/* Proof: an open evidence letter, shaped by its sources. */
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65px;margin:56px auto 25px}.proof-invite h3{font-size:48px;max-width:750px;margin:0 auto 27px;text-align:center}.proof-invite>p{max-width:650px;margin-left:auto;margin-right:auto}.proof-invite .assurance{margin-top:15px}.paper-invite{border-block:3px solid var(--green);background:#f3f6f3}.research-account{max-width:800px}.research-account h3{max-width:680px}.research-account:first-of-type{border-top:4px solid var(--green);margin-top:30px}.dallas-chapter{background:#f3f5f3;padding-bottom:15px;margin-top:30px}.dallas-table{border-collapse:collapse;width:100%;max-width:840px;margin:35px auto 23px;background:white;font-size:19px}.dallas-table caption{text-align:left;font-size:15px;font-weight:650;padding:0 0 15px}.dallas-table th,.dallas-table td{padding:17px 22px;border-bottom:1px solid #d5ded8;text-align:left;font-weight:450}.dallas-table td{text-align:right;font-weight:750;font-size:23px;font-variant-numeric:tabular-nums}.historical-note{max-width:840px;margin:20px auto 55px;font-size:15px;line-height:1.65;padding-left:20px;border-left:3px solid #199151}.proof-dallas{background:transparent;--de-paper:#f3f5f3;font-size:16px}.proof-dallas .de-intro{margin:0 auto 32px;max-width:860px}.proof-dallas .de-intro h3{font-size:47px;max-width:800px;text-align:left}.proof-dallas .de-kicker{display:none}.proof-dallas .de-intro .de-help-hint{font-size:14px!important}.proof-dallas .de-help-mark{font-family:Arial}.proof-dallas .de-answer-heading h3{font-size:30px;text-align:left}.proof-dallas .de-counted h4{font-family:var(--body);font-size:18px;text-align:left}.proof-dallas .de-layout{gap:26px;padding:24px}.proof-dallas .de-explorer-head span{font-size:14px}.proof-dallas .de-source-index,.proof-dallas .de-method-note{font-size:14px}.proof-dallas .de-noscript{max-width:100%;overflow-wrap:anywhere}.index-link{max-width:840px;margin:28px auto 60px;font-size:18px;font-weight:650}.index-link a{display:inline-block;padding:10px 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.entry-reading>p{color:#e0e8e2}.proof-qualification{margin-top:35px!important;font-size:15px;line-height:1.65;color:#b8c9be!important;border-top:1px solid #3b5043;padding-top:25px}.proof-page .site-footer nav{display:flex;flex-wrap:wrap;gap:18px 26px}.proof-page .site-footer .stage{max-width:1120px}
#proof-viewer{width:calc(100% - 30px);max-width:1400px;max-height:calc(100dvh - 30px);padding:22px;background:#fff;border:1px solid #172d1e;color:#0a0a0a}#proof-viewer::backdrop{background:#000c}.proof-viewer-head{display:flex;align-items:center;justify-content:space-between;gap:20px;line-height:1.3}.proof-viewer-head strong{font:800 26px/1.15 var(--display)}.proof-viewer-head button,.proof-viewer-tools button{font-size:14px;min-height:44px;padding:9px 14px;border:1px solid #9cad9f;background:white}.proof-viewer-tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:18px 0}.proof-viewer-tools a{font-size:14px;margin-left:auto}.proof-viewer-scroll{height:calc(100dvh - 275px);overflow:auto;border:1px solid #cdd8d0;overscroll-behavior:contain;touch-action:pan-x pan-y pinch-zoom}#proof-viewer-image{max-width:none}#proof-viewer-caption{font-size:14px;line-height:1.5;margin:14px 0 0}.has-proof-viewer{overflow:hidden}
@media(max-width:1000px){.proof-hero h1{font-size:63px}.proof-entry>h3{font-size:39px}.entry-spread{gap:32px}.chapter-head h2{font-size:52px}.proof-invite{padding:42px}.proof-invite h3{font-size:43px}.proof-dallas .de-layout{grid-template-columns:1fr}.proof-dallas .de-collection{order:2}.proof-dallas .de-selected{order:1}}
@media(max-width:760px){.entry-spread{display:block}.entry-spread .proof-media{margin-top:27px}.entry-spread .entry-prose{padding:0}.source-beside>h3{max-width:680px}.proof-hero h1{font-size:55px}.proof-page .stage{width:calc(100% - 48px)}.proof-invite{padding:36px 28px}.proof-dallas .de-layout{padding:20px}.proof-page .site-footer .stage{display:block}.proof-page .site-footer nav{margin-top:25px}}
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@media(prefers-reduced-motion:reduce){.proof-page *{scroll-behavior:auto!important;transition:none!important}}
/* Keep the short source headlines balanced without changing their wording. */
@media(max-width:599px){.proof-page #account-A08>h3,.proof-page #account-A03>h3{max-width:210px;margin-left:0}.proof-page #account-A11>h3{font-size:28px}.proof-page #account-A12>h3{font-size:28px}.proof-page #marketers .chapter-head h2{max-width:300px}.proof-page #research .chapter-head h2{font-size:37px;max-width:320px}}

@media(max-width:599px){#research .chapter-head h2>span{display:block;white-space:nowrap} .proof-page #research .chapter-head h2{max-width:100%;font-size:37px}}