.tutorial-hero {
  position: relative;
  overflow-x: clip;
  padding-top: clamp(58px, 9vw, 112px);
  padding-bottom: clamp(54px, 8vw, 96px);
  text-align: center;
}

.tutorial-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 760px;
  height: 520px;
  top: -260px;
  left: calc(50% - 570px);
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, rgba(var(--rgb-accent), .24), rgba(var(--rgb-accent), .07) 48%, transparent 72%);
  pointer-events: none;
}

.tutorial-hero-inner {
  max-width: 900px;
}

.tutorial-hero h1 {
  margin-top: 15px;
}

.tutorial-hero-lede {
  max-width: 720px;
  margin: 22px auto 0;
  color: var(--color-text-muted);
  font-size: clamp(16px, 2vw, 19px);
}

.tutorial-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 13px;
  margin-top: 28px;
}

.tutorial-facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 28px;
  list-style: none;
}

.tutorial-facts li {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 4px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.tutorial-reading {
  max-width: 860px;
  padding-bottom: var(--section-space);
}

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

.tutorial-callout {
  margin-bottom: 12px;
}

.step-section {
  position: relative;
  padding-top: clamp(64px, 9vw, 96px);
  padding-bottom: 18px;
  border-top: 1px solid var(--color-border);
}

.tutorial-callout + .step-section {
  border-top: 0;
}

.step-label,
.platform-label {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .13em;
}

.step-section h2 {
  margin-top: 10px;
  margin-bottom: 25px;
}

.step-section > p:not(.step-label),
.platform-step p,
.next-guide p {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.82;
}

.step-section > p + p,
.platform-step p + p {
  margin-top: 18px;
}

.step-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  margin-top: 28px;
}

.inline-action,
.text-link {
  color: var(--color-accent);
  text-decoration-line: underline;
  text-decoration-color: var(--color-accent-dark);
  text-underline-offset: 4px;
}

.inline-action {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}

.tutorial-reading pre {
  margin-top: 22px;
  margin-bottom: 22px;
}

.platform-step {
  margin-top: 34px;
  padding: 25px 26px 27px;
  border-left: 3px solid var(--color-accent-dark);
  border-radius: 0 var(--radius-large) var(--radius-large) 0;
  background: var(--color-panel);
}

.platform-step h3 {
  margin-top: 7px;
  margin-bottom: 15px;
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 550;
}

.platform-note {
  margin-top: 34px;
}

.verification-list {
  display: grid;
  gap: 10px;
  margin-top: 30px;
}

.verification-list div {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(130px, .45fr) minmax(0, 1fr);
  gap: 18px;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.verification-list strong {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.verification-list span {
  color: var(--color-text-muted);
}

.next-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 42px;
  padding: clamp(24px, 5vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-near);
}

.next-guide h3 {
  margin-top: 7px;
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 550;
}

.next-guide p:not(.section-kicker) {
  margin-top: 10px;
  font-size: 14px;
}

.next-guide .btn {
  flex: 0 0 auto;
}

@media (max-width: 768px) {
  .tutorial-hero::before {
    width: 620px;
    height: 460px;
    top: -250px;
    left: calc(50% - 480px);
  }

  .tutorial-hero-actions {
    align-items: center;
    flex-direction: column;
  }

  .tutorial-hero-actions .btn {
    width: min(100%, 270px);
  }

  .platform-step {
    padding: 22px 20px 24px;
  }

  .next-guide {
    grid-template-columns: minmax(0, 1fr);
  }

  .next-guide .btn {
    justify-self: start;
  }
}

@media (max-width: 560px) {
  .tutorial-facts {
    align-items: stretch;
    flex-direction: column;
  }

  .tutorial-facts li {
    justify-content: center;
  }

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

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

  .inline-action {
    justify-content: center;
    text-align: center;
  }

  .verification-list div {
    grid-template-columns: minmax(0, 1fr);
    gap: 5px;
  }

  .platform-step {
    margin-top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tutorial-hero::before {
    transform: none;
  }
}