:root{--ink:#101918;--deep:#071d1a;--paper:#f4f0e7;--white:#fffefa;--teal:#0d6b61;--mint:#b8e3d5;--red:#ef5a3c;--yellow:#f1c75b;--muted:#64716d;--line:rgba(16,25,24,.18);--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.62 "Aptos","Trebuchet MS",sans-serif}body.menu-open{overflow:hidden}a{color:inherit}img{display:block;max-width:100%}.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip:focus{position:fixed;z-index:100;top:14px;left:14px;width:auto;height:auto;padding:10px 14px;clip-path:none;background:#fff;color:#000}
.site-header{position:absolute;z-index:20;top:0;right:0;left:0;display:flex;align-items:center;justify-content:space-between;min-height:82px;padding:0 max(22px,4vw);border-bottom:1px solid rgba(255,255,255,.25);color:#fff}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font:800 18px/1.05 Georgia,serif}.brand-mark{display:grid;width:39px;height:39px;place-items:center;border:1px solid currentColor;color:var(--mint);font:700 14px/1 monospace}.site-nav{display:flex;align-items:center;gap:25px}.site-nav a{font-size:12px;font-weight:800;text-decoration:none;text-transform:uppercase}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--mint)}.nav-cta{padding:10px 14px;border:1px solid currentColor}.menu-button{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.65);background:transparent;color:#fff;font:800 12px/1 sans-serif;text-transform:uppercase}
.hero{position:relative;display:grid;min-height:78vh;align-items:end;overflow:hidden;background:var(--deep);color:#fff}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,17,15,.96) 0%,rgba(4,17,15,.82) 38%,rgba(4,17,15,.22) 72%,rgba(4,17,15,.1))}.hero-copy{position:relative;z-index:1;width:min(var(--max),calc(100% - 44px));margin:0 auto;padding:150px 0 64px}.signal-line,.eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 18px;font:800 11px/1.2 monospace;text-transform:uppercase}.signal-line:before,.eyebrow:before{content:"";width:34px;height:3px;background:var(--red)}.hero h1,.page-hero h1{max-width:900px;margin:0;font:700 clamp(50px,7.8vw,108px)/.92 Georgia,serif;letter-spacing:0}.hero h1 span{color:var(--mint)}.hero-copy>p:not(.signal-line){max-width:690px;margin:25px 0 0;font-size:clamp(18px,2vw,24px);line-height:1.45}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;min-height:45px;align-items:center;padding:10px 17px;border:1px solid var(--white);background:var(--white);color:var(--deep);font-size:13px;font-weight:800;text-decoration:none}.button.secondary{background:transparent;color:#fff}.hero-proof{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:35px;color:#cfe0dc;font-size:13px}.hero-proof span:before{content:"";display:inline-block;width:7px;height:7px;margin-right:8px;border-radius:50%;background:var(--mint)}
.field-notes{padding:40px max(22px,4vw) 48px;background:var(--white);border-bottom:1px solid var(--line)}.notes-shell{width:min(var(--max),100%);margin:auto}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:20px}.section-head h2{margin:0;font:700 clamp(32px,4.4vw,58px)/1 Georgia,serif}.section-head p{max-width:550px;margin:0;color:var(--muted)}.tabs{border-top:1px solid var(--ink)}.tab-controls{display:flex;gap:4px;padding:12px 0;overflow:auto}.tab-button{flex:0 0 auto;min-height:38px;padding:8px 15px;border:1px solid var(--line);background:transparent;color:var(--ink);font:800 12px/1 sans-serif;cursor:pointer}.tab-button[aria-selected=true]{border-color:var(--deep);background:var(--deep);color:#fff}.tab-panel[hidden]{display:none}.article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}.article-row{display:grid;grid-template-columns:52px 1fr auto;gap:14px;align-items:center;min-height:82px;padding:13px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none}.article-row:nth-child(even){border-right:0}.article-row:hover{background:#e7f0eb}.article-code{color:var(--teal);font:800 11px/1 monospace}.article-row strong{display:block;font:700 17px/1.25 Georgia,serif;overflow-wrap:anywhere}.article-row small{display:block;margin-top:5px;color:var(--muted);font-size:11px;text-transform:uppercase}.arrow{font-size:22px;color:var(--red)}
.principle{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(40px,8vw,120px);width:min(var(--max),calc(100% - 44px));margin:auto;padding:clamp(72px,10vw,138px) 0}.principle-index{font:700 clamp(80px,15vw,190px)/.78 Georgia,serif;color:var(--mint)}.principle h2,.content-band h2{margin:0 0 24px;font:700 clamp(38px,5vw,70px)/.98 Georgia,serif}.principle .lead{font-size:clamp(21px,2.3vw,30px);line-height:1.42}.principle p{max-width:780px}.signal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:34px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.signal{min-height:170px;padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.signal b{display:block;margin-bottom:28px;color:var(--red);font:800 11px/1 monospace}.signal h3{margin:0 0 8px;font:700 23px/1.1 Georgia,serif}.signal p{margin:0;color:var(--muted);font-size:14px}
.process{background:var(--deep);color:#fff}.content-band{width:min(var(--max),calc(100% - 44px));margin:auto;padding:clamp(70px,9vw,120px) 0}.process .eyebrow{color:var(--mint)}.process-list{margin-top:36px;border-top:1px solid rgba(255,255,255,.25)}.process-row{display:grid;grid-template-columns:90px .75fr 1.25fr;gap:30px;padding:28px 0;border-bottom:1px solid rgba(255,255,255,.25)}.process-row b{color:var(--red);font:800 12px/1 monospace}.process-row h3{margin:0;font:700 clamp(24px,3vw,38px)/1.05 Georgia,serif}.process-row p{margin:0;color:#bcd0cb}
.proof-band{background:var(--yellow)}.proof-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ink);border-left:1px solid var(--ink)}.proof-item{padding:22px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink)}.proof-item b{display:block;font:700 22px/1.1 Georgia,serif}.proof-item span{display:block;margin-top:8px;font-size:13px}
.page-header{position:relative;background:var(--deep)}.page-header .site-header{position:relative}.page-hero{padding:clamp(70px,10vw,130px) max(22px,4vw);background:var(--deep);color:#fff}.page-hero-inner{width:min(var(--max),100%);margin:auto}.page-hero p{max-width:780px;margin:24px 0 0;color:#c4d4d0;font-size:clamp(18px,2vw,24px)}.page-hero h1{font-size:clamp(43px,7vw,86px)}
.prose{width:min(850px,calc(100% - 44px));margin:auto;padding:65px 0 110px}.prose h2{margin:2em 0 .55em;font:700 clamp(30px,4vw,48px)/1.05 Georgia,serif}.prose h3{margin:1.7em 0 .45em;font:700 25px/1.15 Georgia,serif}.prose p,.prose li{font-size:18px}.prose blockquote{margin:42px 0;padding:23px 0 23px 25px;border-left:5px solid var(--red);font:700 24px/1.4 Georgia,serif}.prose .note{padding:20px;border:1px solid var(--line);background:var(--white)}.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:28px;color:var(--muted);font:800 11px/1 monospace;text-transform:uppercase}.article-page .page-hero{background:#123d38}.article-page .page-hero h1{max-width:1050px;font-size:clamp(42px,6.5vw,82px)}
.library{background:var(--white)}.library-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}.library-card{display:flex;min-height:180px;flex-direction:column;justify-content:space-between;padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none}.library-card:hover{background:#e7f0eb}.library-card h2{margin:0;font:700 27px/1.08 Georgia,serif}.library-card span{color:var(--teal);font:800 11px/1 monospace;text-transform:uppercase}.service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.service-block{padding:30px;background:var(--white)}.service-block h2{font-size:34px}.contact-brief{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.brief-box{padding:28px;border:1px solid var(--line);background:var(--white)}.brief-box ol{padding-left:20px}.brief-box li{margin:10px 0}.site-footer{padding:44px max(22px,4vw);background:#050e0d;color:#fff}.footer-inner{display:grid;grid-template-columns:1fr auto;gap:30px;width:min(var(--max),100%);margin:auto}.footer-copy p{max-width:520px;margin:12px 0 0;color:#9fb2ad;font-size:14px}.footer-nav{display:flex;flex-wrap:wrap;gap:18px;align-content:start}.footer-nav a{font-size:12px;font-weight:800;text-transform:uppercase}.legal{grid-column:1/-1;margin:15px 0 0;padding-top:25px;border-top:1px solid #263432;color:#80918d;font-size:12px}
@media(max-width:900px){.site-header{position:relative;background:var(--deep)}.hero{margin-top:-82px;padding-top:82px}.site-nav{position:fixed;z-index:30;inset:82px 0 0;display:none;align-content:start;flex-direction:column;align-items:stretch;padding:30px;background:var(--paper);color:var(--ink)}.site-nav.open{display:flex}.site-nav a{padding:12px 0;font-size:17px}.menu-button{display:block}.article-list,.library-list{grid-template-columns:1fr}.article-row{border-right:0}.principle{grid-template-columns:1fr}.principle-index{font-size:100px}.signal-grid{grid-template-columns:1fr 1fr}.process-row{grid-template-columns:55px 1fr}.process-row p{grid-column:2}.proof-grid{grid-template-columns:1fr 1fr}.contact-brief{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}}
@media(max-width:560px){body{font-size:16px}.hero{min-height:calc(100svh - 54px)}.hero:after{background:rgba(4,17,15,.78)}.hero-copy{padding-top:112px;padding-bottom:26px}.hero h1{font-size:47px}.hero-copy>p:not(.signal-line){margin-top:18px;font-size:17px;line-height:1.42}.hero-actions{gap:8px;margin-top:20px}.hero-actions .button{min-height:42px}.hero-proof{gap:7px 18px;margin-top:20px;font-size:12px}.section-head{align-items:start;flex-direction:column}.article-row{grid-template-columns:40px 1fr auto;padding-inline:8px}.article-row small{display:none}.signal-grid,.proof-grid{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr}.page-hero h1{font-size:45px}.footer-nav{flex-direction:column}.hero-actions .button{width:100%;justify-content:center}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}