.tutorial-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-canvas);
}

.tutorial-hero::before,
.tutorial-hero::after {
  position: absolute;
  width: clamp(180px, 28vw, 380px);
  aspect-ratio: 1;
  border-radius: var(--radius-brick);
  box-shadow: inset 0 0 0 1px var(--color-white-highlight);
  content: "";
  pointer-events: none;
}

.tutorial-hero::before {
  top: 12%;
  left: max(-180px, -12vw);
  background: var(--color-brick-sky);
  box-shadow: inset 0 0 0 1px var(--color-white-highlight), 0 0 40px var(--color-glow-sky);
  transform: rotate(-8deg);
}

.tutorial-hero::after {
  right: max(-180px, -12vw);
  bottom: 8%;
  background: var(--color-brick-honey);
  box-shadow: inset 0 0 0 1px var(--color-white-highlight), 0 0 40px var(--color-glow-honey);
  transform: rotate(7deg);
}

.tutorial-hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}

.tutorial-lead {
  max-width: 680px;
  margin: 20px auto 0;
  color: var(--color-muted);
  font-size: clamp(17px, 2vw, 21px);
}

.tutorial-summary {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 26px;
}

.tutorial-actions {
  justify-content: center;
  margin-top: 30px;
}

.tutorial-flow {
  padding-bottom: var(--section-space);
}

.tutorial-platform-note {
  margin-top: 0;
  margin-bottom: 32px;
}

.platform-inline-links a {
  color: var(--color-accent-dark);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.guide-chapter {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 64px);
  border-bottom: 1px solid var(--color-line);
}

.guide-chapter:last-child {
  border-bottom: 0;
}

.guide-marker {
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  align-self: start;
  border-radius: var(--radius-panel);
  background: var(--color-accent);
  color: var(--color-canvas);
  box-shadow: var(--shadow-button);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -.02em;
}

.guide-copy {
  width: 100%;
  max-width: var(--reading-width);
}

.guide-copy > h2 {
  margin-top: 0;
  margin-bottom: 26px;
}

.guide-copy > p {
  margin-bottom: 20px;
}

.guide-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.guide-checklist div {
  display: grid;
  gap: 3px;
  padding: 18px;
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.guide-checklist strong {
  color: var(--color-ink);
  font-family: var(--font-display);
}

.guide-checklist span {
  color: var(--color-muted);
  font-size: 14px;
}

.mode-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 32px 0;
}

.mode-strip article {
  min-width: 0;
  padding: 20px;
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.mode-strip span {
  color: var(--color-accent-dark);
  font-size: 12px;
  font-weight: 800;
}

.mode-strip h3 {
  margin-top: 7px;
  font-size: 19px;
}

.mode-strip p {
  margin: 9px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.verification-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 32px 0;
}

.verification-board > div {
  position: relative;
  min-height: 170px;
  padding: 24px;
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--color-panel);
}

.verification-board > div:nth-child(2) {
  background: var(--color-panel-strong);
}

.verification-board > div:nth-child(3) {
  background: var(--color-accent-soft);
}

.verification-index {
  display: inline-grid;
  width: 34px;
  height: 34px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: var(--radius-small);
  background: var(--color-canvas);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-weight: 800;
}

.verification-board h3 {
  font-size: 20px;
}

.verification-board p {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.next-paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.next-paths .card {
  display: flex;
  min-height: 280px;
  flex-direction: column;
}

.next-paths .card p {
  color: var(--color-muted);
}

.next-paths .button {
  align-self: flex-start;
  margin-top: auto;
}

@media (max-width: 768px) {
  .tutorial-hero::before,
  .tutorial-hero::after {
    width: 210px;
  }

  .tutorial-hero::before {
    left: -150px;
  }

  .tutorial-hero::after {
    right: -150px;
  }

  .guide-chapter {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .guide-marker {
    width: 62px;
    height: 62px;
    border-radius: var(--radius-medium);
    font-size: 16px;
  }

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

@media (max-width: 640px) {
  .guide-checklist,
  .verification-board,
  .next-paths {
    grid-template-columns: minmax(0, 1fr);
  }

  .tutorial-summary {
    align-items: center;
  }

  .next-paths .button {
    width: 100%;
  }
}