/* ============================================
   THE LILONG — THE LANE WALK
   Vertical scroll-bound axonometric
   ============================================ */

.lilong {
  position: relative;
  padding: var(--s-9) 0;
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  overflow: hidden;
}

.lilong-header {
  text-align: center;
  margin-bottom: var(--s-6);
  position: relative;
  z-index: 2;
}

.lilong-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cinnabar);
  display: block;
  margin-bottom: var(--s-3);
}

.lilong-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--ink);
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0;
}

.lilong-title em {
  font-style: italic;
  color: var(--cinnabar);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}

.lilong-title .zh {
  display: block;
  font-family: var(--font-ch-display);
  font-size: 0.5em;
  font-weight: 500;
  color: var(--cinnabar);
  margin-top: 0.3em;
  letter-spacing: 0.1em;
}

.lilong-deck {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--ink-3);
  max-width: 580px;
  margin: 1.2rem auto 0;
  line-height: 1.5;
}

.lilong-compound {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-top: 1.5rem;
}

.lilong-compound strong { color: var(--cinnabar); font-weight: 500; }

/* The walkable lane */

.lilong-walk {
  position: relative;
  width: 100%;
  max-width: 1280px;
  margin: var(--s-6) auto 0;
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 0;
  min-height: 2400px;
}

.lilong-walk::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--ink-5);
  opacity: 0.3;
  z-index: 0;
}

/* The lane centre (column 2): the axonometric SVG */
.lilong-lane {
  position: relative;
  z-index: 1;
  padding: 0 var(--s-3);
}

.lilong-lane-illus {
  position: sticky;
  top: 15vh;
  width: 100%;
  display: block;
}

.lilong-lane-illus svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Houses/doorways on left/right */
.lilong-house {
  position: relative;
  padding: var(--s-5) 0;
  min-height: 180px;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.lilong-house.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.lilong-house.is-active .lilong-house-card {
  background: var(--paper);
  border-color: var(--cinnabar);
  box-shadow: var(--shadow-paper);
}

.lilong-house.left { text-align: right; padding-right: var(--s-4); }
.lilong-house.right { text-align: left; padding-left: var(--s-4); }

.lilong-house-card {
  background: var(--paper-2);
  border: 1px solid var(--ink-5);
  padding: 1.5rem;
  position: relative;
  transition: all 0.3s;
  cursor: pointer;
}

.lilong-house.left .lilong-house-card::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -8px;
  width: 16px;
  height: 1px;
  background: var(--ink-5);
}

.lilong-house.right .lilong-house-card::after {
  content: "";
  position: absolute;
  top: 50%;
  left: -8px;
  width: 16px;
  height: 1px;
  background: var(--ink-5);
}

.lilong-house.is-active .lilong-house-card::after { background: var(--cinnabar); }

.lilong-house-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lilong-house.left .lilong-house-num {
  justify-content: flex-end;
}

.lilong-house-num .char {
  font-family: var(--font-ch);
  font-size: 1.2rem;
  color: var(--cinnabar);
  letter-spacing: 0;
}

.lilong-house-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 0.3rem;
  line-height: 1.2;
  color: var(--ink);
}

.lilong-house-title .zh {
  display: block;
  font-family: var(--font-ch);
  font-size: 0.7em;
  font-weight: 500;
  color: var(--cinnabar);
  margin-top: 0.2em;
}

.lilong-house-meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-top: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lilong-house.left .lilong-house-meta {
  justify-content: flex-end;
}

.lilong-house-meta .pip {
  width: 4px;
  height: 4px;
  background: var(--cinnabar);
  border-radius: 50%;
}

.lilong-house-excerpt {
  margin-top: 0.8rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-2);
  font-style: italic;
  border-top: 1px dashed var(--ink-5);
  padding-top: 0.8rem;
}

.lilong-house-audio {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cinnabar);
  cursor: pointer;
}

.lilong-house-audio:hover { color: var(--cinnabar-deep); }
.lilong-house-audio .play-icon {
  width: 14px;
  height: 14px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 7px;
  padding-left: 1px;
}

/* The endpoints */
.lilong-end {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  text-align: center;
}

.lilong-end.top { top: -1rem; }
.lilong-end.bottom { bottom: -1rem; }

.lilong-end-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border: 2px solid var(--cinnabar);
  border-radius: 50%;
  background: var(--paper);
  font-family: var(--font-ch);
  font-size: 1.5rem;
  color: var(--cinnabar);
  margin-bottom: 0.5rem;
  position: relative;
}

.lilong-end-marker::before, .lilong-end-marker::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 50px;
  height: 1px;
  background: var(--cinnabar);
}

.lilong-end-marker::before { right: 100%; }
.lilong-end-marker::after { left: 100%; }

.lilong-end-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cinnabar);
  font-weight: 500;
}

@media (max-width: 960px) {
  .lilong-walk {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .lilong-walk::before { display: none; }
  .lilong-house.left, .lilong-house.right {
    text-align: left;
    padding: 0;
  }
  .lilong-house.left .lilong-house-num { justify-content: flex-start; }
  .lilong-house.left .lilong-house-meta { justify-content: flex-start; }
  .lilong-house.left .lilong-house-card::after,
  .lilong-house.right .lilong-house-card::after { display: none; }
  .lilong-lane-illus { position: relative; top: 0; max-width: 280px; margin: 0 auto; }
}

/* Set by jumpTo() in main.js for the duration of a long same-page jump, so
   a whole section's worth of scroll-reveal elements (e.g. all ~15 lilong
   houses becoming "intersecting" in the same frame) snap straight to their
   revealed state instead of animating simultaneously. */
html.suppress-reveal-transitions .lilong-house {
  transition: none !important;
}