.guide-intro {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  overflow-x: clip;
}

.guide-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(
      90deg,
      var(--color-transparent) 0 49%,
      var(--color-desktop-dark) 50%,
      var(--color-transparent) 51%
    ),
    linear-gradient(
      0deg,
      var(--color-transparent) 0 49%,
      var(--color-desktop-light) 50%,
      var(--color-transparent) 51%
    );
  background-size: 40px 40px;
  opacity: 0.28;
}

.guide-intro__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr);
  align-items: center;
  gap: clamp(38px, 7vw, 88px);
}

.guide-intro h1 {
  max-width: 760px;
  color: var(--color-paper);
  text-shadow:
    4px 0 0 var(--color-accent-dark),
    0 4px 0 var(--color-accent-dark),
    8px 8px 0 var(--color-shadow-deep);
}

.guide-intro .lead {
  margin-bottom: 24px;
  padding: 14px 16px;
  background: var(--color-panel-soft);
  border-top: 2px solid var(--color-panel-bright);
  border-left: 2px solid var(--color-panel-bright);
  border-right: 2px solid var(--color-border);
  border-bottom: 2px solid var(--color-border);
  box-shadow: var(--hard-shadow-small);
}

.guide-checklist {
  padding-bottom: 18px;
}

.guide-checklist ol {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-checklist li {
  display: grid;
  min-width: 0;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 9px;
  background: var(--color-panel-bright);
  border-top: 2px solid var(--color-panel-shadow);
  border-left: 2px solid var(--color-panel-shadow);
  border-right: 2px solid var(--color-panel-bright);
  border-bottom: 2px solid var(--color-panel-bright);
}

.guide-checklist li span {
  display: grid;
  min-height: 30px;
  place-items: center;
  color: var(--color-selection-text);
  background: var(--color-accent);
  border: 2px solid var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 900;
}

.guide-checklist__status {
  margin: 18px 0 0;
  padding-top: 9px;
  border-top: 2px dotted var(--color-panel-shadow);
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 900;
}

.guide-section-note {
  max-width: 680px;
  color: var(--color-text-muted);
}

.guide-step {
  padding: clamp(22px, 4vw, 42px);
  background: var(--color-paper);
  border-top: 4px double var(--color-panel-bright);
  border-left: 4px double var(--color-panel-bright);
  border-right: 4px double var(--color-border);
  border-bottom: 4px double var(--color-border);
  box-shadow: var(--hard-shadow-large);
}

.guide-step__header {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: start;
  gap: 18px;
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 4px double var(--color-border);
}

.guide-step__header h2 {
  margin: 0;
  padding: 0;
  border: 0;
}

.guide-step__number {
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  color: var(--color-selection-text);
  background: var(--color-accent);
  border-top: 4px solid var(--color-accent-light);
  border-left: 4px solid var(--color-accent-light);
  border-right: 4px solid var(--color-accent-dark);
  border-bottom: 4px solid var(--color-accent-dark);
  box-shadow: var(--hard-shadow-small);
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 900;
}

.guide-step__label {
  margin: 0 0 5px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.guide-step__next {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 18px;
  margin-top: 34px;
  padding: 10px;
  color: var(--color-selection-text);
  background: var(--color-accent-dark);
  border-top: 2px solid var(--color-accent-light);
  border-left: 2px solid var(--color-accent-light);
  border-right: 2px solid var(--color-shadow-deep);
  border-bottom: 2px solid var(--color-shadow-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.guide-step__next a {
  color: inherit;
  overflow-wrap: anywhere;
}

.guide-result {
  margin-top: 30px;
  padding: 3px;
  background: var(--color-panel);
  border-top: 3px solid var(--color-panel-bright);
  border-left: 3px solid var(--color-panel-bright);
  border-right: 3px solid var(--color-border);
  border-bottom: 3px solid var(--color-border);
  box-shadow: var(--hard-shadow-medium);
}

.guide-result__title {
  padding: 7px 10px;
  color: var(--color-selection-text);
  background: var(--color-accent-dark);
  font-family: var(--font-display);
  font-weight: 900;
}

.guide-result ul {
  margin: 0;
  padding: 18px 20px 18px 42px;
  background: var(--color-panel-soft);
}

.guide-result li::marker {
  color: var(--color-success);
}

.guide-support {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: clamp(30px, 6vw, 72px);
}

.guide-support > div:first-child {
  position: sticky;
  top: calc(var(--header-height) + 28px);
}

.guide-after {
  margin-top: 56px;
}

.guide-after__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.guide-after__grid > div {
  min-width: 0;
  padding: 20px;
  background: var(--color-panel-bright);
  border-top: 2px solid var(--color-panel-shadow);
  border-left: 2px solid var(--color-panel-shadow);
  border-right: 2px solid var(--color-panel-bright);
  border-bottom: 2px solid var(--color-panel-bright);
}

.guide-after h3 {
  margin-top: 0;
}

@media (max-width: 860px) {
  .guide-intro {
    min-height: auto;
  }

  .guide-intro__layout,
  .guide-support {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .guide-support > div:first-child {
    position: static;
  }
}

@media (max-width: 640px) {
  .guide-intro h1 {
    text-shadow:
      3px 0 0 var(--color-accent-dark),
      0 3px 0 var(--color-accent-dark),
      5px 5px 0 var(--color-shadow-deep);
  }

  .guide-step {
    padding: 18px;
    box-shadow: var(--hard-shadow-small);
  }

  .guide-step__header {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 12px;
  }

  .guide-step__number {
    width: 58px;
    height: 58px;
    font-size: 19px;
  }

  .guide-step__next {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .guide-after__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .guide-after__grid > div {
    padding: 16px;
  }
}