.page-about {
  --about-card-bg: #FBF8F1;
  --about-timeline-line: #D8CFC0;
  background-color: var(--paper);
  color: var(--ink);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--ink);
  color: var(--paper);
  padding: 2.75rem 0 4.5rem;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -36px;
  width: 116%;
  height: 48px;
  background-color: var(--orange);
  transform: rotate(-2deg);
  z-index: 0;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.page-about .about-hero-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.page-about .about-kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0.75rem;
  font-family: var(--font-anno);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--bright-orange);
}

.page-about .about-kicker-line {
  display: inline-block;
  width: 2rem;
  height: 1px;
  background-color: var(--gold);
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  max-width: 12em;
}

.page-about .about-hero-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--deep-paper);
  max-width: 46rem;
  margin: 0;
}

.page-about .about-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.page-about .about-hero-side {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.page-about .about-hero-rotated {
  font-family: var(--font-anno);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.35em;
  font-size: 0.9rem;
  color: var(--gold);
  white-space: nowrap;
  padding: 0.25rem 0;
}

.page-about .about-hero-est {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.28em;
  color: #FFFFFF;
}

.page-about .about-layout {
  display: block;
  padding-top: 1.5rem;
  padding-bottom: 1rem;
}

.page-about .about-chapter-nav {
  margin: 0 0 2rem;
  background-color: var(--deep-paper);
  border-top: 3px solid var(--orange);
  padding: 1rem 1.25rem;
}

.page-about .about-chapter-label {
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
  margin: 0 0 0.5rem;
}

.page-about .about-chapter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-about .about-chapter-item a {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid rgba(26, 26, 26, 0.12);
  transition: color 0.2s;
}

.page-about .about-chapter-item a:hover {
  color: var(--orange);
}

.page-about .about-chapter-num {
  font-family: var(--font-anno);
  font-weight: 900;
  font-size: 0.8rem;
  color: var(--orange);
}

.page-about .about-chapter-note {
  font-family: var(--font-anno);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--gray);
  margin: 0.75rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(26, 26, 26, 0.2);
}

.page-about .about-main {
  min-width: 0;
}

.page-about .about-section {
  padding: 2rem 0 0.5rem;
}

.page-about .about-section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--gold);
}

.page-about .about-section-num {
  font-family: var(--font-anno);
  font-weight: 900;
  font-size: 2.25rem;
  line-height: 0.8;
  color: var(--orange);
}

.page-about .about-section-head h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1.15;
  margin: 0;
}

.page-about .about-section-anno {
  margin-left: auto;
  font-family: var(--font-anno);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--gray);
  white-space: nowrap;
}

.page-about .about-section-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray);
  max-width: 54rem;
  margin: 0;
}

.page-about .about-point-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0 1.25rem;
}

.page-about .about-point-card {
  background-color: var(--about-card-bg);
  border: 1px solid var(--deep-paper);
  border-left: 4px solid var(--orange);
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  box-shadow: 2px 2px 0 var(--deep-paper);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-point-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--deep-paper);
}

.page-about .about-point-num {
  display: block;
  font-family: var(--font-anno);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--blue);
  margin-bottom: 0.5rem;
}

.page-about .about-point-card h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.page-about .about-point-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.page-about .about-position-note {
  margin-top: 0.5rem;
}

.page-about .about-data-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.page-about .about-stat {
  position: relative;
  overflow: hidden;
  background-color: var(--ink);
  color: var(--paper);
  padding: 1rem 0.75rem 0.9rem;
  text-align: center;
}

.page-about .about-stat::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background-color: var(--orange);
  transform: skewX(-24deg);
  transform-origin: left;
}

.page-about .about-stat-num {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.6rem;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}

.page-about .about-stat-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--bright-orange);
}

.page-about .about-tabs {
  margin: 1.75rem 0 0;
}

.page-about .about-tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-about .about-tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--deep-paper);
}

.page-about .about-tab-btn {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1.2;
  padding: 0.55rem 0.9rem;
  background-color: var(--paper);
  border: 1px solid var(--deep-paper);
  border-bottom: none;
  color: var(--gray);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.page-about .about-tab-btn:hover {
  background-color: var(--deep-paper);
}

.page-about .about-tab-panel {
  background-color: var(--about-card-bg);
  border: 1px solid var(--deep-paper);
  border-top: none;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.page-about .about-tab-panel h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.page-about .about-tab-panel p {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--gray);
  margin: 0 0 0.75rem;
}

.page-about .about-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-about .about-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--gray);
  margin-bottom: 0.35rem;
}

.page-about .about-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  background-color: var(--gold);
  transform: rotate(45deg);
}

.page-about .about-data-figure,
.page-about .about-team-figure {
  margin: 0.5rem 0 1.5rem;
  background-color: var(--about-card-bg);
  border: 1px solid var(--deep-paper);
  padding: 0.5rem 0.5rem 0.25rem;
}

.page-about .about-data-img,
.page-about .about-history-img,
.page-about .about-team-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-data-img {
  aspect-ratio: 3 / 2;
}

.page-about .about-history-img {
  aspect-ratio: 16 / 5;
}

.page-about .about-team-img {
  aspect-ratio: 4 / 3;
}

.page-about .about-figure-caption {
  font-family: var(--font-anno);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--gray);
  padding: 0.6rem 0.25rem 0.25rem;
}

.page-about .about-history-banner {
  margin: 1.5rem 0 1.75rem;
}

.page-about .about-timeline {
  margin-top: 0.5rem;
}

.page-about .about-tl-item {
  position: relative;
  border-left: 3px solid var(--gold);
  margin: 0 0 1rem 0.5rem;
  padding-left: 1.25rem;
}

.page-about .about-tl-item::before {
  content: "";
  position: absolute;
  left: -0.5rem;
  top: 0.65rem;
  width: 0.75rem;
  height: 0.75rem;
  background-color: var(--orange);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
}

.page-about .about-tl-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  padding: 0.4rem 0;
}

.page-about .about-tl-item summary::-webkit-details-marker {
  display: none;
}

.page-about .about-tl-year {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--orange);
}

.page-about .about-tl-title {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.4;
}

.page-about .about-tl-toggle {
  margin-left: auto;
  display: inline-block;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--gold);
  font-weight: 700;
  transition: transform 0.25s ease;
}

.page-about .about-tl-item[open] .about-tl-toggle {
  transform: rotate(45deg);
}

.page-about .about-tl-detail {
  padding-top: 0.5rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--gray);
  max-width: 32rem;
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-about .about-team-list {
  margin: 1.25rem 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team-list > div {
  background-color: var(--about-card-bg);
  border-left: 3px solid var(--blue);
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
}

.page-about .about-team-list dt {
  font-weight: 900;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-about .about-team-list dd {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-about .about-team-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.page-about .about-agenda {
  padding-top: 2rem;
  padding-bottom: 3.5rem;
}

.page-about .about-agenda-text {
  margin: 0;
  background-color: var(--ink);
  color: var(--paper);
  border-left: 6px solid var(--orange);
  padding: 1.5rem 1.5rem 1.5rem 2rem;
  font-size: 0.95rem;
  line-height: 1.9;
}

.page-about .about-agenda-text strong {
  color: var(--bright-orange);
}

.page-about .about-agenda-text a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-agenda-text a:hover {
  color: var(--bright-orange);
}

@supports selector(:has(*)) {
  .page-about .about-tab-panel {
    display: none;
  }

  .page-about .about-tabs:has(#tabClubs:checked) #panelClubs,
  .page-about .about-tabs:has(#tabVenues:checked) #panelVenues,
  .page-about .about-tabs:has(#tabBattles:checked) #panelBattles,
  .page-about .about-tabs:has(#tabTransfers:checked) #panelTransfers {
    display: block;
  }

  .page-about .about-tabs:has(#tabClubs:checked) label[for="tabClubs"],
  .page-about .about-tabs:has(#tabVenues:checked) label[for="tabVenues"],
  .page-about .about-tabs:has(#tabBattles:checked) label[for="tabBattles"],
  .page-about .about-tabs:has(#tabTransfers:checked) label[for="tabTransfers"] {
    background-color: var(--orange);
    border-color: var(--orange);
    color: #FFFFFF;
  }
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 4.5rem 0 6rem;
  }

  .page-about .about-hero-inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-about .about-hero-side {
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-end;
    gap: 0.5rem;
  }

  .page-about .about-section-head h2 {
    font-size: 1.8rem;
  }

  .page-about .about-section-num {
    font-size: 2.75rem;
  }

  .page-about .about-point-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-about .about-data-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .page-about .about-tab-btn {
    font-size: 0.9rem;
    padding: 0.6rem 1.1rem;
  }

  .page-about .about-tab-panel {
    padding: 1.5rem;
  }

  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-about .about-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 2.5rem;
    padding-top: 2.5rem;
  }

  .page-about .about-chapter-nav {
    position: sticky;
    top: 7rem;
    align-self: start;
    margin: 0;
  }

  .page-about .about-main {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-point-card,
  .page-about .about-tl-toggle {
    transition: none;
  }
}