/* Petroleum Intelligence — static, responsive, dependency-free. */
:root{color-scheme:dark;--bg:#07131e;--panel:#101e2a;--gold:#edbd63;--text:#f4f5f4;--muted:#b0bac3;--line:rgba(231,187,104,.24)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:6px}.wrap{width:min(1240px,calc(100% - 96px));margin-inline:auto}.skip{position:absolute;top:-100px;z-index:10;background:var(--gold);color:#07131e;padding:12px}.skip:focus{top:10px}.header{min-height:105px;padding:20px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;border-bottom:1px solid var(--line);background:#06131d}.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}.brand img{object-fit:contain}.brand span{font-size:17px;font-weight:800;letter-spacing:1.6px;line-height:1.3}.brand strong{display:block;color:var(--gold);font-size:14px;letter-spacing:2.6px}nav{display:flex;align-items:center;gap:32px;font-size:14px}nav a{transition:color .2s}nav a:hover,.text-link:hover{color:var(--gold)}.nav-contact{border-radius:8px;border:1px solid var(--line);padding:11px 18px}.hero{min-height:675px;position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:center;overflow:hidden}.hero-image{position:absolute;inset:0;z-index:-2;background:url('assets/terminal.webp') center 53%/cover no-repeat}.hero:before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(3,15,26,.94),rgba(4,17,29,.7) 42%,rgba(3,15,26,.1) 78%),linear-gradient(0deg,#07131e,transparent 30%,rgba(4,15,25,.16))}.hero-content{padding-block:105px 140px}.eyebrow{color:var(--gold);font-size:12px;font-weight:700;letter-spacing:2.6px;margin:0 0 25px}.eyebrow:before{content:'';display:inline-block;vertical-align:middle;width:28px;height:1px;background:var(--gold);margin-right:12px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,4.5vw,68px);line-height:1.08;letter-spacing:-2.5px;max-width:850px;margin-bottom:28px}em{font-style:normal;color:var(--gold)}.hero-copy{color:#d4d9dc;font-size:18px;line-height:1.75;margin-bottom:32px}.hero-actions{display:flex;align-items:center;gap:32px}.button{border-radius:8px;display:inline-flex;justify-content:center;align-items:center;min-height:53px;background:linear-gradient(120deg,#f3d28e,#dea74b);color:#0b1720;padding:15px 27px;font-size:14px;font-weight:700;border:1px solid #f3d28e;transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-2px);box-shadow:0 8px 30px #d8a34530}.text-link{font-size:14px;border-bottom:1px solid #be965b;padding-bottom:5px;transition:color .2s}.hero-bottom{position:absolute;bottom:26px;left:0;right:0;display:flex;justify-content:space-between;font-size:11px;letter-spacing:1.8px;color:#c7ccd0}.hero-bottom span:last-child{letter-spacing:.5px;color:#a7b0b9}.commodity-bar{display:flex;align-items:center;justify-content:center;gap:45px;border-block:1px solid var(--line);padding:22px 24px;background:#0b1925}.commodity-bar>span{font-size:11px;letter-spacing:2px;color:#8f9da9}.commodity-bar p{margin:0;font-size:14px;font-weight:700;letter-spacing:2px;word-spacing:8px}.commodity-bar i{color:var(--gold);font-size:11px;font-style:normal;margin:0 19px}.section{padding-block:100px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:42px}h2{font-size:clamp(32px,3.15vw,46px);line-height:1.15;letter-spacing:-1.4px;margin-bottom:0}.section-heading>p{font-size:15px;color:var(--muted);margin-bottom:3px}.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:1fr;gap:18px}.product{position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:265px;padding:27px;border:1px solid var(--line);background:linear-gradient(135deg,#142433d9,#0b1823e6);transition:border-color .25s,transform .25s}.product:hover{border-color:#dfb568;transform:translateY(-4px)}.product-body{margin-top:auto;padding-top:28px}.product h3{font-size:32px;line-height:1.1;letter-spacing:-1px;margin-bottom:15px}.product p{font-size:14px;color:#b9c3cc;line-height:1.65;max-width:300px}.about{background:linear-gradient(120deg,#0c1b28,#091620);border-block:1px solid #ffffff08}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:85px;align-items:center}.about-image{position:relative;min-height:465px;border:1px solid var(--line);height:100%;overflow:hidden}.about-image img{height:100%;width:100%;object-fit:cover;position:absolute;object-position:67% center}.about-image:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 40%,#06121df0)}.image-caption{position:absolute;bottom:32px;left:30px;z-index:1}.image-caption span{display:block;color:var(--gold);font-size:10px;letter-spacing:2.4px}.image-caption strong{font-size:26px}.about-copy h2{margin-bottom:27px}.about-copy>p:not(.eyebrow){font-size:16px;color:var(--muted)}.about-note{border-left:2px solid var(--gold);padding-left:20px;margin:28px 0}.about-note span{display:block;color:var(--gold);font-size:10px;letter-spacing:2px;margin-bottom:7px}.about-note strong{font-size:14px;font-weight:400}.steps{list-style:none;padding:0;margin:50px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:45px}.steps li{border-top:1px solid var(--line);padding-top:25px}.step-number{font-size:38px;font-weight:700;color:var(--gold);display:block;margin-bottom:16px}.steps h3{font-size:20px;margin-bottom:12px}.steps p{font-size:15px;color:var(--muted);max-width:330px}.inquiry{border:1px solid #b7914c80;background:linear-gradient(90deg,#142430fa,#142430c9),url('assets/terminal.webp') center/cover;padding:55px;display:flex;justify-content:space-between;align-items:center;gap:35px}.inquiry h2{font-size:44px}.inquiry p:not(.eyebrow){color:var(--muted);margin:20px 0 0;font-size:15px}.inquiry-action{display:flex;flex-direction:column;align-items:center;gap:14px;flex-shrink:0}.inquiry-action span{font-size:12px;color:var(--muted)}footer{padding-top:65px}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:25px;padding-bottom:35px}.footer-top>p{font-size:13px;color:var(--muted);margin:0}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #ffffff12;padding-block:24px;font-size:11px;color:#94a1ad}
@media(min-width:1600px){.hero{min-height:750px}.hero-image{background-position:center 58%}}
@media(max-width:1050px){.header{padding-inline:28px}nav{gap:20px}.wrap{width:calc(100% - 56px)}.brand span{font-size:14px}.brand strong{font-size:12px}nav .nav-contact{padding:9px 12px}.hero{min-height:610px}.commodity-bar{gap:20px}.commodity-bar i{margin:0 8px}.about-grid{gap:40px}.product{padding:22px}.section{padding-block:75px}.inquiry{padding:40px}.footer-top>p{display:none}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.header{padding:16px 20px;flex-wrap:wrap;gap:18px;justify-content:center}.brand img{width:49px;height:50px}.brand span{font-size:15px}nav{width:100%;justify-content:center;gap:30px;font-size:13px}.hero{min-height:640px}.hero-image{background-position:62% center}.hero:before{background:linear-gradient(90deg,#051420d9,#05142075),linear-gradient(0deg,#07131e,transparent 55%)}.hero-content{padding-block:85px 125px}h1{font-size:44px;letter-spacing:-1.9px;line-height:1.12}.hero-copy{font-size:16px}.hero-actions{align-items:flex-start;flex-direction:column;gap:23px}.hero-bottom{font-size:9px;letter-spacing:1.3px}.hero-bottom span:last-child{display:none}.desktop{display:none}.commodity-bar{padding:20px 12px;display:block;text-align:center}.commodity-bar>span{display:block;margin-bottom:10px}.commodity-bar p{font-size:10px;letter-spacing:.8px;word-spacing:0}.commodity-bar i{margin:0 7px;font-size:8px}.section{padding-block:60px}.eyebrow{font-size:10px;letter-spacing:2px;margin-bottom:19px}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:22px;font-size:14px}h2{font-size:35px}.products{grid-template-columns:1fr;gap:14px}.product{min-height:245px;padding:25px}.product-body{padding-top:32px}.product p{max-width:none}.about-grid{grid-template-columns:1fr;gap:36px}.about-image{height:340px;min-height:0}.about-copy>p:not(.eyebrow){font-size:15px}.steps{grid-template-columns:1fr;gap:22px;margin-top:32px}.steps li{padding:20px 0 0 62px;position:relative}.step-number{position:absolute;left:0;top:17px;font-size:28px}.steps p{max-width:none}.inquiry{padding:32px 25px;flex-direction:column;align-items:flex-start;gap:27px}.inquiry h2{font-size:35px}.inquiry-action{align-items:flex-start}footer{padding-top:45px}.footer-top{align-items:flex-start;flex-direction:column;gap:24px}.footer-bottom{gap:20px;font-size:10px}.footer-bottom span{max-width:230px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

.back-to-top{position:fixed;right:24px;bottom:24px;z-index:20;width:50px;height:50px;padding:0;border:1px solid var(--gold);border-radius:50%;background:#102231;color:var(--gold);font-size:26px;line-height:1;cursor:pointer;box-shadow:0 5px 24px #0006;transition:background .2s,transform .2s}.back-to-top:hover{background:#233c4d;transform:translateY(-3px)}.back-to-top[hidden]{display:none}

/* Each product uses its own cinematic image under a readable dark overlay. */
.product{isolation:isolate;min-height:300px;background:#10202d}
.product::before{content:'';position:absolute;inset:0;z-index:-2;background:var(--product-image) center/cover no-repeat;transition:transform .35s}
.product::after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(4,14,23,.08),rgba(4,14,23,.55) 35%,rgba(4,14,23,.95) 78%)}
.product:hover::before{transform:scale(1.045)}
.product-diesel{--product-image:url('assets/en590.webp')}
.product-jet{--product-image:url('assets/jet-a1.webp')}
.product-naphtha{--product-image:url('assets/naphtha.webp')}
.product-urea{--product-image:url('assets/urea-46.webp')}
.product-sulphur{--product-image:url('assets/sulphur.webp')}
.product h3{color:var(--text)}.product .grade{color:var(--gold);font-size:.65em;white-space:nowrap}.product p{color:#d3dce3;margin-bottom:0}
@media(max-width:700px){nav{flex-wrap:wrap;gap:12px 24px}.product{min-height:300px}}