.tutorial-hero {
  padding-top: clamp(58px, 8vw, 104px);
  padding-bottom: clamp(50px, 7vw, 88px);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at top right, var(--color-accent-soft), transparent 42%),
    var(--color-bg);
}

.tutorial-hero .reading {
  margin-inline: auto;
}

.tutorial-intro {
  max-width: 680px;
  margin-bottom: 24px;
  color: var(--color-text-muted);
  font-size: 17px;
}

.tutorial-document {
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: var(--section-space);
}

.guide-step {
  padding-top: clamp(40px, 6vw, 70px);
  padding-bottom: clamp(40px, 6vw, 70px);
  border-bottom: 1px solid var(--color-border);
}

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

.guide-step-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 24px;
}

.guide-step-index {
  display: inline-flex;
  min-width: 74px;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.guide-step-heading .kicker {
  margin-bottom: 10px;
}

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

.guide-step p {
  color: var(--color-text-muted);
}

.guide-step p + p {
  margin-top: 18px;
}

.guide-step strong,
.platform-instruction h3 {
  color: var(--color-text);
}

.text-link {
  color: var(--color-accent-dark);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: var(--color-accent-border);
  text-underline-offset: 3px;
}

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

.step-action {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.platform-instruction {
  margin-top: 24px;
  padding: clamp(20px, 4vw, 30px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.platform-instruction h3 {
  font-size: clamp(19px, 2vw, 23px);
}

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

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

  .tutorial-intro {
    font-size: 15px;
  }

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

  .guide-step-index {
    width: fit-content;
  }

  .platform-instruction {
    padding: 19px;
  }

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