.page-deepdoc {
  background:
    radial-gradient(circle at top right, rgba(var(--rgb-accent), .08), rgba(var(--rgb-accent), 0) 34%),
    var(--color-page);
}

.guide-hero {
  overflow-x: clip;
  max-width: 100%;
  padding-top: 58px;
  padding-bottom: 74px;
  border-bottom: 1px solid var(--color-border-soft);
  background:
    linear-gradient(180deg, rgba(var(--rgb-accent), .07), rgba(var(--rgb-panel), .42)),
    var(--color-page);
}

.guide-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
  align-items: center;
  gap: 70px;
}

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

.guide-hero-copy h1 {
  max-width: 11em;
  margin-top: 16px;
}

.guide-lead {
  max-width: 38em;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 18px;
}

.guide-entry-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 27px;
}

.guide-scope {
  max-width: 48em;
  margin-top: 25px;
  margin-bottom: 0;
  padding-left: 17px;
  border-left: 4px solid var(--color-accent);
  color: var(--color-muted);
  font-size: 14px;
}

.guide-scope a {
  color: var(--color-accent-deep);
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.decision-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: 22px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-plate);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
}

.decision-card::after {
  position: absolute;
  right: -58px;
  bottom: -76px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: rgba(var(--rgb-accent), .12);
  content: "";
  filter: blur(28px);
  pointer-events: none;
}

.decision-card-bar {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: -7px -7px 15px;
  padding: 8px 13px;
  border-radius: 13px;
  background: var(--color-ink);
  color: var(--color-panel);
  font-size: 12px;
  font-weight: 800;
}

.decision-card-bar .mono {
  color: rgba(var(--rgb-panel), .68);
  font-size: 10px;
  letter-spacing: .07em;
}

.decision-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 13px;
  min-height: 74px;
  padding: 11px 7px;
  border-bottom: 1px solid var(--color-border-soft);
}

.decision-mark {
  position: relative;
  display: block;
  width: 30px;
  height: 34px;
  border: 2px solid var(--color-accent);
  border-radius: 9px;
  background: rgba(var(--rgb-accent), .08);
}

.decision-mark::before {
  position: absolute;
  top: -10px;
  left: 6px;
  width: 14px;
  height: 13px;
  border: 2px solid var(--color-accent);
  border-bottom: 0;
  border-radius: var(--radius-pill) var(--radius-pill) 0 0;
  content: "";
}

.decision-mark::after {
  position: absolute;
  top: 12px;
  left: 11px;
  width: 5px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.decision-row strong,
.decision-row small {
  display: block;
}

.decision-row strong {
  color: var(--color-ink);
  font-size: 15px;
}

.decision-row small {
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 12px;
}

.decision-facts {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
}

.guide-article {
  position: relative;
  max-width: calc(var(--container) + (var(--gutter) * 2));
  padding-top: 34px;
  padding-bottom: 20px;
}

.guide-article > .toc-tabs {
  top: 10px;
  margin-bottom: 68px;
}

.guide-chapter {
  width: 100%;
  max-width: 920px;
  margin-right: auto;
  margin-left: auto;
  padding-top: 12px;
  padding-bottom: 78px;
  border-bottom: 1px solid var(--color-border);
}

.guide-chapter + .guide-chapter {
  margin-top: 70px;
}

.chapter-heading {
  margin-bottom: 34px;
}

.chapter-heading h2 {
  max-width: 15em;
  margin-top: 12px;
}

.guide-chapter h3 {
  margin-top: 38px;
  margin-bottom: 14px;
  font-size: clamp(21px, 2.2vw, 26px);
}

.guide-chapter p,
.guide-chapter li {
  font-size: 16px;
  line-height: 1.86;
}

.guide-chapter p + p {
  margin-top: 1.05em;
}

.guide-chapter .callout,
.guide-chapter .table-scroll,
.guide-chapter .support-note,
.guide-chapter pre {
  margin-top: 30px;
  margin-bottom: 30px;
}

.guide-chapter .table-scroll {
  box-shadow: var(--shadow-panel);
}

.guide-chapter th,
.guide-chapter td {
  line-height: 1.6;
}

.guide-chapter pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.support-note {
  padding: 25px;
}

.support-note h3 {
  margin-top: 0;
}

.support-note pre {
  margin-bottom: 0;
}

.final-checklist {
  display: grid;
  gap: 11px;
  margin-top: 24px;
  margin-bottom: 34px;
  padding: 0;
  list-style: none;
}

.final-checklist li {
  position: relative;
  padding: 15px 18px 15px 48px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-window);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.final-checklist li::before {
  position: absolute;
  top: 17px;
  left: 17px;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 7px;
  background: rgba(var(--rgb-success), .12);
  color: var(--color-success);
  content: "✓";
  font-size: 13px;
  font-weight: 800;
}

.guide-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
  max-width: 1020px;
  margin: 82px auto 0;
  padding: 36px;
  border-color: var(--color-accent);
}

.guide-next h2 {
  margin-top: 12px;
  margin-bottom: 10px;
  font-size: clamp(30px, 4vw, 43px);
}

.guide-next p {
  max-width: 42em;
  margin-bottom: 0;
  color: var(--color-muted);
}

.guide-next-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 11px;
}

@media (max-width: 960px) {
  .guide-hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .decision-card {
    max-width: 680px;
  }

  .guide-next {
    grid-template-columns: 1fr;
  }

  .guide-next-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .guide-hero {
    padding-top: 38px;
    padding-bottom: 54px;
  }

  .guide-hero-grid {
    gap: 34px;
  }

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

  .guide-article {
    padding-top: 24px;
  }

  .guide-article > .toc-tabs {
    margin-bottom: 50px;
  }

  .guide-chapter {
    padding-bottom: 58px;
  }

  .guide-chapter + .guide-chapter {
    margin-top: 54px;
  }

  .guide-chapter p,
  .guide-chapter li {
    font-size: 15px;
    line-height: 1.82;
  }

  .guide-next {
    margin-top: 62px;
    padding: 28px;
  }
}

@media (max-width: 640px) {
  .guide-entry-links,
  .guide-next-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .guide-entry-links .btn,
  .guide-next-actions .btn {
    width: 100%;
  }

  .decision-card {
    padding: 17px;
    border-radius: var(--radius-card);
  }

  .decision-row {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .guide-article > .toc-tabs {
    border-radius: var(--radius-window);
  }

  .guide-chapter h3 {
    margin-top: 32px;
  }

  .guide-chapter .callout,
  .guide-chapter .table-scroll,
  .guide-chapter .support-note,
  .guide-chapter pre {
    margin-top: 24px;
    margin-bottom: 24px;
  }

  .support-note {
    padding: 18px;
  }

  .final-checklist li {
    padding-right: 14px;
    padding-left: 43px;
  }

  .final-checklist li::before {
    left: 13px;
  }

  .guide-next {
    padding: 23px;
    border-radius: var(--radius-card);
  }
}

@media (max-width: 370px) {
  .decision-card-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .decision-facts {
    align-items: flex-start;
    flex-direction: column;
  }
}