/* Interactive tree homepage prototype — scoped to .page-dendro */

.page-dendro .site-footer,
.page-dendro .signature-wrap {
  display: none;
}

.page-dendro #content {
  padding: 0;
}

.page-dendro .top-sticky {
  background: rgba(247, 244, 238, 0.72);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
}

.tree-demo {
  --tree-ink: #243f3e;
  --tree-soft: #5c6f6c;
  --tree-moss: #6f9a96;
  --tree-sand: #f3efe6;
  --tree-panel: rgba(255, 252, 247, 0.94);
  min-height: calc(100dvh - 4.5rem);
  display: grid;
  grid-template-rows: auto 1fr auto;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(184, 210, 206, 0.35), transparent 55%),
    linear-gradient(180deg, #f7f4ee 0%, #e8eef0 100%);
}

.tree-demo__intro {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0.75rem;
  text-align: center;
}

.tree-demo__badge {
  display: inline-block;
  margin: 0 0 0.65rem;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: rgba(111, 154, 150, 0.16);
  color: var(--tree-moss);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tree-demo__intro h1 {
  margin: 0 0 0.45rem;
  font-family: Marcellus, Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.75rem, 4vw, 2.55rem);
  color: var(--tree-ink);
  letter-spacing: 0.01em;
}

.tree-demo__lead {
  margin: 0 auto 0.55rem;
  color: var(--tree-soft);
  font-size: 1.02rem;
  line-height: 1.55;
  max-width: 36rem;
}

.tree-demo__hint {
  margin: 0;
  font-size: 0.86rem;
  color: rgba(36, 63, 62, 0.62);
}

.tree-demo__hint-touch { display: none; }

@media (hover: none) and (pointer: coarse) {
  .tree-demo__hint-desktop { display: none; }
  .tree-demo__hint-touch { display: inline; }
}

.tree-stage {
  position: relative;
  margin: 0.5rem 0.75rem 0;
  border-radius: 1.35rem;
  overflow: hidden;
  min-height: min(72dvh, 820px);
  border: 1px solid rgba(36, 63, 62, 0.1);
  box-shadow:
    0 24px 50px rgba(28, 42, 44, 0.1),
    0 2px 8px rgba(28, 42, 44, 0.04);
  background: #d8e2e0;
}

.tree-viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  outline: none;
}

.tree-viewport:active { cursor: grabbing; }
.tree-viewport:focus-visible {
  box-shadow: inset 0 0 0 2px var(--tree-moss);
}

.tree-world {
  position: absolute;
  inset: 0;
  transform-origin: center center;
  will-change: transform;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.tree-world.is-dragging {
  transition: none;
}

.tree-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.tree-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.tree-branch__glow {
  fill: rgba(255, 250, 240, 0.22);
  stroke: rgba(111, 154, 150, 0.35);
  stroke-width: 0.25;
  transition: fill 0.3s ease, stroke 0.3s ease, r 0.3s ease;
}

.tree-branch__dot {
  fill: #f7f4ee;
  stroke: #3d5c59;
  stroke-width: 0.35;
  filter: drop-shadow(0 0 0.35px rgba(255, 255, 255, 0.9));
  transition: fill 0.25s ease, r 0.25s ease;
}

.tree-branch.is-active .tree-branch__glow,
.tree-branch.is-hover .tree-branch__glow {
  fill: rgba(180, 214, 210, 0.45);
  stroke: rgba(61, 92, 89, 0.55);
}

.tree-branch.is-active .tree-branch__dot {
  fill: #3d5c59;
  stroke: #f7f4ee;
}

.tree-hotspots {
  position: absolute;
  inset: 0;
}

.tree-hotspot {
  position: absolute;
  width: 3.1rem;
  height: 3.1rem;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: transparent;
  cursor: pointer;
  z-index: 2;
}

.tree-hotspot::before {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 252, 247, 0.85);
  background: rgba(61, 92, 89, 0.55);
  box-shadow:
    0 0 0 6px rgba(111, 154, 150, 0.18),
    0 4px 14px rgba(28, 42, 44, 0.22);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.tree-hotspot:hover::before,
.tree-hotspot:focus-visible::before,
.tree-hotspot.is-active::before {
  transform: scale(1.12);
  background: rgba(61, 92, 89, 0.85);
  box-shadow:
    0 0 0 8px rgba(111, 154, 150, 0.28),
    0 6px 18px rgba(28, 42, 44, 0.28);
}

.tree-hotspot:focus-visible {
  outline: none;
}

.tree-hotspot__label {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.35rem);
  transform: translateX(-50%);
  white-space: nowrap;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 252, 247, 0.92);
  color: var(--tree-ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 14px rgba(28, 42, 44, 0.12);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.tree-hotspot:hover .tree-hotspot__label,
.tree-hotspot:focus-visible .tree-hotspot__label,
.tree-hotspot.is-active .tree-hotspot__label {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

.tree-panel {
  position: absolute;
  z-index: 5;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  max-width: 22rem;
  margin-inline: auto;
  padding: 1.25rem 1.25rem 1.15rem;
  border-radius: 1.15rem;
  background: var(--tree-panel);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border: 1px solid rgba(36, 63, 62, 0.1);
  box-shadow: 0 18px 40px rgba(28, 42, 44, 0.14);
  animation: tree-panel-in 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (min-width: 820px) {
  .tree-panel {
    left: auto;
    right: 1.25rem;
    bottom: auto;
    top: 1.25rem;
    margin-inline: 0;
  }
}

@keyframes tree-panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.tree-panel[hidden] { display: none; }

.tree-panel__close {
  position: absolute;
  top: 0.55rem;
  right: 0.65rem;
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--tree-soft);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.tree-panel__close:hover { color: var(--tree-ink); background: rgba(111, 154, 150, 0.12); }

.tree-panel__kicker {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tree-moss);
}

.tree-panel__title {
  margin: 0 0 0.55rem;
  font-family: Marcellus, Georgia, serif;
  font-weight: 400;
  font-size: 1.45rem;
  color: var(--tree-ink);
  padding-right: 1.5rem;
}

.tree-panel__blurb {
  margin: 0 0 1rem;
  color: var(--tree-soft);
  line-height: 1.55;
  font-size: 0.98rem;
}

.tree-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tree-panel .btn--ghost {
  background: transparent;
  border: 1px solid rgba(36, 63, 62, 0.18);
  color: var(--tree-ink);
}

.tree-hud {
  position: absolute;
  z-index: 4;
  left: 0.85rem;
  bottom: 0.85rem;
  display: flex;
  gap: 0.35rem;
}

.tree-hud__btn {
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid rgba(36, 63, 62, 0.12);
  border-radius: 0.75rem;
  background: rgba(255, 252, 247, 0.9);
  color: var(--tree-ink);
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(28, 42, 44, 0.08);
}

.tree-hud__btn--wide {
  width: auto;
  padding: 0 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.tree-hud__btn:hover {
  background: #fff;
  border-color: rgba(111, 154, 150, 0.45);
}

.tree-demo__alt {
  padding: 1rem 1.25rem 1.75rem;
  text-align: center;
}

.tree-demo__alt p {
  margin: 0 0 0.65rem;
  color: var(--tree-soft);
  font-size: 0.92rem;
}

.tree-demo__alt a { color: var(--tree-moss); font-weight: 600; }

.tree-demo__alt ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 0.85rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
}

@media (prefers-reduced-motion: reduce) {
  .tree-world { transition: none; }
  .tree-panel { animation: none; }
}