@font-face{font-family:DM;src:url('./assets/dm-sans.woff2') format('woff2');font-weight:100 1000;font-display:swap}
*{box-sizing:border-box}body{margin:0;font-family:DM,Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer;color:inherit;touch-action:manipulation}button,a,input{-webkit-tap-highlight-color:transparent}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid currentColor;outline-offset:4px}button{border:0;background:none}button:disabled{opacity:.5}h1,h2,h3,p{margin:0}h1{font-size:clamp(36px,6vw,55px);font-weight:500;letter-spacing:-.05em;line-height:1.1}h2{font-size:27px;letter-spacing:-.03em;font-weight:500}h3{font-size:18px;font-weight:550;letter-spacing:-.02em}small{display:block;color:var(--muted);line-height:1.6}.concept-shell{--ink:var(--pair-page-ink,var(--wa-ink));--muted:var(--pair-page-muted,var(--wa-muted));--rule:color-mix(in srgb,var(--ink) 20%,transparent);color:var(--ink);max-width:1100px;padding:0 32px;margin:auto}header{height:80px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}header a{text-decoration:none;min-height:44px;display:flex;align-items:center}header>span{font-size:10px;letter-spacing:.13em}.intro{padding:35px 0}.eyebrow{font-size:10px;letter-spacing:.16em;color:var(--muted);margin-bottom:15px}.intro>p:last-child{color:var(--muted);margin-top:17px;font-size:16px}.versions{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:10px 0 48px}.versions button{text-align:left;padding:16px;border:1px solid var(--rule);border-radius:14px;font-size:13px;min-height:74px}.versions button span{display:block;font-size:10px;margin-bottom:8px;color:var(--muted)}.versions button[aria-pressed=true]{background:color-mix(in srgb,var(--ink) 8%,transparent);border-color:var(--ink)}.study-layout{display:grid;grid-template-columns:1fr 1.65fr;gap:70px;align-items:start}.description{padding-top:12px}.description>p:not(.eyebrow){font-size:16px;line-height:1.65;margin:17px 0}.description>small{font-size:13px}.study-controls{border-top:1px solid var(--rule);margin-top:30px;padding-top:22px;font-size:12px}.study-controls>span{color:var(--muted)}.study-controls>div{display:flex;gap:7px;margin:12px 0}.study-controls>div button{border:1px solid var(--rule);border-radius:20px;padding:10px 14px;min-height:40px;font-size:12px}.study-controls button[aria-pressed=true]{background:color-mix(in srgb,var(--ink) 9%,transparent);border-color:var(--ink)}.preview{min-width:0}.person{display:flex;align-items:center;gap:12px;padding:0 0 28px}.avatar{width:44px;height:44px;border-radius:15px;background:var(--wa-avatar);color:var(--wa-avatar-ink);display:grid;place-items:center;font-size:23px;font-weight:600}.person strong{font-size:15px}.person small{font-size:12px}.section-toggle{display:flex;align-items:center;justify-content:space-between;text-align:left;width:100%;padding:23px 0;border-block:1px solid var(--rule);min-height:86px}.section-toggle strong{font-size:18px;font-weight:550;letter-spacing:-.02em}.section-toggle small{font-size:12px;margin-top:5px}.chevron{display:inline-block;font-size:23px;font-weight:400;line-height:1;transition:transform .28s cubic-bezier(.16,1,.3,1);color:var(--muted);flex-shrink:0}.rotated{transform:rotate(90deg)}.grow{overflow:hidden}.expanded{padding:5px 0 15px}.detail-row{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 0;border-bottom:1px solid var(--rule);text-align:left;min-height:65px;font-size:13px}.row-value{display:flex;align-items:center;gap:13px;color:var(--muted);text-align:right;min-width:0;overflow-wrap:anywhere}.text-button{font-size:13px;min-height:44px;padding:8px 0;color:var(--muted);text-align:left}.text-button:hover,.detail-row:hover,.email-heading:hover{color:var(--ink)}.more{display:flex;align-items:center;gap:12px;font-size:12px;margin-top:9px}.more-content{display:flex;flex-direction:column;align-items:flex-start}.notice{color:var(--muted);font-size:12px;line-height:1.6;margin:12px 0}.notice:empty{display:none}.neighbor{border-top:1px solid var(--rule);padding:24px 0;font-size:16px;display:flex;justify-content:space-between;color:var(--muted)}.neighbor:last-child{border-bottom:1px solid var(--rule)}.summary{display:flex;gap:20px;align-items:center;justify-content:space-between;padding:25px 0 10px}.summary strong{font-size:17px;font-weight:500;overflow-wrap:anywhere}.summary small{font-size:12px;margin-top:8px}.email-first{padding:22px 0 5px}.email-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;width:100%;font-size:21px;letter-spacing:-.025em;padding:0;min-height:38px;overflow-wrap:anywhere}.signin-caption{display:flex;align-items:center;gap:9px;font-size:12px}.signin-caption .chevron{font-size:17px}.recovery-action{width:100%;border-top:1px solid var(--rule);margin-top:16px;padding:20px 0 5px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;text-align:left;font-size:14px}.recovery-action strong{font-size:13px;font-weight:400;color:var(--muted);overflow-wrap:anywhere}.recovery-action .chevron{margin-left:auto}.group{padding-top:22px}.group h3{font-size:11px;text-transform:uppercase;letter-spacing:.11em;color:var(--muted)}.group .detail-row{padding:15px 0;min-height:58px}.mini-detail{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:5px 0 12px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}.subhead{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.form{padding:22px 0 6px}.form p{font-size:13px;line-height:1.65;color:var(--muted);margin:12px 0 18px;overflow-wrap:anywhere}.form label{display:block;font-size:12px;color:var(--muted)}.form input[type=email]{display:block;width:100%;margin-top:8px;border:1px solid var(--rule);border-radius:12px;padding:14px;background:transparent;color:var(--ink);font-size:16px;min-height:50px}.actions{display:flex;align-items:center;gap:22px;margin-top:18px}.primary{padding:12px 22px;border-radius:25px;background:var(--wa-accent);color:var(--wa-on);font-size:14px;min-height:46px}.form [role=alert]:empty{display:none}.form [role=alert]{color:var(--ink)}.concept-otp fieldset{position:relative;margin:0;padding:0;border:0;min-width:0}.concept-otp fieldset>input{position:absolute;inset:0;width:100%;height:100%;opacity:0;z-index:2;font-size:16px}.concept-otp fieldset>div{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px}.concept-otp [data-active]{position:relative;height:48px;border:1px solid var(--rule);border-radius:10px;font-size:22px}.concept-otp [data-active=true]{border-color:var(--ink)}.concept-otp [data-active]>span:not([aria-hidden]){position:absolute;inset:0;display:grid;place-items:center}.concept-otp [data-active]>span[aria-hidden]{position:absolute;top:25%;left:50%;height:50%;width:1px;background:currentColor}.concept-otp [data-filled=true]>span[aria-hidden]{left:auto;right:7px}footer{padding:45px 0 30px;color:var(--muted);font-size:11px;line-height:1.6}
@media(max-width:760px){.concept-shell{padding:0 22px}.intro{padding:22px 0}.versions{gap:5px;margin-bottom:28px}.versions button{padding:12px 7px;font-size:10px;min-height:78px}.study-layout{display:flex;flex-direction:column;gap:28px}.description{width:100%}.description>small{max-width:450px}.study-controls{margin-top:17px;padding-top:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.study-controls>div{margin:0}.study-controls>span{width:100%}.study-controls .text-button{margin-left:auto}.preview{width:100%}.description>p:not(.eyebrow){margin:10px 0;font-size:14px}.person{padding-bottom:22px}.detail-row{gap:12px;font-size:12px}.row-value{gap:8px}.versions button span{font-size:11px}.summary strong{font-size:16px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

@media(max-width:760px){header{height:60px}.intro{padding:12px 0}.intro .eyebrow{display:none}.intro h1{font-size:34px}.intro>p:last-child{font-size:14px;margin-top:10px}.versions{margin:12px 0 22px}.versions button{min-height:65px;padding:10px 6px}.description>small{display:none}.description h2{display:none}.description .eyebrow{margin-bottom:8px}.study-controls{border:0;margin-top:12px;padding-top:0}.study-controls>span{display:none}.study-controls>div button{padding:8px 12px}.study-layout{gap:22px}}