.guide-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
  padding-top: clamp(54px, 8vw, 104px);
  padding-bottom: clamp(58px, 8vw, 98px);
}

.guide-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(390px, 0.98fr);
  align-items: center;
  gap: clamp(38px, 7vw, 86px);
}

.guide-hero-copy {
  position: relative;
  z-index: 2;
}

.guide-hero-copy h1 {
  max-width: 9em;
  margin-top: 24px;
  font-size: clamp(52px, 5vw, 68px);
}

.guide-lead {
  max-width: 42em;
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.85;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
  margin-bottom: 26px;
}

.guide-route-panel {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  padding: 25px;
}

.guide-route-grid {
  position: absolute;
  inset: -34px;
  background-image:
    repeating-linear-gradient(0deg, var(--color-border) 0 1px, var(--color-transparent) 1px 32px),
    repeating-linear-gradient(90deg, var(--color-border) 0 1px, var(--color-transparent) 1px 32px);
  opacity: 0.28;
  pointer-events: none;
}

.guide-route-head,
.guide-route-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.guide-route-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.guide-route-body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) 92px;
  align-items: center;
  gap: 12px;
  min-height: 290px;
}

.guide-origin {
  display: grid;
  justify-items: center;
  gap: 12px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.guide-origin-ring {
  position: relative;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-pill);
  background: var(--color-panel-raised);
  box-shadow: inset 0 0 0 8px var(--color-panel);
}

.guide-origin-ring::after {
  position: absolute;
  inset: 15px;
  border-radius: var(--radius-pill);
  background: var(--color-success);
  content: "";
}

.guide-lanes,
.guide-targets {
  display: grid;
  gap: 56px;
}

.guide-lane {
  position: relative;
  display: block;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-border);
}

.guide-lane.is-current {
  background: var(--color-accent-dark);
  box-shadow: var(--glow-accent);
}

.guide-lane.is-current i {
  position: absolute;
  top: 50%;
  left: 20%;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: var(--glow-accent);
  transform: translateY(-50%);
}

.guide-targets span {
  display: flex;
  min-height: 32px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel-raised);
  padding: 6px 10px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.guide-targets span.is-current {
  border-color: var(--color-accent-dark);
  color: var(--color-accent);
}

.guide-route-foot {
  justify-content: flex-start;
  gap: 18px;
}

.guide-route-foot span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.guide-route-foot span::before {
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-border-hover);
  content: "";
}

.guide-article {
  padding-top: clamp(46px, 7vw, 78px);
  padding-bottom: var(--section-space);
}

.guide-intro {
  margin-bottom: 38px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-panel);
  padding: clamp(22px, 4vw, 34px);
  color: var(--color-text-muted);
}

.guide-intro p:last-child {
  margin-bottom: 0;
}

.guide-intro a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-dark);
  text-underline-offset: 3px;
}

.guide-section {
  padding-top: clamp(72px, 10vw, 112px);
  padding-bottom: 20px;
}

.guide-section + .guide-section {
  border-top: 1px solid var(--color-border);
}

.guide-section h2 {
  margin-bottom: 34px;
}

.guide-section h3 {
  margin-top: 42px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: clamp(20px, 2vw, 25px);
  font-weight: 600;
}

.guide-section p {
  line-height: 1.95;
}

.guide-section .callout {
  margin-top: 32px;
  margin-bottom: 34px;
}

.guide-section .table-scroll {
  margin-top: 34px;
  margin-bottom: 38px;
}

.guide-section pre {
  margin-top: 24px;
  margin-bottom: 28px;
  font-size: 13px;
  line-height: 1.75;
}

.guide-article > .promo-block {
  margin-top: var(--section-space);
}

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

  .guide-hero-copy h1 {
    max-width: 11em;
  }

  .guide-route-panel {
    min-height: 330px;
  }

  .guide-route-body {
    min-height: 235px;
  }
}

@media (max-width: 768px) {
  .guide-hero {
    padding-top: 44px;
    padding-bottom: 58px;
  }

  .guide-hero-copy h1 {
    font-size: clamp(28px, 9.4vw, 40px);
  }

  .guide-lead {
    font-size: 16px;
    line-height: 1.75;
  }

  .guide-route-panel {
    min-height: 190px;
    padding: 18px;
  }

  .guide-route-body {
    grid-template-columns: 52px minmax(0, 1fr) 68px;
    min-height: 130px;
    gap: 8px;
  }

  .guide-origin {
    font-size: 0;
  }

  .guide-origin-ring {
    width: 34px;
    height: 34px;
  }

  .guide-origin-ring::after {
    inset: 12px;
  }

  .guide-lanes,
  .guide-targets {
    gap: 24px;
  }

  .guide-targets span {
    justify-content: center;
    min-height: 25px;
    padding: 3px 5px;
    font-size: 0;
  }

  .guide-targets span::after {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-pill);
    background: var(--color-text-muted);
    content: "";
  }

  .guide-targets span.is-current::after {
    background: var(--color-accent);
  }

  .guide-route-foot {
    display: none;
  }

  .guide-section {
    padding-top: 70px;
  }

  .guide-section h2 {
    margin-bottom: 28px;
  }

  .guide-section h3 {
    margin-top: 34px;
  }
}

@media (max-width: 430px) {
  .guide-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .guide-route-panel {
    min-height: 170px;
  }

  .guide-route-body {
    min-height: 112px;
  }

  .guide-route-head {
    font-size: 9px;
  }

  .guide-intro {
    padding: 20px;
  }
}