.tutorial-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-page);
}

.tutorial-hero::after {
  position: absolute;
  inset: 0 0 0 auto;
  width: 38%;
  background-color: var(--color-ink);
  background-image: radial-gradient(var(--texture-dot) 1px, var(--color-transparent) 1.5px);
  background-size: 16px 16px;
  content: "";
}

.tutorial-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
  min-height: 610px;
}

.tutorial-hero-copy {
  padding-top: 48px;
  padding-bottom: 48px;
}

.tutorial-lead {
  max-width: 42em;
  margin-bottom: 28px;
  color: var(--color-text-muted);
  font-size: 18px;
  line-height: 1.8;
}

.tutorial-actions,
.step-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tutorial-actions {
  margin-bottom: 24px;
}

.tutorial-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tutorial-map {
  overflow: hidden;
  border: 1px solid var(--line-on-ink);
  border-radius: var(--radius-lg);
  background: var(--color-ink-panel);
  box-shadow: var(--shadow-window);
  color: var(--color-on-ink);
}

.tutorial-map-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line-on-ink);
  background: var(--fill-ink-faint);
  padding: 18px 20px;
}

.tutorial-map-head span {
  color: var(--color-accent);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.tutorial-map-head strong {
  color: var(--color-on-ink);
  font-size: 14px;
}

.tutorial-map-list {
  margin: 0;
  padding: 8px 0;
  list-style: none;
  counter-reset: setup-map;
}

.tutorial-map-list li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 18px;
  border-bottom: 1px solid var(--line-on-ink);
  padding: 15px 20px 15px 54px;
  counter-increment: setup-map;
}

.tutorial-map-list li:last-child {
  border-bottom: 0;
}

.tutorial-map-list li::before {
  position: absolute;
  top: 16px;
  left: 20px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-accent-soft);
  border-radius: var(--radius-xs);
  color: var(--color-accent);
  content: counter(setup-map);
  font-family: var(--font-mono);
  font-size: 10px;
}

.tutorial-map-list span {
  color: var(--color-on-ink);
  font-weight: 700;
}

.tutorial-map-list small {
  align-self: center;
  color: var(--color-on-ink-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.tutorial-article {
  padding-top: 38px;
  padding-bottom: var(--section-space);
}

.tutorial-callout {
  max-width: 920px;
  margin: 42px auto 0;
}

.tutorial-step {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 72px);
  max-width: 980px;
  margin-inline: auto;
  border-bottom: 1px solid var(--color-border);
  padding-top: clamp(72px, 9vw, 118px);
  padding-bottom: clamp(72px, 9vw, 118px);
}

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

.step-marker {
  position: sticky;
  top: var(--toc-offset);
  width: 64px;
  height: 34px;
  display: grid;
  place-items: center;
  align-self: start;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-surface);
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.step-content {
  min-width: 0;
}

.step-content .section-head {
  margin-bottom: 28px;
}

.step-content p {
  margin-bottom: 20px;
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.9;
}

.step-content p:last-of-type {
  margin-bottom: 30px;
}

.step-content code {
  font-size: 13px;
}

.inline-link {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  color: var(--color-accent-strong);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--line-accent-soft);
  text-underline-offset: 3px;
}

.inline-link:hover {
  color: var(--color-accent);
}

.tutorial-platform-step .step-marker {
  border-color: var(--line-accent-soft);
  background: var(--color-surface-soft);
}

.tutorial-final {
  max-width: 1040px;
  margin-top: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: clamp(30px, 5vw, 58px);
}

.tutorial-final .step-marker {
  background: var(--color-ink-panel);
  color: var(--color-accent);
}

@media (max-width: 1080px) {
  .tutorial-hero::after {
    display: none;
  }

  .tutorial-hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 34px;
    padding-bottom: 64px;
  }

  .tutorial-hero-copy {
    padding-bottom: 0;
  }

  .tutorial-map {
    max-width: 680px;
    background: var(--color-ink-panel);
  }
}

@media (max-width: 768px) {
  .tutorial-hero-grid {
    gap: 32px;
    padding-top: 20px;
    padding-bottom: 48px;
  }

  .tutorial-hero-copy {
    padding-top: 28px;
  }

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

  .tutorial-actions,
  .step-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .tutorial-actions .button,
  .step-actions .button,
  .step-content > .button {
    width: 100%;
  }

  .tutorial-map-list li {
    grid-template-columns: 1fr;
  }

  .tutorial-map-list small {
    align-self: auto;
  }

  .tutorial-article {
    padding-top: 24px;
  }

  .tutorial-callout {
    margin-top: 30px;
  }

  .tutorial-step {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .step-marker {
    position: static;
  }

  .tutorial-final {
    margin-top: 40px;
    padding-top: 30px;
    padding-bottom: 30px;
  }
}

@media (max-width: 390px) {
  .tutorial-map-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .tutorial-map-list li {
    padding-right: 16px;
  }

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

  .tutorial-facts .fact-chip {
    width: 100%;
  }
}