.tutorial-hero {
  position: relative;
  overflow-x: clip;
}

.tutorial-hero::before {
  position: absolute;
  top: 8%;
  left: 50%;
  width: min(76vw, 780px);
  height: min(46vw, 420px);
  pointer-events: none;
  background: radial-gradient(circle, var(--color-accent-glow), transparent 68%);
  content: "";
  transform: translateX(-50%);
}

.tutorial-hero .reading-wrap {
  position: relative;
  z-index: 1;
  text-align: center;
}

.tutorial-hero h1 {
  max-width: 760px;
  margin-inline: auto;
  font-size: clamp(34px, 4.2vw, 48px);
  line-height: 1.08;
}

.tutorial-hero__lead {
  max-width: 720px;
  margin-inline: auto;
  color: var(--color-text-muted);
  font-size: 16px;
}

.tutorial-hero__actions {
  justify-content: center;
  margin-top: 28px;
}

.tutorial-hero__chips {
  justify-content: center;
  margin-top: 22px;
}

.tutorial-route {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  padding: 1px;
  border-radius: var(--radius-md);
  background: var(--edge-spectrum);
  box-shadow: var(--shadow-card);
}

.tutorial-route a {
  min-width: 0;
  min-height: 76px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 3px;
  padding: 14px 16px;
  background: var(--color-panel);
  color: var(--color-text);
  font-weight: 800;
  text-align: left;
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.tutorial-route a:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.tutorial-route a:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.tutorial-route a:hover {
  background: var(--color-panel-raised);
}

.tutorial-route span {
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.tutorial-block {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.tutorial-block__heading {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.tutorial-block__heading h2 {
  margin-bottom: 0;
}

.step-marker {
  min-width: max-content;
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  margin-top: 5px;
  padding: 4px 10px;
  border: 1px solid var(--color-pink);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-pink);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  box-shadow: 0 0 18px var(--color-pink-glow);
}

.setup-checks {
  display: grid;
  gap: 10px;
  margin: 26px 0;
}

.setup-checks > div {
  min-width: 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text-muted);
}

.setup-checks .dot {
  margin-top: 9px;
}

.mode-map,
.verification-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.mode-map article,
.verification-grid article {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text);
}

.mode-map h3,
.verification-grid h3 {
  margin-top: 10px;
  font-size: 18px;
}

.mode-map p,
.verification-grid p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.mode-map__code {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.verification-grid .eyebrow {
  margin-bottom: 0;
}

.diagnostic-list {
  display: grid;
  gap: 12px;
  margin: 28px 0;
}

.diagnostic-list article {
  min-width: 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text);
}

.diagnostic-list article > span {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-accent-glass);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
}

.diagnostic-list h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.diagnostic-list p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.next-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: 44px;
  padding: 24px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.next-actions h2 {
  margin-bottom: 8px;
  font-size: 24px;
}

.next-actions p {
  margin-bottom: 0;
}

@media (max-width: 760px) {
  .tutorial-route {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tutorial-route a:first-child,
  .tutorial-route a:last-child {
    border-radius: 0;
  }

  .tutorial-route a:first-child {
    border-radius: var(--radius-sm) 0 0 0;
  }

  .tutorial-route a:nth-child(2) {
    border-radius: 0 var(--radius-sm) 0 0;
  }

  .tutorial-route a:nth-child(3) {
    border-radius: 0 0 0 var(--radius-sm);
  }

  .tutorial-route a:last-child {
    border-radius: 0 0 var(--radius-sm) 0;
  }

  .mode-map,
  .verification-grid,
  .next-actions {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 520px) {
  .tutorial-hero h1 {
    font-size: clamp(26px, 7.7vw, 30px);
  }

  .tutorial-block__heading {
    display: block;
  }

  .step-marker {
    margin-top: 0;
    margin-bottom: 12px;
  }

  .tutorial-route a {
    min-height: 68px;
    padding: 12px;
    font-size: 13px;
  }

  .diagnostic-list article {
    grid-template-columns: minmax(0, 1fr);
  }

  .diagnostic-list article > span {
    width: 36px;
    height: 36px;
  }

  .next-actions {
    padding: 20px;
  }
}