/* ===========================================================
   SK ENGINEERS & CONVEYOR SYSTEM — brand stylesheet
   Palette:
     --navy     #16232F  (steel/dark base)
     --orange   #E8622C  (safety-orange accent, from conveyor rollers)
     --paper    #F5F2EA  (warm background)
     --steel    #2E4053  (secondary panels)
     --slate    #4B5563  (body text)
   Type:
     Display  -> 'Oswald' (condensed, industrial, uppercase)
     Body     -> 'Inter'
     Utility  -> 'IBM Plex Mono' (spec numbers, labels)
   =========================================================== */

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

:root{
  --navy:#16232F;
  --orange:#E8622C;
  --paper:#F5F2EA;
  --steel:#2E4053;
  --slate:#4B5563;
  --line:#DCD6C7;
}

*{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

body{
  font-family:'Inter',sans-serif;
  background:var(--paper);
  color:var(--slate);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:'Oswald',sans-serif;
  color:var(--navy);
  text-transform:uppercase;
  letter-spacing:0.03em;
  line-height:1.15;
}

a{color:inherit;text-decoration:none;}

img{max-width:100%;display:block;}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- Belt-tread signature divider ----------
   A repeating chevron strip that reads as a conveyor belt tread.
   Used between every major section instead of a plain <hr>. */
.belt-divider{
  height:14px;
  width:100%;
  background:
    repeating-linear-gradient(
      -45deg,
      var(--orange) 0 10px,
      transparent 10px 20px
    );
  opacity:0.9;
}
.belt-divider.dark{
  background:
    repeating-linear-gradient(
      -45deg,
      var(--navy) 0 10px,
      transparent 10px 20px
    );
}

/* ---------- Header ---------- */
header{
  background:var(--navy);
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:3px solid var(--orange);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 24px;
  max-width:1180px;
  margin:0 auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
}
.brand-mark{
  width:40px;height:40px;
  background:var(--orange);
  display:flex;align-items:center;justify-content:center;
  font-family:'Oswald',sans-serif;
  font-weight:700;
  color:var(--navy);
  font-size:20px;
  flex-shrink:0;
}
.brand-text{
  font-family:'Oswald',sans-serif;
  text-transform:uppercase;
  font-size:16px;
  letter-spacing:0.04em;
  line-height:1.2;
}
.brand-text span{
  display:block;
  font-family:'IBM Plex Mono',monospace;
  font-size:10px;
  color:var(--orange);
  letter-spacing:0.12em;
  text-transform:uppercase;
}
nav ul{
  display:flex;
  gap:28px;
  list-style:none;
}
nav a{
  color:#E9E6DD;
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  padding:8px 2px;
  border-bottom:2px solid transparent;
  transition:border-color .2s, color .2s;
}
nav a:hover, nav a.active{
  color:var(--orange);
  border-bottom-color:var(--orange);
}
.nav-toggle{display:none;}

@media (max-width:820px){
  nav ul{
    position:fixed;
    top:73px;left:0;right:0;
    background:var(--navy);
    flex-direction:column;
    gap:0;
    max-height:0;
    overflow:hidden;
    transition:max-height .25s ease;
    border-bottom:3px solid var(--orange);
  }
  nav ul.open{max-height:400px;}
  nav li{width:100%;border-top:1px solid rgba(255,255,255,.08);}
  nav a{display:block;padding:16px 24px;}
  .nav-toggle{
    display:block;
    background:none;border:none;
    color:#fff;font-size:26px;
    cursor:pointer;
  }
}

/* ---------- Hero ---------- */
.hero{
  background:var(--navy);
  color:#EDEAE1;
  padding:72px 0 56px;
  position:relative;
  overflow:hidden;
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:48px;
  align-items:center;
}
.hero-eyebrow{
  font-family:'IBM Plex Mono',monospace;
  color:var(--orange);
  font-size:13px;
  letter-spacing:0.15em;
  text-transform:uppercase;
  margin-bottom:18px;
}
.hero h1{
  color:#fff;
  font-size:clamp(34px,5vw,56px);
  margin-bottom:20px;
}
.hero p.lede{
  font-size:17px;
  color:#C7CBD1;
  max-width:46ch;
  margin-bottom:28px;
}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-block;
  font-family:'IBM Plex Mono',monospace;
  text-transform:uppercase;
  font-size:13px;
  letter-spacing:0.06em;
  padding:14px 26px;
  border:2px solid var(--orange);
  transition:background .2s,color .2s;
}
.btn-solid{background:var(--orange);color:var(--navy);font-weight:600;}
.btn-solid:hover{background:#fff;border-color:#fff;}
.btn-outline{color:#fff;}
.btn-outline:hover{background:var(--orange);color:var(--navy);}

/* spec panel beside hero, mimics an equipment nameplate */
.spec-plate{
  background:var(--steel);
  border-left:4px solid var(--orange);
  padding:26px;
}
.spec-plate .row{
  display:flex;
  justify-content:space-between;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  color:#DCE1E6;
}
.spec-plate .row:last-child{border-bottom:none;}
.spec-plate .row b{color:#fff;font-size:15px;}

/* ---------- Section basics ---------- */
section{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head .eyebrow{
  font-family:'IBM Plex Mono',monospace;
  color:var(--orange);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  display:block;
  margin-bottom:10px;
}
.section-head h2{font-size:clamp(26px,3.4vw,38px);}

/* ---------- Stat strip ---------- */
.stat-strip{
  background:var(--paper);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat-strip .wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:36px 24px;
}
.stat{text-align:center;}
.stat .num{
  font-family:'Oswald',sans-serif;
  font-size:40px;
  color:var(--navy);
}
.stat .num span{color:var(--orange);}
.stat .label{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--slate);
}
@media (max-width:700px){
  .stat-strip .wrap{grid-template-columns:repeat(2,1fr);}
  .hero .wrap{grid-template-columns:1fr;}
}

/* ---------- Cards (products / values) ---------- */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:26px;
}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-top:4px solid var(--orange);
  padding:28px 24px;
}
.card .tag{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;
  color:var(--orange);
  letter-spacing:0.1em;
  text-transform:uppercase;
  margin-bottom:10px;
  display:block;
}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{font-size:14.5px;}
.card a.more{
  display:inline-block;
  margin-top:16px;
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  text-transform:uppercase;
  color:var(--navy);
  border-bottom:1px solid var(--navy);
}

/* ---------- Two-column feature (About preview, etc) ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
@media (max-width:800px){.split{grid-template-columns:1fr;}}
.split .media{
  background:var(--steel);
  min-height:280px;
  display:flex;align-items:center;justify-content:center;
  position:relative;
}
.split .media .mono{
  font-family:'IBM Plex Mono',monospace;
  color:#AEB7C0;
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--navy);
  color:#fff;
  text-align:center;
  padding:56px 0;
}
.cta-band h2{color:#fff;margin-bottom:16px;}
.cta-band p{color:#C7CBD1;max-width:50ch;margin:0 auto 26px;}

/* ---------- Footer ---------- */
footer{
  background:var(--navy);
  color:#C7CBD1;
  padding:52px 0 26px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:36px;
  padding-bottom:32px;
}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr;}}
footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
footer p, footer a{font-size:14px;color:#AEB7C0;}
footer ul{list-style:none;}
footer li{margin-bottom:10px;}
footer a:hover{color:var(--orange);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
}
.foot-social{display:flex;gap:16px;}

/* ---------- Contact page specifics ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}
@media (max-width:800px){.contact-grid{grid-template-columns:1fr;}}
.contact-card{
  background:#fff;
  border:1px solid var(--line);
  padding:30px;
}
.contact-card .row{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.contact-card .row:last-child{border-bottom:none;}
.contact-card .row .k{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;
  text-transform:uppercase;
  color:var(--orange);
  min-width:90px;
  letter-spacing:.06em;
}
form.contact-form label{
  display:block;
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--navy);
  margin-bottom:6px;
  margin-top:16px;
}
form.contact-form input,
form.contact-form textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--line);
  background:#fff;
  font-family:'Inter',sans-serif;
  font-size:14px;
  color:var(--slate);
}
form.contact-form input:focus,
form.contact-form textarea:focus{
  outline:2px solid var(--orange);
  outline-offset:1px;
}
form.contact-form button{
  margin-top:22px;
  cursor:pointer;
  font-family:'IBM Plex Mono',monospace;
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}