.tutorial-hero {
  position: relative;
  padding-top: clamp(46px, 7vw, 92px);
  padding-bottom: clamp(72px, 9vw, 118px);
  overflow-x: clip;
}

.tutorial-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 20%, var(--color-wash-mint), transparent 34%),
    radial-gradient(circle at 72% 8%, var(--color-wash-blue), transparent 32%);
}

.tutorial-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: clamp(42px, 7vw, 88px);
}

.tutorial-hero__copy {
  max-width: 590px;
}

.tutorial-hero__copy .lead {
  margin-bottom: 28px;
}

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

.tutorial-map {
  position: relative;
  padding: clamp(22px, 4vw, 34px);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-section);
  box-shadow: var(--shadow-near), var(--shadow-far);
  transform: rotate(-1deg);
}

.tutorial-map::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: 28px;
  bottom: -18px;
  left: 28px;
  height: 44px;
  background: var(--color-brand-soft);
  border-radius: var(--radius-section);
}

.tutorial-map__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--color-line);
}

.tutorial-map__label {
  color: var(--color-ink-muted);
  font: 700 13px var(--font-mono);
}

.tutorial-map__steps {
  position: relative;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tutorial-map__steps::before {
  content: "";
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: 25px;
  border-left: 1px dashed var(--color-brand);
}

.tutorial-map__steps li {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: center;
  gap: 15px;
  padding: 13px 16px 13px 10px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-row);
}

.tutorial-map__number {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  color: var(--color-brand-deep);
  background: var(--color-brand-soft);
  border-radius: var(--radius-button);
  font: 800 12px var(--font-mono);
}

.tutorial-map__steps strong,
.tutorial-map__steps span {
  display: block;
}

.tutorial-map__steps strong {
  margin-bottom: 2px;
}

.tutorial-map__steps div > span {
  color: var(--color-ink-muted);
  font-size: 13px;
}

.prep-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.prep-card {
  position: relative;
  min-height: 100%;
}

.prep-card__index {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-brand-deep);
  background: var(--color-brand-soft);
  border-radius: var(--radius-sm);
  font: 800 13px var(--font-mono);
}

.prep-card h3 {
  font-size: 20px;
}

.prep-card p {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.tutorial-document {
  background: var(--color-page);
}

.document-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 780px);
  align-items: start;
  justify-content: space-between;
  gap: clamp(38px, 7vw, 90px);
}

.document-layout .toc {
  top: calc(var(--header-height) + 18px);
}

.document-layout .toc-links {
  display: grid;
}

.document-layout .toc a {
  width: 100%;
}

.tutorial-prose {
  max-width: 780px;
}

.tutorial-step {
  scroll-margin-top: calc(var(--header-height) + 26px);
  margin-bottom: clamp(62px, 9vw, 104px);
  padding: clamp(24px, 4vw, 38px);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-section);
  box-shadow: var(--shadow-card);
}

.tutorial-step:last-child {
  margin-bottom: 0;
}

.tutorial-prose .tutorial-step h2 {
  margin-top: 10px;
  margin-bottom: 0;
}

.tutorial-prose .tutorial-step h3 {
  margin-top: 1.8em;
}

.step-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 18px;
  margin-bottom: 28px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--color-line);
}

.step-heading__number {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  color: var(--color-panel);
  background: var(--color-brand-deep);
  border-radius: var(--radius-button);
  box-shadow: var(--shadow-button);
  font: 800 14px var(--font-mono);
}

.tutorial-step p {
  color: var(--color-ink-muted);
}

.tutorial-step p strong {
  color: var(--color-ink);
}

.tutorial-step--compact {
  background: var(--color-panel-soft);
}

.quick-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.quick-check {
  padding: 20px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
}

.quick-check h3 {
  margin-top: 0;
  font-size: 18px;
}

.quick-check p {
  margin-bottom: 0;
  font-size: 14.5px;
}

.finish-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(30px, 6vw, 70px);
  padding: clamp(26px, 5vw, 48px);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-section);
  box-shadow: var(--shadow-near), var(--shadow-far);
}

.finish-panel h2 {
  max-width: 700px;
}

.finish-panel p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.finish-panel__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 190px;
}

@media (max-width: 980px) {
  .tutorial-hero__inner {
    grid-template-columns: 1fr;
  }

  .tutorial-hero__copy {
    max-width: 720px;
  }

  .tutorial-map {
    max-width: 720px;
    transform: none;
  }

  .prep-grid {
    grid-template-columns: 1fr;
  }

  .document-layout {
    grid-template-columns: 1fr;
  }

  .document-layout .toc {
    position: static;
  }

  .document-layout .toc-links {
    display: flex;
  }

  .tutorial-prose {
    max-width: none;
  }

  .finish-panel {
    grid-template-columns: 1fr;
  }

  .finish-panel__actions {
    flex-direction: row;
    flex-wrap: wrap;
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 34px;
    padding-bottom: 76px;
  }

  .tutorial-hero__inner {
    gap: 40px;
  }

  .tutorial-map {
    padding: 18px;
  }

  .tutorial-map__head {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .tutorial-map__steps li {
    grid-template-columns: 46px minmax(0, 1fr);
    padding-right: 10px;
  }

  .tutorial-map__steps::before {
    left: 21px;
  }

  .tutorial-map__number {
    width: 36px;
    height: 36px;
  }

  .tutorial-map::after {
    right: 16px;
    left: 16px;
  }

  .tutorial-step {
    padding: 20px 17px;
    border-radius: var(--radius-card);
  }

  .step-heading {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .step-heading__number {
    width: 44px;
    height: 44px;
  }

  .quick-checks {
    grid-template-columns: 1fr;
  }

  .finish-panel__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .finish-panel__actions .button {
    width: 100%;
  }
}