.guide-page {
  background: #f7faf9;
}

.guide-hero {
  position: relative;
  min-height: 650px;
  display: flex;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: var(--guide-hero) center / cover no-repeat;
}

.guide-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 19, 31, .96) 0%, rgba(4, 20, 32, .82) 42%, rgba(4, 20, 32, .24) 78%, rgba(4, 20, 32, .12) 100%);
}

.guide-hero .shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 48px), var(--max));
  padding-top: 170px;
  padding-bottom: 74px;
}

.guide-hero-copy {
  max-width: 790px;
}

.guide-hero .breadcrumbs {
  margin-bottom: 30px;
}

.guide-hero h1,
.guide-hub-intro h1,
.guide-section h2,
.guide-related h2,
.guide-source-heading h2 {
  font-family: "Archivo", sans-serif;
  font-weight: 850;
  letter-spacing: -.055em;
  line-height: .98;
}

.guide-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(56px, 7vw, 96px);
}

.guide-hero-copy > p {
  max-width: 660px;
  margin: 26px 0 0;
  color: rgba(255,255,255,.78);
  font-size: 18px;
  line-height: 1.72;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 31px;
  color: rgba(255,255,255,.68);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.guide-answer {
  padding: 82px 0;
  background: #fff;
}

.guide-answer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(330px, .62fr);
  align-items: start;
  gap: clamp(54px, 8vw, 120px);
}

.guide-answer h2 {
  max-width: 760px;
  margin: 12px 0 25px;
  color: var(--ink-2);
  font: 850 clamp(39px, 5vw, 68px)/1 "Archivo", sans-serif;
  letter-spacing: -.055em;
}

.guide-answer-copy > p {
  max-width: 780px;
  margin: 0 0 18px;
  color: #4f6674;
  font-size: 17px;
  line-height: 1.78;
}

.guide-answer-copy > p strong {
  color: var(--ink-2);
}

.guide-takeaway {
  padding: 30px;
  border-top: 5px solid var(--green);
  background: var(--ink-2);
  color: #fff;
  box-shadow: 0 24px 60px rgba(5,27,39,.14);
}

.guide-takeaway > span {
  color: var(--green);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.guide-takeaway strong {
  display: block;
  margin-top: 18px;
  font: 800 24px/1.18 "Archivo", sans-serif;
  letter-spacing: -.035em;
}

.guide-takeaway p {
  margin: 16px 0 0;
  color: rgba(255,255,255,.68);
  font-size: 13px;
  line-height: 1.68;
}

.guide-at-a-glance {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: #fff;
}

.guide-at-a-glance > div {
  min-height: 165px;
  padding: 27px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.guide-at-a-glance span {
  color: var(--green-dark);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.guide-at-a-glance strong {
  display: block;
  margin-top: 32px;
  color: var(--ink-2);
  font: 800 18px/1.25 "Archivo", sans-serif;
  letter-spacing: -.025em;
}

.guide-body {
  padding: 98px 0;
  background: #f5f8f7;
}

.guide-body-grid {
  display: grid;
  grid-template-columns: 245px minmax(0, 820px);
  justify-content: space-between;
  gap: clamp(55px, 9vw, 150px);
}

.guide-nav {
  position: sticky;
  top: 100px;
  align-self: start;
  padding: 22px 0;
  border-top: 2px solid var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.guide-nav > span {
  display: block;
  margin-bottom: 15px;
  color: var(--green-dark);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.guide-nav a {
  display: block;
  padding: 9px 0;
  color: #526773;
  font-size: 12px;
  font-weight: 750;
}

.guide-nav a:hover {
  color: var(--green-dark);
}

.guide-section {
  scroll-margin-top: 100px;
  margin-bottom: 88px;
}

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

.guide-section > span {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--green-dark);
  color: #fff;
  font-size: 11px;
  font-weight: 850;
}

.guide-section h2 {
  max-width: 720px;
  margin: 23px 0 28px;
  color: var(--ink-2);
  font-size: clamp(36px, 4.4vw, 58px);
}

.guide-section h3 {
  margin: 37px 0 12px;
  color: var(--ink-2);
  font-size: 22px;
  letter-spacing: -.025em;
}

.guide-section p,
.guide-section li,
.guide-section dd {
  color: #506875;
  font-size: 15px;
  line-height: 1.78;
}

.guide-section p {
  margin: 0 0 19px;
}

.guide-section a,
.guide-sources a {
  color: #087f54;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.guide-section ul,
.guide-section ol {
  margin: 23px 0;
  padding-left: 22px;
}

.guide-section li {
  margin: 10px 0;
  padding-left: 7px;
}

.guide-note {
  margin: 28px 0;
  padding: 21px 24px;
  border-left: 4px solid var(--green-dark);
  background: #e8f2ef;
}

.guide-note.is-caution {
  border-color: #c87522;
  background: #fff4e6;
}

.guide-note strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-2);
}

.guide-note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
}

.rating-table,
.terrain-grid,
.anchor-grid,
.guide-check-grid {
  display: grid;
  margin: 30px 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.rating-table {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.rating-table article,
.terrain-grid article,
.anchor-grid article,
.guide-check-grid article {
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.rating-table article > span,
.terrain-grid article > span,
.anchor-grid article > span,
.guide-check-grid article > span {
  color: var(--green-dark);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.rating-table h3,
.terrain-grid h3,
.anchor-grid h3,
.guide-check-grid h3 {
  margin: 22px 0 9px;
  font-size: 19px;
}

.rating-table p,
.terrain-grid p,
.anchor-grid p,
.guide-check-grid p {
  margin: 0;
  font-size: 12px;
  line-height: 1.62;
}

.rating-table .is-danger {
  background: #fff5ed;
}

.rating-table .is-danger > span {
  color: #ad531b;
}

.terrain-grid,
.anchor-grid,
.guide-check-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.guide-equation {
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(280px, 1fr);
  align-items: center;
  gap: 35px;
  margin: 30px 0;
  padding: 30px;
  color: #fff;
  background: var(--ink-2);
}

.guide-equation strong {
  font: 850 clamp(32px, 4vw, 48px)/1 "Archivo", sans-serif;
  letter-spacing: -.045em;
}

.guide-equation p {
  margin: 0;
  color: rgba(255,255,255,.7);
  font-size: 13px;
}

.guide-sources {
  padding: 86px 0;
  color: #fff;
  background: var(--ink-2);
}

.guide-faq {
  padding: 82px 0;
  background: #fff;
}

.guide-faq h2 {
  max-width: 760px;
  margin: 10px 0 30px;
  color: var(--ink);
}

.guide-faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.guide-faq-list details {
  align-self: start;
  border: 1px solid rgba(24, 48, 42, .13);
  border-radius: 18px;
  background: #f8faf7;
  overflow: hidden;
}

.guide-faq-list summary {
  position: relative;
  padding: 20px 54px 20px 22px;
  color: var(--ink);
  font-weight: 780;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
}

.guide-faq-list summary::-webkit-details-marker { display: none; }

.guide-faq-list summary::after {
  content: "+";
  position: absolute;
  top: 16px;
  right: 20px;
  color: var(--pine);
  font-size: 1.45rem;
  font-weight: 500;
}

.guide-faq-list details[open] summary::after { content: "−"; }

.guide-faq-list p {
  margin: 0;
  padding: 0 22px 22px;
  color: #50645e;
  line-height: 1.7;
}

.guide-source-heading {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(300px, .6fr);
  align-items: end;
  gap: 70px;
  margin-bottom: 38px;
}

.guide-source-heading h2 {
  margin: 10px 0 0;
  font-size: clamp(42px, 5vw, 68px);
}

.guide-source-heading p {
  margin: 0;
  color: rgba(255,255,255,.66);
  font-size: 14px;
  line-height: 1.7;
}

.guide-source-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255,255,255,.18);
  border-left: 1px solid rgba(255,255,255,.18);
}

.guide-source-list a {
  min-height: 150px;
  padding: 25px;
  border-right: 1px solid rgba(255,255,255,.18);
  border-bottom: 1px solid rgba(255,255,255,.18);
  color: #fff;
  text-decoration: none;
}

.guide-source-list a:hover {
  background: rgba(255,255,255,.05);
}

.guide-source-list strong,
.guide-source-list span {
  display: block;
}

.guide-source-list strong {
  font: 800 17px/1.25 "Archivo", sans-serif;
}

.guide-source-list span {
  margin-top: 12px;
  color: rgba(255,255,255,.62);
  font-size: 11px;
  line-height: 1.6;
}

.guide-related {
  padding: 90px 0;
  background: #fff;
}

.guide-related h2 {
  max-width: 720px;
  margin: 8px 0 35px;
  color: var(--ink-2);
  font-size: clamp(40px, 5vw, 66px);
}

.guide-related-grid,
.guide-hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.guide-card {
  position: relative;
  min-height: 390px;
  display: flex;
  overflow: hidden;
  padding: 30px;
  align-items: end;
  color: #fff;
  background: var(--card-image) center / cover no-repeat;
}

.guide-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4,20,32,.08), rgba(4,20,32,.9));
}

.guide-card > span {
  position: relative;
  z-index: 1;
}

.guide-card small,
.guide-card strong,
.guide-card b {
  display: block;
}

.guide-card small {
  color: var(--green);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.guide-card strong {
  max-width: 520px;
  margin-top: 12px;
  font: 800 clamp(28px, 3.5vw, 42px)/1.02 "Archivo", sans-serif;
  letter-spacing: -.045em;
}

.guide-card b {
  margin-top: 22px;
  font-size: 12px;
}

.guide-hub-intro {
  padding: 160px 0 85px;
  color: #fff;
  background: var(--ink-2);
}

.guide-hub-intro h1 {
  max-width: 900px;
  margin: 19px 0 25px;
  font-size: clamp(58px, 8vw, 108px);
}

.guide-hub-intro p {
  max-width: 670px;
  margin: 0;
  color: rgba(255,255,255,.7);
  font-size: 18px;
  line-height: 1.7;
}

.guide-hub-list {
  padding: 82px 0 96px;
  background: #f5f8f7;
}

.guide-hub-list .guide-hub-grid {
  margin-top: 38px;
}

.guide-hub-method {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  margin-top: 20px;
  padding: 30px;
  border: 1px solid var(--line);
  background: #fff;
}

.guide-hub-method h2 {
  margin: 0 0 8px;
  color: var(--ink-2);
  font-size: 24px;
}

.guide-hub-method p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .guide-answer-grid,
  .guide-source-heading { grid-template-columns: 1fr; }
  .guide-at-a-glance { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-body-grid { grid-template-columns: 1fr; }
  .guide-nav { position: static; display: flex; flex-wrap: wrap; gap: 2px 18px; }
  .guide-nav > span { width: 100%; }
}

@media (max-width: 680px) {
  .guide-hero { min-height: 610px; background-position: 60% center; }
  .guide-hero .shell { width: min(calc(100% - 32px), var(--max)); padding-top: 135px; padding-bottom: 48px; }
  .guide-hero h1 { font-size: clamp(50px, 14vw, 68px); }
  .guide-hero-copy > p { font-size: 15px; }
  .guide-answer { padding: 62px 0; }
  .guide-answer-grid { gap: 35px; }
  .guide-at-a-glance,
  .rating-table,
  .terrain-grid,
  .anchor-grid,
  .guide-check-grid,
  .guide-source-list,
  .guide-faq-list,
  .guide-related-grid,
  .guide-hub-grid { grid-template-columns: 1fr; }
  .guide-at-a-glance > div { min-height: 130px; }
  .guide-at-a-glance strong { margin-top: 20px; }
  .guide-body { padding: 70px 0; }
  .guide-section { margin-bottom: 68px; }
  .guide-equation { grid-template-columns: 1fr; gap: 18px; padding: 24px; }
  .guide-source-heading { gap: 20px; }
  .guide-card { min-height: 330px; }
  .guide-hub-intro { padding: 130px 0 68px; }
  .guide-hub-method { grid-template-columns: 1fr; }
}