:root{
  --navy:#053363;
  --navy2:#082747;
  --green:#5d9e2b;
  --light:#f4f7fa;
  --text:#18314d;
  --muted:#60758c;
  --white:#fff;
  --shadow:0 18px 45px rgba(8,39,71,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);line-height:1.6;background:#fff}
img{max-width:100%}
.container{width:min(1160px,92%);margin:auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 2px 18px rgba(0,0,0,.06)}
.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{height:54px;width:auto;object-fit:contain}
nav{display:flex;align-items:center;gap:24px}
nav a{color:var(--navy2);text-decoration:none;font-weight:700;font-size:.95rem}
.nav-cta{background:var(--green);color:#fff!important;padding:11px 18px;border-radius:8px}
.menu-btn{display:none;border:0;background:none;font-size:28px}
.hero{min-height:92vh;background:url('assets/hero.jpg') center 34%/cover no-repeat;position:relative;display:flex;align-items:center;padding-top:82px}
.overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,31,60,.86),rgba(3,31,60,.58),rgba(3,31,60,.15))}
.hero-content{position:relative;color:#fff;max-width:760px;padding:80px 0}
.eyebrow{display:inline-block;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;font-weight:800;color:#bce18f;margin-bottom:10px}
.eyebrow.dark{color:var(--green)}
h1,h2,h3{line-height:1.12;margin-top:0}
h1{font-size:clamp(2.7rem,5.8vw,5.5rem);margin-bottom:20px}
h2{font-size:clamp(2rem,3.7vw,3.2rem);color:var(--navy2);margin-bottom:18px}
.hero p{font-size:1.15rem;max-width:700px;color:#eef5fb}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-block;text-decoration:none;border:0;border-radius:8px;padding:14px 22px;font-weight:800;cursor:pointer}
.btn.primary{background:var(--green);color:#fff}
.btn.secondary{border:1px solid rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.08)}
.section{padding:90px 0}
.section.alt{background:var(--light)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.image-card{min-height:520px;border-radius:20px;background-size:cover;background-position:center;box-shadow:var(--shadow)}
.about-img{background-image:url('assets/services.jpg')}
.quality-img{background-image:url('assets/quality.jpg')}
.hse-img{background-image:url('assets/hse.jpg')}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}
.stats div{background:var(--light);padding:18px;border-left:4px solid var(--green);border-radius:8px}
.stats strong,.stats span{display:block}
.stats strong{color:var(--navy);font-size:1.1rem}
.stats span{color:var(--muted);font-size:.9rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.card{background:#fff;border-radius:14px;padding:28px;box-shadow:var(--shadow);border-top:4px solid var(--green)}
.card h3{color:var(--navy);font-size:1.15rem}
.card p{color:var(--muted)}
.visual{position:relative;background-size:cover;background-position:center}
.capabilities{background-image:url('assets/equipment.jpg')}
.sectors{background-image:url('assets/sectors.jpg')}
.dark-overlay{background:rgba(3,31,60,.84)}
.visual-content{position:relative;color:#fff}
.visual h2{color:#fff;max-width:760px}
.pill-grid,.sector-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
.pill-grid span,.sector-grid span{padding:16px 18px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.10);border-radius:10px;font-weight:700}
.two-col-list{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.two-col-list h3{color:var(--navy);font-size:1.4rem}
.two-col-list ul,.check-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.two-col-list li,.check-list li{position:relative;padding-left:28px}
.two-col-list li:before,.check-list li:before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:900}
.standards{margin-top:22px;padding:16px;background:#fff;border-left:4px solid var(--navy);box-shadow:var(--shadow)}
.process{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:34px}
.process div{background:#fff;border-radius:12px;padding:22px 14px;box-shadow:var(--shadow);text-align:center;border-bottom:4px solid var(--green)}
.process b{display:block;font-size:1.5rem;color:var(--green)}
.process span{font-weight:800;color:var(--navy)}
.contact{background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff}
.contact h2{color:#fff}
.contact-grid{display:grid;gap:12px;margin-top:28px}
.contact-grid a,.contact-grid span{color:#fff;text-decoration:none;font-weight:700}
.contact-form{background:#fff;color:var(--text);padding:30px;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.18)}
.contact-form h3{font-size:1.5rem;color:var(--navy)}
.contact-form input,.contact-form textarea{width:100%;padding:14px 15px;margin:7px 0;border:1px solid #d9e2ea;border-radius:8px;font:inherit}
.contact-form small{display:block;color:var(--muted);margin-top:12px}
footer{background:#041d37;color:#d7e3ef;padding:28px 0}
.footer-inner{display:flex;justify-content:space-between;gap:24px;align-items:center}
.footer-inner span{display:block;font-size:.85rem;color:#9fb3c5}
@media(max-width:900px){
  nav{display:none;position:absolute;top:82px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:24px 4%;box-shadow:var(--shadow)}
  nav.open{display:flex}
  .menu-btn{display:block}
  .split{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .pill-grid,.sector-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(3,1fr)}
  .image-card{min-height:360px}
}
@media(max-width:600px){
  .brand img{height:45px}
  .nav{height:72px}
  .hero{padding-top:72px}
  .section{padding:68px 0}
  .cards,.stats,.two-col-list,.pill-grid,.sector-grid,.process{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .footer-inner{flex-direction:column;align-items:flex-start}
}