/* Durban Speciality Chemicals — site stylesheet */

:root{
  --brand: #2E3092;
  --brand-dark: #1F2168;
  --text: #252525;
  --muted: #6b6b6b;
  --bg-light: #f5f5f5;
  --border: #e4e4e4;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  line-height:1.7;
  background:#fff;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
ul{margin:0;padding:0;}
.container{max-width:1140px;margin:0 auto;padding:0 20px;}

/* Top bar */
.topbar{
  background:var(--text);
  color:#cfcfcf;
  font-size:.85rem;
  padding:8px 0;
}
.topbar .container{display:flex;justify-content:flex-end;gap:1.5rem;}
.topbar a{color:#cfcfcf;}
.topbar a:hover{color:#fff;}

/* Header */
header.site-header{
  border-bottom:1px solid var(--border);
  padding:18px 0;
  background:#fff;
  position:sticky;
  top:0;
  z-index:100;
}
header.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:1.3rem;
  color:var(--text);
}
.logo .mark{
  width:42px;height:42px;border-radius:6px;
  background:var(--brand);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1.1rem;
}
.logo img{height:44px;width:auto;display:block;}
.logo span{line-height:1.15;}
.logo small{display:block;font-weight:400;font-size:.65rem;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;}
footer .logo img{height:36px;filter:brightness(0) invert(1);}

nav.main-nav ul{list-style:none;display:flex;gap:2rem;}
nav.main-nav a{
  color:var(--text);
  font-weight:600;
  font-size:.95rem;
  letter-spacing:.02em;
  padding:6px 0;
  border-bottom:2px solid transparent;
}
nav.main-nav a:hover,
nav.main-nav a.active{
  color:var(--brand);
  border-bottom-color:var(--brand);
}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--text);}

/* Hero */
.hero{
  background:linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color:#fff;
  padding:70px 0;
}
.hero .container{display:flex;align-items:center;gap:2.5rem;flex-wrap:wrap;}
.hero-text{flex:1 1 420px;}
.hero h1{font-size:2.4rem;margin:0 0 .6rem;font-weight:800;}
.hero p.lead{font-size:1.1rem;opacity:.92;max-width:560px;margin:0;}
.hero-image{
  flex:1 1 320px;
  border-radius:10px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.25);
}
.hero-image img{width:100%;height:100%;object-fit:cover;}

/* Page header (non-home) */
.page-header{
  background:var(--brand);
  color:#fff;
  padding:48px 0;
  text-align:center;
}
.page-header h1{margin:0;font-size:2rem;font-weight:800;}

/* Main content */
main{padding:60px 0;}
main .container > p{max-width:820px;}
h2.section-title{
  font-size:1.15rem;
  color:var(--brand);
  border-bottom:2px solid var(--brand);
  display:inline-block;
  padding-bottom:6px;
  margin:0 0 1rem;
}

.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:1.75rem;
  margin-top:2rem;
}

/* Industries page: fixed 2-column layout with explicit card order per
   column (so title-only cards like Masterbatch don't stretch, and
   Laminating sits in the first column). */
.industries-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1.75rem;
  align-items:start;
  margin-top:2rem;
}
.industries-col{
  display:flex;
  flex-direction:column;
  gap:1.75rem;
}
@media (max-width:700px){
  .industries-grid{grid-template-columns:1fr;}
}

.card{
  background:var(--bg-light);
  border:1px solid var(--border);
  border-radius:8px;
  padding:1.5rem 1.75rem;
}
.card ul{list-style:none;}
.card ul li{
  position:relative;
  padding-left:1.1rem;
  margin-bottom:.4rem;
  color:var(--text);
}
.card ul li:before{
  content:"";
  position:absolute;left:0;top:.6em;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);
}

/* Intro paragraphs on Home */
.intro p{margin:0 0 1.1rem;color:var(--text);max-width:760px;}
.intro p:first-child{font-size:1.1rem;color:var(--muted);}

/* Contact page */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:2.5rem;
  margin-top:1rem;
}
@media (max-width:700px){.contact-grid{grid-template-columns:1fr;}}
.office{
  background:var(--bg-light);
  border:1px solid var(--border);
  border-radius:8px;
  padding:1.75rem;
}
.office h3{margin:0 0 1rem;color:var(--brand);font-size:1.1rem;}
.office dl{margin:0;}
.office dt{font-weight:600;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;margin-top:.75rem;}
.office dt:first-child{margin-top:0;}
.office dd{margin:0 0 0;}
.contact-photo{
  margin-top:2.5rem;
  border-radius:8px;
  overflow:hidden;
  border:1px solid var(--border);
}
.contact-photo img{width:100%;height:auto;}

/* Footer */
footer.site-footer{
  background:var(--text);
  color:#bdbdbd;
  padding:40px 0 24px;
  margin-top:0;
}
footer.site-footer .container{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:1.5rem;
}
footer.site-footer nav ul{list-style:none;display:flex;gap:1.5rem;flex-wrap:wrap;}
footer.site-footer a{color:#bdbdbd;}
footer.site-footer a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid #3a3a3a;
  margin-top:24px;
  padding-top:18px;
  font-size:.8rem;
  color:#8a8a8a;
  text-align:center;
}

@media (max-width:820px){
  nav.main-nav{
    position:absolute;
    top:100%;left:0;right:0;
    background:#fff;
    border-bottom:1px solid var(--border);
    display:none;
    padding:1rem 20px 1.5rem;
  }
  nav.main-nav.open{display:block;}
  nav.main-nav ul{flex-direction:column;gap:1rem;}
  .nav-toggle{display:block;}
  header.site-header{position:relative;}
  .hero h1{font-size:1.9rem;}
}