/* =====================================================================
   CAW shared shell: tokens, nav, footer, buttons, type, map cells.
   Single source of truth for inner pages (About, Research, …).
   Extracted verbatim from CAW Homepage.html so pages can't drift.
   ===================================================================== */

:root{
  --bg:#F3F4F6;
  --surface:#FFFFFF;
  --ink:#14171C;
  --ink-soft:#4A515C;
  --muted:#5E6571;
  --hair:#E3E6EB;
  --hair-2:#D2D7DF;
  --danger:#A8431F;       /* Q3: amber/rust */
  --danger-bg:#F7E9E0;
  --target:#136E52;       /* Q4: deep teal-green */
  --target-bg:#E1EFE9;
  --inert:#5E6571;        /* Q1/Q2: greyed */
  --maxw:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Archivo",system-ui,sans-serif;font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.mono{font-family:"IBM Plex Mono",monospace;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 44px;}
a{color:inherit;}
h1,h2,h3{margin:0;font-weight:700;line-height:1.06;letter-spacing:-0.025em;}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;font-weight:500;
  letter-spacing:0.16em;text-transform:uppercase;color:var(--muted);}

/* nav */
header.nav{position:sticky;top:0;z-index:30;background:rgba(243,244,246,0.85);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--hair);}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.mark{display:grid;grid-template-columns:repeat(2,8px);grid-template-rows:repeat(2,8px);gap:2.5px;}
.mark i{background:var(--hair-2);border-radius:1px;}
.mark i.on{background:var(--target);}
.brand b{font-weight:700;font-size:15.5px;letter-spacing:-0.02em;white-space:nowrap;}
nav.links{display:flex;align-items:center;gap:16px;}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:#fff;padding:10px 18px;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:0.05em;text-decoration:none;}
.skip-link:focus{left:0;}
nav.links a{font-size:14px;text-decoration:none;color:var(--ink-soft);font-weight:500;white-space:nowrap;}
nav.links a:hover{color:var(--ink);}
nav.links a.here{color:var(--ink);font-weight:600;}
.btn{display:inline-flex;align-items:center;gap:7px;font-family:"IBM Plex Mono",monospace;
  font-size:12.5px;font-weight:500;letter-spacing:0.02em;text-decoration:none;cursor:pointer;
  padding:10px 16px;border-radius:6px;transition:all .16s;white-space:nowrap;}
.btn.solid{background:var(--ink);color:#fff;border:1px solid var(--ink);}
.btn.solid:hover{background:var(--target);border-color:var(--target);}
.btn.target{background:var(--target);color:#fff;border:1px solid var(--target);}
.btn.target:hover{filter:brightness(1.08);}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--hair-2);}
.btn.ghost:hover{border-color:var(--ink);}

/* bands + section heads */
.band{padding:84px 0;border-top:1px solid var(--hair);}
.band.surface{background:var(--surface);}
.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:36px;}
.sec-head .num{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--target);}
.sec-head h2{font-size:clamp(26px,3vw,38px);font-weight:700;}

/* learn link */
.learn{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--target);text-decoration:none;font-weight:500;}
.learn:hover{text-decoration:underline;}

/* page hero (inner pages) */
.page-hero{padding:64px 0 8px;}
.page-hero .eyebrow{color:var(--target);}
.page-hero h1{font-size:clamp(38px,4.6vw,58px);letter-spacing:-0.03em;font-weight:800;max-width:18ch;margin-top:16px;}
.page-hero .stand{font-size:20px;line-height:1.58;color:var(--ink-soft);max-width:60ch;margin:24px 0 0;}
.page-hero .stand strong{color:var(--ink);font-weight:600;}

/* prose */
.prose p{font-size:17px;color:var(--ink-soft);line-height:1.62;max-width:68ch;}
.prose p strong{color:var(--ink);font-weight:600;}
.prose em{font-style:italic;color:var(--ink);}

/* intelligence map: logo-style 2×2 (synced to homepage hero). Hedge lives in prose. */
.matrix-card{background:var(--surface);border:1px solid var(--hair);border-radius:18px;
  padding:24px 24px 20px;box-shadow:0 12px 30px -26px rgba(20,23,28,0.32);}
.matrix-top{display:flex;flex-direction:column;align-items:center;gap:5px;margin-bottom:22px;}
.m-title{font-family:"IBM Plex Mono",monospace;font-size:22px;letter-spacing:0.05em;
  text-transform:uppercase;color:var(--ink);font-weight:600;text-align:center;}
.m-sub{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:0.1em;
  text-transform:uppercase;color:var(--ink-soft);font-weight:500;text-align:center;}
.grid-shell{position:relative;padding:24px 0 0 24px;}
.ylab{position:absolute;left:-4px;top:24px;bottom:0;width:20px;display:grid;grid-template-rows:1fr 1fr;gap:21px;}
.ylab span{writing-mode:vertical-rl;transform:rotate(180deg);font-family:"IBM Plex Mono",monospace;
  font-size:16.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink-soft);font-weight:600;
  align-self:center;justify-self:center;}
.xlab{position:absolute;left:24px;right:0;top:0;height:20px;display:grid;grid-template-columns:1fr 1fr;gap:21px;}
.xlab span{font-family:"IBM Plex Mono",monospace;font-size:16.5px;letter-spacing:0.1em;
  text-transform:uppercase;color:var(--ink-soft);font-weight:600;text-align:center;}
.quad{display:grid;grid-template-columns:1fr 1fr;gap:21px;}
.q-cell{aspect-ratio:1/1;border-radius:8px;padding:18px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;gap:7px;background:#E4E7EC;transition:transform .16s;}
.q-cell .qname{font-size:20px;line-height:1.08;font-weight:700;letter-spacing:-0.01em;color:var(--ink);}
.q-cell .qsub{font-size:13px;line-height:1.25;font-weight:500;color:var(--ink-soft);max-width:16ch;}
.q-cell.gray{background:#E4E7EC;}
.q-cell.green{background:var(--target);}
.q-cell.green .qname{color:#fff;}
.q-cell.green .qsub{color:rgba(255,255,255,0.95);}
.q-cell.green:hover{transform:translateY(-2px);}
.arrow-note{display:flex;align-items:center;gap:10px;margin-top:20px;font-family:"IBM Plex Mono",monospace;
  font-size:12px;color:var(--muted);}
.arrow-note .from{color:var(--ink-soft);font-weight:600;}
.arrow-note .to{color:var(--target);font-weight:600;}
.arrow-note .track{position:relative;flex:1;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--hair-2),var(--target));}
.arrow-note .track .head{position:absolute;right:-1px;top:50%;transform:translateY(-50%);
  width:0;height:0;border-left:8px solid var(--target);
  border-top:5px solid transparent;border-bottom:5px solid transparent;}

/* post card */
.post{background:var(--surface);border:1px solid var(--hair-2);border-radius:12px;padding:22px;text-decoration:none;display:block;transition:transform .16s,box-shadow .16s;}
.post:hover{transform:translateY(-3px);box-shadow:0 14px 26px -16px rgba(20,23,28,0.3);}
.post .eyebrow{color:var(--target);}
.post h3{font-size:18px;font-weight:700;margin:12px 0 8px;line-height:1.22;}
.post .meta{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--muted);}

/* support-menu chips */
.support-menu{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;align-items:center;}
.support-menu .chip{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:0.06em;
  text-transform:uppercase;padding:6px 11px;border:1px solid var(--hair-2);border-radius:20px;color:var(--ink-soft);}

/* caw flag */
.caw{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--danger);border:1px dashed var(--danger);padding:4px 8px;border-radius:20px;display:inline-block;}

/* footer */
footer{background:var(--surface);border-top:1px solid var(--hair);padding:56px 0 40px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.foot-brand b{font-weight:700;font-size:16px;}
.foot-brand p{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--muted);margin-top:10px;}
.foot-col h4,.foot-col .foot-h{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:0.14em;text-transform:uppercase;
  color:var(--muted);margin:0 0 14px;font-weight:500;}
.foot-col a{display:block;text-decoration:none;color:var(--ink-soft);font-size:15px;margin-bottom:9px;font-weight:500;}
.foot-col a:hover{color:var(--target);}
.foot-bottom{display:flex;justify-content:space-between;margin-top:44px;padding-top:22px;border-top:1px solid var(--hair);
  font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--muted);}

@media(max-width:920px){
  .wrap{padding:0 24px;}
  .band{padding:60px 0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-in{flex-wrap:wrap;height:auto;padding:12px 24px 0;}
  nav.links{order:3;width:100%;display:flex;gap:0 18px;flex-wrap:wrap;align-items:center;
    justify-content:flex-start;padding:6px 0 8px;}
  nav.links a{font-size:14px;padding:10px 0;}
  nav.links a.btn{margin-left:auto;padding:10px 16px;}
}
@media(max-width:560px){
  .foot-grid{grid-template-columns:1fr;gap:24px;}
  .page-hero{padding:48px 0 4px;}
}

/* ===== mobile layout safety (post-handoff fix: horizontal overflow + oversize) ===== */
img,svg,video{max-width:100%;height:auto;}
@media(max-width:920px){
  /* let grid/flex items shrink so wide cards/graphics can't blow past the viewport */
  .contact-grid>*,.ask-card>*,.research-row>*,.program-row>*,.map-stage>*,.founder>*,
  .def-split>*,.dereif>*,.focus>*,.gov>*,.null-row>*,.deeper>*,.defs>*,.props>*,
  .facts>*,.essays>*,.do-row>*,.team>*,.related>*,.distinct-row>*,.priority-row>*,
  .phases>*,.collab-card>*,.cta-card>*,.two>*,.foot-grid>*,.quad>*,.hero-grid>*,
  .logic-row>*,.arrow-row>*{min-width:0;}
}
@media(max-width:560px){
  .page-hero h1{font-size:clamp(29px,7.5vw,40px);}
  .page-hero .stand{font-size:18px;}
  .sec-head h2{font-size:clamp(23px,6vw,30px);}
  .m-title{font-size:17px;}
  .m-sub{font-size:11px;letter-spacing:0.08em;}
  .xlab span,.ylab span{font-size:12.5px;}
  .q-cell .qname{font-size:16px;}
  .q-cell .qsub{font-size:12px;}
}