:root {
  --about-paper: #ece7df;
  --about-ash: #a8a096;
  --about-dim: #777169;
  --about-line: rgba(255, 255, 255, 0.08);
  --about-red: #9b1b30;
  --about-gold: #c9a84c;
}

html {
  scroll-behavior: smooth;
  background: #050505;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 5%, rgba(139, 0, 0, 0.11), transparent 29rem),
    #050505;
  color: var(--about-paper);
  font-family: Inter, system-ui, sans-serif;
}

.about-main {
  overflow: hidden;
}

.about-shell {
  width: min(76rem, calc(100% - 3rem));
  margin: 0 auto;
}

.about-hero {
  min-height: 78vh;
  display: grid;
  align-items: center;
  padding: clamp(6rem, 12vw, 10rem) 0 5rem;
  border-bottom: 1px solid var(--about-line);
}

.about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 15rem;
  align-items: center;
  gap: clamp(3rem, 8vw, 7rem);
}

.about-kicker,
.about-section-label {
  color: var(--about-red);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.about-hero h1 {
  max-width: 48rem;
  margin: 0.75rem 0 1.25rem;
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(3.4rem, 8vw, 7.4rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.96;
}

.about-hero-lead {
  max-width: 43rem;
  color: #c0b8ad;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  line-height: 1.75;
}

.about-hero-note {
  max-width: 37rem;
  margin-top: 1.25rem;
  color: var(--about-dim);
  font-size: 0.78rem;
  line-height: 1.7;
}

.about-mark {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(201, 168, 76, 0.28);
  border-radius: 50%;
  background: #090909;
}

.about-mark::before,
.about-mark::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 50%;
}

.about-mark::before { inset: 0.8rem; }
.about-mark::after { inset: 1.55rem; }

.about-mark img {
  position: relative;
  z-index: 1;
  width: 56%;
  height: 56%;
  object-fit: contain;
}

.about-section {
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
  border-bottom: 1px solid var(--about-line);
}

.about-intro {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 7rem);
}

.about-intro h2,
.about-features h2,
.about-faq h2 {
  margin: 0;
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.05;
}

.about-copy {
  max-width: 49rem;
}

.about-copy p {
  margin: 0 0 1.35rem;
  color: #aaa298;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.02rem;
  line-height: 1.9;
}

.about-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 3.25rem;
  border: 1px solid var(--about-line);
  background: var(--about-line);
}

.about-principle {
  min-height: 14rem;
  background: #090909;
  padding: 1.5rem;
}

.about-principle span {
  color: var(--about-gold);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about-principle h3 {
  margin: 1.8rem 0 0.7rem;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.2rem;
}

.about-principle p {
  margin: 0;
  color: var(--about-dim);
  font-size: 0.76rem;
  line-height: 1.7;
}

.about-features {
  background: #080808;
}

.about-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.about-heading-row p {
  max-width: 29rem;
  margin: 0;
  color: var(--about-dim);
  font-size: 0.78rem;
  line-height: 1.7;
}

.about-feature-list {
  border-top: 1px solid var(--about-line);
}

.about-feature {
  display: grid;
  grid-template-columns: 3rem 13rem minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--about-line);
}

.about-feature-number {
  color: var(--about-gold);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
}

.about-feature h3 {
  margin: 0;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1rem;
}

.about-feature p {
  max-width: 43rem;
  margin: 0;
  color: var(--about-dim);
  font-size: 0.76rem;
  line-height: 1.7;
}

.about-faq-header {
  max-width: 43rem;
  margin-bottom: 2.5rem;
}

.about-faq-header p {
  margin-top: 0.9rem;
  color: var(--about-dim);
  font-size: 0.8rem;
  line-height: 1.7;
}

.about-faq-list {
  max-width: 58rem;
  border-top: 1px solid var(--about-line);
}

.about-faq details {
  border-bottom: 1px solid var(--about-line);
}

.about-faq summary {
  min-height: 4.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  color: #d8d1c7;
  cursor: pointer;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1rem;
  list-style: none;
}

.about-faq summary::-webkit-details-marker {
  display: none;
}

.about-faq summary::after {
  content: "+";
  color: var(--about-gold);
  font-family: Inter, sans-serif;
  font-size: 1rem;
  font-weight: 400;
}

.about-faq details[open] summary::after {
  content: "−";
}

.about-faq-answer {
  max-width: 49rem;
  padding: 0 2rem 1.5rem 0;
  color: #918a81;
  font-size: 0.8rem;
  line-height: 1.8;
}

.about-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.about-cta p {
  max-width: 43rem;
  margin: 0;
  color: #aaa298;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.1rem;
  line-height: 1.75;
}

.about-cta a {
  flex: 0 0 auto;
  border: 1px solid var(--about-red);
  background: #791322;
  color: #fff;
  padding: 0.9rem 1.1rem;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
}

.about-cta a:hover {
  background: #8b1728;
}

@media (max-width: 800px) {
  .about-shell {
    width: min(100% - 2rem, 76rem);
  }

  .about-hero {
    min-height: 0;
    padding-top: 6rem;
  }

  .about-hero-grid,
  .about-intro {
    grid-template-columns: 1fr;
  }

  .about-mark {
    width: 8rem;
    grid-row: 1;
  }

  .about-principles {
    grid-template-columns: 1fr;
  }

  .about-principle {
    min-height: 0;
  }

  .about-heading-row,
  .about-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .about-feature {
    grid-template-columns: 2.25rem minmax(0, 1fr);
  }

  .about-feature p {
    grid-column: 2;
  }
}

@media (max-width: 520px) {
  .about-hero h1 {
    font-size: clamp(3rem, 16vw, 4.2rem);
  }

  .about-feature {
    gap: 0.85rem;
  }

  .about-faq summary {
    min-height: 4rem;
    font-size: 0.92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}