:root{--ab-bg:#f3f2ef;--ab-ink:#171717;--ab-accent:#17243f;--ab-line:rgba(20,25,35,.16);--ab-card:#fff}
body.about-page[data-theme="campaign"],body.about-page[data-theme="studio"]{--ab-bg:#f0f2f5;--ab-accent:#111d3c;--ab-card:#e1e5eb}
body.about-page[data-theme="atelier"]{--ab-bg:#e9e1d5;--ab-accent:#503d31;--ab-card:#f3ede4}
body.about-page[data-theme="bright"]{--ab-bg:#f8f9fa;--ab-accent:#10233f;--ab-card:#edf0f4}
body.about-page[data-theme="indexed"]{--ab-bg:#e5e8ec;--ab-accent:#0d2548;--ab-card:#f7f8f9}
body.about-page[data-theme="editorial"]{--ab-bg:#eef0f2;--ab-accent:#101b33;--ab-card:#ffffff}
.about-page{background:var(--ab-bg);color:var(--ab-ink)}
.about-page *{box-sizing:border-box}
.about-hero{min-height:calc(100svh - 102px);display:grid;place-items:center;text-align:center;padding:60px max(20px,5vw);position:relative;overflow:hidden}
.about-hero .about-kicker{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:700;color:var(--ab-accent)}
.about-hero h1{font-size:clamp(38px,7vw,92px);line-height:.95;letter-spacing:-.04em;margin:16px auto 20px;max-width:960px;font-weight:500}
.about-hero p{max-width:560px;margin:0 auto;font-size:15px;line-height:1.7}
.about-molecule{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5}
.about-molecule svg{width:100%;height:100%}
.about-hero>*:not(.about-molecule){position:relative;z-index:1}
.mol-node{fill:var(--ab-accent)}
.mol-link{stroke:var(--ab-accent);stroke-width:1;opacity:.35}
.mol-orbit{transform-origin:center;animation:mol-spin 26s linear infinite}
.mol-orbit.reverse{animation-direction:reverse;animation-duration:34s}
@keyframes mol-spin{to{transform:rotate(360deg)}}
.about-intro{max-width:760px;margin:0 auto;padding:100px max(20px,5vw) 40px;text-align:center}
.about-intro h2{font-size:clamp(28px,4vw,46px);line-height:1.1;letter-spacing:-.03em;margin:0 0 18px;font-weight:500}
.about-intro p{font-size:15px;line-height:1.75}
.about-timeline{max-width:920px;margin:0 auto;padding:60px max(20px,5vw) 120px;list-style:none}
.about-stage{display:grid;grid-template-columns:64px 1fr;gap:28px;padding:0 0 64px;position:relative}
.about-stage:last-child{padding-bottom:0}
.about-stage-rail{display:flex;flex-direction:column;align-items:center}
.about-stage-mark{width:44px;height:44px;border-radius:50%;border:1px solid var(--ab-line);background:var(--ab-card);display:grid;place-items:center;flex:0 0 auto}
.about-stage-mark svg{width:20px;height:20px}
.about-stage-line{flex:1;width:1px;background:var(--ab-line);margin-top:8px}
.about-stage:last-child .about-stage-line{display:none}
.about-stage-body{padding-top:2px}
.about-stage-eyebrow{text-transform:uppercase;font-size:10px;letter-spacing:.12em;color:var(--ab-accent);font-weight:700}
.about-stage h3{font-size:clamp(22px,3vw,34px);margin:8px 0 12px;letter-spacing:-.02em;font-weight:500}
.about-stage p{font-size:14px;line-height:1.75;max-width:600px}
.about-science{background:var(--ab-card);padding:110px max(20px,5vw);text-align:center}
.about-science h2{font-size:clamp(28px,4vw,46px);margin:0 0 16px;letter-spacing:-.03em;font-weight:500}
.about-science p{max-width:620px;margin:0 auto 50px;font-size:14px;line-height:1.7}
.about-strand{max-width:640px;margin:0 auto}
.about-strand svg{width:100%;height:auto}
.strand-path{fill:none;stroke:var(--ab-accent);stroke-width:1.4;opacity:.55}
.strand-node{fill:var(--ab-accent)}
.strand-pulse{animation:strand-pulse 3.6s ease-in-out infinite}
@keyframes strand-pulse{0%,100%{opacity:.35}50%{opacity:1}}
.about-note{font-size:11px;line-height:1.6;color:var(--ab-ink);opacity:.65;max-width:620px;margin:26px auto 0}
.about-cta{padding:110px max(20px,5vw);text-align:center}
.about-cta h2{font-size:clamp(30px,5vw,58px);margin:0 0 24px;letter-spacing:-.035em;font-weight:500}
.about-cta a{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;background:var(--ab-accent);color:#fff;text-transform:uppercase;letter-spacing:.12em;font-size:11px}
@media(prefers-reduced-motion:reduce){.mol-orbit{animation:none}.strand-pulse{animation:none;opacity:.8}}
@media(max-width:720px){.about-timeline{padding:40px 16px 90px}.about-stage{grid-template-columns:44px 1fr;gap:16px}.about-science{padding:70px 20px}.about-intro{padding:70px 20px 20px}.about-cta{padding:70px 20px}}