.guide-hero {
  position: relative;
  border-bottom: 1px solid var(--color-border);
  background: var(--gradient-atmosphere);
}

.guide-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  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: 44px 44px;
  mask-image: linear-gradient(to bottom, var(--color-text), var(--color-transparent));
  opacity: 0.56;
  pointer-events: none;
}

.guide-hero > .wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  align-items: center;
  gap: 72px;
}

.guide-hero-copy {
  max-width: 680px;
}

.guide-hero-copy .badge {
  margin-bottom: 20px;
}

.guide-hero-copy h1 {
  max-width: 680px;
}

.guide-facts {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.guide-checksheet {
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-device);
}

.checksheet-head {
  min-height: 48px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-soft);
  color: var(--color-muted);
  font-size: 11px;
}

.checksheet-state {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-accent-dark);
  font-weight: 650;
}

.checksheet-list {
  margin: 0;
  padding: 6px 18px;
  list-style: none;
}

.checksheet-list li {
  min-height: 52px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
}

.checksheet-list li:last-child {
  border-bottom: 0;
}

.checksheet-list li > .mono {
  color: var(--color-muted-light);
  font-size: 10px;
}

.checksheet-list strong {
  font-size: 13px;
  font-weight: 650;
}

.checksheet-list li > span:last-child {
  color: var(--color-muted);
  font-size: 11px;
}

.guide-flow {
  position: relative;
}

.guide-flow::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: max(var(--gutter), calc((100% - var(--wrap)) / 2 + 60px));
  width: 1px;
  background: var(--color-border);
}

.guide-flow > .section:nth-child(even) {
  background: var(--color-panel-soft);
}

.guide-record {
  position: relative;
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 52px;
}

.record-marker {
  position: relative;
  z-index: 2;
  width: 78px;
  height: 78px;
  display: grid;
  place-content: center;
  align-self: start;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  box-shadow: 0 0 0 10px var(--color-canvas);
  text-align: center;
}

.guide-flow > .section:nth-child(even) .record-marker {
  box-shadow: 0 0 0 10px var(--color-panel-soft);
}

.record-marker span {
  color: var(--color-muted-light);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.record-marker strong {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.2;
}

.record-body {
  max-width: 850px;
}

.record-body > p:not(.kicker) {
  color: var(--color-muted);
}

.record-body a:not(.button) {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-color: var(--color-border-strong);
  text-underline-offset: 3px;
}

.record-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.record-result {
  margin-top: 34px;
  padding-top: 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-top: 1px solid var(--color-border);
}

.record-result .status-dot {
  margin-top: 9px;
}

.record-result p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.record-result strong {
  color: var(--color-text);
}

.platform-notes {
  margin-top: 34px;
  border-top: 1px solid var(--color-border);
}

.platform-note {
  padding-top: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--color-border);
}

.platform-note-head {
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--color-accent-dark);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.platform-note h3 {
  font-size: 23px;
}

.platform-note p {
  max-width: 790px;
  color: var(--color-muted);
}

.verify-grid {
  margin: 32px 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.verify-grid section {
  padding-top: 28px;
  padding-bottom: 28px;
}

.verify-grid section:first-child {
  padding-right: 32px;
  border-right: 1px solid var(--color-border);
}

.verify-grid section:last-child {
  padding-left: 32px;
}

.verify-grid .mono {
  display: block;
  margin-bottom: 12px;
  color: var(--color-accent-dark);
  font-size: 10px;
  letter-spacing: 0.07em;
}

.verify-grid h3 {
  font-size: 21px;
}

.verify-grid p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.completion-panel {
  margin-top: 44px;
  padding: 28px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-panel-accent);
}

.completion-panel h3 {
  margin-bottom: 10px;
}

.completion-panel p:last-child {
  margin-bottom: 0;
  color: var(--color-muted);
}

@media (max-width: 900px) {
  .guide-hero > .wrap {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .guide-hero-copy {
    max-width: 760px;
  }

  .guide-checksheet {
    width: 100%;
    max-width: 680px;
  }

  .guide-record {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 32px;
  }

  .guide-flow::before {
    left: calc(var(--gutter) + 38px);
  }

  .record-marker {
    width: 68px;
    height: 68px;
  }
}

@media (max-width: 640px) {
  .guide-hero > .wrap {
    gap: 34px;
  }

  .guide-facts {
    margin-top: 24px;
  }

  .guide-checksheet {
    box-shadow: var(--shadow-panel);
  }

  .checksheet-list {
    padding-inline: 12px;
  }

  .checksheet-list li {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .checksheet-list li > span:last-child {
    display: none;
  }

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

  .guide-record {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .record-marker {
    width: auto;
    height: 32px;
    padding: 0 11px;
    display: inline-flex;
    align-items: center;
    justify-self: start;
    gap: 7px;
    border-radius: var(--radius-pill);
    box-shadow: none;
  }

  .guide-flow > .section:nth-child(even) .record-marker {
    box-shadow: none;
  }

  .record-marker strong {
    font-size: 13px;
  }

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

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

  .platform-note {
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .verify-grid {
    grid-template-columns: 1fr;
  }

  .verify-grid section:first-child {
    padding-right: 0;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .verify-grid section:last-child {
    padding-left: 0;
  }

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