.tutorial-hero {
  padding-top: clamp(64px, 8vw, 104px);
  padding-bottom: clamp(56px, 7vw, 92px);
  border-bottom: 1px solid var(--color-line);
  background:
    radial-gradient(44% 72% at 84% 26%, var(--color-sky) 0%, var(--color-sky-clear) 72%),
    radial-gradient(38% 62% at 12% 82%, var(--color-mint) 0%, var(--color-mint-clear) 74%);
}

.tutorial-hero h1 {
  margin-top: 22px;
}

.tutorial-hero__actions {
  margin-top: 28px;
  margin-bottom: 30px;
}

.tutorial-hero .callout {
  margin-bottom: 0;
}

.tutorial-nav-section {
  padding-top: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-panel);
}

.tutorial-nav-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 20px;
}

.tutorial-nav-heading h2 {
  margin-bottom: 0;
  font-size: clamp(24px, 2.6vw, 32px);
}

.tutorial-nav-heading p {
  max-width: 620px;
  margin: 0;
  color: var(--color-text-muted);
}

.tutorial-step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

.tutorial-step--reverse {
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
}

.tutorial-step--reverse .tutorial-step__copy {
  grid-column: 2;
}

.tutorial-step--reverse .tutorial-step__figure {
  grid-column: 1;
  grid-row: 1;
}

.tutorial-step__copy {
  min-width: 0;
}

.tutorial-step__copy h2,
.verification-panel h2 {
  padding-right: 58px;
}

.tutorial-step__copy h3 {
  margin-top: 1.8em;
}

.tutorial-step__marker {
  position: absolute;
  top: 30px;
  right: 32px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--color-accent-soft);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
}

.tutorial-step__figure {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  width: min(100%, 280px);
}

.verification-panel {
  position: relative;
}

.verification-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  padding-left: 1.5em;
}

.verification-list li {
  padding-left: 8px;
}

.tutorial-step[id],
section[id] {
  scroll-margin-top: calc(var(--header-height) + 18px);
}

@media (max-width: 820px) {
  .tutorial-nav-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .tutorial-step,
  .tutorial-step--reverse {
    grid-template-columns: minmax(0, 1fr);
  }

  .tutorial-step--reverse .tutorial-step__copy,
  .tutorial-step--reverse .tutorial-step__figure {
    grid-column: 1;
  }

  .tutorial-step--reverse .tutorial-step__copy {
    grid-row: 1;
  }

  .tutorial-step--reverse .tutorial-step__figure {
    grid-row: 2;
  }

  .tutorial-step__figure {
    position: static;
    width: min(100%, 280px);
  }
}

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 48px;
    padding-bottom: 58px;
  }

  .tutorial-nav-section {
    padding-top: 24px;
    padding-bottom: 24px;
  }

  .tutorial-nav-section .toc {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .tutorial-nav-section .toc a {
    flex: 0 0 auto;
  }

  .tutorial-step {
    gap: 30px;
  }

  .tutorial-step__copy h2,
  .verification-panel h2 {
    padding-right: 0;
  }

  .tutorial-step__marker {
    position: static;
    width: 38px;
    height: 38px;
    margin-bottom: 18px;
  }

  .tutorial-step__figure {
    justify-self: center;
  }

  .tutorial-hero__actions {
    margin-top: 24px;
  }
}