/* Independent v3 preview: continuous full-detail chapters, no long accordion. */
.strata-pro-detail.journey-v3 { overflow: clip; }
.strata-pro-detail.journey-v3 .technical-chapter-flow {
  position: relative;
  width: min(100%, var(--page-max));
  margin: 0 auto;
}
.strata-pro-detail.journey-v3 .technical-chapter-nav {
  position: sticky;
  top: 0;
  z-index: 35;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  width: 100%;
  min-height: 70px;
  padding: 0 var(--section-gutter);
  border-block: 1px solid #3c4444;
  background: rgb(19 24 25 / 96%);
  box-shadow: 0 12px 30px rgb(0 0 0 / 12%);
  color: #b7c0bd;
  backdrop-filter: blur(14px);
}
.strata-pro-detail.journey-v3 .technical-chapter-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 0;
  min-height: 69px;
  padding: 12px 8px;
  border-bottom: 3px solid transparent;
  color: #aeb9b5;
  text-align: center;
  transition: color .2s, border-color .2s, background .2s;
}
.strata-pro-detail.journey-v3 .technical-chapter-nav a + a {
  border-left: 1px solid rgb(255 255 255 / 10%);
}
.strata-pro-detail.journey-v3 .technical-chapter-nav a[aria-current="location"] {
  border-bottom-color: #f16945;
  background: rgb(255 255 255 / 5%);
  color: #fff;
}
.strata-pro-detail.journey-v3 .technical-chapter-nav a:focus-visible {
  outline: 2px solid #f16945;
  outline-offset: -3px;
}
.strata-pro-detail.journey-v3 .technical-chapter-nav span {
  color: #ed6a49;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .07em;
}
.strata-pro-detail.journey-v3 .technical-chapter-nav strong {
  overflow: hidden;
  font-size: .86rem;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.strata-pro-detail.journey-v3 [data-technical-chapter] {
  scroll-margin-top: 70px;
}
.strata-pro-detail.journey-v3 .technical-chapter-label {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: clamp(27px, 4vw, 53px);
  color: #e75f3d;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .11em;
}
.strata-pro-detail.journey-v3 .technical-chapter-label span {
  border-right: 1px solid currentColor;
  padding-right: 13px;
}
.strata-pro-detail.journey-v3 .technical-chapter-label strong {
  font-weight: inherit;
}
.strata-pro-detail.journey-v3 .technical-chapter-flow > section {
  width: 100%;
  padding-block: clamp(62px, 5.5vw, 88px);
}
.strata-pro-detail.journey-v3 .technical-chapter-flow > .method-section {
  padding-top: clamp(36px, 4vw, 62px);
  border-top: 1px solid #394143;
}
.strata-pro-detail.journey-v3 .technical-chapter-flow > :is(.depth-section, .method-section, .thermal-section, .measure-section, .evidence-section) :is(.depth-heading, .method-heading, .thermal-heading, .measure-heading, .evidence-heading) h2 {
  font-size: clamp(2.9rem, 4.5vw, 5.2rem);
  line-height: 1.03;
}
.strata-pro-detail.journey-v3 .technical-chapter-flow > :is(.depth-section, .method-section, .thermal-section, .measure-section, .evidence-section) :is(.depth-heading, .method-heading, .thermal-heading, .measure-heading, .evidence-heading) > p {
  line-height: 1.7;
}
.strata-pro-detail.journey-v3 .specs-heading h2 {
  font-size: clamp(2.7rem, 3.6vw, 4.2rem);
  line-height: 1.08;
}
.strata-pro-detail.journey-v3 .specs-layout {
  margin-top: clamp(34px, 4vw, 60px);
}
@media (max-width: 780px) {
  .strata-pro-detail.journey-v3 .technical-chapter-nav {
    min-height: 57px;
    padding: 0 4px;
  }
  .strata-pro-detail.journey-v3 .technical-chapter-nav a {
    flex-direction: column;
    gap: 3px;
    min-height: 56px;
    padding: 7px 3px 6px;
    border-bottom-width: 2px;
  }
  .strata-pro-detail.journey-v3 .technical-chapter-nav span {
    font-size: .57rem;
  }
  .strata-pro-detail.journey-v3 .technical-chapter-nav strong {
    max-width: 100%;
    font-size: clamp(.67rem, 2.8vw, .78rem);
  }
  .strata-pro-detail.journey-v3 [data-technical-chapter] {
    scroll-margin-top: 57px;
  }
  .strata-pro-detail.journey-v3 .technical-chapter-flow > section {
    padding-block: 53px 64px;
  }
  .strata-pro-detail.journey-v3 .technical-chapter-flow > .method-section {
    padding-top: 35px;
  }
  .strata-pro-detail.journey-v3 .technical-chapter-label {
    margin-bottom: 27px;
    font-size: .69rem;
  }
  .strata-pro-detail.journey-v3 .technical-chapter-flow > :is(.depth-section, .method-section, .thermal-section, .measure-section, .evidence-section) :is(.depth-heading, .method-heading, .thermal-heading, .measure-heading, .evidence-heading) h2 {
    font-size: clamp(2.45rem, 10.2vw, 3.35rem);
  }
  .strata-pro-detail.journey-v3 .technical-chapter-flow > :is(.depth-section, .method-section, .thermal-section, .measure-section, .evidence-section) :is(.depth-heading, .method-heading, .thermal-heading, .measure-heading, .evidence-heading) > p {
    margin-top: 23px;
    font-size: .9rem;
    line-height: 1.65;
  }
  .strata-pro-detail.journey-v3 .specs-heading h2 {
    font-size: 2.3rem;
  }
  .strata-pro-detail.journey-v3 .specs-layout {
    margin-top: 31px;
  }
}