/* Layout concept: engineering drawing sheets in the ERGNA logo palette. Deep teal and soft gold, Work Sans throughout like the wordmark. */
:root{
  --paper:#F7F5F0;
  --sheet:#FFFFFF;
  --ink:#1B2D37;
  --ink-soft:#52646F;
  --steel:#29414D;
  --line:#D9D2C3;
  --signal:#946E1F;
  --gold:#C6A464;
  --sand:#D8C199;
  --on-steel:#FFFFFF;
  --font-display:"Work Sans","Helvetica Neue",Arial,sans-serif;
  --font-body:"Work Sans","Helvetica Neue",Arial,sans-serif;
  --font-mono:"Work Sans","Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#121F27;--sheet:#192B36;--ink:#EEE9DD;--ink-soft:#A9B7BF;--steel:#D4B573;--line:#2C4250;--signal:#D9B873;--gold:#D4B573;--sand:#223644;--on-steel:#121F27;color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#121F27;--sheet:#192B36;--ink:#EEE9DD;--ink-soft:#A9B7BF;--steel:#D4B573;--line:#2C4250;--signal:#D9B873;--gold:#D4B573;--sand:#223644;--on-steel:#121F27;color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;
  padding-left:max(16px,env(safe-area-inset-left,0px));
  padding-right:max(16px,env(safe-area-inset-right,0px));
}
a{color:inherit}
.wrap{max-width:1120px;margin-inline:auto}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.1;margin:0;text-wrap:balance;letter-spacing:.015em}
.label{font-family:var(--font-mono);font-size:11.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px}

/* drawing line classes */
svg .l{fill:none;stroke:var(--ink);stroke-width:1.4;stroke-linejoin:round;stroke-linecap:round}
svg .f{fill:var(--sheet);stroke:var(--ink);stroke-width:1.4;stroke-linejoin:round}
svg .s{fill:none;stroke:var(--steel);stroke-width:1.6;stroke-linecap:round}
svg .o{fill:none;stroke:var(--gold);stroke-width:2;stroke-linecap:round}
svg .of{fill:var(--gold);stroke:none}
svg .g{fill:none;stroke:var(--line);stroke-width:1}
svg text{font-family:var(--font-mono);font-size:8.5px;fill:var(--ink-soft);letter-spacing:.06em}

header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:16px;border-bottom:1px solid var(--steel);flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:16px;text-decoration:none}
.brand img{width:52px;height:52px;display:block}
.brand span{display:block;font-weight:700;font-size:20px;line-height:1.2;letter-spacing:.04em;text-transform:uppercase;color:var(--steel)}
nav{display:flex;gap:22px;flex-wrap:wrap;font-size:14px;align-items:center}
nav a{text-decoration:none;color:var(--ink-soft)}
nav a:hover{color:var(--ink)}
nav a.cta{color:var(--on-steel);background:var(--steel);padding:7px 16px;font-weight:600}
nav a.cta:hover{background:var(--ink);color:var(--paper)}

.hero{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;padding-block:56px 48px}
.hero h1{font-size:clamp(38px,5.6vw,68px);font-weight:700;line-height:1.04;text-transform:uppercase}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero p.lead{font-size:18px;max-width:46ch;color:var(--ink-soft);margin:22px 0 28px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 22px;font-weight:600;font-size:15px;text-decoration:none;border:1.5px solid var(--ink)}
.btn.primary{background:var(--steel);border-color:var(--steel);color:var(--on-steel)}
.btn.primary:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.plate{background:var(--sheet);border:1px solid var(--line);padding:12px;margin:0;min-width:0}
.plate svg{display:block;width:100%;height:auto;max-width:100%}
.plate figcaption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}

.scope{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);background:var(--sheet);margin-bottom:8px}
.scope div{flex:1 1 180px;padding:16px 20px;border-right:1px solid var(--line);min-width:0}
.scope div:last-child{border-right:0}
.scope b{display:block;font-family:var(--font-display);font-size:16px;line-height:1.3;text-transform:uppercase;font-weight:600;margin-top:2px}

section{padding-block:64px;border-top:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:200px 1fr;gap:32px;margin-bottom:36px}
.sec-head h2{font-size:clamp(28px,3.8vw,42px);text-transform:uppercase}
.sec-head p{margin:12px 0 0;color:var(--ink-soft);max-width:60ch}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--sheet);border:1px solid var(--line);display:flex;flex-direction:column;min-width:0}
.card .art{border-bottom:1px solid var(--line);background:var(--paper);padding:8px}
.card .art svg{display:block;width:100%;height:auto}
.card .body{padding:18px 20px 22px}
.card h3{font-size:21px;text-transform:uppercase;margin-bottom:8px}
.card p{margin:0 0 12px;color:var(--ink-soft);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.tags li{font-family:var(--font-mono);font-size:11px;border:1px solid var(--line);padding:2px 8px;color:var(--ink-soft)}

.pillars{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--sheet)}
.pillar{padding:24px 20px;border-right:1px solid var(--line);min-width:0}
.pillar:last-child{border-right:0}
.pillar .label{color:var(--signal)}
.pillar h3{font-size:19px;text-transform:uppercase;margin:10px 0 8px}
.pillar p{margin:0;font-size:14px;color:var(--ink-soft)}

.values{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.value{border-top:3px solid var(--steel);padding-top:14px;min-width:0}
.value h3{font-size:19px;text-transform:uppercase;margin-bottom:8px}
.value p{margin:0;color:var(--ink-soft);font-size:15px}

.reg-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--sheet)}
.register{width:100%;border-collapse:collapse;font-size:14px}
.register th,.register td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.register th{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);font-weight:500}
.register tr:last-child td{border-bottom:0}
.register td:first-child{font-family:var(--font-mono);font-weight:600;color:var(--steel);white-space:nowrap}
.register td.muted{color:var(--ink-soft)}
.clients{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:20px}
.clients div{border:1px dashed var(--line);padding:16px 8px;text-align:center;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.note{margin-top:14px;font-size:13px;color:var(--ink-soft)}

.tb{display:grid;grid-template-columns:1.3fr 1fr;border:2px solid var(--ink);background:var(--sheet)}
.tb > div{min-width:0}
.tb .main{padding:26px 28px;border-right:2px solid var(--ink)}
.tb h2{font-size:clamp(28px,4vw,44px);text-transform:uppercase;margin:8px 0 12px}
.tb p{margin:0;color:var(--ink-soft);max-width:44ch}
.cell{padding:16px 24px;border-bottom:1px solid var(--ink);min-width:0}
.cell:last-child{border-bottom:0}
.cell .label{display:block;margin-bottom:2px}
.cell span.v{font-size:15px;overflow-wrap:anywhere}
.cell span.v.todo{color:var(--signal)}

footer{margin-top:24px;font-size:13px;color:var(--ink-soft)}
footer .band{background:var(--sand);color:var(--ink);display:flex;flex-wrap:wrap;justify-content:center;gap:12px 36px;padding:18px 20px;font-weight:500}
footer .band span{display:inline-flex;align-items:center;gap:10px}
footer .copy{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:18px 36px}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-block:36px}
  .sec-head{grid-template-columns:1fr;gap:10px}
  .cards{grid-template-columns:1fr 1fr}
  .pillars{grid-template-columns:1fr 1fr}
  .pillar:nth-child(2){border-right:0}
  .pillar:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .values{grid-template-columns:1fr}
  .clients{grid-template-columns:repeat(3,1fr)}
  .tb{grid-template-columns:1fr}
  .tb .main{border-right:0;border-bottom:2px solid var(--ink)}
  section{padding-block:48px}
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .pillar{border-right:0;border-bottom:1px solid var(--line)}
  .pillar:last-child{border-bottom:0}
  .clients{grid-template-columns:repeat(2,1fr)}
  nav{gap:14px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:12px;top:12px;background:var(--steel);color:var(--on-steel);padding:8px 14px;z-index:50}
nav a[aria-current="page"]{color:var(--ink);font-weight:600;box-shadow:0 2px 0 var(--gold)}
.crumbs{font-size:13px;color:var(--ink-soft);padding-top:22px}
.crumbs ol{list-style:none;display:flex;gap:8px;flex-wrap:wrap;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--ink-soft);opacity:.5}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.page-hero{padding-block:24px 48px}
.page-hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:700;text-transform:uppercase;line-height:1.08;margin:14px 0 16px;max-width:24ch}
.page-hero p.lead{font-size:18px;color:var(--ink-soft);max-width:64ch;margin:0}
.detail{display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:start;padding-block:44px}
.detail.flip .plate{order:2}
.detail h2{font-size:clamp(24px,3vw,34px);text-transform:uppercase;margin-bottom:12px}
.detail p{color:var(--ink-soft);margin:0 0 14px;max-width:62ch}
.detail h3{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--signal);margin:20px 0 10px;font-weight:600}
.checks{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:8px}
.checks li{padding-left:24px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:.7em;width:12px;height:2px;background:var(--gold)}
.plate svg text{font-size:8.5px}
.card h3 a{text-decoration:none}.card h3 a:hover{text-decoration:underline}
.more{font-weight:600;font-size:14px;color:var(--signal);text-decoration:none}.more:hover{text-decoration:underline}
.sec-head .more{display:inline-block;margin-top:10px}
.cta-band{margin-block:56px 24px;background:var(--steel);color:var(--on-steel);padding:36px 32px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,3vw,32px);text-transform:uppercase}
.cta-band p{margin:8px 0 0;opacity:.88;max-width:52ch}
.cta-band .btn{background:var(--on-steel);color:var(--steel);border-color:var(--on-steel)}
.cta-band .btn:hover{background:transparent;color:var(--on-steel)}
.phases{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);background:var(--sheet)}
.phase{padding:22px 18px 24px;border-right:1px solid var(--line);min-width:0}
.phase:last-child{border-right:0}
.phase .label{color:var(--signal)}
.phase h3{font-size:18px;margin:10px 0 8px;text-transform:uppercase}
.phase p{margin:0;font-size:14px;color:var(--ink-soft)}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:17px}
.faq details p{margin:10px 0 0;color:var(--ink-soft);max-width:70ch}
.faq{border-top:1px solid var(--line)}
.info{width:100%;border-collapse:collapse;background:var(--sheet);border:1px solid var(--line)}
.info th,.info td{text-align:left;padding:13px 18px;border-bottom:1px solid var(--line);font-size:15px}
.info th{width:34%;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);font-weight:500}
.info tr:last-child th,.info tr:last-child td{border-bottom:0}
.info .todo{color:var(--signal)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.form{background:var(--sheet);border:1px solid var(--line);padding:26px}
.field{display:grid;gap:6px;margin-bottom:16px}
.field label{font-size:13px;font-weight:600}
.field input,.field select,.field textarea{font:inherit;padding:12px;border:1px solid var(--line);background:var(--paper);color:var(--ink);width:100%;border-radius:0}
.field textarea{min-height:130px;resize:vertical}
.form button{font:inherit;font-weight:600;cursor:pointer;background:var(--steel);color:var(--on-steel);border:1.5px solid var(--steel);padding:13px 24px}
.form button:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
#form-msg{margin-top:14px;font-size:14px;color:var(--ink-soft)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding-block:44px 28px;border-top:1px solid var(--line);margin-top:48px}
.foot-grid h2{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--signal);margin-bottom:12px;font-weight:600}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:7px;font-size:14px}
.foot-grid a{text-decoration:none;color:var(--ink-soft)}.foot-grid a:hover{color:var(--ink);text-decoration:underline}
.foot-grid p{margin:0;font-size:14px;color:var(--ink-soft);max-width:34ch}
@media (max-width:900px){
  .detail,.two{grid-template-columns:1fr;gap:22px}
  .detail.flip .plate{order:0}
  .phases{grid-template-columns:1fr}
  .phase{border-right:0;border-bottom:1px solid var(--line)}
  .phase:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}.cta-band{padding:28px 20px}}