/* CASCODE — shared immersive section intro (glow + ghost word + scroll dissolve) */
.cascode-intro {
  position: relative;
  height: 135vh;
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

.cascode-intro__inner {
  position: sticky;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100svh;
  overflow: hidden;
  display: grid;
  place-items: center;
  isolation: isolate;
  background: var(--bg);
}

.cascode-intro__glow {
  position: absolute;
  z-index: -2;
  width: min(80vw, 1040px);
  aspect-ratio: 1;
  border: 1px solid rgba(99, 230, 190, .14);
  border-radius: 50%;
  box-shadow: 0 0 180px rgba(99, 230, 190, .1), inset 0 0 140px rgba(124, 92, 252, .07);
  transform: translate3d(0, 0, 0) scale(var(--intro-glow-scale, .86));
  opacity: var(--intro-glow-opacity, 1);
  pointer-events: none;
  will-change: transform, opacity;
}

.cascode-intro__word {
  position: absolute;
  z-index: -1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(244, 241, 232, .06);
  font-family: var(--font-display);
  font-size: clamp(160px, 26vw, 460px);
  font-weight: 800;
  line-height: .7;
  letter-spacing: -.08em;
  white-space: nowrap;
  transform: translate3d(0, 0, 0) scale(var(--intro-word-scale, 1));
  pointer-events: none;
  will-change: transform;
}

.cascode-intro__copy {
  position: relative;
  z-index: 1;
  width: min(calc(100vw - 64px), 760px);
  text-align: center;
  transform: translate3d(0, var(--intro-copy-y, 0px), 0) scale(var(--intro-copy-scale, 1));
  opacity: var(--intro-copy-opacity, 1);
  will-change: transform, opacity;
}

.cascode-intro__copy .section-index {
  display: block;
  margin-bottom: 24px;
}

.cascode-intro__copy .section-title {
  margin: 0 auto 30px;
  font-size: clamp(48px, 7.4vw, 108px);
}

.cascode-intro__body {
  max-width: 52ch;
  margin: 0 auto;
  color: var(--ink-dim);
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.6;
}

.cascode-intro__body strong {
  color: var(--ink);
  font-weight: 500;
}

.cascode-intro__cue {
  position: absolute;
  z-index: 1;
  bottom: clamp(28px, 5vh, 56px);
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-faint);
  font: 500 11px/1 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  opacity: var(--intro-cue-opacity, 1);
}

@media (max-width: 860px) {
  .cascode-intro {
    height: 115vh;
  }
  .cascode-intro__word {
    font-size: clamp(100px, 40vw, 220px);
  }
  .cascode-intro__copy .section-title {
    font-size: clamp(38px, 11vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cascode-intro__glow,
  .cascode-intro__word,
  .cascode-intro__copy {
    transition: none !important;
  }
}