.tutorial-hero {
  padding-top: clamp(58px, 8vw, 94px);
  padding-bottom: clamp(48px, 7vw, 80px);
  text-align: center;
}

.tutorial-hero .reading-wrap {
  max-width: calc(920px + (var(--gutter) * 2));
}

.tutorial-hero h1 {
  color: var(--color-brand);
}

.tutorial-hero .lead {
  max-width: 760px;
  margin-inline: auto;
}

.tutorial-actions,
.completion-links {
  display: flex;
  margin-top: 28px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.tutorial-facts {
  display: flex;
  margin-top: 24px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.tutorial-toc {
  top: 12px;
}

.platform-callout {
  margin-bottom: 52px;
}

.tutorial-intro {
  scroll-margin-top: 84px;
}

.tutorial-intro a,
.quick-check a {
  color: var(--color-brand);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: var(--color-line-strong);
  text-underline-offset: 3px;
}

.setup-checkline {
  display: grid;
  margin-top: 30px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.setup-checkline span {
  display: flex;
  min-height: 74px;
  padding: 16px;
  align-items: center;
  gap: 10px;
  color: var(--color-ink);
  font-weight: 750;
}

.setup-checkline span + span {
  border-left: 1px solid var(--color-line);
}

.setup-checkline strong {
  display: grid;
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  place-items: center;
  border-radius: var(--radius-round);
  background: var(--color-brand);
  color: var(--color-on-brand);
  font-family: var(--font-code);
  font-size: 12px;
}

.tutorial-step-section {
  padding-top: clamp(54px, 7vw, 86px);
  padding-bottom: clamp(54px, 7vw, 86px);
  scroll-margin-top: 18px;
}

.tutorial-step-section:nth-of-type(even) {
  background: var(--color-surface-soft);
}

.tutorial-step {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  align-items: start;
  gap: clamp(20px, 4vw, 42px);
}

.step-marker {
  position: sticky;
  top: 24px;
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  border: 1.5px solid var(--color-current);
  border-radius: var(--radius-round);
  background: var(--color-surface);
  color: var(--color-current);
  font-family: var(--font-code);
  font-size: 15px;
  font-weight: 800;
}

.step-content {
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-hero);
  background: var(--color-surface);
}

.step-content h2 {
  color: var(--color-brand-deep);
}

.step-content .callout {
  margin-top: 34px;
  margin-bottom: 0;
}

.step-next {
  display: flex;
  margin-top: 32px;
  padding-top: 22px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--color-line);
}

.step-next span {
  color: var(--color-ink-soft);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .08em;
}

.step-next a {
  font-weight: 850;
  text-decoration: none;
}

.completion-panel {
  padding: clamp(28px, 6vw, 52px);
  border-radius: var(--radius-hero);
  background: var(--color-brand);
  color: var(--color-on-brand);
}

.completion-panel h2,
.completion-panel p {
  color: var(--color-on-brand);
}

.completion-panel .eyebrow {
  color: var(--color-current);
}

.completion-panel .btn-primary {
  border-color: var(--color-on-brand);
  background: var(--color-on-brand);
  color: var(--color-brand);
}

.completion-panel .btn-primary:hover {
  border-color: var(--color-surface-soft);
  background: var(--color-surface-soft);
}

.completion-panel .btn-secondary {
  border-color: var(--color-on-brand);
  background: transparent;
  color: var(--color-on-brand);
}

.completion-panel .btn-secondary:hover {
  background: var(--color-brand-deep);
}

.quick-check {
  margin-top: clamp(50px, 7vw, 76px);
}

.check-order {
  display: grid;
  margin-top: 28px;
  margin-bottom: 26px;
  padding-left: 0;
  gap: 12px;
  list-style: none;
  counter-reset: tutorial-check;
}

.check-order li {
  position: relative;
  display: grid;
  min-height: 78px;
  padding: 17px 18px 17px 68px;
  align-content: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  counter-increment: tutorial-check;
}

.check-order li::before {
  position: absolute;
  top: 50%;
  left: 18px;
  display: grid;
  width: 34px;
  height: 34px;
  transform: translateY(-50%);
  place-items: center;
  border-radius: var(--radius-round);
  background: var(--color-surface-soft);
  color: var(--color-brand);
  content: counter(tutorial-check);
  font-family: var(--font-code);
  font-size: 12px;
  font-weight: 800;
}

.check-order strong {
  color: var(--color-ink);
}

.check-order span {
  color: var(--color-ink-soft);
  font-size: 14px;
}

@media (max-width: 720px) {
  .setup-checkline {
    grid-template-columns: 1fr;
  }

  .setup-checkline span + span {
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

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

  .step-marker {
    position: static;
    width: 54px;
    height: 54px;
  }
}

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 42px;
    padding-bottom: 46px;
  }

  .tutorial-actions .btn,
  .completion-links .btn {
    flex: 1 1 150px;
  }

  .tutorial-facts {
    justify-content: flex-start;
  }

  .platform-callout {
    margin-bottom: 40px;
  }

  .step-content {
    padding: 24px 18px;
  }

  .step-next {
    align-items: flex-start;
    flex-direction: column;
  }

  .completion-panel {
    padding: 28px 20px;
  }
}