.project-tour-page {
  background: #061321;
  color: var(--color-white);
}

.tour-main {
  min-height: 100dvh;
  background: #061321;
}

.tour-intro {
  display: grid;
  gap: var(--space-6);
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--container-xl));
  margin-inline: auto;
  padding-block: clamp(var(--space-8), 6vw, var(--space-16));
}

.tour-back-link {
  display: inline-block;
  margin-bottom: var(--space-5);
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
}

.tour-back-link:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.tour-intro h1 {
  max-width: 18ch;
  font-size: clamp(2rem, 1.45rem + 2.2vw, 4.5rem);
}

.tour-intro p {
  max-width: 68ch;
  margin-top: var(--space-5);
  color: rgba(255, 255, 255, 0.74);
}

.tour-intro-actions {
  margin-top: var(--space-5);
}

.tour-intro-toggle {
  grid-column: 1 / -1;
  justify-self: start;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(2, 9, 16, 0.72);
  color: rgba(255, 255, 255, 0.88);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
}

.tour-intro-toggle:hover,
.tour-intro-toggle:focus-visible {
  border-color: var(--color-accent-500);
  color: var(--color-white);
}

.tour-intro.is-collapsed [data-tour-intro-content],
.tour-intro.is-collapsed .tour-legend {
  display: none;
}

.tour-legend {
  display: flex;
  align-items: center;
  align-self: end;
  gap: var(--space-5);
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--text-sm);
}

.tour-legend span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.tour-legend-dot {
  width: 0.75rem;
  height: 0.75rem;
  border: 2px solid var(--color-white);
  border-radius: 50%;
}

.tour-legend-dot.is-project {
  background: var(--color-accent-500);
}

.tour-legend-dot.is-landmark {
  background: #2ea6a2;
}

.tour-viewer {
  position: relative;
  width: 100%;
  min-height: clamp(34rem, 75dvh, 58rem);
  overflow: hidden;
  border-block: 1px solid rgba(255, 255, 255, 0.14);
  background: #020910;
  isolation: isolate;
}

.tour-viewer:focus-visible {
  outline: 3px solid rgba(208, 173, 105, 0.88);
  outline-offset: -4px;
}

.tour-panorama,
.tour-loading,
.tour-error {
  position: absolute;
  inset: 0;
}

.tour-panorama {
  background: #020910;
}

.tour-panorama canvas {
  display: block;
}

.tour-loading {
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: #020910;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 750;
}

.tour-loading[hidden],
.tour-error[hidden] {
  display: none;
}

.tour-loading-spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid rgba(255, 255, 255, 0.24);
  border-top-color: var(--color-accent-400);
  border-radius: 50%;
  animation: tour-spin 800ms linear infinite;
}

@keyframes tour-spin {
  to { transform: rotate(360deg); }
}

.tour-error {
  z-index: 21;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: var(--space-4);
  padding: clamp(var(--space-6), 7vw, var(--space-16));
  background: #071a2d;
}

.tour-error p {
  max-width: 48ch;
  color: rgba(255, 255, 255, 0.72);
}

.tour-controls {
  position: absolute;
  right: max(var(--space-4), env(safe-area-inset-right));
  bottom: max(var(--space-4), env(safe-area-inset-bottom));
  z-index: 14;
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(5, 17, 29, 0.86);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(10px);
}

.tour-controls button {
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.55rem 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-white);
  font: inherit;
  font-size: var(--text-xs);
  font-weight: 750;
  cursor: pointer;
}

.tour-controls button:hover:not(:disabled) {
  border-color: var(--color-accent-400);
  background: rgba(208, 173, 105, 0.14);
}

.tour-controls button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.tour-controls [data-tour-audio-toggle] {
  min-width: 6.5rem;
  border-color: rgba(208, 173, 105, 0.48);
}

.tour-controls [data-tour-audio-toggle][aria-pressed="true"] {
  border-color: var(--color-accent-500);
  background: var(--color-accent-500);
  color: var(--color-primary-950);
}

.tour-audio-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.tour-help {
  position: absolute;
  z-index: 13;
  left: max(var(--space-4), env(safe-area-inset-left));
  bottom: max(var(--space-4), env(safe-area-inset-bottom));
  max-width: min(30rem, calc(100% - 22rem));
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: rgba(5, 17, 29, 0.84);
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--text-xs);
  backdrop-filter: blur(8px);
}

.tour-marker {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
  background: rgba(5, 17, 29, 0.9);
  color: var(--color-white);
  font: inherit;
  font-size: var(--text-xs);
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  backdrop-filter: blur(9px);
}

.tour-marker::before {
  width: 0.58rem;
  height: 0.58rem;
  flex: 0 0 auto;
  border: 2px solid var(--color-white);
  border-radius: 50%;
  content: "";
}

.tour-marker::after {
  position: absolute;
  top: 100%;
  left: 50%;
  width: 1px;
  height: 1rem;
  background: rgba(255, 255, 255, 0.7);
  content: "";
}

.tour-marker-project {
  border-color: rgba(208, 173, 105, 0.9);
}

.tour-marker-project::before {
  box-shadow: 0 0 0 3px rgba(208, 173, 105, 0.24);
  background: var(--color-accent-500);
}

.tour-marker-landmark::before {
  box-shadow: 0 0 0 3px rgba(46, 166, 162, 0.25);
  background: #2ea6a2;
}

.tour-landmark {
  position: relative;
}

.tour-landmark-tooltip {
  position: absolute;
  top: calc(100% + 1.35rem);
  left: 50%;
  width: max-content;
  max-width: 15rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-sm);
  transform: translateX(-50%);
  background: rgba(5, 17, 29, 0.94);
  color: rgba(255, 255, 255, 0.84);
  font-size: var(--text-xs);
  line-height: 1.4;
  text-align: center;
  pointer-events: none;
  backdrop-filter: blur(9px);
}

.tour-landmark-tooltip[hidden] {
  display: none;
  pointer-events: none;
}

.tour-project-card {
  position: fixed;
  right: clamp(var(--space-4), 4vw, var(--space-10));
  bottom: clamp(5.5rem, 8vw, 7rem);
  z-index: 110;
  width: min(calc(100% - 2rem), 25rem);
  padding: var(--space-6);
  border-left: 3px solid var(--color-accent-500);
  border-radius: var(--radius-sm);
  box-shadow: 0 24px 60px rgba(2, 9, 16, 0.38);
  background: var(--color-white);
  color: var(--color-primary-950);
  animation: tour-card-in 180ms ease-out both;
}

.tour-project-card[hidden] {
  display: none;
}

.tour-project-card h2 {
  padding-right: var(--space-8);
  font-size: var(--text-2xl);
}

.tour-project-card p {
  margin-top: var(--space-4);
  color: var(--color-text-secondary);
}

.tour-card-context {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.tour-card-actions {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.tour-project-card .tour-card-actions .button {
  width: 100%;
  margin: 0;
}

.tour-card-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-primary-950);
  font-size: var(--text-xl);
  cursor: pointer;
}

@keyframes tour-card-in {
  from { opacity: 0; transform: translateY(0.75rem); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 50rem) {
  .tour-intro {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 75rem) {
  .project-tour-page .site-footer {
    display: none;
  }

  .tour-main {
    min-height: 100dvh;
  }

  .tour-intro {
    position: absolute;
    top: 0;
    left: var(--desktop-nav-width);
    z-index: 12;
    width: min(36rem, calc(100vw - var(--desktop-nav-width) - 2rem));
    margin: 0;
    padding: clamp(var(--space-6), 4vw, var(--space-12));
    pointer-events: none;
  }

  .tour-intro::before {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(105deg, rgba(2, 9, 16, 0.93), rgba(2, 9, 16, 0.62) 72%, transparent);
    content: "";
  }

  .tour-intro > * {
    pointer-events: auto;
  }

  .tour-intro.is-collapsed {
    width: auto;
    padding: var(--space-4);
  }

  .tour-intro h1 {
    max-width: 13ch;
    font-size: clamp(2.4rem, 3vw, 4rem);
  }

  .tour-legend {
    margin-top: var(--space-4);
  }

  .tour-viewer {
    min-height: 100dvh;
    border: 0;
  }

  .tour-project-card {
    bottom: var(--space-8);
  }
}

@media (max-width: 49.99rem) {
  .tour-intro {
    padding-block: var(--space-8);
  }

  .tour-viewer {
    min-height: 72dvh;
  }

  .tour-help {
    top: var(--space-4);
    bottom: auto;
    max-width: calc(100% - 2rem);
  }

  .tour-controls {
    right: var(--space-3);
    bottom: var(--space-3);
    left: var(--space-3);
    justify-content: flex-end;
  }

  .tour-controls button {
    flex: 1 1 auto;
  }

  .tour-project-card {
    right: var(--space-3);
    bottom: calc(5.75rem + env(safe-area-inset-bottom));
    left: var(--space-3);
    width: auto;
    max-height: min(31rem, calc(100dvh - 8rem));
    overflow-y: auto;
  }

  .tour-viewer[data-card-open="true"] .tour-controls {
    opacity: 0;
    pointer-events: none;
  }

  .tour-marker {
    min-height: 2.65rem;
    padding: 0.5rem 0.65rem;
  }
}

@media (max-width: 24rem) {
  .tour-controls {
    flex-wrap: wrap;
  }

  .tour-controls button {
    min-width: calc(25% - var(--space-2));
    font-size: 0.72rem;
  }

  .tour-controls [data-tour-audio-toggle] {
    min-width: calc(50% - var(--space-2));
  }
}

@media (prefers-reduced-motion: reduce) {
  .tour-loading-spinner,
  .tour-project-card {
    animation: none;
  }
}

.tour-calibrator {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 30;
  width: min(22rem, calc(100% - 2rem));
  border: 1px solid rgba(208, 173, 105, 0.55);
  border-radius: var(--radius-md);
  background: rgba(7, 26, 45, 0.96);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
  backdrop-filter: blur(12px);
}

.project-tour-page.has-tour-calibrator .tour-viewer {
  z-index: 20;
}

.tour-calibrator-heading {
  display: flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
}

.tour-calibrator-heading div {
  display: grid;
}

.tour-calibrator-heading span {
  color: var(--color-accent-400);
  font-size: var(--text-xs);
}

.tour-calibrator-heading button,
.tour-calibrator button {
  min-height: 2.75rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-white);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.tour-calibrator-heading button {
  width: 2.75rem;
  padding: 0;
}

.tour-calibrator-body {
  display: grid;
  gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-4);
}

.tour-calibrator-body > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.tour-calibrator label {
  display: grid;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 700;
}

.tour-calibrator select {
  width: 100%;
  min-height: 2.75rem;
  padding: 0 var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-primary-950);
  font: inherit;
}

.tour-calibrator .tour-calibrator-primary {
  border-color: var(--color-accent-500);
  background: var(--color-accent-500);
  color: var(--color-primary-950);
}

.tour-calibrator .tour-calibrator-primary[aria-pressed="true"] {
  border-color: var(--color-warning-100);
  background: var(--color-warning-700);
  color: var(--color-white);
}

.tour-calibrator-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.tour-calibrator-status {
  min-height: 2.5rem;
}

.tour-calibrator.is-minimised .tour-calibrator-body {
  display: none;
}

.tour-viewer.is-calibrating .tour-marker,
.tour-viewer.is-calibrating .tour-landmark-tooltip {
  opacity: 0;
  pointer-events: none;
}

.tour-viewer.is-calibrating .tour-panorama {
  cursor: crosshair;
}

@media (max-width: 49.99rem) {
  .tour-calibrator {
    top: var(--space-3);
    right: var(--space-3);
    left: var(--space-3);
    width: auto;
  }
}