/* ============================================================
   BRUCE LUCY — design tokens
   Monochrome, spec-sheet aesthetic. No colour bar, no gradients.
   ============================================================ */
:root{
  --paper: #FAFAF8;
  --paper-raised: #FFFFFF;
  --ink: #111111;
  --slate: #555555;
  --mist: #888888;
  --line: #ECECEC;
  --line-strong: #D8D8D4;

  --display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --gutter: clamp(20px, 5vw, 64px);
  --maxw: 1180px;
}

*{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; }
h1,h2,h3,h4{
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.08;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
p{ margin: 0 0 1em; color: var(--slate); }
.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- eyebrow / slash labels (existing brand convention) ---------- */
.eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--mist);
  display: flex;
  align-items: center;
  gap: .5em;
  margin-bottom: .75em;
}
.eyebrow::before{ content: "/"; color: var(--line-strong); font-weight: 700; }

/* ---------- specification ticker (signature element) ---------- */
.spec-ticker{
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  overflow: hidden;
  position: relative;
}
.spec-ticker .track{
  display: flex;
  gap: 0;
  width: max-content;
  animation: ticker 38s linear infinite;
}
.spec-ticker .item{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mist);
  white-space: nowrap;
  padding: 12px 28px;
  border-right: 1px solid var(--line);
}
.spec-ticker .item b{ color: var(--ink); font-weight: 600; }
@keyframes ticker{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .spec-ticker .track{ animation: none; overflow-x: auto; }
}

/* ---------- header ---------- */
header.site{
  position: sticky; top: 0; z-index: 40;
  background: rgba(250,250,248,.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}
header.site .bar{
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gutter);
  max-width: var(--maxw); margin: 0 auto;
}
.wordmark{
  font-family: var(--display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -.02em;
  text-decoration: none;
  color: var(--ink);
}
.wordmark span{ color: var(--mist); font-weight: 400; }
nav.primary{ display: flex; align-items: center; gap: 32px; }
nav.primary a{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--slate);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
nav.primary a:hover, nav.primary a[aria-current="page"]{ color: var(--ink); border-color: var(--ink); }
.btn{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  background: var(--ink); color: var(--paper);
  border: 1px solid var(--ink);
  cursor: pointer;
}
.btn:hover{ background: var(--paper); color: var(--ink); }
.btn.ghost{ background: transparent; color: var(--ink); }
.btn.ghost:hover{ background: var(--ink); color: var(--paper); }
.btn.small{ padding: 9px 14px; font-size: 11px; }
.nav-toggle{ display: none; }

/* ---------- hero ---------- */
.hero{ padding: clamp(48px,9vw,110px) 0 clamp(32px,6vw,64px); }
.hero .kicker{ font-family: var(--mono); font-size: 13px; color: var(--mist); letter-spacing: .08em; text-transform: uppercase; }
.hero h1{
  font-size: clamp(40px, 6.2vw, 84px);
  max-width: 16ch;
  margin-top: .3em;
}
.hero .lede{ max-width: 46ch; font-size: 18px; margin-top: 18px; }
.hero .actions{ display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

/* ---------- sectors ---------- */
.sectors{ padding: clamp(40px,7vw,80px) 0; border-top: 1px solid var(--line); }
.grid-3{ display: grid; grid-template-columns: repeat(3,1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-top: 28px; }
.sector-card{ padding: 32px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sector-card .num{ font-family: var(--mono); font-size: 12px; color: var(--mist); }
.sector-card h3{ font-size: 22px; margin-top: 10px; }

/* ---------- value strip ---------- */
.values{ display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.value{ padding: 26px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value h4{ font-size: 15px; margin-bottom: 6px; }
.value p{ font-size: 14px; margin: 0; }

/* ---------- image frame (placeholder-friendly) ---------- */
.frame{
  background: var(--paper-raised);
  border: 1px solid var(--line);
  aspect-ratio: 4/3;
  display: flex; align-items: flex-end;
  padding: 12px;
  position: relative;
  overflow: hidden;
}
.frame img{ position:absolute; inset:0; width:100%; height:100%; object-fit: cover; }
.frame .tag{
  font-family: var(--mono); font-size: 10px; letter-spacing: .05em; text-transform: uppercase;
  color: var(--mist); background: var(--paper); border: 1px solid var(--line); padding: 4px 8px; z-index: 1;
}
.frame.empty{ background:
  repeating-linear-gradient(135deg, var(--line) 0 1px, transparent 1px 12px);
}

/* ---------- catalogue ---------- */
.cat-header{ padding: 48px 0 24px; border-bottom: 1px solid var(--line); }
.filters{ display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.filters button{
  font-family: var(--mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase;
  background: transparent; border: 1px solid var(--line-strong); color: var(--slate);
  padding: 8px 14px; cursor: pointer;
}
.filters button.active{ background: var(--ink); border-color: var(--ink); color: var(--paper); }

.cat-grid{ display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 28px 0 80px; }
.product-card{ background: var(--paper); padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.product-card .ref{ font-family: var(--mono); font-size: 11px; color: var(--mist); display:flex; justify-content: space-between; }
.product-card h3{ font-size: 18px; }
.spec-lines{ font-size: 13px; color: var(--slate); display: grid; gap: 4px; }
.spec-lines div{ display: flex; justify-content: space-between; border-bottom: 1px dotted var(--line-strong); padding-bottom: 3px; }
.spec-lines div span:first-child{ color: var(--mist); font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.product-card .row{ display: flex; gap: 10px; margin-top: auto; }

/* ---------- brief / enquiry form ---------- */
.brief{ padding: clamp(48px,8vw,96px) 0; border-top: 1px solid var(--line); background: var(--paper-raised); }
.brief-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
form.enquiry{ display: grid; gap: 16px; }
.field{ display: grid; gap: 6px; }
.field label{ font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--mist); }
.field input, .field select, .field textarea{
  font-family: var(--body); font-size: 15px; padding: 12px 14px;
  border: 1px solid var(--line-strong); background: var(--paper);
  color: var(--ink);
}
.field textarea{ min-height: 120px; resize: vertical; }
.row-2{ display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note{ font-size: 13px; color: var(--mist); margin-top: 4px; }
.form-status{ font-size: 14px; margin-top: 10px; display: none; }
.form-status.show{ display: block; }

/* ---------- about ---------- */
.about-body{ max-width: 68ch; padding: 40px 0 80px; }
.about-body p{ color: var(--ink); font-size: 17px; }

/* ---------- footer ---------- */
footer.site{ border-top: 1px solid var(--line); padding: 56px 0 40px; margin-top: 40px; }
.footer-grid{ display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer-grid h5{ font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--mist); margin: 0 0 14px; }
.footer-grid a{ display:block; text-decoration: none; color: var(--slate); font-size: 14px; margin-bottom: 8px; }
.footer-grid a:hover{ color: var(--ink); }
.legal{ margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 12px; color: var(--mist); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .grid-3, .values{ grid-template-columns: repeat(2,1fr); }
  .cat-grid{ grid-template-columns: repeat(2,1fr); }
  .brief-grid{ grid-template-columns: 1fr; gap: 32px; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px){
  nav.primary{ display: none; }
  .grid-3, .values, .cat-grid{ grid-template-columns: 1fr; }
  .row-2{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
}