.guide-library__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.guide-library__grid article {
  min-width: 0;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.guide-library__grid article:first-child { grid-column: 1 / -1; }

.guide-library__grid article > a {
  display: flex;
  min-height: 360px;
  padding: clamp(1.6rem, 4vw, 3rem);
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  transition: background-color 180ms ease, color 180ms ease;
}

.guide-library__grid article > a:hover,
.guide-library__grid article > a:focus-visible {
  background: var(--petrol);
  color: var(--white);
}

.guide-library__grid h2 {
  max-width: 760px;
  margin: clamp(3rem, 7vw, 6rem) 0 1.2rem;
  font-size: clamp(2rem, 3.6vw, 3.6rem);
}

.guide-library__grid p {
  max-width: 680px;
  margin-bottom: 2rem;
  color: var(--muted);
}

.guide-library__grid article > a:hover p,
.guide-library__grid article > a:focus-visible p { color: #c3d2cf; }

.guide-library__grid strong {
  margin-top: auto;
  color: var(--clay-deep);
}

.guide-library__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--clay-deep);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.guide-library__categories {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.guide-article__header {
  padding-block: clamp(4rem, 9vw, 8rem);
  border-bottom: 1px solid var(--rule);
}

.guide-article__header-grid {
  display: grid;
  grid-template-columns: minmax(420px, 1.25fr) minmax(300px, 0.75fr);
  align-items: end;
  gap: clamp(4rem, 10vw, 10rem);
}

.guide-article__header h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(3rem, 6vw, 6rem);
}

.guide-article__standfirst > p:first-child {
  color: var(--muted);
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  line-height: 1.6;
}

.guide-article__facts {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--rule);
}

.guide-article__facts p {
  margin: 0.35rem 0;
  color: var(--charcoal);
  font-size: 0.76rem;
  font-weight: 680;
}

.guide-article__opening-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  align-items: start;
  gap: clamp(3rem, 9vw, 8rem);
}

.guide-article__answer > p:last-child {
  max-width: 820px;
  margin: 0;
  color: var(--petrol);
  font-size: clamp(1.5rem, 2.8vw, 2.6rem);
  font-weight: 590;
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.guide-contents {
  position: sticky;
  top: 112px;
  border-top: 2px solid var(--petrol);
}

.guide-contents > p {
  margin: 0;
  padding-block: 1rem;
  color: var(--clay-deep);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.guide-contents ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: guide-contents;
}

.guide-contents li { counter-increment: guide-contents; }

.guide-contents a {
  display: grid;
  min-height: 48px;
  padding-block: 0.75rem;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  border-top: 1px solid var(--rule);
  color: var(--charcoal);
  font-size: 0.84rem;
  font-weight: 640;
  text-decoration: none;
}

.guide-contents a::before {
  color: var(--clay-deep);
  content: counter(guide-contents, decimal-leading-zero);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.guide-contents a:hover,
.guide-contents a:focus-visible { color: var(--clay-deep); }

.guide-article__body > section {
  scroll-margin-top: 7rem;
  border-top: 1px solid var(--rule);
}

.guide-section-grid,
.guide-resource-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(420px, 1.28fr);
  gap: clamp(4rem, 10vw, 10rem);
}

.guide-section-heading {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  align-items: start;
  gap: 1rem;
}

.guide-section-heading > span {
  padding-top: 0.55rem;
  color: var(--clay-deep);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.1em;
}

.guide-section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 3.7rem);
}

.guide-section-copy {
  max-width: 760px;
  font-size: clamp(1.05rem, 1.35vw, 1.18rem);
  line-height: 1.72;
}

.guide-section-copy ul,
.guide-sources ul {
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
  list-style: none;
}

.guide-section-copy li,
.guide-sources li {
  padding: 0.9rem 0 0.9rem 1.6rem;
  border-bottom: 1px solid var(--rule);
}

.guide-section-copy li::before {
  float: left;
  margin-left: -1.6rem;
  color: var(--clay-deep);
  content: "—";
}

.guide-resource-grid h2 { max-width: 600px; }

.guide-resource-grid > div:last-child > p {
  max-width: 720px;
  color: var(--muted);
}

.guide-sources a {
  color: var(--petrol);
  font-weight: 650;
  text-underline-offset: 0.2em;
}

.guide-related__links {
  display: grid;
  align-content: start;
}

.guide-related__links .text-link {
  min-height: 52px;
  padding-block: 0.8rem;
  border-top: 1px solid var(--rule);
}

.guide-related__links .text-link:last-child { border-bottom: 1px solid var(--rule); }

@media (max-width: 900px) {
  .guide-article__header-grid,
  .guide-article__opening-grid,
  .guide-section-grid,
  .guide-resource-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .guide-contents { position: static; }
}

@media (max-width: 800px) {
  .guide-library__grid { grid-template-columns: 1fr; }
  .guide-library__grid article:first-child { grid-column: auto; }
  .guide-library__grid article > a { min-height: 320px; }
}