.tutorial-hero {
  position: relative;
  overflow: clip;
  padding-top: 72px;
  padding-bottom: 70px;
}

.tutorial-hero::before {
  position: absolute;
  top: -180px;
  right: -220px;
  width: 720px;
  height: 620px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-wash), transparent 70%);
  content: "";
  pointer-events: none;
}

.tutorial-hero::after {
  position: absolute;
  bottom: -260px;
  left: -260px;
  width: 660px;
  height: 540px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-blue-wash), transparent 72%);
  content: "";
  pointer-events: none;
}

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

.tutorial-hero-copy {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.tutorial-hero h1 {
  margin-top: 20px;
  margin-bottom: 0;
}

.tutorial-lead {
  margin: 20px auto 0;
  color: var(--color-ink-muted);
  font-size: 18px;
  line-height: 1.85;
}

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

.tutorial-route {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr) 44px minmax(0, 1fr) 44px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin-top: 52px;
  padding: 25px 28px;
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.tutorial-route-item {
  min-width: 0;
  text-align: center;
}

.tutorial-route-item span {
  display: block;
  margin-bottom: 5px;
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.tutorial-route-item strong {
  display: block;
  font-size: 15px;
}

.tutorial-route-item small {
  display: block;
  margin-top: 3px;
  color: var(--color-ink-muted);
  font-size: 12px;
}

.tutorial-route-line {
  height: 1px;
  background: var(--color-line);
}

.tutorial-content-section {
  padding-top: 20px;
}

.tutorial-flow {
  position: relative;
}

.tutorial-flow > * + * {
  margin-top: 28px;
}

.tutorial-toc-wrap {
  position: relative;
  z-index: 6;
}

.tutorial-prose {
  margin-top: 46px;
}

.tutorial-prose > section {
  scroll-margin-top: 96px;
}

.tutorial-intro-card {
  padding: 38px;
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.tutorial-intro-card h2 {
  margin-top: 16px;
}

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

.tutorial-ready-grid > div {
  min-width: 0;
  padding: 17px;
  border-radius: var(--radius-medium);
  background: var(--color-panel-muted);
}

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

.tutorial-ready-grid span {
  margin-top: 5px;
  color: var(--color-ink-muted);
  font-size: 13px;
}

.tutorial-step {
  margin-top: 78px;
  padding: 42px;
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.tutorial-step-head {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line-soft);
}

.tutorial-step-number {
  display: inline-flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-medium);
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
}

.tutorial-step-kicker {
  display: block;
  margin-bottom: 5px;
  color: var(--color-accent-deep);
  font-size: 13px;
  font-weight: 750;
}

.tutorial-step-head h2 {
  margin-bottom: 0;
}

.tutorial-step h3 {
  margin-top: 38px;
}

.tutorial-step .callout {
  margin-top: 30px;
}

.mode-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
  margin-top: 30px;
}

.mode-summary > div {
  min-width: 0;
  padding: 21px;
  border-radius: var(--radius-medium);
  background: var(--color-panel-muted);
}

.mode-summary-label {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
  font-size: 12px;
  font-weight: 750;
}

.mode-summary strong {
  display: block;
}

.mode-summary p {
  margin-top: 7px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.verification-grid {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.verification-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 18px;
  border-radius: var(--radius-medium);
  background: var(--color-panel-muted);
}

.verification-mark {
  display: inline-flex;
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
}

.verification-mark svg {
  width: 16px;
  height: 16px;
}

.verification-item p {
  margin: 4px 0 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.tutorial-finish {
  margin-top: 78px;
}

.tutorial-finish h2 {
  margin-top: 16px;
}

.tutorial-finish-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.tutorial-finish-actions .button-primary {
  color: var(--color-ink);
}

@media (max-width: 768px) {
  .tutorial-hero {
    padding-top: 48px;
    padding-bottom: 52px;
  }

  .tutorial-lead {
    font-size: 16px;
  }

  .tutorial-route {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    margin-top: 38px;
    padding: 20px 16px;
  }

  .tutorial-route-line {
    display: none;
  }

  .tutorial-route-item small {
    display: none;
  }

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

  .tutorial-step {
    margin-top: 58px;
    padding: 30px;
  }

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

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 36px;
    padding-bottom: 44px;
  }

  .tutorial-actions .button {
    width: 100%;
  }

  .tutorial-route {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tutorial-route-item {
    padding: 9px 4px;
  }

  .tutorial-content-section {
    padding-top: 12px;
  }

  .tutorial-intro-card,
  .tutorial-step {
    padding: 23px;
  }

  .tutorial-step-head {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 13px;
  }

  .tutorial-step-number {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-small);
    font-size: 15px;
  }

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

  .tutorial-finish-actions .button {
    width: 100%;
  }
}