.about-hero {
  background: var(--paper-2);
  padding: 60px 0 72px;
  position: relative;
  overflow: hidden;
}

.about-hero__grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  align-items: end;
}

.about-hero__marker {
  font-family: var(--serif);
  font-size: 8.5rem;
  font-weight: 700;
  line-height: 0.82;
  color: var(--adobe);
  letter-spacing: -0.05em;
  position: relative;
}

.about-hero__marker small {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--charcoal-soft);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 24px;
  font-family: var(--sans);
  line-height: 1.5;
}

.about-hero__copy h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  margin-bottom: 20px;
  max-width: 18ch;
}

.about-hero__copy .lead {
  font-size: 1.08rem;
  color: var(--charcoal-soft);
  max-width: 56ch;
  line-height: 1.7;
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 80px;
  padding: 80px 0;
  align-items: start;
}

.about-toc {
  position: sticky;
  top: 100px;
  padding-left: 24px;
  border-left: 2px solid var(--border);
}

.about-toc__title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--charcoal-soft);
  margin-bottom: 18px;
  font-weight: 700;
}

.about-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
}

.about-toc li {
  counter-increment: toc;
  margin-bottom: 14px;
}

.about-toc a {
  color: var(--charcoal);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.45;
  display: flex;
  gap: 10px;
  transition: color 0.2s ease;
}

.about-toc a::before {
  content: counter(toc, decimal-leading-zero);
  color: var(--adobe);
  font-weight: 700;
  font-size: 0.74rem;
  flex-shrink: 0;
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.about-toc a:hover {
  color: var(--adobe);
}

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

.chapter:last-of-type {
  margin-bottom: 0;
}

.chapter__header {
  display: flex;
  align-items: baseline;
  gap: 22px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.chapter__num {
  font-family: var(--serif);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 0.85;
  color: var(--adobe);
  letter-spacing: -0.04em;
  flex-shrink: 0;
}

.chapter__title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.5vw, 1.95rem);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.chapter p {
  font-size: 1.02rem;
  line-height: 1.78;
  margin-bottom: 1.25em;
  color: var(--charcoal);
}

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

.chapter p.drop-cap::first-letter {
  float: left;
  font-family: var(--serif);
  font-size: 4.2rem;
  line-height: 0.85;
  padding: 8px 14px 0 0;
  color: var(--teal);
  font-weight: 600;
}

.margin-note {
  display: block;
  padding: 16px 20px;
  border-left: 3px solid var(--corn);
  background: var(--paper-2);
  border-radius: 0 8px 8px 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--charcoal-soft);
  margin: 28px 0;
  font-style: italic;
}

.margin-note strong {
  display: block;
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--adobe);
  margin-bottom: 6px;
  font-weight: 700;
}

.about-figure {
  margin: 44px 0;
  position: relative;
  padding-right: 60px;
}

.about-figure img {
  border-radius: var(--radius);
  width: 100%;
  height: 420px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.about-figure figcaption {
  position: absolute;
  right: 0;
  bottom: 28px;
  width: 200px;
  background: var(--teal);
  color: var(--paper);
  padding: 20px 22px;
  border-radius: 12px;
  font-size: 0.84rem;
  line-height: 1.55;
  font-style: italic;
  transform: rotate(-2deg);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

.about-figure--reverse {
  padding-right: 0;
  padding-left: 60px;
  margin-left: auto;
  width: 90%;
}

.about-figure--reverse figcaption {
  right: auto;
  left: 0;
  transform: rotate(2deg);
}

.pull-quote-large {
  margin: 64px 0;
  padding: 20px 0 0 88px;
  position: relative;
}

.pull-quote-large::before {
  content: "\201C";
  position: absolute;
  left: 0;
  top: -10px;
  font-family: var(--serif);
  font-size: 8rem;
  line-height: 0.8;
  color: var(--adobe);
  opacity: 0.35;
}

.pull-quote-large p {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  line-height: 1.35;
  color: var(--charcoal);
  margin: 0 0 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.pull-quote-large cite {
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--charcoal-soft);
  font-weight: 600;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 48px 0;
  border-top: 2px solid var(--charcoal);
  border-bottom: 2px solid var(--charcoal);
}

.stat-block {
  padding: 32px 24px;
  border-right: 1px solid var(--border);
}

.stat-block:first-child { padding-left: 0; }
.stat-block:last-child { border-right: none; }

.stat-block__num {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--adobe);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.stat-block__label {
  font-size: 0.86rem;
  color: var(--charcoal-soft);
  line-height: 1.5;
}

.about-final {
  margin-top: 80px;
  padding: 52px 56px;
  background: var(--teal);
  color: var(--paper);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.about-final::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(233, 180, 76, 0.14);
}

.about-final h2 {
  color: var(--paper);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  margin-bottom: 14px;
  position: relative;
}

.about-final p {
  color: #d9e6e4;
  max-width: 55ch;
  margin-bottom: 28px;
  position: relative;
  font-size: 1rem;
}

.about-final__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
}

@media (max-width: 1024px) {
  .about-layout { grid-template-columns: 1fr 200px; gap: 48px; }
  .about-hero__grid { gap: 40px; }
  .about-hero__marker { font-size: 6.5rem; }
  .about-figure { padding-right: 40px; }
  .about-figure--reverse { padding-left: 40px; }
}

@media (max-width: 860px) {
  .about-hero__grid { grid-template-columns: 1fr; gap: 24px; align-items: start; }
  .about-hero__marker { font-size: 5rem; }
  .about-layout { grid-template-columns: 1fr; gap: 0; padding: 56px 0; }
  .about-toc { display: none; }
  .about-stats { grid-template-columns: 1fr; }
  .stat-block { border-right: none; border-bottom: 1px solid var(--border); padding: 24px 0; }
  .stat-block:last-child { border-bottom: none; }
  .about-figure, .about-figure--reverse { padding: 0; margin: 40px 0; width: 100%; }
  .about-figure figcaption, .about-figure--reverse figcaption {
    position: static; width: 100%; transform: none; margin-top: 14px;
    background: var(--paper-2); color: var(--charcoal);
    border-left: 3px solid var(--corn); border-radius: 0 8px 8px 0; font-style: normal;
  }
  .pull-quote-large { padding-left: 52px; }
  .pull-quote-large::before { font-size: 5.5rem; }
  .about-final { padding: 36px 28px; }
}

@media (max-width: 640px) {
  .chapter { margin-bottom: 56px; }
  .chapter__num { font-size: 2rem; }
  .about-hero { padding: 40px 0 48px; }
  .about-hero__marker { font-size: 4rem; }
  .about-figure img { height: 260px; }
  .pull-quote-large { padding-left: 0; padding-top: 58px; }
  .pull-quote-large::before { font-size: 4rem; top: 0; }
  .about-final { padding: 32px 22px; }
}