:root{
  --bg:#f4f6f5;--surface:#ffffff;--surface2:#eaf0f2;--ink:#14212b;--muted:#4f5f6a;--line:#d6dfe3;
  --cool:#1d6a9e;--cool-soft:#dcebf5;--warm:#c96f1a;--warm-soft:#f8e6d2;--cta:#e08a2e;--cta-ink:#1a1206;
  --link:#17608f;--focus:#1d6a9e;
  --r:14px;--shadow:0 1px 2px rgba(20,33,43,.06),0 8px 24px rgba(20,33,43,.06);
  --head:"Bricolage Grotesque",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Public Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0e161c;--surface:#15212a;--surface2:#1b2a35;--ink:#e6eef2;--muted:#9fb1bc;--line:#283a46;
  --cool:#6db4e6;--cool-soft:#173548;--warm:#f0a253;--warm-soft:#3a2614;--cta:#f0a253;--cta-ink:#1a1206;
  --link:#7cc0ee;--focus:#7cc0ee;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0e161c;--surface:#15212a;--surface2:#1b2a35;--ink:#e6eef2;--muted:#9fb1bc;--line:#283a46;
  --cool:#6db4e6;--cool-soft:#173548;--warm:#f0a253;--warm-soft:#3a2614;--cta:#f0a253;--cta-ink:#1a1206;
  --link:#7cc0ee;--focus:#7cc0ee;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--body)}
img{max-width:100%}
a{color:var(--link);text-underline-offset:2px}
a:hover{color:var(--cool)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
h1,h2,h3{font-family:var(--head);line-height:1.15;text-wrap:balance;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.2vw,2.9rem)}
h2{font-size:clamp(1.35rem,2.4vw,1.7rem);margin-top:1.6em}
h3{font-size:1.15rem;margin-top:1.3em}
p,ul,ol{margin:0 0 1em}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-999px;top:0;background:var(--surface);padding:8px 12px;z-index:20}
.skip:focus{left:8px;top:8px}
.small{font-size:.85rem;color:var(--muted)}
.note{font-size:.88rem;color:var(--muted);border-left:3px solid var(--line);padding-left:12px}
.mt{margin-top:2em}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--surface);z-index:10}
.top{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:env(safe-area-inset-top,0px);z-index:9}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:10px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--head);font-size:.95rem;line-height:1.05}
.logo b{font-weight:700}
.logo-mark{display:grid;grid-template-columns:1fr 1fr;width:34px;height:34px;border-radius:10px;overflow:hidden;flex:none}
.logo-mark i:first-child{background:var(--warm)}.logo-mark i:last-child{background:var(--cool)}
.nav{display:flex;align-items:center;gap:4px 16px;flex-wrap:wrap;font-size:.95rem}
.nav a{text-decoration:none;color:var(--ink)}
.nav a:hover{color:var(--cool)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--cta);color:var(--cta-ink)!important;font-weight:600;border:0;border-radius:999px;padding:12px 22px;font:600 1rem/1.2 var(--body);text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(1.05)}
.btn-sm{padding:8px 16px;font-size:.9rem}
.btn-ghost{background:transparent;color:var(--ink)!important;border:1.5px solid var(--line)}

/* crumbs */
.crumbs{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;padding:16px 0 0;margin:0;font-size:.85rem;color:var(--muted)}
.crumbs li+li::before{content:"›";margin-right:8px;color:var(--muted)}
.crumbs a{color:var(--muted)}

/* eyebrow dots */
.eyebrow{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:.8rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:12px}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.dot.warm{background:var(--warm)}.dot.cool{background:var(--cool);margin-left:4px}
.answer{font-size:1.12rem;line-height:1.6;max-width:68ch}

/* hero */
.hero{background:linear-gradient(100deg,var(--warm-soft) 0%,var(--bg) 45%,var(--cool-soft) 100%);border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;padding-block:48px 56px;align-items:center}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0}
.facts div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--shadow);min-width:0}
.facts dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.facts dd{margin:4px 0 2px;font:700 1.9rem/1.1 var(--head)}
.facts dd small{font-size:.9rem;font-weight:600;color:var(--muted)}
.facts span{font-size:.82rem;color:var(--muted);display:block;line-height:1.35}
.facts div:nth-child(1) dd{color:var(--warm)}.facts div:nth-child(3) dd{color:var(--cool)}

/* sections */
.band{padding-block:40px 8px}
.two{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px;align-items:start}
.prose{min-width:0;max-width:72ch}
.narrow{max-width:760px}
.prose li{margin-bottom:.35em}

/* doc pages */
.doc{padding-block:20px 48px}
.doc-head{padding:16px 0 8px;max-width:820px}
.doc-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:start;margin-top:16px}
.side{position:sticky;top:calc(env(safe-area-inset-top,0px) + 84px);min-width:0}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding-left:44px;margin-bottom:14px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--cool-soft);color:var(--cool);font:700 .95rem/30px var(--head);text-align:center}
.callout{background:var(--warm-soft);border-radius:var(--r);padding:16px 20px;margin:0 0 1.2em}
.callout ul{margin:.5em 0 0}

/* tables */
.tbl{overflow-x:auto;margin:0 0 1em;max-width:100%}
.data{width:100%;border-collapse:collapse;font-size:.94rem}
.data th,.data td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.data th{background:var(--surface2);font-weight:600}

/* cards and chips */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:0 0 1em}
.card{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;text-decoration:none;color:var(--ink);min-width:0;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--cool);transform:translateY(-1px);color:var(--ink)}
.card b{font-family:var(--head);font-size:1.05rem;line-height:1.25}
.card span:last-child:not(.card-k){font-size:.88rem;color:var(--muted)}
.card-k{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--warm);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:baseline;gap:6px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);text-decoration:none;color:var(--ink);font-size:.92rem}
.chip:hover{border-color:var(--cool)}
.chip small{color:var(--muted);font-size:.78rem}
.related{margin-top:40px}

/* faq + sources */
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;font-weight:600;list-style-position:outside}
.faq details p{margin:.6em 0 0}
.sources ul{font-size:.9rem;padding-left:1.1em}

/* form */
.lead{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--cool);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.lead-h{font:700 1.25rem/1.2 var(--head);margin:0 0 4px}
.lead-sub{font-size:.9rem;color:var(--muted)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px;margin-bottom:12px}
.grid2 .span2{grid-column:1/-1}
.lead label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;font-weight:600;min-width:0}
.lead input,.lead select,.lead textarea{font:400 1rem/1.3 var(--body);padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);width:100%;min-width:0}
.lead .consent{flex-direction:row;align-items:flex-start;gap:8px;font-weight:400;font-size:.82rem;margin-bottom:12px}
.lead .consent input{width:auto;margin-top:3px}
.lead .btn{width:100%}
.lead-msg{margin:10px 0 0;font-weight:600}
.lead-msg.ok{color:var(--cool)}.lead-msg.err{color:var(--warm)}

/* calculator */
.calc-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow);min-width:0}
.calc-box h2{margin-top:0}
.calc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:0 0 1em}
.calc-box .calc{border:0;padding:0;margin:0}
.calc-in{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}
.calc-in label{display:flex;flex-direction:column;gap:4px;font-size:.82rem;font-weight:600}
.calc-in input{font:400 1rem var(--body);padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);width:100%;min-width:0}
.calc-out{display:grid;gap:8px;margin:14px 0}
.calc-out div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 12px;border-radius:10px;background:var(--surface2)}
.calc-out div:first-child{background:var(--cool-soft)}
.calc-out strong{font:700 1.3rem var(--head)}
.calc-out div:first-child strong{color:var(--cool)}

/* footer */
.foot{background:var(--surface);border-top:1px solid var(--line);margin-top:48px;padding-block:40px calc(24px + env(safe-area-inset-bottom,0px));font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.foot-grid>div{min-width:0}
.foot ul{list-style:none;padding:0;margin:0 0 1em}
.foot li{margin-bottom:4px}
.foot a{color:var(--ink);text-decoration:none}.foot a:hover{color:var(--cool);text-decoration:underline}
.foot-name{font:700 1.1rem var(--head)}
.foot-h{font-weight:600;text-transform:uppercase;font-size:.75rem;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}

.m-cta{display:none}
@media (max-width:900px){
  .m-cta{display:block;margin-top:16px}
  .hero-in,.two,.doc-grid{grid-template-columns:1fr}
  .side{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .grid2,.calc-in{grid-template-columns:1fr}
  .facts dd{font-size:1.5rem}
  .foot-grid{grid-template-columns:1fr}
  .nav{font-size:.9rem;gap:4px 12px}
  .top{position:static}
  .top-in{gap:8px}
  .hero-in{padding-block:32px 40px}
}