/* A quiet reading spine continues the stethoscope inside the content column. */
.thread-chapter { position: relative; }
.thread-chapter.section,
.thread-chapter > .section,
.thread-chapter > .journal-grid {
  padding-top: 110px;
  padding-bottom: 110px;
}
.thread-chapter .approach-grid,
.thread-chapter .curriculum-grid,
.thread-chapter .activity-layout,
.thread-chapter .reading-layout,
.thread-chapter .journal-grid,
.thread-chapter .studio-grid,
.thread-chapter .faq-section {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.25fr);
  gap: 100px;
  align-items: start;
}
.thread-chapter .approach-content,
.thread-chapter .curriculum-content,
.thread-chapter .activity-list,
.thread-chapter .article-grid,
.thread-chapter .journal-content,
.thread-chapter .studio-info,
.thread-chapter .faq-content {
  min-width: 0;
  padding-left: 48px;
}
.thread-chapter .approach-line { display: none; }
.thread-chapter .section-heading { display: block; margin-bottom: 0; }
.thread-chapter .section-heading > p { max-width: 360px; margin-top: 24px; font-size: 16px; }
.thread-chapter .section-heading h2 { margin-bottom: 0; }
.thread-art-band { display: none; }

/* Practical routes remain next to the introduction, leaving an open graphic exit. */
.hero { align-items: stretch; }
.hero-composition { height: 600px; min-height: 600px; align-self: center; }
.hero-copy > .quick-access {
  width: 100%;
  max-width: none;
  min-width: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
  padding: 0;
}
.hero-copy > .quick-access > p {
  grid-column: 1 / -1;
  min-height: 0;
  border: 0;
  padding: 0 0 12px;
  font-size: 14px;
  line-height: 1.4;
}
.hero-copy > .quick-access > p br { display: none; }
.hero-copy > .quick-access > p strong { font-size: 15px; margin-left: 3px; }
.hero-copy > .quick-access > a {
  position: relative;
  display: block;
  min-width: 0;
  min-height: 98px;
  padding: 16px 12px;
}
.hero-copy > .quick-access > a:first-of-type { padding-left: 0; border-left: 0; }
.hero-copy > .quick-access .quick-number {
  display: block;
  margin: 0 0 9px;
  padding-top: 0;
  font-size: 9px;
  line-height: 1.3;
}
.hero-copy > .quick-access > a > span:nth-child(2) {
  display: block;
  padding-right: 12px;
  font-size: 14px;
  line-height: 1.35;
  letter-spacing: -.1px;
}
.hero-copy > .quick-access .quick-arrow { position: absolute; top: 15px; right: 11px; font-size: 20px; }

/* The original vertical structure returns to the approach text. */
.principles { display: block; margin: 0; padding: 0; }
.approach-content .principle { display: flex; gap: 24px; border-top: 1px solid var(--line); padding: 23px 0; }
.approach-content .principle:first-of-type { margin-top: 35px; }
.approach-content .principle > span { display: block; margin: 0; padding-top: 3px; }
.thread-chapter .cv-timeline > li::before,
.thread-chapter .cv-timeline > li > div::before { display: none; }
.thread-chapter .cv-timeline > li > div { padding-left: 0; }
.thread-chapter .activity > summary { gap: 20px; }
.thread-chapter .activity-name { font-size: 28px; line-height: 1.25; letter-spacing: -.6px; }
.thread-chapter .activity-number { min-width: 28px; font-size: 12px; padding-top: 8px; }
.thread-chapter .activity-name > small { font-size: 10px; line-height: 1.55; letter-spacing: .6px; }
.thread-chapter .activity-body { padding-left: 48px; padding-right: 8px; }
.thread-chapter .activity-body p { font-size: 16px; line-height: 1.8; }

/* Editorial rows keep the image, title and reading action together. */
.reading-intro .reading-controls { display: block; margin: 28px 0 0; padding-bottom: 0; border-bottom: 0; }
.reading-intro .filters { gap: 8px; }
.reading-intro .filter { min-height: 44px; font-size: 12px; padding: 10px 13px; }
.reading-intro .reading-count { display: block; margin-top: 16px; font-size: 12px; }
.thread-chapter .article-grid { display: grid; grid-template-columns: 1fr; gap: 34px; }
.thread-chapter .article-hit { display: grid; grid-template-columns: 160px minmax(0, 1fr); column-gap: 24px; align-items: start; }
.thread-chapter .article-art { grid-column: 1; grid-row: 1 / span 5; width: 160px; height: 170px; }
.thread-chapter .article-hit > .article-meta,
.thread-chapter .article-hit > h3,
.thread-chapter .article-hit > p,
.thread-chapter .article-hit > .article-read { grid-column: 2; }
.thread-chapter .art-number { left: 12px; top: 12px; font-size: 7px; letter-spacing: .4px; }
.thread-chapter .card-word { left: 12px; right: 8px; top: 61px; font-size: 24px; line-height: 1.05; letter-spacing: -.9px; }
.thread-chapter .art-symbol { right: 11px; bottom: 11px; font-size: 19px; }
.thread-chapter .article-meta { display: flex; flex-wrap: wrap; gap: 5px 10px; margin-top: 0; margin-bottom: 9px; font-size: 8px; line-height: 1.5; letter-spacing: .1px; }
.thread-chapter .article-meta > span + span { margin-top: 0; }
.thread-chapter .article-card h3 { font-size: 24px; line-height: 1.22; letter-spacing: -.6px; margin-bottom: 11px; }
.thread-chapter .article-card p { font-size: 14px; line-height: 1.7; margin-bottom: 9px; }
.thread-chapter .article-read { min-height: 44px; font-size: 12px; gap: 10px; }

.care-thread {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 4;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
  contain: layout paint style;
}
.care-thread > svg { display: block; width: 100%; height: 100%; overflow: hidden; pointer-events: none; }
.care-thread__tube,
.care-thread__active {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.care-thread__tube { stroke-width: 2.5; opacity: .42; }
.care-thread__active { stroke-width: 4; opacity: 1; }
.care-thread__chestpiece {
  fill: none;
  stroke: #2bdbaa;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.care-thread__chestpiece circle { vector-effect: non-scaling-stroke; }
.care-thread__diaphragm { fill: #2bdbaa; stroke: none; }
.thread-ready .care-line > circle { visibility: hidden; }

/* Emphasis is limited to the current chapter and point being read. */
.thread-current .section-label > span:first-child { color: var(--ink); }
.thread-reading.principle > span,
.thread-reading.activity .activity-number,
.cv-timeline > li.thread-reading > time { color: var(--ink); font-weight: 600; }
.thread-reading.activity .detail-icon { border-color: #2bdbaa; background: #cef5ed; }
.thread-reading.article-card .article-read,
.thread-reading.faq-category > h3 { color: var(--ink); }
.desktop-nav a[aria-current="location"] { border-bottom-color: var(--mint); }
.mobile-nav a[aria-current="location"] { color: var(--mint); }

.article-dialog[open] .dialog-top::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 3px;
  background: linear-gradient(90deg, #239cd5, #2bdbaa);
  transform-origin: left center;
  animation: care-thread-dialog .5s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes care-thread-dialog { from { transform: scaleX(0); } to { transform: scaleX(1); } }

@media (max-width: 1100px) {
  .hero-copy > .quick-access > a > span:nth-child(2) { font-size: 13px; }
  .thread-chapter .article-hit { grid-template-columns: 120px minmax(0, 1fr); column-gap: 18px; }
  .thread-chapter .article-art { width: 120px; height: 170px; }
  .thread-chapter .card-word { font-size: 20px; left: 10px; letter-spacing: -.7px; }
  .thread-chapter .art-number { font-size: 6px; left: 10px; letter-spacing: 0; }
  .thread-chapter .article-card h3 { font-size: 21px; }
  .thread-chapter .activity-name { font-size: 25px; }
}
@media (max-width: 800px) {
  .thread-chapter.section,
  .thread-chapter > .section,
  .thread-chapter > .journal-grid { padding-top: 90px; padding-bottom: 100px; }
  .thread-chapter .approach-grid,
  .thread-chapter .curriculum-grid,
  .thread-chapter .activity-layout,
  .thread-chapter .reading-layout,
  .thread-chapter .journal-grid,
  .thread-chapter .studio-grid,
  .thread-chapter .faq-section { grid-template-columns: 1fr; gap: 35px; }
  .thread-chapter .approach-content,
  .thread-chapter .curriculum-content,
  .thread-chapter .activity-list,
  .thread-chapter .article-grid,
  .thread-chapter .journal-content,
  .thread-chapter .studio-info,
  .thread-chapter .faq-content { padding-left: 44px; }
  .thread-chapter h2 { font-size: clamp(36px, 10.5vw, 56px); letter-spacing: -1.7px; line-height: 1.08; }
  .thread-chapter.approach h2 br { display: initial; }
  .thread-chapter .section-heading > p { max-width: none; margin-top: 22px; }
  .thread-chapter .activity-name { font-size: 22px; }
  .thread-chapter .activity > summary { gap: 12px; }
  .thread-chapter .activity-number { min-width: 20px; padding-top: 5px; }
  .thread-chapter .activity-body { padding-left: 32px; }
  .thread-chapter .activity-body p { font-size: 16px; }
  .thread-chapter .article-grid { gap: 34px; }
  .thread-chapter .article-hit { grid-template-columns: 160px minmax(0, 1fr); column-gap: 22px; }
  .thread-chapter .article-art { width: 160px; height: 170px; }
  .thread-chapter .card-word { font-size: 24px; left: 12px; letter-spacing: -.9px; }
  .thread-chapter .art-number { font-size: 7px; left: 12px; }
  .thread-chapter .article-card h3 { font-size: 24px; }
  .care-thread__tube { stroke-width: 2.5; }
  .care-thread__active,
  .care-thread__chestpiece { stroke-width: 3; }

  /* The graphic origin remains visible without overlapping the introduction. */
  .hero { padding-bottom: 28px; }
  .hero-composition { display: block; width: 100%; max-width: 390px; height: 300px; min-height: 0; margin: 22px auto 0; opacity: 1; }
  .hero-composition .care-line { inset: 0; top: 0; left: 0; right: 0; width: 100%; height: 100%; }

  .hero-stamp { right: 0; top: 14%; font-size: 8px; line-height: 1.9; letter-spacing: .8px; }
  .hero-microcopy { left: 27%; bottom: 5%; font-size: 14px; line-height: 1.5; }
  .thread-chapter .journal-cover { width: 100%; max-width: 300px; }
}
@media (max-width: 600px) {
  .thread-chapter .article-hit { display: block; }
  .thread-chapter .article-art { width: 100%; height: 180px; margin-bottom: 18px; }
  .thread-chapter .card-word { top: 58px; font-size: 30px; }
  .thread-chapter .art-number { font-size: 8px; }
  .thread-chapter .article-card p { font-size: 15px; }
  .thread-chapter .article-meta { font-size: 9px; }
  .thread-chapter .article-read { font-size: 13px; }
}
@media (max-width: 390px) {

  .hero-stamp { font-size: 7px; }
  .hero-microcopy { font-size: 13px; bottom: 8%; }
  .thread-chapter .cover-name { font-size: 48px; letter-spacing: -3px; }
  .thread-chapter .activity-name > small { font-size: 9px; letter-spacing: .3px; }
}
@media (prefers-reduced-motion: reduce) {
  .article-dialog[open] .dialog-top::after { animation: none; }
}
@media print {
  .care-thread,
  .article-dialog[open] .dialog-top::after { display: none !important; }
  .thread-ready .care-line > circle { visibility: visible; }
  .thread-chapter .approach-content,
  .thread-chapter .curriculum-content,
  .thread-chapter .activity-list,
  .thread-chapter .article-grid,
  .thread-chapter .journal-content,
  .thread-chapter .studio-info,
  .thread-chapter .faq-content { padding-left: 0; }
}

.care-thread__tube { stroke: #239cd5; opacity: .28; }
.care-thread__rim { stroke: #2bdbaa; stroke-width: 3.5; }
.thread-ready .cover-thread { display: none; }
@media (min-width: 801px) {
  .thread-chapter .approach-grid > div:first-child,
  .thread-chapter .curriculum-intro,
  .thread-chapter .activity-layout > .section-heading,
  .thread-chapter .reading-intro,
  .thread-chapter .studio-intro { position: sticky; top: 40px; align-self: start; }
}
@media (max-width: 800px) {
  .care-thread__rim { stroke-width: 2.5; }
  .thread-chapter .activity-name { font-size: clamp(19px, 5.6vw, 24px); }
  .thread-chapter .activity > summary { flex-wrap: wrap; position: relative; padding-right: 40px; }
  .thread-chapter .activity-name { flex: 1 1 150px; min-width: 0; }
  .thread-chapter .activity-name > small { overflow-wrap: anywhere; }
  .thread-chapter .detail-icon { position: absolute; right: 0; top: 26px; width: 32px; height: 32px; font-size: 23px; }
}