.tour-panel-hover {
    transition: box-shadow 0.2s ease;
}

.tour-panel-hover:hover {
    box-shadow: var(--bs-box-shadow);
}

details[open] .tour-open-icon {
    transform: scale(1.05);
}

details[open] .tour-chevron {
    transform: rotate(180deg);
}

.tour-open-icon,
.tour-chevron {
    transition: transform 0.3s ease;
}

.staircase-bauhaus-timeline__triangle-tr {
    width: 20rem;
    height: 20rem;
    clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.staircase-bauhaus-timeline__triangle-bl {
    width: 14rem;
    height: 14rem;
    clip-path: polygon(0 100%, 100% 100%, 0 0);
}

.staircase-bauhaus-timeline__accent {
    width: 1.5rem;
    height: 8rem;
    top: 50%;
    left: 25%;
}

.staircase-bauhaus-timeline__sidebar {
    width: 36px;
}

.staircase-bauhaus-timeline__sidebar-title {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    letter-spacing: 0.25em;
}

.staircase-bauhaus-timeline__sidebar-line {
    width: 1px;
    min-height: 120px;
}

.staircase-bauhaus-timeline__stairs > * + * {
    margin-top: 1.5rem;
}

.staircase-bauhaus-timeline__stairs [data-indent] {
    margin-left: calc(var(--staircase-bauhaus-timeline__indent, 0) * 1px);
}

.staircase-bauhaus-timeline__number {
    width: 3.5rem;
    height: 3.5rem;
}

.staircase-bauhaus-timeline__connector {
    left: 1.75rem;
    top: 3.5rem;
    width: 1px;
    height: calc(100% + 1.5rem);
}

@keyframes staircase-bauhaus-timeline__draw {
    from { height: 0; }
    to { height: 100%; }
}

.staircase-bauhaus-timeline__line-animated {
    animation: staircase-bauhaus-timeline__draw 1.2s ease forwards;
}

.staircase-bauhaus-timeline__min-shrink {
  min-width: 0;
}

/* Совпадает с Tailwind max-w-4xl (56rem) для Bootstrap-ветки */
.border-rail-list__shell {
    max-width: 56rem;
}

.border-rail-list__portrait {
    width: 7rem;
    height: 7rem;
}

@media (min-width: 768px) {
    .border-rail-list__portrait {
        width: 8rem;
        height: 8rem;
    }
}

.border-rail-list__min-shrink {
  min-width: 0;
}