[hidden]{display:none!important}
/* SDIF brand system — tokens derived from original logo SVG fills. See docs/BRAND_SYSTEM.md */
@font-face{font-family:"Inter";src:url(/fonts/inter-var.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/fonts/plexmono-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/fonts/plexmono-Medium.woff2) format("woff2");font-weight:500;font-display:swap}
:root{
  --ink:#0B0D0F;--green:#075A42;--slate:#4A5560;--mint:#3DF5B5;--field:#0D8564;--paper:#F2F0EA;--mist:#8E9AA3;
  --white:#FFFFFF;--ink2:#15191C;--line:#D9D6CD;--line-d:rgba(242,240,234,.14);
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--mono:"Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;--s9:96px;--s10:128px;
  --gutter:16px;--pad:20px;--max:1320px;--sec:72px;--hdr:64px;
  --fs-d:clamp(2.5rem,1.6rem + 4.2vw,5.2rem);--fs-h1:clamp(2.2rem,1.5rem + 3vw,4rem);--fs-h2:clamp(1.75rem,1.3rem + 1.8vw,3rem);--fs-h3:1.2rem;--fs-lede:clamp(1.08rem,1rem + .4vw,1.3rem);
  --ease:cubic-bezier(.2,.7,.1,1);
}
@media (min-width:820px){:root{--gutter:24px;--pad:40px;--sec:96px;--hdr:76px}}
@media (min-width:1100px){:root{--gutter:32px;--pad:56px;--sec:128px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 16px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
html.nav-lock{overflow:hidden}
body{margin:0;font-family:var(--sans);font-size:1.0625rem;line-height:1.65;color:var(--ink);background:var(--white);font-feature-settings:"cv11","ss01";-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-weight:560;letter-spacing:-.02em;line-height:1.1;text-wrap:balance}
h3{font-size:var(--fs-h3);font-weight:600;letter-spacing:-.01em;line-height:1.3}
.h4{font-size:1.15rem;font-weight:600}
p{margin:0 0 1em}p:last-child{margin-bottom:0}
a{color:var(--green);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--field);outline-offset:3px;border-radius:1px}
.sec-ink :focus-visible,.hero :focus-visible,.site-header :focus-visible,.mnav :focus-visible,.cta :focus-visible{outline-color:var(--mint)}
code{font-family:var(--mono);font-size:.88em;background:rgba(11,13,15,.06);padding:.1em .35em}
.mono{font-family:var(--mono);font-weight:500;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.muted{color:var(--slate)}
.label{color:var(--slate);margin-bottom:var(--s3)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--mint);color:var(--ink);padding:10px 16px;font-weight:600}
.skip:focus{top:12px}
main{display:block;outline:none}
.dot{display:inline-block;width:7px;height:7px;background:var(--mint);margin-right:10px;vertical-align:1px}

/* View transitions */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .22s var(--ease) both}
::view-transition-new(root){animation:vt-in .38s var(--ease) both}
@keyframes vt-out{to{opacity:0}}
@keyframes vt-in{from{opacity:0;transform:translateY(8px)}}
.site-header{view-transition-name:hdr}
@media (prefers-reduced-motion:reduce){@view-transition{navigation:none}::view-transition-old(root),::view-transition-new(root){animation:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:12px;min-height:48px;padding:0 22px;font:600 .95rem/1 var(--sans);letter-spacing:.005em;text-decoration:none;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,transform .2s var(--ease);cursor:pointer}
.btn .icon{width:18px;height:18px;transition:transform .25s var(--ease)}
.btn:hover .icon{transform:translateX(3px)}
.btn-green{background:var(--green);color:var(--white)}.btn-green:hover{background:var(--ink)}
.btn-line{border-color:var(--ink);color:var(--ink)}.btn-line:hover{background:var(--ink);color:var(--white)}
.btn-mint{background:var(--mint);color:var(--ink)}.btn-mint:hover{background:var(--paper)}
.btn-ghost-dark{border-color:rgba(242,240,234,.35);color:var(--paper)}.btn-ghost-dark:hover{border-color:var(--mint);color:var(--mint)}
.btn[disabled]{opacity:.6;cursor:progress}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--ink);border-bottom:1px solid var(--line-d)}
.hdr{display:flex;align-items:center;justify-content:space-between;height:var(--hdr)}
.brand{display:block;flex:none}
.brand-img{height:34px;width:auto}
@media (min-width:820px){.brand img{height:38px;width:auto}}
.nav-desktop{display:none}
.nav-desktop ul{display:flex;gap:clamp(18px,2.4vw,40px);list-style:none;margin:0;padding:0}
.nav-desktop a{color:var(--paper);text-decoration:none;font-size:.92rem;font-weight:500;padding:8px 0;position:relative}
.nav-desktop a::after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--mint);transition:right .3s var(--ease)}
.nav-desktop a:hover::after,.nav-desktop a[aria-current]::after{right:0}
.nav-desktop a[aria-current]{color:var(--white)}
.nav-toggle{display:inline-flex;align-items:center;gap:10px;background:none;border:1px solid var(--line-d);color:var(--paper);height:44px;padding:0 14px;font:500 .78rem var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.nav-toggle .icon{width:20px;height:20px}
@media (min-width:820px){.nav-desktop{display:block}.nav-toggle{display:none}}
/* Mobile nav */
.mnav{position:fixed;inset:0;z-index:80;background:var(--ink);color:var(--paper);display:flex;flex-direction:column;opacity:0;transition:opacity .25s var(--ease);overflow-y:auto}
.mnav.open{opacity:1}
.mnav-top{display:flex;align-items:center;justify-content:space-between;height:var(--hdr);border-bottom:1px solid var(--line-d)}
.nav-close{width:44px;height:44px;display:grid;place-items:center;background:none;border:1px solid var(--line-d);color:var(--paper);cursor:pointer}
.mnav-list{list-style:none;margin:0;padding:24px 0 0}
.mnav-list li{border-bottom:1px solid var(--line-d);transform:translateY(10px);opacity:0;transition:transform .4s var(--ease),opacity .4s var(--ease)}
.mnav.open .mnav-list li{transform:none;opacity:1}
.mnav.open .mnav-list li:nth-child(2){transition-delay:.03s}.mnav.open .mnav-list li:nth-child(3){transition-delay:.06s}.mnav.open .mnav-list li:nth-child(4){transition-delay:.09s}.mnav.open .mnav-list li:nth-child(5){transition-delay:.12s}.mnav.open .mnav-list li:nth-child(6){transition-delay:.15s}
.mnav-list a{display:flex;align-items:baseline;gap:18px;padding:18px 0;color:var(--paper);text-decoration:none;font-size:clamp(1.8rem,7vw,2.4rem);font-weight:520;letter-spacing:-.02em}
.mnav-list a .mono{color:var(--mist);font-size:.72rem}
.mnav-list a[aria-current]{color:var(--mint)}
.mnav-foot{margin-top:auto;padding-top:32px;padding-bottom:32px;color:var(--mist);text-transform:none;letter-spacing:.02em;font-size:.78rem;line-height:1.7}
.mnav-foot a{color:var(--mint)}

/* Home hero */
.hero{position:relative;background:var(--ink);color:var(--paper);overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-d) 1px,transparent 1px),linear-gradient(90deg,var(--line-d) 1px,transparent 1px);background-size:56px 56px;opacity:.28;z-index:-2;mask-image:linear-gradient(180deg,#000 30%,transparent)}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero-in{padding-top:clamp(56px,10vw,140px);padding-bottom:clamp(40px,6vw,88px);position:relative}
.hero .eyebrow{color:var(--mint);margin-bottom:28px}
.hero h1{font-size:var(--fs-d);letter-spacing:-.035em;line-height:1.02;max-width:13.5em;font-weight:560}
.hero .lede{max-width:36em;color:#C9CDD0;margin-top:28px}
.lede{font-size:var(--fs-lede);line-height:1.55}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-facts{display:grid;grid-template-columns:1fr 1fr;margin:0;border-top:1px solid var(--line-d);position:relative;background:rgba(11,13,15,.6);backdrop-filter:blur(2px)}
.hero-facts div{padding:20px 16px 24px 0;border-bottom:1px solid var(--line-d)}
.hero-facts div:nth-child(odd){padding-right:16px;border-right:1px solid var(--line-d)}
.hero-facts div:nth-child(even){padding-left:16px}
.hero-facts dt{color:var(--mist);margin-bottom:8px;font-size:.68rem}
.hero-facts dd{margin:0;font-size:.95rem;line-height:1.4;color:var(--paper)}
@media (max-width:819px){.hero-canvas{height:300px;top:0;mask-image:linear-gradient(180deg,#000 40%,transparent);opacity:.9}.hero-in{padding-top:200px}}
@media (min-width:820px){.hero{min-height:calc(100svh - var(--hdr));display:flex;flex-direction:column;justify-content:space-between}.hero-facts{grid-template-columns:repeat(4,1fr)}.hero-facts div,.hero-facts div:nth-child(odd),.hero-facts div:nth-child(even){padding:24px 24px 28px;border-right:1px solid var(--line-d);border-bottom:0}.hero-facts div:first-child{padding-left:0}.hero-facts div:last-child{border-right:0}.hero-canvas{mask-image:linear-gradient(90deg,transparent 30%,#000 70%)}}

/* Page hero */
.phero{position:relative;background:var(--ink);color:var(--paper);padding:clamp(56px,8vw,112px) 0 clamp(48px,6vw,88px);overflow:hidden;isolation:isolate}
.phero-grid-bg{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--line-d) 1px,transparent 1px),linear-gradient(90deg,var(--line-d) 1px,transparent 1px);background-size:56px 56px;opacity:.3;mask-image:linear-gradient(90deg,transparent 35%,#000)}
.phero .eyebrow{color:var(--mint);margin-bottom:24px}.phero .eyebrow a{color:var(--mint)}
.phero h1{font-size:var(--fs-h1);letter-spacing:-.03em;line-height:1.05;max-width:16em}
.phero .lede{color:#C9CDD0;max-width:38em;margin-top:24px}
.phero-grid{display:grid;gap:40px}
.phero-aside{border-top:1px solid var(--line-d);padding-top:24px}
.phero-aside .muted{color:var(--mist);text-transform:none;letter-spacing:.03em;line-height:1.8}
@media (min-width:1100px){.phero-grid{grid-template-columns:minmax(0,1fr) 340px;align-items:end;gap:80px}.phero-aside{border-top:0;border-left:1px solid var(--line-d);padding:0 0 0 32px}}
.facts{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0}
.facts div{padding:12px 0;border-bottom:1px solid var(--line-d)}
.facts dt{color:var(--mist);font-size:.66rem;margin-bottom:4px}.facts dd{margin:0;font-size:.95rem;color:var(--paper)}
@media (min-width:1100px){.facts{grid-template-columns:1fr}.facts div{display:flex;justify-content:space-between;gap:16px;align-items:baseline}.facts dd{text-align:right}}
.toc,.gov-stack{list-style:none;margin:0;padding:0}
.toc li,.gov-stack li{border-bottom:1px solid var(--line-d)}
.toc a{display:block;padding:12px 0;color:var(--paper);text-decoration:none;text-transform:none;letter-spacing:.02em;font-size:.82rem}
.toc a:hover{color:var(--mint)}
.gov-stack{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}
.gov-stack li{border:1px solid var(--line-d);padding:12px 8px;color:var(--paper);font-size:.62rem;display:flex;flex-direction:column;gap:18px}
.gov-stack li span{color:var(--mint)}
@media (min-width:1100px){.gov-stack{grid-template-columns:1fr;gap:6px}.gov-stack li{flex-direction:row;padding:12px 16px;font-size:.72rem}}

/* Sections */
.sec{padding:var(--sec) 0}
.sec-tight{padding:calc(var(--sec)*.6) 0}
.sec-paper{background:var(--paper)}
.sec-ink{background:var(--ink);color:var(--paper)}
.sec-ink .sh-intro,.sec-ink p{color:#C9CDD0}
.sec-ink h2,.sec-ink h3{color:var(--paper)}
.sh{display:grid;gap:20px;margin-bottom:clamp(40px,5vw,72px)}
.sh-idx{display:flex;align-items:center;gap:12px;color:var(--slate);padding-top:14px;border-top:1px solid var(--ink)}
.sh-idx span{color:var(--green)}
.sec-ink .sh-idx{color:var(--mist);border-color:var(--line-d)}.sec-ink .sh-idx span{color:var(--mint)}
.sh h2{font-size:var(--fs-h2);letter-spacing:-.028em;max-width:18em}
.sh-intro{margin-top:20px;max-width:40em;color:var(--slate);font-size:1.05rem}
@media (min-width:1100px){.sh{grid-template-columns:3fr 9fr;gap:var(--gutter)}.sh-main{border-top:1px solid var(--line);padding-top:10px}.sec-ink .sh-main{border-color:var(--line-d)}.sh-idx{align-self:start}}
.split{display:grid;gap:32px}
@media (min-width:1100px){.split{grid-template-columns:3fr 9fr;gap:var(--gutter)}.split>*:first-child{grid-column:1/2}.split{grid-template-columns:repeat(12,1fr)}.split>*:first-child{grid-column:4/9}.split>*:last-child{grid-column:9/13}}
@media (min-width:820px) and (max-width:1099px){.split{grid-template-columns:1fr 1fr;gap:40px}}
.statement{font-size:clamp(1.35rem,1.1rem + 1vw,1.9rem);line-height:1.35;letter-spacing:-.015em;font-weight:450;color:var(--ink)}
.sec-ink .statement{color:var(--paper)}
.prose{max-width:40em}.prose p{color:#2A3036}.sec-ink .prose p{color:#C9CDD0}
.prose h2{font-size:1.5rem;margin:2em 0 .6em}.prose h3{margin:1.6em 0 .5em}.prose ul{padding-left:1.2em}.prose li{margin:.3em 0}
.narrow{max-width:46em}
@media (min-width:1100px){.sec .narrow{margin-left:calc(25% + 8px)}}
.sec-link{margin-top:48px}

/* Operating areas */
.areas{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.area{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--white);position:relative}
.area a{display:flex;flex-direction:column;height:100%;padding:28px 24px 28px;color:var(--ink);text-decoration:none}
.area a::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.area a:hover::before,.area a:focus-visible::before{transform:scaleX(1)}
.area-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:48px}
.area-n{color:var(--green)}
.area-ic{width:48px;height:48px;display:grid;place-items:center;border:1px solid var(--line);color:var(--green)}
.area h3{font-size:1.3rem;margin-bottom:14px;letter-spacing:-.015em}
.area p{color:var(--slate);font-size:.98rem;flex:1}
.area-more{display:inline-flex;align-items:center;gap:8px;margin-top:24px;color:var(--green)}
.area-more .icon{width:16px;height:16px;transition:transform .25s var(--ease)}
.area a:hover .area-more .icon{transform:translateX(4px)}
@media (max-width:819px){.areas{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;border:0;gap:12px;margin:0 calc(var(--pad)*-1);padding:0 var(--pad) 8px;scrollbar-width:thin}.area{flex:0 0 84%;scroll-snap-align:start;border:1px solid var(--line)}}
@media (min-width:820px){.areas{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.areas{grid-template-columns:repeat(4,1fr)}.area a{min-height:440px;padding:32px 28px}}
.areas-demo{display:grid;grid-template-columns:1fr;gap:24px;border:0;margin:0 0 40px;padding:0;overflow:visible}
@media (min-width:820px){.areas-demo{grid-template-columns:1fr 1fr}}
.areas-demo .area{border:1px solid var(--line);flex:auto}.areas-demo .area a{min-height:0}

/* Principles */
.principles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:0}
.principles li{padding:28px 0;border-top:1px solid var(--line);display:grid;gap:10px}
.pr-n{color:var(--green)}
.principles h3{font-size:1.25rem}.principles p{color:var(--slate)}
@media (min-width:560px) and (max-width:819px){.principles{grid-template-columns:1fr 1fr;column-gap:24px}}
@media (min-width:820px){.principles{grid-template-columns:repeat(2,1fr);column-gap:var(--gutter)}}
@media (min-width:1100px){.principles{grid-template-columns:repeat(4,1fr)}.principles li{padding:32px 24px 8px 0}}

/* Controls (ink) */
.ctrl-grid{display:grid;gap:1px;background:var(--line-d);border:1px solid var(--line-d)}
.ctrl{background:var(--ink);padding:28px 24px}
.ctrl-ic{display:grid;place-items:center;width:44px;height:44px;border:1px solid rgba(61,245,181,.4);color:var(--mint);margin-bottom:28px}
.ctrl h3{margin-bottom:10px}.ctrl p{font-size:.96rem}
@media (min-width:560px){.ctrl-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.ctrl-grid{grid-template-columns:repeat(4,1fr)}.ctrl{padding:36px 28px 40px}}
.ctrl-demo{background:var(--ink);color:var(--paper)}.ctrl-demo p{color:#C9CDD0}

/* Research cats (home) */
.rcats{display:grid;gap:0;border-top:1px solid var(--ink)}
.rcat{display:grid;grid-template-columns:64px 1fr;gap:4px 16px;padding:24px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.rcat .mono{color:var(--green);grid-row:span 2;padding-top:4px}
.rcat p{color:var(--slate);font-size:.96rem;margin:0}
.rcat:hover h3{color:var(--green)}
@media (min-width:1100px){.rcats{grid-template-columns:repeat(3,1fr);column-gap:var(--gutter);border:0}.rcat{display:block;border-top:1px solid var(--ink);padding:24px 0 32px}.rcat h3{margin:20px 0 10px;font-size:1.4rem}}
.status-line{margin-top:32px;color:var(--slate)}
.notice-band{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start}
.notice-band p{color:var(--slate);max-width:54em;margin-top:8px}
.notice-ic{display:grid;place-items:center;width:48px;height:48px;background:var(--ink);color:var(--mint)}

/* CTA */
.cta{background:var(--green);color:var(--white);padding:clamp(56px,7vw,104px) 0;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-40px;top:-40px;width:320px;height:320px;background:linear-gradient(var(--white),var(--white)) 0 0/12px 12px no-repeat;opacity:0}
.cta-in{display:grid;gap:32px;align-items:end}
.cta .eyebrow{color:var(--mint);margin-bottom:18px}
.cta h2{font-size:var(--fs-h2);letter-spacing:-.028em;max-width:16em}
.cta p{color:#E3F1EB;max-width:38em;margin-top:18px}
@media (min-width:820px){.cta-in{grid-template-columns:1fr auto;gap:64px}}

/* About */
.plist{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--ink)}
.plist li{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:28px 0;border-bottom:1px solid var(--line)}
.plist .mono{color:var(--green);padding-top:5px}
.plist h3{margin-bottom:8px}.plist p{color:var(--slate)}
@media (min-width:820px){.plist{grid-template-columns:1fr 1fr;column-gap:var(--gutter)}}
@media (min-width:1100px){.plist{grid-template-columns:repeat(3,1fr)}.plist li{grid-template-columns:1fr;padding:28px 24px 36px 0}.plist li>div{margin-top:24px}}
.isnot{display:grid;gap:var(--gutter)}
@media (min-width:820px){.isnot{grid-template-columns:1fr 1fr}}
.isnot-col{padding:28px 24px;border:1px solid var(--line)}
.isnot-col.is{border-top:3px solid var(--green)}.isnot-col.not{border-top:3px solid var(--ink);background:var(--paper)}
.isnot-col h3{font-size:.75rem;color:var(--slate);margin-bottom:20px}
.isnot-col ul{list-style:none;margin:0;padding:0}
.isnot-col li{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line);font-size:1.02rem;line-height:1.45}
.isnot-col .icon{flex:none;width:20px;height:20px;margin-top:1px}
.is .icon{color:var(--green)}.not .icon{color:var(--slate)}
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline li{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:28px 0;border-top:1px solid var(--line-d);position:relative}
.timeline time,.timeline li>span{color:var(--mint);padding-top:4px}
.timeline .tl-open{opacity:.65}
.timeline .tl-open>span{color:var(--mist)}
@media (min-width:1100px){.timeline{margin-left:calc(25% + 8px)}.timeline li{grid-template-columns:200px 1fr}}
.office{display:grid;gap:var(--gutter)}
.office>*{display:flex;gap:20px;padding:28px 24px;border:1px solid var(--line);font-style:normal}
.office-ic{flex:none;display:grid;place-items:center;width:44px;height:44px;background:var(--paper);color:var(--green)}
@media (min-width:820px){.office{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.office{margin-left:calc(25% + 8px)}}

/* Infrastructure */
.kv{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.kv li{display:grid;gap:4px;padding:16px 0;border-bottom:1px solid var(--line);font-size:.98rem}
.kv .mono{color:var(--green);font-size:.68rem}
@media (min-width:1100px){.split .kv{grid-column:9/13}.split .prose{grid-column:4/9}}
.pillars{display:grid;gap:12px}
.pillars>div{display:grid;grid-template-columns:44px 1fr;gap:4px 16px;padding:20px;background:var(--white);border:1px solid var(--line)}
.pillars span{grid-row:span 2;display:grid;place-items:center;width:44px;height:44px;background:var(--ink);color:var(--mint)}
.pillars h3{font-size:1.05rem}.pillars p{font-size:.92rem;color:var(--slate)}
.fig{margin:0 0 56px;border:1px solid var(--line-d);background:var(--ink2);padding:clamp(12px,2vw,28px)}
.fig figcaption{color:var(--mist);margin-top:16px;font-size:.66rem}
.diagram{width:100%;height:auto}
.diagram-wide{display:none}
@media (min-width:820px){.diagram-wide{display:block}.diagram-tall{display:none}}
.diagram-tall{max-width:420px;margin:0 auto}
.d-grid{fill:none;stroke:rgba(242,240,234,.05);stroke-width:1}
.diagram rect{fill:var(--ink);stroke:rgba(142,154,163,.55);stroke-width:1}
.d-net>rect{fill:rgba(61,245,181,.06);stroke:var(--mint)}
.d-key>rect{fill:rgba(13,133,100,.14);stroke:var(--field)}
.d-key .d-vault{fill:var(--ink);stroke:var(--field);stroke-dasharray:4 3}
.d-mon>rect{fill:rgba(142,154,163,.06);stroke:var(--mist);stroke-dasharray:6 4}
.d-mon .d-chip{fill:var(--ink);stroke:rgba(142,154,163,.45);stroke-dasharray:none}
.diagram .d-node{fill:var(--mint);stroke:none}
.d-link,.d-flow{fill:none;stroke:var(--mint);stroke-width:1.5}
.d-dash{stroke:var(--mist);stroke-dasharray:4 4}
.d-t{fill:var(--paper);font:600 17px var(--sans)}
.d-s{fill:var(--mist);font:500 12.5px var(--mono);letter-spacing:.02em}
.d-l{fill:var(--mint);font:500 12px var(--mono);letter-spacing:.1em}
.diagram-tall .d-t{font-size:16px}.diagram-tall .d-s{font-size:11.5px}
.d-vert{font-size:10.5px;letter-spacing:.14em}
.layers{display:grid;gap:1px;background:var(--line-d);border:1px solid var(--line-d)}
.layer{background:var(--ink);padding:28px 24px}
.layer header{display:flex;justify-content:space-between;align-items:center;color:var(--mint);margin-bottom:28px}
.layer h3{margin-bottom:10px}.layer p{font-size:.95rem}
.layer ul{list-style:none;margin:18px 0 0;padding:0}
.layer li{font:500 .7rem/1.5 var(--mono);letter-spacing:.04em;color:var(--mist);padding:8px 0;border-top:1px solid var(--line-d)}
@media (min-width:560px){.layers{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.layers{grid-template-columns:repeat(4,1fr)}}
.dev-grid{display:grid;gap:0;border-top:1px solid var(--ink)}
.dev-grid article{padding:28px 0;border-bottom:1px solid var(--line)}
.dev-grid h3{margin-bottom:10px}.dev-grid p{color:var(--slate)}
@media (min-width:820px){.dev-grid{grid-template-columns:1fr 1fr;column-gap:var(--gutter)}}
@media (min-width:1100px){.dev-grid{margin-left:calc(25% + 8px)}}
.bounds{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.bounds li{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;background:var(--white);border:1px solid var(--line);line-height:1.45}
.bounds .icon{flex:none;width:20px;height:20px;color:var(--slate)}
@media (min-width:820px){.bounds{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.bounds{margin-left:calc(25% + 8px)}}

/* Research */
.rcat-list{border-top:1px solid var(--ink)}
.rcat-row{display:grid;gap:20px;padding:36px 0;border-bottom:1px solid var(--line)}
.rcat-meta .mono{color:var(--green)}
.rcat-meta h3{font-size:clamp(1.4rem,1.2rem + .8vw,1.9rem);margin:12px 0 12px;letter-spacing:-.02em}
.rcat-meta p{color:var(--slate);max-width:34em}
.empty{display:flex;align-items:center;color:var(--slate);padding:20px;border:1px dashed var(--line);background:var(--paper)}
@media (min-width:1100px){.rcat-row{grid-template-columns:5fr 7fr;gap:var(--gutter)}.rcat-meta{padding-left:calc(25% + 8px)}.rcat-meta{display:contents}}
@media (min-width:1100px){.rcat-row{grid-template-columns:3fr 5fr 4fr}.rcat-meta>.mono{padding-top:10px}.rcat-meta>h3{margin:0}.rcat-meta>p{grid-column:2}.rcat-meta>h3{grid-column:2;grid-row:1}.rcat-meta>p{grid-row:2}.rcat-pubs{grid-column:3;grid-row:1/3}}
.pubs{list-style:none;margin:0;padding:0}.pubs a{display:grid;gap:4px;padding:14px 0;border-top:1px solid var(--line);text-decoration:none;color:var(--ink)}.pub-t{font-weight:600}.pub-s{color:var(--slate);font-size:.94rem}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:0;counter-reset:s}
.steps li{padding:28px 0 28px;border-top:1px solid var(--ink);position:relative}
.steps .mono{color:var(--green);display:block;margin-bottom:18px}
.steps h3{margin-bottom:8px}.steps p{color:var(--slate);font-size:.96rem}
.sec-ink .steps li{border-color:var(--line-d)}
@media (min-width:560px){.steps{grid-template-columns:1fr 1fr;column-gap:var(--gutter)}}
@media (min-width:1100px){.steps{grid-template-columns:repeat(4,1fr)}.steps li{padding-right:24px}}
.note{display:flex;gap:14px;margin-top:48px;padding:20px;border-left:3px solid var(--green);background:var(--white);color:var(--slate);font-size:.94rem}
.note .icon{flex:none;width:20px;height:20px;color:var(--green)}
.article-body{padding-top:64px;padding-bottom:96px}

/* Governance */
.flow{display:grid;gap:0;border-left:1px solid var(--ink);margin-left:12px}
.flow-step{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:0 0 28px 0;position:relative}
.flow-step>.mono{display:grid;place-items:center;width:26px;height:26px;background:var(--ink);color:var(--mint);margin-left:-13px;font-size:.7rem}
.flow-step h3{font-size:1.05rem;margin-bottom:4px}.flow-step p{color:var(--slate);font-size:.95rem}
.risk-matrix{border-top:1px solid var(--ink)}
.risk-matrix>div{display:grid;gap:6px;padding:18px 0;border-bottom:1px solid var(--line)}
.risk-matrix .rm-head{display:none}
.risk-matrix [role=cell]:last-child{color:var(--slate)}
@media (min-width:820px){.risk-matrix>div{grid-template-columns:260px 1fr;gap:var(--gutter)}.risk-matrix .rm-head{display:grid;color:var(--slate)}}
@media (min-width:1100px){.risk-matrix{margin-left:calc(25% + 8px)}}
.gblocks{display:grid;gap:1px;background:var(--line-d);border:1px solid var(--line-d)}
.gblock{background:var(--ink);padding:28px 24px}
.gblock header{display:flex;align-items:center;gap:14px;margin-bottom:20px;color:var(--mint)}
.gblock ul{list-style:none;margin:0;padding:0}
.gblock li{padding:12px 0;border-top:1px solid var(--line-d);color:#C9CDD0;font-size:.95rem;line-height:1.5}
@media (min-width:820px){.gblocks{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.gblocks{grid-template-columns:repeat(4,1fr)}}

/* Contact */
.contact-grid{display:grid;gap:48px}
@media (min-width:1100px){.contact-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:80px}}
.form fieldset{border:0;margin:0 0 40px;padding:0;min-width:0}
.form legend{font-size:1.2rem;font-weight:600;letter-spacing:-.01em;margin-bottom:20px;padding:0;display:flex;gap:12px;align-items:baseline}
.form legend .mono{color:var(--green)}
.form-intro{color:var(--slate);font-size:.92rem;margin-bottom:32px}
.cats{display:grid;gap:10px}
.cats legend{grid-column:1/-1}
@media (min-width:560px){.cats{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.cats{grid-template-columns:repeat(3,1fr)}}
.cat{position:relative;display:block;cursor:pointer}
.cat input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.cat-box{display:flex;flex-direction:column;gap:6px;height:100%;padding:18px 18px 20px;border:1px solid var(--line);background:var(--white);transition:border-color .2s,background .2s,box-shadow .2s}
.cat-t{font-weight:600;font-size:.98rem;line-height:1.3;padding-right:24px;position:relative}
.cat-t::after{content:"";position:absolute;right:0;top:2px;width:14px;height:14px;border:1px solid var(--slate)}
.cat-d{font-size:.85rem;color:var(--slate);line-height:1.45}
.cat:hover .cat-box{border-color:var(--ink)}
.cat input:checked+.cat-box{border-color:var(--green);background:#F3F8F6;box-shadow:inset 0 0 0 1px var(--green)}
.cat input:checked+.cat-box .cat-t::after{background:var(--green);border-color:var(--green);box-shadow:inset 0 0 0 3px #F3F8F6}
.cat input:focus-visible+.cat-box{outline:2px solid var(--field);outline-offset:2px}
.cat input[aria-invalid=true]+.cat-box{border-color:#B3261E}
.row2{display:grid;gap:0 20px}
@media (min-width:560px){.row2{grid-template-columns:1fr 1fr}}
.field{margin-bottom:20px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:8px}
.field input,.field textarea,.field select{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:var(--white);border:1px solid #9AA1A7;border-radius:0;padding:13px 14px;min-height:50px;transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:180px;line-height:1.55}
.field input:hover,.field textarea:hover{border-color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(7,90,66,.18)}
.field [aria-invalid=true]{border-color:#B3261E}
.hint{font-size:.82rem;color:var(--slate);margin-top:8px}
.err{color:#B3261E;font-size:.86rem;font-weight:500;margin-top:8px}
.cats .err{grid-column:1/-1;margin:4px 0 0}
.check{display:grid;grid-template-columns:22px 1fr;gap:14px;align-items:start;padding:20px;background:var(--paper)}
.check input{width:20px;height:20px;min-height:0;margin:2px 0 0;accent-color:var(--green)}
.check label{font-weight:400;font-size:.92rem;margin:0}
.check .err{grid-column:2}
.form-actions{margin-top:28px}
.form-status{margin-top:24px;outline:none}
.form-status:empty{display:none}
.form-status.is-ok,.form-status.is-err,.form-status.is-info{padding:18px 20px;border-left:3px solid;font-size:.95rem}
.is-ok{border-color:var(--green);background:#F3F8F6}.is-err{border-color:#B3261E;background:#FCF1F0}.is-info{border-color:var(--slate);background:var(--paper)}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.contact-aside{display:grid;gap:0;align-content:start;border-top:1px solid var(--ink)}
.ca-block{padding:24px 0;border-bottom:1px solid var(--line);font-size:.94rem}
.ca-block .label{display:flex;align-items:center;gap:10px;color:var(--green)}
.ca-block .icon{width:16px;height:16px}
.ca-block address{font-style:normal;line-height:1.7}
.ca-block p{color:var(--slate)}
.ca-warn{background:var(--ink);color:var(--paper);padding:24px;border:0}
.ca-warn .label{color:var(--mint)}.ca-warn p{color:#C9CDD0}
@media (min-width:1100px){.contact-aside{position:sticky;top:calc(var(--hdr) + 24px)}}

/* Legal */
.legal{display:grid;gap:40px;padding-top:56px;padding-bottom:96px}
.legal-toc ol{margin:0;padding-left:1.2em;font-size:.92rem;line-height:1.9}
.legal-toc a{color:var(--ink)}
.legal-body section{padding:28px 0;border-top:1px solid var(--line)}
.legal-body h2{font-size:1.35rem;margin:0 0 14px}
@media (min-width:1100px){.legal{grid-template-columns:3fr 9fr;gap:var(--gutter)}.legal-toc{position:sticky;top:calc(var(--hdr) + 32px);align-self:start}.legal-body{max-width:46em}}

/* 404 */
.nf{background:var(--ink);color:var(--paper);padding:clamp(80px,12vw,180px) 0}
.nf-in{display:grid;gap:32px;align-items:center}
.nf-code{font-size:clamp(5rem,18vw,13rem);line-height:.9;color:transparent;-webkit-text-stroke:1px var(--mint);letter-spacing:-.02em}
.nf .eyebrow{color:var(--mint);margin-bottom:18px}.nf h1{font-size:var(--fs-h1)}.nf .lede{color:#C9CDD0;margin-top:18px}
.nf .btn-line{border-color:var(--paper);color:var(--paper)}
@media (min-width:1100px){.nf-in{grid-template-columns:5fr 7fr;gap:80px}}

/* Footer */
.site-footer{background:var(--paper);padding:72px 0 40px;border-top:1px solid var(--line)}
.ft-grid{display:grid;gap:36px;padding-bottom:48px;border-bottom:1px solid var(--line)}
.ft-logo{height:44px;width:auto}
.ft-tag{margin-top:20px;color:var(--slate);font-size:.95rem;max-width:22em}
.ft-nav ul{list-style:none;margin:0;padding:0;line-height:2.1}
.ft-nav a,.ft-addr a{color:var(--ink);text-decoration:none}.ft-nav a:hover,.ft-addr a:hover{color:var(--green);text-decoration:underline}
.ft-addr{font-style:normal;line-height:1.8;font-size:.95rem}
@media (min-width:560px){.ft-grid{grid-template-columns:1fr 1fr}.ft-brand{grid-column:1/-1}}
@media (min-width:1100px){.ft-grid{grid-template-columns:5fr 2fr 2fr 3fr}.ft-brand{grid-column:auto}}
.disclaimer{font-size:.85rem;color:#2A3036;max-width:62em;margin:32px 0 16px;line-height:1.6}
.small{font-size:.78rem;color:var(--slate);line-height:1.6}

/* Brand page */
.logo-grid{display:grid;gap:12px;grid-template-columns:1fr}
@media (min-width:820px){.logo-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.logo-grid{grid-template-columns:repeat(4,1fr)}.logo-grid .lg:not(.lg-sm){grid-column:span 2}}
.lg{margin:0;padding:40px 32px 20px;display:flex;flex-direction:column;justify-content:space-between;gap:28px;min-height:220px;border:1px solid var(--line)}
.lg img{max-height:72px;width:auto;margin:auto 0}
.lg-sm img{max-height:64px}
.lg figcaption{font-size:.62rem;text-transform:none;letter-spacing:.02em}
.lg-white{background:var(--white)}.lg-paper{background:var(--paper)}.lg-ink{background:var(--ink);color:var(--mist)}.lg-green{background:var(--green);color:#E3F1EB}
.lg-white figcaption,.lg-paper figcaption{color:var(--slate)}
.treat{display:grid;gap:var(--gutter);margin-top:48px}
@media (min-width:820px){.treat{grid-template-columns:3fr 2fr}}
.treat h3{margin-bottom:8px}.treat p{color:var(--slate);font-size:.95rem}
.treat-demo{margin-top:20px;background:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;color:var(--paper)}
.treat-demo img{height:32px;width:auto}.treat-demo .mono{font-size:.6rem;color:var(--mist)}
.swatches{list-style:none;margin:0 0 48px;padding:0;display:grid;gap:12px;grid-template-columns:1fr 1fr}
@media (min-width:820px){.swatches{grid-template-columns:repeat(5,1fr)}}
.sw{background:var(--white);border:1px solid var(--line);padding:0 0 16px;display:flex;flex-direction:column;gap:4px;font-size:.88rem}
.sw-chip{height:96px;margin-bottom:12px;border-bottom:1px solid var(--line)}
.sw>*:not(.sw-chip){padding:0 14px}
.sw-n{font-weight:600}.sw code{background:none;padding:0 14px;color:var(--ink)}.sw-d{color:var(--slate);font-size:.8rem;line-height:1.4}.sw-src{color:var(--green);font-size:.6rem;margin-top:6px}
.sw-ink{background:var(--ink)}.sw-green{background:var(--green)}.sw-slate{background:var(--slate)}.sw-mint{background:var(--mint)}.sw-field{background:var(--field)}.sw-paper{background:var(--paper)}.sw-mist{background:var(--mist)}.sw-white{background:var(--white)}.sw-ink2{background:var(--ink2)}.sw-line{background:var(--line)}
.ctable{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--white)}
.ctable caption{text-align:left;padding:0 0 12px;color:var(--slate)}
.ctable th,.ctable td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.ctable th{font-weight:600;background:var(--paper)}
.type-spec>div{padding:24px 0;border-top:1px solid var(--line);display:grid;gap:10px}
.type-spec .mono{color:var(--green);font-size:.64rem;text-transform:none;letter-spacing:.03em}
.ts-d{font-size:var(--fs-d);font-weight:560;letter-spacing:-.035em;line-height:1.02}
.ts-h2{font-size:var(--fs-h2);font-weight:560;letter-spacing:-.025em;line-height:1.1}
.ts-h3{font-size:1.25rem;font-weight:600}
.eyebrow-demo{color:var(--green)!important;font-size:.75rem!important}
.space-demo{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;margin-bottom:40px}
.space-demo>div{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.sp{display:block;background:var(--green);height:16px}
.sp-4{width:4px}.sp-8{width:8px}.sp-12{width:12px}.sp-16{width:16px}.sp-24{width:24px}.sp-32{width:32px}.sp-48{width:48px}.sp-64{width:64px}.sp-96{width:96px}.sp-128{width:128px}
.grid-demo{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter)}
.grid-demo span{background:rgba(7,90,66,.12);border:1px solid rgba(7,90,66,.3);height:72px;font:500 .7rem var(--mono);color:var(--green);padding:8px}
.grid-demo span:nth-child(n+5){display:none}
@media (min-width:820px){.grid-demo{grid-template-columns:repeat(8,1fr)}.grid-demo span:nth-child(n+5){display:block}.grid-demo span:nth-child(n+9){display:none}}
@media (min-width:1100px){.grid-demo{grid-template-columns:repeat(12,1fr)}.grid-demo span:nth-child(n+9){display:block}}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:48px;align-items:center}
.btn-dark-wrap{display:inline-flex;flex-wrap:wrap;gap:12px;background:var(--ink);padding:16px}
.icon-grid{list-style:none;margin:0 0 48px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media (min-width:820px){.icon-grid{grid-template-columns:repeat(6,1fr)}}
.icon-grid li{background:var(--white);display:flex;flex-direction:column;align-items:center;gap:14px;padding:24px 8px;color:var(--green)}
.icon-grid .mono{color:var(--slate);font-size:.6rem}
h3.label{font-size:.75rem;margin:0 0 16px}
@media print{.site-header,.mnav,.hero-canvas,.cta{display:none}body{color:#000}}
.form-done{padding:32px 28px;border-left:3px solid currentColor;outline:none;align-self:start}.form-done[hidden]{display:none}.form-done h2{margin:8px 0 12px}.form-done-note{margin-top:16px;font-size:.92rem;opacity:.85}
/* Founding letter */
.letter{margin:0 auto;font-size:1.125rem}.letter p{margin:0 0 1.2em}
.letter-sign{margin-top:2.4em!important;padding-top:1.2em;border-top:1px solid #D9D6CD}
.letter-sec{padding-top:clamp(48px,8vw,112px)}
.letter{max-width:38rem;margin:0 auto;font-size:clamp(1.0625rem,1vw + .8rem,1.25rem);line-height:1.8;color:#2A3036}
.letter>p{margin:0 0 1.4em}
.letter-salute{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--green);margin-bottom:2.2em!important}
.letter-first::first-letter{float:left;font-size:4.2em;line-height:.85;font-weight:600;color:var(--green);margin:.06em .1em 0 0}
.pullquote{margin:2.6em 0;padding:1.6em 0;border-top:1px solid var(--green);border-bottom:1px solid #D9D6CD}
.pullquote blockquote{margin:0}.pullquote p{font-size:clamp(1.5rem,2.2vw + .9rem,2.25rem);line-height:1.25;font-weight:500;letter-spacing:-.015em;color:var(--ink);margin:0}
.pullquote figcaption{margin-top:1em;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.pq-wide{max-width:46rem;margin:clamp(48px,6vw,96px) 0 0}
.letter-sign{display:flex;gap:16px;align-items:center;margin-top:3em;padding-top:1.6em;border-top:1px solid #D9D6CD}
.letter-sign p{margin:0;line-height:1.5}.letter-mark{width:44px;height:44px}
.letter-note{margin-top:2em}.letter-next{margin-top:2.4em}
.sec-ink .prose a{color:var(--mint)}
.belief-grid{list-style:none;padding:0;margin:0;display:grid;gap:1px;background:#D9D6CD;border:1px solid #D9D6CD;grid-template-columns:1fr}
.belief-grid li{background:#fff;padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;gap:16px}
.belief-grid li>.mono{color:var(--green);font-size:.75rem;letter-spacing:.08em}
.belief-grid h3{margin:0 0 .5em}.belief-grid p{margin:0;color:#2A3036}
@media (min-width:820px){.belief-grid{grid-template-columns:repeat(2,1fr)}.belief-grid li:first-child{grid-column:1/-1}}
@media (min-width:1100px){.belief-grid{grid-template-columns:repeat(6,1fr)}.belief-grid li{grid-column:span 2}.belief-grid li:nth-child(-n+2){grid-column:span 3}}
@media (prefers-reduced-motion:no-preference){
  .letter>*,.belief-grid li,.pullquote{animation:sdif-rise .7s cubic-bezier(.2,.7,.2,1) both}
  .letter>*:nth-child(2){animation-delay:.06s}.letter>*:nth-child(3){animation-delay:.12s}.letter>*:nth-child(n+4){animation-delay:.18s}
  .belief-grid li:nth-child(2){animation-delay:.06s}.belief-grid li:nth-child(3){animation-delay:.12s}.belief-grid li:nth-child(n+4){animation-delay:.18s}
  @keyframes sdif-rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
}