.tutorial-hero {
  position: relative;
  padding-top: clamp(58px, 8vw, 108px);
  padding-bottom: clamp(64px, 9vw, 118px);
  overflow: hidden;
  border-bottom: var(--border-heavy) solid var(--color-accent-dark);
}

.tutorial-hero::before {
  position: absolute;
  top: 8%;
  right: -7%;
  width: 42%;
  aspect-ratio: 1;
  border: var(--border-thin) dashed var(--color-border);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.tutorial-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 16px;
  border-top: var(--border-medium) solid var(--color-border);
  background: repeating-linear-gradient(
    90deg,
    var(--color-panel) 0 28px,
    var(--color-panel-soft) 28px 56px
  );
  content: "";
}

.tutorial-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.65fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
}

.tutorial-hero-copy {
  max-width: 760px;
}

.tutorial-intro {
  max-width: 680px;
  margin: 28px 0 0;
  color: var(--color-text-muted);
  font-size: 1.08rem;
  line-height: 1.9;
}

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

.tutorial-facts {
  margin-top: 34px;
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  border-top: var(--border-thin) dashed var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.tutorial-facts strong {
  color: var(--color-error);
}

.route-sheet {
  position: relative;
  padding: 24px;
  border: var(--border-heavy) solid var(--color-accent-dark);
  border-radius: var(--radius-xs) var(--radius-lg) var(--radius-sm) var(--radius-lg);
  background: var(--color-panel);
}

.route-sheet::before {
  position: absolute;
  inset: 9px;
  border: var(--border-thin) dashed var(--color-border);
  border-radius: var(--radius-xs) calc(var(--radius-lg) - 10px) var(--radius-xs) calc(var(--radius-lg) - 10px);
  content: "";
  pointer-events: none;
}

.route-sheet-head {
  position: relative;
  z-index: 1;
  padding-bottom: 16px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: var(--border-medium) solid var(--color-accent-dark);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.route-stops {
  position: relative;
  z-index: 1;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  list-style: none;
}

.route-stops::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 19px;
  width: 3px;
  background: var(--color-rail);
  content: "";
}

.route-stops li {
  position: relative;
  min-height: 68px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.route-index {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: var(--border-medium) solid var(--color-accent-dark);
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
}

.route-label {
  padding: 10px 14px;
  border-bottom: var(--border-thin) dashed var(--color-border);
  color: var(--color-accent-dark);
  background: var(--color-panel-soft);
  font-weight: 800;
}

.route-terminal {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  padding-top: 16px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  border-top: var(--border-medium) solid var(--color-accent-dark);
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.route-flag {
  width: 20px;
  height: 14px;
  display: block;
  border: var(--border-thin) solid var(--color-accent-dark);
  background: var(--color-error);
  clip-path: polygon(0 0, 100% 15%, 78% 100%, 0 82%);
}

.tutorial-prose {
  font-size: 1.01rem;
}

.tutorial-prose a {
  color: var(--color-error);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.tutorial-block {
  scroll-margin-top: calc(var(--header-height) + 28px);
}

.tutorial-block + .tutorial-block {
  margin-top: 76px;
  padding-top: 70px;
  border-top: var(--border-medium) dashed var(--color-border);
}

.step-heading {
  margin-bottom: 30px;
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

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

.step-heading .section-kicker {
  margin-bottom: 10px;
}

.step-marker {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border: var(--border-heavy) solid var(--color-accent-dark);
  border-radius: var(--radius-xs) var(--radius-md) var(--radius-xs) var(--radius-md);
  color: var(--color-white);
  background: var(--color-error);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 900;
}

.check-panel,
.finish-panel {
  margin-top: 30px;
  padding: clamp(22px, 4vw, 34px);
  border: var(--border-heavy) solid var(--color-accent-dark);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.check-list {
  margin-bottom: 0;
  display: grid;
  gap: 10px;
}

.check-list li::marker {
  color: var(--color-success);
}

.step-handoff {
  margin-top: 32px;
  padding: 18px 20px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border-top: var(--border-medium) solid var(--color-accent-dark);
  border-bottom: var(--border-medium) solid var(--color-accent-dark);
  background: var(--color-bg);
}

.step-handoff span {
  color: var(--color-error);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

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

.mode-table {
  margin: 30px 0;
}

.connection-paths {
  margin: 30px 0;
  display: grid;
  gap: 14px;
}

.connection-paths article {
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) minmax(0, 1fr);
  gap: 24px;
  border: var(--border-medium) solid var(--color-border);
  border-radius: var(--radius-xs) var(--radius-md) var(--radius-xs) var(--radius-md);
  background: var(--color-bg);
}

.connection-paths article:nth-child(2) {
  margin-left: 28px;
  background: var(--color-panel-soft);
}

.connection-paths article:nth-child(3) {
  margin-left: 56px;
}

.connection-paths h3,
.connection-paths p {
  margin-bottom: 0;
}

.connection-paths p {
  color: var(--color-text-muted);
}

.verification-list {
  margin: 30px 0;
  padding: clamp(22px, 4vw, 34px);
  border: var(--border-medium) solid var(--color-accent-dark);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.verification-list ol {
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  list-style: none;
  counter-reset: verify-step;
}

.verification-list li {
  position: relative;
  min-height: 72px;
  padding: 0 0 22px 58px;
  counter-increment: verify-step;
}

.verification-list li:not(:last-child)::after {
  position: absolute;
  top: 34px;
  bottom: 0;
  left: 17px;
  width: 2px;
  background: var(--color-border);
  content: "";
}

.verification-list li::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: var(--border-medium) solid var(--color-accent-dark);
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  content: counter(verify-step);
}

.verification-list li:last-child {
  padding-bottom: 0;
}

.verification-list p {
  margin: 5px 0 0;
  color: var(--color-text-muted);
}

.finish-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
}

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

@media (max-width: 900px) {
  .tutorial-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .route-sheet {
    max-width: 620px;
  }

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

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 48px;
    padding-bottom: 70px;
  }

  .tutorial-hero::before {
    width: 70%;
    right: -30%;
  }

  .tutorial-facts {
    display: grid;
    gap: 9px;
  }

  .route-sheet {
    padding: 18px;
  }

  .step-heading {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 14px;
  }

  .step-marker {
    width: 52px;
    height: 52px;
    border-width: var(--border-medium);
    font-size: 0.82rem;
  }

  .tutorial-block + .tutorial-block {
    margin-top: 58px;
    padding-top: 54px;
  }

  .step-handoff {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .connection-paths article {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .connection-paths article:nth-child(2),
  .connection-paths article:nth-child(3) {
    margin-left: 0;
  }

  .verification-list li {
    padding-left: 50px;
  }
}