/* ===================================================================
   FABSTEEL — Design System
   Palette:  charcoal #1B1C1E · steel #33383D · steel-light #565D64
             paper #E7E7E2 · hazard yellow #F5B700 · weld rust #B23A1A
   Type:     Oswald (display/stamped) · Work Sans (body) · Roboto Mono (data)
   Signature: stamped "spec-plate" cards with rivet corners + hazard
              stripe dividers (nod to warning tape on a fab-shop floor)
   =================================================================== */

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

:root{
  --charcoal:#1B1C1E;
  --steel:#33383D;
  --steel-light:#565D64;
  --paper:#E7E7E2;
  --paper-dim:#D8D7D0;
  --hazard:#F5B700;
  --weld:#B23A1A;
  --ink:#1B1C1E;
  --off:#F4F3EF;
  --line: rgba(27,28,30,0.14);
  --line-dark: rgba(244,243,239,0.14);
  --radius: 3px;
  --maxw: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Work Sans',sans-serif;
  font-size:16px;
  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:'Oswald',sans-serif;
  text-transform:uppercase;
  letter-spacing:0.02em;
  margin:0 0 0.5em;
  line-height:1.12;
  font-weight:600;
}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.mono{font-family:'Roboto Mono',monospace;}

/* ---------- utility ---------- */
.eyebrow{
  font-family:'Roboto Mono',monospace;
  font-size:12.5px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--weld);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;background:var(--weld);display:inline-block;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:'Roboto Mono',monospace;
  font-size:13.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  padding:14px 26px;
  border:2px solid var(--charcoal);
  border-radius:var(--radius);
  background:var(--charcoal);
  color:var(--off);
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, color .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn.alt{
  background:var(--hazard);
  border-color:var(--hazard);
  color:var(--charcoal);
}
.btn.ghost{
  background:transparent;
  color:var(--charcoal);
}
.btn.ghost.on-dark{
  color:var(--off);
  border-color:var(--line-dark);
}

/* hazard stripe divider — signature element, used sparingly */
.hazard-stripe{
  height:10px;
  width:100%;
  background:repeating-linear-gradient(
    -45deg,
    var(--hazard) 0 18px,
    var(--charcoal) 18px 36px
  );
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--charcoal);
  border-bottom:1px solid var(--line-dark);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:78px;
}
.logo{
  font-family:'Oswald',sans-serif;
  font-size:24px;
  font-weight:700;
  letter-spacing:0.03em;
  color:var(--off);
  display:flex;
  align-items:baseline;
  gap:6px;
}
.logo span{color:var(--hazard);}
.logo small{
  font-family:'Roboto Mono',monospace;
  font-size:10px;
  color:var(--steel-light);
  letter-spacing:0.14em;
  margin-left:6px;
  text-transform:uppercase;
}
.nav{display:flex;align-items:center;gap:34px;}
.nav a{
  font-family:'Roboto Mono',monospace;
  font-size:13px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--off);
  opacity:0.78;
  padding:6px 0;
  border-bottom:2px solid transparent;
  transition:opacity .15s ease, border-color .15s ease;
}
.nav a:hover, .nav a.active{opacity:1;border-color:var(--hazard);}
.nav-cta{
  font-family:'Roboto Mono',monospace;
  font-size:12.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  background:var(--hazard);
  color:var(--charcoal);
  padding:10px 18px;
  border-radius:var(--radius);
}
.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;border:none;cursor:pointer;padding:8px;
}
.menu-toggle span{width:24px;height:2px;background:var(--off);display:block;}

/* ---------- hero ---------- */
.hero{
  background:var(--charcoal);
  color:var(--off);
  position:relative;
  overflow:hidden;
  padding:90px 0 70px;
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size:44px 44px;
  opacity:0.5;
  mask-image:linear-gradient(180deg, black, transparent 85%);
}
.hero .container{position:relative;display:grid;grid-template-columns:1.15fr 0.85fr;gap:50px;align-items:center;}
.hero h1{
  font-size:clamp(38px,5.4vw,64px);
  color:var(--off);
}
.hero h1 em{
  font-style:normal;
  color:var(--hazard);
}
.hero p.lead{
  font-size:17.5px;
  color:#C7C6C1;
  max-width:46ch;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px;}
.hero-stats{
  display:flex;gap:0;
  border-top:1px solid var(--line-dark);
  padding-top:22px;
}
.hero-stats div{padding-right:34px;margin-right:34px;border-right:1px solid var(--line-dark);}
.hero-stats div:last-child{border-right:none;margin-right:0;}
.hero-stats b{
  display:block;font-family:'Roboto Mono',monospace;font-size:28px;color:var(--hazard);
}
.hero-stats span{
  font-family:'Roboto Mono',monospace;font-size:11.5px;letter-spacing:0.08em;text-transform:uppercase;color:var(--steel-light);
}
.hero-art{position:relative;}

/* ---------- sections ---------- */
section{padding:84px 0;}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:44px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(28px,3.4vw,40px);max-width:16ch;}
.section-head p{max-width:42ch;color:var(--steel-light);margin:0;}

/* spec-plate card — signature component */
.plate{
  position:relative;
  background:var(--off);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px 26px;
}
.plate::before, .plate::after,
.plate .rivet-tl, .plate .rivet-tr, .plate .rivet-bl, .plate .rivet-br{
  content:"";
  position:absolute;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--steel-light);
  opacity:0.55;
}
.plate::before{top:10px;left:10px;}
.plate::after{top:10px;right:10px;}
.plate .rivet-bl{bottom:10px;left:10px;}
.plate .rivet-br{bottom:10px;right:10px;}
.plate.dark{background:var(--charcoal);color:var(--off);border-color:var(--line-dark);}
.plate.dark::before,.plate.dark::after,.plate.dark .rivet-bl,.plate.dark .rivet-br{background:var(--hazard);opacity:0.7;}

.services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.service-card .num{
  font-family:'Roboto Mono',monospace;color:var(--weld);font-size:13px;margin-bottom:14px;display:block;
}
.service-card h3{font-size:19px;margin-bottom:10px;}
.service-card p{color:var(--steel-light);font-size:14.5px;margin-bottom:14px;}
.service-card .tag-list{display:flex;flex-wrap:wrap;gap:6px;}
.service-card .tag-list li{
  font-family:'Roboto Mono',monospace;font-size:10.5px;letter-spacing:0.03em;
  text-transform:uppercase;background:var(--paper-dim);padding:4px 8px;border-radius:2px;color:var(--steel);
}
.service-card svg{margin-bottom:16px;}

/* process */
.process{background:var(--steel);color:var(--off);}
.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-dark);}
.process-step{padding:30px 22px;border-right:1px solid var(--line-dark);}
.process-step:last-child{border-right:none;}
.process-step .num{
  font-family:'Roboto Mono',monospace;color:var(--hazard);font-size:22px;display:block;margin-bottom:12px;
}
.process-step h4{font-size:16px;color:var(--off);margin-bottom:8px;}
.process-step p{color:#B9BEC3;font-size:14px;margin:0;}

/* why us / stats */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.why-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);
}
.why-list li:first-child{border-top:1px solid var(--line);}
.why-list .mark{
  font-family:'Roboto Mono',monospace;color:var(--hazard);background:var(--charcoal);
  width:30px;height:30px;flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;
}
.why-list h4{font-size:15.5px;margin-bottom:4px;text-transform:none;letter-spacing:0;}
.why-list p{font-size:14px;color:var(--steel-light);margin:0;}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.gallery-grid .g-item{
  aspect-ratio:1/1;background:var(--steel);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;color:var(--steel-light);
  position:relative;overflow:hidden;
}
.gallery-grid .g-item span{
  font-family:'Roboto Mono',monospace;font-size:11px;letter-spacing:0.06em;text-transform:uppercase;color:#8E959B;text-align:center;padding:0 10px;
}

/* CTA banner */
.cta-banner{
  background:var(--charcoal);color:var(--off);text-align:center;padding:64px 0;
}
.cta-banner h2{font-size:clamp(26px,4vw,42px);max-width:24ch;margin:0 auto 14px;}
.cta-banner p{color:#C7C6C1;max-width:48ch;margin:0 auto 30px;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* testimonials */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.testi-card p{font-size:15px;color:var(--steel);margin-bottom:18px;}
.testi-card .who{font-family:'Roboto Mono',monospace;font-size:12px;text-transform:uppercase;letter-spacing:0.05em;color:var(--weld);}

/* ---------- footer ---------- */
.site-footer{background:var(--charcoal);color:#C7C6C1;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:50px;}
.footer-grid h4{color:var(--off);font-size:14px;margin-bottom:16px;}
.footer-grid ul li{margin-bottom:10px;font-size:14px;}
.footer-grid ul li a:hover{color:var(--hazard);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-family:'Roboto Mono',monospace;font-size:11.5px;letter-spacing:0.04em;color:var(--steel-light);
}

/* ---------- page header (inner pages) ---------- */
.page-hero{
  background:var(--charcoal);color:var(--off);padding:60px 0 46px;position:relative;overflow:hidden;
}
.page-hero .container{position:relative;}
.breadcrumb{
  font-family:'Roboto Mono',monospace;font-size:11.5px;letter-spacing:0.08em;text-transform:uppercase;color:var(--steel-light);margin-bottom:16px;
}
.breadcrumb span{color:var(--hazard);}
.page-hero h1{font-size:clamp(32px,5vw,52px);margin-bottom:10px;}
.page-hero p{color:#C7C6C1;max-width:60ch;margin:0;}

/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-grid .full{grid-column:1/-1;}
label{
  display:block;font-family:'Roboto Mono',monospace;font-size:11.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--steel-light);margin-bottom:8px;
}
input,textarea,select{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--off);font-family:'Work Sans',sans-serif;font-size:14.5px;color:var(--ink);
}
input:focus,textarea:focus,select:focus{outline:2px solid var(--hazard);outline-offset:1px;}
textarea{resize:vertical;min-height:130px;}

/* contact info cards */
.contact-info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:60px;}
.info-card h4{font-size:15px;margin-bottom:6px;}
.info-card p{color:var(--steel-light);font-size:14.5px;margin:0;}
.info-card .mono{color:var(--weld);font-size:13px;}

.map-frame{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;height:380px;
}
.map-frame iframe{width:100%;height:100%;border:0;}

/* blog */
.blog-list{display:flex;flex-direction:column;gap:18px;}
.blog-item{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--off);padding:26px;
}
.blog-item .meta{font-family:'Roboto Mono',monospace;font-size:11.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--weld);margin-bottom:10px;}
.blog-item h3{font-size:22px;margin-bottom:10px;}
.blog-item p.excerpt{color:var(--steel-light);margin-bottom:14px;}
.blog-item summary{cursor:pointer;font-family:'Roboto Mono',monospace;font-size:12.5px;letter-spacing:0.05em;text-transform:uppercase;color:var(--ink);list-style:none;display:inline-flex;align-items:center;gap:8px;}
.blog-item summary::-webkit-details-marker{display:none;}
.blog-item summary::after{content:"+";font-size:16px;color:var(--hazard);}
.blog-item details[open] summary::after{content:"–";}
.blog-item .full-text{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);color:var(--ink);font-size:15px;}
.blog-item .full-text p{margin-bottom:12px;}

/* about */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);background:var(--steel);color:var(--off);border-radius:var(--radius);overflow:hidden;
}
.stat-strip div{padding:32px 24px;border-right:1px solid var(--line-dark);}
.stat-strip div:last-child{border-right:none;}
.stat-strip b{font-family:'Roboto Mono',monospace;font-size:32px;color:var(--hazard);display:block;margin-bottom:6px;}
.stat-strip span{font-family:'Roboto Mono',monospace;font-size:11px;letter-spacing:0.06em;text-transform:uppercase;color:#B9BEC3;}

.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

/* two-col text/image */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split img, .split .art{border-radius:var(--radius);}

/* responsive */
@media (max-width:980px){
  .nav{position:fixed;top:78px;left:0;right:0;background:var(--charcoal);flex-direction:column;align-items:flex-start;padding:18px 24px 26px;gap:18px;border-top:1px solid var(--line-dark);display:none;}
  .nav.open{display:flex;}
  .menu-toggle{display:flex;}
  .nav-cta{margin-top:6px;}
  .hero .container, .why-grid, .split{grid-template-columns:1fr;}
  .services-grid, .contact-info-grid, .value-grid, .testi-grid{grid-template-columns:repeat(2,1fr);}
  .process-row{grid-template-columns:repeat(2,1fr);}
  .process-step{border-bottom:1px solid var(--line-dark);}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-strip div{border-bottom:1px solid var(--line-dark);}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .services-grid, .contact-info-grid, .value-grid, .testi-grid, .gallery-grid, .footer-grid{grid-template-columns:1fr;}
  .process-row{grid-template-columns:1fr;}
  .hero-stats{flex-wrap:wrap;row-gap:16px;}
  .hero-stats div{padding-right:20px;margin-right:20px;}
  section{padding:56px 0;}
}