:root{--navy:#071c33;--blue:#0e4d80;--steel:#6f8192;--gold:#c5a253;--pale:#edf3f7;--white:#fff;--ink:#142331;--muted:#5d6b78;--line:#dbe3e8;--shadow:0 18px 55px rgba(7,28,51,.12)}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--white);font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:17px;line-height:1.65}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.eyebrow{display:flex;align-items:center;gap:10px;color:var(--gold);font-size:.75rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.eyebrow:before{content:"";width:28px;height:2px;background:currentColor}
.skip{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px;z-index:100}
.skip:focus{left:8px}
.topbar{background:#041426;color:#b9c6d0;font-size:.78rem}
.topbar .container{display:flex;justify-content:space-between;padding:7px 0}
.topbar a:hover{color:#fff}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(219,227,232,.9);backdrop-filter:blur(14px)}
.header-row{height:90px;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;width:215px;height:78px;overflow:hidden;flex:0 0 215px}
.brand img{width:215px;height:78px;object-fit:cover;object-position:center}
.nav{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav a{font-size:.84rem;font-weight:750;color:#314252;padding:30px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a.active{color:var(--blue);border-color:var(--gold)}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:4px}
.nav .header-action{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 14px;border:1px solid var(--navy);border-radius:3px;font-size:.76rem;font-weight:850;line-height:1;white-space:nowrap}
.nav .header-inquiry{background:var(--navy);color:#fff}
.nav .header-inquiry:hover{background:var(--gold);border-color:var(--gold);color:var(--navy);transform:translateY(-1px)}
.nav .header-whatsapp{background:#168a57;border-color:#168a57;color:#fff}
.nav .header-whatsapp:hover{background:#0f7045;border-color:#0f7045;color:#fff;transform:translateY(-1px)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px}
.lang button{border:0;background:transparent;color:var(--muted);padding:5px 8px;border-radius:999px;font-size:.74rem;font-weight:800;cursor:pointer}
.lang button.active{background:var(--navy);color:#fff}
.menu{display:none;border:0;background:var(--navy);color:#fff;width:42px;height:42px;border-radius:4px}
.hero{min-height:690px;display:grid;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(4,20,38,.97) 0%,rgba(4,20,38,.83) 52%,rgba(4,20,38,.3) 100%),url('refinery.jpg') center/cover}
.hero-copy{max-width:760px;padding:95px 0}
.hero h1,.page-hero h1{font-size:clamp(2.7rem,5vw,4.75rem);line-height:1.04;letter-spacing:-.04em;margin:22px 0}
.hero h1 span{color:#d3b668}
.hero p{font-size:1.16rem;color:#d9e2e8;max-width:670px}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;padding:13px 20px;border:1px solid var(--gold);background:var(--gold);color:#071c33;font-weight:850;font-size:.88rem;letter-spacing:.02em}
.btn:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn.secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn.dark{background:var(--navy);border-color:var(--navy);color:#fff}
.trustbar{background:var(--navy);color:#fff}
.trustgrid{display:grid;grid-template-columns:repeat(4,1fr)}
.trustitem{padding:24px 26px;border-right:1px solid rgba(255,255,255,.12)}
.trustitem:last-child{border:0}
.trustitem strong{display:block;color:#d5b86b;font-size:1.15rem}
.trustitem span{font-size:.82rem;color:#bbc8d2}
.section{padding:96px 0}
.section.alt{background:var(--pale)}
.section.dark{background:var(--navy);color:#fff}
.intro-grid,.split{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.section h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1.08;letter-spacing:-.035em;margin:15px 0 24px;color:var(--navy)}
.split h2{font-size:clamp(2rem,3.2vw,2.85rem)}
.section.dark h2{color:#fff}
.lead{font-size:1.12rem;color:var(--muted)}
.section.dark .lead{color:#c4d0d9}
.image-frame{position:relative}
.image-frame img{width:100%;height:500px;object-fit:cover;box-shadow:var(--shadow)}
.image-frame:after{content:"";position:absolute;right:-18px;bottom:-18px;width:44%;height:42%;border-right:5px solid var(--gold);border-bottom:5px solid var(--gold);z-index:-1}
.stat-card{background:#fff;padding:28px;box-shadow:var(--shadow);border-top:4px solid var(--gold)}
.stat-card strong{display:block;font-size:2.4rem;color:var(--navy);line-height:1}
.stat-card span{color:var(--muted);font-size:.88rem}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:42px}
.card{background:#fff;border:1px solid var(--line);padding:30px;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card .num{color:var(--gold);font-size:.72rem;font-weight:900;letter-spacing:.15em}
.card h3{color:var(--navy);font-size:1.28rem;line-height:1.25;margin:16px 0 10px}
.card p{color:var(--muted);font-size:.94rem;margin:0}
.card a{display:inline-block;margin-top:18px;color:var(--blue);font-weight:800;font-size:.84rem}
.material-grid{display:grid;grid-template-columns:repeat(5,1fr);margin-top:42px;border:1px solid rgba(255,255,255,.15)}
.material{min-height:250px;padding:28px 22px;border-right:1px solid rgba(255,255,255,.15);display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,transparent,rgba(0,0,0,.18))}
.material:last-child{border:0}
.material b{color:#d8bb70;font-size:1.05rem}
.material small{color:#bfcbd4;margin-top:8px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:42px}
.step{position:relative;padding-top:22px;border-top:3px solid var(--line)}
.step:before{content:"";position:absolute;top:-6px;left:0;width:9px;height:9px;background:var(--gold);border-radius:50%}
.step b{display:block;color:var(--navy);margin-bottom:8px}
.step p{font-size:.9rem;color:var(--muted);margin:0}
.cta{padding:62px 0;background:linear-gradient(110deg,#0c3f69,#071c33);color:#fff}
.cta-row{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta h2{color:#fff;font-size:clamp(1.8rem,4vw,3rem);margin:0 0 8px}
.cta p{margin:0;color:#c9d5de}
.page-hero{padding:105px 0;background:linear-gradient(115deg,#06192d,#0a3b63);color:#fff;position:relative;overflow:hidden}
.page-hero:after{content:"V";position:absolute;right:2%;top:-42%;font-size:28rem;font-weight:900;color:rgba(255,255,255,.035);line-height:1}
.page-hero h1{font-size:clamp(2.7rem,5vw,4.7rem);max-width:850px}
.page-hero p{max-width:720px;color:#c9d5de;font-size:1.1rem}
.checklist{list-style:none;padding:0;margin:24px 0}
.checklist li{padding:10px 0 10px 28px;position:relative;border-bottom:1px solid var(--line)}
.checklist li:before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:900}
.spec-table{width:100%;border-collapse:collapse;margin-top:30px}
.spec-table th,.spec-table td{text-align:left;padding:15px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{background:var(--navy);color:#fff;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.spec-table td:first-child{font-weight:800;color:var(--navy)}
.note{background:#f7f2e7;border-left:4px solid var(--gold);padding:20px 24px;color:#5b4b29;margin-top:28px}
.product-gallery-intro{margin-top:90px}
.product-gallery-intro h2{margin-bottom:16px}
.product-gallery{display:grid;grid-template-columns:repeat(auto-fit,288px);justify-content:center;gap:24px;margin-top:38px;margin-bottom:72px}
.product-visual{position:relative;width:288px;height:288px;margin:0;overflow:hidden;background:var(--navy);box-shadow:0 13px 34px rgba(7,28,51,.14);border-bottom:4px solid var(--gold)}
.product-visual img{width:288px;height:288px;object-fit:cover;transition:transform .45s ease,filter .3s ease}
.product-visual figcaption{position:absolute;left:0;right:0;bottom:0;padding:45px 18px 16px;color:#fff;background:linear-gradient(180deg,transparent,rgba(4,20,38,.97));display:flex;flex-direction:column;gap:3px}
.product-visual strong{font-size:1rem;line-height:1.2}
.product-visual span{color:#d4dee5;font-size:.73rem;line-height:1.35}
.product-visual:hover img{transform:scale(1.035);filter:saturate(1.05)}
.product-visual:last-child:nth-child(odd){grid-column:auto;max-width:none;justify-self:auto}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;margin-top:42px}
.contact-panel{background:var(--navy);color:#fff;padding:38px}
.contact-panel h3{font-size:1.6rem;margin-top:0}
.contact-panel a{display:block;color:#d5b86b;margin:11px 0}
.rfq-panel{border:1px solid var(--line);padding:38px}
.rfq-panel h3{margin-top:0;color:var(--navy)}
.footer{background:#041426;color:#9fb0bd;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:50px}
.footer img{width:205px;filter:brightness(0) invert(1);opacity:.92}
.footer h4{color:#fff;margin-top:0}
.footer a{display:block;margin:7px 0}
.footer a:hover{color:#fff}
.legal{border-top:1px solid rgba(255,255,255,.1);margin-top:35px;padding-top:20px;font-size:.78rem}
.reveal{animation:rise .6s ease both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}
to{opacity:1;transform:none}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}
}
@media(max-width:980px){.topbar{display:none}
.header-row{height:76px}
.brand{width:185px;height:68px;flex-basis:185px}
.brand img{width:185px;height:68px}
.menu{display:block;margin-left:auto}
.nav{display:none;position:absolute;left:0;right:0;top:76px;background:#fff;padding:18px 24px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:0}
.nav.open{display:flex}
.nav a{padding:10px 0;width:100%}
.header-actions{width:100%;margin:12px 0 0;flex-wrap:wrap}
.nav .header-action{width:auto;padding:12px 17px}
.intro-grid,.split,.contact-grid{grid-template-columns:1fr}
.card-grid{grid-template-columns:repeat(2,1fr)}
.material-grid{grid-template-columns:repeat(2,1fr)}
.material{border-bottom:1px solid rgba(255,255,255,.15)}
.trustgrid,.steps{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.hero{min-height:610px}
.hero-copy{padding:75px 0}
}
@media(max-width:620px){body{font-size:16px}
.container{width:min(100% - 28px,1180px)}
.lang{margin-left:0}
.hero h1{font-size:2.75rem}
.section{padding:70px 0}
.card-grid,.material-grid,.trustgrid,.steps,.footer-grid{grid-template-columns:1fr}
.trustitem{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
.cta-row{align-items:flex-start;flex-direction:column}
.image-frame img{height:360px}
.page-hero{padding:75px 0}
.spec-table{font-size:.84rem}
.spec-table th,.spec-table td{padding:10px}
.contact-panel,.rfq-panel{padding:26px}
.product-gallery-intro{margin-top:65px}
.product-gallery{grid-template-columns:repeat(auto-fit,minmax(260px,288px));gap:18px;margin-top:28px;margin-bottom:52px}
.product-visual,.product-visual img{width:min(288px,100%);height:288px}
.product-visual figcaption{padding:48px 20px 18px}
.product-visual strong{font-size:1.08rem}
}

/* Professional refinement */
body{overflow-x:hidden;background:#fff}
a,button{transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
a:focus-visible,button:focus-visible{outline:3px solid rgba(197,162,83,.55);outline-offset:3px}
.container{width:min(1200px,calc(100% - 48px))}
.topbar{letter-spacing:.015em}
.topbar .container{padding:8px 0}
.site-header{box-shadow:0 8px 30px rgba(7,28,51,.055)}
.header-row{height:92px}
.nav{gap:15px}
.nav a{font-size:.8rem;letter-spacing:.01em}
.nav .header-action{border-radius:999px;box-shadow:0 8px 20px rgba(7,28,51,.11)}
.lang{flex:0 0 auto;background:#f7f9fb}
.hero{min-height:650px;background-position:center}
.hero-copy{position:relative;padding:92px 0 105px}
.hero-copy:before{content:"";position:absolute;left:0;top:67px;width:74px;height:4px;background:var(--gold)}
.hero .eyebrow{margin-top:18px;color:#e2c676}
.hero h1{max-width:800px;text-wrap:balance}
.hero p{line-height:1.75}
.btn{min-height:48px;border-radius:3px;padding:13px 23px;box-shadow:0 9px 22px rgba(7,28,51,.12)}
.btn:hover{box-shadow:0 13px 28px rgba(7,28,51,.18)}
.btn.secondary{box-shadow:none}
.trustbar{border-top:1px solid rgba(255,255,255,.08)}
.trustitem{position:relative;padding:25px 28px}
.trustitem strong{font-size:1.08rem;letter-spacing:.01em}
.trustitem span{display:block;margin-top:2px}
.section{padding:100px 0}
.section.alt{background:linear-gradient(180deg,#f3f7fa 0%,#edf3f7 100%)}
.section h2{text-wrap:balance}
.lead{max-width:850px}
.image-frame{border-radius:2px}
.image-frame img{border-radius:2px}
.image-frame:before{content:"";position:absolute;left:-14px;top:-14px;width:74px;height:74px;border-left:4px solid var(--gold);border-top:4px solid var(--gold);z-index:-1}
.card-grid{gap:24px}
.card{position:relative;overflow:hidden;min-height:100%;border-top:3px solid transparent;padding:32px}
.card:after{content:"";position:absolute;left:0;bottom:0;width:0;height:3px;background:var(--gold);transition:width .25s ease}
.card:hover{border-top-color:var(--gold)}
.card:hover:after{width:100%}
.card .num{display:inline-flex;align-items:center;min-height:26px;color:#9b7624}
.card h3{margin-top:13px}
.card a{border-bottom:1px solid rgba(14,77,128,.25);padding-bottom:2px}
.supply-grid{grid-template-columns:repeat(4,1fr)}
.material-grid{overflow:hidden;border-radius:3px}
.material{position:relative;min-height:235px;transition:background-color .2s ease}
.material:hover{background-color:rgba(255,255,255,.045)}
.material b{font-size:1.12rem}
.steps{gap:26px}
.step{padding:25px 18px 0 0}
.step b{font-size:1.02rem}
.cta{position:relative;overflow:hidden;border-top:1px solid rgba(255,255,255,.08)}
.cta:after{content:"V";position:absolute;right:1%;top:-95px;font-size:20rem;font-weight:900;line-height:1;color:rgba(255,255,255,.035);pointer-events:none}
.cta-row{position:relative;z-index:1}
.cta h2{text-wrap:balance;max-width:820px}
.page-hero{padding:92px 0 98px;border-bottom:5px solid var(--gold);background:radial-gradient(circle at 88% 30%,rgba(27,93,141,.75),transparent 34%),linear-gradient(115deg,#05182b,#0a3b63)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{margin:18px 0 20px;text-wrap:balance}
.page-hero p{line-height:1.75}
.checklist li{padding:12px 10px 12px 30px}
.spec-table{display:block;overflow-x:auto;border:1px solid var(--line);border-radius:3px;box-shadow:0 12px 38px rgba(7,28,51,.07)}
.spec-table thead,.spec-table tbody{min-width:900px;display:table;width:100%;table-layout:fixed}
.spec-table th,.spec-table td{padding:17px 18px}
.spec-table th:first-child,.spec-table td:first-child{width:22%}
.spec-table th:nth-child(2),.spec-table td:nth-child(2){width:46%}
.spec-table tbody tr:nth-child(even){background:#f7fafc}
.spec-table tbody tr:hover{background:#eef5f9}
.note{border-radius:0 3px 3px 0;box-shadow:0 8px 24px rgba(91,75,41,.07)}
.contact-grid{gap:0;box-shadow:var(--shadow)}
.contact-panel{padding:45px;background:linear-gradient(145deg,#071c33,#0b3e65)}
.contact-panel a{width:max-content;max-width:100%;border-bottom:1px solid rgba(213,184,107,.35)}
.contact-panel p{color:#cfdae2}
.rfq-panel{padding:45px;background:#fff}
.footer{padding-top:66px}
.footer-grid{grid-template-columns:1.45fr .75fr 1fr}
.footer h4{position:relative;padding-bottom:12px}
.footer h4:after{content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;background:var(--gold)}
.footer p{max-width:470px}

@media(max-width:1120px){
  .topbar{display:none}
  .header-row{height:78px}
  .brand{width:195px;height:70px;flex-basis:195px}
  .brand img{width:195px;height:70px}
  .menu{display:block;margin-left:auto}
  .nav{display:none;position:absolute;left:0;right:0;top:78px;background:#fff;padding:18px 24px 24px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:0;border-top:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:10px 0;width:100%}
  .header-actions{width:100%;margin:12px 0 0;display:flex;gap:10px}
  .nav .header-action{width:auto;padding:12px 17px}
  .supply-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:620px){
  .container{width:min(100% - 30px,1200px)}
  .header-row{height:74px;gap:12px}
  .brand{width:168px;height:62px;flex-basis:168px}
  .brand img{width:168px;height:62px}
  .nav{top:74px}
  .menu{width:40px;height:40px}
  .hero{min-height:590px;background-position:62% center}
  .hero-copy{padding:78px 0 84px}
  .hero-copy:before{top:55px;width:58px}
  .hero h1{font-size:2.65rem}
  .hero p{font-size:1.03rem}
  .section{padding:72px 0}
  .section h2{font-size:2.15rem}
  .supply-grid{grid-template-columns:1fr}
  .card{padding:27px}
  .page-hero{padding:72px 0 78px}
  .page-hero h1{font-size:2.55rem}
  .contact-grid{box-shadow:none;gap:16px}
  .contact-panel,.rfq-panel{padding:28px}
  .cta{padding:52px 0}
}

/* Final responsive logo correction: preserve the complete symbol and wordmark. */
.site-header,
.header-row,
.brand{overflow:visible!important}

.header-row{height:126px!important;min-height:126px!important}

.brand{
  width:190px!important;
  height:auto!important;
  min-height:116px!important;
  flex:0 0 190px!important;
  padding:4px 0!important;
  margin:0!important;
  background:#fff!important;
}

.brand img{
  display:block!important;
  position:static!important;
  width:180px!important;
  height:auto!important;
  max-width:100%!important;
  max-height:none!important;
  margin:auto!important;
  object-fit:contain!important;
  object-position:center!important;
  transform:none!important;
}

@media(max-width:1120px){
  .header-row{height:118px!important;min-height:118px!important}
  .brand{width:172px!important;min-height:108px!important;flex-basis:172px!important}
  .brand img{width:160px!important;height:auto!important}
  .nav{top:118px!important}
}

@media(max-width:620px){
  .header-row{height:116px!important;min-height:116px!important;gap:8px!important}
  .brand{width:162px!important;min-height:106px!important;flex-basis:162px!important}
  .brand img{width:154px!important;height:auto!important}
  .nav{top:116px!important}
  .menu{margin-left:auto!important;flex:0 0 40px}
  .lang{flex:0 0 auto}
}