/*
 * AI Value Creation Playbook — neural interaction layer.
 * Page-scoped by design: the shared value-creation pages remain unchanged.
 */

.vc-page--playbook {
  --vc-neural-light: 85, 116, 192;
  --vc-neural-dark: 151, 194, 248;
}

.vc-page--playbook .vc-neural-surface {
  isolation: isolate;
  position: relative;
}

.vc-page--playbook .vc-neural-surface > :not(.vc-neural-canvas) {
  position: relative;
  z-index: 1;
}

.vc-page--playbook .vc-neural-canvas {
  height: 100%;
  inset: 0;
  pointer-events: none;
  position: absolute;
  width: 100%;
  z-index: 0;
}

.vc-page--playbook .vc-neural-canvas[data-neural-tone="light"] {
  opacity: 0.48;
}

.vc-page--playbook .vc-neural-canvas[data-neural-tone="dark"] {
  opacity: 0.82;
}

.vc-page--playbook .vc-playbook-hero {
  background:
    linear-gradient(rgba(0, 29, 107, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 29, 107, 0.035) 1px, transparent 1px),
    var(--vc-mist);
  background-size: 72px 72px, 72px 72px, auto;
  overflow: hidden;
}

.vc-page--playbook .vc-playbook-hero::after {
  background: linear-gradient(90deg, transparent, rgba(244, 247, 252, 0.86) 18%, rgba(244, 247, 252, 0.92) 82%, transparent);
  bottom: 0;
  content: "";
  height: 1px;
  left: 0;
  pointer-events: none;
  position: absolute;
  right: 0;
  z-index: 2;
}

.vc-page--playbook .vc-playbook-cover {
  background:
    radial-gradient(circle at 78% 22%, rgba(151, 194, 248, 0.11), transparent 34%),
    var(--vc-navy);
  box-shadow: 18px 22px 0 rgba(0, 29, 107, 0.065);
  overflow: hidden;
}

.vc-page--playbook .vc-playbook-cover::before,
.vc-page--playbook .vc-playbook-cover::after {
  z-index: 3;
}

.vc-page--playbook .vc-playbook-cover .vc-neural-canvas {
  opacity: 0.94;
}

.vc-page--playbook .vc-playbook-cover__top,
.vc-page--playbook .vc-playbook-cover__foot {
  backdrop-filter: blur(2px);
}

.vc-page--playbook .vc-playbook-cover h1 {
  text-shadow: 0 8px 32px rgba(0, 11, 46, 0.35);
}

.vc-page--playbook .vc-chapter-nav a {
  background: rgba(252, 252, 252, 0.72);
  transition: background-color 160ms ease, color 160ms ease;
}

.vc-page--playbook .vc-chapter-nav a:focus-visible {
  background: rgba(151, 194, 248, 0.18);
  color: var(--vc-navy);
}

.vc-page--playbook .vc-chapter-nav a:focus-visible {
  outline: 2px solid var(--vc-blue);
  outline-offset: -2px;
}

@media (hover: hover) and (pointer: fine) {
  .vc-page--playbook .vc-chapter-nav a:hover {
    background: rgba(151, 194, 248, 0.18);
    color: var(--vc-navy);
  }
}

.vc-page--playbook .vc-section--navy,
.vc-page--playbook .vc-final {
  overflow: hidden;
}

.vc-page--playbook .vc-section--navy::after,
.vc-page--playbook .vc-final::after {
  background: linear-gradient(90deg, rgba(0, 29, 107, 0.96) 0%, rgba(0, 29, 107, 0.7) 28%, rgba(0, 29, 107, 0.34) 58%, rgba(0, 29, 107, 0.72) 100%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  z-index: 0;
}

.vc-page--playbook .vc-value-case::after {
  background: linear-gradient(90deg, rgba(0, 29, 107, 0.9), rgba(0, 29, 107, 0.48) 52%, rgba(0, 29, 107, 0.83));
}

.vc-page--playbook .vc-equation > div {
  background: rgba(0, 23, 84, 0.94);
  border-color: rgba(151, 194, 248, 0.22);
  box-shadow: inset 0 1px 0 rgba(151, 194, 248, 0.1);
}

.vc-page--playbook .vc-field-plan article {
  background: rgba(0, 29, 107, 0.48);
  backdrop-filter: blur(2px);
}

.vc-page--playbook .vc-equation > .vc-equation__result {
  background: var(--vc-sky);
}

/* Desktop equation assembly: one factor at a time feeds the centered result. */
@media (min-width: 981px) and (min-height: 760px) and (prefers-reduced-motion: no-preference) {
  .vc-page--playbook .vc-value-case.is-scroll-combine {
    align-items: center;
    display: flex;
    min-height: calc(100svh - var(--vc-value-nav-offset, 72px));
    padding-bottom: clamp(54px, 7vh, 82px);
    padding-top: clamp(54px, 7vh, 82px);
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine .vc-container {
    width: 100%;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine .vc-equation {
    flex-wrap: nowrap;
    isolation: isolate;
    min-height: 154px;
    overflow: visible;
    position: relative;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine .vc-equation::before {
    background: rgba(151, 194, 248, 0.18);
    content: "";
    height: 1px;
    left: 6.5%;
    pointer-events: none;
    position: absolute;
    right: 6.5%;
    top: 50%;
    z-index: 0;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine .vc-equation > div,
  .vc-page--playbook .vc-value-case.is-scroll-combine .vc-equation > b {
    position: relative;
    will-change: transform, opacity;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine .vc-equation > div {
    flex-basis: 0;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine .vc-equation > div:not(.vc-equation__result) {
    background: rgb(0, 23, 84);
    border-color: rgba(151, 194, 248, 0.24);
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine .vc-equation__result {
    box-shadow: 5px 5px 0 rgba(151, 194, 248, 0.12);
    outline: 1px solid rgba(255, 255, 255, 0.5);
    outline-offset: -1px;
    transform-origin: center center;
    z-index: 50;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine .vc-value-case__notes {
    will-change: opacity;
  }
}

/* Mobile equation assembly: a vertical one-by-one sequence with a centered result. */
@media (max-width: 980px) and (min-height: 600px) and (prefers-reduced-motion: no-preference) {
  .vc-page--playbook .vc-value-case.is-scroll-combine-mobile .vc-equation {
    display: block;
    height: 286px;
    isolation: isolate;
    margin-top: 42px;
    overflow: visible;
    position: relative;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine-mobile .vc-equation::before {
    background: linear-gradient(180deg, rgba(151, 194, 248, 0.08), rgba(151, 194, 248, 0.32), rgba(151, 194, 248, 0.08));
    bottom: 28px;
    content: "";
    left: 50%;
    pointer-events: none;
    position: absolute;
    top: 28px;
    width: 1px;
    z-index: 0;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine-mobile .vc-equation > div {
    box-sizing: border-box;
    flex: none;
    left: 0;
    min-height: 112px;
    padding: 16px;
    position: absolute;
    top: 0;
    width: min(68vw, 244px);
    will-change: transform, opacity;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine-mobile .vc-equation > div:not(.vc-equation__result) {
    background: rgb(0, 23, 84);
    border-color: rgba(151, 194, 248, 0.26);
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine-mobile .vc-equation > b {
    align-self: auto;
    left: 0;
    line-height: 24px;
    min-height: 24px;
    position: absolute;
    top: 119px;
    width: 24px;
    will-change: transform, opacity;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine-mobile .vc-equation > .vc-equation__result {
    box-shadow: 4px 4px 0 rgba(151, 194, 248, 0.14);
    min-height: 112px;
    outline: 1px solid rgba(255, 255, 255, 0.5);
    outline-offset: -1px;
    top: 154px;
    z-index: 50;
  }

  .vc-page--playbook .vc-value-case.is-scroll-combine-mobile .vc-value-case__notes {
    will-change: opacity;
  }
}

.vc-page--playbook .vc-condition-list li,
.vc-page--playbook .vc-score-table > div:not(.vc-score-table__head),
.vc-page--playbook .vc-framework-step,
.vc-page--playbook .vc-measure-list > div,
.vc-page--playbook .vc-practice-list a {
  transition: background-color 160ms ease, border-color 160ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .vc-page--playbook .vc-condition-list li:hover,
  .vc-page--playbook .vc-score-table > div:not(.vc-score-table__head):hover,
  .vc-page--playbook .vc-framework-step:hover,
  .vc-page--playbook .vc-measure-list > div:hover,
  .vc-page--playbook .vc-practice-list a:hover {
    background: rgba(151, 194, 248, 0.085);
    border-color: rgba(85, 116, 192, 0.28);
  }
}

.vc-page--playbook .vc-framework-step__num {
  align-items: center;
  border: 1px solid rgba(85, 116, 192, 0.32);
  display: inline-flex;
  height: 44px;
  justify-content: center;
  position: relative;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
  width: 44px;
}

.vc-page--playbook .vc-framework-step__num::after {
  background: var(--vc-sky);
  content: "";
  height: 5px;
  position: absolute;
  right: -3px;
  top: -3px;
  width: 5px;
}

.vc-page--playbook .vc-framework-step.is-neural-active .vc-framework-step__num {
  background: var(--vc-navy);
  border-color: var(--vc-navy);
  color: var(--vc-sky);
}

@media (hover: hover) and (pointer: fine) {
  .vc-page--playbook .vc-framework-step:hover .vc-framework-step__num {
    background: var(--vc-navy);
    border-color: var(--vc-navy);
    color: var(--vc-sky);
  }
}

.vc-page--playbook .vc-framework-step.is-neural-active dl {
  border-color: rgba(85, 116, 192, 0.3);
}

.vc-page--playbook .vc-section--proof {
  background:
    linear-gradient(90deg, rgba(225, 238, 255, 0.96), rgba(244, 247, 252, 0.86)),
    var(--vc-pale);
  overflow: hidden;
}

.vc-page--playbook .vc-final__grid {
  position: relative;
  z-index: 2;
}

@media (max-width: 760px) {
  .vc-page--playbook .vc-playbook-hero {
    background-size: 48px 48px, 48px 48px, auto;
  }

  .vc-page--playbook .vc-playbook-cover {
    box-shadow: 10px 12px 0 rgba(0, 29, 107, 0.065);
  }

  .vc-page--playbook .vc-neural-canvas[data-neural-tone="light"] {
    opacity: 0.34;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vc-page--playbook .vc-chapter-nav a,
  .vc-page--playbook .vc-equation > div,
  .vc-page--playbook .vc-field-plan article,
  .vc-page--playbook .vc-framework-step__num {
    transition: none;
  }
}