/* The tour: a small thumbnail at the foot of the hero column opens the video with sound. */
.tour-thumb {
  position: relative;
  display: block;
  width: min(300px, 100%);
  margin-top: 4px;
  padding: 0;
  border: 0;
  border-radius: 12px;
  overflow: hidden;
  background: var(--hero-card);
  box-shadow: var(--glass-edge);
  cursor: pointer;
}

.tour-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  opacity: 0.9;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

.tour-thumb:hover img {
  opacity: 1;
  transform: scale(1.03);
}

.tour-thumb-label {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 10px 8px;
  background: linear-gradient(transparent, rgb(4 7 14 / 0.85));
  color: #eef2fb;
  font-size: 0.875rem;
  font-weight: 650;
  text-align: left;
}

.tour-disc {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--scene-accent);
  color: var(--scene-on-accent);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.tour-disc svg {
  width: 12px;
  height: 12px;
  margin-left: 2px;
  fill: currentColor;
}

.tour-thumb:hover .tour-disc {
  transform: scale(1.08);
}

.tour-time {
  color: #b9c3da;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* Where the picture would run into the steps bar (long languages, short screens): a plain link. */
.tour-thumb.is-compact {
  width: auto;
  border-radius: 999px;
  background: none;
  box-shadow: none;
}

.tour-thumb.is-compact img {
  display: none;
}

.tour-thumb.is-compact .tour-thumb-label {
  position: static;
  padding: 2px 8px 2px 0;
  background: none;
  color: var(--scene-ink);
}

.tour-thumb.is-compact .tour-time {
  color: var(--scene-muted);
}

.tour-thumb:focus-visible {
  outline: 2px solid var(--scene-accent);
  outline-offset: 3px;
}

/* The dialog */
.tour {
  position: fixed;
  width: min(92vw, 1440px);
  max-height: 92vh;
  padding: 0;
  border: 1px solid var(--surface-3);
  border-radius: 18px;
  background: #000;
  overflow: hidden;
}

.tour::backdrop {
  background: rgb(4 7 14 / 0.8);
  backdrop-filter: blur(6px);
}

.tour video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  background: #000;
}

.tour-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: rgb(10 16 29 / 0.7);
  color: #eef2fb;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.tour-close svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.tour-close:hover {
  background: rgb(10 16 29 / 0.9);
}

.tour[open] {
  animation: tour-in 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes tour-in {
  from { opacity: 0; transform: scale(0.97); }
}

@media (prefers-reduced-motion: reduce) {
  .tour[open] { animation: none; }
  .tour-disc, .tour-thumb img { transition: none; }
}