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@media(min-width:1450px){.hero{padding-block:82px}.hero h1{font-size:69px}}
@media(max-width:1050px){.header-inner nav{gap:19px;font-size:12px}.hero{gap:26px}.hero-actions{gap:18px}.project-copy{padding:32px}.project-visual{margin:18px;padding:21px}.project-copy h2{font-size:39px}.project-actions{gap:18px}.project-actions .button{padding-inline:17px;font-size:12px}.community-section{gap:60px}.research-grid{gap:48px}.project-trust{gap:25px}.footer-inner>span{width:100%}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}

/* Page navigation and compact homepage. */
.header-inner nav>a:not(.nav-cta){position:relative;padding:12px 0;min-height:44px;display:flex;align-items:center}
.header-inner nav>a[aria-current=page]{color:var(--ink);font-weight:700}
.header-inner nav>a[aria-current=page]::after{content:"";position:absolute;bottom:4px;left:0;right:0;height:3px;background:#79964d;border-radius:4px}
.breadcrumb{display:flex;align-items:center;gap:12px;padding-top:28px;padding-bottom:6px;color:var(--muted);font-size:12px;flex-wrap:wrap}
.breadcrumb a{text-underline-offset:4px}.breadcrumb [aria-current]{color:var(--ink)}
.page-billco2-saver #billco2{padding-top:32px}.page-billco2-saver .project-copy h1{font-size:clamp(36px,3.8vw,46px);letter-spacing:-1.4px;margin-bottom:19px;line-height:1.12}
.page-research .research-section{margin-top:26px}.page-research .research-section .section{padding-top:48px}.page-research .research-section h1{font-size:clamp(38px,4.5vw,58px);margin-bottom:10px}
.page-community .community-section{padding-top:42px}.page-community .community-copy h1{font-size:clamp(40px,4.5vw,58px);margin-bottom:24px}
.page-about .about-section{margin-top:26px}.page-about .about-copy h1{font-size:clamp(40px,4.5vw,58px);margin-bottom:24px}
.page-next{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:36px;padding-bottom:42px;border-top:1px solid var(--line)}.page-next p{font-family:var(--serif);font-size:26px;line-height:1.3;margin:0}.page-next a{flex-shrink:0}
.home-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;padding:30px 35px;border:1px solid #cdd8c2;border-radius:10px;background:var(--soft);align-items:center}
.home-feature-name{display:flex;gap:18px;align-items:center}.home-feature-name>img{border-radius:12px}.home-feature .eyebrow{font-size:9px;margin-bottom:8px}.home-feature h2{font-size:33px;margin:0;letter-spacing:-1px}.home-feature-copy>p{font-size:15px;color:var(--text);line-height:1.65;margin-bottom:12px;max-width:480px}
.home-explore{padding-top:65px;padding-bottom:70px}.home-explore .section-heading{margin-bottom:24px}.home-explore h2{font-size:38px;margin-bottom:0}.home-explore .eyebrow{margin-bottom:12px}
.explore-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.explore-card{display:flex;flex-direction:column;position:relative;padding:27px 26px 25px 0;text-decoration:none;transition:background .18s}.explore-card+.explore-card{padding-left:26px;border-left:1px solid var(--line)}.explore-card:hover{background:#f0f3e7}.explore-card .topic-number{font-size:9px;letter-spacing:1.3px;color:var(--muted);margin-bottom:20px}.explore-card h3{font:normal 27px/1.15 var(--serif);letter-spacing:-.4px;margin-bottom:14px}.explore-card p{font-size:14px;color:var(--text);margin-bottom:22px}.explore-arrow{font-size:22px;align-self:flex-end;margin-top:auto;color:#688047}
.preview-notice{padding:10px 20px;background:#e5eccf;color:var(--ink);font:12px/1.6 Arial,sans-serif;text-align:center}
@media(max-width:1050px){.header-inner nav{gap:14px}.home-feature{gap:27px;padding:25px}.home-feature h2{font-size:28px}.explore-card h3{font-size:25px}}
@media(max-width:960px){.header-inner{min-height:75px;gap:15px}.brand{font-size:20px}.brand img{width:31px}.menu-toggle{display:flex;align-items:center;gap:12px;font-size:12px}.header-inner nav{position:absolute;top:75px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:18px 20px 24px;align-items:stretch;display:none;flex-direction:column;gap:0;font-size:14px}.header-inner nav[data-open=true]{display:flex}.header-inner nav>a:not(.nav-cta){padding:13px 12px}.header-inner nav>a[aria-current=page]{background:var(--soft);border-radius:4px}.header-inner nav>a[aria-current=page]::after{top:12px;bottom:12px;left:0;right:auto;width:3px;height:auto}.header-inner .nav-cta{margin-top:10px;justify-content:space-between}}
@media(max-width:800px){.home-feature{grid-template-columns:1fr;gap:20px}.home-feature-copy>p{max-width:none}.explore-grid{grid-template-columns:1fr}.explore-card,.explore-card+.explore-card{padding:24px 0;border-left:0}.explore-card+.explore-card{border-top:1px solid var(--line)}.explore-card .topic-number{margin-bottom:13px}.explore-card h3{font-size:29px}.explore-card p{margin-bottom:8px;padding-right:35px}.explore-arrow{position:absolute;bottom:24px;right:4px}.page-next{align-items:flex-start;flex-direction:column;gap:18px}.page-next p{font-size:24px}}
@media(max-width:580px){.home-feature{padding:25px 22px}.home-feature-name{gap:14px}.home-feature-name>img{width:48px}.home-feature h2{font-size:30px}.home-feature-copy>p{font-size:14px}.home-explore{padding-top:45px;padding-bottom:45px}.home-explore h2{font-size:34px}.breadcrumb{padding-top:21px}.page-billco2-saver #billco2{padding-top:24px}.page-research .research-section .section{padding-top:34px}.page-community .community-section{padding-top:30px}.page-next{padding-top:28px;padding-bottom:33px}.preview-notice{font-size:11px;padding:9px 18px}}
@media(prefers-reduced-motion:reduce){.explore-card{transition:none}}

/* Shared section navigation and editorial pages. */
.site-header .header-inner{min-height:79px}.brand img{width:48px;height:48px;object-fit:contain;flex-shrink:0}.header-actions{display:flex;gap:16px;align-items:center}.header-actions .nav-cta{font-size:12px;font-weight:600;gap:20px;text-decoration:none;margin:0;min-height:44px}.cta-short{display:none}.site-header>nav{display:flex;align-items:center;justify-content:space-between;gap:22px;border-top:1px solid var(--line);min-height:48px;font-size:12px;font-weight:600}.site-header>nav a{position:relative;display:flex;align-items:center;text-decoration:none;min-height:47px;padding:11px 0}.site-header>nav a:hover{color:#5d783c}.site-header>nav a[aria-current=page]::after{content:"";position:absolute;height:3px;left:0;right:0;bottom:0;background:#748f46;border-radius:4px}.site-header>nav a[aria-current=page]{font-weight:700}.menu-toggle{min-height:44px}.site-footer .brand img{width:38px;height:38px}html{scroll-padding-top:150px}
.page-intro{padding-top:48px;padding-bottom:48px}.page-intro h1{max-width:950px}.page-intro .section-lead,.action-principles>.section-lead{max-width:650px;font-size:17px;color:var(--text);line-height:1.8;margin-bottom:0}.section-label{display:block;font-size:10px;font-weight:700;letter-spacing:1.3px;margin-bottom:20px;color:#5b704c}.editorial-split{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;padding-top:26px;padding-bottom:70px;align-items:start}.editorial-split>div>p{max-width:590px;color:var(--text);line-height:1.85;font-size:15px}.statement-card{padding:38px;background:#e9eedc;border-radius:7px;border-top:3px solid #8aab58}.statement-card h3{font:normal 33px/1.17 var(--serif);letter-spacing:-.6px;margin-bottom:20px}.statement-card p:not(.eyebrow){color:var(--text);font-size:14px;line-height:1.8}.small-note{font-size:12px!important;line-height:1.75!important;color:var(--muted)!important}.statement-card .small-note{border-top:1px solid #ccd7bd;padding-top:18px;margin-bottom:0}.action-principles{padding-top:30px;padding-bottom:70px}.action-principles h2{font-size:38px;max-width:680px}.three-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px;margin-top:32px}.three-columns article{border-top:1px solid #cbd7bf;padding-top:22px}.three-columns .topic-number{display:block;margin-bottom:18px}.three-columns h3{font:normal 26px/1.2 var(--serif);letter-spacing:-.4px}.three-columns p{font-size:14px;color:var(--text);line-height:1.8;margin-bottom:0}
.pillars-section{padding-top:60px;padding-bottom:65px}.pillars-heading{display:flex;gap:26px;align-items:center}.pillars-heading>img{width:112px;height:112px;object-fit:contain;flex-shrink:0}.pillars-heading .eyebrow{margin-bottom:10px}.pillars-heading h2{font-size:40px;margin-bottom:14px}.pillars-heading p:last-child{font-size:15px;color:var(--text);margin:0;max-width:600px}.pillar-cards article{display:flex;flex-direction:column}.pillar-cards article>p{flex:1}.pillar-cards .text-link{align-self:flex-start;margin-top:23px}.section-jumps{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.section-jumps a{border:1px solid #cbd7bd;border-radius:30px;padding:9px 17px;min-height:44px;font-size:12px;text-decoration:none}.section-jumps a:hover{background:var(--soft)}.story-origin{padding-top:20px;padding-bottom:50px;border-bottom:1px solid var(--line);margin-bottom:45px}.story-origin>p:not(.eyebrow){max-width:800px;font-size:16px;line-height:1.9;color:var(--text)}.story-origin h2{font-size:40px;max-width:700px}.story-community{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;padding-top:35px;padding-bottom:60px;border-top:1px solid var(--line)}.story-community>div>p:not(.eyebrow){font-size:15px;line-height:1.85;color:var(--text);max-width:580px}.story-community .button{margin-top:10px;font-size:13px}
@media(max-width:960px){.story-community{gap:35px}.pillars-heading h2,.story-origin h2{font-size:36px}}
@media(max-width:700px){.story-community{grid-template-columns:1fr;gap:30px;padding-bottom:45px}.pillars-section{padding-top:42px;padding-bottom:45px}.pillars-heading{align-items:flex-start;gap:19px}.pillars-heading>img{width:70px;height:70px}.pillars-heading h2{font-size:32px}.story-origin{padding-bottom:32px;margin-bottom:30px}.story-origin h2{font-size:34px}.story-origin>p:not(.eyebrow){font-size:15px}}
@media(max-width:440px){.pillars-heading{flex-direction:column;gap:15px}.pillars-heading>img{width:78px;height:78px}.section-jumps{gap:8px}.section-jumps a{font-size:11px;padding:9px 13px}}
.product-showcase{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;background:#edf2e4;border:1px solid #d5dfc9;padding:40px;border-radius:10px;margin-bottom:35px}.product-identity>img{border-radius:16px;margin-bottom:26px}.status-label{display:inline-block;font-size:9px;letter-spacing:1px;font-weight:700;line-height:1.5;background:#d9e7c5;padding:7px 10px;border-radius:3px}.product-identity h2{margin-top:20px;font-size:40px}.product-identity .project-name{color:var(--muted);font-size:12px}.product-description>p{font-size:15px;color:var(--text);line-height:1.85}.feature-list{padding-left:19px;font-size:14px;color:var(--text);line-height:1.7}.feature-list li{padding-left:5px;margin-bottom:9px}.product-description .hero-actions{margin-top:24px;gap:20px}.product-description .button{font-size:12px;gap:20px;padding:13px 17px}.product-description .text-link{font-size:12px}
.oped-feature{display:grid;grid-template-columns:.65fr 1.35fr;gap:55px;align-items:center;padding:36px;border:1px solid #ced9c1;border-radius:9px;background:#eef2e4}.oped-feature h2{font-size:40px;max-width:650px}.oped-feature>div>p:not(.eyebrow){font-size:15px;color:var(--text);line-height:1.8}.oped-feature .eyebrow{font-size:9px;letter-spacing:1.2px}.oped-symbol{min-height:290px;background:var(--ink);color:#d7ebac;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;isolation:isolate;overflow:hidden;border-radius:50% 50% 6px 6px;font:normal 100px/1 var(--serif)}.oped-symbol::before,.oped-symbol::after{content:"";position:absolute;width:260px;height:140px;border:1px solid #7c926b;border-radius:50%;z-index:-1;transform:rotate(30deg)}.oped-symbol::after{transform:rotate(-30deg)}.oped-symbol>span{font:9px/1.5 var(--sans);letter-spacing:1.5px;margin-top:28px}.resource-section{padding-top:65px;padding-bottom:65px}.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:30px}.resource-card{padding:27px;border:1px solid var(--line);border-radius:6px;display:flex;flex-direction:column}.resource-card .section-label{font-size:8px;letter-spacing:.8px;margin-bottom:17px}.resource-card h3{font:normal 26px/1.15 var(--serif);letter-spacing:-.4px}.resource-card p{font-size:13px;line-height:1.8;color:var(--text);flex:1}.resource-card a{font-size:12px;font-weight:600;text-underline-offset:4px;line-height:1.8}.resource-note{margin-top:24px;max-width:820px}
.essay{max-width:840px;padding-top:48px;padding-bottom:65px}.essay-header h1{font-size:clamp(38px,5vw,63px);letter-spacing:-2px}.essay-byline{font-size:15px;margin-bottom:8px}.essay-header{margin-bottom:30px}.editor-note{background:#eaf0df;border-left:3px solid #809f52;padding:20px 23px;font-size:13px;line-height:1.85;margin-bottom:35px;color:var(--text)}.editor-note a{display:block;font-size:12px;margin-top:9px;text-underline-offset:4px}.essay-body{font-family:var(--serif);font-size:20px;line-height:1.85;color:#364b3d}.essay-body p{margin-bottom:25px}.essay-body p:first-child::first-letter{float:left;font:normal 67px/.95 var(--serif);padding-right:8px;padding-top:9px;color:var(--ink)}.essay-sources{border-top:1px solid var(--line);margin-top:40px;padding-top:27px;margin-bottom:32px}.essay-sources h2{font-size:28px}.essay-sources ul{padding-left:19px;color:var(--text);font-size:13px;line-height:1.8}.essay-sources li{margin-bottom:10px}.essay-sources a{text-underline-offset:4px;overflow-wrap:anywhere}.poster-listing{display:grid;grid-template-columns:220px 1fr;gap:35px;align-items:center;padding:30px;background:#fafbf4;border:1px solid #d5dfc7;border-radius:8px;margin-top:33px}.poster-cover{min-height:250px;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;padding:24px;background:#d7e3c6;border:1px solid #acbe94;box-shadow:5px 5px 0 #e8eddd}.poster-cover>span{font-size:9px;letter-spacing:1.1px;font-weight:700}.poster-cover strong{font:normal 36px/1.15 var(--serif);letter-spacing:-1px}.poster-cover small{font-size:8px;letter-spacing:1.4px}.poster-listing h2{font-size:34px;letter-spacing:-.8px;max-width:600px}.poster-listing p{font-size:14px;line-height:1.8;color:var(--text);max-width:630px}.poster-listing .eyebrow{font-size:9px}.poster-listing .small-note{margin-top:13px;margin-bottom:0}.status-label.pending{background:#eee9d9;color:#6b6041}
@media(max-width:960px){.site-header .header-inner{min-height:76px}.site-header>nav{display:none;position:absolute;top:76px;left:0;right:0;width:100%;margin:0;padding:15px 24px 22px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;font-size:14px;max-height:calc(100dvh - 76px);overflow-y:auto}.site-header>nav[data-open=true]{display:flex}.site-header>nav a{padding:12px 14px;min-height:47px}.site-header>nav a[aria-current=page]{background:#eaf0df}.site-header>nav a[aria-current=page]::after{top:12px;bottom:12px;left:0;right:auto;width:3px;height:auto}.site-header .brand img{width:40px;height:40px}.editorial-split{gap:35px}.product-showcase{gap:35px;padding:30px}.oped-feature{gap:30px;padding:28px}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.oped-feature h2{font-size:35px}.three-columns{gap:25px}.page-intro{padding-top:38px}html{scroll-padding-top:100px}}
@media(max-width:700px){.editorial-split,.product-showcase,.oped-feature{grid-template-columns:1fr}.editorial-split{gap:28px;padding-top:10px;padding-bottom:45px}.page-intro{padding-bottom:30px}.page-intro h1{font-size:44px;letter-spacing:-1.6px}.page-intro .section-lead,.action-principles>.section-lead{font-size:15px}.statement-card{padding:28px}.action-principles{padding-top:25px;padding-bottom:45px}.action-principles h2{font-size:33px}.three-columns{grid-template-columns:1fr;gap:26px}.three-columns .topic-number{margin-bottom:12px}.three-columns h3{margin-bottom:12px}.product-showcase{gap:12px}.product-identity>img{width:65px;height:65px;margin-bottom:20px}.product-identity h2{font-size:38px}.oped-symbol{min-height:190px;max-width:260px;width:100%;justify-self:center;font-size:80px}.oped-symbol>span{margin-top:18px}.oped-feature{gap:30px}.resource-section{padding-top:45px;padding-bottom:40px}.resource-grid{grid-template-columns:1fr;gap:15px}.resource-card{padding:25px}.poster-listing{grid-template-columns:150px 1fr;gap:23px;padding:25px}.poster-cover{padding:18px;min-height:230px}.poster-cover strong{font-size:28px}.poster-listing h2{font-size:29px}.essay{padding-top:32px}.essay-body{font-size:18px}.essay-header h1{font-size:43px;letter-spacing:-1.5px}}
@media(max-width:580px){.site-header .header-inner{gap:7px}.site-header .brand{gap:4px;font-size:17px;letter-spacing:-.7px}.site-header .brand img{width:33px;height:33px}.header-actions{gap:7px}.header-actions .nav-cta{padding:8px 10px;gap:7px;font-size:10px}.cta-full{display:none}.cta-short{display:inline}.header-actions .menu-toggle{font-size:10px;padding:8px 9px;gap:6px}.header-actions .menu-toggle span{display:none}.page-intro{padding-top:30px}.page-intro h1{font-size:40px}.page-intro .eyebrow{font-size:9px}.product-showcase,.oped-feature{padding:25px 22px}.product-description .hero-actions{gap:17px}.poster-listing{grid-template-columns:1fr;padding:23px;gap:28px}.poster-cover{max-width:180px;min-height:210px}.poster-cover strong{font-size:32px}.poster-listing h2{font-size:30px}.essay-header h1{font-size:38px}.essay .editor-note{padding:17px 19px}.essay-body{font-size:18px;line-height:1.8}.essay-sources h2{font-size:26px}.site-footer .brand{font-size:20px}.site-footer .brand img{width:38px;height:38px}}