:root {
  --tutorial-rail-width: 86px;
  --tutorial-marker-size: 58px;
  --tutorial-platform-mark: 42px;
  --tutorial-route-node: 16px;
  --tutorial-copy-width: 850px;
}

.guide-hero {
  position: relative;
  padding-top: 92px;
  padding-bottom: 84px;
  overflow-x: clip;
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 62%, transparent);
  background:
    radial-gradient(circle at 82% 28%, color-mix(in srgb, var(--color-accent) 18%, transparent), transparent 32%),
    linear-gradient(color-mix(in srgb, var(--color-border) 20%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-border) 20%, transparent) 1px, transparent 1px);
  background-size: auto, 72px 72px, 72px 72px;
}

.guide-hero::after {
  position: absolute;
  right: 7%;
  bottom: -150px;
  width: 430px;
  height: 430px;
  border: 1px dashed color-mix(in srgb, var(--color-accent-pink) 28%, transparent);
  border-radius: var(--radius-pill);
  content: '';
  pointer-events: none;
}

.guide-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 72px;
  align-items: center;
}

.guide-hero-copy {
  min-width: 0;
}

.guide-hero-copy h1 {
  max-width: 11em;
  margin-top: 4px;
}

.guide-hero-actions {
  margin-top: 30px;
}

.guide-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.guide-facts li {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-panel) 72%, transparent);
  color: var(--color-text-muted);
  font-size: 12px;
}

.guide-facts .mono {
  color: var(--color-accent-pink);
}

.guide-route {
  position: relative;
  min-width: 0;
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--color-panel), var(--color-panel-raised));
  box-shadow: var(--shadow-panel);
}

.guide-route-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.guide-route-line {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 62px;
}

.guide-route-line::before {
  position: absolute;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-pink));
  box-shadow: 0 0 18px color-mix(in srgb, var(--color-accent) 48%, transparent);
  content: '';
}

.guide-route-node {
  position: relative;
  z-index: 1;
  width: var(--tutorial-route-node);
  height: var(--tutorial-route-node);
  flex-shrink: 0;
  border: 3px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-panel-raised);
  box-shadow: 0 0 16px color-mix(in srgb, var(--color-accent) 64%, transparent);
}

.guide-route-node.is-current {
  border-color: var(--color-accent-pink);
  background: var(--color-text);
}

.guide-route-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.guide-route > p {
  margin: 42px 0 0;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
}

.guide-intro {
  max-width: calc(var(--tutorial-copy-width) + var(--gutter) * 2);
}

.guide-intro .section-head {
  margin-bottom: 28px;
}

.guide-article {
  padding-top: 72px;
}

.guide-layout {
  min-width: 0;
}

.guide-flow {
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
}

.guide-step {
  position: relative;
  display: grid;
  grid-template-columns: var(--tutorial-rail-width) minmax(0, 1fr);
  gap: 28px;
  min-width: 0;
  padding-bottom: 84px;
}

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

.guide-step::before {
  position: absolute;
  top: var(--tutorial-marker-size);
  bottom: 0;
  left: calc(var(--tutorial-rail-width) / 2);
  border-left: 1px dashed var(--color-border);
  content: '';
}

.guide-step:last-child::before {
  display: none;
}

.guide-step-marker {
  position: relative;
  z-index: 1;
  display: flex;
  width: var(--tutorial-marker-size);
  height: var(--tutorial-marker-size);
  align-items: center;
  justify-content: center;
  justify-self: center;
  border: 1px solid color-mix(in srgb, var(--color-accent) 58%, var(--color-border));
  border-radius: var(--radius-pill);
  background: var(--color-panel-raised);
  box-shadow: 0 0 24px color-mix(in srgb, var(--color-accent) 20%, transparent);
  color: var(--color-accent-pink);
  font-family: var(--font-mono);
  font-size: 10px;
  text-align: center;
}

.guide-step-body {
  min-width: 0;
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--color-accent) 7%, transparent), transparent 48%),
    var(--color-panel);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-text) 7%, transparent);
}

.guide-step-body h2 {
  margin-top: 18px;
  font-size: clamp(30px, 4vw, 44px);
}

.guide-step-body > p {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.92;
}

.guide-step-body > p + p {
  margin-top: 20px;
}

.guide-step-body a:not(.btn-primary):not(.btn-secondary) {
  color: var(--color-accent-pink);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-accent-pink) 48%, transparent);
  text-underline-offset: 3px;
}

.guide-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.guide-action > div {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.guide-action span {
  color: var(--color-text-muted);
  font-size: 13px;
}

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

.platform-instruction {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-raised);
}

.platform-instruction-head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 16px;
}

.platform-letter {
  display: inline-flex;
  width: var(--tutorial-platform-mark);
  height: var(--tutorial-platform-mark);
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--color-accent) 60%, var(--color-border));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  color: var(--color-accent-pink);
  font-family: var(--font-mono);
  font-weight: 700;
}

.platform-instruction h3 {
  margin: 0;
  font-size: 20px;
}

.platform-instruction p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.82;
}

@media (max-width: 960px) {
  .guide-hero-grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .guide-route {
    max-width: 680px;
  }

  .platform-instructions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --tutorial-rail-width: 48px;
    --tutorial-marker-size: 44px;
  }

  .guide-hero {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .guide-hero::after {
    display: none;
  }

  .guide-route-labels,
  .guide-route > p {
    display: none;
  }

  .guide-route-line {
    margin-top: 44px;
    margin-bottom: 12px;
  }

  .guide-step {
    gap: 14px;
    padding-bottom: 58px;
  }

  .guide-step-marker {
    font-size: 8px;
  }

  .guide-step-body {
    padding: 24px;
  }

  .guide-step-body > p {
    font-size: 15px;
  }
}

@media (max-width: 560px) {
  .guide-route {
    padding: 22px;
  }

  .guide-route-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-step {
    display: block;
  }

  .guide-step::before {
    display: none;
  }

  .guide-step-marker {
    width: auto;
    height: 30px;
    justify-self: auto;
    margin-bottom: 12px;
    padding-inline: 12px;
    border-radius: var(--radius-pill);
    font-size: 10px;
  }

  .guide-step-body {
    padding: 22px;
  }

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

  .guide-action .btn-primary,
  .guide-action .btn-secondary {
    width: 100%;
  }

  .platform-instruction {
    padding: 20px;
  }
}