/* ==========================================================================
   VR SECTIONS — Dhangaa home-page travel language (docs/14)
   Sovereignty telemetry · orbit gallery · topics orbit · guests constellation
   · portal divider · holographic footer. Loaded on the public layout; all
   selectors are namespaced (og-, sov-, tpo-, gco-, por-, fvr-) so nothing
   collides with app.css.
   ========================================================================== */

:root {
  --vr-red: #e08585;
  --vr-red-deep: #c95e5e;
  --vr-green: #74bd94;
  --vr-green-deep: #48a073;
  --vr-amber: #ffc879;
  --vr-ink: #0a1712;
  --vr-line: rgb(116 189 148 / 0.18);
}

/* ---------- portal divider (hero → archive gate) ---------- */
.por-gate {
  position: relative;
  height: 26svh;
  min-height: 150px;
  margin-top: -18svh;
  pointer-events: none;
  z-index: 5;
}
.por-gate::before,
.por-gate::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(72vw, 640px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  border: 1px solid var(--vr-line);
}
.por-gate::after {
  width: min(52vw, 460px);
  border-color: rgb(224 133 133 / 0.22);
  border-style: dashed;
  animation: por-spin 60s linear infinite;
}
@keyframes por-spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
.por-gate .por-scan {
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--vr-green-deep), transparent);
  opacity: .5;
}

/* ---------- sovereignty telemetry band ---------- */
.sov-band {
  position: relative;
  padding: 2.2rem 1rem 2.6rem;
  overflow: hidden;
}
.sov-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 120% at 50% -20%, rgb(116 189 148 / 0.08), transparent 60%),
    linear-gradient(180deg, rgb(10 23 18 / 0.55), rgb(8 19 14 / 0.85));
  border-top: 1px solid var(--vr-line);
  border-bottom: 1px solid var(--vr-line);
}
.sov-beam {
  position: absolute;
  top: -1px; left: 0;
  width: 34%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--vr-amber), transparent);
  animation: sov-beam 7s linear infinite;
  opacity: .8;
}
@keyframes sov-beam { from { left: -34%; } to { left: 100%; } }

.sov-grid {
  position: relative;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 72rem;
  margin: 0 auto;
}
@media (min-width: 640px) { .sov-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.sov-tile {
  position: relative;
  padding: 1rem 1rem 1.15rem;
  border: 1px solid var(--vr-line);
  background: linear-gradient(160deg, rgb(23 67 49 / 0.25), rgb(10 23 18 / 0.6));
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform .45s cubic-bezier(.2,.8,.2,1), border-color .45s, box-shadow .45s;
  will-change: transform;
}
.sov-tile::after { /* scanline sweep */
  content: "";
  position: absolute;
  inset: -60% auto -60% 0;
  width: 38%;
  background: linear-gradient(100deg, transparent, rgb(116 189 148 / 0.09), transparent);
  transform: translateX(-140%) skewX(-14deg);
  animation: sov-scan 6s ease-in-out infinite;
}
.sov-tile:nth-child(2)::after { animation-delay: 1.4s; }
.sov-tile:nth-child(3)::after { animation-delay: 2.8s; }
.sov-tile:nth-child(4)::after { animation-delay: 4.2s; }
@keyframes sov-scan { 0%, 55% { transform: translateX(-140%) skewX(-14deg); } 90%, 100% { transform: translateX(360%) skewX(-14deg); } }
.sov-tile:hover, .sov-tile:focus-within {
  border-color: rgb(224 133 133 / 0.45);
  box-shadow: 0 18px 44px -18px rgb(0 0 0 / 0.7), 0 0 0 1px rgb(224 133 133 / 0.16) inset;
}
.sov-tile .sov-led {
  position: absolute;
  top: .8rem; right: .8rem;
  width: 7px; height: 7px;
  border-radius: 999px;
  background: var(--vr-green);
  box-shadow: 0 0 10px 1px rgb(116 189 148 / 0.8);
  animation: sov-led 2.6s ease-in-out infinite;
}
.sov-tile.sov-alert .sov-led { background: var(--vr-red-deep); box-shadow: 0 0 10px 1px rgb(201 94 94 / 0.8); }
@keyframes sov-led { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.sov-num {
  font-variant-numeric: tabular-nums;
  display: block;
  font-size: clamp(1.7rem, 4.4vw, 2.4rem);
  line-height: 1.05;
  color: #ecf7f0;
  font-weight: 650;
}
.sov-tile.sov-alert .sov-num { color: var(--vr-red); }
.sov-label {
  display: block;
  margin-top: .3rem;
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgb(212 236 221 / 0.62);
}
.sov-spark { /* timeline sparkline canvas */
  display: block;
  width: 100%;
  height: 30px;
  margin-top: .65rem;
  opacity: .9;
}

.sov-seal {
  position: relative;
  max-width: 72rem;
  margin: 1.4rem auto 0;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border: 1px dashed rgb(116 189 148 / 0.3);
  background: rgb(10 23 18 / 0.5);
}
.sov-seal-ring {
  flex: none;
  width: 54px; height: 54px;
  position: relative;
  border-radius: 999px;
  border: 1px solid rgb(224 133 133 / 0.4);
  display: grid;
  place-items: center;
  color: var(--vr-red);
  font-size: .8rem;
}
.sov-seal-ring::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 999px;
  border: 1px dashed rgb(116 189 148 / 0.5);
  animation: por-spin 26s linear infinite;
}
.sov-seal p { margin: 0; font-size: .82rem; line-height: 1.6; color: rgb(212 236 221 / 0.78); }
.sov-seal p b { color: #ecf7f0; }

/* ---------- orbit gallery section ---------- */
.og-section {
  position: relative;
  height: min(88svh, 900px);
  min-height: 480px;
  overflow: hidden;
  outline: none;
  isolation: isolate;
}
.og-section[data-atmo="light"] { background: linear-gradient(180deg, #dff1e6, #f4faf6); }
.og-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
.og-section:fullscreen { background: #060f0b; }
.og-head {
  position: absolute;
  z-index: 3;
  top: clamp(.9rem, 3svh, 2rem);
  left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 0 1rem;
  pointer-events: none;
}
.og-head > * { pointer-events: auto; }
.og-title { font-size: clamp(1.15rem, 2.6vw, 1.8rem); color: #ecf7f0; text-shadow: 0 2px 18px rgb(0 0 0 / .6); }
.og-title small { display: block; margin-top: .2rem; font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: rgb(167 216 187 / .75); font-weight: 500; }
.og-controls { display: flex; gap: .5rem; }
.og-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  min-height: 40px;
  padding: .35rem .85rem;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #d3ecdd;
  background: rgb(10 23 18 / 0.62);
  border: 1px solid rgb(116 189 148 / 0.35);
  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: border-color .25s, color .25s, background .25s;
  appearance: none;
  -webkit-appearance: none;
}
.og-btn:hover, .og-btn[aria-pressed="true"] { border-color: rgb(224 133 133 / 0.65); color: #fff; background: rgb(20 40 31 / 0.8); }
.og-search {
  min-height: 40px;
  width: 150px;
  padding: .3rem .8rem;
  font-size: .72rem;
  color: #ecf7f0;
  background: rgb(10 23 18 / 0.62);
  border: 1px solid rgb(116 189 148 / 0.35);
  outline: none;
  backdrop-filter: blur(6px);
  transition: width .3s, border-color .25s;
  appearance: none;
}
.og-search::placeholder { color: rgb(167 216 187 / 0.6); }
.og-search:focus { width: 210px; border-color: var(--vr-amber); }
@media (max-width: 760px), (pointer: coarse) {
  .og-search { width: 118px; font-size: .66rem; }
  .og-search:focus { width: 150px; }
}
.og-chip {
  position: absolute;
  z-index: 3;
  max-width: min(78vw, 460px);
  padding: .55rem .8rem .6rem;
  background: rgb(8 19 14 / 0.82);
  border: 1px solid rgb(224 133 133 / 0.4);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translate(-50%, 8px);
  transition: opacity .3s, transform .3s;
  pointer-events: none;
}
.og-chip a { color: #fff; font-weight: 600; font-size: .92rem; text-decoration: none; }
.og-chip a:hover, .og-chip a:focus-visible { color: var(--vr-red); }
.og-chip [data-chip-kicker] { display: block; margin-top: .15rem; font-size: .68rem; letter-spacing: .06em; color: rgb(167 216 187 / .85); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.og-hint {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: clamp(.8rem, 2.6svh, 1.6rem);
  transform: translateX(-50%);
  font-size: .62rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: rgb(167 216 187 / 0.55);
  pointer-events: none;
  text-align: center;
  white-space: nowrap;
}
.og-stereo-line { position: absolute; z-index: 2; left: 50%; top: 0; bottom: 0; width: 1px; background: rgb(255 255 255 / 0.12); opacity: 0; pointer-events: none; }
/* dedicated, always-visible stereo exit — independent of the mode toggle */
.og-vr-exit {
  position: absolute;
  z-index: 8;
  left: 50%;
  top: clamp(.6rem, 2svh, 1.2rem);
  transform: translateX(-50%);
  display: none;
  min-height: 46px;
  min-width: 46px;
  padding: .4rem 1.1rem;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #0a1712;
  background: var(--vr-amber);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  appearance: none;
  box-shadow: 0 4px 22px rgb(255 200 121 / 0.45);
}
.og-section.gallery-stereo .og-vr-exit { display: inline-flex; align-items: center; }
html.gallery-immersed .og-vr-exit { display: inline-flex !important; }
.og-section.gallery-stereo .og-stereo-line { opacity: 1; }
.og-section.gallery-stereo .og-chip, .og-section.gallery-stereo .og-head .og-title small { opacity: 0; }
/* page dims behind the stereo pair while immersed */
html.gallery-immersed body > *:not(.og-section) { filter: brightness(0.25); transition: filter .4s; }
html.gallery-immersed .og-section:not(.gallery-stereo) { filter: brightness(0.25); transition: filter .4s; }

/* ---------- mobile-first refinements (≤760px or coarse pointers) ---------- */
@media (max-width: 760px), (pointer: coarse) {
  .og-section { height: min(80svh, 760px); min-height: 440px; }
  .og-head { flex-direction: column; align-items: flex-start; gap: .55rem; padding: 0 .75rem; }
  .og-title { font-size: 1.05rem; }
  .og-title small { font-size: .58rem; letter-spacing: .16em; }
  .og-controls { gap: .4rem; }
  .og-btn { min-height: 44px; min-width: 44px; padding: .35rem .7rem; font-size: .62rem; letter-spacing: .1em; }
  .og-chip { max-width: 86vw; }
  .og-hint { font-size: .54rem; letter-spacing: .18em; }
}

/* WebGL-unavailable fallback rail */
.gallery-fallback-rail {
  position: absolute;
  inset: 4rem 0 2rem;
  display: flex;
  gap: .8rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0 1rem;
}
.gallery-fallback-card {
  flex: none;
  width: 240px;
  scroll-snap-align: center;
  border: 1px solid var(--vr-line);
  background: rgb(14 35 26 / 0.7);
  text-decoration: none;
  color: #ecf7f0;
}
.gallery-fallback-card img { display: block; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.gf-noimg { display: grid; place-items: center; aspect-ratio: 16/9; color: var(--vr-red); font-size: 2rem; }
.gf-meta { display: block; padding: .6rem .7rem; }
.gf-meta b { display: block; font-size: .85rem; line-height: 1.35; }
.gf-meta i { display: block; margin-top: .2rem; font-size: .68rem; color: var(--vr-green); font-style: normal; font-family: ui-monospace, monospace; }

/* ---------- topics orbit ---------- */
.tpo-section { position: relative; padding: 3.5rem 1rem 4.5rem; overflow: hidden; }
.tpo-stage {
  position: relative;
  height: 340px;
  perspective: 1100px;
  margin-top: 1.6rem;
  outline: none;
}
.tpo-wheel {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  cursor: grab;
}
.tpo-card {
  position: absolute;
  top: 50%; left: 50%;
  width: 220px;
  margin: -70px 0 0 -110px;
  padding: .9rem 1rem;
  border: 1px solid rgb(116 189 148 / 0.3);
  background: linear-gradient(150deg, rgb(23 67 49 / 0.5), rgb(10 23 18 / 0.82));
  backdrop-filter: blur(3px);
  text-decoration: none;
  color: #ecf7f0;
  transition: border-color .3s;
}
.tpo-card:hover, .tpo-card:focus-visible { border-color: rgb(224 133 133 / 0.6); }
.tpo-card b { display: block; font-size: .95rem; line-height: 1.3; }
.tpo-card span { display: block; margin-top: .3rem; font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--vr-green); font-family: ui-monospace, monospace; }
.tpo-orbit-ring {
  position: absolute;
  left: 50%; top: 50%;
  width: 520px; height: 520px;
  margin: -260px 0 0 -260px;
  border-radius: 999px;
  border: 1px dashed rgb(116 189 148 / 0.25);
  transform: rotateX(72deg);
  pointer-events: none;
}

/* ---------- topic orbit: mobile (overlap fix) ---------- */
@media (max-width: 760px), (pointer: coarse) {
  .tpo-section { padding: 2.4rem 0.5rem 3.2rem; }
  .tpo-stage { height: 300px; perspective: 900px; margin-top: 0.6rem; }
  .tpo-card {
    width: 148px;
    margin: -50px 0 0 -74px;
    padding: 0.7rem 0.75rem;
  }
  .tpo-card b { font-size: 0.8rem; }
  .tpo-card span { font-size: 0.56rem; }
  .tpo-orbit-ring { width: 330px; height: 330px; margin: -165px 0 0 -165px; }
}

/* ---------- guests constellation ---------- */
.gco-section { position: relative; padding: 3rem 1rem 3.6rem; overflow: hidden; }
.gco-arc { position: relative; margin-top: 1.4rem; height: 240px; }
.gco-arc svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.gco-node { fill: var(--vr-green); }
.gco-node.gco-red { fill: var(--vr-red); }
.gco-link { stroke: rgb(116 189 148 / 0.3); stroke-width: 1; }
.gco-hit { fill: transparent; cursor: pointer; }
.gco-hit:hover + .gco-label, a.gco-hit:hover .gco-label { fill: #fff; }
.gco-label { fill: rgb(212 236 221 / 0.85); font-size: 11px; font-weight: 600; text-anchor: middle; letter-spacing: .04em; }
.gco-count { fill: rgb(116 189 148 / 0.9); font-size: 9px; font-family: ui-monospace, monospace; text-anchor: middle; letter-spacing: .12em; }

/* ---------- holographic footer ---------- */
.fvr-footer {
  position: relative;
  /* the footer lives OUTSIDE main#main — when drift mode pins the hero
   * canvas fixed behind the page, only main gets elevated; without this
   * z-index the fixed canvas paints over the footer (footer "vanishes") */
  z-index: 1;
  margin-top: 5rem;
  border-top: 1px solid rgb(224 133 133 / 0.28);
  background:
    radial-gradient(80% 140% at 50% 120%, rgb(116 189 148 / 0.09), transparent 65%),
    linear-gradient(180deg, rgb(8 19 14 / 0.9), #060f0b);
  color: #d3ecdd;
  overflow: hidden;
}
.fvr-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--vr-amber), transparent);
  opacity: .5;
  animation: sov-beam 9s linear infinite;
}
.fvr-grid {
  position: relative;
  max-width: 72rem;
  margin: 0 auto;
  padding: 3rem 1rem 2rem;
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .fvr-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.fvr-brand { display: flex; gap: .9rem; align-items: flex-start; }
.fvr-brand img { border-radius: .6rem; background: rgb(255 255 255 / .95); padding: 2px; }
.fvr-brand h3 { margin: 0; font-size: 1.05rem; color: #fff; letter-spacing: .04em; }
.fvr-brand p { margin: .4rem 0 0; font-size: .8rem; line-height: 1.6; color: rgb(167 216 187 / .8); max-width: 34ch; }
.fvr-col h4 { margin: 0 0 .7rem; font-size: .64rem; letter-spacing: .24em; text-transform: uppercase; color: var(--vr-red); }
.fvr-col a { display: block; padding: .32rem 0; font-size: .82rem; color: rgb(212 236 221 / .82); text-decoration: none; }
.fvr-col a:hover, .fvr-col a:focus-visible { color: #fff; }
.fvr-status {
  position: relative;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem 1.6rem;
}
.fvr-ticker {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.4rem;
  padding: .7rem .9rem;
  border: 1px dashed rgb(116 189 148 / 0.28);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .64rem;
  letter-spacing: .1em;
  color: rgb(167 216 187 / .85);
  text-transform: uppercase;
}
.fvr-ticker b { color: var(--vr-amber); font-weight: 600; }
.fvr-ticker .fvr-live { color: var(--vr-green); animation: sov-led 2.2s ease-in-out infinite; }
.fvr-bottom {
  position: relative;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1rem 1rem 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgb(116 189 148 / 0.14);
  font-size: .7rem;
  color: rgb(167 216 187 / .6);
}
.fvr-top {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 40px;
  padding: .3rem .8rem;
  border: 1px solid rgb(224 133 133 / 0.7);
  color: #ecf7f0;
  background: transparent;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  cursor: pointer;
  appearance: none;
  transition: background .25s, border-color .25s;
}
.fvr-top:hover { background: rgb(224 133 133 / 0.16); border-color: var(--vr-red); }

/* ---------- entity orbit (guests / topics index pages) ---------- */
.eo-section { position: relative; height: min(64svh, 640px); min-height: 380px; overflow: hidden; isolation: isolate; }
.eo-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
.eo-search {
  position: absolute;
  z-index: 4;
  top: clamp(.6rem, 2svh, 1.1rem);
  left: 50%;
  transform: translateX(-50%);
  min-height: 40px;
  width: 168px;
  padding: .3rem .8rem;
  font-size: .72rem;
  color: #ecf7f0;
  background: rgb(10 23 18 / 0.62);
  border: 1px solid rgb(116 189 148 / 0.35);
  outline: none;
  backdrop-filter: blur(6px);
  appearance: none;
}
.eo-search::placeholder { color: rgb(167 216 187 / 0.6); }
.eo-search:focus { width: 210px; border-color: var(--vr-amber); }
.eo-chip {
  position: absolute;
  z-index: 3;
  max-width: min(78vw, 420px);
  padding: .5rem .8rem;
  background: rgb(8 19 14 / 0.82);
  border: 1px solid rgb(224 133 133 / 0.4);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
  transform: translateX(-50%);
}
.eo-chip a { color: #fff; font-weight: 600; font-size: .92rem; text-decoration: none; }
.eo-chip [data-eo-chip-count] { display: block; margin-top: .1rem; font-size: .68rem; color: var(--vr-green); font-family: ui-monospace, monospace; }
.eo-hint {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: .8rem;
  transform: translateX(-50%);
  font-size: .58rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgb(167 216 187 / 0.55);
  pointer-events: none;
  white-space: nowrap;
}
@media (max-width: 760px), (pointer: coarse) {
  .eo-section { height: min(58svh, 560px); min-height: 340px; }
  .eo-hint { font-size: .52rem; letter-spacing: .18em; }
}

/* ---------- program-page chapter ring (theater joins the ring language) ---------- */
.dt-chapter-ring {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 230px;
  height: 230px;
  z-index: 5;
  pointer-events: auto;
}
.dt-chapter-label {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 8%;
  max-width: 72%;
  padding: .3rem .6rem;
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #ecf7f0;
  background: rgb(8 19 14 / 0.72);
  border: 1px solid rgb(224 133 133 / 0.4);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transition: opacity .3s;
  z-index: 6;
  pointer-events: none;
}
.dt-chapter-label.is-on { opacity: 1; }
/* the spatial ring replaces the linear rail when present */
.dt-theater:has(.dt-chapter-ring) [data-dt-strata] { display: none; }
@media (max-width: 760px) {
  .dt-chapter-ring { width: 132px; height: 132px; right: 6px; top: 6px; transform: none; }
  .dt-chapter-label { bottom: auto; top: calc(6px + 132px + 6px); font-size: .56rem; }
}

/* ---------- reveal helpers shared by the new sections ---------- */
.vr-in { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.vr-in.vr-on { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .vr-in { transition: none; opacity: 1; transform: none; }
  .sov-beam, .fvr-footer::before, .sov-tile::after, .por-gate::after, .sov-seal-ring::before { animation: none; }
}