:root{
  --navy:#0b2b3a;
  --navy-2:#123d50;
  --ink:#12232d;
  --muted:#667680;
  --line:#dce5e9;
  --light:#f4f7f8;
  --white:#ffffff;
  --accent:#b8c6cc;
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),92%);margin:auto}
.topbar{background:#08222f;color:#dbe7eb;font-size:13px}
.topbar .container{display:flex;justify-content:flex-end;gap:24px;padding:8px 0}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{height:58px;width:auto;object-fit:contain}
.navlinks{display:flex;align-items:center;gap:30px;font-weight:600;font-size:14px}
.navlinks a{color:#30434d}
.navlinks a:hover,.navlinks a.active{color:var(--navy)}
.nav-cta{background:var(--navy);color:#fff!important;padding:11px 18px;border-radius:4px}
.menu{display:none;border:0;background:none;font-size:26px;color:var(--navy)}
.hero{min-height:640px;display:flex;align-items:center;position:relative;overflow:hidden;background:
linear-gradient(115deg,rgba(7,34,47,.98) 0%,rgba(11,55,72,.93) 54%,rgba(16,64,82,.85) 100%)}
.hero:after{content:"";position:absolute;inset:auto -10% -45% -10%;height:55%;background:radial-gradient(ellipse at center,rgba(255,255,255,.10),transparent 60%);transform:rotate(-4deg)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#c8d6db;text-transform:uppercase;letter-spacing:2px;font-size:12px;font-weight:700;margin-bottom:20px}
.eyebrow:before{content:"";width:32px;height:1px;background:#c8d6db}
h1{font-size:clamp(42px,6vw,76px);line-height:1.03;color:#fff;letter-spacing:-2px;margin-bottom:24px}
.hero p{font-size:18px;max-width:680px;color:#d8e3e7}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:4px;font-weight:700;font-size:14px;border:1px solid transparent}
.btn-primary{background:#fff;color:var(--navy)}
.btn-outline{border-color:#aec1c8;color:#fff}
.hero-panel{border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);padding:30px;border-radius:8px;color:#fff}
.hero-panel .mark{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:#b9cbd1}
.hero-panel strong{display:block;font-size:26px;margin:8px 0 18px}
.hero-panel ul{list-style:none;border-top:1px solid rgba(255,255,255,.15)}
.hero-panel li{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.15);font-size:14px;color:#d8e3e7}
.section{padding:92px 0}
.section.light{background:var(--light)}
.section-head{max-width:720px;margin-bottom:42px}
.kicker{color:#5b6e78;font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:800;margin-bottom:12px}
h2{font-size:clamp(30px,4vw,48px);line-height:1.1;letter-spacing:-1px;color:var(--navy);margin-bottom:16px}
.section-head p{color:var(--muted);font-size:17px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:7px}
.card .num{font-size:12px;font-weight:800;letter-spacing:2px;color:#7a8b93;margin-bottom:28px}
.card h3{font-size:21px;color:var(--navy);margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.stat{background:#fff;padding:28px}
.stat strong{display:block;font-size:30px;color:var(--navy);line-height:1.1}
.stat span{font-size:13px;color:var(--muted)}
.quote{border-left:3px solid var(--navy);padding:6px 0 6px 24px;font-size:21px;color:#30434d}
.band{background:var(--navy);color:#fff;padding:55px 0}
.band .container{display:flex;justify-content:space-between;align-items:center;gap:30px}
.band h2{color:#fff;font-size:34px;margin:0}
.page-hero{padding:90px 0;background:linear-gradient(120deg,#082432,#123f52);color:#fff}
.page-hero h1{font-size:clamp(40px,5vw,64px);margin-bottom:12px}
.page-hero p{color:#d6e2e6;max-width:760px;font-size:17px}
.info-list{display:grid;gap:0;border-top:1px solid var(--line)}
.info-row{display:grid;grid-template-columns:240px 1fr;padding:18px 0;border-bottom:1px solid var(--line)}
.info-row strong{color:var(--navy)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-card{border:1px solid var(--line);padding:28px;border-radius:7px}
.contact-card h3{color:var(--navy);margin-bottom:8px}
.contact-card p{color:var(--muted)}
.contact-card a{font-weight:700;color:var(--navy)}
footer{background:#071c27;color:#b8c7cd;padding:42px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px}
footer h3{color:#fff;font-size:16px;margin-bottom:12px}
footer p,footer li{font-size:13px}
footer ul{list-style:none;display:grid;gap:7px}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;font-size:12px;display:flex;justify-content:space-between;gap:20px}
.note{font-size:12px;color:#778991;margin-top:18px}
@media(max-width:850px){
  .topbar{display:none}.nav{min-height:72px}.logo{height:50px}.menu{display:block}
  .navlinks{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);padding:20px 4%;flex-direction:column;align-items:flex-start}
  .navlinks.open{display:flex}.hero{min-height:auto;padding:80px 0}.hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:35px}
  .cards{grid-template-columns:1fr}.section{padding:68px 0}.band .container{display:block}.band .btn{margin-top:22px}
  .footer-grid{grid-template-columns:1fr 1fr}.info-row{grid-template-columns:1fr;gap:5px}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}
}


/* Front-page refinery slideshow */
.hero{min-height:680px;position:relative;display:flex;align-items:center;overflow:hidden;background:#071d28}
.hero-slides,.hero-slide,.hero-overlay{position:absolute;inset:0}
.hero-slides{z-index:0}
.hero-slide{
  background-size:cover;
  background-position:center;
  opacity:0;
  transform:scale(1.04);
  transition:opacity 1s ease,transform 7s ease;
}
.hero-slide.active{opacity:1;transform:scale(1)}
.hero-overlay{
  z-index:1;
  background:linear-gradient(90deg,rgba(5,27,38,.90) 0%,rgba(8,39,53,.73) 48%,rgba(5,25,35,.35) 100%);
}
.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.hero-copy{max-width:720px}
.slide-controls{
  position:absolute;z-index:4;bottom:25px;left:50%;transform:translateX(-50%);
  display:flex;gap:9px;
}
.slide-dot{
  width:34px;height:5px;border:0;border-radius:10px;background:rgba(255,255,255,.45);
  cursor:pointer;padding:0;transition:.25s;
}
.slide-dot.active{background:#fff;width:55px}
@media(max-width:850px){
  .hero{min-height:680px;padding:75px 0 85px}
  .hero-content{grid-template-columns:1fr;gap:30px}
  .hero-overlay{background:linear-gradient(90deg,rgba(5,27,38,.92),rgba(5,27,38,.60))}
}