:root{
  --navy:#073a70; --navy2:#052b52; --gold:#d9a43a; --gold2:#f2c96d;
  --ink:#102b4a; --muted:#63758b; --paper:#f7f8fa; --white:#fff;
  --line:#e4e8ee; --shadow:0 14px 40px rgba(4,35,67,.10);
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.15;margin:0 0 16px}
a{color:inherit;text-decoration:none}.container{width:min(1160px,92%);margin:auto}
.top{background:var(--navy2);color:#fff;font-size:13px}.top .container{display:flex;justify-content:flex-end;gap:22px;padding:8px 0}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy)}
.brand-mark{width:46px;height:46px;border:2px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold);font-family:Georgia;font-size:23px}
.brand span{display:block}.brand small{display:block;font-weight:500;font-size:10px;letter-spacing:1.4px;color:var(--muted)}
nav{display:flex;gap:22px;align-items:center;font-size:14px;font-weight:700}
nav a:hover{color:#b17d19}.btn{display:inline-block;padding:12px 20px;border-radius:7px;font-weight:800;border:1px solid var(--gold);background:var(--gold);color:#173354;transition:.2s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.04)}.btn.outline{background:transparent;color:var(--gold2)}
.hero{min-height:600px;display:grid;align-items:center;background:
linear-gradient(90deg,rgba(3,34,65,.97) 0%,rgba(4,48,91,.92) 34%,rgba(4,48,91,.38) 66%,rgba(4,48,91,.05) 100%),
url("assets/natural-gas.jpg") center/cover no-repeat;color:#fff}
.hero-inner{padding:82px 0;max-width:650px}.eyebrow{color:var(--gold2);font-weight:800;letter-spacing:2px;font-size:13px;text-transform:uppercase}
.hero h1{font-size:clamp(44px,6vw,72px)}.hero h1 em{color:var(--gold2);font-style:normal}
.hero p{font-size:18px;color:#edf4fb;max-width:610px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.section{padding:82px 0}.section.alt{background:var(--paper)}.section.navy{background:var(--navy);color:#fff}
.section-head{max-width:700px;margin-bottom:36px}.section-head p{color:var(--muted)}.navy .section-head p{color:#d6e3f1}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);padding:28px;border-radius:10px;box-shadow:0 5px 22px rgba(8,42,76,.05)}
.card.dark{background:#0a4179;border-color:#2a6090;color:#fff}.card h3{font-size:22px}.card p{color:var(--muted)}.dark p{color:#d8e6f2}
.icon{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#fff5d9;color:#9b6b10;font-weight:900;margin-bottom:18px}
.cards-link{margin-top:15px;color:#a87818;font-weight:800}.dark .cards-link{color:var(--gold2)}
.commodity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.commodity{min-height:190px;padding:24px;border-radius:10px;background:linear-gradient(135deg,#0b477f,#072f5b);color:#fff;border:1px solid #27628f;display:flex;flex-direction:column;justify-content:end}
.commodity strong{font-size:21px;font-family:Georgia}.commodity small{color:#e6bf67}
.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.panel{padding:42px;border-radius:12px;background:linear-gradient(135deg,#e1ae43,#a87315);color:#fff;box-shadow:var(--shadow)}
.panel ul{padding-left:20px}.panel li{margin:8px 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.step{padding:22px;text-align:center}.step .num{margin:auto auto 12px;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--gold);font-weight:900}
.cta{background:linear-gradient(120deg,var(--navy2),var(--navy));color:#fff;padding:60px 0}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
footer{background:#042a50;color:#dce8f4;border-top:3px solid var(--gold)}footer .foot{padding:44px 0;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}footer h4{color:var(--gold2);margin:0 0 10px}footer a{display:block;margin:7px 0;color:#dce8f4;font-size:14px}.copy{border-top:1px solid #28547a;padding:16px 0;font-size:12px;display:flex;justify-content:space-between}
.page-hero{background:linear-gradient(120deg,var(--navy2),var(--navy));color:#fff;padding:85px 0}.page-hero h1{font-size:54px}.breadcrumbs{font-size:13px;color:#d3e0ed;margin-bottom:14px}
form{display:grid;gap:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}input,textarea,select{width:100%;padding:14px;border:1px solid #d5dce4;border-radius:7px;font:inherit}textarea{min-height:150px}
.notice{padding:15px 18px;background:#fff8e6;border-left:4px solid var(--gold);font-size:14px;color:#5d4a22}
@media(max-width:900px){nav{display:none}.grid4,.grid3,.commodity-grid,.steps,.split{grid-template-columns:1fr 1fr}.hero{min-height:560px}.cta-inner{flex-direction:column;align-items:flex-start}footer .foot{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid4,.grid3,.commodity-grid,.steps,.split,.form-grid{grid-template-columns:1fr}.hero h1{font-size:43px}.section{padding:60px 0}.brand small{display:none}.top{display:none}.page-hero h1{font-size:42px}}

.commodity.photo{position:relative;min-height:230px;overflow:hidden;background-size:cover;background-position:center;border:0}
.commodity.photo:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(3,34,65,.95),rgba(3,34,65,.05) 75%)}
.commodity.photo>*{position:relative;z-index:1}

.menu-toggle{display:none;font:inherit;border:1px solid var(--line);background:white;color:var(--navy);border-radius:7px;padding:10px 14px;cursor:pointer}
.brand-mark{flex-shrink:0} .brand{min-width:0} .nav>.brand{max-width:330px} .nav>.btn{flex-shrink:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b17d19;outline-offset:4px}
@media(max-width:1100px){.nav{height:auto;min-height:78px;flex-wrap:wrap;padding:12px 0;gap:12px}.menu-toggle{display:block;margin-left:auto}nav{display:none;width:100%;order:4;flex-wrap:wrap;padding:12px 0}nav.is-open{display:flex}.nav>.btn{padding:10px 12px}}
@media(max-width:600px){.nav>.brand{max-width:65%;font-size:12px;line-height:1.4}.nav>.btn{display:none}.brand-mark{width:38px;height:38px;font-size:20px}footer .foot{grid-template-columns:1fr}.copy{flex-direction:column;gap:8px}.panel{padding:26px}.steps{grid-template-columns:1fr 1fr}.hero-inner{padding:60px 0}}