/* Atlas & Arbor shared styles for sub-pages. Mirrors the design tokens and components in index.html. */
:root{
  color-scheme: dark;
  --ground:#0F1714;
  --ground-2:#15201B;
  --ground-3:#1C2A24;
  --line:#2A3A33;
  --bone:#ECE7DC;
  --muted:#98A39C;
  --flag:#E6A33A;      /* survey flagging-tape amber */
  --moss:#7D9A6A;
  --display:"Archivo", "Arial Narrow", Arial, sans-serif;
  --body:"Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --gutter:clamp(16px, 4vw, 56px);
  --max:1320px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--bone);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
::selection{background:var(--flag);color:var(--ground)}
:focus-visible{outline:2px solid var(--flag);outline-offset:3px}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
h1,h2,h3{font-family:var(--display);font-stretch:125%;text-wrap:balance;margin:0;line-height:.95;letter-spacing:-.01em}

/* ---------- nav ---------- */
.nav{position:fixed;left:0;right:0;top:0;z-index:50;padding-top:env(safe-area-inset-top,0px);transition:background .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.solid{background:color-mix(in srgb,var(--ground) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1}
.brand b{font-family:var(--display);font-stretch:125%;font-weight:800;font-size:18px;letter-spacing:.04em}
.brand span{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:5px}
.links{display:flex;gap:26px;align-items:center}
.links a{text-decoration:none;font-size:14px;color:var(--muted);transition:color .2s}
.links a:hover{color:var(--bone)}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--flag);color:var(--ground)!important;font-weight:600;font-size:14px;padding:12px 20px;border-radius:999px;text-decoration:none;border:0;cursor:pointer;font-family:var(--body);transition:transform .25s,background .25s}
.btn:hover{transform:translateY(-2px);background:#F0B456}
.btn svg{width:14px;height:14px}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--bone);border-radius:999px;padding:9px 16px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer}
.drawer{display:none}
@media (max-width:1180px){
  .links{display:none}
  .menu-btn{display:block}
  .drawer{position:fixed;inset:0;z-index:49;background:var(--ground);padding:120px var(--gutter) 40px;display:flex;flex-direction:column;gap:8px;transform:translateY(-100%);transition:transform .6s cubic-bezier(.77,0,.18,1)}
  .drawer.open{transform:none}
  .drawer a{font-family:var(--display);font-stretch:125%;font-weight:800;font-size:40px;text-decoration:none;padding-block:6px;border-bottom:1px solid var(--line)}
}

/* ---------- sections ---------- */
section{position:relative}
.sec{padding-block:clamp(88px,12vw,168px)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:32px;align-items:end;margin-bottom:clamp(48px,6vw,88px)}
.sec-head h2{font-weight:800;font-size:clamp(38px,6vw,84px);text-transform:uppercase}
@media (max-width:800px){.sec-head{grid-template-columns:1fr}}

.commit{display:flex;flex-direction:column}
.commit>div{display:grid;grid-template-columns:28px minmax(0,1fr);gap:16px;padding-block:22px;border-bottom:1px solid var(--line)}
.commit>div:first-child{border-top:1px solid var(--line)}
.commit svg{width:20px;height:20px;color:var(--flag);margin-top:4px}
.commit b{display:block;font-family:var(--display);font-stretch:112%;font-weight:700;font-size:19px;margin-bottom:4px}
.commit p{margin:0;color:var(--muted);font-size:15px}
/* sectors */
.sectors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.sector{background:var(--ground);padding:36px 32px 40px;display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden;min-height:320px;transition:background .4s}
.sector:hover{background:var(--ground-3)}
.sector h3{font-size:28px;font-weight:800;text-transform:uppercase;position:relative}
.sector p{margin:0;color:var(--muted);position:relative;max-width:36ch}
@media (max-width:900px){.sectors{grid-template-columns:1fr}.sector{min-height:0}}

/* contact */
.contact{background:var(--flag);color:var(--ground)}
.contact .mono{color:#5A3E10}
.contact h2{font-weight:850;font-size:clamp(46px,9vw,140px);text-transform:uppercase;max-width:12ch}
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);margin-top:clamp(48px,6vw,80px)}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.contact dl{margin:0;display:grid;gap:22px}
.contact dt{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#5A3E10;margin-bottom:4px}
.contact dd{margin:0;font-size:20px;font-weight:500}
.contact dd a{text-decoration:none;border-bottom:1px solid rgba(15,23,20,.35)}
.contact dd a:hover{border-color:var(--ground)}
form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form .full{grid-column:1/-1}
@media (max-width:560px){form{grid-template-columns:1fr}}
label{display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#5A3E10}
input,select,textarea{font:inherit;font-family:var(--body);font-size:16px;letter-spacing:0;text-transform:none;color:var(--ground);background:rgba(15,23,20,.06);border:1px solid rgba(15,23,20,.28);border-radius:4px;padding:12px 14px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--ground);outline-offset:0;border-color:var(--ground)}
textarea{min-height:120px;resize:vertical}
.submit{background:var(--ground);color:var(--bone)!important;justify-self:start}
.submit:hover{background:#243129}
.form-note{font-size:14px;margin:0;min-height:1.4em}

footer{padding-block:40px;border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}

/* reveal: visible at rest, gentle lift when JS is running */
.js .rv{transform:translateY(24px);opacity:.001;transition:transform 1s cubic-bezier(.2,.8,.2,1),opacity 1s}
.js .rv.in{transform:none;opacity:1}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .rv{transform:none;opacity:1}
  .loader{display:none}
  html{scroll-behavior:auto}
}

/* ---------- sub-page components ---------- */
.links a[aria-current="page"]{color:var(--bone)}
.page-hero{padding-top:148px;padding-bottom:clamp(56px,7vw,104px);border-bottom:1px solid var(--line)}
.crumbs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--bone)}
.page-hero h1{font-weight:850;font-size:clamp(38px,6.2vw,96px);text-transform:uppercase;max-width:20ch}
.page-hero h1 em{font-style:normal;color:var(--flag)}
.page-hero .lead{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(24px,5vw,80px);align-items:end;margin-top:clamp(28px,4vw,56px)}
.page-hero .lead p{margin:0;color:var(--muted);font-size:19px;max-width:58ch}
.page-hero .ctas{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.ghost{color:var(--bone);text-decoration:none;font-size:14px;border-bottom:1px solid var(--line);padding-bottom:3px}
.ghost:hover{border-color:var(--flag)}
@media (max-width:860px){.page-hero .lead{grid-template-columns:1fr}}

.sec.tight{padding-block:clamp(64px,8vw,112px)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:clamp(32px,6vw,96px);align-items:start}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.split h2{font-weight:800;font-size:clamp(34px,4.6vw,64px);text-transform:uppercase}
.split .mono{margin-bottom:20px;display:block}
.prose p{margin:0 0 18px;color:var(--muted);max-width:60ch}
.prose p:last-child{margin-bottom:0}
.prose p strong{color:var(--bone);font-weight:600}
.sectors.tight .sector{min-height:260px}
.sector .mono{position:relative}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}
.chips li{border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--bone)}
.note-small{margin:22px 0 0;color:var(--muted);font-size:15px;max-width:60ch}

.doclist{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.doclist>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 24px;align-items:start;padding-block:22px;border-bottom:1px solid var(--line)}
.doclist b{display:block;font-family:var(--display);font-stretch:112%;font-weight:700;font-size:19px;margin-bottom:4px}
.doclist p{margin:0;color:var(--muted);font-size:15px;max-width:56ch}
.doclist .tag{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--flag);border:1px solid var(--flag);border-radius:999px;padding:5px 12px;white-space:nowrap}
@media (max-width:560px){.doclist>div{grid-template-columns:1fr}.doclist .tag{justify-self:start}}

.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding-block:6px}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:18px;font-family:var(--display);font-stretch:112%;font-weight:700;font-size:clamp(18px,2.1vw,24px);line-height:1.2}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:0 0 auto;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-weight:400;font-size:18px;color:var(--bone);transition:transform .3s,background .3s,color .3s,border-color .3s}
.faq details[open] summary::after{transform:rotate(45deg);background:var(--flag);border-color:var(--flag);color:var(--ground)}
.faq summary:focus-visible{outline:2px solid var(--flag);outline-offset:4px}
.faq details p{margin:0 0 20px;color:var(--muted);max-width:68ch}

.check{flex-direction:row;align-items:center;gap:10px;font-size:12px;cursor:pointer}
.check input{width:auto;accent-color:var(--ground);margin:0}
.checks{display:grid;gap:10px;border:0;padding:0;margin:0}
.checks legend{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#5A3E10;margin-bottom:10px;padding:0}