:root {
  --guide-reading: 760px;
}

.mode-links {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1rem;
  margin-top: 1.35rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.mode-links a,
.learning-card .card-link,
.guide-related-card span {
  color: var(--gold-light);
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-decoration: none;
  text-transform: uppercase;
}

.mode-links a:hover,
.mode-links a:focus-visible,
.learning-card:hover .card-link,
.learning-card:focus-visible .card-link {
  color: var(--text);
}

.learning-library {
  margin-top: clamp(4rem, 7vw, 6.5rem);
  padding-top: clamp(3rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line);
}

.learning-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr);
  gap: 2rem 4rem;
  align-items: end;
  margin-bottom: 2rem;
}

.learning-heading h3 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.25rem, 4vw, 3.8rem);
}

.learning-heading p:last-child {
  margin: 0;
  color: var(--muted);
}

.learning-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.learning-card {
  position: relative;
  display: flex;
  min-height: 220px;
  flex-direction: column;
  padding: 1.6rem;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(24, 75, 58, .2), rgba(13, 18, 15, .96));
  color: inherit;
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease;
}

.learning-card:hover,
.learning-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(241, 210, 127, .58);
}

.learning-card.lesson {
  border-top: 2px solid var(--gold);
}

.learning-card .card-type {
  margin-bottom: 1.6rem;
  color: #7f847d;
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.learning-card h4 {
  margin: 0 0 .75rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
  font-weight: 500;
  line-height: 1.05;
}

.learning-card p {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: .9rem;
}

.learning-card .card-link {
  margin-top: auto;
}

.guide-page {
  background:
    radial-gradient(circle at 85% 10%, rgba(23, 76, 57, .18), transparent 32rem),
    var(--bg);
}

.guide-page .topbar {
  position: absolute;
}

.guide-hero {
  position: relative;
  display: grid;
  min-height: clamp(620px, 78svh, 760px);
  align-items: end;
  overflow: hidden;
}

.guide-hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.guide-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(3, 5, 4, .98) 0%, rgba(3, 5, 4, .9) 42%, rgba(3, 5, 4, .25) 78%),
    linear-gradient(0deg, rgba(3, 5, 4, .96) 0%, transparent 52%);
}

.guide-hero-inner {
  position: relative;
  z-index: 1;
  width: min(calc(100% - (var(--gutter) * 2)), var(--content));
  margin: 0 auto;
  padding: 9.5rem 0 5.5rem;
}

.guide-toolbar {
  display: flex;
  max-width: 820px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  color: #aaa99f;
  font-size: .66rem;
  font-weight: 750;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.breadcrumbs a {
  text-decoration: none;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: var(--gold-light);
}

.language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  padding: .2rem;
  border: 1px solid rgba(241, 210, 127, .32);
  background: rgba(5, 8, 6, .72);
}

.language-switch a,
.language-switch span {
  min-width: 2.25rem;
  padding: .36rem .5rem;
  color: #aaa99f;
  font-size: .62rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-align: center;
  text-decoration: none;
}

.language-switch .current {
  background: var(--gold);
  color: #10110e;
}

.guide-hero h1 {
  max-width: 900px !important;
  margin-bottom: 1.3rem;
  font-size: clamp(3.25rem, 6.2vw, 6rem);
}

.guide-lead {
  max-width: 720px;
  margin-bottom: 0;
  color: #d6d2c8;
  font-size: clamp(1.05rem, 1.55vw, 1.28rem);
  line-height: 1.65;
}

.guide-facts {
  position: relative;
  z-index: 2;
  display: grid;
  width: min(calc(100% - (var(--gutter) * 2)), var(--content));
  grid-template-columns: repeat(4, 1fr);
  margin: -1px auto 0;
  padding: 0;
  border: 1px solid var(--line);
  background: rgba(10, 14, 11, .96);
}

.guide-facts div {
  min-height: 112px;
  padding: 1.45rem 1.7rem;
  border-left: 1px solid var(--line);
}

.guide-facts div:first-child {
  border-left: 0;
}

.guide-facts dt {
  margin-bottom: .35rem;
  color: var(--gold-light);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.1;
}

.guide-facts dd {
  margin: 0;
  color: #85877f;
  font-size: .64rem;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.guide-layout {
  display: grid;
  width: min(calc(100% - (var(--gutter) * 2)), var(--content));
  grid-template-columns: 220px minmax(0, var(--guide-reading));
  gap: clamp(3rem, 7vw, 7rem);
  margin: 0 auto;
  padding: clamp(5rem, 8vw, 8rem) 0;
  justify-content: center;
}

.guide-toc {
  position: sticky;
  top: 2rem;
  align-self: start;
  padding: 1.25rem 0;
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--line);
}

.guide-toc strong {
  display: block;
  margin-bottom: 1rem;
  color: var(--gold-light);
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.guide-toc a {
  display: block;
  padding: .45rem 0;
  color: #aaa99f;
  font-size: .84rem;
  text-decoration: none;
}

.guide-toc a:hover,
.guide-toc a:focus-visible {
  color: var(--text);
}

.guide-content {
  min-width: 0;
}

.guide-section {
  padding: 0 0 4rem;
  scroll-margin-top: 2rem;
}

.guide-section + .guide-section {
  padding-top: 4rem;
  border-top: 1px solid var(--line);
}

.guide-section .section-number {
  display: block;
  margin-bottom: .9rem;
  color: rgba(241, 210, 127, .5);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
}

.guide-section h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(2.2rem, 4vw, 3.65rem);
}

.guide-section h3 {
  margin-top: 2rem;
  font-size: 1.55rem;
}

.guide-section p,
.guide-section li {
  color: #cbc8bf;
  font-size: 1.02rem;
  line-height: 1.8;
}

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

.guide-section ul,
.guide-section ol {
  margin: 1.4rem 0 0;
  padding-left: 1.25rem;
}

.guide-section li + li {
  margin-top: .65rem;
}

.guide-table-wrap {
  margin: 1.8rem 0;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.guide-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}

.guide-table th,
.guide-table td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.guide-table tr:last-child td {
  border-bottom: 0;
}

.guide-table th {
  background: rgba(216, 172, 76, .08);
  color: var(--gold-light);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.guide-table td {
  color: #cbc8bf;
  font-size: .9rem;
}

.guide-note {
  margin: 2rem 0;
  padding: 1.5rem 1.6rem;
  border-left: 2px solid var(--gold);
  background: linear-gradient(90deg, rgba(216, 172, 76, .1), rgba(216, 172, 76, .025));
}

.guide-note strong {
  display: block;
  margin-bottom: .45rem;
  color: var(--gold-light);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  font-weight: 500;
}

.guide-note p {
  margin: 0;
  font-size: .93rem;
}

.guide-sources {
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-sources li {
  padding: .8rem 0;
  border-bottom: 1px solid var(--line);
}

.guide-sources a {
  color: var(--gold-light);
  text-decoration-thickness: 1px;
  text-underline-offset: .25em;
}

.guide-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 1rem;
  padding: 2rem;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(23, 76, 57, .34), rgba(13, 18, 15, .94));
}

.guide-cta h2 {
  margin: 0 0 .45rem;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.guide-cta p {
  margin: 0;
  color: var(--muted);
}

.guide-related {
  width: min(calc(100% - (var(--gutter) * 2)), var(--content));
  margin: 0 auto;
  padding: 0 0 var(--section-space);
}

.guide-related > h2 {
  font-size: clamp(2.2rem, 4vw, 3.7rem);
}

.guide-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.guide-related-card {
  display: flex;
  min-height: 180px;
  flex-direction: column;
  padding: 1.6rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease;
}

.guide-related-card:hover,
.guide-related-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(241, 210, 127, .55);
}

.guide-related-card h3 {
  margin-bottom: .65rem;
}

.guide-related-card p {
  margin-bottom: 1.3rem;
  color: var(--muted);
  font-size: .9rem;
}

.guide-related-card span {
  margin-top: auto;
}

@media (max-width: 1050px) {
  .learning-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .guide-layout { grid-template-columns: 190px minmax(0, var(--guide-reading)); gap: 3.5rem; }
}

@media (max-width: 850px) {
  .learning-heading { grid-template-columns: 1fr; align-items: start; }
  .learning-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-facts { grid-template-columns: repeat(2, 1fr); }
  .guide-facts div:nth-child(odd) { border-left: 0; }
  .guide-facts div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .guide-layout { display: block; }
  .guide-toc { position: static; margin-bottom: 4rem; }
  .guide-toc nav { columns: 2; column-gap: 2rem; }
  .guide-related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .learning-grid { grid-template-columns: 1fr; }
  .learning-card { min-height: 190px; }
  .guide-hero { min-height: 650px; }
  .guide-toolbar { align-items: flex-start; flex-direction: column-reverse; }
  .guide-hero h1 { font-size: clamp(2.8rem, 14vw, 4.2rem); }
  .guide-facts { grid-template-columns: 1fr; }
  .guide-facts div,
  .guide-facts div:nth-child(odd) { min-height: 96px; border-top: 1px solid var(--line); border-left: 0; }
  .guide-facts div:first-child { border-top: 0; }
  .guide-toc nav { columns: 1; }
  .guide-section { padding-bottom: 3rem; }
  .guide-section + .guide-section { padding-top: 3rem; }
  .guide-cta { align-items: flex-start; flex-direction: column; }
}