:root{
  --primary:#0d4f8b;
  --primary-dark:#08365f;
  --secondary:#2c9d6c;
  --accent:#f3a43b;
  --bg:#f4f7fb;
  --text:#1f2d3d;
  --muted:#66758a;
  --white:#ffffff;
  --shadow:0 16px 40px rgba(8,54,95,.12);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#f4f7fb 0%,#eef4fa 100%);color:var(--text);line-height:1.65}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}
.topbar{background:linear-gradient(135deg,#fff 0%,#f7fbff 100%);border-bottom:1px solid rgba(13,79,139,.08)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0}
.logo{display:flex;align-items:center;gap:14px}
.logo-mark{width:58px;height:58px;border-radius:16px;background:conic-gradient(from 180deg,var(--primary),#3bb6ff,var(--secondary),var(--accent),var(--primary));position:relative;box-shadow:0 10px 20px rgba(13,79,139,.15)}
.logo-mark:before{content:"";position:absolute;inset:11px;border-radius:12px;background:#fff;clip-path:polygon(47% 0,61% 0,49% 39%,66% 39%,37% 100%,45% 58%,31% 58%)}
.logo h1{font-size:28px;line-height:1;margin:0;color:var(--primary-dark)}
.logo span{display:block;font-size:13px;color:var(--secondary);font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-top:4px}
.top-contact{display:flex;gap:26px;flex-wrap:wrap;justify-content:flex-end}
.top-contact .item{display:flex;gap:12px;align-items:flex-start;background:#fff;padding:10px 14px;border-radius:16px;box-shadow:var(--shadow)}
.top-contact .icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,rgba(13,79,139,.12),rgba(44,157,108,.12));color:var(--primary);font-size:18px;font-weight:700}
.top-contact strong{display:block;font-size:15px;color:var(--primary-dark)}
.top-contact small{color:var(--muted);font-size:13px}
.navbar{position:sticky;top:0;z-index:50;background:rgba(8,54,95,.96);backdrop-filter:blur(10px)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;position:relative}
.nav-links{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.nav-links a{color:#fff;padding:18px 16px;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;position:relative}
.nav-links a:after{content:"";position:absolute;left:16px;right:16px;bottom:10px;height:3px;background:var(--accent);border-radius:99px;transform:scaleX(0);transform-origin:left;transition:.3s}
.nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:28px;padding:12px}
.hero,.page-hero{position:relative;overflow:hidden;color:#fff}
.hero:before,.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,54,95,.87),rgba(13,79,139,.68))}
.hero:after,.page-hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:72px 72px;opacity:.18}
.home-hero{background:url('hero-industrial-1.png') center/cover no-repeat}
.about-hero{background:url('hero-about.png') center/cover no-repeat}
.services-hero{background:url('service-epc.png') center/cover no-repeat}
.sectors-hero{background:url('service-oil-gas.png') center/cover no-repeat}
.csr-hero{background:url('service-operations.png') center/cover no-repeat}
.contact-hero{background:url('hero-contact.png') center/cover no-repeat}
.hero-inner,.page-hero-inner{position:relative;z-index:2}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center;min-height:78vh;padding:88px 0}
.page-hero-inner{padding:92px 0 76px}
.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow);padding:34px;border-radius:28px;backdrop-filter:blur(8px)}
.eyebrow{display:inline-block;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.14);font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;margin-bottom:20px}
.hero h2,.page-hero h1{font-size:clamp(2.3rem,5vw,4.8rem);line-height:1.05;margin:0 0 18px}
.hero p,.page-hero p{font-size:1.08rem;color:rgba(255,255,255,.9);margin:0 0 26px;max-width:720px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:14px;font-weight:700;transition:.3s ease;box-shadow:var(--shadow)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#f0bd57);color:#10263e}
.btn-outline{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06)}
.btn:hover{transform:translateY(-3px)}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.stat-card{background:#fff;color:var(--text);padding:24px;border-radius:22px;box-shadow:var(--shadow);border:1px solid rgba(13,79,139,.08)}
.stat-card h3{margin:0;font-size:2rem;color:var(--primary-dark)}
.stat-card p{margin:10px 0 0;color:var(--muted);font-size:.97rem}
.section{padding:84px 0}
.section-alt{background:#fff}
.section-title{max-width:760px;margin-bottom:34px}
.section-title h2{font-size:clamp(2rem,4vw,3rem);line-height:1.1;margin:0 0 12px;color:var(--primary-dark)}
.section-title p{margin:0;color:var(--muted);font-size:1.05rem}
.grid-2,.grid-3,.grid-4{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid rgba(13,79,139,.07);transition:.35s ease;position:relative;overflow:hidden}
.card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--accent),var(--secondary),var(--primary))}
.card:hover{transform:translateY(-8px)}
.card-image{margin:-28px -28px 20px;border-radius:22px 22px 0 0;overflow:hidden;height:215px}
.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-image img,.media-card:hover img,.feature-photo:hover img{transform:scale(1.06)}
.icon-badge{width:60px;height:60px;border-radius:18px;background:linear-gradient(135deg,rgba(13,79,139,.12),rgba(44,157,108,.16));display:grid;place-items:center;color:var(--primary-dark);font-size:1.5rem;font-weight:800;margin-bottom:16px}
.card h3,.card h4{margin:0 0 10px;color:var(--primary-dark)}
.card p{margin:0;color:var(--muted)}
.split-feature{display:grid;grid-template-columns:1.06fr .94fr;gap:28px;align-items:stretch}
.feature-panel{background:linear-gradient(145deg,#fff,#f4fbff);border-radius:28px;padding:36px;box-shadow:var(--shadow);border:1px solid rgba(13,79,139,.08)}
.feature-list{display:grid;gap:16px;margin-top:24px}
.feature-item{display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:18px;background:#fff;border:1px solid rgba(13,79,139,.07)}
.feature-item span{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-size:13px;font-weight:700;flex:0 0 auto}
.media-card,.feature-photo,.gallery-card{position:relative;overflow:hidden;border-radius:28px;box-shadow:var(--shadow);min-height:100%;background:#fff}
.media-card img,.feature-photo img,.gallery-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.media-overlay{position:absolute;left:20px;right:20px;bottom:20px;background:rgba(8,54,95,.8);color:#fff;padding:18px 20px;border-radius:18px;backdrop-filter:blur(8px)}
.media-overlay h3{margin:0 0 6px;font-size:1.15rem}
.media-overlay p{margin:0;color:rgba(255,255,255,.86);font-size:.95rem}
.mosaic{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.mosaic .feature-photo:first-child{grid-row:span 2;min-height:490px}
.mosaic .feature-photo:not(:first-child){min-height:236px}
.band{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;padding:32px 0}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.band-item{padding:20px;border-radius:22px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1)}
.band-item strong{display:block;font-size:1.9rem;color:#fff;margin-bottom:8px}
.pillars{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.pillar{padding:22px;border-radius:22px;background:#fff;box-shadow:var(--shadow);text-align:center;border:1px solid rgba(13,79,139,.07)}
.pillar h4{margin:14px 0 8px;font-size:1rem;color:var(--primary-dark)}
.pillar p{margin:0;color:var(--muted);font-size:.95rem}
.breadcrumb{padding:18px 0;color:var(--muted);font-size:.96rem}
.breadcrumb a{color:var(--primary)}
.timeline{display:grid;gap:20px}
.timeline-item{display:grid;grid-template-columns:80px 1fr;gap:18px;align-items:start}
.timeline-number{width:80px;height:80px;border-radius:22px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:grid;place-items:center;color:#fff;font-size:1.4rem;font-weight:800;box-shadow:var(--shadow)}
.photo-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.photo-strip .gallery-card{height:240px}
.cta{padding:80px 0}
.cta-box{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;padding:40px;border-radius:32px;display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:center;box-shadow:var(--shadow)}
.cta-box p{color:rgba(255,255,255,.86)}
.contact-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:26px}
.form-card,.contact-card{background:#fff;padding:30px;border-radius:28px;box-shadow:var(--shadow);border:1px solid rgba(13,79,139,.07)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.input-group{display:grid;gap:8px}
.input-group.full{grid-column:1/-1}
label{font-weight:700;color:var(--primary-dark)}
input,textarea{width:100%;padding:14px 16px;border-radius:14px;border:1px solid rgba(13,79,139,.16);font:inherit;background:#fbfdff}
textarea{min-height:150px;resize:vertical}
.info-stack{display:grid;gap:16px;margin-top:16px}
.info-box{padding:18px;border-radius:18px;background:linear-gradient(145deg,#f6fbff,#fff);border:1px solid rgba(13,79,139,.09)}
.contact-media{display:grid;gap:22px}
.map-box{position:relative;border-radius:28px;overflow:hidden;min-height:260px;box-shadow:var(--shadow)}
.map-box img{width:100%;height:100%;object-fit:cover}
.map-box .media-overlay{left:18px;right:18px;bottom:18px}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.check-item{background:#fff;border:1px solid rgba(13,79,139,.08);padding:15px 16px;border-radius:16px;box-shadow:var(--shadow);font-weight:600;color:var(--primary-dark)}
.footer{background:linear-gradient(180deg,var(--primary-dark),#062848);color:#d8e7f8;padding-top:68px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:30px;padding-bottom:36px}
.footer h3{color:#fff;margin-top:0}
.footer p,.footer li,.footer a{color:#d8e7f8}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;text-align:center;color:#c9ddf5}
.reveal{opacity:0;transform:translateY(28px);transition:all .7s ease}
.reveal.visible{opacity:1;transform:none}
.service-card ul,.sector-card ul{margin:12px 0 0;padding-left:18px;color:var(--muted)}
.service-card li,.sector-card li{margin:8px 0}
.highlight-box{padding:24px;border-radius:24px;background:linear-gradient(135deg,rgba(13,79,139,.08),rgba(44,157,108,.08));border:1px solid rgba(13,79,139,.1)}
.image-band{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.image-band .card{padding:0}
.image-band .card .content{padding:22px}
.image-band .card-image{margin:0;height:220px;border-radius:22px 22px 0 0}
@media (max-width: 980px){
  .hero-inner,.split-feature,.cta-box,.contact-wrap,.footer-grid,.topbar-inner,.page-hero-inner{grid-template-columns:1fr;display:grid}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3,.band-grid,.pillars,.grid-2,.photo-strip,.image-band,.check-grid{grid-template-columns:1fr 1fr}
  .top-contact{justify-content:flex-start}
  .mosaic{grid-template-columns:1fr 1fr}
  .mosaic .feature-photo:first-child{grid-row:auto;min-height:280px}
}
@media (max-width: 760px){
  .menu-toggle{display:block}
  .nav-inner{padding:6px 0}
  .nav-links{display:none;position:absolute;left:0;right:0;top:100%;background:var(--primary-dark);padding:10px 4%;flex-direction:column;align-items:flex-start}
  .nav-links.show{display:flex}
  .nav-links a{width:100%;padding:14px 0}
  .hero-inner{min-height:auto;padding:60px 0}
  .hero-stats,.grid-4,.grid-3,.grid-2,.band-grid,.pillars,.form-grid,.photo-strip,.image-band,.mosaic,.check-grid{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:1fr}
  .timeline-number{width:62px;height:62px}
  .top-contact .item{width:100%}
  .logo h1{font-size:24px}
  .card-image{height:200px}
}