.tutorial-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-line);
  background:
    radial-gradient(circle at 50% 0, var(--color-accent-soft), transparent 42%),
    var(--color-canvas);
}

.tutorial-hero-inner {
  padding-top: clamp(64px, 9vw, 104px);
}

.tutorial-hero-copy {
  max-width: var(--content-max);
  margin-inline: auto;
  text-align: center;
}

.tutorial-hero h1 {
  margin-bottom: 20px;
}

.tutorial-hero .lead {
  max-width: 720px;
  margin-inline: auto;
}

.tutorial-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  max-width: 880px;
  margin: clamp(46px, 7vw, 82px) auto 0;
  padding-bottom: 42px;
}

.tutorial-track-line {
  position: absolute;
  top: 17px;
  right: 9%;
  left: 9%;
  height: 2px;
  background: var(--color-line);
}

.tutorial-track-node {
  position: relative;
  z-index: 1;
  display: grid;
  min-width: 0;
  justify-items: center;
  gap: 10px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.tutorial-track-node::before {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  content: "";
}

.tutorial-track-node.is-current {
  color: var(--color-ink);
  font-weight: 750;
}

.tutorial-track-node.is-current::before {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: var(--shadow-main);
}

.guide-document {
  position: relative;
}

.guide-step {
  display: grid;
  grid-template-columns: minmax(130px, .34fr) minmax(0, 1.66fr);
  column-gap: clamp(28px, 6vw, 84px);
  padding-top: clamp(50px, 7vw, 82px);
  padding-bottom: clamp(50px, 7vw, 82px);
  border-bottom: 1px solid var(--color-line);
}

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

.guide-step-label {
  grid-column: 1;
  grid-row: 1 / span 2;
  margin: 8px 0 0;
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .14em;
}

.guide-step h2,
.guide-copy {
  grid-column: 2;
}

.guide-step h2 {
  max-width: 760px;
}

.guide-copy {
  max-width: var(--content-max);
  color: var(--color-muted);
}

.guide-copy > p {
  max-width: 780px;
}

.guide-copy strong,
.guide-copy h3 {
  color: var(--color-ink);
}

.guide-copy a:not(.button) {
  color: var(--color-accent-strong);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.platform-walkthroughs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 30px 0;
}

.platform-walkthrough {
  min-width: 0;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.platform-walkthrough h3 {
  position: relative;
  padding-left: 18px;
  font-size: 20px;
}

.platform-walkthrough h3::before {
  position: absolute;
  top: .45em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
  content: "";
}

.platform-walkthrough p {
  font-size: 14px;
}

.platform-walkthrough p:last-child {
  margin-bottom: 0;
}

@media (max-width: 760px) {
  .tutorial-hero-inner {
    padding-top: 52px;
  }

  .tutorial-track {
    margin-top: 40px;
    padding-bottom: 30px;
  }

  .tutorial-track-node {
    font-size: 10px;
  }

  .tutorial-track-node::before {
    width: 28px;
    height: 28px;
  }

  .tutorial-track-line {
    top: 14px;
  }

  .guide-step {
    display: block;
  }

  .guide-step-label {
    margin-bottom: 10px;
  }

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

@media (max-width: 480px) {
  .tutorial-track-node {
    font-family: var(--font-body);
    font-size: 9px;
  }

  .tutorial-track-node::before {
    width: 24px;
    height: 24px;
  }

  .tutorial-track-line {
    top: 12px;
  }

  .guide-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .guide-actions .button {
    width: 100%;
  }
}