.guide-hero {
  border-bottom: var(--border-heavy) solid var(--color-border);
  background-image:
    linear-gradient(var(--color-grid) 1px, var(--color-transparent) 1px),
    linear-gradient(90deg, var(--color-grid) 1px, var(--color-transparent) 1px);
  background-size: 32px 32px;
}

.guide-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: stretch;
}

.guide-hero-copy {
  position: relative;
  padding: clamp(28px, 5vw, 58px);
  border: var(--border-heavy) solid var(--color-border);
  background: var(--color-panel);
}

.guide-hero-copy::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 8px -10px -10px 8px;
  border: var(--border-heavy) solid var(--color-border);
  background: var(--color-accent);
}

.guide-hero-copy h1 {
  max-width: 850px;
  margin-top: 24px;
  margin-bottom: 24px;
}

.guide-lead {
  max-width: 760px;
  margin-bottom: 28px;
  color: var(--color-muted);
  font-size: clamp(17px, 2vw, 20px);
}

.guide-route {
  padding: clamp(22px, 3vw, 34px);
}

.route-steps {
  display: grid;
  gap: 0;
  margin: 20px 0 0;
  padding: 0;
  border: var(--border-heavy) solid var(--color-border);
  list-style: none;
}

.route-steps li {
  position: relative;
  border-bottom: var(--border-medium) solid var(--color-border);
}

.route-steps li:last-child {
  border-bottom: 0;
}

.route-steps li::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 16px;
  border-top: var(--border-medium) dashed var(--color-border);
  pointer-events: none;
}

.route-steps a {
  min-height: 92px;
  padding: 14px 52px 14px 16px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-content: center;
  column-gap: 12px;
  color: var(--color-text);
  background: var(--color-panel);
  text-decoration: none;
}

.route-steps li:nth-child(even) a {
  background: var(--color-bg);
}

.route-steps a:hover {
  color: var(--color-text);
  background: var(--color-warn);
}

.route-steps a > span {
  grid-row: 1 / 3;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  align-self: center;
  border: var(--border-medium) solid var(--color-border);
  color: var(--color-panel);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 900;
}

.route-steps strong {
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.3;
}

.route-steps small {
  color: var(--color-muted);
  font-family: var(--font-mono);
}

.guide-section {
  scroll-margin-top: 28px;
  border-top: var(--border-medium) solid var(--color-border);
}

.guide-section-alt {
  background-color: var(--color-panel-alt);
  background-image:
    radial-gradient(circle at 18% 22%, var(--color-paper-ink) 0 1px, var(--color-transparent) 1.2px),
    radial-gradient(circle at 74% 68%, var(--color-paper-ink) 0 1px, var(--color-transparent) 1.2px);
  background-size: 13px 15px, 19px 21px;
}

.step-heading {
  max-width: 940px;
  margin-bottom: clamp(34px, 5vw, 58px);
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

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

.step-number {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  border: var(--border-heavy) solid var(--color-border);
  color: var(--color-panel);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 900;
}

.guide-section:nth-of-type(even) .step-number {
  color: var(--color-panel);
  background: var(--color-success);
}

.guide-section .prose {
  max-width: 900px;
  margin-inline: auto;
}

.guide-section .prose h3 {
  position: relative;
  margin-top: 2em;
  padding-left: 20px;
}

.guide-section .prose h3::before {
  content: "";
  position: absolute;
  top: 0.18em;
  bottom: 0.08em;
  left: 0;
  width: 7px;
  border: var(--border-medium) solid var(--color-border);
  background: var(--color-warn);
}

.guide-section .prose p {
  color: var(--color-text);
}

.completion-board {
  margin: 34px 0;
  padding: clamp(22px, 4vw, 34px);
  border: var(--border-heavy) solid var(--color-border);
  background: var(--color-panel);
}

.completion-board h3 {
  margin-top: 0;
  padding-left: 0;
}

.completion-board h3::before {
  display: none;
}

.completion-board ul {
  margin-bottom: 0;
  padding: 0;
  display: grid;
  list-style: none;
}

.completion-board li {
  padding: 13px 14px;
  border-right: var(--border-medium) solid var(--color-border);
  border-bottom: var(--border-medium) solid var(--color-border);
  border-left: var(--border-medium) solid var(--color-border);
  background: var(--color-bg);
}

.completion-board li:first-child {
  border-top: var(--border-medium) solid var(--color-border);
}

.completion-board li:nth-child(even) {
  background: var(--color-panel-alt);
}

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

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

@media (max-width: 640px) {
  .guide-hero-copy {
    padding: 24px 20px;
  }

  .guide-hero-copy::after {
    inset: 6px -6px -6px 6px;
  }

  .guide-hero-copy h1 {
    margin-top: 18px;
  }

  .guide-route {
    padding: 18px;
  }

  .route-steps a {
    min-height: 82px;
    padding-right: 42px;
  }

  .step-heading {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 14px;
  }

  .step-number {
    width: 58px;
    height: 58px;
    font-size: 0.9rem;
  }

  .guide-section .prose h3 {
    padding-left: 16px;
  }

  .guide-section .prose h3::before {
    width: 6px;
  }

  .completion-board {
    padding: 18px;
  }
}