.tutorial-hero {
  position: relative;
  padding-top: clamp(56px, 8vw, 104px);
  padding-bottom: clamp(52px, 7vw, 88px);
  overflow-x: clip;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
}

.tutorial-hero::before {
  position: absolute;
  top: 0;
  right: max(var(--gutter), calc((100vw - var(--content-max)) / 2 + var(--gutter)));
  width: clamp(74px, 10vw, 132px);
  height: clamp(96px, 14vw, 176px);
  border-right: 6px solid var(--color-accent);
  border-bottom: 6px solid var(--color-accent);
  content: "";
  opacity: .18;
}

.tutorial-hero::after {
  position: absolute;
  right: max(var(--gutter), calc((100vw - var(--content-max)) / 2 + var(--gutter)));
  bottom: 0;
  width: clamp(190px, 31vw, 420px);
  height: 1px;
  background: var(--color-line);
  content: "";
}

.tutorial-hero h1 {
  max-width: 11em;
  margin-bottom: 24px;
}

.tutorial-hero .lead {
  max-width: 46em;
}

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

.tutorial-facts {
  display: flex;
  margin-top: 30px;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
}

.tutorial-intro {
  background: var(--color-canvas);
}

.tutorial-map {
  display: grid;
  margin-top: 42px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.tutorial-map-node {
  position: relative;
  min-width: 0;
  min-height: 172px;
  padding: 22px;
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
}

.tutorial-map-node::before {
  position: absolute;
  top: -5px;
  right: 20px;
  left: 20px;
  height: 5px;
  border-radius: var(--radius-xs);
  background: var(--color-mint);
  content: "";
}

.tutorial-map-node:nth-child(2)::before {
  background: var(--color-sky);
}

.tutorial-map-node:nth-child(3)::before {
  background: var(--color-lemon);
}

.tutorial-map-node:nth-child(4)::before {
  background: var(--color-accent);
}

.tutorial-map-node > span {
  display: block;
  margin-bottom: 18px;
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.tutorial-map-node strong,
.tutorial-map-node small {
  display: block;
}

.tutorial-map-node small {
  margin-top: 8px;
  line-height: 1.55;
}

.tutorial-prose {
  position: relative;
}

.tutorial-prose h2 {
  margin-top: 0;
  max-width: 15em;
}

.tutorial-prose h3 {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-display);
  font-size: clamp(23px, 2.7vw, 30px);
}

.tutorial-prose h3::before {
  position: absolute;
  top: .52em;
  left: 0;
  width: 9px;
  height: 9px;
  border: 3px solid var(--color-sky);
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  content: "";
}

.step-kicker {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 6px 10px;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  background: var(--color-panel-strong);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
}

.step-check {
  position: relative;
  margin-top: 38px;
  padding: 22px 24px 22px 30px;
  border: 1px solid var(--color-line);
  border-left: 6px solid var(--color-mint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-canvas);
}

.step-check::before {
  position: absolute;
  top: 23px;
  left: -11px;
  width: 16px;
  height: 16px;
  border: 3px solid var(--color-mint);
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  content: "";
}

.step-check strong {
  display: block;
  margin-bottom: 6px;
}

.step-check p {
  margin-bottom: 0;
}

.next-paths {
  display: grid;
  margin-top: 38px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.next-path {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
}

.next-path h3 {
  margin-top: 20px;
  margin-bottom: 10px;
  font-family: var(--font-display);
}

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

.next-path a {
  color: var(--color-accent-deep);
  font-weight: 650;
}

@media (max-width: 800px) {
  .tutorial-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .tutorial-hero::before,
  .tutorial-hero::after {
    display: none;
  }

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

  .tutorial-map,
  .next-paths {
    grid-template-columns: 1fr;
  }

  .tutorial-map-node {
    min-height: 0;
  }

  .tutorial-prose h3 {
    padding-left: 20px;
  }

  .step-check {
    padding-right: 20px;
    padding-left: 24px;
  }
}