.brUnderpinning{color:var(--br-carbon);padding:64px 0 78px;scroll-margin-top:100px}.brUnderpinningHead{grid-template-columns:minmax(0,1fr) 250px;align-items:end;gap:48px;margin-bottom:28px;display:grid}.brUnderpinningHead h2{letter-spacing:-.045em;max-width:790px;margin:12px 0 16px;font-size:clamp(30px,4.5vw,52px);font-weight:700;line-height:1.07}.brUnderpinningHead p:not(.eyebrow){max-width:660px;color:var(--br-graphite);margin:0;font-size:16px;line-height:1.65}.brUnderpinningHead>a{color:var(--br-carbon);text-underline-offset:4px;font-size:15px;font-weight:700;line-height:1.4}.brUnderpinningExplainer{background:var(--br-limestone);border-radius:20px;grid-template-columns:minmax(0,1.45fr) minmax(250px,.7fr);align-items:center;gap:28px;margin:0 0 24px;padding:20px;display:grid}.brUnderpinningDrawing{min-width:0}.brUnderpinningDrawing svg{border-radius:14px;width:100%;height:auto;display:block}.brUnderpinningExplainer figcaption{color:var(--br-graphite);font-size:14px;line-height:1.65}.brUnderpinningExplainer figcaption strong{color:var(--br-carbon);margin-bottom:9px;font-size:19px;line-height:1.3;display:block}.brUnderpinningFacts{border:1px solid var(--br-border);background:var(--br-paper);border-radius:16px;grid-template-columns:repeat(3,minmax(0,1fr));margin:0 0 48px;display:grid;overflow:hidden}.brUnderpinningFacts>div{align-content:start;gap:10px;min-width:0;padding:23px;display:grid}.brUnderpinningFacts>div+div{border-left:1px solid var(--br-border)}.brUnderpinningFacts small{text-transform:uppercase;letter-spacing:.06em;color:var(--br-graphite);font-size:12px;font-weight:700}.brUnderpinningFacts strong{letter-spacing:-.03em;color:var(--br-carbon);font-size:clamp(19px,2.4vw,27px);line-height:1.2}.brUnderpinningFacts span{color:var(--br-graphite);font-size:13px;line-height:1.6}.brUnderpinningColumns{grid-template-columns:1fr 1fr;gap:72px;margin-bottom:40px;display:grid}.brUnderpinningColumns section{min-width:0}.brUnderpinningColumns h3{letter-spacing:-.025em;margin:0 0 23px;font-size:clamp(22px,2.7vw,28px);font-weight:700;line-height:1.2}.brUnderpinningQuestionList{counter-reset:underpinning;margin:0;padding:0;list-style:none}.brUnderpinningQuestionList li{counter-increment:underpinning;border-top:1px solid var(--br-border);padding:14px 0 14px 42px;font-size:14px;line-height:1.65;position:relative}.brUnderpinningQuestionList li:before{content:counter(underpinning,decimal-leading-zero);color:var(--br-graphite);font-size:12px;font-weight:700;position:absolute;top:17px;left:0}.brUnderpinningQuestionList strong{color:var(--br-carbon)}.brUnderpinningVerifyList>div{border-top:1px solid var(--br-border);grid-template-columns:34px minmax(0,1fr);gap:13px;padding:14px 0;display:grid}.brUnderpinningVerifyList>div>span{color:var(--br-graphite);font-size:12px;font-weight:700}.brUnderpinningVerifyList strong{font-size:15px;line-height:1.3}.brUnderpinningVerifyList p{color:var(--br-graphite);margin:8px 0;font-size:14px;line-height:1.65}.brUnderpinningVerifyList a{color:var(--br-carbon);text-underline-offset:4px;font-size:13px;font-weight:700;line-height:1.6}.brUnderpinningClose{background:var(--br-limestone);border-radius:18px;grid-template-columns:minmax(0,1fr) minmax(225px,280px);align-items:center;gap:50px;padding:30px 34px;display:grid}.brUnderpinningClose h3{letter-spacing:-.03em;margin:0 0 10px;font-size:25px;line-height:1.2}.brUnderpinningClose p{color:var(--br-graphite);margin:0 0 14px;font-size:14px;line-height:1.65}.brUnderpinningClose small{max-width:760px;color:var(--br-graphite);font-size:12px;line-height:1.65;display:block}.brUnderpinningActions{gap:11px;display:grid}.brUnderpinningActions a{text-align:center;min-height:48px;color:var(--br-paper);background:var(--br-carbon);border-radius:9px;justify-content:center;align-items:center;padding:11px 15px;font-size:14px;font-weight:700;text-decoration:none;display:flex}.brUnderpinningActions a+a{color:var(--br-carbon);background:var(--br-paper);border:1px solid var(--br-control-border)}.brUnderpinningActions a:hover{text-underline-offset:3px;text-decoration:underline}.brUnderpinning a:focus-visible{outline:3px solid var(--br-blue);outline-offset:3px}@media (max-width:850px){.brUnderpinningHead{grid-template-columns:1fr;gap:18px}.brUnderpinningExplainer{grid-template-columns:1fr}.brUnderpinningColumns{grid-template-columns:1fr;gap:36px}.brUnderpinningClose{grid-template-columns:1fr;gap:26px}}@media (max-width:620px){.brUnderpinning{padding:44px 0 58px}.brUnderpinningExplainer{gap:18px;padding:12px}.brUnderpinningExplainer figcaption{padding:2px 6px 10px}.brUnderpinningFacts{grid-template-columns:1fr;margin-bottom:35px}.brUnderpinningFacts>div{padding:18px 20px}.brUnderpinningFacts>div+div{border-left:0;border-top:1px solid var(--br-border)}.brUnderpinningClose{padding:24px 19px}.brUnderpinningHead h2{font-size:33px}}