/* ==========================================================================
   Galvanizing Kettle Export Site — Design System
   Generated for [[CO]] · 2026-08-25
   Palette grounded in the subject: steel plate, zinc spangle, molten zinc.
   ========================================================================== */

:root{
  --paper:#FAFAF8;
  --surface:#FFFFFF;
  --surface-2:#F1F0EC;
  --surface-3:#E7E6E1;
  --ink:#111315;
  --ink-2:#4A5157;
  --ink-3:#767C82;
  --line:#E3E2DD;
  --line-2:#C9C7C0;
  --steel:#2C3E4C;
  --steel-2:#42596B;
  --steel-soft:#E4EAEE;
  --zinc:#7A94A3;
  --molten:#C2571C;
  --molten-soft:#FBEADF;
  --ok:#4E6B3E;
  --ok-soft:#E6EDDF;
  --shadow:0 1px 2px rgba(17,19,21,.04),0 6px 18px rgba(17,19,21,.05);
  --radius:3px;
  --maxw:1320px;
  --gutter:28px;
}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0F1113;
    --surface:#16191C;
    --surface-2:#1E2226;
    --surface-3:#272C31;
    --ink:#E9E9E6;
    --ink-2:#A9AFB5;
    --ink-3:#7A8087;
    --line:#282D32;
    --line-2:#3A4046;
    --steel:#8FB0C4;
    --steel-2:#6E93AB;
    --steel-soft:#1A2429;
    --zinc:#8AA3B1;
    --molten:#E08A4C;
    --molten-soft:#2E1A0E;
    --ok:#93B37A;
    --ok-soft:#1B2317;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.26);
  }
}
:root[data-theme="dark"]{
  --paper:#0F1113;
  --surface:#16191C;
  --surface-2:#1E2226;
  --surface-3:#272C31;
  --ink:#E9E9E6;
  --ink-2:#A9AFB5;
  --ink-3:#7A8087;
  --line:#282D32;
  --line-2:#3A4046;
  --steel:#8FB0C4;
  --steel-2:#6E93AB;
  --steel-soft:#1A2429;
  --zinc:#8AA3B1;
  --molten:#E08A4C;
  --molten-soft:#2E1A0E;
  --ok:#93B37A;
  --ok-soft:#1B2317;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.26);
}

/* ---------- base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.mono,code,kbd{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:2px solid var(--steel);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:0;background:var(--steel);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:760px}

/* ---------- full-bleed grid ----------
   main is the grid; its direct children sit in the centre column, and anything
   marked .bleed spans edge to edge with its own inner container. Uses grid
   rather than the 100vw/negative-margin trick, which overflows by the width of
   the scrollbar. */
main{
  display:grid;
  grid-template-columns:
    [full-start] minmax(var(--gutter),1fr)
    [content-start] min(var(--maxw), 100% - (var(--gutter) * 2)) [content-end]
    minmax(var(--gutter),1fr) [full-end];
}
main > *{grid-column:content}
main > .bleed{
  grid-column:full;
  display:grid;
  grid-template-columns:inherit;
  padding:56px 0;
  margin:56px 0;
}
main > .bleed > *{grid-column:content}
.bleed-tint{background:var(--surface-2);border-block:1px solid var(--line)}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--surface) 92%,transparent);
  backdrop-filter:saturate(1.4) blur(8px);
  border-bottom:1px solid var(--line);
}
.head-in{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);display:flex;align-items:center;gap:26px;min-height:66px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);flex-shrink:0}
.brand-mark{
  width:26px;height:26px;border-radius:2px;flex-shrink:0;
  background:linear-gradient(150deg,var(--steel) 0%,var(--steel) 55%,var(--molten) 55%,var(--molten) 100%);
}
.brand-name{font-weight:700;font-size:17px;letter-spacing:-.01em;line-height:1.1}
.brand-name small{display:block;font-weight:500;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-top:2px}

.nav{display:none;margin-left:auto;align-items:center;gap:4px}
@media(min-width:1000px){.nav{display:flex}}
.nav a{
  padding:9px 12px;border-radius:2px;text-decoration:none;color:var(--ink-2);
  font-size:15px;font-weight:500;white-space:nowrap;transition:color .15s,background .15s;
}
.nav a:hover{color:var(--steel);background:var(--steel-soft)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--molten)}
.nav .cta-sm{
  background:var(--molten);color:#fff;font-weight:600;margin-left:10px;padding:9px 16px;
}
.nav .cta-sm:hover{background:var(--molten);color:#fff;filter:brightness(1.08)}

.navtoggle{
  margin-left:auto;display:flex;align-items:center;gap:8px;background:none;border:1px solid var(--line-2);
  color:var(--ink);border-radius:2px;padding:8px 12px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;
}
@media(min-width:1000px){.navtoggle{display:none}}
.navdrawer{display:none;border-top:1px solid var(--line);background:var(--surface);padding:10px 0 18px}
.navdrawer.open{display:block}
@media(min-width:1000px){.navdrawer{display:none!important}}
.navdrawer a{
  display:block;padding:11px 24px;text-decoration:none;color:var(--ink-2);font-size:16px;font-weight:500;
  border-bottom:1px solid var(--line);
}
.navdrawer a:last-child{border-bottom:0}
.navdrawer a:hover{background:var(--surface-2);color:var(--steel)}

/* ---------- breadcrumb ---------- */
.crumb{padding:16px 0 0;font-size:13px;color:var(--ink-3)}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumb li::after{content:"/";margin-left:6px;color:var(--line-2)}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--ink-3);text-decoration:none}
.crumb a:hover{color:var(--steel);text-decoration:underline}

/* ---------- typography ---------- */
h1,h2,h3,h4{color:var(--ink);text-wrap:balance;margin:0}
h1{font-size:clamp(34px,5.2vw,56px);line-height:1.04;letter-spacing:-.024em;font-weight:700}
h2{font-size:clamp(24px,3.2vw,34px);line-height:1.14;letter-spacing:-.016em;font-weight:700;margin:52px 0 16px}
h3{font-size:clamp(19px,2.2vw,23px);line-height:1.24;letter-spacing:-.008em;font-weight:650;margin:38px 0 12px}
h4{font-size:17.5px;line-height:1.32;font-weight:650;margin:28px 0 9px}
h2+h3,h3+h4{margin-top:20px}
p{margin:0 0 17px;max-width:68ch}
/* A wider container must not make prose lines longer. */
.lede{font-size:clamp(18px,2.1vw,21px);line-height:1.55;color:var(--ink-2);max-width:60ch;font-weight:400}
ul,ol{margin:0 0 18px;padding-left:1.3em;max-width:68ch}
li{margin-bottom:8px}
li::marker{color:var(--zinc)}
strong,b{font-weight:650}
a{color:var(--steel);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px;
  text-decoration-color:color-mix(in srgb,var(--steel) 38%,transparent)}
a:hover{text-decoration-color:var(--steel)}
code{font-size:.88em;background:var(--surface-2);padding:2px 6px;border-radius:2px;border:1px solid var(--line)}
hr{border:0;border-top:1px solid var(--line);margin:44px 0}
.eyebrow{
  font-size:11.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-3);
  font-weight:650;margin-bottom:16px;display:block;
}

/* ---------- hero ---------- */
.hero{padding:52px 0 44px;border-bottom:1px solid var(--line)}
main > .hero{grid-column:content}
.hero h1{max-width:16ch}
.hero .lede{margin-top:20px}
.hero-media{margin-top:34px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.btnrow{display:flex;flex-wrap:wrap;gap:11px;margin-top:26px}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:2px;
  font-size:15.5px;font-weight:600;text-decoration:none;border:1px solid transparent;transition:.15s;
}
.btn-pri{background:var(--molten);color:#fff}
.btn-pri:hover{filter:brightness(1.08);color:#fff}
.btn-sec{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-sec:hover{border-color:var(--steel);color:var(--steel);background:var(--steel-soft)}

/* ---------- fact bar ---------- */
.factbar{
  display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);background:var(--surface);
  border-radius:var(--radius);overflow:hidden;margin:30px 0;
}
.factbar>div{padding:18px 22px;border-right:1px solid var(--line);flex:1 1 190px;min-width:0}
.factbar>div:last-child{border-right:0}
.factbar dt{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);font-weight:650;margin-bottom:6px}
.factbar dd{margin:0;font-size:21px;font-weight:700;line-height:1.2;letter-spacing:-.015em;font-variant-numeric:tabular-nums}
.factbar dd small{display:block;font-size:13px;font-weight:400;color:var(--ink-2);letter-spacing:0;margin-top:3px}

/* ---------- spec table ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin:22px 0 26px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:min(100%,520px)}
caption{
  caption-side:top;text-align:left;padding:14px 16px 10px;font-size:11.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-3);font-weight:650;border-bottom:1px solid var(--line);
}
th,td{padding:11px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;
  font-variant-numeric:tabular-nums;line-height:1.5}
th{background:var(--surface-2);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;
  font-weight:700;color:var(--ink-2);white-space:nowrap;border-bottom:1px solid var(--line-2)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--surface-2)}
td.num,th.num{text-align:right}
.spec td:first-child{font-weight:600;white-space:nowrap}
.tnote{font-size:14px;color:var(--ink-2);margin:-14px 0 24px;max-width:68ch}

/* ---------- standard reference ---------- */
.std{
  border-left:3px solid var(--steel);background:var(--surface);border:1px solid var(--line);
  border-left-width:3px;border-radius:var(--radius);padding:14px 18px;margin:20px 0;
  font-family:"IBM Plex Mono",monospace;font-size:14px;line-height:1.6;color:var(--ink-2);
}
.std b{color:var(--ink);font-weight:600}
.src{
  font-size:13.5px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:16px;margin-top:38px;
  font-style:italic;max-width:70ch;
}

/* ---------- note ---------- */
.note{border:1px solid var(--line);border-left:4px solid var(--steel);background:var(--surface);
  border-radius:var(--radius);padding:18px 22px;margin:24px 0}
.note.opp{border-left-color:var(--ok);background:var(--ok-soft)}
.note.warn{border-left-color:var(--molten);background:var(--molten-soft)}
.note>:last-child{margin-bottom:0}
.note-t{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--steel);display:block;margin-bottom:8px}
.note.opp .note-t{color:var(--ok)}
.note.warn .note-t{color:var(--molten)}
.note p,.note ul,.note ol{font-size:16px}

/* ---------- evidence list ---------- */
.evidence{list-style:none;padding:0;margin:22px 0;max-width:70ch;counter-reset:ev}
.evidence li{
  counter-increment:ev;display:grid;grid-template-columns:30px 1fr;gap:14px;align-items:start;
  padding:15px 0;border-bottom:1px solid var(--line);margin:0;
}
.evidence li:last-child{border-bottom:0}
.evidence li::before{
  content:counter(ev,decimal-leading-zero);font-family:"IBM Plex Mono",monospace;font-size:12px;
  color:var(--molten);font-weight:600;padding-top:3px;letter-spacing:.04em;
  grid-column:1;grid-row:1;
}
/* Three children in a two-column grid: without these the description lands in
   the 30px counter column and wraps one word per line. */
.evidence b{display:block;margin-bottom:3px;grid-column:2}
.evidence span{font-size:15px;color:var(--ink-2);display:block;line-height:1.55;
  grid-column:2;max-width:70ch}

/* ---------- photo slot ---------- */
.photoslot{
  border:2px dashed var(--line-2);border-radius:var(--radius);background:var(--surface-2);
  padding:30px 24px;margin:26px 0;text-align:center;
}
.photoslot .ps-p{
  display:inline-block;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;font-weight:700;
  padding:3px 9px;border-radius:2px;margin-bottom:11px;
}
.photoslot .ps-p.p0{background:var(--molten);color:#fff}
.photoslot .ps-p.p1{background:var(--steel);color:#fff}
.photoslot .ps-p.p2{background:var(--surface-3);color:var(--ink-3)}
.photoslot b{display:block;font-size:16px;margin-bottom:5px;color:var(--ink)}
.photoslot span{font-size:14px;color:var(--ink-3);display:block;max-width:52ch;margin:0 auto;line-height:1.5}
.photoslot.video{border-style:solid;border-color:var(--molten);background:var(--molten-soft)}

/* ---------- diagram ---------- */
figure.diagram{margin:28px 0;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:var(--surface)}
.diagram-in{padding:22px 20px 8px;overflow-x:auto}
.diagram-in svg{width:100%;min-width:520px;height:auto;display:block}
figure.diagram figcaption{padding:14px 20px;font-size:14px;line-height:1.55;color:var(--ink-2);
  border-top:1px solid var(--line);background:var(--surface-2)}
.diagram-tag{display:inline-block;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  font-weight:700;color:var(--steel);background:var(--steel-soft);padding:2px 8px;
  border-radius:2px;margin-right:8px;vertical-align:1px}

/* ---------- figure ---------- */
figure{margin:26px 0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
figure img{width:100%}
figcaption{padding:12px 18px;font-size:14px;color:var(--ink-2);border-top:1px solid var(--line);background:var(--surface-2)}

/* ---------- card grid ---------- */
.grid{display:grid;gap:16px;margin:26px 0}
.grid.g2{grid-template-columns:1fr}
.grid.g3{grid-template-columns:1fr}
@media(min-width:720px){.grid.g2,.grid.g3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.grid.g3{grid-template-columns:repeat(3,1fr)}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:border-color .15s,transform .15s;
}
a.card{text-decoration:none;color:inherit}
a.card:hover{border-color:var(--steel);transform:translateY(-2px)}
.card .k{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--ink-3);letter-spacing:.05em;margin-bottom:10px;display:block}
.card h3{margin:0 0 9px;font-size:19px;line-height:1.28}
.card p{font-size:15px;color:var(--ink-2);margin:0 0 14px;line-height:1.55;flex:1;max-width:none}
.card .more{font-size:14.5px;font-weight:600;color:var(--steel);margin-top:auto}

/* ---------- FAQ ---------- */
.faq{margin:26px 0;max-width:74ch}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{
  cursor:pointer;padding:18px 34px 18px 0;font-size:17.5px;font-weight:600;list-style:none;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--zinc);line-height:1;
}
.faq details[open] summary::after{content:"\2212"}
.faq details>*:not(summary){margin-bottom:18px}
.faq p{font-size:16px;color:var(--ink-2)}

/* ---------- CTA band ---------- */
.ctaband{
  grid-column:full !important;
  display:grid;grid-template-columns:inherit;
  background:var(--steel);color:#fff;padding:52px 0;margin:64px 0 0;
}
.ctaband > .ctaband-in{grid-column:content}
.ctaband h2{color:#fff;margin:0 0 12px;font-size:clamp(22px,2.9vw,30px)}
.ctaband p{color:rgba(255,255,255,.82);max-width:56ch;margin-bottom:22px}
.ctaband .btn-pri{background:var(--molten)}
.ctaband .btn-sec{color:#fff;border-color:rgba(255,255,255,.42)}
.ctaband .btn-sec:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}

/* ---------- placeholder token ---------- */
.ph{
  background:var(--molten-soft);color:var(--molten);border:1px dashed var(--molten);
  padding:0 5px;border-radius:2px;font-family:"IBM Plex Mono",monospace;font-size:.86em;font-weight:600;
  white-space:nowrap;
}

/* ---------- form ---------- */
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin:26px 0;max-width:640px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field label .req{color:var(--molten)}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line-2);border-radius:2px;
  background:var(--paper);color:var(--ink);font:inherit;font-size:16px;
}
.field textarea{min-height:110px;resize:vertical}
.field .hint{font-size:13px;color:var(--ink-3);margin-top:5px}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);background:var(--surface);margin-top:78px;padding:48px 0 32px}
.foot-grid{display:grid;gap:32px;margin-bottom:38px}
@media(min-width:760px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot-grid h4{font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);margin:0 0 14px;font-weight:700}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:9px}
.foot-grid a{color:var(--ink-2);text-decoration:none;font-size:15px}
.foot-grid a:hover{color:var(--steel);text-decoration:underline}
.foot-about p{font-size:15px;color:var(--ink-2);max-width:36ch}
.foot-legal{border-top:1px solid var(--line);padding-top:24px;font-size:13.5px;color:var(--ink-3);line-height:1.7}
.foot-legal p{max-width:none;margin:0 0 6px}

/* ---------- article ---------- */
.article-meta{font-size:14px;color:var(--ink-3);margin-top:14px}
.article-body h2{font-size:clamp(22px,2.7vw,28px)}
.toc{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin:28px 0}
.toc h4{margin:0 0 10px;font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3)}
.toc ol{margin:0;padding-left:1.2em;font-size:15.5px}
.toc li{margin-bottom:6px}

/* ---------- misc ---------- */
.section{padding:8px 0}
.section+.section{border-top:1px solid var(--line);margin-top:56px;padding-top:48px}
.pill{display:inline-block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;
  padding:3px 9px;border-radius:2px;background:var(--steel-soft);color:var(--steel)}
.pill.molten{background:var(--molten-soft);color:var(--molten)}
.center{text-align:center}
@media print{
  .site-head,.site-foot,.btnrow,.ctaband,.photoslot{display:none}
  body{background:#fff;font-size:11pt}
}