.tutorial-hero {
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.tutorial-hero-inner {
  padding-top: 72px;
  padding-bottom: 76px;
  text-align: center;
}

.tutorial-hero h1 {
  max-width: var(--reading-width);
  margin: 24px auto 18px;
}

.tutorial-hero .lead {
  margin-right: auto;
  margin-left: auto;
}

.tutorial-hero-actions {
  justify-content: center;
  margin-top: 28px;
}

.tutorial-fact-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.tutorial-fact-row li {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 6px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 650;
}

.tutorial-prose {
  max-width: calc(var(--reading-width) + (var(--gutter) * 2));
  padding-top: 72px;
  padding-bottom: 96px;
  counter-reset: tutorial-step;
}

.tutorial-prose > .toc-tabs {
  margin-bottom: 32px;
}

.tutorial-prose > .callout {
  margin-bottom: 52px;
}

.tutorial-step {
  position: relative;
  padding-top: 58px;
  padding-bottom: 58px;
  border-top: 1px solid var(--color-border);
  counter-increment: tutorial-step;
}

.tutorial-step-heading {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 18px;
  align-items: baseline;
  margin-bottom: 22px;
}

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

.tutorial-step-code {
  margin: 0;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.tutorial-step-code::after {
  display: block;
  width: 36px;
  height: 4px;
  margin-top: 10px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: '';
}

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

.tutorial-inline-action span {
  color: var(--color-muted);
  font-size: 13px;
}

.platform-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.platform-guide {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
}

.platform-guide h3 {
  margin-bottom: 14px;
  font-size: 22px;
}

.platform-guide p:last-child {
  margin-bottom: 0;
}

.platform-guide-label {
  margin-bottom: 8px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.tutorial-checklist {
  margin-top: 32px;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
}

.tutorial-checklist h3 {
  margin-bottom: 18px;
  font-size: 21px;
}

.tutorial-checklist ul {
  display: grid;
  gap: 10px;
  margin-bottom: 0;
  padding-left: 1.2em;
}

.tutorial-checklist li::marker {
  color: var(--color-accent);
}

.tutorial-next {
  margin-top: 26px;
  padding: clamp(26px, 5vw, 46px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-window);
  background: var(--color-panel-strong);
  box-shadow: var(--shadow-card);
}

.tutorial-next h2 {
  margin-top: 0;
}

.tutorial-next p:not(.eyebrow) {
  max-width: 680px;
}

.tutorial-next .button-row {
  margin-top: 26px;
}

@media (max-width: 768px) {
  .tutorial-hero-inner {
    padding-top: 58px;
    padding-bottom: 62px;
  }

  .tutorial-prose {
    padding-top: 54px;
    padding-bottom: 72px;
  }

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

  .tutorial-step-heading {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .tutorial-step-code::after {
    margin-top: 7px;
  }

  .platform-guide-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tutorial-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .tutorial-hero-actions .btn {
    width: 100%;
  }

  .tutorial-fact-row {
    justify-content: flex-start;
  }

  .tutorial-fact-row li {
    flex: 1 1 calc(50% - 5px);
    justify-content: center;
    text-align: center;
  }

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

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

  .platform-guide,
  .tutorial-checklist {
    padding: 20px;
  }
}

@media (max-width: 380px) {
  .tutorial-fact-row li {
    flex-basis: 100%;
  }
}