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*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;color:var(--text);background:var(--paper);font:1rem/1.7 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:5px;text-decoration-thickness:1px}a:hover{color:var(--copper)}button,summary{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--copper);outline-offset:5px}h1,h2,h3,p,figure{margin:0}h1,h2,h3{color:var(--ink)}h1,h2{font-family:var(--serif);font-weight:400}img,svg{max-width:100%}.shell{width:calc(100% - 112px);max-width:1200px;margin:auto}.skip-link{position:absolute;top:0;left:24px;transform:translateY(-140%);background:var(--ink);color:#fff;padding:10px 16px;z-index:200}.skip-link:focus{transform:none}.site-header{border-bottom:1px solid 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@media(max-width:1050px){.shell{width:calc(100% - 64px)}.hero{gap:35px}.site-nav{gap:17px}.hero h1{font-size:3.65rem}.research-list{grid-template-columns:1fr 1fr;row-gap:35px}.hero-copy{font-size:17px}.example-content{gap:35px}.example-step:not(:last-child)::after{right:-25px}.news-list{column-gap:30px}.news-feature{padding-right:28px}}
@media(max-width:780px){.header-inner{min-height:88px;flex-wrap:wrap;padding:20px 0}.brand-name{font-size:15px}.brand img{width:37px;height:37px}.js .menu-toggle{display:block;border:1px solid var(--line);background:white;padding:7px 13px;font-size:14px;color:var(--ink)}.site-nav{flex-basis:100%;flex-wrap:wrap;gap:20px;padding:10px 0}.js .site-nav{display:none}.js .site-nav.is-open{display:flex}.site-nav details>div{left:0;right:auto}.hero{grid-template-columns:1fr;gap:42px;padding:48px 0}.hero-copy{max-width:590px}.hero h1{font-size:3.8rem}.hero-identity{margin-top:25px}.concept{max-width:560px;width:100%;margin:auto}.section-heading h2{font-size:2.1rem}.example-top{display:block}.example-tabs{margin-top:18px}.example-content{gap:30px}.example-step p{font-size:17px}.section-heading{align-items:start}.news-list{grid-template-columns:1fr}.news-feature{border-right:0;padding-right:0;padding-bottom:32px;border-bottom:1px solid var(--line);grid-row:auto}.news-entry:nth-child(2){padding-top:24px}.join-section{grid-template-columns:1fr;gap:25px}.archive-list{grid-template-columns:1fr}.footer-inner{flex-wrap:wrap}.news-feature img{max-width:390px}}
@media(max-width:480px){.shell{width:calc(100% - 40px)}.hero{padding-top:36px;gap:34px}.hero h1{font-size:clamp(2.65rem,11vw,3.5rem);letter-spacing:-1px}.hero-copy{font-size:16px}.hero-links{gap:22px}.eyebrow{font-size:11px;letter-spacing:1px}.concept-svg .label{font-size:20px}.concept-svg .sub{font-size:14px}.concept-top span{font-size:12px}.example-section{padding:32px 0}.js .example-tabs{gap:18px;flex-wrap:wrap}.example-content{grid-template-columns:1fr;gap:23px;margin-top:24px}.example-step{padding-left:23px;border-left:1px solid #d7b09c}.example-step:not(:last-child)::after{display:none}.example-step p{font-size:19px}.example-step>span{margin-bottom:5px}.research-section{padding:38px 0}.section-heading{display:block;margin-bottom:26px}.section-heading>p,.section-heading>a{display:block;margin-top:18px}.research-list{grid-template-columns:1fr}.research-item h3{font-size:25px}.research-item p{font-size:16px}.news-section{padding:38px 0}.news-feature h3{font-size:27px}.join-section{padding:42px 0}.join-section h2{font-size:2.1rem}.footer-inner nav{gap:18px}.concept figcaption{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.flow{animation:none}.concept-controls{display:none!important}}
/* Compact editorial spacing, shared with the interior pages. */
.header-inner{min-height:84px}.hero{padding:36px 0 30px;gap:44px;grid-template-columns:.95fr 1.1fr}.hero h1{font-size:clamp(2.8rem,4.65vw,3.8rem);max-width:510px;line-height:1.08;margin:16px 0 20px;letter-spacing:-1.3px}.hero-copy{font-size:17px;line-height:1.7;max-width:480px}.hero-links{margin-top:20px}.hero-identity{margin-top:23px}.concept{padding:0}.concept>img{display:block;width:100%;height:auto}.concept figcaption{font-size:13px;line-height:1.65;padding-top:10px;max-width:500px}.research-brief{display:grid;grid-template-columns:.68fr 1.65fr;gap:52px;padding:28px 0 32px;border-top:1px solid var(--line)}.research-brief h2{font-size:29px;line-height:1.25;letter-spacing:-.4px}.research-brief>div>p{font-size:16px;line-height:1.75;max-width:790px}.focus-links{display:flex;flex-wrap:wrap;gap:5px 11px;margin-top:14px;font-size:13px!important;line-height:1.9}.focus-links a{color:var(--copper);text-decoration:none}.focus-links a:hover{text-decoration:underline}.focus-links span{color:#b7b7b1}.news-section{background:#fff;padding:30px 0 28px}.section-heading{margin-bottom:20px}.section-heading h2{font-size:2rem;margin-top:8px;letter-spacing:-.5px}.paper-update{display:grid;grid-template-columns:175px minmax(0,1fr) 210px;gap:28px;padding:23px 0;border-top:1px solid var(--line);align-items:start}.paper-update-text{grid-template-columns:175px minmax(0,1fr);padding-right:238px}.paper-meta p{font-size:14px;color:var(--copper);line-height:1.6}.paper-meta span{display:block;font-size:12px;color:var(--muted);margin-top:8px}.paper-update h3{font:400 23px/1.35 var(--serif);max-width:730px}.paper-update p{font-size:14px;line-height:1.7;margin-top:8px}.paper-update .paper-meta p{margin:0}.paper-update .paper-authors{font-size:12px;color:var(--muted);line-height:1.6}.paper-update a:not(.paper-art){display:inline-block;margin-top:10px;font-size:13px;color:var(--copper)}.paper-art{align-self:center;text-decoration:none;display:block}.paper-art img{display:block;width:100%;height:auto;max-height:175px;object-fit:contain}.authorship-note{font-size:12px;color:var(--muted);padding-top:10px;border-top:1px solid var(--line)}.news-archive{margin-top:20px;padding-top:16px}.archive-list{gap:25px;row-gap:28px}.contact-strip{display:flex;gap:25px;justify-content:space-between;align-items:center;padding:27px 0}.contact-strip p{font:400 20px/1.5 var(--serif);color:var(--ink)}.contact-strip>div{display:flex;gap:24px;flex-shrink:0;font-size:14px}.site-footer{padding:24px 0}
@media(max-width:1000px){.hero{grid-template-columns:1fr 1fr;gap:30px}.hero h1{font-size:3.1rem}.paper-update{grid-template-columns:140px minmax(0,1fr) 160px;gap:22px}.paper-update-text{grid-template-columns:140px 1fr;padding-right:182px}.research-brief{grid-template-columns:1fr 2fr;gap:32px}.research-brief h2{font-size:25px}}
@media(max-width:780px){.hero{grid-template-columns:1fr;gap:25px;padding:28px 0}.hero h1{font-size:3.4rem;max-width:600px}.hero-copy{max-width:640px}.concept{max-width:590px}.research-brief{grid-template-columns:1fr;gap:18px;padding:26px 0}.research-brief h2 br{display:none}.paper-update{grid-template-columns:1fr 180px;gap:18px}.paper-meta{grid-column:1/-1;display:flex;align-items:baseline;gap:15px}.paper-meta br{display:none}.paper-meta span{margin-top:0}.paper-update-text{grid-template-columns:1fr;padding-right:0}.paper-update-text .paper-meta{grid-column:auto}.contact-strip{display:block}.contact-strip>div{margin-top:14px}.header-inner{min-height:80px}}
@media(max-width:480px){.hero{padding-top:25px;gap:23px}.hero h1{font-size:2.8rem}.hero-copy{font-size:16px;line-height:1.75}.hero-identity{font-size:12px}.concept figcaption{font-size:12px}.research-brief h2{font-size:25px}.research-brief h2 br{display:block}.paper-update{grid-template-columns:1fr;gap:12px;padding:21px 0}.paper-update h3{font-size:22px}.paper-art{max-width:260px}.paper-art img{max-height:180px}.paper-meta{display:block}.paper-meta span{margin-top:4px}.paper-update>div>p:not(.paper-authors){font-size:15px}.section-heading h2{font-size:1.8rem}.news-section{padding:25px 0}.contact-strip p{font-size:19px}.focus-links span{display:none}.focus-links{gap:3px 16px}}
/* Stronger academic hierarchy requested for the homepage; interior styles retained. */
.home-page .hero h1{font-weight:700;font-size:clamp(2.7rem,4.4vw,3.5rem);letter-spacing:-1.4px;line-height:1.08}.home-page .hero h1 span{display:block}.home-page .hero-copy strong,.home-page .research-brief strong{font-weight:700;color:var(--ink)}.home-page .research-brief h2,.home-page .section-heading h2{font-weight:700}.home-page .paper-update h3{font-weight:700;font-size:21px;line-height:1.4}.home-page .paper-meta p,.home-page .hero-links a,.home-page .focus-links a{font-weight:700}.home-page .hero-identity a{font-weight:700}.home-page .brand-name{font-weight:700}.home-page .gapped-figure-label{font-size:12px;letter-spacing:1px;text-transform:uppercase;font-weight:700;color:var(--copper);margin:0 0 12px}.home-page .gapped-figure-link{display:block;max-width:560px;text-decoration:none}.home-page .gapped-figure-link img{display:block;width:100%;height:auto}.home-page .concept figcaption{font-size:14px;line-height:1.6;max-width:560px;margin-top:12px;padding-top:12px}.home-page .concept figcaption strong{font-weight:700;color:var(--ink)}.home-page .concept figcaption a{color:var(--copper);white-space:nowrap}.home-page .schematic-note{display:block;margin-top:6px;font-size:12px;color:var(--muted)}
@media(max-width:780px){.home-page .hero h1{font-size:3.2rem}.home-page .concept{max-width:560px}.home-page .research-brief h2{font-size:25px}}
@media(max-width:480px){.home-page .hero h1{font-size:clamp(2rem,9vw,2.4rem);letter-spacing:-.7px}.home-page .paper-update h3{font-size:20px}.home-page .concept figcaption{font-size:13px}.home-page .gapped-figure-label{font-size:11px}.home-page .section-heading h2{font-size:1.65rem}.home-page .research-brief h2{font-size:24px}}
/* Approved site-wide emphasis: bold hierarchy, warm copper accents, neutral body text. */
.brand-name{font-weight:700}.site-nav>a,.site-nav summary{font-weight:600}.eyebrow{font-weight:700}.home-page .concept-figure-label{font-size:12px;letter-spacing:1px;text-transform:uppercase;font-weight:700;color:var(--copper);margin-bottom:12px}.home-page .concept-figure-link{display:block;text-decoration:none}.home-page .concept-figure-link img{display:block;width:100%;height:auto}.home-page .concept figcaption strong{font-size:14px}.home-page .paper-meta p{color:#8d3818}.home-page .section-heading .eyebrow{color:#8d3818}
/* Navigation labels navigate; adjacent arrows disclose related pages. */
.site-header{position:relative;z-index:40}.site-nav{gap:18px}.site-nav>a,.site-nav>.nav-group>a{display:inline-flex;align-items:center;min-height:42px;border-bottom:3px solid transparent;padding:8px 0 5px;text-decoration:none;color:var(--ink)}.site-nav>a:hover,.site-nav>.nav-group>a:hover{color:var(--copper);border-bottom-color:#d5a089}.site-nav a[aria-current="page"],.site-nav>.nav-group[data-current-section="true"]>a{color:#8d3818;border-bottom-color:#994722;font-weight:700}.nav-group{position:relative;display:flex;align-items:center;gap:2px}.site-nav .nav-submenu{position:static}.site-nav .nav-submenu>summary{display:flex;align-items:center;justify-content:center;width:32px;min-height:42px;list-style:none;padding:0;border:0;color:var(--ink);cursor:pointer}.site-nav .nav-submenu>summary::-webkit-details-marker{display:none}.site-nav .nav-submenu>summary::after{content:none}.site-nav .nav-submenu>summary span{display:block;font-size:19px;line-height:1;transform:translateY(-2px)}.site-nav .nav-submenu[open]>summary span{transform:rotate(180deg)}.site-nav .nav-submenu>summary:hover,.site-nav .nav-submenu[open]>summary{background:#f8eee8;color:#8d3818}.site-nav .nav-dropdown{position:absolute;top:calc(100% + 5px);right:0;left:auto;z-index:100;min-width:225px;background:#fff;border:1px solid #d5c9c0;padding:8px;box-shadow:0 5px 16px #18212b14}.site-nav .nav-dropdown a{display:block;padding:10px 12px;color:var(--ink);line-height:1.5;white-space:normal;border-bottom:0;text-decoration:none}.site-nav .nav-dropdown a:hover{background:#f8eee8;color:#8d3818;text-decoration:underline;text-underline-offset:4px}.site-nav .nav-dropdown a[aria-current="page"]{background:#f6e9e0;color:#8d3818;border-left:3px solid #994722;padding-left:9px;text-decoration:underline;text-decoration-thickness:2px}.site-nav a:active,.site-nav summary:active{background:#f6e9e0}a.readable-link{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}a.readable-link:hover{text-decoration-thickness:2px}a.readable-link:focus-visible{outline:2px solid #994722;outline-offset:4px;background:#fff4eb}.footer-inner nav a{font-weight:600}
@media(max-width:1050px) and (min-width:781px){.site-nav{gap:11px}.site-nav .nav-submenu>summary{width:25px}}
@media(max-width:780px){.site-nav,.js .site-nav.is-open{flex-direction:column;align-items:stretch;gap:3px}.site-nav>a,.site-nav>.nav-group>a{display:flex;padding:9px 10px 7px;min-height:44px}.site-nav>.nav-group{display:block;padding-right:42px}.site-nav .nav-submenu>summary{position:absolute;top:0;right:0;min-height:44px;width:40px}.site-nav .nav-dropdown{position:static;margin:5px 0 8px 10px;min-width:0;padding:4px 0 4px 8px;box-shadow:none;border:0;border-left:1px solid #d5c9c0}.site-nav a[aria-current="page"],.site-nav>.nav-group[data-current-section="true"]>a{background:#fbf4ef}.site-nav .nav-dropdown a{padding:9px 10px}.site-nav .nav-dropdown a[aria-current="page"]{padding-left:7px}}
.site-nav>.nav-group>a{font-weight:600}.site-nav>.nav-group[data-current-section="true"]>a{font-weight:700}
.home-page .research-brief .group-scope{margin-top:14px}.home-page .research-brief>div>p.group-scope{font-size:15px;line-height:1.75}