/* ==========================================================================
   ST. ANTONY ENTERPRISES — Steel & TMT Bar Trading
   Design tokens
   -------------------------------------------------------------------------
   Charcoal      #1E2124  — structure, nav, footer
   Steel Grey    #545B62  — secondary text, borders, rule lines
   Oxide Red     #A6432D  — accent (rebar oxide-coating colour), CTAs
   Concrete      #EDE7DD  — page background (raw concrete tone)
   Safety Amber  #E8A93B  — small highlight accent, badges
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Source+Sans+3:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --charcoal:#1E2124;
  --charcoal-soft:#2A2E32;
  --steel:#545B62;
  --steel-light:#8A9096;
  --oxide:#A6432D;
  --oxide-dark:#833423;
  --concrete:#EDE7DD;
  --concrete-deep:#E1D9CA;
  --amber:#E8A93B;
  --white:#FFFFFF;

  --font-display:'Oswald', sans-serif;
  --font-body:'Source Sans 3', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--charcoal);
  background:var(--concrete);
  line-height:1.6;
  -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{
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:0.02em;
  margin:0 0 0.5em 0;
  color:var(--charcoal);
  font-weight:600;
}
p{margin:0 0 1em 0;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:3px solid var(--amber);
  outline-offset:2px;
}

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

/* ---------- Rebar rib divider (signature element) ---------- */
.rib-divider{
  height:14px;
  width:100%;
  background-image:repeating-linear-gradient(
    -35deg,
    var(--oxide) 0px,
    var(--oxide) 6px,
    var(--oxide-dark) 6px,
    var(--oxide-dark) 12px
  );
  background-size:24px 24px;
}

/* ---------- Top utility bar ---------- */
.topbar{
  background:var(--charcoal);
  color:var(--concrete-deep);
  font-family:var(--font-mono);
  font-size:0.78rem;
}
.topbar .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:8px;
  padding-bottom:8px;
  flex-wrap:wrap;
  gap:6px;
}
.topbar a{color:var(--amber);}
.topbar span{color:var(--steel-light);}

/* ---------- Header / Nav ---------- */
.site-header{
  background:var(--charcoal-soft);
  border-bottom:4px solid var(--oxide);
  position:sticky;
  top:0;
  z-index:50;
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  padding-bottom:14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand-mark{width:44px;height:44px;flex-shrink:0;}
.brand-text{color:var(--white);}
.brand-text .name{
  font-family:var(--font-display);
  font-size:1.15rem;
  text-transform:uppercase;
  letter-spacing:0.03em;
  line-height:1.1;
}
.brand-text .tag{
  font-family:var(--font-mono);
  font-size:0.68rem;
  color:var(--amber);
  letter-spacing:0.08em;
}
.nav-toggle{
  display:none;
  background:none;
  border:2px solid var(--steel-light);
  color:var(--white);
  padding:8px 10px;
  font-size:1.1rem;
  cursor:pointer;
}
.main-nav ul{
  display:flex;
  gap:28px;
}
.main-nav a{
  color:var(--concrete-deep);
  font-family:var(--font-display);
  font-size:0.85rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:border-color .15s ease, color .15s ease;
}
.main-nav a:hover, .main-nav a.active{
  color:var(--amber);
  border-color:var(--amber);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:0.06em;
  font-size:0.85rem;
  padding:13px 26px;
  border:2px solid var(--oxide);
  background:var(--oxide);
  color:var(--white);
  cursor:pointer;
  transition:background .15s ease, color .15s ease, transform .1s ease;
}
.btn:hover{background:var(--oxide-dark);border-color:var(--oxide-dark);}
.btn:active{transform:translateY(1px);}
.btn-outline{
  background:transparent;
  color:var(--charcoal);
  border-color:var(--charcoal);
}
.btn-outline:hover{background:var(--charcoal);color:var(--white);}
.btn-light{
  background:var(--amber);
  border-color:var(--amber);
  color:var(--charcoal);
}
.btn-light:hover{background:#d29627;border-color:#d29627;}

/* ---------- Hero ---------- */
.hero{
  background:var(--charcoal);
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.hero .container{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:40px;
  align-items:center;
  padding-top:64px;
  padding-bottom:64px;
}
.hero-eyebrow{
  font-family:var(--font-mono);
  color:var(--amber);
  font-size:0.8rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  margin-bottom:14px;
}
.hero h1{
  color:var(--white);
  font-size:clamp(2.1rem, 4.5vw, 3.4rem);
  line-height:1.08;
  margin-bottom:18px;
}
.hero h1 em{
  color:var(--amber);
  font-style:normal;
}
.hero p.lead{
  color:var(--concrete-deep);
  font-size:1.05rem;
  max-width:46ch;
  margin-bottom:28px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero-visual{
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-visual svg{width:100%;height:auto;max-width:360px;}

/* ---------- Stats strip ---------- */
.stats-strip{
  background:var(--concrete-deep);
  border-bottom:1px solid var(--steel-light);
}
.stats-strip .container{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  padding-top:28px;
  padding-bottom:28px;
}
.stat{text-align:center;}
.stat .num{
  font-family:var(--font-display);
  font-size:1.9rem;
  color:var(--oxide);
  display:block;
}
.stat .label{
  font-family:var(--font-mono);
  font-size:0.72rem;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--steel);
}

/* ---------- Sections ---------- */
section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-alt{background:var(--white);}
.section-dark{background:var(--charcoal);color:var(--concrete-deep);}
.section-dark h2, .section-dark h3{color:var(--white);}

.eyebrow{
  font-family:var(--font-mono);
  color:var(--oxide);
  font-size:0.78rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  margin-bottom:10px;
  display:block;
}
.section-dark .eyebrow{color:var(--amber);}

h2.section-title{
  font-size:clamp(1.6rem,3vw,2.3rem);
  max-width:26ch;
}
.section-lead{
  max-width:62ch;
  color:var(--steel);
  font-size:1.02rem;
}
.section-dark .section-lead{color:var(--steel-light);}

/* ---------- Grid cards ---------- */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:36px;
}
.grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:start;
}
.card{
  background:var(--white);
  border:1px solid var(--concrete-deep);
  border-top:4px solid var(--oxide);
  padding:26px 24px;
}
.card h3{font-size:1.1rem;margin-bottom:10px;}
.card p{color:var(--steel);font-size:0.95rem;margin-bottom:0;}
.card .icon{width:38px;height:38px;margin-bottom:16px;color:var(--oxide);}

/* ---------- Spec table (TMT bar sizes) ---------- */
.spec-wrap{
  overflow-x:auto;
  margin-top:32px;
  border:1px solid var(--steel-light);
}
table.spec-table{
  width:100%;
  border-collapse:collapse;
  font-family:var(--font-mono);
  font-size:0.88rem;
  min-width:640px;
}
table.spec-table thead th{
  background:var(--charcoal);
  color:var(--amber);
  text-align:left;
  padding:12px 16px;
  text-transform:uppercase;
  letter-spacing:0.04em;
  font-size:0.75rem;
}
table.spec-table tbody td{
  padding:11px 16px;
  border-bottom:1px solid var(--concrete-deep);
  color:var(--charcoal);
}
table.spec-table tbody tr:nth-child(even){background:var(--concrete);}
table.spec-table tbody tr:hover{background:#F3E7DD;}

/* ---------- Product listing ---------- */
.product-block{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:40px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--concrete-deep);
}
.product-block:last-child{border-bottom:none;}
.product-block .visual{
  background:var(--charcoal);
  aspect-ratio:4/3;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.product-block .visual svg{width:80%;height:auto;}
.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 18px;}
.badge{
  font-family:var(--font-mono);
  font-size:0.72rem;
  background:var(--concrete-deep);
  color:var(--charcoal);
  padding:5px 10px;
  border:1px solid var(--steel-light);
  text-transform:uppercase;
}

/* ---------- Process / why-us list ---------- */
.process-list{counter-reset:step;}
.process-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--concrete-deep);
}
.process-item:last-child{border-bottom:none;}
.process-item .num{
  counter-increment:step;
  font-family:var(--font-display);
  font-size:1.6rem;
  color:var(--oxide);
}
.process-item .num::before{content: counter(step, decimal-leading-zero);}

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
}
.contact-detail{display:flex;gap:14px;margin-bottom:22px;}
.contact-detail .ic{width:26px;height:26px;flex-shrink:0;color:var(--oxide);margin-top:2px;}
.contact-detail h4{margin-bottom:4px;font-size:0.95rem;}
.contact-detail p{margin:0;color:var(--steel);}
.contact-detail a{color:var(--charcoal);}
.map-frame{
  width:100%;
  height:340px;
  border:1px solid var(--steel-light);
  filter:grayscale(15%);
}
.form-field{margin-bottom:16px;}
.form-field label{
  display:block;
  font-family:var(--font-mono);
  font-size:0.75rem;
  text-transform:uppercase;
  letter-spacing:0.04em;
  color:var(--steel);
  margin-bottom:6px;
}
.form-field input, .form-field textarea, .form-field select{
  width:100%;
  padding:11px 12px;
  border:1px solid var(--steel-light);
  background:var(--white);
  font-family:var(--font-body);
  font-size:0.95rem;
  color:var(--charcoal);
}
.form-field textarea{min-height:120px;resize:vertical;}
.form-note{font-size:0.85rem;color:var(--steel);margin-top:10px;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--oxide);
  color:var(--white);
}
.cta-band .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:20px;
  padding-top:40px;
  padding-bottom:40px;
}
.cta-band h3{color:var(--white);margin-bottom:6px;font-size:1.4rem;}
.cta-band p{color:#F3DCD2;margin:0;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--charcoal);
  color:var(--steel-light);
  padding:56px 0 20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid var(--charcoal-soft);
}
.footer-grid h4{
  color:var(--white);
  font-size:0.85rem;
  letter-spacing:0.06em;
  margin-bottom:16px;
}
.footer-grid p{color:var(--steel-light);font-size:0.92rem;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid a{color:var(--steel-light);font-size:0.92rem;}
.footer-grid a:hover{color:var(--amber);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding-top:20px;
  font-family:var(--font-mono);
  font-size:0.75rem;
}
.footer-bottom a{color:var(--steel-light);}
.footer-bottom a:hover{color:var(--amber);}

/* ---------- Page header (inner pages) ---------- */
.page-hero{
  background:var(--charcoal);
  color:var(--white);
  padding:52px 0;
}
.page-hero h1{color:var(--white);font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:8px;}
.breadcrumb{
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--steel-light);
}
.breadcrumb a{color:var(--amber);}

/* ---------- Legal pages ---------- */
.legal-content h2{font-size:1.2rem;margin-top:34px;}
.legal-content p, .legal-content li{color:var(--steel);}
.legal-content ul{margin:0 0 1em 1.3em;list-style:disc;}
.legal-content li{margin-bottom:6px;}
.legal-updated{
  font-family:var(--font-mono);
  font-size:0.8rem;
  color:var(--steel);
  margin-bottom:30px;
}

/* ---------- Utilities ---------- */
.mt-0{margin-top:0;}
.center{text-align:center;}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero .container{grid-template-columns:1fr;padding-top:44px;padding-bottom:44px;}
  .hero-visual{order:-1;max-width:260px;margin:0 auto;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .stats-strip .container{grid-template-columns:repeat(2,1fr);}
  .product-block{grid-template-columns:1fr;}
  .product-block .visual{order:-1;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}

  .main-nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--charcoal-soft);
    border-top:1px solid var(--charcoal);
    border-bottom:4px solid var(--oxide);
  }
  .main-nav.open{display:block;}
  .main-nav ul{flex-direction:column;gap:0;}
  .main-nav a{
    display:block;
    padding:16px 24px;
    border-bottom:1px solid var(--charcoal);
    border-left:3px solid transparent;
  }
  .main-nav a:hover, .main-nav a.active{border-left-color:var(--amber);border-bottom-color:var(--charcoal);}
  .nav-toggle{display:block;}
  .site-header .container{position:relative;flex-wrap:wrap;}
}

@media (max-width:600px){
  .topbar .container{flex-direction:column;align-items:flex-start;gap:4px;}
  .cta-band .container{flex-direction:column;align-items:flex-start;}
}