.tutorial-hero {
  position: relative;
  padding-top: clamp(44px, 7vw, 92px);
  padding-bottom: clamp(52px, 7vw, 88px);
  overflow-x: clip;
}

.tutorial-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: clamp(38px, 7vw, 88px);
  align-items: center;
}

.tutorial-hero-copy {
  max-width: 720px;
}

.tutorial-hero-copy .lead {
  max-width: 42em;
  margin-bottom: 30px;
}

.tutorial-hero-copy .btn-row {
  margin-bottom: 0;
}

.setup-map {
  min-width: 0;
  padding: 22px;
  border-radius: var(--radius-window);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
}

.setup-map-head {
  display: flex;
  margin-bottom: 18px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--color-text-muted);
  font-size: 0.76rem;
}

.setup-map-list {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 9px;
  list-style: none;
}

.setup-map-list li {
  position: relative;
  display: grid;
  min-width: 0;
  padding: 15px 16px;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  border-radius: var(--radius-control);
  background: var(--color-panel-muted);
}

.setup-map-list li:not(:last-child)::after {
  position: absolute;
  right: 27px;
  bottom: -9px;
  z-index: 1;
  width: 2px;
  height: 9px;
  background: var(--color-line);
  content: "";
}

.setup-map-index {
  display: inline-flex;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-small);
  background: var(--color-panel);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 750;
  box-shadow: var(--shadow-chip);
}

.setup-map-list strong,
.setup-map-list span {
  display: block;
}

.setup-map-list strong {
  margin-bottom: 2px;
  font-size: 0.92rem;
}

.setup-map-list div > span {
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.tutorial-platform-note {
  max-width: 920px;
  margin-top: 44px;
  margin-bottom: 28px;
}

.tutorial-toc {
  top: calc(var(--header-height) + 12px);
}

.tutorial-prose {
  font-size: 1.04rem;
  line-height: 1.85;
}

.tutorial-prose h3 {
  margin-top: 2.5rem;
}

.tutorial-prose a {
  font-weight: 700;
}

.readiness-grid {
  display: grid;
  margin: 30px 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.readiness-item {
  min-width: 0;
  padding: 20px;
  border-radius: var(--radius-control);
  background: var(--color-panel);
  box-shadow: var(--shadow-chip);
}

.readiness-item strong {
  display: block;
  margin-bottom: 8px;
}

.readiness-item p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.readiness-key {
  display: block;
  margin-bottom: 12px;
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 750;
}

.tutorial-step {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.tutorial-step:nth-of-type(even) {
  background: var(--color-panel-muted);
}

.step-heading {
  display: grid;
  margin-bottom: 38px;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.step-heading h2 {
  margin-bottom: 12px;
}

.step-heading .lead {
  margin-bottom: 0;
}

.step-number {
  display: inline-flex;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-control);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  box-shadow: var(--shadow-chip);
}

.step-number-success {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.step-number-warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.step-number-danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.mode-table-wrap {
  max-width: 100%;
  margin: 28px 0;
  overflow-x: auto;
  border-radius: var(--radius-control);
  background: var(--color-panel);
  box-shadow: var(--shadow-chip);
  -webkit-overflow-scrolling: touch;
}

.mode-table {
  min-width: 640px;
}

.verification-list {
  display: grid;
  margin: 30px 0;
  gap: 12px;
}

.verification-list > div {
  display: grid;
  min-width: 0;
  padding: 18px 20px;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 13px;
  align-items: center;
  border-radius: var(--radius-control);
  background: var(--color-panel);
  box-shadow: var(--shadow-chip);
}

.verification-list .status-dot {
  grid-row: 1 / span 2;
}

.verification-list strong {
  display: block;
}

.verification-list p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

#prepare,
#import-subscription,
#choose-mode,
#connect,
#verify,
#troubleshoot {
  scroll-margin-top: calc(var(--header-height) + 22px);
}

@media (max-width: 920px) {
  .tutorial-hero-grid {
    grid-template-columns: 1fr;
  }

  .setup-map {
    max-width: 680px;
  }

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

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 28px;
    padding-bottom: 48px;
  }

  .tutorial-hero-grid {
    gap: 32px;
  }

  .setup-map {
    padding: 16px;
  }

  .setup-map-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .setup-map-list li {
    padding: 13px;
  }

  .tutorial-platform-note {
    margin-top: 30px;
  }

  .step-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .step-number {
    width: 52px;
    height: 52px;
  }

  .tutorial-prose {
    font-size: 1rem;
    line-height: 1.8;
  }

  .readiness-item {
    padding: 18px;
  }

  .verification-list > div {
    padding: 16px;
  }
}