.strategy-section-opener-page .section-opener-number {
  font-weight: 900;
  z-index: 3;
}

.strategy-section-opener-page .strategy-title-nowrap {
  white-space: nowrap;
}

.strategy-section-opener-page .strategy-title-company {
  white-space: nowrap;
}

.strategy-section-opener-page .section-opener-main {
  display: block;
}

.section-opener-page.v4-page.strategy-section-opener-page .section-opener-copy {
  width: min(40%, 740px);
  padding-top: clamp(38px, 5.4vh, 64px);
  padding-right: clamp(24px, 2.4vw, 42px);
}

/*
 * Owner-local safe rail for the Chapter 2 artwork.  The canonical three
 * source spans stay untouched, while their visual grouping is locked to the
 * two user-approved lines at every width.
 */
.section-opener-page.v4-page.strategy-section-opener-page .section-opener-title {
  max-width: 100%;
  font-size: clamp(32px, 2.8vw, 60px) !important;
  line-height: 1 !important;
  letter-spacing: -0.016em;
}

.strategy-section-opener-page .section-opener-title > span:first-child,
.strategy-section-opener-page .strategy-title-company {
  display: block;
  white-space: nowrap;
}

.strategy-section-opener-page .section-opener-title > br {
  display: none;
}

.section-opener-page.v4-page.strategy-section-opener-page .section-opener-list {
  max-width: min(100%, 520px);
  margin-top: clamp(26px, 3.6vh, 40px);
  gap: clamp(10px, 1.35vh, 16px);
}

.strategy-section-opener-page .section-opener-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.strategy-section-opener-page .section-opener-visual-art {
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  background-image: url("assets/section-openers/strategy-development/chapter2-bg.jpg");
  background-position: left top;
  background-size: cover;
}

/*
 * The approved two-layer energy pulse is reused without redrawing the source:
 * halo and core share the exact 2560×1440 mask and therefore must follow the
 * background's cover/left-top geometry rather than the chapter-1 ratio.
 */
.strategy-section-opener-page .section-opener-energy-wave {
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  object-position: left top;
}

@media (max-width: 86rem) {
  .section-opener-page.v4-page.strategy-section-opener-page .section-opener-copy {
    width: 40%;
    padding-top: clamp(34px, 4.8vh, 48px);
  }
}

@media (max-width: 68.75rem) {
  .section-opener-page.v4-page.strategy-section-opener-page .section-opener-copy {
    width: 42%;
    padding-top: 34px;
  }

  .section-opener-page.v4-page.strategy-section-opener-page .section-opener-title {
    font-size: clamp(30px, 3.15vw, 34px) !important;
  }

  .section-opener-page.v4-page.strategy-section-opener-page .section-opener-list {
    margin-top: 24px;
  }
}

@media (max-width: 50rem) {
  .strategy-section-opener-page .section-opener-main {
    display: flex;
  }

  .section-opener-page.v4-page.strategy-section-opener-page .section-opener-copy {
    width: 100%;
    padding-top: 36px;
    padding-bottom: 32px;
  }

  .section-opener-page.v4-page.strategy-section-opener-page .section-opener-title {
    max-width: 100%;
    font-size: clamp(27px, 7.2vw, 36px) !important;
  }

  .section-opener-page.v4-page.strategy-section-opener-page .section-opener-list {
    margin-top: 26px;
  }

  .strategy-section-opener-page .section-opener-visual {
    position: relative;
    inset: auto;
    height: clamp(330px, 82vw, 500px);
  }

  .strategy-section-opener-page .section-opener-visual-art {
    inset: 0;
    height: 100%;
    aspect-ratio: auto;
    background-size: contain;
    background-position: left top;
  }

  .strategy-section-opener-page .section-opener-energy-wave {
    inset: 0;
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    object-fit: contain;
    object-position: left top;
  }
}

/* Copy-first opener sequence; the source illustration stays static. */
.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-number,
.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-title,
.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-list > li {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition:
    opacity 760ms cubic-bezier(.16, 1, .3, 1),
    transform 900ms cubic-bezier(.16, 1, .3, 1);
  will-change: opacity, transform;
}

.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-title {
  transition-delay: 130ms;
}

.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-list > li:nth-child(1) {
  transition-delay: 360ms;
}

.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-list > li:nth-child(2) {
  transition-delay: 500ms;
}

.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-list > li:nth-child(3) {
  transition-delay: 640ms;
}

.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-main.is-visible .section-opener-number,
.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-main.is-visible .section-opener-title,
.strategy-opener-motion-ready .strategy-section-opener-page .section-opener-main.is-visible .section-opener-list > li {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  .strategy-section-opener-page .section-opener-number,
  .strategy-section-opener-page .section-opener-title,
  .strategy-section-opener-page .section-opener-list > li {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}