/* ============================================================
   HUIHUI — Stainless Steel Washers · B2B
   Design system: industrial-minimalist / precision
   Steel neutrals + one blueprint-blue accent + technical mono
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* neutrals (cool) */
  --ink:        #15181c;
  --graphite:   #353b43;
  --steel:      #5c6671;
  --mist:       #8b95a1;
  --line:       #e4e8ec;
  --line-2:     #eef1f4;
  --paper:      #ffffff;
  --paper-2:    #f6f8fa;
  --paper-3:    #eef1f4;
  --ink-section:#0e1115;       /* dark sections */

  /* accent — blueprint blue */
  --accent:     #1f6feb;
  --accent-ink: #0b51c2;
  --accent-soft:#e9f1fe;

  /* material tags */
  --tag-304:    #5c6671;       /* 304 = steel grey */
  --tag-316:    #0d7a8a;       /* 316 = marine teal */
  --tag-316-bg: #e3f4f6;

  /* metallic */
  --steel-grad: linear-gradient(135deg,#c6cfd8 0%,#eef2f5 38%,#aab5bf 70%,#dde3e9 100%);

  /* type */
  --f-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --f-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* spacing / radius / shadow */
  --r-sm: 6px;
  --r:    10px;
  --r-lg: 16px;
  --sh-1: 0 1px 2px rgba(21,24,28,.06), 0 1px 3px rgba(21,24,28,.04);
  --sh-2: 0 4px 12px rgba(21,24,28,.06), 0 2px 6px rgba(21,24,28,.04);
  --sh-3: 0 18px 48px rgba(21,24,28,.12), 0 4px 14px rgba(21,24,28,.06);

  --container: 1200px;
  --nav-h: 64px;
}

/* ---------- reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 28px); }
body {
  font-family: var(--f-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img,svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-ink); }
button { font: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; }

/* ---------- type scale ---------- */
h1,h2,h3,h4 { font-family: var(--f-display); font-weight: 600; line-height: 1.12; letter-spacing: -.02em; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.65rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); letter-spacing: -.015em; }
h4 { font-size: 1.05rem; letter-spacing: -.01em; }
p  { color: var(--graphite); }
.lead { font-size: clamp(1.05rem,1.6vw,1.25rem); color: var(--steel); line-height: 1.6; }

.mono { font-family: var(--f-mono); }
.eyebrow {
  font-family: var(--f-mono);
  font-size: .72rem; font-weight: 500;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: .5rem;
}
.eyebrow::before { content:""; width: 22px; height: 1px; background: var(--accent); display:inline-block; }
.eyebrow.on-dark { color: #7fb0ff; }
.eyebrow.on-dark::before { background:#7fb0ff; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section--tight { padding: clamp(40px,6vw,72px) 0; }
.section--paper2 { background: var(--paper-2); }
.section--paper3 { background: var(--paper-3); }
.section--dark { background: var(--ink-section); color: #d7dde4; }
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4 { color:#fff; }
.section--dark p { color:#9aa6b2; }
.section-head { max-width: 720px; margin-bottom: clamp(32px,4vw,52px); }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head p { margin-top: 14px; }
.center { text-align: center; margin-inline: auto; }

.grid { display: grid; gap: 24px; }
.cols-2 { grid-template-columns: repeat(2,1fr); }
.cols-3 { grid-template-columns: repeat(3,1fr); }
.cols-4 { grid-template-columns: repeat(4,1fr); }
@media (max-width: 920px){ .cols-3,.cols-4 { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 600px){ .cols-2,.cols-3,.cols-4 { grid-template-columns: 1fr;} }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content:center; gap:.55rem;
  font-family: var(--f-display); font-weight: 500; font-size: .95rem;
  padding: .8rem 1.4rem; border-radius: var(--r-sm);
  border: 1px solid transparent; transition: .18s ease;
  letter-spacing: -.01em; white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn-primary { background: var(--accent); color:#fff; box-shadow: var(--sh-1); }
.btn-primary:hover { background: var(--accent-ink); color:#fff; transform: translateY(-1px); box-shadow: var(--sh-2); }
.btn-dark { background: var(--ink); color:#fff; }
.btn-dark:hover { background: #000; color:#fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--steel); color: var(--ink); background: var(--paper-2); }
.btn-ghost.on-dark { color:#fff; border-color: rgba(255,255,255,.22); }
.btn-ghost.on-dark:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.4); }
.btn-lg { padding: .95rem 1.7rem; font-size: 1.02rem; }
.btn-block { width: 100%; }

.link-arrow { font-family: var(--f-display); font-weight:500; display:inline-flex; align-items:center; gap:.4rem; }
.link-arrow svg { width:1em; transition:transform .18s ease; }
.link-arrow:hover svg { transform: translateX(3px); }

/* ---------- tags / chips ---------- */
.tag {
  display: inline-flex; align-items:center; gap:.35rem;
  font-family: var(--f-mono); font-size: .7rem; font-weight: 500;
  letter-spacing: .04em; text-transform: uppercase;
  padding: .28rem .55rem; border-radius: 4px;
  background: var(--paper-3); color: var(--steel);
  border: 1px solid var(--line);
}
.tag-304 { color:#fff; background: var(--tag-304); border-color: transparent; }
.tag-316 { color: var(--tag-316); background: var(--tag-316-bg); border-color: transparent; }
.tag-accent { color: var(--accent); background: var(--accent-soft); border-color: transparent; }

/* ---------- top utility bar ---------- */
.topbar {
  background: var(--ink-section); color:#aab4bf;
  font-family: var(--f-mono); font-size: .74rem; letter-spacing: .02em;
}
.topbar .container { display:flex; align-items:center; justify-content:space-between; height: 36px; }
.topbar .tb-left { display:flex; gap: 1.4rem; }
.topbar .tb-left span { display:inline-flex; align-items:center; gap:.4rem; }
.topbar .tb-left b { color:#fff; font-weight:600; }
.topbar a { color:#aab4bf; }
.topbar a:hover { color:#fff; }
.topbar .tb-right { display:flex; gap:1.2rem; }
@media (max-width: 760px){ .topbar .tb-left span:not(.keep){ display:none; } }

/* ---------- header / nav ---------- */
.site-header { position: sticky; top:0; z-index: 50; background: rgba(255,255,255,.86); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav { display:flex; align-items:center; justify-content:space-between; height: var(--nav-h); }
.brand { display:flex; align-items:center; gap:.6rem; font-family: var(--f-display); font-weight:600; font-size: 1.3rem; letter-spacing:.02em; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand .logo { height: 34px; width: auto; display:block; }
.site-footer .brand .logo { height: 42px; width: auto; background:#fff; padding:6px; border-radius:9px; box-sizing:border-box; }
.brand .brand-sub { font-family: var(--f-mono); font-size:.6rem; letter-spacing:.18em; color: var(--mist); text-transform:uppercase; display:block; margin-top:1px; font-weight:500; }
.brand .brand-tx { display:flex; flex-direction:column; line-height:1; }

.nav-links { display:flex; align-items:center; gap: 2px; }
.nav-links > li > a, .nav-links > li > .navlink {
  font-family: var(--f-display); font-weight:500; font-size:.92rem; color: var(--graphite);
  padding: .5rem .7rem; border-radius: var(--r-sm); display:inline-flex; align-items:center; gap:.3rem;
  transition:.15s; background:none; border:none;
}
.nav-links > li > a:hover, .nav-links > li > .navlink:hover { color: var(--ink); background: var(--paper-2); }
.nav-links > li > a[aria-current="page"] { color: var(--accent); }
.nav-cta { display:flex; align-items:center; gap:.7rem; }

/* dropdown */
.has-drop { position: relative; }
.drop { position:absolute; top:calc(100% + 8px); left:0; min-width: 280px; background: var(--paper); border:1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-3); padding: 8px; opacity:0; visibility:hidden; transform: translateY(6px); transition:.16s; }
.has-drop:hover .drop, .has-drop:focus-within .drop { opacity:1; visibility:visible; transform:none; }
.drop a { display:flex; gap:.7rem; padding:.6rem .7rem; border-radius: var(--r-sm); color: var(--ink); }
.drop a:hover { background: var(--paper-2); }
.drop a .di { font-family:var(--f-display); font-weight:500; font-size:.92rem; }
.drop a small { display:block; color: var(--mist); font-size:.78rem; font-family:var(--f-body); }
.chev { width:.8em; opacity:.6; }

/* mobile */
.nav-toggle { display:none; background:none; border:1px solid var(--line); border-radius: var(--r-sm); width:42px; height:42px; align-items:center; justify-content:center; }
.nav-toggle svg { width:20px; }
@media (max-width: 1000px){
  .nav-links { position: fixed; inset: 0 0 0 auto; width: min(86vw,360px); background: var(--paper); flex-direction:column; align-items:stretch; gap:2px; padding: 90px 20px 30px; box-shadow: var(--sh-3); transform: translateX(100%); transition: transform .25s ease; overflow-y:auto; z-index: 60; }
  .nav-links.open { transform: none; }
  .nav-links > li > a, .nav-links > li > .navlink { width:100%; font-size:1.05rem; padding:.8rem .6rem; }
  .drop { position: static; opacity:1; visibility:visible; transform:none; box-shadow:none; border:none; border-left:2px solid var(--line-2); border-radius:0; margin: 0 0 6px 12px; padding-left:6px; min-width:0; }
  .nav-toggle { display:inline-flex; }
  .nav-backdrop { position:fixed; inset:0; background: rgba(15,17,21,.4); opacity:0; visibility:hidden; transition:.25s; z-index:55; }
  .nav-backdrop.open { opacity:1; visibility:visible; }
  .nav-cta .btn-text-hide { display:none; }
}

/* ---------- hero ---------- */
.hero { position:relative; background: var(--ink-section); color:#fff; overflow:hidden; }
.hero::before { content:""; position:absolute; inset:0; background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px); background-size: 26px 26px; opacity:.5; mask-image: linear-gradient(180deg,#000,transparent 80%); }
.hero .container { position:relative; z-index:1; display:grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items:center; padding-top: clamp(48px,7vw,84px); padding-bottom: clamp(48px,7vw,84px); }
.hero h1 { color:#fff; }
.hero .lead { color:#aeb9c4; margin-top: 20px; max-width: 36ch; }
.hero-cta { display:flex; gap:.8rem; flex-wrap:wrap; margin-top: 32px; }
.hero-stats { display:flex; gap: 28px; margin-top: 40px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.12); flex-wrap:wrap; }
.hero-stat .n { font-family: var(--f-display); font-size: 1.7rem; font-weight:600; color:#fff; letter-spacing:-.02em; }
.hero-stat .l { font-family: var(--f-mono); font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; color:#8b95a1; }
.hero-figure { position:relative; }
.hero-figure .pic { background: radial-gradient(125% 130% at 30% 16%, #ffffff 0%, #eef2f5 50%, #d6dde3 100%); border:1px solid rgba(255,255,255,.55); border-radius: var(--r-lg); padding: 11% 9%; box-shadow: var(--sh-3); position:relative; aspect-ratio: 4 / 3; display:flex; align-items:center; justify-content:center; }
.hero-figure .pic img { width:100%; height:100%; object-fit: contain; mix-blend-mode: multiply; }
.hero-badge { position:absolute; bottom: -14px; left: -14px; background: var(--paper); color: var(--ink); border-radius: var(--r); padding:.7rem 1rem; box-shadow: var(--sh-3); font-family: var(--f-mono); font-size:.78rem; display:flex; align-items:center; gap:.6rem; }
.hero-badge b { font-family: var(--f-display); }
@media (max-width: 920px){ .hero .container { grid-template-columns: 1fr; gap: 36px; } .hero-figure { order:-1; max-width: 460px; } }

/* ---------- product cards ---------- */
.pcard { background: var(--paper); border:1px solid var(--line); border-radius: var(--r); overflow:hidden; display:flex; flex-direction:column; transition:.18s; }
.pcard:hover { box-shadow: var(--sh-2); border-color: var(--line); transform: translateY(-3px); }
.pcard .pic { aspect-ratio: 4/3; background: var(--steel-grad); display:flex; align-items:center; justify-content:center; padding: 8%; position:relative; }
.pcard .pic img { mix-blend-mode: multiply; max-height:100%; object-fit:contain; }
.pcard .pic .tags { position:absolute; top:12px; left:12px; display:flex; gap:.35rem; }
.pcard .body { padding: 20px; display:flex; flex-direction:column; gap:.5rem; flex:1; }
.pcard h3 { font-size: 1.18rem; }
.pcard .std { font-family: var(--f-mono); font-size:.74rem; color: var(--mist); letter-spacing:.02em; }
.pcard p { font-size:.92rem; color: var(--steel); flex:1; }
.pcard .pfoot { margin-top: 6px; }

/* ---------- feature / why cards ---------- */
.fcard { padding: 26px; border:1px solid var(--line); border-radius: var(--r); background: var(--paper); height:100%; }
.fcard .ic { width:44px; height:44px; border-radius: var(--r-sm); background: var(--accent-soft); color: var(--accent); display:flex; align-items:center; justify-content:center; margin-bottom: 16px; }
.fcard .ic svg { width:22px; height:22px; }
.fcard h3 { font-size:1.12rem; margin-bottom:8px; }
.fcard p { font-size:.93rem; }
.fcard.on-dark { background: rgba(255,255,255,.03); border-color: rgba(255,255,255,.09); }
.fcard.on-dark .ic { background: rgba(127,176,255,.14); color:#7fb0ff; }

/* ---------- stat band ---------- */
.statband { display:grid; grid-template-columns: repeat(4,1fr); gap: 0; border:1px solid var(--line); border-radius: var(--r); overflow:hidden; background:var(--paper); }
.statband .s { padding: 28px 24px; border-right:1px solid var(--line); }
.statband .s:last-child { border-right:none; }
.statband .n { font-family: var(--f-display); font-size: clamp(1.7rem,3vw,2.4rem); font-weight:600; letter-spacing:-.03em; color: var(--ink); }
.statband .n .u { color: var(--accent); }
.statband .l { font-size:.86rem; color: var(--steel); margin-top:4px; }
@media (max-width:760px){ .statband { grid-template-columns: repeat(2,1fr);} .statband .s:nth-child(2){border-right:none;} .statband .s:nth-child(1),.statband .s:nth-child(2){border-bottom:1px solid var(--line);} }

/* ---------- spec table ---------- */
.spec-wrap { overflow-x:auto; border:1px solid var(--line); border-radius: var(--r); }
table.spec { width:100%; border-collapse: collapse; font-size:.9rem; min-width: 520px; }
table.spec th, table.spec td { padding: .7rem .9rem; text-align:left; border-bottom:1px solid var(--line-2); }
table.spec thead th { background: var(--paper-2); font-family: var(--f-display); font-weight:600; color: var(--ink); font-size:.82rem; letter-spacing:.01em; white-space:nowrap; border-bottom:1px solid var(--line); }
table.spec tbody tr:hover { background: var(--paper-2); }
table.spec td.num, table.spec th.num { font-family: var(--f-mono); text-align:right; }
table.spec caption { caption-side: bottom; padding:.6rem .9rem; font-size:.78rem; color: var(--mist); text-align:left; font-family: var(--f-mono); }

/* ---------- application tiles ---------- */
.apptile { position:relative; border:1px solid var(--line); border-radius: var(--r); padding: 24px; background: var(--paper); overflow:hidden; transition:.18s; }
.apptile:hover { box-shadow: var(--sh-2); transform: translateY(-2px); }
.apptile .ic { color: var(--accent); margin-bottom: 14px; }
.apptile .ic svg { width:26px; height:26px; }
.apptile h3 { font-size:1.08rem; margin-bottom:6px; }
.apptile p { font-size:.9rem; color: var(--steel); }
.apptile .mat { margin-top:12px; }

/* ---------- breadcrumb ---------- */
.crumb { font-family: var(--f-mono); font-size:.78rem; color: var(--mist); padding: 18px 0 0; display:flex; gap:.5rem; flex-wrap:wrap; }
.crumb a { color: var(--steel); }
.crumb a:hover { color: var(--accent); }
.crumb .sep { opacity:.5; }

/* ---------- page hero (interior) ---------- */
.page-hero { background: var(--paper-2); border-bottom:1px solid var(--line); }
.page-hero .container { padding-top: 28px; padding-bottom: clamp(36px,5vw,60px); }
.page-hero h1 { margin-top: 14px; max-width: 18ch; }
.page-hero .lead { margin-top: 16px; max-width: 60ch; }
.page-hero .tags { display:flex; gap:.5rem; margin-top:18px; flex-wrap:wrap; }

/* ---------- prose ---------- */
.prose { max-width: 760px; }
.prose h2 { margin-top: 2.2em; margin-bottom:.6em; }
.prose h3 { margin-top: 1.6em; margin-bottom:.4em; }
.prose p { margin-bottom: 1em; }
.prose ul.bullets { margin: 0 0 1.2em; display:flex; flex-direction:column; gap:.5rem; }
.prose ul.bullets li { position:relative; padding-left: 1.5rem; color: var(--graphite); }
.prose ul.bullets li::before { content:""; position:absolute; left:0; top:.62em; width:7px; height:7px; background: var(--accent); border-radius:2px; transform: rotate(45deg); }

/* ---------- callout ---------- */
.callout { border:1px solid var(--line); border-left:3px solid var(--accent); background: var(--paper-2); border-radius: var(--r-sm); padding: 18px 20px; }
.callout.warn { border-left-color:#d9822b; }
.callout .ct { font-family: var(--f-display); font-weight:600; margin-bottom:4px; }
.callout p { font-size:.92rem; margin:0; }

/* ---------- FAQ ---------- */
.faq details { border-bottom:1px solid var(--line); padding: 6px 0; }
.faq summary { font-family: var(--f-display); font-weight:500; font-size:1.05rem; padding: 14px 0; cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center; gap:1rem; color: var(--ink); }
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:"+"; font-family: var(--f-mono); color: var(--accent); font-size:1.3rem; transition:.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 16px; color: var(--steel); font-size:.95rem; }

/* ---------- RFQ form ---------- */
.rfq { background: var(--paper); border:1px solid var(--line); border-radius: var(--r-lg); padding: clamp(24px,4vw,40px); box-shadow: var(--sh-2); }
.rfq.on-dark { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.1); box-shadow:none; }
.form-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 600px){ .form-grid { grid-template-columns: 1fr; } }
.field { display:flex; flex-direction:column; gap:.35rem; }
.field label { font-family: var(--f-display); font-weight:500; font-size:.85rem; color: var(--ink); }
.field label .req { color: var(--accent); }
.on-dark .field label { color:#fff; }
.field input, .field select, .field textarea {
  font-family: var(--f-body); font-size:.95rem; color: var(--ink);
  padding: .7rem .8rem; border:1px solid var(--line); border-radius: var(--r-sm);
  background: var(--paper); transition:.15s; width:100%;
}
.on-dark .field input, .on-dark .field select, .on-dark .field textarea { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.16); color:#fff; }
.on-dark .field input::placeholder, .on-dark .field textarea::placeholder { color:#7a8593; }
.field input:focus, .field select:focus, .field textarea:focus { outline:none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size:.8rem; color: var(--mist); margin-top: 4px; }
.form-msg { margin-top: 14px; padding: 12px 14px; border-radius: var(--r-sm); font-size:.9rem; display:none; }
.form-msg.ok { display:block; background:#e7f6ec; color:#1c7a3e; border:1px solid #b6e3c4; }
.form-msg.err { display:block; background:#fdecea; color:#b3261e; border:1px solid #f5c2bd; }

/* placeholder marker (for unconfirmed company facts) */
.ph { border-bottom: 1px dashed var(--accent); cursor: help; }

/* ---------- contact cards ---------- */
.contact-card { display:flex; gap: 14px; padding: 18px; border:1px solid var(--line); border-radius: var(--r); background: var(--paper); align-items:flex-start; }
.contact-card .ic { width:42px;height:42px;border-radius:var(--r-sm);background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0; }
.contact-card .ic svg{width:20px;height:20px;}
.contact-card .ct { font-family:var(--f-display); font-weight:500; font-size:.8rem; color:var(--mist); text-transform:uppercase; letter-spacing:.06em; }
.contact-card .cv { font-size:1rem; color:var(--ink); font-weight:500; word-break:break-word; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--accent); color:#fff; border-radius: var(--r-lg); padding: clamp(32px,5vw,56px); display:flex; align-items:center; justify-content:space-between; gap: 32px; flex-wrap:wrap; }
.cta-band h2 { color:#fff; max-width: 18ch; }
.cta-band p { color: rgba(255,255,255,.85); margin-top:8px; max-width:46ch; }
.cta-band .btn-primary { background:#fff; color: var(--accent); }
.cta-band .btn-primary:hover { background:#f0f4ff; color: var(--accent-ink); }
.cta-band .btn-ghost { color:#fff; border-color: rgba(255,255,255,.45); }
.cta-band .btn-ghost:hover { background: rgba(255,255,255,.12); }

/* ---------- footer ---------- */
.site-footer { background: var(--ink-section); color:#9aa6b2; padding-top: 64px; }
.site-footer a { color:#9aa6b2; }
.site-footer a:hover { color:#fff; }
.foot-grid { display:grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 48px; }
.foot-brand .brand { color:#fff; margin-bottom: 14px; }
.foot-brand .brand .brand-sub { color:#6f7a87; }
.foot-brand p { color:#7a8593; font-size:.9rem; max-width: 34ch; }
.foot-col h4 { color:#fff; font-size:.8rem; letter-spacing:.1em; text-transform:uppercase; font-family: var(--f-mono); font-weight:500; margin-bottom: 16px; }
.foot-col ul { display:flex; flex-direction:column; gap:.6rem; }
.foot-col a { font-size:.92rem; }
.foot-bottom { border-top:1px solid rgba(255,255,255,.1); padding: 22px 0; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:.82rem; color:#6f7a87; font-family: var(--f-mono); }
.foot-bottom .legal { max-width: 70ch; }
@media (max-width: 860px){ .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }

/* ---------- misc ---------- */
.divider { height:1px; background: var(--line); border:none; }
.reveal { opacity:0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal { opacity:1; transform:none; transition:none;} html{scroll-behavior:auto;} }

.sticky-quote { position: fixed; right: 20px; bottom: 20px; z-index: 40; box-shadow: var(--sh-3); }
@media (min-width:1001px){ .sticky-quote{ display:none; } }

.skip { position:absolute; left:-999px; top:0; background:var(--accent); color:#fff; padding:.6rem 1rem; z-index:100; border-radius:0 0 var(--r-sm) 0; }
.skip:focus { left:0; color:#fff; }

/* real photographs (factory/equipment) */
.photo { border-radius: var(--r); overflow:hidden; border:1px solid var(--line); background:var(--paper-3); display:block; }
.photo img { width:100%; height:100%; object-fit:cover; display:block; }
.photo.wide { aspect-ratio: 16/10; }
.photo.tall { aspect-ratio: 3/4; }
.photo.banner { aspect-ratio: 21/9; }
.photo.square { aspect-ratio: 1/1; }
@media (max-width:600px){ .photo.banner { aspect-ratio: 16/10; } }

/* language switcher */
.lang-switch { position:relative; }
.lang-switch .ls-btn { display:inline-flex; align-items:center; gap:.4rem; font-family:var(--f-display); font-weight:500; font-size:.86rem; color:var(--graphite); background:none; border:1px solid var(--line); border-radius:var(--r-sm); padding:.45rem .6rem; cursor:pointer; }
.lang-switch .ls-btn:hover { border-color:var(--steel); color:var(--ink); background:var(--paper-2); }
.lang-switch .ls-btn svg { width:1.05em; height:1.05em; opacity:.7; }
.lang-menu { position:absolute; top:calc(100% + 6px); right:0; background:var(--paper); border:1px solid var(--line); border-radius:var(--r); box-shadow:var(--sh-3); padding:6px; min-width:150px; display:none; z-index:60; }
.lang-menu.open { display:block; }
.lang-menu a { display:block; padding:.5rem .7rem; border-radius:var(--r-sm); color:var(--ink); font-size:.9rem; font-family:var(--f-display); }
.lang-menu a:hover { background:var(--paper-2); }
.lang-menu a[aria-current="true"] { color:var(--accent); font-weight:600; }
@media (max-width:1000px){ .nav-cta .lang-switch { order:-1; } }

/* national-standard badges */
.std-badge { border:1px solid var(--line); border-radius: var(--r); background: var(--paper); padding: 14px 20px; min-width: 112px; transition:.15s; }
.std-badge:hover { border-color: var(--steel); box-shadow: var(--sh-1); transform: translateY(-2px); }
.std-badge .c { font-size: 1.35rem; font-weight: 500; color: var(--ink); letter-spacing:.01em; line-height:1.1; }
.std-badge .l { font-size: .78rem; color: var(--mist); margin-top: 3px; }
.section--dark .std-badge { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.12); }
.section--dark .std-badge:hover { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.3); }
.section--dark .std-badge .c { color: #fff; }
.section--dark .std-badge .l { color: #8b95a1; }