.bo-s4{--s4-bg:#101113;--s4-card:#191b1e;--s4-text:#f0eee8;--s4-muted:#c5c5c0;--s4-gold:#d4b77d;--s4-border:#414039;background:var(--s4-bg);color:var(--s4-text);font-family:inherit;line-height:1.65;isolation:isolate}
.bo-s4 *{box-sizing:border-box}.bo-s4 [hidden]{display:none!important}.bo-s4__container{width:min(100% - 48px,1140px);margin-inline:auto;padding:64px 0 48px}.bo-s4 a{color:var(--s4-gold);text-underline-offset:4px}.bo-s4 a:hover{text-decoration-thickness:2px}.bo-s4 :is(a,button,input):focus-visible{outline:3px solid #f5dc9f;outline-offset:5px}.bo-s4 h1,.bo-s4 h2,.bo-s4 h3{color:var(--s4-text);font-family:Georgia,'Times New Roman',serif;letter-spacing:-.025em;line-height:1.15;margin:0 0 22px;text-wrap:balance}.bo-s4 h1{font-size:clamp(2.1rem,4vw,3.75rem);max-width:800px}.bo-s4 h2{font-size:clamp(1.65rem,3vw,2.4rem);max-width:880px}.bo-s4 h3{font-size:1.35rem;line-height:1.3;letter-spacing:-.015em}.bo-s4 p{margin:0 0 20px;max-width:900px}.bo-s4 strong{font-weight:700;color:inherit}.bo-s4__eyebrow{font-size:.73rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--s4-gold);margin-bottom:18px!important}.bo-s4__hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:50px;align-items:start;padding-bottom:66px}.bo-s4__status{display:inline-block;border:1px solid var(--s4-border);border-radius:100px;padding:6px 12px;font-size:.8rem;color:var(--s4-muted)}.bo-s4__lead{font-size:1.15rem;color:var(--s4-muted)}.bo-s4__guardrail{font-size:.88rem;padding-left:15px;border-left:2px solid var(--s4-gold);color:var(--s4-muted)}.bo-s4__actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}.bo-s4__button{display:inline-flex;justify-content:center;align-items:center;border:1px solid var(--s4-gold);background:var(--s4-gold);color:#171717!important;text-decoration:none!important;padding:12px 17px;min-height:44px;border-radius:3px;font-family:inherit;font-weight:600;font-size:.86rem;line-height:1.4;cursor:pointer;text-align:center;max-width:100%}.bo-s4__button--subtle{background:transparent;color:var(--s4-gold)!important;font-size:.85rem;font-family:inherit}.bo-s4__text-link{font-size:.9rem}.bo-s4__design{min-width:0;background:var(--s4-card);border:1px solid var(--s4-border);border-top:3px solid var(--s4-gold);padding:30px}.bo-s4__design dl{margin:0}.bo-s4__design dl>div{padding:18px 0;border-bottom:1px solid var(--s4-border)}.bo-s4__design dt{font-size:.78rem;color:var(--s4-muted)}.bo-s4__design dd{font-size:2.6rem;line-height:1.2;margin:8px 0 0;color:var(--s4-gold);font-family:Georgia,serif}.bo-s4__design dd span{display:block;font:400 .92rem/1.5 system-ui,sans-serif;color:var(--s4-text);margin-top:5px}.bo-s4__design>p:last-child{margin:20px 0 0;font-size:.78rem;color:var(--s4-muted)}.bo-s4__section{border-top:1px solid var(--s4-border);padding:43px 0;scroll-margin-top:100px}.bo-s4__section:last-child{padding-bottom:0}.bo-s4__section>p{color:var(--s4-muted)}.bo-s4__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:28px 0}.bo-s4__card{background:var(--s4-card);padding:23px;border:1px solid var(--s4-border);min-width:0}.bo-s4__card p{font-size:.9rem;margin:0;color:var(--s4-muted)}.bo-s4__number{display:block;color:var(--s4-gold);font-size:.78rem;margin-bottom:21px;letter-spacing:.08em}.bo-s4__chips{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.bo-s4__chips span{font-size:.82rem;padding:8px 11px;border:1px solid var(--s4-border);color:var(--s4-text);background:var(--s4-card)}.bo-s4__note{font-size:.87rem}.bo-s4__steps{max-width:920px;padding-left:24px;margin:25px 0}.bo-s4__steps li{padding-left:9px;margin-bottom:18px;color:var(--s4-muted)}.bo-s4__steps li::marker{color:var(--s4-gold);font-weight:700}.bo-s4__citation{background:var(--s4-card);border:1px solid var(--s4-border);padding:27px;margin:24px 0}.bo-s4__label{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--s4-gold)}.bo-s4__canonical,.bo-s4__sources a{overflow-wrap:anywhere}.bo-s4__copy-status{display:inline-block;margin:12px 0 0 12px;font-size:.85rem;color:var(--s4-text)}.bo-s4__copy-fallback{margin-top:15px}.bo-s4__copy-fallback label{font-size:.8rem}.bo-s4__copy-fallback input{display:block;width:100%;margin-top:7px;padding:12px;background:var(--s4-bg);color:var(--s4-text);border:1px solid var(--s4-border);font:inherit}.bo-s4__sources{display:grid;grid-template-columns:1fr 1fr;gap:10px 28px;padding-left:20px;font-size:.91rem}.bo-s4__related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:25px 0}.bo-s4__related a{display:flex;justify-content:space-between;gap:10px;border:1px solid var(--s4-border);padding:17px;font-size:.87rem;min-height:60px}.bo-s4__research-links{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:.83rem;border-top:1px solid var(--s4-border);padding-top:23px;margin-top:30px}
@media(max-width:900px){.bo-s4__hero{grid-template-columns:1fr;gap:26px}.bo-s4__design dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.bo-s4__design dd{font-size:2rem}.bo-s4__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bo-s4__related{grid-template-columns:1fr}}
@media(max-width:540px){.bo-s4__container{width:calc(100% - 32px);padding-top:38px}.bo-s4__hero{padding-bottom:37px;gap:22px}.bo-s4__grid,.bo-s4__sources{grid-template-columns:1fr}.bo-s4__design{padding:20px}.bo-s4__design dl{grid-template-columns:1fr;gap:0}.bo-s4__design dl>div{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:12px;padding:16px 0}.bo-s4__design dd{margin:0;font-size:2rem}.bo-s4__design dd span{font-size:.78rem}.bo-s4__section{padding:32px 0}.bo-s4__card,.bo-s4__citation{padding:20px}.bo-s4__copy-status{display:block;margin:12px 0 0}.bo-s4__status{border-radius:8px;font-size:.75rem}.bo-s4__actions{gap:15px}.bo-s4__lead{font-size:1rem}.bo-s4__sources{padding-left:18px}}
@media(prefers-reduced-motion:reduce){.bo-s4 *{scroll-behavior:auto!important;transition:none!important}}