.tutorial-hero {
  padding-top: 72px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg);
  background-image: radial-gradient(var(--color-dot) 1px, transparent 1px);
  background-size: 20px 20px;
}

.tutorial-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .82fr);
  align-items: center;
  gap: 72px;
}

.tutorial-intro {
  max-width: 680px;
}

.tutorial-intro h1 {
  margin-bottom: 20px;
}

.tutorial-lede {
  max-width: 650px;
  margin-bottom: 26px;
  color: var(--color-muted);
  font-size: 18px;
}

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

.tutorial-route {
  position: relative;
  padding: 24px;
  overflow: hidden;
}

.tutorial-route::after {
  position: absolute;
  right: -42px;
  bottom: -42px;
  width: 124px;
  height: 124px;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-round);
  content: "";
}

.tutorial-route-head,
.tutorial-route-foot,
.tutorial-route-notes {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

.tutorial-route-head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.tutorial-route-track {
  display: flex;
  min-height: 176px;
  align-items: center;
}

.tutorial-route-line {
  min-width: 14px;
  height: 1px;
  flex: 1 1 40px;
  border-top: 1px dashed var(--color-line);
}

.tutorial-route-point,
.tutorial-route-stop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--radius-round);
  font-family: var(--font-mono);
  font-weight: 750;
}

.tutorial-route-point {
  width: 42px;
  height: 42px;
  font-family: var(--font-display);
  font-size: 20px;
  font-style: italic;
}

.tutorial-route-point.is-origin {
  background: var(--color-text);
  color: var(--color-panel);
}

.tutorial-route-point.is-target {
  border: 2px solid var(--color-text);
  background: var(--color-panel);
  color: var(--color-text);
}

.tutorial-route-stop {
  min-width: 42px;
  min-height: 30px;
  padding: 5px 8px;
  border: 1px solid var(--color-border);
  background: var(--color-panel-alt);
  color: var(--color-text);
  font-size: 11px;
}

.tutorial-route-notes {
  margin-top: -46px;
  margin-bottom: 34px;
}

.tutorial-route-foot {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.tutorial-body {
  padding-top: 72px;
  padding-bottom: 104px;
}

.tutorial-body .toc-tabs {
  top: 12px;
}

.tutorial-step {
  position: relative;
  padding-top: 44px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--color-border);
}

.tutorial-step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.tutorial-step-heading {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 26px;
}

.tutorial-step-heading h2 {
  margin-top: 0;
  margin-bottom: 0;
}

.tutorial-step-label {
  margin-bottom: 7px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
}

.tutorial-step h3 {
  position: relative;
  margin-top: 42px;
  padding-left: 20px;
}

.tutorial-step h3::before {
  position: absolute;
  top: .42em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  content: "";
}

.tutorial-step code {
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel-alt);
  font-size: .88em;
}

.tutorial-action {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.tutorial-action span {
  color: var(--color-muted);
  font-size: 14px;
}

.tutorial-finish {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 34px;
  padding: 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
}

.tutorial-finish h2 {
  margin-top: 20px;
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 40px);
}

.tutorial-finish p {
  max-width: 560px;
  margin-bottom: 0;
  color: var(--color-panel-alt);
}

.tutorial-finish .btn {
  white-space: nowrap;
}

@media (max-width: 960px) {
  .tutorial-hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .tutorial-route {
    max-width: 720px;
  }
}

@media (max-width: 768px) {
  .tutorial-hero {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .tutorial-lede {
    font-size: 16px;
  }

  .tutorial-body {
    padding-top: 52px;
    padding-bottom: 72px;
  }

  .tutorial-step {
    padding-top: 36px;
    padding-bottom: 42px;
  }

  .tutorial-finish {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tutorial-route {
    padding: 18px 14px;
  }

  .tutorial-route-track {
    min-height: 150px;
  }

  .tutorial-route-stop {
    min-width: 32px;
    padding-inline: 5px;
    font-size: 10px;
  }

  .tutorial-route-point {
    width: 36px;
    height: 36px;
  }

  .tutorial-route-notes {
    margin-top: -38px;
    margin-bottom: 28px;
  }

  .tutorial-action {
    align-items: stretch;
    flex-direction: column;
  }

  .tutorial-action .btn {
    width: 100%;
  }

  .tutorial-finish {
    padding: 24px 20px;
  }

  .tutorial-finish .btn {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .tutorial-route-stop {
    writing-mode: vertical-rl;
    min-width: 27px;
    min-height: 46px;
    padding: 5px 3px;
  }

  .tutorial-route-line {
    min-width: 5px;
  }

  .tutorial-route-head,
  .tutorial-route-foot,
  .tutorial-route-notes {
    font-size: 10px;
  }
}