/* Layout idea: arc.ceo-style dark site. Every page shares one header and footer; inner pages open with a breadcrumb and a large title, then ruled sections. */
:root{
  --bg:#0A0A0C;
  --panel:#121216;
  --line:rgba(255,255,255,.11);
  --text:#F4F2EC;
  --muted:#A3A19B;
  --faint:#66655F;
  --display:'Alegreya',Georgia,'Times New Roman',serif;
  --body:'Alegreya Sans','Gill Sans','Trebuchet MS',sans-serif;
  --gutter:clamp(20px,5vw,72px);
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-padding-top:90px;scrollbar-color:#2c2c33 var(--bg)}
body{background:var(--bg);color:var(--text);font:400 19px/1.6 var(--body);-webkit-font-smoothing:antialiased}
::selection{background:var(--text);color:var(--bg)}
a{color:inherit;text-decoration:none}
:focus-visible{outline:1px solid var(--text);outline-offset:5px;border-radius:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
h1,h2,h3{font-family:var(--display);font-weight:400;text-wrap:balance;line-height:1.06}
h1:focus{outline:none}
em{font-style:italic}
.label{font-size:13px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}

/* nav */
header{position:fixed;inset:0 0 auto 0;z-index:30;background:rgba(10,10,12,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:500;font-size:15px;letter-spacing:.22em;text-transform:uppercase}
.brand svg{width:28px;height:28px}
.links{display:flex;gap:38px;font-size:17px;color:var(--muted)}
.links a:hover,.links a[aria-current="page"]{color:var(--text)}
.open,.close{display:none;background:none;border:0;color:var(--text);font:400 17px var(--body);cursor:pointer;padding:10px 0}

main{padding-top:72px;min-height:80vh}
section{border-top:1px solid var(--line)}
.sec{padding:clamp(72px,10vw,130px) 0}

/* hero */
.hero{padding:clamp(90px,14vh,160px) 0 clamp(80px,12vh,130px)}
.hero h1{font-size:clamp(40px,9vw,128px);letter-spacing:-.012em;margin:26px 0 30px}
.hero h1 span{display:block}
.hero h1 span + span{color:var(--muted)}
.hero p{max-width:58ch;color:var(--muted);font-size:clamp(19px,1.7vw,22px)}
.cta{display:inline-flex;gap:12px;margin-top:40px;font-size:18px;font-weight:500;padding-bottom:6px;border-bottom:1px solid var(--faint);transition:border-color .25s,gap .25s}
.cta:hover{border-color:var(--text);gap:20px}
.ctas{display:flex;flex-wrap:wrap;gap:8px 40px}

/* vision */
.vision{text-align:center}
blockquote{font-family:var(--display);font-size:clamp(30px,4.4vw,56px);line-height:1.2;margin:30px auto 54px;max-width:22ch}
blockquote span{display:block}
.vision .body{max-width:62ch;margin:0 auto;text-align:left;display:grid;gap:20px;color:var(--muted)}
.vision strong,.prose strong{color:var(--text);font-weight:500}

/* heads */
.head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:18px 60px;margin-bottom:56px}
.head h2{font-size:clamp(38px,5.2vw,68px)}
.head p{max-width:44ch;color:var(--muted)}

/* department grid */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.item{background:var(--bg);padding:34px 30px 36px;display:flex;flex-direction:column;gap:10px;min-height:250px;transition:background .3s}
.item:hover{background:var(--panel)}
.item .num{font-family:var(--display);font-size:21px;color:var(--faint)}
.item h3{font-size:34px;margin-top:auto}
.item p{color:var(--muted);font-size:17px;line-height:1.45;min-height:5.9em}
.item .count{font-size:15px;color:var(--faint)}
.item.all{justify-content:center;align-items:flex-start}
.item.all h3{margin-top:0}

/* project rows */
.rows{border-top:1px solid var(--line)}
.rowlink{display:grid;grid-template-columns:1.1fr 2fr auto;gap:10px 40px;align-items:baseline;padding:28px 0;border-bottom:1px solid var(--line);transition:padding .3s,background .3s}
.rowlink:hover{background:var(--panel);padding-left:18px;padding-right:18px}
.rowlink h3{font-size:clamp(26px,2.8vw,36px)}
.rowlink p{color:var(--muted);max-width:56ch}
.tag{font-size:14px;letter-spacing:.06em;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 13px;white-space:nowrap;align-self:center}
.rowmeta{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.empty{padding:34px 0;color:var(--muted);border-bottom:1px solid var(--line);max-width:none}

/* inner pages */
.crumbs{font-size:16px;color:var(--faint);display:flex;flex-wrap:wrap;gap:8px}
.crumbs a:hover{color:var(--text)}
.page-hero{padding:clamp(56px,8vw,96px) 0 clamp(56px,8vw,90px)}
.page-hero h1{font-size:clamp(46px,7.4vw,104px);margin:22px 0 22px;letter-spacing:-.01em}
.page-hero .lede{max-width:60ch;font-size:clamp(20px,1.8vw,24px);color:var(--muted)}
.page-hero .meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.two{display:grid;grid-template-columns:1fr 1.6fr;gap:30px clamp(40px,7vw,110px)}
.two h2{font-size:clamp(30px,3.4vw,44px)}
.facts{list-style:none;border-top:1px solid var(--line)}
.facts li{padding:17px 0;border-bottom:1px solid var(--line)}
.figs{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.fig{background:var(--bg);padding:26px 24px}
.fig b{display:block;font:400 clamp(34px,4vw,50px)/1.05 var(--display);font-variant-numeric:lining-nums}
.fig span{color:var(--muted);font-size:16px;line-height:1.35;display:block;margin-top:8px}
.steps{list-style:none;counter-reset:s;border-top:1px solid var(--line)}
.steps li{counter-increment:s;display:grid;grid-template-columns:54px 1fr;padding:17px 0;border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--display);color:var(--faint)}
.prose{display:grid;gap:18px;max-width:64ch}
.prose p{color:var(--muted)}
.notice{border:1px solid var(--line);border-radius:10px;padding:20px 22px;color:var(--muted);font-size:17px}
.notice strong{color:var(--text);font-weight:500}

/* statement / contact */
.statement{text-align:center}
.statement h2{font-size:clamp(40px,7vw,100px);max-width:14ch;margin:0 auto 30px}
.contact-cta{text-align:center}
.contact-cta h2{font-size:clamp(38px,5.6vw,78px)}
.contact-cta p{max-width:48ch;margin:20px auto 34px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;background:none;border:1px solid var(--faint);color:var(--text);font:500 18px var(--body);padding:14px 30px;border-radius:999px;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.btn:hover,.btn.solid{background:var(--text);color:var(--bg);border-color:var(--text)}
.btn.solid:hover{background:#fff}
form{display:grid;gap:18px;max-width:640px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:block;font-size:16px;color:var(--muted);margin-bottom:6px}
input,select,textarea{width:100%;font:400 19px var(--body);color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px 14px}
input:focus,select:focus,textarea:focus{outline:1px solid var(--text);border-color:var(--text)}
textarea{min-height:150px;resize:vertical}
.err{color:#E3A08F;font-size:16px;margin-top:6px}
.ready{border:1px solid var(--line);border-radius:10px;padding:24px;max-width:640px}
.ready pre{white-space:pre-wrap;font:400 18px/1.5 var(--body);margin:14px 0 20px;color:var(--text);max-height:240px;overflow:auto}
[hidden]{display:none!important}

footer{border-top:1px solid var(--line);padding:56px 0 44px;font-size:17px;color:var(--muted)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.fgrid h4{font:500 13px var(--body);letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
.fgrid ul{list-style:none;display:grid;gap:7px}
.fgrid a:hover{color:var(--text)}
.fine{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:15px;color:var(--faint)}

@media (max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:760px){
  .open{display:block}
  .links{position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;overflow:auto;background:var(--bg);flex-direction:column;justify-content:center;align-items:center;gap:30px;font:400 36px var(--display);color:var(--text);display:none}
  .links.on{display:flex}
  .links .close{display:block;position:absolute;top:20px;right:var(--gutter)}
  .rowlink{grid-template-columns:1fr}
  .rowmeta{justify-content:flex-start}
  .two{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
}
@media (max-width:520px){.grid{grid-template-columns:1fr}.item{min-height:200px}.item p{min-height:0}.fgrid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

html{scroll-behavior:smooth}
.grid{grid-template-columns:repeat(3,1fr)}
.chapter .top{display:grid;grid-template-columns:1fr 1.6fr;gap:24px clamp(40px,7vw,110px);align-items:end;margin-bottom:56px}
.chapter .top .num{font-family:var(--display);font-size:24px;color:var(--faint);display:block;margin-bottom:10px}
.chapter .top h2{font-size:clamp(48px,7.4vw,104px);letter-spacing:-.01em}
.chapter .top p{color:var(--muted);font-size:clamp(20px,1.8vw,23px);max-width:56ch}
.project{border:1px solid var(--line);border-radius:14px;padding:clamp(24px,4vw,52px);margin-top:28px;display:grid;gap:34px}
.project header{position:static;background:none;border:0;backdrop-filter:none;-webkit-backdrop-filter:none}
.project h3{font-size:clamp(34px,4.4vw,58px);margin:14px 0 14px}
.project .lede{color:var(--muted);max-width:62ch;font-size:clamp(19px,1.6vw,21px)}
.project .meta{display:flex;flex-wrap:wrap;gap:8px}
.project .cols{display:grid;grid-template-columns:1fr 1fr;gap:34px clamp(30px,5vw,70px)}
.project h4{font:500 13px var(--body);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.project .cta{margin-top:0}
.project>*,.project .cols>*,.two>*,.chapter .top>*{min-width:0}
.figs{grid-template-columns:repeat(auto-fit,minmax(min(170px,100%),1fr))}
.cycle{display:flex;flex-wrap:wrap;gap:8px;list-style:none;counter-reset:c}
.cycle li{counter-increment:c;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:17px}
.cycle li::before{content:counter(c,decimal-leading-zero);font-family:var(--display);color:var(--faint);margin-right:9px}
@media (max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.chapter .top,.project .cols{grid-template-columns:1fr}}
@media (max-width:520px){.grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media (min-width:1001px){.fgrid.f3{grid-template-columns:1.4fr 1fr 1fr}}
body.menu-open{overflow:hidden}
@media (max-width:380px){.brand{letter-spacing:.14em;font-size:14px}.project{padding:20px 16px}.item{padding:26px 22px}}
.links a[aria-current="page"]{color:var(--text)}
.legal{display:grid;gap:34px;max-width:70ch}
.legal h2{font-size:clamp(26px,2.6vw,34px);margin-bottom:10px}
.legal p,.legal li{color:var(--muted)}
.legal ul{padding-left:1.1em;display:grid;gap:6px}
.fine a:hover{color:var(--text)}
.fine .legal-links{display:flex;flex-wrap:wrap;gap:6px 22px}
.cards3{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cards3>div{background:var(--bg);padding:30px 28px}
.cards3 h3{font-size:30px;margin-bottom:8px}
.cards3 p{color:var(--muted);font-size:18px}
@media (max-width:760px){.cards3{grid-template-columns:1fr}}
.figs .fig:last-child{grid-column:auto / -1}