:root{--basalt:#1f1f1f;--sediment:#6b6f73;--clay:#f4f3f1;--paper:#fbfaf8;--line:#d6d0c8;--umber:#5a4636;--moss:#4e6b57;--stone:#b9afa3;--white:#fff;--teal:#1a8b8b;--teal-dark:#0f5a5a;--teal-pale:#e8f5f5;--max:1180px;--radius:8px;--shadow:0 24px 70px #1f1f1f17}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--clay);color:var(--basalt);text-rendering:optimizelegibility;margin:0;font-family:Inter,"Source Sans 3",system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.55}img,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}a:hover{color:var(--teal-dark)}::selection{background:var(--teal);color:var(--white)}.skip-link{z-index:20;background:var(--basalt);color:var(--clay);border-radius:4px;padding:10px 14px;position:absolute;top:-60px;left:16px}.skip-link:focus{top:16px}.site-header{z-index:10;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f4f3f1eb;border-bottom:1px solid #1f1f1f14;position:sticky;top:0}.nav{width:min(var(--max), calc(100% - 40px));justify-content:space-between;align-items:center;gap:28px;min-height:72px;margin:0 auto;display:flex}.brand{letter-spacing:.02em;align-items:center;gap:12px;min-width:max-content;font-weight:650;display:inline-flex}.brand img{width:64px;height:auto}.brand-word{line-height:1;display:grid}.brand-word span:first-child{text-transform:uppercase;font-size:15px}.brand-word span:last-child{color:var(--teal);font-size:12px;font-weight:600}.nav-menu{color:var(--sediment);align-items:center;gap:26px;font-size:14px;font-weight:520;display:flex}.nav-menu a:hover{color:var(--teal-dark)}.nav-cta{color:var(--basalt);border-bottom:1px solid var(--teal);padding-bottom:2px}.nav-cta:hover{color:var(--teal-dark);border-color:var(--teal-dark)}.nav-toggle{border:1px solid var(--line);background:0 0;border-radius:6px;place-items:center;width:42px;height:42px;display:none}.nav-toggle span,.nav-toggle:before,.nav-toggle:after{content:"";background:var(--basalt);width:18px;height:1.5px;display:block}.nav-toggle span{margin:5px 0}.section{border-top:1px solid #1f1f1f14;padding:104px 0}.section:first-child{border-top:0}.container{width:min(var(--max), calc(100% - 40px));margin:0 auto}.eyebrow{color:var(--teal-dark);letter-spacing:.13em;text-transform:uppercase;margin:0 0 14px;font-size:12px;font-weight:700}h1,h2,h3{letter-spacing:0;margin:0;line-height:1.02}h1{max-width:820px;font-size:clamp(3rem,8vw,7rem);font-weight:650}h2{max-width:760px;font-size:clamp(2.1rem,4.8vw,4.6rem);font-weight:650}h3{font-size:clamp(1.28rem,1.7vw,1.6rem);font-weight:650}p{margin:0}.lead{max-width:680px;color:var(--sediment);font-size:clamp(1.14rem,1.7vw,1.45rem);line-height:1.5}.hero{align-items:end;min-height:calc(100svh - 72px);padding:104px 0 88px;display:grid;position:relative;overflow:clip}.hero:after{content:"";pointer-events:none;background:linear-gradient(#f4f3f100,#f4f3f1fa);height:38%;position:absolute;inset:auto 0 0}.hero-visual{right:max(-80px, calc((100vw - var(--max)) / 2 - 140px));opacity:.88;width:min(58vw,800px);min-width:500px;position:absolute;bottom:16px}.hero-content{z-index:1;width:min(var(--max), calc(100% - 40px));margin:0 auto;position:relative}.hero .lead{margin-top:28px}.hero-badges{flex-wrap:wrap;gap:10px;margin-top:32px;display:flex}.hero-badge{letter-spacing:.07em;text-transform:uppercase;color:var(--teal-dark);background:#1a8b8b0d;border:1px solid #1a8b8b59;border-radius:3px;padding:6px 12px;font-size:11px;font-weight:600}.actions{flex-wrap:wrap;align-items:center;gap:14px;margin-top:42px;display:flex}.button{border:1px solid var(--basalt);background:var(--basalt);min-height:48px;color:var(--clay);border-radius:4px;justify-content:center;align-items:center;padding:0 18px;font-weight:650;display:inline-flex}.button:hover{color:var(--white);background:var(--teal-dark);border-color:var(--teal-dark)}.button.secondary{color:var(--basalt);background:0 0;border-color:#0000}.button.secondary:hover{color:var(--teal-dark);border-color:#1a8b8b4d}.section-intro{grid-template-columns:minmax(0,1fr) minmax(280px,430px);align-items:end;gap:48px;margin-bottom:54px;display:grid}.muted{color:var(--sediment)}.system-blocks{border:1px solid var(--line);background:#fbfaf89e;grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.system-block{border-left:1px solid var(--line);align-content:space-between;gap:34px;min-height:330px;padding:30px;display:grid}.system-block:first-child{border-left:0}.line-diagram{height:118px;color:var(--basalt)}.system-block p,.principle-card p,.page-card p{color:var(--sediment)}.comparison{border:1px solid var(--line);background:var(--paper);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.comparison-column{padding:42px}.comparison-column+.comparison-column{border-left:1px solid var(--line);background:#1a8b8b0d}.comparison ul,.plain-list{margin:26px 0 0;padding:0;list-style:none}.comparison li,.plain-list li{color:var(--sediment);border-top:1px solid #1f1f1f17;padding:13px 0 13px 24px;position:relative}.comparison li:before,.plain-list li:before{content:"";border:1px solid var(--teal);width:8px;height:8px;position:absolute;top:23px;left:0;transform:rotate(45deg)}.closing-line{color:var(--basalt);margin-top:34px;font-size:clamp(1.35rem,2.4vw,2.2rem);line-height:1.2}.system-view{overflow:hidden}.system-diagram{border:1px solid var(--line);background:var(--paper);grid-template-columns:repeat(4,minmax(210px,1fr));gap:0;display:grid}.system-node{border-left:1px solid var(--line);opacity:.45;grid-template-rows:auto 1fr auto;gap:22px;min-height:310px;padding:28px;transition:opacity 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minmax(280px,520px);align-items:center;gap:72px;display:grid}.large-copy{color:var(--sediment);gap:24px;font-size:clamp(1.18rem,1.8vw,1.58rem);line-height:1.5;display:grid}.time-depth{border:1px solid var(--line);background:var(--paper);min-height:520px;padding:34px}.depth-scale{border-left:1px solid var(--basalt);background:linear-gradient(#e9e5df 0 20%,#d7cdc1 20% 43%,#baa693 43% 68%,#796555 68% 100%);height:440px;position:relative}.depth-scale:before{content:"";background:var(--teal);opacity:.55;width:3px;position:absolute;top:0;bottom:0;right:0}.depth-scale span{color:var(--basalt);font-weight:650;position:absolute;left:24px}.depth-scale span:first-child{top:24px}.depth-scale span:nth-child(2){top:38%}.depth-scale span:nth-child(3){top:67%}.depth-scale span:nth-child(4){bottom:22px}.partners-grid,.principles-grid,.page-grid{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;display:grid}.partner,.principle-card,.page-card{background:var(--paper);min-height:210px;padding:28px}.page-card{align-content:start;gap:20px;display:grid}.partner{align-content:space-between;display:grid}.partner span{border:1px solid var(--teal);background:linear-gradient(90deg, transparent 47%, var(--teal) 48% 52%, transparent 53%), linear-gradient(transparent 47%, var(--teal) 48% 52%, transparent 53%);opacity:.7;width:44px;height:44px;display:block}.principle-card{gap:22px;display:grid}.principle-card a,.text-link{width:fit-content;color:var(--teal-dark);border-bottom:1px solid #1a8b8b59;align-self:end;font-weight:650}.about-band{grid-template-columns:.8fr 1.2fr;align-items:start;gap:70px;display:grid}.about-copy{color:var(--sediment);gap:22px;font-size:clamp(1.2rem,2vw,1.75rem);line-height:1.45;display:grid}.stat-band{background:var(--teal-pale);border-top:1px solid #1a8b8b59;border-bottom:1px solid var(--line);padding:52px 0}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:36px;display:grid}.stat-value{color:var(--basalt);margin-bottom:8px;font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:700;line-height:1}.stat-label{color:var(--teal-dark);letter-spacing:.04em;text-transform:uppercase;font-size:12.5px;font-weight:600}.stat-note{color:var(--sediment);margin-top:4px;font-size:12px}.closing{background:var(--basalt);color:var(--clay);padding:116px 0}.closing .eyebrow{color:var(--teal)}.closing .lead{color:#f4f3f1b8;margin-top:22px}.closing .button{background:var(--teal);color:var(--white);border-color:var(--teal)}.closing .button:hover{background:var(--teal-dark);border-color:var(--teal-dark)}.site-footer{background:var(--basalt);color:#f4f3f1bd;border-top:1px solid #f4f3f124}.footer-inner{width:min(var(--max), calc(100% - 40px));justify-content:space-between;align-items:center;gap:24px;margin:0 auto;padding:34px 0;display:flex}.footer-meta{color:#f4f3f180;font-size:13px;line-height:1.6}.footer-links{flex-wrap:wrap;gap:22px;display:flex}.footer-links a:hover{color:var(--teal)}.page-hero{padding:112px 0 78px}.page-hero .lead{margin-top:26px}.page-body{padding-bottom:104px}.article{gap:26px;width:min(780px,100% - 40px);margin:0 auto;display:grid}.article p,.article li{color:var(--sediment);font-size:1.08rem}.article h2{margin-top:28px;font-size:clamp(1.8rem,3vw,3rem)}.article h2:first-of-type{margin-top:8px}.layer-list{background:var(--line);border:1px solid var(--line);gap:1px;margin-top:40px;display:grid}.layer-row{background:var(--paper);grid-template-columns:90px 1fr;align-items:start;gap:28px;padding:34px 36px;display:grid}.layer-index{color:var(--teal-dark);letter-spacing:.05em;font-size:13px;font-weight:700}.layer-row h3{margin-bottom:10px}.layer-row p{color:var(--sediment);max-width:640px}.contact-panel{border:1px solid var(--line);background:var(--paper);width:min(780px,100% - 40px);margin:0 auto;padding:40px}.contact-panel a{color:var(--teal-dark);border-bottom:1px solid #1a8b8b59;font-weight:650}.contact-form{gap:22px;display:grid}.contact-form label{color:var(--basalt);gap:8px;font-size:14px;font-weight:650;display:grid}.contact-form .field-row{grid-template-columns:1fr 1fr;gap:22px;display:grid}.contact-form input,.contact-form select,.contact-form textarea{border:1px solid var(--line);background:var(--clay);width:100%;color:var(--basalt);font:inherit;border-radius:4px;padding:13px 14px}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline-offset:2px;border-color:var(--teal);outline:2px solid #1a8b8b47}.contact-form textarea{resize:vertical}.contact-form button[type=submit]:disabled{opacity:.55;cursor:not-allowed}.hidden-field{opacity:0;height:1px;position:absolute;left:-10000px;width:1px!important}.form-success{gap:10px;padding:20px 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