:root{
  --ink:#0F2E3D; --ink-2:#1C4A5E; --paper:#FFFFFF; --tint:#F0F4F6; --line:#D3DDE2;
  --text:#1B2A33; --muted:#4D606B; --brass:#B8862B; --brass-soft:#F3E9D2;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:1.0625rem;line-height:1.6;color:var(--text);background:var(--paper)}
img,svg{max-width:100%;display:block}
a{color:var(--ink-2)}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--brass);outline-offset:3px;border-radius:2px}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.15;margin:0 0 .5em;font-weight:600}
h1{font-size:clamp(2rem,4.6vw,3.25rem);letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,2.8vw,2.1rem)}
h3{font-size:1.3rem}
p{margin:0 0 1em}

/* header */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-family:var(--serif);font-weight:700;font-size:1.1rem;line-height:1.1}
.star{width:34px;height:34px;fill:var(--brass);flex:none}
.logo-mark{width:44px;height:44px;flex:none;border-radius:8px;background:#000}
.nav{display:flex;align-items:center;gap:26px}
.nav a{text-decoration:none;color:var(--text);font-weight:500;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--brass);color:var(--ink)}
.nav a.btn{border-bottom:0;color:#fff;padding:10px 18px}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:9px 14px;font:inherit;font-weight:600;color:var(--ink);cursor:pointer}

/* buttons */
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;padding:14px 24px;border-radius:6px;border:2px solid var(--ink);transition:background .15s,color .15s;cursor:pointer;font-family:var(--sans);font-size:1rem}
.btn:hover{background:var(--ink-2);border-color:var(--ink-2);color:#fff}
.btn-sm{padding:10px 18px;font-size:.95rem}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:var(--brass-soft);color:var(--ink);border-color:var(--brass-soft)}
.link{font-weight:600}

/* hero */
.hero{padding:72px 0 80px;background:linear-gradient(180deg,var(--tint),#fff 85%)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center}
.lede{font-size:1.22rem;color:var(--muted);max-width:60ch}
.lede-dark{font-size:1.15rem;color:var(--text);max-width:56ch}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.bidfile{background:#fff;border:1px solid var(--line);border-top:6px solid var(--brass);border-radius:4px;box-shadow:0 18px 40px -24px rgba(15,46,61,.45)}
.bidfile-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 22px;border-bottom:1px dashed var(--line);font-family:var(--serif);font-weight:600;color:var(--ink)}
.tag{font-family:var(--sans);font-size:.8rem;font-weight:600;background:var(--brass-soft);color:#6B4A0E;padding:4px 10px;border-radius:99px}
.bidfile ul{list-style:none;margin:0;padding:8px 22px 14px}
.bidfile li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--tint)}
.bidfile li:last-child{border-bottom:0}
.bidfile strong{display:block;color:var(--ink)}
.bidfile small{display:block;color:var(--muted);font-size:.92rem;line-height:1.4}
.tick{flex:none;width:24px;height:24px;border-radius:50%;background:var(--ink);position:relative;margin-top:2px}
.tick::after{content:"";position:absolute;left:8px;top:4px;width:6px;height:11px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}

/* sections */
.section{padding:80px 0}
.tint{background:var(--tint)}
.sec-title{margin-bottom:.8em}
.rows{border-top:2px solid var(--ink)}
.row{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;padding:28px 0;border-bottom:1px solid var(--line)}
.row h3{margin:0}
.row h3 a{text-decoration:none;color:var(--ink)}
.row h3 a:hover{text-decoration:underline;text-decoration-color:var(--brass);text-underline-offset:5px}
.row p{margin:0;color:var(--muted)}
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:0 0 28px 64px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.steps li:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;font-family:var(--serif);font-weight:700;font-size:1.2rem;display:grid;place-items:center}
.steps h3{margin-bottom:.25em}
.steps p{margin:0;color:var(--muted)}
.proof{display:grid;grid-template-columns:1.4fr .6fr;gap:56px;align-items:start}
.proof-h{font-size:1.5rem;margin-bottom:.4em}
.proof-note{border-left:4px solid var(--brass);padding-left:24px}
.proof-note p{margin-bottom:1.2em;color:var(--muted)}
.proof-note strong{color:var(--ink)}
.quals p{padding:14px 0;margin:0;border-bottom:1px solid var(--line)}
.quals p:first-child{border-top:2px solid var(--ink)}
.quals strong{display:inline-block;min-width:96px;color:var(--ink);font-family:var(--serif)}
.cta-band{background:var(--ink);color:#fff;padding:72px 0}
.cta-in{max-width:760px}
.cta-band h2{color:#fff}
.cta-band p{color:#D6E2E8;font-size:1.15rem}

/* inner pages */
.page-head{background:var(--tint);padding:64px 0 52px;border-bottom:1px solid var(--line)}
.page-head h1{max-width:20ch}
.svc{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;padding:40px 0;border-top:2px solid var(--ink);scroll-margin-top:96px}
.svc:last-child{border-bottom:1px solid var(--line)}
.svc h2{font-size:1.6rem}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{position:relative;padding:8px 0 8px 30px}
.ticks li::before{content:"";position:absolute;left:4px;top:15px;width:7px;height:12px;border:solid var(--brass);border-width:0 3px 3px 0;transform:rotate(45deg)}
.faq{max-width:820px}
details{border-bottom:1px solid var(--line);padding:4px 0}
summary{cursor:pointer;font-weight:600;color:var(--ink);padding:16px 0;list-style:none;position:relative;padding-right:36px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:10px;font-size:1.6rem;color:var(--brass);line-height:1}
details[open] summary::after{content:"\2212"}
details p{color:var(--muted);padding-bottom:12px;margin:0}
.about-grid{display:grid;grid-template-columns:1.5fr .7fr;gap:64px;align-items:start}
.prose h2{font-size:1.5rem;margin-top:1.4em}
.prose h2:first-child{margin-top:0}
.prose p{max-width:68ch}
.narrow{max-width:760px}
.facts{background:var(--tint);border-top:6px solid var(--brass);padding:28px}
.facts h2{font-size:1.25rem}
.facts dt{font-weight:600;color:var(--ink);margin-top:16px;font-size:.92rem}
.facts dd{margin:2px 0 0;color:var(--muted);overflow-wrap:anywhere}
.contact-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:64px;align-items:start}
.form .field{margin-bottom:20px}
.form label{display:block;font-weight:600;color:var(--ink);margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;font:inherit;padding:12px 14px;border:1.5px solid #8FA2AD;border-radius:6px;background:#fff;color:var(--text)}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--ink);outline:3px solid var(--brass-soft)}
.form-msg{background:#FBEAEA;border:1.5px solid #B3261E;color:#5C1410;padding:14px 16px;border-radius:6px;margin:0 0 20px}
.form-msg a{color:#5C1410;font-weight:600}
.btn:disabled{opacity:.65;cursor:wait}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.contact-side h2{font-size:1.15rem;margin-top:1.4em}
.contact-side h2:first-child{margin-top:0}

/* footer */
.site-footer{background:#0A2230;color:#fff;padding:56px 0 0}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:1.2rem;margin-bottom:.6em}
.foot-brand .logo-mark{width:36px;height:36px}
.foot-h{font-weight:700;margin-bottom:.6em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{padding:3px 0}
.site-footer a{color:#fff;text-decoration-color:var(--brass);text-underline-offset:3px}
.site-footer a:hover{color:var(--brass-soft)}
.muted-on-dark{color:#B9CBD4}
.legal{border-top:1px solid #254558;padding:20px 24px;color:#B9CBD4;font-size:.9rem}
.legal p{margin:0}

@media (max-width:900px){
  .hero-grid,.split,.proof,.about-grid,.contact-grid,.svc,.row{grid-template-columns:1fr;gap:28px}
  .row{gap:10px}
  .foot{grid-template-columns:1fr 1fr}
  .section{padding:56px 0}
  .hero{padding:48px 0 56px}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:4px;padding:16px 24px 24px}
  .nav.open{display:flex}
  .nav a{padding:10px 0;width:100%}
  .nav a.btn{width:auto;margin-top:8px}
  .site-header{position:relative}
  .foot{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ---- resources, articles, guides (added Oct 21 2026) ---- */
.crumbs{font-size:.92rem;color:var(--muted);margin:0 0 14px}
.crumbs a{color:var(--muted)}
.crumbs .sep{margin:0 8px}
.article-page .page-head h1{max-width:26ch}
.meta{color:var(--muted);font-size:.95rem;margin:16px 0 0}
.article{max-width:740px}
.article h2{font-size:1.5rem;margin-top:1.7em;scroll-margin-top:96px}
.article h3{font-size:1.15rem;margin-top:1.3em}
.article p,.article li{max-width:68ch}
.article ul,.article ol{padding-left:1.3em;margin:0 0 1em}
.article li{margin-bottom:.45em}
.toc{background:var(--tint);border-left:4px solid var(--brass);padding:18px 22px;margin:0 0 2em}
.toc strong{display:block;font-family:var(--serif);color:var(--ink);margin-bottom:6px;font-size:1.1rem}
.toc ol{margin:0;padding-left:1.2em}
.toc li{margin-bottom:.25em}
.callout{background:var(--brass-soft);border-left:4px solid var(--brass);padding:16px 20px;margin:1.6em 0;border-radius:2px}
.callout p:last-child{margin-bottom:0}
.table-wrap{overflow-x:auto;margin:1.2em 0}
.tbl{width:100%;border-collapse:collapse;font-size:.98rem;min-width:520px}
.tbl th,.tbl td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.tbl th{background:var(--ink);color:#fff;font-weight:600}
.sources{border-top:1px solid var(--line);margin-top:2.2em;padding-top:1em;font-size:.95rem;color:var(--muted)}
.sources h2{font-size:1.1rem;margin-top:0}
.sources li{margin-bottom:.3em}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:24px}
.card{border:1px solid var(--line);border-top:5px solid var(--brass);border-radius:4px;padding:24px;background:#fff;display:flex;flex-direction:column}
.card h3{font-size:1.2rem;margin-bottom:.4em}
.card h3 a{text-decoration:none;color:var(--ink)}
.card h3 a:hover{text-decoration:underline;text-decoration-color:var(--brass);text-underline-offset:4px}
.card p{color:var(--muted);flex:1}
.card .btn{align-self:flex-start}
.card-tag{font-size:.82rem;font-weight:600;color:#6B4A0E;background:var(--brass-soft);display:inline-block;padding:3px 10px;border-radius:99px;margin-bottom:12px;align-self:flex-start}
.group-title{margin:2.2em 0 .8em}
.group-title:first-child{margin-top:0}
.link-line{margin-top:1em}
.gloss dt{font-weight:600;color:var(--ink);margin-top:22px;scroll-margin-top:96px;font-family:var(--serif);font-size:1.12rem}
.gloss dd{margin:4px 0 0;color:var(--muted);max-width:68ch}
.az{display:flex;flex-wrap:wrap;gap:8px 14px;margin:0 0 1.6em;padding:0;list-style:none}
.related{margin-top:2.4em}
.related h2{font-size:1.25rem}
@media (max-width:760px){.article-page .page-head h1{max-width:none}}