.page-about {
  --page-about-num: clamp(72px, 18vw, 200px);
  --page-about-gold: #D4AF37;
  --page-about-gold-soft: rgba(212, 175, 55, 0.28);
  --page-about-orange-soft: rgba(255, 107, 53, 0.14);
  position: relative;
  overflow: hidden;
}

.page-about__section-number {
  position: absolute;
  top: 12px;
  right: -10px;
  font-family: var(--font-head);
  font-size: var(--page-about-num);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.06em;
  color: rgba(247, 243, 234, 0.05);
  pointer-events: none;
  user-select: none;
  z-index: 0;
  white-space: nowrap;
}

.page-about__section-number--grass { color: rgba(13, 59, 46, 0.1); }
.page-about__section-number--timeline { color: rgba(247, 243, 234, 0.05); }
.page-about__section-number--cream { color: rgba(13, 59, 46, 0.07); }

.page-about__hero {
  position: relative;
  color: var(--cream);
  background:
    radial-gradient(ellipse at 78% 18%, rgba(212, 175, 55, 0.16) 0%, transparent 52%),
    radial-gradient(ellipse at 18% 92%, rgba(255, 107, 53, 0.1) 0%, transparent 48%),
    var(--forest);
  padding: 28px 0 68px;
  overflow: hidden;
}

.page-about__crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 22px 0 8px;
  font-size: 0.85rem;
  color: rgba(247, 243, 234, 0.6);
}

.page-about__crumb a {
  color: rgba(247, 243, 234, 0.78);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-about__crumb a:hover { color: var(--gold); }

.page-about__hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
  padding-top: 24px;
}

.page-about__hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about__hero h1 .highlight { color: var(--gold); }

.page-about__hero-lead {
  font-family: var(--font-body);
  font-size: 1.06rem;
  line-height: 1.85;
  color: rgba(247, 243, 234, 0.86);
  max-width: 52ch;
  margin-bottom: 0;
}

.page-about__slogan {
  margin: 24px 0 0;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--cream);
  border-left: 3px solid var(--gold);
  padding-left: 14px;
}

.page-about__slogan-mark {
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--gold);
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}

.page-about__hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 30px;
}

.page-about__stat {
  flex: 1 1 120px;
  border-top: 1px solid rgba(247, 243, 234, 0.18);
  padding-top: 14px;
}

.page-about__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--gold);
}

.page-about__stat-label {
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
  color: rgba(247, 243, 234, 0.66);
}

.page-about__hero-visual { position: relative; }

.page-about__main-image {
  overflow: hidden;
  transform: rotate(-1.2deg) scale(1.02);
}

.page-about__vertical-note {
  position: absolute;
  right: 12px;
  top: 140px;
  z-index: 2;
  writing-mode: vertical-rl;
  font-family: var(--font-body);
  font-size: 0.76rem;
  letter-spacing: 0.4em;
  color: rgba(212, 175, 55, 0.62);
  margin: 0;
  pointer-events: none;
}

.page-about__adaptation {
  position: relative;
  background: linear-gradient(180deg, var(--forest) 0%, var(--grass) 22%, var(--grass) 78%, var(--forest) 100%);
  color: var(--cream);
  padding: 80px 0 84px;
  overflow: hidden;
}

.page-about__adaptation::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.04) 42%, transparent 62%);
  pointer-events: none;
}

.page-about__adaptation-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}

.page-about__adaptation-copy h2,
.page-about__timeline-section h2,
.page-about__community h2,
.page-about__back-title {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.15;
  margin: 12px 0 18px;
}

.page-about__adaptation-copy h2 { font-size: 1.9rem; }

.page-about__adaptation-copy p {
  font-family: var(--font-body);
  line-height: 1.85;
  color: rgba(247, 243, 234, 0.86);
  max-width: 58ch;
  margin-bottom: 1em;
}

.page-about__adaptation-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 26px;
  display: grid;
  gap: 12px;
}

.page-about__adaptation-list li {
  position: relative;
  padding-left: 26px;
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--cream);
}

.page-about__adaptation-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18);
}

.page-about__adaptation-list strong { color: var(--gold); font-weight: 600; }

.page-about__inline-link {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s var(--ease);
}

.page-about__inline-link:hover { color: var(--orange); }

.page-about__adaptation-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  background:
    linear-gradient(180deg, rgba(13, 59, 46, 0.5) 0%, transparent 100%),
    radial-gradient(ellipse at 50% 50%, var(--forest) 0%, var(--grass) 78%);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
}

.page-about__screen-figure {
  display: flex;
  align-items: flex-end;
  gap: 22px;
  justify-content: center;
}

.page-about__screen {
  position: relative;
  border: 2px solid rgba(212, 175, 55, 0.5);
  border-radius: 18px 18px 4px 4px;
  background: rgba(13, 59, 46, 0.75);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 12px;
}

.page-about__screen::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 46%;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 10px 0 rgba(247, 243, 234, 0.12), 0 20px 0 rgba(255, 107, 53, 0.6);
}

.page-about__screen--small { width: 82px; height: 148px; }
.page-about__screen--large { width: 118px; height: 244px; }

.page-about__screen-live {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  white-space: nowrap;
}

.page-about__aside-note {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--moss);
  text-align: center;
  margin: 0;
}

.page-about__timeline-section {
  position: relative;
  background: var(--forest);
  color: var(--cream);
  padding: 84px 0 88px;
  overflow: hidden;
}

.page-about__timeline-section h2 { font-size: 2rem; color: var(--cream); }

.page-about__timeline-section .section-subtitle {
  margin-bottom: 40px;
  color: rgba(247, 243, 234, 0.72);
}

.page-about__timeline-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}

.page-about__timeline-wrap > * { position: relative; z-index: 1; }

.page-about__timeline-svg {
  display: none;
  position: absolute;
  z-index: 0;
  top: -12px;
  left: -5%;
  width: 68%;
  height: 380px;
  opacity: 0.7;
  pointer-events: none;
}

.page-about__timeline {
  position: relative;
  padding-left: 32px;
  border-left: 2px dashed rgba(212, 175, 55, 0.35);
}

.page-about__milestone {
  position: relative;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about__milestone:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(212, 175, 55, 0.35);
}

.page-about__milestone[open] {
  background: rgba(212, 175, 55, 0.08);
  border-color: rgba(212, 175, 55, 0.4);
}

.page-about__milestone summary {
  list-style: none;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  cursor: pointer;
  padding: 18px 16px;
}

.page-about__milestone summary::-webkit-details-marker { display: none; }

.page-about__milestone summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--gold);
  line-height: 1;
  transition: transform 0.25s var(--ease);
}

.page-about__milestone[open] summary::after { content: "－"; }

.page-about__milestone-dot {
  position: absolute;
  left: -37px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.22), 0 0 16px rgba(212, 175, 55, 0.5);
}

.page-about__milestone-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-right: 12px;
}

.page-about__milestone-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-about__milestone-head strong {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--cream);
}

.page-about__milestone-meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--gold);
}

.page-about__milestone-body {
  padding: 2px 18px 20px 62px;
}

.page-about__milestone-body p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.82);
  margin: 0 0 8px;
}

.page-about__timeline-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about__timeline-figure .img-container {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.page-about__timeline-figure figcaption {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: rgba(247, 243, 234, 0.6);
  text-align: right;
  padding-right: 4px;
}

.page-about__community {
  position: relative;
  background: var(--cream);
  color: var(--ink);
  padding: 84px 0 88px;
  overflow: hidden;
}

.page-about__community-grid {
  display: grid;
  gap: 44px;
  align-items: center;
}

.page-about__community h2 { font-size: 2rem; }

.page-about__community-copy p {
  font-family: var(--font-body);
  line-height: 1.8;
  color: var(--ink);
  max-width: 58ch;
  margin-bottom: 1.2em;
}

.page-about__quote {
  margin: 28px 0;
  padding: 6px 0 6px 22px;
  border-left: 4px solid var(--gold);
}

.page-about__quote p {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--forest);
  line-height: 1.5;
}

.page-about__community-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.page-about__community-visual {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about__community-visual .img-container {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.page-about__back {
  position: relative;
  background: var(--forest);
  color: var(--cream);
  padding: 64px 0;
  text-align: center;
  overflow: hidden;
}

.page-about__back::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--orange) 50%, var(--gold) 100%);
}

.page-about__back-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
  justify-items: center;
}

.page-about__back-title {
  font-size: 1.5rem;
  color: var(--cream);
  margin: 0;
}

.page-about__pitch {
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 300px;
  height: 300px;
  opacity: 0.18;
}

@media (min-width: 768px) {
  .page-about__hero { padding: 48px 0 88px; }

  .page-about__hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
  }

  .page-about__hero-stats { flex-wrap: nowrap; }

  .page-about__vertical-note { right: 0; top: 160px; }

  .page-about__adaptation { padding: 88px 0; }

  .page-about__adaptation-inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
  }

  .page-about__adaptation-copy h2 { font-size: 2.3rem; }

  .page-about__timeline-section { padding: 96px 0 100px; }

  .page-about__timeline-section h2 { font-size: 2.5rem; }

  .page-about__timeline-wrap {
    grid-template-columns: 5fr 4fr;
    align-items: start;
  }

  .page-about__timeline-svg { display: block; }

  .page-about__community { padding: 100px 0; }

  .page-about__community-grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 48px;
  }

  .page-about__community h2 { font-size: 2.4rem; }

  .page-about__back { padding: 72px 0; }

  .page-about__back-title { font-size: 2rem; }
}

@media (min-width: 1080px) {
  .page-about__hero-inner { grid-template-columns: 1.08fr 0.92fr; }

  .page-about__screen--small { width: 96px; height: 178px; }
  .page-about__screen--large { width: 138px; height: 286px; }

  .page-about__main-image { transform: rotate(-1deg) scale(1.02); }
}