/* Challenge Section — matches local reference #challenge */

@keyframes challengePulse {
  0%,
  100% {
    box-shadow:
      0 0 0 14px rgba(37, 99, 235, 0.07),
      0 0 36px rgba(37, 99, 235, 0.2),
      0 0 0 0 rgba(37, 99, 235, 0.35);
  }
  50% {
    box-shadow:
      0 0 0 18px rgba(37, 99, 235, 0.1),
      0 0 44px rgba(37, 99, 235, 0.28),
      0 0 0 12px rgba(37, 99, 235, 0);
  }
}

.challengeSection {
  background: var(--off, #f0f4fb);
  padding: 6.25rem 0;
  color: #0b1a30;
}

.challengeSection__wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 3rem;
}

.challengeSection__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.challengeSection__label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue2, #3b82f6);
  margin: 0 0 0.875rem;
}

.challengeSection__title {
  font-family: var(--fontHeading, "Playfair Display", Georgia, serif);
  font-size: clamp(1.625rem, 2.8vw, 2.625rem);
  font-weight: 400;
  line-height: 1.15;
  color: #0b1a30;
  margin: 0;
}

.challengeSection__stat {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 2rem 0 1.75rem;
}

.challengeSection__statNum {
  font-family: var(--fontHeading, "Playfair Display", Georgia, serif);
  font-size: clamp(4rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 0.9;
  color: var(--blue, #2563eb);
  letter-spacing: -0.03em;
  flex-shrink: 0;
  position: relative;
  top: -10px;
}

.challengeSection__statText {
  font-size: 0.9375rem;
  font-weight: 400;
  color: #2c4a6e;
  line-height: 1.55;
  max-width: 200px;
  text-align: left;
}

.challengeSection__statText strong,
.challengeSection__statText b {
  font-weight: 700;
  color: var(--navy3, #0f2040);
}

.challengeSection__body {
  font-size: 0.9375rem;
  color: #3d5a80;
  margin: 0 0 1.75rem;
  line-height: 1.75;
}

.challengeSection__checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6875rem;
  margin: 0;
  padding: 0;
  width: fit-content;
}

.challengeSection__checklist li {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  font-style: italic;
  color: #2d4a6b;
  font-weight: 500;
  text-align: left;
}

.challengeSection__checklist li::before {
  content: "";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 0;
  border-radius: 50%;
  background: var(--blue, #2563eb)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E")
    center / 12px no-repeat;
}

/* Venn / priority diagram — matches reference image */
.challengeSection__right {
  overflow: visible;
  min-width: 0;
}

.challengeSection__venn {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
  margin: 0 auto;
  overflow: visible;
}

.challengeSection__vennSvg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: visible;
}

.challengeSection__vennCenter {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--navy3, #0f2040);
  border: 2px solid var(--blue, #2563eb);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  box-shadow:
    0 0 0 16px rgba(37, 99, 235, 0.06),
    0 0 40px rgba(37, 99, 235, 0.18);
  animation: challengePulse 3s ease-in-out infinite;
}

.challengeSection__vennCenter img {
  width: 90%;
  max-width: 112px;
  height: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.challengeSection__vennSvgIcon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90%;
  max-width: 112px;
  color: var(--white, #fff);
}

.challengeSection__vennSvgIcon svg {
  width: 100%;
  height: auto;
  display: block;
}

.challengeSection__vennBrand {
  font-family: var(--fontHeading, "Playfair Display", Georgia, serif);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--white, #fff);
  text-align: center;
  line-height: 1.3;
  padding: 0 0.625rem;
}

.challengeSection__vn {
  position: absolute;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3125rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.98);
  border: 1.5px solid rgba(37, 99, 235, 0.18);
  box-shadow: 0 4px 18px rgba(15, 32, 64, 0.06);
  z-index: 5;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-sizing: border-box;
  padding: 0.375rem 0.25rem;
}

.challengeSection__vn:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.18);
  z-index: 6;
}

.challengeSection__vnIcon {
  width: 20px;
  height: 20px;
  color: var(--blue, #2563eb);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.challengeSection__vnIcon svg {
  width: 20px;
  height: 20px;
  display: block;
}

img.challengeSection__vnIcon {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.challengeSection__vnLbl {
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #1e3a5f;
  line-height: 1.3;
  padding: 0 0.25rem;
}

.challengeSection__outcome {
  margin-top: 2rem;
  text-align: center;
  padding: 1.75rem 2.5rem;
  background: #e8eef8;
  border-radius: 12px;
  border: 1px solid rgba(37, 99, 235, 0.2);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.challengeSection__outcomeLabel {
  font-size: 0.8125rem;
  color: var(--blue, #2563eb);
  font-weight: 600;
  margin: 0 0 0.3125rem;
}

.challengeSection__outcomeText {
  font-family: var(--fontHeading, "Playfair Display", Georgia, serif);
  font-size: 1.125rem;
  color: #1e3a5f;
  font-weight: 600;
  margin: 0;
  line-height: 1.4;
}

.challengeSection .reveal-left,
.challengeSection .reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.challengeSection .reveal-left {
  transform: translateX(-32px);
}

.challengeSection .reveal-right {
  transform: translateX(32px);
}

.challengeSection .reveal-left.is-visible,
.challengeSection .reveal-right.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .challengeSection .reveal-left,
  .challengeSection .reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .challengeSection__vennCenter {
    animation: none;
  }
}

@media (max-width: 1100px) {
  .challengeSection__wrap {
    padding: 0 2rem;
  }
}

@media (max-width: 900px) {
  .challengeSection {
    padding: 4.5rem 0;
  }

  .challengeSection__wrap {
    padding: 0 1.5rem;
  }

  .challengeSection__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .challengeSection__venn {
    max-width: 380px;
  }

  .challengeSection__outcome {
    padding: 1.375rem 1.5rem;
  }
}

@media (max-width: 600px) {
  .challengeSection__wrap {
    padding: 0 1.25rem;
  }

  .challengeSection__venn {
    max-width: 320px;
  }

  .challengeSection__vennCenter {
    width: 110px;
    height: 110px;
  }

  .challengeSection__vennCenter img,
  .challengeSection__vennSvgIcon {
    max-width: 96px;
  }

  .challengeSection__vnLbl {
    font-size: 0.4375rem;
    letter-spacing: 0.1em;
  }
}