:root{
  --blue:#0d5ea6;
  --blue-dark:#093d6b;
  --green:#1fa971;
  --green-dark:#137352;
  --text:#14202c;
  --muted:#5c6874;
  --line:#e6edf3;
  --bg:#ffffff;
  --tint:#f5fafc;
  --dark:#0f1c29;
  --shadow:0 18px 40px rgba(8, 26, 43, 0.08);
  --radius:20px;
  --container:1180px;
}

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

html{
  scroll-behavior:smooth;
}

body{
  font-family:"Inter",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
}

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

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

.container{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}

.nav-wrap{
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand-logo{
  height:46px;
  width:auto;
}

.nav{
  display:flex;
  gap:28px;
  align-items:center;
}

.nav a{
  font-weight:700;
  color:#344658;
  transition:.2s ease;
}

.nav a:hover,
.nav a.active{
  color:var(--blue);
}

.menu-toggle{
  display:none;
  width:46px;
  height:46px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  cursor:pointer;
  padding:10px;
}

.menu-toggle span{
  display:block;
  height:2px;
  background:var(--text);
  margin:6px 0;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:14px 22px;
  border:1px solid transparent;
  font-weight:800;
  transition:.2s ease;
}

.btn:hover{
  transform:translateY(-1px);
}

.btn-sm{
  padding:10px 16px;
  font-size:14px;
}

.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--green));
  color:#fff;
  box-shadow:0 12px 24px rgba(13,94,166,.18);
}

.btn-secondary{
  background:#fff;
  color:var(--text);
  border-color:var(--line);
}

.btn-light{
  background:#fff;
  color:var(--dark);
}

.btn-full{
  width:100%;
}

.hero{
  padding:74px 0 58px;
}

.hero-light{
  min-height:calc(100vh - 82px);
  display:flex;
  align-items:center;
}

.hero-grid,
.split-grid,
.cta-band,
.footer-grid,
.contact-layout{
  display:grid;
  gap:34px;
}

.hero-grid{
  grid-template-columns:1.05fr .95fr;
  align-items:center;
}

.hero-copy{
  max-width:720px;
}

.hero-art{
  width:100%;
  filter:drop-shadow(0 18px 44px rgba(8,26,43,.08));
}

.hero-actions{
  display:flex;
  gap:14px;
  margin:28px 0 24px;
  flex-wrap:wrap;
}

.hero-points{
  list-style:none;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 18px;
}

.hero-points li{
  position:relative;
  padding-left:18px;
  color:#2d3f50;
  font-weight:600;
}

.hero-points li::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--green);
  position:absolute;
  left:0;
  top:11px;
}

.page-hero{
  padding:118px 0 42px;
}

.narrow{
  max-width:860px;
}

.section{
  padding:88px 0;
}

.section-white{
  background:#fff;
}

.section-tint{
  background:var(--tint);
}

.section-darkband{
  background:linear-gradient(180deg,#0f1c29,#13283b);
  color:#fff;
}

.section-darkband p,
.section-darkband .eyebrow,
.section-darkband h2{
  color:#fff;
}

.section-heading{
  margin-bottom:34px;
}

.section-heading.center{
  text-align:center;
  max-width:860px;
  margin:0 auto 34px;
}

.eyebrow{
  margin:0 0 10px;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-weight:900;
}

.eyebrow.green{
  color:var(--green);
}

.eyebrow.blue{
  color:var(--blue);
}

.eyebrow.light{
  color:#d5e7f8;
}

h1,
h2,
h3,
h4{
  line-height:1.08;
  letter-spacing:-.03em;
  margin-bottom:14px;
}

h1{
  font-size:clamp(2.6rem,5vw,5rem);
  font-weight:900;
}

h2{
  font-size:clamp(2rem,3vw,3.1rem);
  font-weight:850;
}

h3{
  font-size:1.3rem;
  font-weight:800;
}

h4{
  font-size:1rem;
  font-weight:800;
}

p{
  margin-bottom:14px;
  color:var(--muted);
}

.lead{
  font-size:1.14rem;
  color:#42505d;
}

.grid-3,
.grid-4,
.product-grid,
.industry-list{
  display:grid;
  gap:22px;
}

.grid-3{
  grid-template-columns:repeat(3,minmax(0,1fr));
}

.grid-4{
  grid-template-columns:repeat(4,minmax(0,1fr));
}

.product-grid{
  grid-template-columns:repeat(2,minmax(0,1fr));
}

.industry-list{
  grid-template-columns:repeat(2,minmax(0,1fr));
}

.card,
.feature-card,
.product-block,
.industry-card,
.contact-panel-lg{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
}

.feature-card{
  padding:28px;
}

.feature-icon{
  width:72px;
  height:72px;
  margin-bottom:18px;
}

.split-grid{
  grid-template-columns:1fr 1fr;
  align-items:center;
}

.rounded-media{
  width:100%;
  border-radius:24px;
  box-shadow:var(--shadow);
}

.tick-list{
  list-style:none;
  margin-top:18px;
}

.tick-list li{
  position:relative;
  padding-left:28px;
  margin-bottom:12px;
  color:#2f4353;
  font-weight:600;
}

.tick-list li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color:var(--green);
  font-weight:900;
}

.cta-band{
  grid-template-columns:1fr auto;
  align-items:center;
}

.contact-layout{
  grid-template-columns:1.15fr .85fr;
  align-items:start;
}

.contact-sidebar{
  display:grid;
  gap:18px;
}

.contact-form{
  display:grid;
  gap:12px;
}

.contact-form label{
  font-size:14px;
  font-weight:800;
  color:#293847;
}

.contact-form input,
.contact-form select,
.contact-form textarea{
  width:100%;
  border:1px solid #d6e2eb;
  border-radius:14px;
  padding:14px 16px;
  font:inherit;
  outline:none;
  background:#fff;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus{
  border-color:var(--blue);
  box-shadow:0 0 0 4px rgba(13,94,166,.12);
}

.site-footer{
  background:#0c1723;
  color:#dbe7f2;
  padding-top:54px;
}

.footer-grid{
  grid-template-columns:1.4fr .7fr .7fr;
}

.footer-logo{
  height:46px;
  width:auto;
  margin-bottom:18px;
}

.footer-copy,
.footer-links a,
.footer-links span,
.footer-bottom p{
  color:#b9c6d3;
}

.footer-links{
  list-style:none;
}

.footer-links li{
  margin-bottom:10px;
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  margin-top:34px;
  padding:18px 0 28px;
}

.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s ease,transform .7s ease;
}

.reveal.in-view{
  opacity:1;
  transform:none;
}

/* Thermoplastics page */

.plant-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}

.plant-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}

.plant-image{
  width:100%;
  height:320px;
  object-fit:cover;
  display:block;
}

.plant-copy{
  padding:26px;
}

.contact-line{
  margin-top:10px;
  color:var(--text);
  font-weight:700;
}

.large-thumb{
  width:100%;
  height:180px;
  object-fit:cover;
  border-radius:14px;
  margin-bottom:16px;
}

/* Systems page */

.systems-gallery{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}

.systems-gallery img{
  width:100%;
  height:280px;
  object-fit:cover;
  border-radius:18px;
  box-shadow:var(--shadow);
  display:block;
}

@media (max-width: 1080px){
  .hero-grid,
  .split-grid,
  .cta-band,
  .footer-grid,
  .contact-layout{
    grid-template-columns:1fr;
  }

  .grid-4,
  .grid-3,
  .product-grid,
  .industry-list{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .plant-grid{
    grid-template-columns:1fr;
  }

  .systems-gallery{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (max-width: 820px){
  .menu-toggle{
    display:inline-block;
  }

  .nav{
    display:none;
    position:absolute;
    top:82px;
    left:0;
    right:0;
    background:rgba(255,255,255,.98);
    border-bottom:1px solid var(--line);
    padding:18px 20px 22px;
    flex-direction:column;
    align-items:flex-start;
  }

  .nav.open{
    display:flex;
  }

  .grid-4,
  .grid-3,
  .product-grid,
  .industry-list,
  .hero-points{
    grid-template-columns:1fr;
  }

  .hero-light{
    min-height:auto;
  }
}

@media (max-width: 560px){
  .container{
    width:min(var(--container), calc(100% - 24px));
  }

  .brand-logo,
  .footer-logo{
    height:38px;
  }

  .btn,
  .btn-sm{
    width:100%;
  }

  .hero-actions{
    flex-direction:column;
  }

  .card,
  .feature-card,
  .product-block,
  .industry-card,
  .contact-panel-lg{
    padding:22px;
  }

  .plant-image{
    height:240px;
  }

  .plant-copy{
    padding:20px;
  }

  .systems-gallery{
    grid-template-columns:1fr;
  }

  .systems-gallery img{
    height:240px;
  }
}