/* About us — public science, quiet editorial layout. */
.about-page { --text: #243f32; --text-light: #626a5d; --text-muted: #626a5d; --primary-light: #4d7159; --ab-header-height: 88px; --ab-nav-height: 66px; }
.ab-hero { position: relative; isolation: isolate; overflow: hidden; background: #f6f2e9; }
.ab-hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 58%; z-index: -2; }
.ab-hero::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg,#faf8f3 4%,#faf8f3ed 28%,#faf8f36b 48%,transparent 70%); }
.ab-hero-inner { padding: 26px 0 42px; }
.ab-breadcrumb { display: flex; gap: 12px; align-items: center; font-size: 13px; color: #596858; margin-bottom: 32px; }
.ab-breadcrumb a:hover { text-decoration: underline; text-underline-offset: 4px; }
.ab-eyebrow { font-size: 14px; font-weight: 600; letter-spacing: .07em; color: var(--home-orange); margin: 0 0 10px; }
.about-page .ab-hero h1 { font-size: clamp(38px,4vw,54px); line-height: 1.3; letter-spacing: .04em; margin-bottom: 16px; }
.ab-hero-lead { font-size: 18px; line-height: 1.8; color: #52604f; max-width: 48%; }
.ab-section-nav { position: sticky; top: var(--ab-header-height); z-index: 990; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin-top: 22px; background: #f7f5edf5; border: 1px solid #e2e4d8; border-radius: 14px; backdrop-filter: blur(10px); }
.ab-section-nav a { position: relative; display: flex; align-items: center; justify-content: center; gap: 14px; padding: 12px 8px; min-height: 64px; font-size: 15px; text-align: center; }
.ab-section-nav a + a::before { content: ''; position: absolute; left: 0; width: 1px; height: 26px; background: #d9dfd1; }
.ab-section-nav a.active { font-weight: 650; color: #365c42; }
.ab-section-nav a.active::after { content: ''; position: absolute; bottom: -1px; left: 20%; right: 20%; height: 2px; background: #4d7159; }
.ab-section-nav a:hover { background: #e9eddf70; border-radius: 12px; }
.ab-icon { width: 38px; height: 38px; flex-shrink: 0; color: #64836a; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ab-section-nav .ab-icon { width: 24px; height: 24px; }
.ab-section { padding-top: 46px; scroll-margin-top: calc(var(--ab-header-height) + var(--ab-nav-height) + 22px); }
.ab-section:focus { outline: none; }
.about-page .ab-section h2, .about-page .ab-cta h2 { font-size: 30px; line-height: 1.5; letter-spacing: .015em; margin: 0 0 22px; overflow-wrap: anywhere; }
.ab-company-grid { display: grid; grid-template-columns: minmax(0,1fr) 310px; align-items: center; gap: 55px; }
.ab-company-copy { max-width: 810px; font-size: 16px; line-height: 1.95; color: #53624f; }
.ab-company-copy p + p { margin-top: 19px; }
.ab-company-art { text-align: center; color: #6e866a; }
.ab-reading-art { width: 100%; height: 220px; }
.ab-company-art p { font-size: 15px; letter-spacing: .15em; }
.ab-history { margin-top: 30px; padding: 24px 30px; background: #eef2e7; border-radius: 16px; }
.about-page .ab-history h3 { font-size: 18px; padding-left: 13px; border-left: 4px solid #ad572d; line-height: 1.2; margin-bottom: 20px; }
.ab-milestone { display: flex; align-items: center; gap: 22px; font-size: 14px; color: #586952; }
.ab-milestone strong { position: relative; color: #294c39; padding-left: 30px; white-space: nowrap; }
.ab-milestone strong::before { content: ''; position: absolute; width: 12px; height: 12px; border-radius: 50%; background: #547860; left: 3px; top: 50%; transform: translateY(-50%); }
.ab-milestone small { color: #687661; font-size: 12px; }
.ab-timeline-rule { flex: 1; min-width: 25px; height: 1px; background: #cbd5c1; }
.ab-card-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.ab-card { display: flex; align-items: center; gap: 18px; border: 1px solid #dce2d6; border-radius: 15px; padding: 27px 22px; background: #fffdf9; min-width: 0; }
.ab-card > div { min-width: 0; }
.ab-card-art { width: 100px; height: 114px; flex-shrink: 0; fill: none; stroke: #69856c; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.about-page .ab-card h3 { font-size: 17px; line-height: 1.6; margin: 0 0 9px; overflow-wrap: anywhere; }
.ab-card-lead { font-size: 14px; line-height: 1.8; color: #4e6852; margin-bottom: 9px; }
.ab-card-detail { font-size: 13px; line-height: 1.85; color: #677060; }
.ab-tech-link { margin-top: 12px; color: #43684c; }
.ab-team-panel { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(0,1fr); gap: 35px; align-items: center; position: relative; padding: 38px 110px 38px 32px; background: #edf2e5; border-radius: 17px; overflow: hidden; }
.about-page .ab-team-panel h2 { font-size: 27px; margin-bottom: 14px; }
.ab-team-copy { font-size: 15px; color: #52634c; line-height: 1.95; }
.ab-team-note { font-size: 13px; color: #66765d; margin-top: 20px; }
.ab-domains { list-style: none; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); margin: 0; padding: 0; gap: 12px; }
.ab-domains li { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px; font-size: 15px; font-weight: 600; line-height: 1.6; }
.ab-domains .ab-icon { width: 50px; height: 50px; }
.ab-team-sprig { position: absolute; width: 90px; height: 165px; right: 12px; bottom: 8px; opacity: .6; fill: none; stroke: #718c6c; stroke-width: 1.5; }
.ab-csr-card { align-items: flex-start; }
.ab-csr-card .ab-card-art { width: 77px; height: 89px; }
.ab-cta { display: flex; justify-content: space-between; gap: 35px; align-items: center; padding: 36px 40px; margin: 32px 0 30px; border-radius: 18px; background: #eaf0e0; }
.about-page .ab-cta h2 { font-size: 29px; margin-bottom: 10px; }
.ab-cta p { color: #596b50; font-size: 15px; line-height: 1.85; }
.ab-cta .home-actions { margin-top: 22px; gap: 20px; }
.ab-cta-art { display: flex; align-items: center; gap: 16px; flex: 0 0 260px; }
.ab-cta-art p { font-size: 17px; max-width: 130px; letter-spacing: .12em; }
.ab-cta-sprig { width: 110px; height: 150px; stroke: #78916d; fill: none; stroke-width: 1.5; }
html[lang="en"] .about-page .ab-card h3 { font-size: 17px; }
html[lang="en"] .ab-cta-art { display: none; }
@media (max-width: 1200px) {
  .about-page { --ab-header-height: 76px; }
  .ab-company-grid { grid-template-columns: minmax(0,1fr) 235px; gap: 25px; }
  .ab-card { padding: 22px 18px; gap: 12px; flex-direction: column; align-items: flex-start; }
  .ab-card-art { height: 88px; width: 85px; }
  .ab-team-panel { grid-template-columns: minmax(0,1.2fr) minmax(0,1fr); padding-right: 32px; }
  .ab-team-sprig { display: none; }
  .ab-cta-art { flex-basis: 190px; }
}
@media (max-width: 760px) {
  .ab-hero-inner { padding: 22px 0 30px; }
  .ab-hero-image { width: 150%; max-width: none; left: -50%; object-position: 65% center; }
  .ab-hero::after { background: linear-gradient(90deg,#faf8f3f7 4%,#faf8f3eb 45%,#faf8f33d); }
  .ab-breadcrumb { font-size: 12px; margin-bottom: 24px; }
  .ab-eyebrow { font-size: 13px; margin-bottom: 10px; }
  .about-page .ab-hero h1 { font-size: 37px; margin-bottom: 12px; }
  .ab-hero-lead { font-size: 15px; max-width: 80%; }
  .ab-section-nav { margin-top: 16px; border-radius: 10px; }
  .ab-section-nav a { flex-direction: column; gap: 5px; padding: 10px 3px; min-height: 66px; font-size: 13px; line-height: 1.4; overflow-wrap: anywhere; }
  .ab-section-nav .ab-icon { width: 20px; height: 20px; }
  .ab-section-nav a.active::after { left: 8%; right: 8%; }
  .ab-section { padding-top: 32px; }
  .about-page .ab-section h2, .about-page .ab-cta h2 { font-size: 25px; line-height: 1.5; margin-bottom: 18px; }
  .ab-company-grid { display: block; }
  .ab-company-art { display: none; }
  .ab-company-copy { font-size: 15px; line-height: 1.95; }
  .ab-company-copy p + p { margin-top: 15px; }
  .ab-history { padding: 22px 20px; margin-top: 22px; }
  .ab-milestone { display: grid; grid-template-columns: 1fr; gap: 10px; }
  .ab-milestone strong { padding-left: 23px; }
  .ab-milestone p, .ab-milestone small { padding-left: 23px; }
  .ab-timeline-rule { display: none; }
  .ab-card-grid { grid-template-columns: 1fr; gap: 12px; }
  .ab-card { flex-direction: row; align-items: center; padding: 20px 16px; gap: 16px; }
  .ab-card-art { width: 73px; height: 90px; }
  .about-page .ab-card h3 { font-size: 16px; margin-bottom: 6px; }
  .ab-card-lead { font-size: 13px; margin-bottom: 0; }
  .ab-card-detail { margin-top: 8px; font-size: 12px; }
  .ab-team-panel { grid-template-columns: 1fr; gap: 25px; padding: 25px 22px; }
  .ab-domains { gap: 8px; }
  .ab-domains li { font-size: 13px; padding: 0 6px; gap: 10px; }
  .ab-domains li + li { border-left: 1px solid #cdd8c4; }
  .ab-domains .ab-icon { width: 39px; height: 39px; }
  .ab-csr-card .ab-card-art { width: 55px; height: 65px; }
  .ab-cta { padding: 27px 22px; margin-top: 25px; }
  .ab-cta-art { display: none; }
  .ab-cta .home-actions { gap: 12px; }
  .ab-cta .home-button { font-size: 14px; padding: 11px 19px; gap: 10px; }
  html[lang="en"] .ab-section-nav a { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.ab-team-copy + .ab-team-copy { margin-top: 16px; }