:root {
  --hero-title-size: clamp(3rem, 5vw, 5.4rem);
  --hero-subheading-size: clamp(1.35rem, 2.05vw, 2.05rem);
}

.lesson-canvas {
  gap: clamp(16px, 2.7vh, 28px);
  padding-top: clamp(22px, 3vw, 42px);
  padding-bottom: clamp(22px, 3vw, 42px);
  padding-left: clamp(72px, 8vw, 138px);
}

.lesson-canvas--hero {
  overflow: hidden;
}

.lesson-canvas--dense {
  gap: clamp(10px, 1.6vh, 18px);
  padding-top: clamp(16px, 2.2vw, 30px);
  padding-bottom: clamp(16px, 2.2vw, 30px);
}

.lesson-canvas--dense h2 {
  font-size: clamp(2.35rem, 4.4vw, 4.75rem);
}

.lesson-canvas--dense .instruction-list li,
.lesson-canvas--dense .turn-in {
  padding-top: 10px;
  padding-bottom: 10px;
}

.lesson-canvas h1 {
  max-width: 14ch;
  font-size: var(--hero-title-size);
}

.lesson-canvas h2 {
  max-width: 14ch;
  font-size: clamp(2.65rem, 5vw, 5.4rem);
}

.lesson-lead {
  max-width: 38ch;
  margin: 0;
  font-size: var(--hero-subheading-size) !important;
  font-weight: 600;
  line-height: 1.25 !important;
}

.lesson-note {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(0.95rem, 1.25vw, 1.24rem) !important;
  font-weight: 560;
  line-height: 1.35 !important;
}

.lesson-mark {
  position: absolute;
  right: clamp(24px, 4vw, 70px);
  bottom: clamp(8px, 2vh, 24px);
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(8rem, 21vw, 21rem) !important;
  line-height: 0.76 !important;
  opacity: 0.1;
  pointer-events: none;
}

.instruction-list {
  display: grid;
  width: min(1050px, 100%);
  padding: 0;
  border-top: 3px solid currentColor;
  list-style: none;
}

.instruction-list li {
  display: grid;
  grid-template-columns: clamp(42px, 5vw, 72px) minmax(0, 1fr);
  gap: clamp(14px, 2vw, 28px);
  align-items: baseline;
  padding: clamp(10px, 1.7vh, 18px) 0;
  border-bottom: 2px solid currentColor;
}

.instruction-list span {
  font-family: var(--display-font);
  font-size: clamp(1.5rem, 2.5vw, 2.65rem);
  line-height: 1;
}

.instruction-list strong {
  display: block;
  font-size: clamp(1.15rem, 1.75vw, 1.75rem);
  line-height: 1.22;
}

.instruction-list p {
  margin: 3px 0 0;
  font-size: clamp(0.94rem, 1.25vw, 1.2rem);
  font-weight: 520;
}

.beat-line,
.direction-line,
.watch-line,
.kca-line {
  display: grid;
  width: min(1180px, 100%);
  margin: 0;
  padding: 0;
  list-style: none;
}

.beat-line {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
}

.beat-line li {
  min-height: 190px;
  padding: clamp(18px, 3vw, 36px);
}

.beat-line li + li {
  border-left: 2px solid currentColor;
}

.beat-line strong,
.direction-line strong,
.watch-line strong,
.kca-line strong {
  display: block;
  font-family: var(--display-font);
  font-size: clamp(1.65rem, 3vw, 3.25rem);
  letter-spacing: 0.01em;
  line-height: 0.95;
  text-transform: uppercase;
}

.beat-line p,
.direction-line p,
.watch-line p,
.kca-line p {
  margin: 12px 0 0;
  font-size: clamp(0.95rem, 1.4vw, 1.35rem);
  font-weight: 540;
}

.beat-line b {
  display: block;
  margin-bottom: 12px;
  font-size: 0.78rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.direction-line,
.watch-line,
.kca-line {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
}

.direction-line > div,
.watch-line > div,
.kca-line > div {
  min-height: 210px;
  padding: clamp(18px, 2.5vw, 34px);
}

.direction-line > div + div,
.watch-line > div + div,
.kca-line > div + div {
  border-left: 2px solid currentColor;
}

.watch-line {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.watch-line > div {
  min-height: 175px;
}

.watch-line strong {
  font-size: clamp(1.35rem, 2.35vw, 2.5rem);
}

.kca-line > div:first-child {
  background: var(--green);
}

.kca-line > div:nth-child(2) {
  background: var(--orange);
}

.kca-line > div:last-child {
  background: var(--yellow);
}

.turn-in {
  display: grid;
  width: min(1120px, 100%);
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(18px, 3vw, 42px);
  align-items: center;
  padding: clamp(18px, 3vw, 34px) 0;
  border-top: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
}

.turn-in span {
  font-family: var(--display-font);
  font-size: clamp(1.25rem, 2vw, 2.1rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.turn-in p {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 2rem);
  font-weight: 650;
}

.episode-link {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 12px 18px;
  border: 2px solid currentColor;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 160ms ease, background 160ms ease, transform 160ms var(--ease);
}

.episode-link:hover,
.episode-link:focus-visible {
  color: var(--ink);
  background: var(--yellow);
  transform: translateY(-3px);
}

.audience-message-example,
.poster-comparison,
.analysis-comparison,
.two-pass-watch,
.strongest-frame {
  display: grid;
  width: min(1120px, 100%);
  align-items: center;
}

.audience-message-example {
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: clamp(16px, 3vw, 44px);
  padding-block: clamp(18px, 3vh, 34px);
  border-top: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
}

.audience-message-example span,
.sample-label,
.two-pass-watch span,
.analysis-comparison span,
.direction-examples span,
.sound-strip span {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(0.72rem, 1vw, 0.95rem);
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.audience-message-example strong {
  display: block;
  font-family: var(--display-font);
  font-size: clamp(2rem, 4vw, 4.6rem);
  line-height: 0.92;
  text-transform: uppercase;
}

.audience-message-example p,
.two-pass-watch p,
.analysis-comparison p,
.direction-examples p,
.test-examples p,
.sound-strip p {
  margin: 10px 0 0;
  font-size: clamp(0.95rem, 1.3vw, 1.25rem);
  font-weight: 540;
}

.example-arrow,
.comparison-arrow {
  font-family: var(--display-font);
  font-size: clamp(2.4rem, 5vw, 5rem);
}

.poster-comparison {
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: clamp(14px, 2.5vw, 38px);
}

.sample-poster {
  display: flex;
  min-height: clamp(180px, 29vh, 270px);
  flex-direction: column;
  justify-content: center;
  padding: clamp(18px, 2.5vw, 34px);
  border: 3px solid currentColor;
}

.sample-poster--crowded {
  background: var(--paper);
  transform: rotate(-1deg);
}

.sample-poster--crowded p {
  margin: 0;
  font-size: clamp(0.88rem, 1.25vw, 1.2rem);
  font-weight: 650;
  line-height: 1.15;
  text-align: center;
  text-transform: uppercase;
}

.sample-poster--crowded b {
  margin-top: 18px;
  font-size: clamp(0.8rem, 1vw, 1rem);
  text-align: right;
}

.sample-poster--clear {
  color: var(--white);
  background: var(--blue-deep);
  transform: rotate(1deg);
}

.sample-poster--clear b {
  font-family: var(--display-font);
  font-size: clamp(3rem, 7vw, 7rem);
  letter-spacing: 0.01em;
  line-height: 0.76;
}

.sample-poster--clear p {
  margin: 18px 0 0;
  font-size: clamp(1rem, 1.7vw, 1.65rem);
  font-weight: 700;
}

.talk-prompt {
  width: min(1120px, 100%);
  margin: 0;
  padding-top: 14px;
  border-top: 2px solid currentColor;
  font-size: clamp(1rem, 1.5vw, 1.45rem) !important;
  font-weight: 560;
}

.choice-line,
.storyboard-example {
  display: grid;
  width: min(1180px, 100%);
  margin: 0;
  padding: 0;
  border-top: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
  list-style: none;
}

.choice-line {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.choice-line li,
.storyboard-example li {
  min-width: 0;
  padding: clamp(14px, 2.3vw, 30px);
}

.choice-line li + li,
.storyboard-example li + li {
  border-left: 2px solid currentColor;
}

.choice-line b,
.frame-number {
  display: block;
  margin-bottom: 10px;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.choice-line strong,
.storyboard-example strong,
.thumbnail-demo strong,
.two-pass-watch strong,
.segment-strip strong,
.direction-examples strong,
.test-examples strong {
  display: block;
  font-family: var(--display-font);
  font-size: clamp(1.5rem, 2.6vw, 2.8rem);
  line-height: 0.95;
  text-transform: uppercase;
}

.choice-line p,
.storyboard-example p,
.thumbnail-demo p,
.segment-strip p {
  margin: 10px 0 0;
  font-size: clamp(0.88rem, 1.2vw, 1.15rem);
  font-weight: 540;
}

.partner-test {
  width: min(1120px, 100%);
  padding: clamp(18px, 3vw, 34px);
  border: 3px solid currentColor;
  background: rgb(255 255 255 / 0.18);
}

.partner-test blockquote,
.analysis-comparison blockquote {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(1.7rem, 3.5vw, 3.8rem);
  line-height: 0.98;
}

.partner-test p {
  max-width: 72ch;
  margin: 16px 0 0;
  font-size: clamp(0.95rem, 1.4vw, 1.3rem);
  font-weight: 600;
}

.storyboard-example {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.frame-picture {
  min-height: 100px;
  margin-bottom: 14px;
  padding: 12px;
  border: 3px solid currentColor;
  font-size: clamp(2rem, 4vw, 4.5rem);
  line-height: 0.9;
  text-align: center;
}

.thumbnail-demo,
.direction-examples,
.test-examples,
.segment-strip {
  display: grid;
  width: min(1180px, 100%);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
}

.thumbnail-demo > div,
.direction-examples > div,
.test-examples > div,
.segment-strip > div {
  min-width: 0;
  padding: clamp(16px, 2.6vw, 34px);
}

.thumbnail-demo > div + div,
.direction-examples > div + div,
.test-examples > div + div,
.segment-strip > div + div {
  border-left: 2px solid currentColor;
}

.thumbnail-icon {
  display: flex;
  min-height: 95px;
  align-items: center;
  margin-bottom: 14px;
  font-family: var(--display-font);
  font-size: clamp(2.5rem, 6vw, 6rem);
  line-height: 0.7;
}

.strongest-frame {
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(22px, 4vw, 60px);
  padding-block: 18px;
  border-top: 3px solid currentColor;
}

.strongest-frame__mark {
  display: grid;
  width: clamp(100px, 15vw, 170px);
  aspect-ratio: 1;
  place-items: center;
  margin: 0;
  border: clamp(8px, 1vw, 14px) solid var(--orange);
  border-radius: 50%;
  font-family: var(--display-font);
  font-size: clamp(4rem, 8vw, 8rem) !important;
  line-height: 1 !important;
}

.strongest-frame > p:last-child {
  margin: 0;
  font-size: clamp(1.2rem, 2.1vw, 2.1rem);
  line-height: 1.25;
}

.two-pass-watch,
.analysis-comparison {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
}

.two-pass-watch > div,
.analysis-comparison > div {
  min-width: 0;
  padding: clamp(18px, 3vw, 36px);
}

.two-pass-watch > div + div,
.analysis-comparison > div + div {
  border-left: 2px solid currentColor;
}

.two-pass-watch strong {
  font-size: clamp(2rem, 4vw, 4.6rem);
}

.segment-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.segment-strip span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.segment-strip strong {
  font-size: clamp(1.35rem, 2.3vw, 2.5rem);
}

.sound-strip {
  display: grid;
  width: min(1180px, 100%);
  grid-template-columns: auto minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 14px 20px;
  color: var(--ink);
  background: var(--green);
}

.sound-strip span,
.sound-strip p {
  margin: 0;
}

.analysis-comparison > div:first-child {
  background: rgb(255 255 255 / 0.12);
}

.analysis-comparison > div:last-child {
  color: var(--ink);
  background: var(--yellow);
}

.analysis-comparison blockquote {
  font-size: clamp(1.55rem, 3vw, 3.3rem);
}

.direction-examples > div:nth-child(1) {
  background: var(--orange);
}

.direction-examples > div:nth-child(2) {
  background: var(--yellow);
}

.direction-examples > div:nth-child(3) {
  background: var(--green);
}

.direction-examples strong,
.test-examples strong {
  font-size: clamp(1.45rem, 2.5vw, 2.7rem);
}

.test-examples > div:nth-child(2) {
  border-inline: 2px solid currentColor;
}

.is-entering .instruction-list li,
.is-entering .beat-line li,
.is-entering .direction-line > div,
.is-entering .watch-line > div,
.is-entering .kca-line > div {
  animation: lesson-rise 380ms var(--ease) both;
}

.is-entering :is(li, div):nth-child(2) {
  animation-delay: 55ms;
}

.is-entering :is(li, div):nth-child(3) {
  animation-delay: 110ms;
}

.is-entering :is(li, div):nth-child(4) {
  animation-delay: 165ms;
}

@keyframes lesson-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-height: 760px) and (min-width: 721px) {
  .lesson-canvas {
    gap: 14px;
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .lesson-canvas h1 {
    font-size: clamp(2.75rem, 5.4vw, 4.8rem);
  }

  .lesson-canvas h2 {
    font-size: clamp(2.4rem, 5vw, 4.5rem);
  }

  .lesson-lead {
    font-size: clamp(1.05rem, 1.8vw, 1.55rem) !important;
  }

  .instruction-list li {
    padding: 7px 0;
  }

  .beat-line li,
  .direction-line > div,
  .watch-line > div,
  .kca-line > div,
  .choice-line li,
  .storyboard-example li,
  .thumbnail-demo > div,
  .direction-examples > div,
  .test-examples > div,
  .segment-strip > div,
  .two-pass-watch > div,
  .analysis-comparison > div {
    min-height: 0;
    padding: 14px 18px;
  }

  .beat-line strong,
  .direction-line strong,
  .watch-line strong,
  .kca-line strong {
    font-size: clamp(1.25rem, 2.2vw, 2rem);
  }

  .beat-line p,
  .direction-line p,
  .watch-line p,
  .kca-line p {
    margin-top: 7px;
    font-size: clamp(0.78rem, 1.1vw, 0.98rem);
  }

  .frame-picture,
  .thumbnail-icon {
    min-height: 62px;
    margin-bottom: 8px;
  }

  .sample-poster {
    min-height: 160px;
  }
}

@media (max-width: 720px), (max-height: 560px) {
  .lesson-canvas {
    padding-left: 22px;
  }

  .lesson-mark {
    display: none;
  }

  .beat-line,
  .direction-line,
  .watch-line,
  .kca-line,
  .choice-line,
  .storyboard-example,
  .thumbnail-demo,
  .direction-examples,
  .test-examples,
  .segment-strip {
    grid-template-columns: 1fr;
  }

  .audience-message-example,
  .poster-comparison,
  .analysis-comparison,
  .two-pass-watch,
  .strongest-frame {
    grid-template-columns: 1fr;
  }

  .example-arrow,
  .comparison-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .beat-line li,
  .direction-line > div,
  .watch-line > div,
  .kca-line > div,
  .choice-line li,
  .storyboard-example li,
  .thumbnail-demo > div,
  .direction-examples > div,
  .test-examples > div,
  .segment-strip > div {
    min-height: 0;
    padding: 14px 0;
  }

  .beat-line li + li,
  .direction-line > div + div,
  .watch-line > div + div,
  .kca-line > div + div,
  .choice-line li + li,
  .storyboard-example li + li,
  .thumbnail-demo > div + div,
  .direction-examples > div + div,
  .test-examples > div + div,
  .segment-strip > div + div,
  .two-pass-watch > div + div,
  .analysis-comparison > div + div {
    border-top: 2px solid currentColor;
    border-left: 0;
  }

  .kca-line > div {
    padding: 14px;
  }

  .turn-in {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}