:root{
  --red:#e63027;
  --red-dark:#c82420;
  --yellow:#f5b800;
  --yellow-soft:#fff4dc;
  --red-soft:#ffe9e6;
  --ink:#1a1a1a;
  --text:#333;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#ffffff;
  --bg-soft:#fafafa;
}
*{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:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:8px;font-weight:600;font-size:14px;letter-spacing:.3px;transition:.2s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark)}
.btn-outline{background:#fff;color:var(--ink);border-color:#d1d5db}
.btn-outline:hover{border-color:#9ca3af}
.btn-yellow{background:var(--yellow);color:#fff}
.btn-yellow:hover{background:#dca400}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}
.btn-white{background:#fff;color:var(--ink)}
.btn-phone{padding:10px 18px}

/* Header */
.site-header{position:relative;background:#fff;border-bottom:1px solid var(--line)}
.header-bg{position:absolute;left:0;top:0;bottom:0;width:38%;background:#111;clip-path:polygon(0 0,100% 0,80% 100%,0 100%);z-index:0}
.header-bg::after{content:"";position:absolute;left:8px;top:0;bottom:0;width:6px;background:var(--red)}
.header-bg::before{content:"";position:absolute;left:18px;top:0;bottom:0;width:6px;background:var(--yellow)}
.header-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:18px 24px;gap:24px}
.logo{display:flex;flex-direction:column;line-height:1}
.logo-text{font-weight:800;font-size:24px;color:#fff;letter-spacing:.5px}
.logo-accent{color:var(--red)}
.logo-sub{font-size:11px;color:#fff;opacity:.9;margin-top:4px;letter-spacing:.3px}
.logo-text.light{color:#fff}
.logo-sub.light{color:#cbd5e1}
.nav{display:flex;gap:28px}
.nav a{font-size:13px;font-weight:600;color:var(--ink);letter-spacing:.6px;position:relative;padding:6px 0}
.nav a.active{color:var(--red)}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--red)}
.nav a:hover{color:var(--red)}

/* Hero */
.hero{padding:50px 0 70px;background:#fff}
.hero-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center}
.eyebrow{color:var(--red);font-weight:700;font-size:13px;letter-spacing:1px}
.hero-text h1{font-size:42px;line-height:1.15;color:var(--ink);margin:18px 0 18px;font-weight:800;letter-spacing:-.5px}
.hero-text p{color:var(--muted);font-size:15px;max-width:440px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-image img{border-radius:6px}

/* Sections */
section{padding:60px 0}
.section-title{display:flex;align-items:center;justify-content:center;gap:18px;margin-bottom:42px}
.section-title::before,.section-title::after{content:"";flex:1;height:1px;background:var(--line);max-width:280px}
.section-title span{font-weight:700;font-size:14px;letter-spacing:2px;color:var(--ink);position:relative;padding-bottom:6px}
.title-underline{display:block;width:50px;height:2px;background:var(--red);margin:6px auto 0}

/* Brand logos display */
.brands{padding-top:30px}
.brand-logos{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:50px;padding:0 40px}
.brand-logo-img{display:flex;align-items:center;justify-content:center}
.brand-logo-img img{max-height:220px;width:auto;object-fit:contain}
.isolcor-logo{display:flex;align-items:center;gap:18px;justify-content:center}
.iso-icon{display:flex;align-items:flex-end;gap:4px;height:80px}
.iso-icon .bar{width:18px;background:var(--yellow);border-radius:2px}
.iso-icon .b1{height:50px;background:var(--red)}
.iso-icon .b2{height:80px}
.iso-icon .b3{height:65px;background:var(--yellow)}
.brand-name{font-size:42px;font-weight:800;color:var(--ink);letter-spacing:1px}
.brand-tag{font-size:11px;font-weight:700;background:var(--red);color:#fff;padding:4px 10px;display:inline-block;margin-top:4px}
.ldcor-logo{display:flex;flex-direction:column;align-items:center;justify-content:center}
.ld-splash{position:relative;display:flex;align-items:center;justify-content:center;width:280px;height:120px}
.splash-circle{position:absolute;inset:0;background:radial-gradient(ellipse at center,var(--red) 50%,transparent 70%);border-radius:50%;opacity:.85}
.splash-text{position:relative;font-size:48px;font-weight:800;color:#fff;font-style:italic;z-index:1}
.brand-tag2{font-size:11px;font-weight:700;color:var(--ink);letter-spacing:2px;margin-top:6px}

/* Brand cards */
.brand-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.brand-card{padding:36px;border-radius:10px}
.brand-card.isolcor{background:var(--yellow-soft)}
.brand-card.ldcor{background:var(--red-soft)}
.brand-head{display:flex;align-items:center;gap:18px;margin-bottom:18px}
.brand-icon{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:22px;flex-shrink:0}
.brand-icon.yellow{background:var(--yellow)}
.brand-icon.red{background:var(--red)}
.brand-card h3{font-size:26px;color:var(--ink);font-weight:800}
.brand-sub{font-size:12px;font-weight:700;letter-spacing:1px;margin-top:2px}
.yellow-text{color:#d9a300}
.red-text{color:var(--red)}
.brand-desc{color:#4b5563;font-size:14px;margin-bottom:22px;line-height:1.6}
.services-label{font-size:11px;font-weight:700;letter-spacing:1.5px;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.services-label .dot{width:24px;height:2px;border-radius:1px}
.services-label .dot.yellow{background:var(--yellow)}
.services-label .dot.red{background:var(--red)}
.check-list li{position:relative;padding:6px 0 6px 28px;font-size:14px;color:#374151}
.check-list li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:6px;font-size:14px}
.yellow-list li::before{color:var(--yellow)}
.red-list li::before{color:var(--red)}
.brand-card .btn{margin-top:22px}

/* Featured services */
.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.feature{display:flex;gap:16px;align-items:flex-start}
.feature h4{font-size:16px;color:var(--ink);margin-bottom:6px;font-weight:700}
.feature p{font-size:13px;color:var(--muted);line-height:1.6}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery-grid figure{position:relative;border-radius:6px;overflow:hidden;aspect-ratio:4/3}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery-grid figure:hover img{transform:scale(1.05)}
.gallery-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:10px 14px;background:linear-gradient(transparent,rgba(0,0,0,.75));color:#fff;font-size:13px;font-weight:600}

/* Trust */
.trust{padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.trust-item{display:flex;gap:14px;align-items:center}
.trust-item i{font-size:28px;color:var(--ink)}
.trust-item strong{display:block;font-size:12px;letter-spacing:1px;color:var(--ink)}
.trust-item span{font-size:12px;color:var(--muted)}

/* CTA */
.cta{padding:40px 0 60px}
.cta-inner{position:relative;background:#1a1a1a;border-radius:10px;padding:36px 40px;display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;overflow:hidden}
.cta-splash{position:absolute;left:0;top:0;bottom:0;width:200px;background:
  radial-gradient(circle at 30% 30%,var(--yellow) 0,transparent 35%),
  radial-gradient(circle at 60% 70%,var(--red) 0,transparent 40%),
  radial-gradient(circle at 20% 80%,var(--red-dark) 0,transparent 30%);
  opacity:.95}
.cta-text{grid-column:2}
.cta-text h3{color:#fff;font-size:24px;font-weight:700;line-height:1.3}
.cta-text p{color:#cbd5e1;font-size:14px;margin-top:6px}
.cta-actions{display:flex;flex-direction:column;gap:10px}

/* Footer */
.site-footer{background:#111;color:#cbd5e1;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.4fr 1.2fr;gap:40px;padding-bottom:30px}
.site-footer h5{color:#fff;font-size:13px;letter-spacing:1.5px;margin-bottom:16px;font-weight:700}
.site-footer ul li{padding:5px 0;font-size:13px}
.footer-about{font-size:13px;margin-top:14px;line-height:1.7;max-width:240px;color:#9ca3af}
.contact-list li{display:flex;align-items:center;gap:10px}
.contact-list i{color:var(--red);width:14px}
.footer-bottom{border-top:1px solid #1f2937;padding:18px 0;text-align:center;font-size:12px;color:#9ca3af}

/* Responsive */
@media (max-width:900px){
  .hero-grid,.brand-cards,.featured-grid,.gallery-grid,.trust-grid,.footer-grid,.brand-logos{grid-template-columns:1fr}
  .nav{display:none}
  .header-bg{width:55%}
  .hero-text h1{font-size:32px}
  .cta-inner{grid-template-columns:1fr;padding-left:24px}
  .cta-splash{width:100%;height:80px;position:relative;border-radius:8px;margin-bottom:8px}
  .cta-text{grid-column:auto}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
}