:root {
  /* Signage system: black panels, machine yellow, colour-coded product families, warm grey ground. */
  --ink: #111111;
  --char: #2b2f33;
  --paper: #ecebe7;
  --panel: #dedcd6;
  --white: #ffffff;
  --muted: #5a5d61;
  --rule: #cfcdc7;
  --yellow: #f5c400;
  --yellow-dk: #d9ad00;
  --c-arc: #f5c400;   --c-arc-ink: #111111;
  --c-mig: #0b4ea2;   --c-mig-ink: #ffffff;
  --c-tig: #c8102e;   --c-tig-ink: #ffffff;
  --c-plasma: #e35205; --c-plasma-ink: #ffffff;
  --c-spot: #00704a;  --c-spot-ink: #ffffff;
  --c-torch: #5b3f8c; --c-torch-ink: #ffffff;
  --c-spares: #2b2f33; --c-spares-ink: #ffffff;
  --c-acc: #6d6f72;   --c-acc-ink: #ffffff;
  --font: "Barlow", "DIN Alternate", "Helvetica Neue", Arial, sans-serif;
  --cond: "Barlow Condensed", "Barlow", "Arial Narrow", sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 500 16px/1.5 var(--font); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 3px solid var(--c-mig); outline-offset: 2px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.05; text-wrap: balance; }
.label { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

.sign { background: var(--ink); color: var(--white); border-radius: 6px; box-shadow: 0 2px 0 0 rgba(0,0,0,0.25); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 11px 18px; font: 700 16px/1 var(--font); border: 2px solid var(--ink); background: var(--ink); color: var(--white); border-radius: 4px; cursor: pointer; white-space: nowrap; letter-spacing: 0.01em; }
.btn:hover { background: #2a2a2a; }
.btn.call { background: var(--yellow); border-color: var(--yellow); color: var(--ink); box-shadow: 0 2px 0 0 rgba(0,0,0,0.3); }
.btn.call:hover { background: var(--yellow-dk); border-color: var(--yellow-dk); }
.btn.outline { background: transparent; color: var(--ink); }
.btn.outline:hover { background: var(--white); }
.btn.light { background: transparent; color: var(--white); border-color: var(--white); }
.btn.light:hover { background: #2a2a2a; }
.btn.big { padding: 15px 22px; font-size: 19px; }
.ico { width: 18px; height: 18px; flex: none; }
.btn.big .ico { width: 22px; height: 22px; }

/* Header */
.top { background: var(--ink); color: var(--white); position: sticky; top: 0; z-index: 20; border-bottom: 4px solid var(--yellow); }
.top .wrap { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 40px; height: 40px; background: var(--yellow); color: var(--ink); display: grid; place-items: center; font: 700 22px/1 var(--cond); border-radius: 3px; flex: none; }
.brand-name { font: 700 22px/1 var(--cond); letter-spacing: 0.02em; text-transform: uppercase; }
.brand-name small { display: block; font: 600 11px/1.2 var(--font); letter-spacing: 0.1em; color: #b9b9b9; margin-top: 3px; }
.nav { display: flex; gap: 2px; }
.nav a { padding: 8px 12px; font-weight: 600; font-size: 15px; border-radius: 3px; }
.nav a:hover, .nav a.on { background: var(--white); color: var(--ink); }
.top .btn.call { padding: 10px 14px; }

/* Footer */
footer { background: var(--ink); color: #cfcfcf; margin-top: 48px; border-top: 4px solid var(--yellow); }
footer .wrap { padding-top: 28px; padding-bottom: 96px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; font-size: 15px; }
footer h3 { color: var(--white); font-size: 18px; margin-bottom: 8px; }
footer p { margin: 0; }
footer a { text-decoration: underline; text-underline-offset: 3px; }

/* Mobile call bar */
.callbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; padding: 10px 12px; background: var(--ink); display: none; border-top: 4px solid var(--yellow); }
.callbar .btn { width: 100%; }

@media (max-width: 860px) {
  .nav { display: none; }
  footer .wrap { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .callbar { display: block; }
  .top .btn.call span.num { display: none; }
  .brand-name { font-size: 18px; }
}


/* Keep product photos correctly sized in narrow mobile grid columns. */
@media (max-width: 640px) {
  .hero-photos a, .fam, .card, .fam .ph, .card .ph { min-width: 0; }
  .hero-photos img, .fam .ph img, .card .ph img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
  }
  .dlg-main img { max-width: 100%; max-height: 100%; object-fit: contain; }
}