/* Phase 4 editorial homepage system. */
.phase4-act {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.phase4-explore,
.phase4-journal-intro {
  position: relative;
  padding: clamp(72px, 9vw, 128px) 0;
}

.phase4-explore::before,
.phase4-journal-intro::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(23, 23, 23, 0.18);
}

.phase4-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: #5d5d58;
  font-size: 0.74rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.phase4-kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: #f2cd00;
}

.phase4-heading {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 5.3rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.phase4-intro {
  max-width: 590px;
  margin: 22px 0 0;
  color: #4b4b47;
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.6;
}

.phase4-worlds-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0 24px;
  margin-top: clamp(48px, 7vw, 92px);
  border-top: 1px solid rgba(23, 23, 23, 0.18);
}

.phase4-world {
  grid-column: span 4;
  min-height: 210px;
  padding: 24px 10px 28px 0;
  border-bottom: 1px solid rgba(23, 23, 23, 0.18);
  color: inherit;
  text-decoration: none;
}

.phase4-world:nth-child(2),
.phase4-world:nth-child(5) {
  transform: translateY(32px);
}

.phase4-world-index {
  display: block;
  margin-bottom: 34px;
  color: #74746f;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.phase4-world-title {
  display: block;
  font-size: clamp(1.35rem, 2.3vw, 2.2rem);
  line-height: 1.05;
}

.phase4-world-copy {
  display: block;
  max-width: 290px;
  margin-top: 13px;
  color: #5a5a55;
  font-size: 0.9rem;
  line-height: 1.45;
}

.phase4-world:focus-visible,
.phase4-search-jump:focus-visible {
  outline: 2px solid #171717;
  outline-offset: 5px;
}

.phase4-world:hover .phase4-world-title {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 7px;
}

#signature-stories.signature-section {
  margin-top: clamp(24px, 5vw, 72px);
  margin-bottom: clamp(72px, 9vw, 128px);
}

#signature-stories .signature-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 30px;
  margin: 0 0 clamp(42px, 6vw, 72px) !important;
  padding: 18px 0 16px;
  border-top: 1px solid rgba(23, 23, 23, 0.18);
  border-bottom: 1px solid rgba(23, 23, 23, 0.18);
}

#signature-stories .signature-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: #171717 !important;
  font-size: 0.88rem;
  letter-spacing: 0.055em;
  text-decoration: none;
  transform: none !important;
}

#signature-stories .signature-btn::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: 0 0 5px;
  border-radius: 50%;
  background: #f2cd00;
  opacity: 0;
}

#signature-stories .signature-btn:hover::before,
#signature-stories .signature-btn:focus-visible::before {
  opacity: 1;
}

#signature-stories .signature-btn:focus-visible {
  outline: 2px solid #171717;
  outline-offset: 5px;
}

#signature-stories-grid .phase4-signature-card {
  display: none !important;
}

#signature-stories-grid .phase4-signature-card.phase4-signature-feature {
  display: block !important;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#signature-stories-grid .phase4-signature-card.phase4-signature-feature:hover,
#signature-stories-grid .phase4-signature-card.phase4-signature-feature:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

#signature-stories-grid .phase4-signature-card.phase4-signature-feature:hover .card-thumb,
#signature-stories-grid .phase4-signature-card.phase4-signature-feature:focus-within .card-thumb {
  transform: scale(1.05) !important;
}

.phase4-journal-intro {
  padding-bottom: 42px;
}

.phase4-journal-intro .phase4-heading {
  max-width: 980px;
}

.phase4-search-jump {
  display: inline-flex;
  margin-top: 26px;
  color: #171717;
  font-size: 0.83rem;
  letter-spacing: 0.08em;
  text-decoration: underline;
  text-underline-offset: 5px;
  text-transform: uppercase;
}

@media (max-width: 760px) {
  .phase4-act {
    width: min(100% - 30px, 1200px);
  }

  .phase4-explore,
  .phase4-journal-intro {
    padding: 62px 0;
  }

  .phase4-worlds-grid {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 42px;
  }

  .phase4-world,
  .phase4-world:nth-child(2),
  .phase4-world:nth-child(5) {
    grid-column: 1;
    min-height: auto;
    padding: 22px 0 24px;
    transform: none;
  }

  .phase4-world-index {
    margin-bottom: 16px;
  }

  #signature-stories .signature-buttons {
    justify-content: flex-start;
    gap: 10px 22px;
    padding: 16px 0;
  }

  #signature-stories .signature-btn {
    font-size: 0.84rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .phase4-world,
  .phase4-world-title,
  #signature-stories-grid .phase4-signature-card.phase4-signature-feature,
  #signature-stories-grid .phase4-signature-card.phase4-signature-feature .card-thumb {
    scroll-behavior: auto;
    transition: none !important;
  }

  #signature-stories-grid .phase4-signature-card.phase4-signature-feature:hover,
  #signature-stories-grid .phase4-signature-card.phase4-signature-feature:focus-within,
  #signature-stories-grid .phase4-signature-card.phase4-signature-feature:hover .card-thumb,
  #signature-stories-grid .phase4-signature-card.phase4-signature-feature:focus-within .card-thumb {
    transform: none !important;
  }
}