.header-inner {
  gap: 24px;
}
.header nav {
  gap: 18px;
}
.reading-nav {
  position: sticky;
  top: 90px;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0;
  margin: 0 0 34px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.reading-nav a {
  display: block;
  border: 1px solid var(--line);
  padding: 8px 13px;
  font-size: 13px;
}
.reading-nav a:hover {
  background: var(--green);
  color: var(--paper);
}
.film-library,
.acting-chapter,
.lesson-extension {
  max-width: 78ch;
  margin-inline: auto;
}
.film-case {
  margin: 38px 0;
  padding: 27px 0;
  border-top: 1px solid var(--line);
  display: flow-root;
  scroll-margin-top: 175px;
}
.case-heading span {
  font-size: 12px;
  color: var(--muted);
}
.case-heading h3 {
  margin: 10px 0 20px;
  font-size: 22px;
  line-height: 1.6;
}
.film-case p,
.acting-chapter p,
.lesson-extension p {
  line-height: 1.85;
  margin: 1.1rem 0;
}
.study-visual {
  margin: 22px 0 28px;
  max-width: 100%;
  display: block;
}
.study-visual img {
  display: block;
  width: auto;
  max-width: min(340px, 100%);
  max-height: 230px;
  height: auto;
  object-fit: contain;
  background: #e7e8df;
}
.study-visual figcaption {
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 66ch;
  margin-top: 10px;
  overflow-wrap: anywhere;
}
.study-visual figcaption a,
.source-line a,
.study-footnotes a,
.research-sources a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.study-visual figcaption span {
  font-size: 11px;
}
.film-case h4,
.acting-section h3 {
  font-size: 18px;
  margin: 32px 0 13px;
  line-height: 1.6;
}
.case-limit {
  font-size: 13px;
  border-left: 3px solid var(--green);
  padding: 13px 18px;
  background: #e9ede2;
  color: #41493f;
}
.case-concepts {
  font-size: 13px;
}
.case-concepts a {
  color: var(--green);
  text-decoration: underline;
}
.source-line {
  font-size: 12px;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.study-question {
  border-block: 1px solid var(--line);
  padding: 18px 0;
  color: var(--green);
  font-weight: 600;
}
.acting-chapter {
  padding: 24px 0 45px;
  scroll-margin-top: 180px;
  border-top: 2px solid var(--green);
}
.acting-chapter h2 {
  margin: 24px 0;
  font-size: 32px;
}
.chapter-lead {
  font-size: 18px;
  line-height: 1.9;
}
.acting-section {
  margin: 34px 0;
}
.study-footnotes {
  margin: 34px 0;
  font-size: 12px;
  border-top: 1px solid var(--line);
  padding-top: 15px;
  overflow-wrap: anywhere;
}
.study-footnotes ol {
  list-style: none;
  padding: 0;
}
.study-footnotes li {
  padding: 10px 0;
  scroll-margin-top: 180px;
}
.study-footnotes small {
  display: block;
  color: var(--muted);
  line-height: 1.75;
  margin-top: 5px;
}
.study-footnotes .footnote-number {
  font-weight: 700;
  margin-right: 5px;
}
sup a {
  color: var(--green);
  text-decoration: underline;
  padding: 3px;
  font-size: 12px;
}
.research-sources {
  max-width: 78ch;
  margin: 40px auto;
}
.research-sources h2 {
  margin: 45px 0 20px;
}
.research-sources p {
  line-height: 1.85;
}
.research-sources summary {
  cursor: pointer;
  color: var(--green);
}
.term-depth .film-case {
  padding: 15px 0;
  margin: 22px 0;
}
.term-depth .film-case h3 {
  font-size: 17px;
}
.term-depth .film-case p {
  font-size: 13px;
}
#lesson-content .lesson-extension {
  margin: 35px 0;
}
#lesson-content .lesson-extension h2 {
  margin-top: 36px;
}
.film-case a.text-link {
  display: inline-block;
  padding: 10px 0;
}
.study-loop .actions {
  flex-wrap: wrap;
  margin-top: 18px;
}
.study-loop .btn.secondary {
  color: var(--paper);
  border-color: var(--paper);
}
.study-loop .btn.secondary:hover {
  color: var(--ink);
  background: var(--paper);
  border-color: var(--paper);
}
.study-loop .btn.secondary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}
footer {
  flex-wrap: wrap;
}
@media (max-width: 1060px) {
  .header nav {
    gap: 13px;
  }
  .header nav a {
    font-size: 12px;
  }
  .my-progress {
    font-size: 11px;
  }
  .brand {
    font-size: 17px;
  }
}
@media (max-width: 760px) {
  .header-inner {
    gap: 12px;
  }
  .header nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 22px;
    padding-bottom: 7px;
  }
  .header nav a {
    font-size: 12px;
    flex: 0 0 auto;
    min-height: 32px;
    padding-top: 5px;
  }
  .reading-nav {
    position: static;
    gap: 6px;
    padding: 10px 0;
    margin-bottom: 24px;
  }
  .reading-nav a {
    font-size: 12px;
    padding: 8px 10px;
  }
  .film-case {
    padding: 20px 0;
    margin: 28px 0;
    scroll-margin-top: 140px;
  }
  .case-heading h3 {
    font-size: 20px;
  }
  .study-visual img {
    max-width: min(300px, 100%);
    max-height: 210px;
  }
  .study-visual figcaption {
    font-size: 12px;
  }
  .acting-chapter {
    padding: 20px 0 30px;
    scroll-margin-top: 150px;
  }
  .acting-chapter h2 {
    font-size: 26px;
    line-height: 1.5;
  }
  .chapter-lead {
    font-size: 16px;
  }
  .case-limit {
    padding: 12px 14px;
  }
  .study-footnotes li {
    scroll-margin-top: 145px;
  }
  .study-loop .btn {
    white-space: normal;
  }
  .source-line {
    font-size: 11px;
  }
}
.reading-nav a {
  white-space: normal;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
}
.study-visual[data-kind="portrait"] img {
  max-width: 170px;
  max-height: 220px;
}
.study-visual[data-kind="concept-diagram"] img {
  max-width: min(440px, 100%);
  max-height: 320px;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}