.tutorial-hero {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-page);
}

.tutorial-hero .button-row {
  margin-top: 28px;
}

.tutorial-platform-note {
  margin-top: 34px;
  margin-bottom: 0;
}

.tutorial-platform-note a,
.tutorial-content a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.tutorial-route-heading {
  margin-bottom: 24px;
}

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

.tutorial-route-heading p:last-child {
  color: var(--color-muted);
}

.tutorial-route {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-border);
  padding: 0;
  list-style: none;
}

.tutorial-route li {
  min-width: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--color-page);
  padding: 20px;
}

.tutorial-route li > span {
  margin-bottom: 18px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.tutorial-route strong {
  margin-bottom: 6px;
  color: var(--color-text);
  font-size: 16px;
}

.tutorial-route small {
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.65;
}

.tutorial-content {
  padding-top: clamp(40px, 7vw, 78px);
  padding-bottom: var(--section-space);
}

.tutorial-section {
  padding-top: clamp(44px, 7vw, 76px);
  padding-bottom: clamp(44px, 7vw, 76px);
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.tutorial-section + .tutorial-section {
  border-top: 1px solid var(--color-border);
}

.tutorial-section p,
.tutorial-section li {
  color: var(--color-muted);
}

.tutorial-section > p {
  font-size: 16px;
  line-height: 1.9;
}

.tutorial-step-heading {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 28px;
}

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

.tutorial-step-mark {
  min-width: 48px;
  min-height: 48px;
  flex: 0 0 auto;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: var(--color-page);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 850;
  box-shadow: var(--shadow-soft);
}

.tutorial-step-kicker {
  margin: 0 0 5px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.07em;
}

.tutorial-completion {
  margin-top: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  padding: 20px;
}

.tutorial-completion strong {
  color: var(--color-text);
}

.tutorial-completion ul {
  margin-top: 12px;
}

.tutorial-verification-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
  margin-bottom: 30px;
}

.tutorial-verification-grid .panel {
  padding: 20px;
}

.tutorial-verification-grid h3 {
  font-size: 18px;
}

.tutorial-verification-grid p {
  color: var(--color-muted);
  font-size: 14px;
}

.tutorial-finish .section-heading {
  margin-bottom: 30px;
}

.tutorial-text-link {
  display: inline-flex;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 800;
}

@media (max-width: 768px) {
  .tutorial-route {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tutorial-verification-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tutorial-hero .button-row {
    margin-top: 22px;
  }

  .tutorial-platform-note {
    margin-top: 26px;
  }

  .tutorial-route {
    grid-template-columns: 1fr;
  }

  .tutorial-route li {
    padding: 17px;
  }

  .tutorial-route li > span {
    margin-bottom: 8px;
  }

  .tutorial-content {
    padding-top: 24px;
  }

  .tutorial-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .tutorial-section > p {
    font-size: 15px;
    line-height: 1.85;
  }

  .tutorial-step-heading {
    gap: 12px;
  }

  .tutorial-step-mark {
    min-width: 42px;
    min-height: 42px;
  }
}