/* ═══════════════════════════════════════════════════════════════════════════
   X-LINE INTERAKTIV SCEN – STYLESHEET
   Version: 2.0
   Struktur:
     1. Variabler och reset
     2. Container och scen-wrapper
     3. 3D-kameror och lager (perspective)
     4. Ken Burns
     5. Pins
     6. Scen-UI (hint, counter, tillbaka-knapp)
     7. Detaljpanel
     8. Referenskort i detaljpanel
     9. Placeholder- och loading-states
     10. Mobil (fullscreen)
     11. A11y / reduced-motion
   ═══════════════════════════════════════════════════════════════════════════ */

/* ══ 1. Variabler och reset ══════════════════════════════════════════════ */
#xline-scene {
  --bg:          #F7F6F3;
  --bg-alt:      #EDECE7;
  --surface:     #FFFFFF;
  --ink:         #0E0E0C;
  --ink-muted:   #6B6A65;
  --line:        #D8D6CF;
  --line-soft:   #E8E6DF;
  --accent:      #0E0E0C;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --ease:      cubic-bezier(0.65, 0, 0.35, 1);
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-zoom: cubic-bezier(0.83, 0, 0.17, 1);
  --ease-push: cubic-bezier(0.7, 0, 0.2, 1);
  --ease-pull: cubic-bezier(0.4, 0, 0.2, 1);

  --perspective: 1400px;
  --zoom-x: 0;
  --zoom-y: 0;
  --header-clearance: 0px;

  display: block;
  position: relative;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#xline-scene *,
#xline-scene *::before,
#xline-scene *::after { box-sizing: border-box; }

@keyframes xlsFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══ 1b. Alignment-wrapper (shortcode) ══════════════════════════════════ */
/* Default: följer sidans content-bredd. */
.xline-scene-container {
  width: 100%;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

/* Wide alignment — utökar över content-container men inte hela viewporten.
   Max 1400 px; centreras horisontellt i viewporten via margin-calc. */
.xline-scene-container.xline-scene-align-wide {
  width: min(100vw, 1400px);
  max-width: min(100vw, 1400px);
  margin-left: calc(50% - min(50vw, 700px));
  margin-right: calc(50% - min(50vw, 700px));
}

/* Full alignment — bryter ut ur content-container och fyller hela viewport-bredden.
   Använder calc-margin-tekniken som är mer robust än `left: 50%; margin-left: -50vw`
   när parent inte är perfekt centrerad i viewporten. */
.xline-scene-container.xline-scene-align-full {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

/* Förhindra horisontell scroll orsakad av 100vw när en scrollbar är synlig.
   Aktiveras enbart när en full-width-scen finns på sidan. */
html:has(.xline-scene-align-full),
body:has(.xline-scene-align-full) {
  overflow-x: clip;
}
@supports not selector(:has(*)) {
  html, body { overflow-x: clip; }
}

/* ══ 2. Container och scen-wrapper ══════════════════════════════════════ */
#xline-scene .scene-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1600 / 872;
  background: var(--bg-alt);
  overflow: hidden;
  opacity: 0;
  animation: xlsFadeUp 1s var(--ease-out) 0.3s forwards;
  perspective: var(--perspective);
  perspective-origin: 50% 50%;
  transform-style: preserve-3d;
}

/* I full-width- och wide-läget fyller scenen hela container-bredden. */
.xline-scene-align-full #xline-scene,
.xline-scene-align-wide #xline-scene {
  width: 100%;
  display: block;
}

/* Wide: följer container-bredden, inga viewport-constraints utöver det. */
.xline-scene-align-wide #xline-scene .scene-wrapper {
  width: 100%;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

/* Full-bleed: äkta hero som alltid får plats i viewporten.
   Bredden är den minsta av (100vw) eller (viewport-höjd × aspect-ratio),
   vilket gör att scenen skalas ner på ultrabreda/låga skärmar istället
   för att tvinga vertikal scroll. Centreras horisontellt. */
.xline-scene-align-full #xline-scene .scene-wrapper {
  width: min(100vw, calc((100vh - var(--header-clearance, 0px)) * 1600 / 872));
  max-width: 100vw;
  max-height: calc(100vh - var(--header-clearance, 0px));
  margin-left: auto;
  margin-right: auto;
}

/* ══ 3. 3D-kameror och lager ═════════════════════════════════════════════ */
#xline-scene .scene-camera {
  position: absolute;
  inset: 0;
  transform-origin: 50% 50%;
  transform-style: preserve-3d;
  transition: transform 1.2s var(--ease-zoom);
  will-change: transform;
}

#xline-scene .scene-wrapper.zoomed .main-camera {
  transform: scale(2.6) translate(var(--zoom-x, 0), var(--zoom-y, 0));
}

#xline-scene .scene-wrapper.zoomed .main-camera .pin:not(.pin-active) {
  opacity: 0;
  transform: scale(0.5) translateZ(var(--pin-z, 0));
  pointer-events: none;
}

/* Lagerstacken inuti varje kamera. */
#xline-scene .scene-layers {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

/* Enskilt djup-lager. Data-depth: negativa värden = längre bort, positiva = närmare. */
#xline-scene .scene-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: translateZ(var(--depth, 0px))
             scale(calc(1 + var(--depth, 0) * -0.001));
  pointer-events: none;
}

#xline-scene .scene-layer.pin-layer {
  pointer-events: none;
  transform-style: preserve-3d;
}

#xline-scene .pin { pointer-events: auto; }

#xline-scene .scene-layer > img,
#xline-scene .scene-layer > .scene-image {
  position: absolute;
  top: -8%;
  left: -8%;
  width: 116%;
  height: 116%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

/* ══ Sub-scen ════════════════════════════════════════════════════════════ */
#xline-scene .sub-camera {
  opacity: 0;
  pointer-events: none;
  background: var(--bg-alt);
  transform: scale(1.4);
  transition: opacity 0.8s var(--ease) 0.25s,
              transform 1.1s var(--ease-push) 0.15s;
  overflow: hidden;
}

#xline-scene .scene-wrapper.sub-active .sub-camera {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

/* Framför-lager blurrar ut i push-through-övergången */
#xline-scene .scene-wrapper.pushing .main-camera .scene-layer[data-depth-sign="front"] {
  filter: blur(12px);
  opacity: 0;
  transition: filter 0.5s var(--ease-push), opacity 0.5s var(--ease-push);
}

#xline-scene .sub-camera .pin {
  opacity: 0;
  transform: scale(0) translateZ(var(--pin-z, 0));
}

#xline-scene .scene-wrapper.sub-active .sub-camera .pin {
  animation: xlsPinIn 0.6s var(--ease-out) forwards;
}

#xline-scene .scene-wrapper.detail-active .sub-camera .pin:not(.pin-active) {
  opacity: 0;
  pointer-events: none;
}

/* ══ 4. Ken Burns (ambient loop på huvudscenen) ══════════════════════════ */
@keyframes xlsKenBurns {
  0%   { transform: scale(1.0) translate(0%, 0%); }
  50%  { transform: scale(1.03) translate(-0.8%, -0.4%); }
  100% { transform: scale(1.0) translate(0%, 0%); }
}

#xline-scene .scene-wrapper:not(.zoomed):not(.sub-active) .main-camera .scene-layer[data-ken-burns="true"] {
  animation: xlsKenBurns 32s ease-in-out infinite;
}

/* ══ 5. Pins ═════════════════════════════════════════════════════════════
   Form: vit pill med svart karta-pin-cirkel (32×32) som "cap" till vänster
   + titel-etikett till höger. Cirkeln täcker pillens vänstra rundning helt
   så ingen vit sliver syns.
   Ankare: cirkelns centrum sitter vid (pin.x%, pin.y%). JS genererar
   `left: calc(X% - 16px); top: calc(Y% - 16px);`. Vi använder INTE
   `translate(-50%, -50%)` för centrering eftersom det bryter hit-testing
   när föräldern är `transform-style: preserve-3d`.
*/
/* Pill-form: ikon-cirkel (svart) vänster + titel-text höger.
   Cirkeln är exakt lika stor som pillens höjd (32x32) och ersätter därmed
   pillens vänstra rundning — inget vitt syns till vänster om ikonen. */
#xline-scene .pin {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 32px;
  padding: 0 16px 0 0;
  background: var(--surface);
  color: var(--ink);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.22),
    0 2px 6px rgba(0, 0, 0, 0.10),
    0 0 0 1px rgba(0, 0, 0, 0.04);
  opacity: 0;
  transform: scale(0) translateZ(var(--pin-z, 0));
  transform-origin: 16px 16px;
  animation: xlsPinIn 0.55s var(--ease-out) forwards;
  transition: transform 0.3s var(--ease),
              box-shadow 0.3s var(--ease),
              background 0.25s, color 0.25s,
              opacity 0.45s var(--ease);
  z-index: 10;
}

/* Flippad pin: högersidans pins ankrar via `right:` och visar etikett
   till vänster om ikonen. Hindrar att långa etiketter klipps av viewport-kanten.
   Ikon-cirkeln sitter till höger och blir därmed pillens "cap". */
#xline-scene .pin.pin-flip-left {
  flex-direction: row-reverse;
  padding: 0 0 0 16px;
  transform-origin: calc(100% - 16px) 16px;
}

#xline-scene .pin .pin-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex: none;
  background: var(--ink);
  color: var(--surface);
  border-radius: 50%;
  transition: background 0.25s, color 0.25s;
}

#xline-scene .pin .pin-icon-svg {
  display: block;
  width: 16px;
  height: 22px;
}

#xline-scene .pin .pin-text {
  line-height: 1;
  padding-top: 1px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Osynlig större träffyta för säkrare klick */
#xline-scene .pin::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 999px;
  background: transparent;
}

@keyframes xlsPinIn {
  0%   { opacity: 0; transform: scale(0) translateZ(var(--pin-z, 0)); }
  60%  { transform: scale(1.08) translateZ(var(--pin-z, 0)); }
  100% { opacity: 1; transform: scale(1) translateZ(var(--pin-z, 0)); }
}

#xline-scene .pin:hover,
#xline-scene .pin:focus-visible {
  background: var(--ink);
  color: var(--surface);
  transform: scale(1.06) translateZ(var(--pin-z, 0));
  box-shadow:
    0 14px 32px rgba(0, 0, 0, 0.32),
    0 4px 10px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(0, 0, 0, 0.1);
  outline: none;
}

#xline-scene .pin-active {
  background: var(--ink) !important;
  color: var(--surface) !important;
}

/* ══ 6. Scen-UI (hint, counter, tillbaka-knapp, ljud-toggle) ═════════════ */
#xline-scene .scene-hint,
#xline-scene .scene-counter {
  position: absolute;
  bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink);
  text-transform: uppercase;
  opacity: 0;
  animation: xlsFadeUp 0.8s var(--ease-out) 1.4s forwards;
  transition: opacity 0.4s;
  border-radius: 2px;
  z-index: 15;
}

#xline-scene .scene-hint { left: 1.5rem; }

#xline-scene .scene-counter {
  right: 1.5rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 14px;
  text-transform: none;
  letter-spacing: 0.05em;
}

#xline-scene .scene-counter strong { font-weight: 400; font-size: 16px; }

#xline-scene .scene-hint-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink);
  animation: xlsPulse 2s ease-out infinite;
}

#xline-scene .scene-wrapper.zoomed .scene-hint,
#xline-scene .scene-wrapper.zoomed .scene-counter {
  opacity: 0;
  pointer-events: none;
}

#xline-scene .back-to-overview {
  position: absolute;
  top: calc(1.25rem + var(--header-clearance));
  left: 1.25rem;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 12px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  z-index: 25;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out) 0.9s,
              background 0.2s, color 0.2s,
              padding-left 0.25s;
  border-radius: 2px;
}

#xline-scene .scene-wrapper.sub-active .back-to-overview {
  opacity: 1;
  pointer-events: auto;
}

#xline-scene .scene-wrapper.sub-active.detail-active .back-to-overview {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

#xline-scene .back-to-overview:hover {
  background: var(--ink);
  color: var(--surface);
  padding-left: 14px;
}

#xline-scene .back-to-overview svg {
  width: 14px;
  height: 14px;
  transition: transform 0.25s var(--ease);
}

#xline-scene .back-to-overview:hover svg { transform: translateX(-3px); }

/* Ljud-toggle (valfritt) */
#xline-scene .audio-toggle {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 15;
  color: var(--ink);
  opacity: 0;
  animation: xlsFadeUp 0.8s var(--ease-out) 1.6s forwards;
}

#xline-scene .audio-toggle.visible { display: flex; }
#xline-scene .audio-toggle:hover { background: var(--ink); color: var(--surface); }
#xline-scene .audio-toggle svg { width: 16px; height: 16px; }
#xline-scene .audio-toggle[aria-pressed="true"] .audio-muted { display: none; }
#xline-scene .audio-toggle[aria-pressed="false"] .audio-on { display: none; }

/* ══ 7. Detaljpanel ══════════════════════════════════════════════════════ */
#xline-scene .detail-panel {
  position: absolute;
  inset: 0;
  background: var(--surface);
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s var(--ease) 0.5s;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
}

#xline-scene .scene-wrapper.detail-active .detail-panel {
  opacity: 1;
  pointer-events: auto;
}

#xline-scene .detail-image {
  position: relative;
  background: var(--bg-alt);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

#xline-scene .detail-image.placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0%, transparent 49%, rgba(14, 14, 12, 0.05) 50%, transparent 51%, transparent 100%),
    linear-gradient(0deg, transparent 0%, transparent 49%, rgba(14, 14, 12, 0.05) 50%, transparent 51%, transparent 100%);
  background-size: 60px 60px;
}

#xline-scene .detail-image.placeholder::after {
  content: attr(data-hint);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--ink-muted);
  text-transform: uppercase;
  text-align: center;
  padding: 12px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
}

#xline-scene .placeholder-scan {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  background: var(--ink);
  opacity: 0;
  animation: xlsScanY 2.8s var(--ease-out) infinite;
}

@keyframes xlsScanY {
  0%   { top: 0%;   opacity: 0; }
  10%  { opacity: 0.4; }
  90%  { opacity: 0.4; }
  100% { top: 100%; opacity: 0; }
}

#xline-scene .detail-body {
  padding: calc(3rem + var(--header-clearance)) 2.75rem 3rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  position: relative;
}

#xline-scene .detail-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s var(--ease-out) 1s,
              transform 0.5s var(--ease-out) 1s;
}

#xline-scene .scene-wrapper.detail-active .detail-meta {
  opacity: 1;
  transform: translateY(0);
}

#xline-scene .detail-number {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 13px;
  color: var(--ink-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

#xline-scene .detail-breadcrumb {
  display: none;
  align-items: center;
  gap: 8px;
  margin-bottom: 1rem;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s var(--ease-out) 0.9s,
              transform 0.5s var(--ease-out) 0.9s;
}

#xline-scene .scene-wrapper.detail-active.reference-mode .detail-breadcrumb {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

#xline-scene .detail-breadcrumb button {
  background: none;
  border: none;
  color: var(--ink);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

#xline-scene .detail-breadcrumb button:hover { color: var(--ink-muted); }
#xline-scene .detail-breadcrumb svg { width: 12px; height: 12px; }

#xline-scene .detail-nav { display: flex; gap: 4px; }

#xline-scene .nav-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  border-radius: 0;
  padding: 0;
}

#xline-scene .nav-btn:hover {
  background: var(--ink);
  color: var(--surface);
  border-color: var(--ink);
}

#xline-scene .nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

#xline-scene .nav-btn:disabled:hover {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

#xline-scene .nav-btn svg { width: 14px; height: 14px; }

#xline-scene .detail-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-out) 1.1s,
              transform 0.6s var(--ease-out) 1.1s;
}

#xline-scene .scene-wrapper.detail-active .detail-title {
  opacity: 1;
  transform: translateY(0);
}

#xline-scene .detail-description {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-muted);
  margin: 0 0 2rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-out) 1.2s,
              transform 0.6s var(--ease-out) 1.2s;
}

#xline-scene .scene-wrapper.detail-active .detail-description {
  opacity: 1;
  transform: translateY(0);
}

#xline-scene .detail-actions {
  display: flex;
  gap: 1rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-out) 1.4s,
              transform 0.6s var(--ease-out) 1.4s;
  margin-top: auto;
  padding-top: 1.5rem;
}

#xline-scene .scene-wrapper.detail-active .detail-actions {
  opacity: 1;
  transform: translateY(0);
}

#xline-scene .detail-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: var(--ink);
  color: var(--surface);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
  border-radius: 0;
  border: 1px solid var(--ink);
  cursor: pointer;
}

#xline-scene .detail-cta:hover {
  background: var(--surface);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
}

#xline-scene .detail-cta .arrow { transition: transform 0.25s var(--ease); }
#xline-scene .detail-cta:hover .arrow { transform: translateX(5px); }

#xline-scene .detail-close {
  position: absolute;
  top: calc(1.25rem + var(--header-clearance));
  right: 1.25rem;
  width: 44px;
  height: 44px;
  background: var(--surface);
  border: 1px solid var(--line);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  z-index: 30;
  border-radius: 0;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out) 0.9s,
              background 0.2s, color 0.2s;
  padding: 0;
}

#xline-scene .scene-wrapper.detail-active .detail-close { opacity: 1; }

#xline-scene .detail-close:hover {
  background: var(--ink);
  color: var(--surface);
}

#xline-scene .detail-close svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s var(--ease);
}

#xline-scene .detail-close:hover svg { transform: rotate(90deg); }

#xline-scene .detail-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--ink);
  transition: width 0.6s var(--ease-out) 1.5s;
  width: 0%;
}

#xline-scene .scene-wrapper.detail-active .detail-progress {
  width: var(--progress, 10%);
}

/* ══ 8. Referenskort i detaljpanel ═══════════════════════════════════════ */
#xline-scene .detail-references {
  margin: 0 0 2rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-out) 1.3s,
              transform 0.6s var(--ease-out) 1.3s;
}

#xline-scene .scene-wrapper.detail-active .detail-references {
  opacity: 1;
  transform: translateY(0);
}

#xline-scene .scene-wrapper.reference-mode .detail-references {
  display: none;
}

#xline-scene .detail-references-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

#xline-scene .detail-references-label::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--ink-muted);
}

#xline-scene .detail-references-scroll {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.5rem 0 0.9rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  perspective: 800px;
}

#xline-scene .detail-references-scroll::-webkit-scrollbar { height: 4px; }
#xline-scene .detail-references-scroll::-webkit-scrollbar-track { background: transparent; }
#xline-scene .detail-references-scroll::-webkit-scrollbar-thumb { background: var(--line); border-radius: 2px; }

#xline-scene .reference-card {
  flex: 0 0 220px;
  scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--line);
  cursor: pointer;
  text-align: left;
  padding: 0;
  font-family: inherit;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease-out),
              border-color 0.25s,
              box-shadow 0.35s var(--ease-out);
  transform-style: preserve-3d;
  will-change: transform;
  border-radius: 0;
}

#xline-scene .reference-card:hover,
#xline-scene .reference-card:focus-visible {
  border-color: var(--ink);
  transform: translateY(-3px) rotateX(4deg) rotateY(-2deg);
  box-shadow: 0 12px 30px -8px rgba(14, 14, 12, 0.25);
  outline: none;
}

#xline-scene .reference-card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

#xline-scene .reference-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14, 14, 12, 0.15) 100%);
}

#xline-scene .reference-card-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#xline-scene .reference-card-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--ink);
}

#xline-scene .reference-card-location {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0;
}

/* När detaljpanelen visar ett referensprojekt (inte ett område) */
#xline-scene .scene-wrapper.reference-mode .detail-actions .detail-cta {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--ink);
}

#xline-scene .scene-wrapper.reference-mode .detail-actions .detail-cta:hover {
  background: var(--ink);
  color: var(--surface);
}

/* ══ 9. Placeholder- och loading-states ══════════════════════════════════ */
#xline-scene .scene-layer[data-loading="true"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    var(--bg-alt) 0%,
    var(--line-soft) 40%,
    var(--bg-alt) 80%);
  background-size: 200% 100%;
  animation: xlsShimmer 1.8s linear infinite;
  pointer-events: none;
}

@keyframes xlsShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

#xline-scene .scene-layer[data-lqip] > img {
  filter: blur(20px);
  transform: scale(1.05);
  transition: filter 0.6s var(--ease), transform 0.6s var(--ease);
}

#xline-scene .scene-layer[data-lqip][data-loaded="true"] > img {
  filter: blur(0);
  transform: scale(1);
}

#xline-scene .scene-layer > .placeholder-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 6px 12px;
  background: rgba(14, 14, 12, 0.7);
  color: rgba(255, 255, 255, 0.9);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 2px;
  z-index: 2;
}

/* ══ 10. Mobil (fullscreen) ═════════════════════════════════════════════ */
#xline-scene .mobile-list {
  display: none;
}

@media (max-width: 900px) {
  #xline-scene .scene-wrapper {
    aspect-ratio: 9 / 16;
    max-height: calc(100vh - var(--header-clearance));
  }

  /* Mobil full-bleed: använd portrait-aspect för viewport-fit så vi slipper
     horisontell scroll även på mycket höga skärmar. */
  .xline-scene-align-full #xline-scene .scene-wrapper {
    width: min(100vw, calc((100vh - var(--header-clearance, 0px)) * 9 / 16));
  }

  /* Kompaktare text på mobil, samma ikon-storlek så ankare-offset förblir korrekt.
     Begränsar maxbredd så långa etiketter inte tränger över halva scenen. */
  #xline-scene .pin {
    font-size: 10.5px;
    gap: 7px;
    padding-right: 12px;
    max-width: 180px;
    letter-spacing: 0.015em;
  }

  /* Flippade pins på mobil: spegelbild av padding + maxbredd */
  #xline-scene .pin.pin-flip-left {
    padding: 0 0 0 12px;
  }

  #xline-scene .pin .pin-text {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  #xline-scene .detail-panel {
    grid-template-columns: 1fr;
    grid-template-rows: 35vh 1fr;
  }

  #xline-scene .detail-body {
    padding: 1.5rem 1.25rem 2rem;
  }

  #xline-scene .detail-references-scroll {
    margin: 0 -1.25rem;
    padding: 0.5rem 1.25rem 0.9rem;
  }

  #xline-scene .reference-card { flex: 0 0 180px; }

  #xline-scene .scene-hint { left: 1rem; bottom: 1rem; font-size: 10px; padding: 8px 10px; }
  #xline-scene .scene-counter { right: 1rem; bottom: 1rem; font-size: 12px; padding: 8px 10px; }

  #xline-scene .back-to-overview {
    top: calc(0.75rem + var(--header-clearance));
    left: 0.75rem;
    font-size: 10px;
    padding: 8px 12px 8px 10px;
  }

  #xline-scene .detail-close {
    top: calc(0.75rem + var(--header-clearance));
    right: 0.75rem;
    width: 40px;
    height: 40px;
  }
}

/* ══ 11. A11y / reduced-motion ═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  #xline-scene *,
  #xline-scene *::before,
  #xline-scene *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.15s !important;
  }

  #xline-scene .scene-layers { transform: none !important; }
  #xline-scene .scene-layer { transform: translateZ(var(--depth, 0px)) !important; }
}

#xline-scene.no-motion .scene-layers { transform: none !important; }
#xline-scene.no-motion .scene-layer[data-ken-burns="true"] { animation: none !important; }
#xline-scene.no-motion .pin { animation: none !important; opacity: 1 !important; transform: none !important; }

/* Focus trap stöd */
#xline-scene [data-focus-guard] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* SEO noscript fallback */
#xline-scene noscript {
  display: block;
  padding: 2rem;
  background: var(--surface);
}

#xline-scene noscript ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#xline-scene noscript li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-soft);
}

#xline-scene noscript a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}

#xline-scene noscript a:hover { text-decoration: underline; }