/* ============================================================
   CLEVR CABLES — Design Tokens
   Palette grounded in the product itself: bright copper strand,
   warm brass hardware, cold steel enclosures, dark industrial base.
   ============================================================ */
:root{
  --ink:        #15120D;   /* near-black, warm charcoal */
  --ink-soft:   #2A241B;
  --paper:      #F4EEE2;   /* warm cream — matches spec-sheet backgrounds */
  --paper-dim:  #E7DECC;
  --copper:     #C1622B;
  --copper-lt:  #E8A054;
  --copper-dk:  #8A4420;
  --brass:      #A9863C;
  --steel:      #7C8288;
  --steel-dk:   #4A4E52;
  --line:       rgba(21,18,13,0.14);
  --line-dark:  rgba(244,238,226,0.16);
  --ok:         #4C7A4C;

  --f-display:  'Big Shoulders Display', 'Arial Narrow', sans-serif;
  --f-body:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --f-mono:     'IBM Plex Mono', 'Courier New', monospace;

  --container: 1240px;
  --radius: 3px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-family:var(--f-display); font-weight:700; letter-spacing:0.01em; text-transform:uppercase; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

.container{ width:100%; max-width:var(--container); margin:0 auto; padding:0 28px; }

:focus-visible{ outline:2px solid var(--copper); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

/* ---------- Eyebrow / mono labels ---------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--copper);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:22px;
  height:1px;
  background:var(--copper);
  display:inline-block;
}
.eyebrow.on-dark{ color:var(--copper-lt); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  font-family:var(--f-mono);
  font-size:13px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  border:1px solid transparent;
  border-radius:var(--radius);
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-copper{ background:var(--copper); color:#fff; }
.btn-copper:hover{ background:var(--copper-dk); }
.btn-outline-dark{ border-color:var(--ink); color:var(--ink); }
.btn-outline-dark:hover{ background:var(--ink); color:var(--paper); }
.btn-outline-light{ border-color:rgba(244,238,226,0.5); color:var(--paper); }
.btn-outline-light:hover{ background:var(--paper); color:var(--ink); }
.btn-block{ width:100%; justify-content:center; }

/* ============================================================
   HEADER
   ============================================================ */
#site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(244,238,226,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px;
  max-width:var(--container); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height:40px; width:auto; }
.brand-tag{
  font-family:var(--f-mono); font-size:10px; letter-spacing:0.14em;
  color:var(--steel-dk); text-transform:uppercase; margin-top:2px;
}
.nav-links{ display:flex; align-items:center; gap:2px; }
.nav-links a{
  padding:10px 16px; font-family:var(--f-mono); font-size:12.5px;
  letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-soft);
  border-bottom:2px solid transparent; transition:color .15s ease, border-color .15s ease;
}
.nav-links a:hover, .nav-links a.active{ color:var(--copper); border-color:var(--copper); }
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-phone{ display:flex; flex-direction:column; align-items:flex-end; font-family:var(--f-mono); font-size:11px; color:var(--steel-dk); line-height:1.4; }
.nav-phone b{ color:var(--ink); font-size:12.5px; }
.menu-toggle{ display:none; background:none; border:1px solid var(--ink); padding:8px 10px; border-radius:var(--radius); }
.menu-toggle span{ display:block; width:18px; height:2px; background:var(--ink); margin:3px 0; }

@media (max-width: 980px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0; background:var(--paper);
    flex-direction:column; align-items:stretch; border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden; transition:max-height .25s ease;
  }
  .nav-links.open{ max-height:520px; }
  .nav-links a{ padding:14px 28px; border-bottom:1px solid var(--line); }
  .menu-toggle{ display:block; }
  .nav-phone{ display:none; }
}

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer{ background:var(--ink); color:var(--paper); }
.footer-top{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px;
  padding:64px 28px 40px; max-width:var(--container); margin:0 auto;
}
.footer-brand img{ height:76px; width:auto; margin-bottom:14px; }
.footer-brand p{ color:rgba(244,238,226,0.65); font-size:14px; max-width:320px; line-height:1.7; }
.footer-col h4{ font-size:12px; letter-spacing:0.14em; color:var(--copper-lt); margin-bottom:16px; font-family:var(--f-mono); text-transform:uppercase; font-weight:600; }
.footer-col a, .footer-col li{ display:block; color:rgba(244,238,226,0.75); font-size:14px; padding:6px 0; }
.footer-col a:hover{ color:var(--copper-lt); }
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 28px; max-width:var(--container); margin:0 auto;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  font-family:var(--f-mono); font-size:11.5px; color:rgba(244,238,226,0.5); letter-spacing:0.04em;
}
@media (max-width:820px){ .footer-top{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-top{ grid-template-columns:1fr; } }

/* ============================================================
   HERO (shared trace-line signature motif)
   ============================================================ */
.trace-divider{ position:relative; height:56px; overflow:hidden; }
.trace-divider svg{ position:absolute; top:0; left:0; width:100%; height:100%; }

.hero{
  position:relative; background:var(--ink); color:var(--paper); overflow:hidden;
  padding:120px 0 90px;
}
.hero::before{
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(ellipse 700px 500px at 82% 20%, rgba(193,98,43,0.28), transparent 60%),
    radial-gradient(ellipse 500px 500px at 10% 90%, rgba(169,134,60,0.15), transparent 60%);
  pointer-events:none;
}
.hero-grid{ position:relative; display:grid; grid-template-columns:1.05fr 0.95fr; gap:60px; align-items:center; }
.hero-copy h1{
  font-size:clamp(42px, 6.2vw, 78px); line-height:0.96; margin:18px 0 22px;
  background:linear-gradient(100deg, var(--paper) 40%, var(--copper-lt) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-copy p{ font-size:17px; color:rgba(244,238,226,0.78); max-width:480px; margin-bottom:34px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:0; margin-top:56px; border-top:1px solid var(--line-dark); padding-top:24px; flex-wrap:wrap; }
.hero-stat{ flex:1; min-width:120px; padding-right:20px; }
.hero-stat b{ font-family:var(--f-display); font-size:30px; display:block; color:var(--copper-lt); }
.hero-stat span{ font-family:var(--f-mono); font-size:11px; letter-spacing:0.06em; color:rgba(244,238,226,0.6); text-transform:uppercase; }

.hero-visual{ position:relative; }
.hero-visual .coil-frame{
  position:relative; border:1px solid var(--line-dark); border-radius:6px; overflow:hidden;
  box-shadow:0 30px 80px -20px rgba(0,0,0,0.6);
}
.hero-visual img{ width:100%; height:420px; object-fit:cover; }
.hero-visual .coil-tag{
  position:absolute; bottom:0; left:0; right:0; padding:16px 20px;
  background:linear-gradient(0deg, rgba(21,18,13,0.92), transparent);
  font-family:var(--f-mono); font-size:11px; letter-spacing:0.08em; color:var(--copper-lt); text-transform:uppercase;
}
@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero{ padding:90px 0 60px; text-align:left; }
}

/* ============================================================
   SECTION scaffolding
   ============================================================ */
.section{ padding:88px 0; }
.section-tight{ padding:56px 0; }
.section-dark{ background:var(--ink); color:var(--paper); }
.section-dim{ background:var(--paper-dim); }
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head h2{ font-size:clamp(30px,4vw,44px); margin-top:14px; line-height:1.02; }
.section-head p{ margin-top:16px; color:var(--steel-dk); font-size:15.5px; }
.section-dark .section-head p{ color:rgba(244,238,226,0.7); }
.section-head-row{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; flex-wrap:wrap; }

/* ============================================================
   CATEGORY GRID (home page column of categories)
   ============================================================ */
.cat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.cat-card{
  background:var(--paper); padding:0; position:relative; display:block;
  transition:background .2s ease;
  min-height:230px;
}
.cat-card:hover{ background:#fff; }
.cat-card .cat-img{ height:130px; overflow:hidden; background:#EFE7D8; }
.cat-card .cat-img img{ width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.cat-card:hover .cat-img img{ transform:scale(1.08); }
.cat-card .cat-body{ padding:16px 18px 20px; }
.cat-card .cat-num{ font-family:var(--f-mono); font-size:10.5px; color:var(--copper); letter-spacing:0.08em; }
.cat-card h3{ font-size:17px; margin-top:8px; letter-spacing:0.01em; line-height:1.15; }
.cat-card .cat-arrow{ position:absolute; top:14px; right:14px; width:26px; height:26px; border-radius:50%; background:var(--ink); color:var(--paper); display:flex; align-items:center; justify-content:center; font-size:14px; opacity:0; transform:translate(-4px,4px); transition:all .2s ease; }
.cat-card:hover .cat-arrow{ opacity:1; transform:translate(0,0); }

@media (max-width:980px){ .cat-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .cat-grid{ grid-template-columns:1fr; } }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.product-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.product-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; transition:box-shadow .2s ease, transform .2s ease;
}
.product-card:hover{ box-shadow:0 20px 40px -20px rgba(21,18,13,0.25); transform:translateY(-4px); }
.product-card .p-img{ height:210px; background:#EFE7D8; overflow:hidden; position:relative; }
.product-card .p-img img{ width:100%; height:100%; object-fit:cover; }
.product-card .p-tag{
  position:absolute; top:12px; left:12px; background:var(--ink); color:var(--copper-lt);
  font-family:var(--f-mono); font-size:10px; letter-spacing:0.08em; padding:4px 9px; border-radius:2px; text-transform:uppercase;
}
.product-card .p-body{ padding:20px 20px 22px; }
.product-card h3{ font-size:19px; margin-bottom:8px; }
.product-card .p-desc{ font-size:13.5px; color:var(--steel-dk); line-height:1.6; margin-bottom:14px; }
.p-sizes{ display:flex; flex-wrap:wrap; gap:6px; margin-bottom:14px; }
.p-sizes span{ font-family:var(--f-mono); font-size:11px; padding:4px 8px; border:1px solid var(--line); border-radius:2px; color:var(--steel-dk); }
.p-codes{ font-family:var(--f-mono); font-size:11px; color:var(--brass); }

@media (max-width:980px){ .product-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:620px){ .product-grid{ grid-template-columns:1fr; } }

/* Category chip nav on products page */
.chip-nav{ display:flex; flex-wrap:wrap; gap:10px; position:sticky; top:70px; z-index:40; background:var(--paper); padding:16px 0; border-bottom:1px solid var(--line); }
.chip-nav a{
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.04em; text-transform:uppercase;
  padding:9px 16px; border:1px solid var(--line); border-radius:20px; color:var(--ink-soft); transition:all .15s ease;
}
.chip-nav a:hover, .chip-nav a.active{ background:var(--ink); color:var(--paper); border-color:var(--ink); }

.cat-section{ padding:64px 0; border-bottom:1px solid var(--line); scroll-margin-top:140px; }
.cat-section-head{ display:flex; align-items:baseline; gap:16px; margin-bottom:34px; flex-wrap:wrap; }
.cat-section-head h2{ font-size:clamp(26px,3.4vw,36px); }
.cat-section-head .cat-badge{ font-family:var(--f-mono); font-size:11px; color:#fff; background:var(--copper); padding:5px 10px; border-radius:2px; letter-spacing:0.06em; }
.cat-section-desc{ max-width:720px; color:var(--steel-dk); font-size:14.5px; margin-top:6px; line-height:1.65; }

/* Spec strip / gauge chips (grounded in real item-code tables) */
.gauge-strip{ margin-top:26px; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.gauge-strip table{ width:100%; border-collapse:collapse; font-family:var(--f-mono); font-size:12.5px; }
.gauge-strip th{ text-align:left; background:var(--ink); color:var(--copper-lt); padding:10px 14px; font-weight:500; letter-spacing:0.05em; text-transform:uppercase; font-size:10.5px; }
.gauge-strip td{ padding:9px 14px; border-top:1px solid var(--line); color:var(--ink-soft); }
.gauge-strip tr:nth-child(even) td{ background:rgba(21,18,13,0.02); }

/* ============================================================
   ICON / FEATURE STRIP
   ============================================================ */
.feature-strip{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.feature-item{ background:var(--paper); padding:30px 26px; }
.feature-item .f-icon{ width:38px; height:38px; margin-bottom:16px; color:var(--copper); }
.feature-item h4{ font-size:15px; margin-bottom:8px; letter-spacing:0.01em; }
.feature-item p{ font-size:13.5px; color:var(--steel-dk); line-height:1.6; }
@media (max-width:900px){ .feature-strip{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .feature-strip{ grid-template-columns:1fr; } }

/* ============================================================
   CERT BADGES
   ============================================================ */
.cert-row{ display:flex; gap:60px; flex-wrap:wrap; align-items:center; }
.cert-badge{ display:flex; align-items:center; gap:16px; }
.cert-ring{
  width:76px; height:76px; border-radius:50%; border:2px solid var(--copper);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
  font-family:var(--f-mono); font-size:12px; font-weight:700; color:var(--copper-lt); text-align:center; line-height:1.2;
  box-shadow:inset 0 0 0 4px rgba(193,98,43,0.08);
}
.cert-badge h4{ font-size:15px; margin-bottom:4px; }
.cert-badge p{ font-size:13px; color:rgba(244,238,226,0.65); max-width:260px; }

/* ============================================================
   INDUSTRIES
   ============================================================ */
.industry-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.industry-card{ border:1px solid var(--line); border-radius:var(--radius); padding:28px 24px; background:#fff; transition:border-color .2s ease, transform .2s ease; }
.industry-card:hover{ border-color:var(--copper); transform:translateY(-3px); }
.industry-card .ind-num{ font-family:var(--f-mono); font-size:11px; color:var(--copper); }
.industry-card h3{ font-size:18px; margin:12px 0 10px; }
.industry-card p{ font-size:13.5px; color:var(--steel-dk); line-height:1.6; }
@media (max-width:900px){ .industry-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .industry-grid{ grid-template-columns:1fr; } }

/* ============================================================
   ABOUT PAGE — sticky side nav + sections
   ============================================================ */
.about-layout{ display:grid; grid-template-columns:220px 1fr; gap:60px; align-items:start; }
.about-nav{ position:sticky; top:100px; display:flex; flex-direction:column; gap:2px; }
.about-nav a{
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.05em; text-transform:uppercase;
  padding:10px 0 10px 16px; color:var(--steel-dk); border-left:2px solid var(--line); transition:all .15s ease;
}
.about-nav a:hover, .about-nav a.active{ color:var(--copper); border-color:var(--copper); }
.about-block{ padding-bottom:80px; border-bottom:1px solid var(--line); margin-bottom:80px; scroll-margin-top:110px; }
.about-block:last-child{ border-bottom:none; margin-bottom:0; }
.about-block h2{ font-size:clamp(28px,3.6vw,40px); margin:14px 0 20px; }
.about-block p{ font-size:15.5px; color:var(--steel-dk); line-height:1.75; max-width:760px; margin-bottom:16px; }
.about-block .stat-line{ display:flex; gap:44px; margin-top:34px; flex-wrap:wrap; }
.about-block .stat-line b{ font-family:var(--f-display); font-size:32px; display:block; color:var(--copper); }
.about-block .stat-line span{ font-family:var(--f-mono); font-size:11px; color:var(--steel-dk); letter-spacing:0.04em; text-transform:uppercase; }

.infra-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:28px; }
.infra-item{ border:1px solid var(--line); padding:20px 22px; border-radius:var(--radius); }
.infra-item .infra-k{ font-family:var(--f-mono); font-size:11px; color:var(--copper); letter-spacing:0.06em; text-transform:uppercase; }
.infra-item p{ margin-top:8px; margin-bottom:0; font-size:14px; }

@media (max-width:900px){ .infra-grid{ grid-template-columns:1fr; } }
@media (max-width:820px){ .about-layout{ grid-template-columns:1fr; } .about-nav{ position:static; flex-direction:row; overflow-x:auto; border-bottom:1px solid var(--line); padding-bottom:6px; } .about-nav a{ border-left:none; border-bottom:2px solid var(--line); padding:8px 14px; white-space:nowrap; } }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-layout{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start; }
.contact-form{ display:flex; flex-direction:column; gap:18px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field label{ display:block; font-family:var(--f-mono); font-size:11px; letter-spacing:0.06em; text-transform:uppercase; color:var(--steel-dk); margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%; padding:13px 14px; border:1px solid var(--line); border-radius:var(--radius);
  background:#fff; font-family:var(--f-body); font-size:14.5px; color:var(--ink); transition:border-color .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--copper); }
.field textarea{ resize:vertical; min-height:110px; }
.chip-select{ display:flex; flex-wrap:wrap; gap:8px; }
.chip-select label{ font-family:var(--f-mono); font-size:12px; padding:9px 14px; border:1px solid var(--line); border-radius:20px; cursor:pointer; color:var(--steel-dk); }
.chip-select input{ display:none; }
.chip-select input:checked + span{ color:#fff; }
.chip-select input:checked ~ label, .chip-opt:has(input:checked){ background:var(--ink); color:#fff; border-color:var(--ink); }

.contact-info-card{ background:var(--ink); color:var(--paper); border-radius:6px; padding:40px 36px; }
.contact-info-card h3{ font-size:22px; margin-bottom:6px; }
.contact-info-card > p{ color:rgba(244,238,226,0.65); font-size:14px; margin-bottom:30px; }
.info-row{ display:flex; gap:16px; padding:16px 0; border-top:1px solid var(--line-dark); }
.info-row:first-of-type{ border-top:1px solid var(--line-dark); }
.info-row .ir-k{ font-family:var(--f-mono); font-size:11px; color:var(--copper-lt); text-transform:uppercase; letter-spacing:0.06em; width:110px; flex-shrink:0; }
.info-row .ir-v{ font-size:14.5px; color:rgba(244,238,226,0.9); }
.social-row{ display:flex; gap:12px; margin-top:28px; }
.social-row a{ width:42px; height:42px; border:1px solid var(--line-dark); border-radius:50%; display:flex; align-items:center; justify-content:center; transition:all .15s ease; }
.social-row a:hover{ background:var(--copper); border-color:var(--copper); }
@media (max-width:900px){ .contact-layout{ grid-template-columns:1fr; } .form-row{ grid-template-columns:1fr; } }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner{
  position:relative; background:var(--ink); color:var(--paper); padding:80px 0; text-align:center; overflow:hidden;
}
.cta-banner::before{
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse 600px 300px at 50% 0%, rgba(193,98,43,0.3), transparent 70%);
}
.cta-banner h2{ position:relative; font-size:clamp(34px,5vw,58px); margin-bottom:20px; }
.cta-banner p{ position:relative; color:rgba(244,238,226,0.72); max-width:520px; margin:0 auto 34px; font-size:15.5px; }
.cta-banner .hero-ctas{ position:relative; justify-content:center; }

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* Breadcrumb / page header (inner pages) */
.page-head{ background:var(--ink); color:var(--paper); padding:64px 0 48px; position:relative; overflow:hidden; }
.page-head::before{ content:''; position:absolute; inset:0; background:radial-gradient(ellipse 500px 300px at 90% 0%, rgba(193,98,43,0.22), transparent 70%); }
.page-head .eyebrow{ position:relative; margin-bottom:14px; }
.page-head h1{ position:relative; font-size:clamp(36px,5.4vw,56px); }
.page-head p{ position:relative; color:rgba(244,238,226,0.7); margin-top:14px; max-width:560px; font-size:15px; }

/* back to top */
.to-top{ position:fixed; bottom:26px; right:26px; width:46px; height:46px; border-radius:50%; background:var(--ink); color:var(--copper-lt); display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transition:opacity .2s ease, transform .2s ease; z-index:90; border:1px solid var(--line-dark); }
.to-top.show{ opacity:1; pointer-events:auto; }
.to-top:hover{ transform:translateY(-3px); }