.cascade-page { background: #031018; }

.cascade-stage {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
}
#cascade { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.cascade-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-8);
  z-index: 3;
}
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--color-text); }
.brand-mark { border-radius: var(--radius-sm); }
.brand-lockup { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 700; font-size: var(--text-lg); text-shadow: 0 2px 12px rgba(0,0,0,0.6); }
.brand-sub { font-size: var(--text-xs); color: var(--color-text-muted); text-shadow: 0 2px 8px rgba(0,0,0,0.6); }
.site-pills { display: flex; gap: var(--space-2); margin-left: auto; flex-wrap: wrap; }
.site-pill {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(4, 10, 8, 0.4);
  backdrop-filter: blur(8px);
  color: var(--color-text-muted);
  text-decoration: none;
}
.site-pill:hover { color: var(--color-text); border-color: var(--color-primary); }
.site-pill.is-current { background: rgba(52, 224, 161, 0.16); color: var(--color-primary); border-color: var(--color-primary); }

.ui-toggle {
  position: absolute;
  top: calc(var(--header-h, 88px) + var(--space-3));
  right: var(--space-4);
  z-index: 6;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: rgba(4, 10, 8, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease, opacity 450ms ease;
}
.ui-toggle:hover { color: var(--color-text); border-color: #2dd4d0; }
.ui-toggle .icon-hidden { display: none; }
.ui-toggle.is-hidden .icon-visible { display: none; }
.ui-toggle.is-hidden .icon-hidden { display: block; }
.ui-toggle.is-hidden { color: #2dd4d0; border-color: #2dd4d0; }

.cascade-sound-toggle {
  position: absolute;
  top: calc(var(--header-h, 88px) + var(--space-3));
  right: calc(var(--space-4) + 42px);
  z-index: 6;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border-radius: var(--radius-full);
  color: #b7f2ec;
  border: 1px solid rgba(45, 212, 191, 0.3);
  background: rgba(4, 10, 8, 0.5);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: var(--transition-interactive), opacity 450ms ease;
}
.cascade-sound-toggle svg { width: 15px; height: 15px; }
.cascade-sound-toggle:hover { color: #eafffb; border-color: #2dd4d0; background: rgba(45, 212, 191, 0.14); }
.cascade-sound-toggle svg line { transition: opacity 150ms ease; }
.cascade-sound-toggle.is-on svg line { opacity: 0; }
.cascade-sound-toggle.is-on { color: #2dd4d0; border-color: #2dd4d0; background: rgba(45, 212, 191, 0.16); }
.cascade-sound-toggle.is-on:not(.is-unlocked)::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(45, 212, 191, 0.55);
  animation: cascade-cue-pulse 1.8s ease-out infinite;
  pointer-events: none;
}
@keyframes cascade-cue-pulse {
  0% { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(1.55); opacity: 0; }
}
.cascade-sound-cue {
  position: fixed;
  bottom: 110px;
  right: 28px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  padding: 7px 12px 7px 10px;
  border-radius: var(--radius-full);
  background: rgba(4, 15, 16, 0.92);
  border: 1px solid rgba(45, 212, 191, 0.32);
  color: #eafffb;
  font-size: 12.5px;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  animation: cascade-cue-in 600ms ease 900ms forwards;
  transition: opacity 400ms ease;
}
.cascade-sound-cue svg { width: 14px; height: 14px; color: #2dd4d0; flex-shrink: 0; }
.cascade-sound-cue.is-hidden { opacity: 0 !important; pointer-events: none; }
.cascade-stage.info-hidden .cascade-sound-cue { opacity: 0 !important; pointer-events: none; }
@keyframes cascade-cue-in { to { opacity: 1; } }
@media (max-width: 520px) {
  /* On narrow phones .cascade-vitals wraps onto 2-3 rows, so the fixed
     96px offset (tuned for the single-row desktop layout) lands the cue
     on top of the POOL TURBULENCE readout. Push it above the wrapped
     vitals bar instead. */
  .cascade-sound-cue { right: 14px; bottom: 190px; font-size: 11.5px; padding: 6px 10px 6px 8px; }
}

.cascade-stage.info-hidden .cascade-hero,
.cascade-stage.info-hidden .cascade-vitals,
.cascade-stage.info-hidden .cascade-header,
.cascade-stage.info-hidden .cascade-sound-toggle {
  opacity: 0;
  pointer-events: none;
}
.cascade-header { transition: opacity 450ms ease; }

.cascade-hero {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 0 var(--space-8);
  z-index: 2;
  transition: opacity 450ms ease;
}
.cascade-panel {
  max-width: 560px;
  padding: var(--space-8);
  background: rgba(4, 9, 8, 0.42);
  backdrop-filter: blur(14px) saturate(1.1);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #2dd4d0;
  margin-bottom: var(--space-4);
}
.cascade-panel h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
  color: var(--color-text);
  text-shadow: 0 4px 24px rgba(0,0,0,0.6);
}
.cascade-panel .lead { color: var(--color-text-muted); font-size: var(--text-base); margin-bottom: var(--space-6); }
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: none;
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: var(--transition-interactive);
}
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn-primary:hover { background: var(--color-primary-hover); }

.cascade-vitals {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-3) var(--space-8);
  background: linear-gradient(to top, rgba(2,6,5,0.75), transparent);
  backdrop-filter: blur(6px);
  flex-wrap: wrap;
  transition: opacity 450ms ease;
}
.v-item { display: flex; align-items: baseline; gap: var(--space-2); }
.v-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em; color: #f97316; }
.v-value { font-family: var(--font-mono); font-size: var(--text-base); font-weight: 600; color: #2dd4d0; }
.v-status { margin-left: auto; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-faint); }
.v-status.is-live { color: #2dd4d0; }

.cascade-map {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-24) var(--space-8);
}
.cascade-map h2 { text-align: center; font-family: var(--font-display); font-size: var(--text-xl); margin-bottom: var(--space-10); color: var(--color-text); }
.map-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-5); }
.map-card { padding: var(--space-5); background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-lg); }
.map-tag { display: inline-block; font-family: var(--font-mono); font-size: var(--text-xs); color: #f97316; margin-bottom: var(--space-3); }
.map-card p { color: var(--color-text-muted); font-size: var(--text-sm); }

@media (max-width: 720px) {
  .cascade-panel { max-width: 90%; padding: var(--space-6); }
  .cascade-vitals { gap: var(--space-4); }
  .v-status { margin-left: 0; width: 100%; }
}

@media (max-width: 640px) {
  /* On narrow screens the nav pills wrap under the brand, making the
     header taller than the JS-measured --header-h can settle on before
     the hero card also starts laying out. Force a compact single-purpose
     header: pills wrap onto their own row, capped width, so the header's
     final height is predictable and the toggle buttons + hero card never
     fight over the same vertical band. */
  .cascade-header {
    flex-wrap: wrap;
    row-gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    padding-right: calc(var(--space-4) + 84px);
  }
  .site-pills { width: 100%; margin-left: 0; }
  .cascade-hero {
    align-items: flex-start;
    padding: calc(var(--header-h, 120px) + var(--space-6)) var(--space-4) var(--space-6);
    overflow-y: auto;
  }
  .cascade-panel { max-width: 100%; }
}

/* -------------------------------------------------------------------- */
/* Embedded mode — this page nested as Act I inside the flagship's      */
/* single scroll journey (index.html). Hides the logo + cross-page pill */
/* nav and the standalone-page marketing headline (the flagship's own   */
/* hero already carries that copy outside the iframe), keeping the      */
/* live canvas, the fall-speed/flow-volume readout bar, and this act's   */
/* own sound/info toggles so it still feels alive on its own.            */
/* -------------------------------------------------------------------- */
html.lv-embedded .cascade-header {
  /* The flagship page's own header already supplies an equivalent
     global sound toggle, immersive toggle, and live-status badge --
     keeping this page's own header visible too would show two of
     each control on screen at once. Audio unlock and mute/duck are
     already driven by postMessage from the parent (see embed-bridge.js),
     so hiding this header loses no functionality inside the flagship. */
  display: none !important;
}
html.lv-embedded .cascade-hero {
  /* Redundant once nested: the flagship's own Act I copy already
     carries this headline and CTA outside the iframe. */
  display: none !important;
}
/* The parent has already reserved space for its sticky navigation. A
   standalone 640px minimum inside a shorter iframe clips live readouts
   and stretches the canvas away from its actual drawing dimensions. */
html.lv-embedded .cascade-stage {
  height: 100vh;
  height: 100dvh;
  min-height: 0;
}