.page-about {
  --about-gutter: clamp(18px, 4vw, 56px);
  --about-shadow: 0 22px 48px -30px rgba(0, 0, 0, .7);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  padding-block: clamp(26px, 4vw, 44px) clamp(48px, 7vw, 88px);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(198, 255, 0, .07), transparent 58%),
    var(--night);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--kiwi), var(--lime) 42%, transparent 88%);
  opacity: .85;
}

.page-about .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .about-hero__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-about .about-hero__narrative h1 {
  font-family: var(--f-display);
  font-size: clamp(2.1rem, 6.4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--white);
  margin: 10px 0 18px;
}

.page-about .about-hero__narrative .u-lead {
  color: rgba(255, 255, 255, .82);
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.06rem);
}

.page-about .about-hero__narrative .stamp {
  color: var(--kiwi);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: clamp(24px, 3.4vw, 36px) 0 clamp(22px, 3vw, 30px);
  border-top: 1px solid rgba(139, 195, 74, .28);
  border-bottom: 1px solid rgba(139, 195, 74, .28);
  padding-block: 16px;
}

.page-about .about-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-about .about-fact__num {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 4.2vw, 2.5rem);
  line-height: 1;
  color: var(--lime);
  letter-spacing: -.02em;
}

.page-about .about-fact__label {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .66);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__figure {
  margin: 0;
}

/* ---------- shared rail layout ---------- */
.page-about .about-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.page-about .about-rail__gutter {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 3px solid var(--leaf);
  padding-top: 12px;
}

.page-about .about-rail__mark {
  font-family: var(--f-display);
  font-size: 1.6rem;
  color: var(--leaf);
  letter-spacing: -.01em;
}

.page-about .about-rail__line {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.page-about .about-rail__city {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--clay);
}

.page-about .about-rail__body p {
  max-width: 68ch;
}

.page-about .about-annot {
  margin-top: clamp(18px, 2.6vw, 26px);
  padding-left: 16px;
  border-left: 3px solid var(--kiwi);
  color: var(--leaf);
  font-size: 1.02rem;
  max-width: 46ch;
}

/* ---------- section intro ---------- */
.page-about .about-secintro {
  font-family: var(--f-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--clay);
  max-width: 60ch;
  margin-top: 8px;
}

.page-about .section-head--dark .about-secintro {
  color: rgba(255, 255, 255, .62);
}

/* ---------- city accordion ---------- */
.page-about .about-cities {
  margin-top: clamp(24px, 3.6vw, 40px);
  border-top: 1px solid rgba(139, 195, 74, .3);
}

.page-about .about-city {
  border-bottom: 1px solid rgba(139, 195, 74, .22);
}

.page-about .about-city__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 18px 4px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--white);
  transition: background var(--t), padding var(--t);
}

.page-about .about-city__head:hover {
  background: rgba(198, 255, 0, .07);
  padding-inline: 12px;
}

.page-about .about-city__head:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-about .about-city__idx {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-about .about-city__name {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
}

.page-about .about-city__scope {
  display: none;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--kiwi);
}

.page-about .about-city__sign {
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
}

.page-about .about-city__sign::before,
.page-about .about-city__sign::after {
  content: "";
  position: absolute;
  background: var(--kiwi);
  transition: transform var(--t), opacity var(--t);
}

.page-about .about-city__sign::before {
  left: 0; right: 0; top: 7px; height: 2px;
}

.page-about .about-city__sign::after {
  top: 0; bottom: 0; left: 7px; width: 2px;
}

.page-about .about-city__head[aria-expanded="true"] .about-city__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-about .about-city__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t);
}

.page-about .about-city__head[aria-expanded="true"] + .about-city__body {
  grid-template-rows: 1fr;
}

.page-about .about-city__body-inner {
  overflow: hidden;
  min-height: 0;
}

.page-about .about-city__body-inner p {
  color: rgba(255, 255, 255, .78);
  padding-bottom: 12px;
  max-width: 66ch;
}

.page-about .about-city__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-city__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
}

.page-about .about-city__list .stamp {
  color: rgba(198, 255, 0, .82);
}

.page-about .about-handline {
  margin-top: clamp(26px, 3.6vw, 40px);
  color: var(--kiwi);
  font-size: 1.05rem;
  max-width: 40ch;
}

/* ---------- flow timeline ---------- */
.page-about .about-flow {
  list-style: none;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  position: relative;
}

.page-about .about-flow__step {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 2px solid var(--rule);
}

.page-about .about-flow__step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-about .about-flow__dot {
  position: absolute;
  left: -9px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--kiwi);
  box-sizing: border-box;
}

.page-about .about-flow__step:last-child .about-flow__dot {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 0 6px rgba(198, 255, 0, .22);
}

.page-about .about-flow__step-num {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--clay);
}

.page-about .about-flow__step h3 {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 1.16rem;
  margin: 4px 0 6px;
  color: var(--night);
}

.page-about .about-flow__step p {
  font-size: 15px;
  max-width: 58ch;
  color: #33404a;
}

.page-about .about-flow__figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

/* ---------- seasons ---------- */
.page-about .about-season-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(22px, 3.4vw, 36px);
}

.page-about .about-season-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-season-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 6px 12px;
  border-radius: var(--pill);
  border: 1px solid rgba(139, 195, 74, .5);
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--kiwi);
  text-decoration: none;
  transition: background var(--t), color var(--t), border-color var(--t);
}

.page-about .about-season-nav a:hover,
.page-about .about-season-nav a:focus-visible {
  background: rgba(139, 195, 74, .16);
  border-color: var(--kiwi);
  color: var(--white);
  outline: none;
}

.page-about .about-season-nav .is-current a {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--deep);
  font-weight: 700;
}

.page-about .about-season-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-about .about-season {
  position: relative;
  padding: 16px 0 16px 0;
  border-top: 1px solid rgba(139, 195, 74, .2);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
}

.page-about .about-season__tag {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime);
  grid-row: span 2;
  padding-top: 4px;
}

.page-about .about-season h3 {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--white);
  margin: 0 0 4px;
}

.page-about .about-season p {
  font-size: 14.5px;
  color: rgba(255, 255, 255, .72);
  max-width: 62ch;
  grid-column: 2;
}

.page-about .about-season.is-current {
  background: linear-gradient(90deg, rgba(198, 255, 0, .1), transparent 72%);
  padding-inline: 12px;
}

.page-about .about-season.is-current h3 {
  color: var(--lime);
}

/* ---------- field dictionary ---------- */
.page-about .about-dict {
  margin-top: clamp(22px, 3.4vw, 34px);
  border-top: 2px solid var(--leaf);
}

.page-about .about-dict__group {
  border-bottom: 1px solid var(--rule);
}

.page-about .about-dict__head {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 16px 2px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--night);
  transition: background var(--t);
}

.page-about .about-dict__head:hover {
  background: rgba(139, 195, 74, .14);
}

.page-about .about-dict__head:focus-visible {
  outline: 2px solid var(--leaf);
  outline-offset: -2px;
}

.page-about .about-dict__cat {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 1.08rem;
}

.page-about .about-dict__count {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--clay);
}

.page-about .about-dict__sign {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-about .about-dict__sign::before,
.page-about .about-dict__sign::after {
  content: "";
  position: absolute;
  background: var(--leaf);
  transition: transform var(--t), opacity var(--t);
}

.page-about .about-dict__sign::before { left: 0; right: 0; top: 6px; height: 2px; }
.page-about .about-dict__sign::after { top: 0; bottom: 0; left: 6px; width: 2px; }

.page-about .about-dict__head[aria-expanded="true"] .about-dict__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-about .about-dict__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t);
}

.page-about .about-dict__head[aria-expanded="true"] + .about-dict__body {
  grid-template-rows: 1fr;
}

.page-about .about-dict__body-inner {
  overflow: hidden;
  min-height: 0;
}

.page-about .about-dict__body-inner .ledger {
  margin-bottom: 18px;
}

/* ---------- status explainer ---------- */
.page-about .about-states {
  margin-top: clamp(30px, 4vw, 48px);
  padding: clamp(20px, 3vw, 30px);
  background: var(--paper-2);
  border-radius: var(--r-lg);
}

.page-about .about-states h3 {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--night);
  margin: 0 0 16px;
}

.page-about .about-states__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .about-states__list li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.page-about .about-states__list p {
  font-size: 14.5px;
  color: #3a444c;
  margin: 0;
  max-width: 44ch;
}

/* ---------- community ---------- */
.page-about .about-community__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-about .about-community__text p {
  color: rgba(255, 255, 255, .8);
  max-width: 58ch;
  margin-bottom: 14px;
}

.page-about .about-community__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-about .about-community__figure {
  margin: 0;
}

/* ---------- cta ---------- */
.page-about .about-cta {
  padding-block: clamp(34px, 5vw, 60px);
}

.page-about .about-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: center;
}

.page-about .about-cta h2 {
  font-family: var(--f-display);
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.08;
  color: var(--paper);
  letter-spacing: -.01em;
  margin: 0 0 8px;
}

.page-about .about-cta p {
  color: rgba(245, 241, 230, .82);
  max-width: 48ch;
  margin: 0;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta__meta {
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 16px;
  border-top: 1px solid rgba(245, 241, 230, .24);
  color: rgba(245, 241, 230, .74);
  display: block;
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-about .about-city__scope {
    display: inline;
  }

  .page-about .about-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-about .about-flow__step:nth-child(4) {
    border-left-color: var(--rule);
  }

  .page-about .about-states__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 960px) {
  .page-about .about-rail {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: clamp(26px, 3vw, 48px);
  }

  .page-about .about-rail__gutter {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    border-top: 0;
    border-left: 3px solid var(--leaf);
    padding: 4px 0 4px 16px;
    position: sticky;
    top: 128px;
    align-self: start;
  }

  .page-about .about-rail__mark {
    font-size: 2.4rem;
  }

  .page-about .about-rail__line {
    width: 1px;
    height: 90px;
    flex: none;
    background: var(--rule);
  }

  .page-about .about-rail__city {
    writing-mode: vertical-rl;
    letter-spacing: .3em;
  }

  .page-about .about-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: 18px;
  }

  .page-about .about-flow__step {
    border-left: 0;
    border-top: 2px solid var(--rule);
    padding: 20px 0 0;
  }

  .page-about .about-flow__step:nth-child(4) {
    border-left: 0;
  }

  .page-about .about-flow__dot {
    left: 0;
    top: -9px;
  }

  .page-about .about-season-layout {
    grid-template-columns: 150px minmax(0, 1fr);
  }

  .page-about .about-season-nav ul {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
    position: sticky;
    top: 128px;
  }

  .page-about .about-season-nav a {
    width: 100%;
    justify-content: flex-start;
  }

  .page-about .about-community__split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-about .about-flow__figure {
    max-width: 880px;
    margin-inline: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 1ms !important;
  }
}