.about-page { overflow: hidden; }

.about-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1.14fr);
  align-items: center;
  min-height: 630px;
  padding-block: 94px 86px;
  border-bottom: 1px solid var(--line);
}

.about-hero-copy { position: relative; z-index: 1; max-width: 650px; container-type: inline-size; }
.about-hero h1 { margin: 30px 0 24px; font-family: var(--serif); font-size: clamp(3.2rem, 6vw, 5.9rem); font-weight: 400; line-height: 1.26; letter-spacing: 0.04em; }
.about-tagline { margin: 28px 0 0; color: var(--text); font-family: var(--serif); font-size: clamp(1.45rem, 2.6vw, 2.35rem); line-height: 1.6; letter-spacing: 0.05em; }
.about-lede { max-width: 520px; margin: 30px 0 0; color: var(--muted); font-size: clamp(1rem, 1.2vw, 1.15rem); line-height: 2.05; }
.about-copy-unit { display: inline-block; white-space: nowrap; }
.about-message {
  grid-column: 2;
  justify-self: end;
  align-self: center;
  position: relative;
  z-index: 2;
  width: min(100%, 520px);
  padding: 30px 34px 32px;
  border: 1px solid var(--line);
  background: rgba(7, 9, 12, 0.78);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.2);
}
.about-message .section-label { margin-bottom: 14px; color: var(--accent); font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.18em; }
.about-message h2 { margin: 0 0 24px; font-family: var(--serif); font-size: clamp(1.55rem, 2.4vw, 2.1rem); font-weight: 400; line-height: 1.45; letter-spacing: 0.06em; }
.about-message-body { display: grid; gap: 16px; margin: 0; color: var(--muted); font-size: clamp(0.78rem, 1vw, 0.88rem); line-height: 1.9; }
.about-message-body p { margin: 0; }
.about-message-signature { margin: 24px 0 0; color: var(--text); font-family: var(--serif); font-size: 0.9rem; letter-spacing: 0.05em; }
.about-hero-mark { position: absolute; left: -2%; right: auto; top: calc(50% + 40px); z-index: 0; width: min(1120px, 82vw); color: var(--accent); opacity: 0.30; transform: translateY(-50%); pointer-events: none; }
.about-hero-mark img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: normal;
  -webkit-mask-image: url("assets/eterna-orbital-monogram-v1.png");
  mask-image: url("assets/eterna-orbital-monogram-v1.png");
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-mode: luminance;
  mask-mode: luminance;
}

.about-profile,
.about-divisions { padding-block: 96px; border-bottom: 1px solid var(--line); }
.about-section-heading { margin-bottom: 38px; }
.about-divisions .about-section-heading { margin-bottom: 26px; }
.about-section-heading h2 { margin: 18px 0 0; font-family: var(--serif); font-size: clamp(2rem, 3.4vw, 3.5rem); font-weight: 400; letter-spacing: 0.06em; }

.profile-list { margin: 0; border-top: 1px solid var(--line); }
.profile-list > div { display: grid; grid-template-columns: minmax(150px, 0.34fr) minmax(0, 1fr); gap: 30px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.profile-list dt { color: var(--accent); font-family: var(--serif); }
.profile-list dd { margin: 0; color: var(--text); }
.profile-english { color: var(--muted); font-size: 0.76em; letter-spacing: 0.12em; }

.division-list { border-top: 1px solid var(--line); }
.division-row { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; align-items: center; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.division-number { color: var(--accent); font-family: var(--serif); font-size: 1.1rem; letter-spacing: 0.12em; }
.division-row h3 { margin: 0 0 10px; font-family: var(--serif); font-size: clamp(1.4rem, 2.2vw, 2.1rem); font-weight: 400; letter-spacing: 0.05em; }
.division-row p { max-width: 680px; margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.9; }
.division-link { display: inline-flex; align-items: center; gap: 20px; min-width: 132px; padding: 8px 0; color: var(--accent); font-family: var(--serif); border-bottom: 1px solid var(--accent-soft); transition: color 180ms ease, border-color 180ms ease; }
.division-link:hover, .division-link:focus-visible { color: var(--text); border-color: var(--accent); }
.division-link span { font-family: var(--sans); font-size: 1.05rem; }

@media (max-width: 980px) {
  .about-hero { grid-template-columns: 1fr; min-height: 620px; }
  .about-hero-mark { left: 0; right: -18%; top: 56%; width: min(760px, 96vw); opacity: 0.26; }
  .about-hero-copy { max-width: 580px; }
  .about-message { grid-column: 1; justify-self: start; width: min(100%, 580px); margin-top: 28px; padding: 28px 30px 30px; }
}

@media (max-width: 680px) {
  .about-hero { min-height: 560px; padding-block: 70px 64px; }
  .about-hero-mark { left: auto; right: -62%; top: 72%; width: 100vw; opacity: 0.12; }
  .about-hero h1 { font-size: clamp(2.8rem, 13vw, 4.4rem); }
  .about-lede { font-size: 0.92rem; }
  .about-message { width: 100%; margin-top: 26px; padding: 22px 22px 24px; }
  .about-message h2 { margin-bottom: 18px; font-size: 1.5rem; }
  .about-message-body { gap: 13px; font-size: 0.8rem; line-height: 1.85; }
  .about-message-signature { margin-top: 18px; font-size: 0.84rem; }
  .about-profile, .about-divisions { padding-block: 68px; }
  .profile-list > div { grid-template-columns: 1fr; gap: 5px; padding: 18px 0; }
  .division-row { grid-template-columns: 42px minmax(0, 1fr); gap: 14px; padding: 24px 0; }
  .division-row h3 { font-size: 1.22rem; }
  .division-row p { font-size: 0.78rem; }
  .division-link { grid-column: 2; min-width: 120px; font-size: 0.78rem; }
}