.guide-hero {
  position: relative;
  overflow: clip;
  padding-top: 72px;
  padding-bottom: 84px;
  background: var(--color-canvas);
}

.guide-hero-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(620px 420px at 18% 16%, var(--color-halo-warm), transparent 72%),
    radial-gradient(680px 460px at 82% 34%, var(--color-halo-green), transparent 74%);
}

.guide-hero-atmosphere::after {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--color-dot-grid) 1px, transparent 1.4px);
  background-size: 28px 28px;
  content: "";
  -webkit-mask-image: linear-gradient(to bottom, var(--color-ink), transparent 82%);
  mask-image: linear-gradient(to bottom, var(--color-ink), transparent 82%);
}

.guide-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .75fr);
  align-items: center;
  gap: 72px;
}

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

.guide-hero-copy h1 {
  max-width: 720px;
  margin-top: 20px;
}

.guide-hero-copy .lede {
  margin-bottom: 28px;
}

.guide-trust {
  margin-top: 22px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.guide-route-sheet {
  min-width: 0;
  overflow: clip;
  border-radius: var(--radius-large);
  background: var(--color-night);
  box-shadow: var(--shadow-card);
}

.guide-route-head {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-night-line);
  background: var(--color-night-soft);
}

.guide-route-list {
  position: relative;
  display: grid;
  margin: 0;
  gap: 0;
  padding: 18px 24px 22px;
  list-style: none;
}

.guide-route-list::before {
  position: absolute;
  top: 42px;
  bottom: 46px;
  left: 45px;
  width: 1px;
  background: var(--color-night-line);
  content: "";
}

.guide-route-list li {
  position: relative;
  display: grid;
  min-width: 0;
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  color: var(--color-cream-dot);
}

.guide-route-list li::before {
  position: absolute;
  top: 50%;
  left: 17px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--color-night);
  border-radius: 50%;
  background: var(--color-warning);
  box-shadow: 0 0 0 1px var(--color-cream-line);
  content: "";
  transform: translateY(-50%);
}

.guide-route-index {
  color: var(--color-cream-text);
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: .72;
}

.guide-route-list strong,
.guide-route-list small {
  display: block;
}

.guide-route-list strong {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
}

.guide-route-list small {
  margin-top: 2px;
  color: var(--color-cream-text);
  font-size: 12px;
}

.guide-content {
  background: var(--color-canvas);
}

.guide-content > .wrap {
  min-width: 0;
}

.guide-document {
  display: grid;
  min-width: 0;
  grid-template-columns: 220px minmax(0, 780px);
  justify-content: center;
  gap: 64px;
}

.guide-margin-note {
  position: sticky;
  top: var(--toc-offset);
  align-self: start;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.guide-margin-note .mono {
  margin-bottom: 10px;
  color: var(--color-warning);
  font-size: 11px;
  letter-spacing: .12em;
}

.guide-margin-note p {
  color: var(--color-ink-muted);
  font-size: 14px;
}

.guide-margin-note a {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  color: var(--color-accent-deep);
  font-weight: 700;
}

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

.guide-stage {
  min-width: 0;
  padding-top: 34px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--color-line);
  scroll-margin-top: var(--toc-offset);
}

.guide-stage:first-child {
  padding-top: 0;
}

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

.guide-stage-heading {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
}

.guide-stage-heading .eyebrow {
  margin-bottom: 6px;
}

.guide-stage-heading h2 {
  margin-bottom: 0;
}

.guide-stage-number {
  display: inline-flex;
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-accent-deep);
  font-family: var(--font-display);
  font-size: 22px;
  box-shadow: var(--shadow-panel);
}

.guide-stage > p,
.platform-guide-panel p,
.completion-panel p {
  color: var(--color-ink-muted);
  font-size: 17px;
}

.guide-stage a:not([class]) {
  color: var(--color-accent-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.guide-action {
  display: flex;
  margin-top: 28px;
  align-items: center;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
}

.guide-action > span {
  min-width: 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.guide-platforms {
  margin-top: 32px;
  margin-bottom: 32px;
}

.platform-guide-panel {
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.platform-guide-panel h3 {
  color: var(--color-accent-deep);
}

.platform-guide-panel > :last-child {
  margin-bottom: 0;
}

.completion-panel {
  margin-top: 42px;
  padding: 34px;
  overflow: clip;
  border-radius: var(--radius-large);
  background: var(--color-night);
  color: var(--color-cream-dot);
  box-shadow: var(--shadow-card);
}

.completion-panel .mono {
  margin-bottom: 10px;
  color: var(--color-cream-text);
  font-size: 11px;
  letter-spacing: .14em;
}

.completion-panel h3 {
  color: var(--color-cream-dot);
}

.completion-panel p {
  color: var(--color-cream-text);
}

.completion-panel .button-row {
  margin-top: 26px;
}

.completion-panel .btn-secondary {
  border-color: var(--color-cream-line);
  color: var(--color-cream-dot);
}

.completion-panel .btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-white);
}

@media (max-width: 980px) {
  .guide-hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 46px;
  }

  .guide-route-sheet {
    width: min(100%, 680px);
  }

  .guide-document {
    grid-template-columns: minmax(0, 780px);
  }

  .guide-margin-note {
    position: static;
  }
}

@media (max-width: 768px) {
  .guide-hero {
    padding-top: 52px;
    padding-bottom: 64px;
  }

  .guide-hero-inner {
    gap: 36px;
  }

  .guide-route-list {
    padding-inline: 18px;
  }

  .guide-route-list::before {
    left: 39px;
  }

  .guide-stage {
    padding-top: 26px;
    padding-bottom: 56px;
  }

  .guide-stage-heading {
    gap: 14px;
  }

  .guide-stage-number {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

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

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

  .platform-guide-panel {
    padding: 22px;
  }

  .completion-panel {
    padding: 28px 22px;
  }
}

@media (max-width: 480px) {
  .guide-route-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-route-list li {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .guide-route-list::before {
    left: 39px;
  }

  .guide-stage-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-stage > p,
  .platform-guide-panel p,
  .completion-panel p {
    font-size: 16px;
  }
}