.tutorial-hero {
  padding-top: 22px;
  padding-bottom: 28px;
}

.tutorial-hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: clamp(30px, 5vw, 72px);
  padding: clamp(34px, 5vw, 66px);
  overflow: hidden;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-xl);
  background: var(--color-panel-deep);
  box-shadow: var(--shadow-card);
}

.tutorial-hero-copy h1 {
  margin-top: 20px;
  color: var(--color-text-on-dark);
}

.tutorial-lead {
  max-width: 630px;
  margin-top: 20px;
  color: var(--color-text-dark-muted);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.85;
}

.tutorial-hero-actions {
  margin-top: 25px;
}

.tutorial-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 15px;
  margin-top: 22px;
}

.tutorial-fact-row span {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-dark-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.tutorial-fact-row span::before {
  width: 6px;
  height: 6px;
  margin-right: 7px;
  flex: 0 0 6px;
  border-radius: var(--radius-pill);
  background: var(--color-success);
  content: '';
}

.tutorial-path {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  background: var(--color-panel-deeper);
  box-shadow: var(--shadow-console);
}

.path-command {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 11px;
  padding: 13px 15px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background: var(--color-dark-row);
  color: var(--color-code-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.path-command span {
  color: var(--color-warning);
  font-weight: 900;
}

.path-command-success {
  border-color: var(--color-accent-dark);
  background: var(--color-accent-tint);
  color: var(--color-text-on-dark);
}

.path-command-success span {
  display: grid;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--gradient-accent);
  color: var(--color-cta-ink);
}

.tutorial-document {
  padding-top: 18px;
}

.tutorial-document > .toc-tabs {
  margin-bottom: 42px;
}

.tutorial-content {
  width: 100%;
  max-width: var(--reading-max);
  margin-inline: auto;
}

.tutorial-opening-note {
  margin-bottom: 54px;
}

.guide-section {
  padding-top: 18px;
  padding-bottom: 58px;
  border-bottom: 1px solid var(--color-border);
}

.guide-section + .guide-section {
  padding-top: 58px;
}

.guide-section:last-child {
  border-bottom: 0;
}

.step-kicker,
.platform-label {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.guide-section > h2 {
  margin-top: 9px;
  margin-bottom: 24px;
}

.guide-section > p:not(.step-kicker),
.platform-walkthrough p:not(.platform-label) {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.9;
}

.guide-section > p + p,
.platform-walkthrough p + p {
  margin-top: 17px;
}

.guide-section a:not(.btn) {
  color: var(--color-accent-dark);
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.guide-section pre {
  margin-top: 20px;
  margin-bottom: 20px;
}

.guide-section > .callout {
  margin-top: 24px;
}

.guide-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 26px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.guide-action strong {
  display: block;
  font-size: 14px;
}

.guide-action p {
  margin-top: 3px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.guide-action .btn {
  flex: none;
}

.platform-walkthroughs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.platform-walkthrough {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-chip);
}

.platform-walkthrough:hover {
  border-color: var(--color-accent-dark);
  background: var(--gradient-panel-hover);
}

.platform-walkthrough h3 {
  margin-top: 8px;
  margin-bottom: 15px;
  font-size: 20px;
}

@media (max-width: 900px) {
  .tutorial-hero-card {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 14px;
    padding-bottom: 20px;
  }

  .tutorial-hero-card {
    gap: 28px;
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }

  .tutorial-fact-row {
    gap: 8px 12px;
  }

  .tutorial-document {
    padding-top: 10px;
  }

  .tutorial-document > .toc-tabs {
    margin-bottom: 34px;
  }

  .tutorial-opening-note {
    margin-bottom: 42px;
  }

  .guide-section {
    padding-top: 14px;
    padding-bottom: 46px;
  }

  .guide-section + .guide-section {
    padding-top: 46px;
  }

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

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

  .platform-walkthrough {
    padding: 20px;
  }
}