-land { fill: #101a30; stroke: #48617f; stroke-width: 1.15; vector-effect: non-scaling-stroke; }
.reference-map-canton { fill: rgba(61, 107, 255, .025); stroke: rgba(126, 156, 197, .28); stroke-width: .65; vector-effect: non-scaling-stroke; }
.reference-map-lake { fill: #080e1b; stroke: #253853; stroke-width: .5; }
.reference-map-pin { cursor: pointer; outline: none; }
.reference-map-pin[hidden] { display: none; }
.reference-map-connector { stroke: var(--sky); stroke-width: .8; opacity: .55; fill: none; }
.reference-map-anchor { fill: var(--sky); opacity: .7; }
.reference-map-pin-target { fill: transparent; }
.reference-map-pin-halo { fill: rgba(90, 184, 245, .09); stroke: rgba(90, 184, 245, .3); stroke-width: 1; }
.reference-map-pin-dot { fill: var(--sky); stroke: #080b16; stroke-width: 2; }
.reference-map-pin-count { fill: var(--bg); font: 600 11px var(--font); text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.reference-map-pin[aria-pressed="true"] .reference-map-pin-halo { fill: rgba(61, 107, 255, .3); stroke: var(--sky); }
.reference-map-pin[aria-pressed="true"] .reference-map-pin-dot { fill: #eef1f8; }
.reference-map-pin:hover .reference-map-pin-halo, .reference-map-pin:focus-visible .reference-map-pin-halo { stroke: #eef1f8; }
.reference-map-label { fill: var(--text); font: 500 12px/1.3 var(--font); paint-order: stroke; stroke: #080b16; stroke-width: 4px; stroke-linejoin: round; opacity: 0; pointer-events: none; }
.reference-map-pin[aria-pressed="true"] .reference-map-label, .reference-map-pin:hover .reference-map-label, .reference-map-pin:focus-visible .reference-map-label { opacity: 1; }
.reference-map-foot { padding-top: 20px; border-top: 1px solid var(--line); letter-spacing: .02em; font-size: 10px; text-transform: none; }
.reference-map-key { display: flex; align-items: center; gap: 9px; }
.reference-map-key i { width: 6px; height: 6px; background: var(--sky); }
.reference-map-foot > span:last-child { display: inline-flex; gap: 10px; align-items: center; }
.reference-map-foot svg { width: 15px; height: 15px; }
.reference-detail { min-width: 0; display: flex; flex-direction: column; border-left: 1px solid var(--line-2); }
.reference-detail-photo { position: relative; width: 100%; aspect-ratio: 1.5; overflow: hidden; background: #101a2a; border-bottom: 1px solid var(--line-2); }
.reference-detail-photo > img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.reference-image-expand { position: absolute; top: 16px; right: 16px; display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid rgba(255, 255, 255, .3); border-radius: 0; color: white; background: rgba(5, 7, 13, .65); cursor: pointer; }
.reference-image-expand svg { width: 18px; height: 18px; }
.reference-photo-index { position: absolute; bottom: 16px; left: 18px; color: white; padding: 5px 8px; background: rgba(5, 7, 13, .72); font: 400 10px/1.4 var(--mono); }
.reference-photo-controls { position: absolute; right: 16px; bottom: 16px; display: flex; gap: 1px; }
.reference-photo-controls button { display: grid; place-items: center; width: 35px; height: 35px; padding: 8px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 0; color: white; background: rgba(5, 7, 13, .72); cursor: pointer; }
.reference-photo-controls button:hover, .reference-image-expand:hover { background: var(--blue); }
.reference-photo-controls button:disabled { opacity: .35; cursor: default; }
.reference-photo-controls svg { width: 18px; height: 18px; }
.reference-detail-copy { display: flex; flex: 1; flex-direction: column; padding: 27px 28px 24px; }
.reference-detail-kicker { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 13px; color: var(--sky); font: 400 10px/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.reference-detail-kicker > span:last-child { color: var(--muted); }
.reference-detail h3 { font: 600 clamp(24px, 2.3vw, 30px)/1.2 var(--font); letter-spacing: -.025em; margin: 0 0 10px; }
.reference-detail-place { color: var(--text); font-size: 15px; }
.reference-detail-street { color: var(--muted); font-size: 14px; margin-top: 2px; }
.reference-detail-description { margin-top: 15px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.reference-detail-footer { margin-top: auto; padding-top: 22px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.reference-detail-footer > span { font-size: 11px; color: var(--muted); }
.reference-detail-footer > a { color: var(--sky); font-size: 12px; min-height: 30px; display: inline-flex; align-items: center; white-space: nowrap; }
.reference-photo-empty { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; padding: 30px; background: repeating-linear-gradient(135deg, transparent 0 35px, rgba(160, 180, 255, .04) 36px 37px), #0e1527; }
.reference-photo-empty > span { margin-bottom: 12px; color: var(--sky); font: 400 10px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.reference-photo-empty p { max-width: 300px; font: 500 26px/1.3 var(--font); color: var(--text); }
.reference-photo-empty small { margin-top: 14px; font-size: 13px; color: var(--muted); }
.reference-list-panel { min-height: 500px; height: 100%; max-height: 550px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; padding: 0 25px 14px; }
.reference-list-heading { display: flex; justify-content: space-between; gap: 10px; position: sticky; top: 0; z-index: 1; padding: 24px 32px 18px 0; color: var(--muted); background: var(--bg-2); font: 400 10px/1.5 var(--mono); text-transform: uppercase; letter-spacing: .1em; border-bottom: 1px solid var(--line-2); }
.reference-list-group h3 { display: flex; align-items: center; gap: 12px; padding: 20px 0 10px; font: 450 13px/1.4 var(--font); color: var(--sky); }
.reference-list-group h3 > span { color: var(--muted); font: 400 9px/1 var(--mono); }
.reference-project-row { display: grid; grid-template-columns: 20px minmax(0, 1fr) minmax(75px, .65fr) 17px; align-items: center; gap: 12px; width: 100%; min-height: 76px; padding: 13px 7px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--text); text-align: left; font-family: var(--font); cursor: pointer; }
.reference-project-row:hover { background: rgba(61, 107, 255, .06); }
.reference-project-row.is-active { background: rgba(61, 107, 255, .11); box-shadow: inset 2px 0 var(--blue); }
.reference-row-number { color: var(--muted); font: 400 9px/1 var(--mono); }
.reference-row-project { min-width: 0; }
.reference-row-project strong { display: block; font-size: 15px; font-weight: 500; line-height: 1.3; }
.reference-row-project small { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; }
.reference-row-place { color: var(--muted); font-size: 12px; line-height: 1.4; }
.reference-project-row > svg { width: 17px; height: 17px; color: var(--sky); }
.reference-selection { margin-top: 29px; }
.reference-selection-heading { display: flex; justify-content: space-between; gap: 18px; margin-bottom: 13px; font: 450 13px/1.4 var(--font); }
.reference-selection-heading > span:last-child { font: 400 10px/1.5 var(--mono); color: var(--muted); }
.reference-project-rail { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-left: 1px solid var(--line-2); border-top: 1px solid var(--line-2); }
.reference-project-tile { position: relative; min-width: 0; display: flex; flex-direction: column; align-items: flex-start; min-height: 130px; padding: 18px 17px; border: 0; border-right: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); border-radius: 0; background: var(--bg-2); color: var(--text); font-family: var(--font); text-align: left; cursor: pointer; }
.reference-project-tile:hover { background: var(--surface-2); }
.reference-project-tile.is-active { background: rgba(61, 107, 255, .1); box-shadow: inset 0 2px var(--blue); }
.reference-tile-number { margin-bottom: 16px; color: var(--muted); font: 400 9px/1 var(--mono); }
.reference-project-tile strong { font-size: 14px; font-weight: 500; line-height: 1.3; padding-right: 8px; }
.reference-tile-place { margin-top: 6px; color: var(--muted); font-size: 12px; }
.reference-project-tile > svg { position: absolute; top: 14px; right: 13px; width: 17px; height: 17px; color: var(--sky); }
.reference-explorer [hidden] { display: none !important; }
.reference-workspace[data-current-view="list"] + .reference-selection { display: none; }
.reference-lightbox { width: min(1120px, calc(100vw - 48px)); max-width: none; height: min(880px, calc(100dvh - 48px)); max-height: none; margin: auto; padding: 0; border: 1px solid var(--line-2); border-radius: 0; color: var(--text); background: var(--bg-2); }
.reference-lightbox[open] { display: flex; flex-direction: column; }
.reference-lightbox::backdrop { background: rgba(2, 4, 9, .93); }
.reference-lightbox-top { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 19px 24px; border-bottom: 1px solid var(--line-2); }
.reference-lightbox-top span { font: 400 10px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--sky); }
.reference-lightbox-top h2 { margin-top: 5px; font: 500 21px/1.2 var(--font); }
.reference-lightbox button { display: grid; place-items: center; width: 40px; height: 40px; padding: 10px; border: 1px solid var(--line-2); border-radius: 0; color: var(--text); background: transparent; cursor: pointer; }
.reference-lightbox button:hover { background: var(--blue); }
.reference-lightbox button:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; }
.reference-lightbox button:disabled { opacity: .3; cursor: default; }
.reference-lightbox svg { width: 20px; height: 20px; }
.reference-lightbox-photo { min-height: 0; display: grid; place-items: center; flex: 1; padding: 20px; }
.reference-lightbox-photo > img { display: block; width: 100%; height: 100%; min-height: 0; object-fit: contain; }
.reference-lightbox-bottom { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 16px 24px; border-top: 1px solid var(--line-2); color: var(--muted); font: 400 12px/1.4 var(--font); }
.reference-lightbox-bottom > div { display: flex; align-items: center; gap: 16px; }
.reference-lightbox-bottom [data-lightbox-index] { font: 400 11px/1.4 var(--mono); color: var(--text); }
.references-partners { border-top: 1px solid var(--line-2); background: var(--bg-2); }
@media (max-width: 1100px) {
  .reference-filters { gap: 16px; }
  .reference-filters button, .reference-view-switch button { font-size: 13px; }
  .reference-filters button { gap: 6px; }
  .reference-workspace { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
  .reference-map-panel, .reference-list-panel { min-height: 480px; }
  .reference-map-heading, .reference-map-foot { padding-inline: 20px; }
  .reference-detail-copy { padding-inline: 23px; }
  .reference-project-tile { padding-inline: 13px; }
}
@media (max-width: 850px) {
  .reference-toolbar { flex-wrap: wrap; gap: 0; }
  .reference-filters { flex: 1 1 100%; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); }
  .reference-filters button { padding-bottom: 13px; min-height: 48px; }
  .reference-view-switch { margin-left: auto; }
  .reference-view-switch button { min-height: 47px; padding-block: 12px; }
  .reference-map-foot > span:last-child { font-size: 9px; letter-spacing: 0; }
  .reference-map-canvas { padding-inline: 5px; }
  .reference-detail-photo { aspect-ratio: 1.3; }
  .reference-project-rail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .reference-project-tile { min-height: 116px; }
  .reference-list-panel { padding-inline: 14px; }
  .reference-project-row { grid-template-columns: minmax(0, 1fr) 80px 15px; gap: 8px; }
  .reference-row-number { display: none; }
}
@media (max-width: 640px) {
  .reference-intro { display: block; margin-bottom: 26px; }
  .reference-intro-copy { margin-top: 16px; font-size: 14px; }
  .reference-intro-copy br { display: none; }
  .reference-filters { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
  .reference-filters button { justify-content: space-between; min-height: 45px; padding-block: 12px; white-space: normal; text-align: left; font-size: 14px; }
  .reference-workspace { grid-template-columns: minmax(0, 1fr); }
  .reference-map-panel { min-height: 320px; }
  .reference-map-heading { padding-block: 18px 7px; }
  .reference-map-canvas { padding: 0 9px 4px; }
  .reference-map-foot { padding-block: 16px; }
  .reference-map-label { font-size: 20px; }
  .reference-map-pin-target { r: 25px; }
  .reference-map-pin-halo { r: 14px; }
  .reference-map-pin-dot { r: 8px; }
  .reference-detail { border-left: 0; border-top: 1px solid var(--line-2); }
  .reference-detail-photo { aspect-ratio: 1.5; }
  .reference-detail-copy { padding: 25px 22px; }
  .reference-detail h3 { font-size: 27px; }
  .reference-detail-footer { padding-top: 19px; }
  .reference-list-panel { min-height: 280px; max-height: 480px; padding-inline: 19px; }
  .reference-project-row { grid-template-columns: minmax(0, 1fr) 95px 17px; min-height: 74px; }
  .reference-list-heading { padding-right: 27px; }
  .reference-project-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reference-project-tile { min-height: 117px; padding-inline: 15px; }
  .reference-lightbox { width: calc(100vw - 20px); height: calc(100dvh - 20px); }
  .reference-lightbox-top, .reference-lightbox-bottom { padding-inline: 15px; }
  .reference-lightbox-top h2 { font-size: 19px; }
  .reference-lightbox-photo { padding: 12px; }
  .reference-lightbox-bottom > div { gap: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .reference-filters button::after, .reference-view-switch button::after { transition: none; }
}