.learn-hub {
  --learn-gap: 12px;
  --learn-panel-padding: clamp(14px, 1.5vw, 18px);
  min-width: 0;
}

.learn-hub .page {
  padding-bottom: 16px;
}

.learn-hub .hero {
  min-height: 146px;
  padding-top: 24px;
  padding-bottom: 22px;
}

.learn-hub .hero h1 {
  margin-bottom: 8px;
  font-size: clamp(34px, 4.2vw, 52px);
}

.learn-hub .hero p {
  font-size: 15px;
  line-height: 1.65;
}

.learn-hub .eyebrow,
.learn-hub .panel-kicker,
.learn-hub .card-kicker {
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: .16em;
}

.learn-hub .route-strip {
  min-width: 0;
  min-height: 62px;
  display: grid;
  grid-template-columns: 146px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  margin-bottom: var(--learn-gap);
  padding: 10px var(--learn-panel-padding);
}

.learn-hub .route-strip header {
  min-width: 0;
  padding-right: 16px;
  border-right: 1px solid rgba(255, 255, 255, .28);
}

.learn-hub .route-strip h2 {
  margin: 0;
  font: 600 18px/1.2 var(--font-serif);
  letter-spacing: .06em;
}

.learn-hub .route-scroll {
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.learn-hub .route-scroll::-webkit-scrollbar,
.learn-hub .primary-nav::-webkit-scrollbar {
  display: none;
}

.learn-hub .primary-nav {
  scrollbar-width: none;
}

.learn-hub .route-scroll:focus-visible {
  border-radius: 8px;
  outline: 2px solid rgba(255, 255, 255, .9);
  outline-offset: 3px;
}

.learn-hub .route-strip ol {
  min-width: 480px;
  display: grid;
  grid-template-columns: repeat(3, minmax(130px, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-hub .route-strip li {
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 10px;
  color: var(--on-image-muted);
  background: rgba(255, 255, 255, .07);
}

.learn-hub .route-strip li.current {
  border-color: rgba(255, 255, 255, .4);
  background: rgba(255, 255, 255, .14);
}

.learn-hub .route-strip li > span {
  flex: 0 0 auto;
  color: var(--green-soft);
  font: 600 14px/1 var(--font-serif);
}

.learn-hub .route-strip li strong {
  color: var(--on-image);
  font: 600 14px/1.2 var(--font-serif);
  letter-spacing: .04em;
  white-space: nowrap;
}

.learn-hub .reading-workbench {
  display: block;
  min-width: 0;
  padding: var(--learn-panel-padding);
}

.learn-hub .memory-panel {
  min-width: 0;
  min-height: 0;
  padding: 0;
}

.learn-hub .section-heading {
  min-height: 42px;
  align-items: center;
  margin-bottom: 10px;
}

.learn-hub .section-heading h2 {
  font-size: 21px;
}

.learn-hub .section-note {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  font-size: 12px;
}

.learn-hub .featured-card {
  grid-template-columns: minmax(210px, .42fr) minmax(0, 1fr);
  min-height: 158px;
  border-radius: 14px;
}

.learn-hub .featured-image {
  min-height: 158px;
  padding: 12px;
}

.learn-hub .featured-image span {
  font-size: 11px;
}

.learn-hub .featured-copy {
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 0 12px;
  padding: 15px 18px;
}

.learn-hub .featured-copy .card-mark {
  width: 38px;
  height: 48px;
  font-size: 18px;
}

.learn-hub .featured-copy h3 {
  font-size: 21px;
}

.learn-hub .featured-copy p {
  max-width: 660px;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.55;
}

.learn-hub .featured-copy > strong {
  margin-top: 8px;
  font-size: 13px;
}

.learn-hub .learning-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.learn-hub .learning-card {
  min-width: 0;
  min-height: 82px;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 10px;
  align-items: center;
  gap: 9px;
  padding: 10px;
  border-radius: 12px;
  color: var(--ink);
  box-shadow: none;
  text-shadow: none;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

.learn-hub .learning-card .card-mark,
.learn-hub .learning-card .classic-mark {
  width: 34px;
  height: 42px;
  grid-row: auto;
  border-radius: 7px 7px 10px 10px;
  font-size: 16px;
}

.learn-hub .learning-card div {
  min-width: 0;
}

.learn-hub .learning-card h3 {
  margin: 0;
  font: 600 16px/1.25 var(--font-serif);
  letter-spacing: .03em;
}

.learn-hub .learning-card p {
  margin: 4px 0 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.learn-hub .learning-card > strong {
  color: var(--green);
  font: 22px/1 var(--font-serif);
}

.learn-hub .featured-card:hover,
.learn-hub .featured-card:focus-visible,
.learn-hub .learning-card:hover,
.learn-hub .learning-card:focus-visible {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, .76);
  box-shadow: 0 10px 24px rgba(24, 36, 28, .12);
}

.learn-hub .learning-note {
  margin: 10px 2px 0;
  padding: 8px 10px 0;
  border-top: 1px solid rgba(53, 100, 74, .16);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.learn-hub .learning-note strong {
  color: var(--green-deep);
}

.learn-hub .site-footer {
  padding-top: 12px;
}

@media (max-width: 1080px) {
  .learn-hub .learning-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .learn-hub .page {
    padding-bottom: 18px;
  }

  .learn-hub .hero {
    min-height: 140px;
    padding: 24px 4px 18px;
  }

  .learn-hub .hero h1 {
    font-size: clamp(34px, 10vw, 44px);
  }

  .learn-hub .route-strip {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 10px;
    padding: 9px 11px;
  }

  .learn-hub .route-strip header {
    padding-right: 10px;
  }

  .learn-hub .route-strip h2 {
    font-size: 16px;
  }

  .learn-hub .route-strip ol {
    min-width: 390px;
    grid-template-columns: repeat(3, 122px);
  }

  .learn-hub .reading-workbench,
  .learn-hub .memory-panel {
    min-height: 0;
  }

  .learn-hub .memory-panel {
    padding: 0;
  }

  .learn-hub .featured-card {
    grid-template-columns: minmax(120px, .36fr) minmax(0, 1fr);
    min-height: 142px;
  }

  .learn-hub .featured-image {
    min-height: 142px;
  }

  .learn-hub .featured-copy {
    padding: 13px 14px;
  }
}

@media (max-width: 620px) {
  .learn-hub .section-note {
    display: none;
  }

  .learn-hub .featured-card {
    grid-template-columns: 112px minmax(0, 1fr);
    min-height: 136px;
  }

  .learn-hub .featured-image {
    min-height: 136px;
  }

  .learn-hub .featured-image span {
    display: none;
  }

  .learn-hub .featured-copy {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 0 10px;
    padding: 12px;
  }

  .learn-hub .featured-copy .card-mark {
    width: 34px;
    height: 44px;
    font-size: 17px;
  }

  .learn-hub .featured-copy h3 {
    font-size: 19px;
  }

  .learn-hub .featured-copy p {
    display: -webkit-box;
    overflow: hidden;
    font-size: 13px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .learn-hub .learning-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 8px;
  }

  .learn-hub .learning-card {
    min-height: 76px;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px;
    padding: 9px;
  }

  .learn-hub .learning-card > strong,
  .learn-hub .learning-card p {
    display: none;
  }

  .learn-hub .learning-note {
    margin-top: 8px;
    font-size: 13px;
  }
}

@media (max-width: 430px) {
  .learn-hub .hero {
    min-height: 128px;
    padding-top: 20px;
  }

  .learn-hub .hero h1 {
    margin-bottom: 6px;
    font-size: clamp(30px, 8.5vw, 34px);
  }

  .learn-hub .hero p {
    display: -webkit-box;
    overflow: hidden;
    font-size: 14px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .learn-hub .route-strip {
    min-height: 58px;
    grid-template-columns: 94px minmax(0, 1fr);
  }

  .learn-hub .route-strip .panel-kicker {
    font-size: 10px;
  }

  .learn-hub .route-strip ol {
    min-width: 342px;
    grid-template-columns: repeat(3, 108px);
  }

  .learn-hub .route-strip li {
    min-height: 38px;
    gap: 7px;
    padding: 6px 8px;
  }

  .learn-hub .route-strip li strong {
    font-size: 13px;
  }

  .learn-hub .reading-workbench {
    padding: 12px;
  }

  .learn-hub .section-heading {
    min-height: 38px;
    margin-bottom: 8px;
  }

  .learn-hub .section-heading h2 {
    font-size: 19px;
  }

  .learn-hub .featured-card {
    grid-template-columns: 98px minmax(0, 1fr);
    min-height: 128px;
  }

  .learn-hub .featured-image {
    min-height: 128px;
  }

  .learn-hub .featured-copy {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 0 8px;
    padding: 10px;
  }

  .learn-hub .featured-copy .card-mark {
    width: 30px;
    height: 40px;
    font-size: 16px;
  }

  .learn-hub .featured-copy h3 {
    font-size: 18px;
  }

  .learn-hub .featured-copy p {
    line-height: 1.4;
  }

  .learn-hub .featured-copy > strong {
    margin-top: 5px;
  }

  .learn-hub .learning-card h3 {
    font-size: 15px;
  }

  .learn-hub .site-footer {
    gap: 7px;
  }
}
