:root{
  --red:#c4141e;--red-dark:#941018;--red-soft:#f7e8ea;
  --ink:#18212a;--ink-2:#28333d;--muted:#66727c;--line:#e5e9ec;
  --soft:#f5f7f8;--white:#fff;--max:1240px;
  --shadow:0 18px 50px rgba(24,33,42,.10);--shadow-sm:0 8px 24px rgba(24,33,42,.08);
  --radius:18px;--radius-sm:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#fff}
body{margin:0;color:var(--ink);background:#fff;font-family:"Segoe UI",Tahoma,Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
html[dir="rtl"] body{font-family:Tahoma,"Segoe UI",Arial,sans-serif}
a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button,input,textarea{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;inset-inline-start:12px;top:-80px;background:#fff;color:#111;padding:10px 14px;border-radius:8px;z-index:999}.skip-link:focus{top:12px}
.topbar{background:#18212a;color:#eef2f4;font-size:12px}.topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.top-contact{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.top-contact a,.top-contact span{opacity:.94}.top-contact svg{width:14px;height:14px;vertical-align:-2px;margin-inline-end:6px;fill:currentColor}
.lang-switch{display:flex;gap:5px;direction:ltr}.lang-switch button{border:0;border-radius:6px;background:#303a43;color:#fff;padding:5px 10px;font-size:11px;font-weight:800;cursor:pointer}.lang-switch button.active{background:var(--red)}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(229,233,236,.92)}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:245px}.brand img{width:58px;height:55px;object-fit:contain}.brand-name{font-size:21px;font-weight:900;line-height:1.1}.brand-en{font-size:11px;font-weight:900;letter-spacing:.15em;margin-top:3px}.brand-sub{font-size:9.5px;color:#6f7880;line-height:1.3;margin-top:4px;max-width:190px}
.nav-links{display:flex;align-items:center;gap:27px;font-size:13px;font-weight:800}.nav-links a{position:relative;padding:28px 0}.nav-links a::after{content:"";position:absolute;inset-inline:0;bottom:16px;height:2px;background:var(--red);transform:scaleX(0);transition:.18s}.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}.nav-cta{background:var(--red);color:#fff;border-radius:9px;padding:10px 16px;font-weight:800;font-size:12px;white-space:nowrap}.nav-cta:hover{background:var(--red-dark)}.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:42px;height:42px;font-size:21px;cursor:pointer}
.hero{position:relative;min-height:505px;overflow:hidden;background:#252b31;color:#fff;isolation:isolate}.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,13,17,.12),rgba(9,13,17,.28) 45%,rgba(9,13,17,.70));z-index:-1}.hero-bg{position:absolute;inset:0;z-index:-3;background-image:url('img/hero-refinery.webp');background-size:cover;background-position:center}.hero::before{content:"";position:absolute;inset-inline-start:-110px;bottom:-160px;width:420px;height:580px;background:linear-gradient(135deg,rgba(196,20,30,.94),rgba(196,20,30,.20));clip-path:polygon(0 0,52% 0,100% 100%,0 100%);z-index:-1}.hero-worker{position:absolute;inset-inline-end:1.8%;bottom:0;height:96%;width:auto;max-width:24vw;object-fit:contain;z-index:-1;filter:drop-shadow(0 10px 25px rgba(0,0,0,.28))}.hero .container{min-height:505px;display:flex;align-items:center}.hero-copy{width:min(610px,62%);margin-inline-start:auto;padding:62px 0}.hero-kicker{color:#ff4450;font-weight:900;font-size:17px;margin-bottom:8px}.hero h1{font-size:clamp(38px,4.4vw,64px);line-height:1.15;margin:0 0 15px;font-weight:900;letter-spacing:-.02em}.hero p{font-size:17px;max-width:590px;color:#f1f3f5;margin:0 0 26px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:900;font-size:13px;transition:.2s;cursor:pointer}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px)}.btn-ghost{border-color:rgba(255,255,255,.75);color:#fff;background:rgba(0,0,0,.13)}.btn-ghost:hover{background:#fff;color:var(--ink)}
html[dir="ltr"] .hero-copy{margin-inline-start:0;margin-inline-end:auto}html[dir="ltr"] .hero::after{background:linear-gradient(270deg,rgba(9,13,17,.12),rgba(9,13,17,.28) 45%,rgba(9,13,17,.70))}
.scope-strip{background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}.scope-grid{display:grid;grid-template-columns:repeat(4,1fr);min-height:112px}.scope-item{display:flex;align-items:center;gap:14px;padding:22px 24px;border-inline-end:1px solid var(--line)}.scope-item:last-child{border-inline-end:0}.scope-icon{width:45px;height:45px;border-radius:50%;background:var(--red-soft);display:grid;place-items:center;color:var(--red);font-size:20px;font-weight:900;flex:0 0 auto}.scope-item strong{display:block;font-size:14px}.scope-item span{display:block;color:var(--muted);font-size:12px;margin-top:2px;line-height:1.55}
.section{padding:80px 0}.section.soft{background:var(--soft)}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:34px}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--red);font-size:13px;font-weight:900;margin-bottom:6px}.eyebrow::before{content:"";width:34px;height:2px;background:var(--red)}.section h2,.page-hero h1{margin:0;font-size:clamp(30px,3.2vw,44px);line-height:1.2;font-weight:900}.lead{color:var(--muted);font-size:16px;margin:10px 0 0;max-width:740px}.text-link{color:var(--red);font-size:13px;font-weight:900;white-space:nowrap}.text-link:hover{text-decoration:underline}
.business-layout{display:grid;grid-template-columns:330px 1fr;gap:38px;align-items:start}.business-intro{position:sticky;top:115px}.business-intro p{color:var(--muted)}.scope-note{margin-top:22px;border-inline-start:3px solid var(--red);background:#fff;padding:13px 16px;border-radius:8px;box-shadow:var(--shadow-sm);font-size:12px;color:#59636c}.sector-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.sector-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;box-shadow:0 7px 18px rgba(24,33,42,.05);transition:.25s}.sector-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.sector-card img{width:100%;height:174px;object-fit:cover}.sector-body{padding:18px}.sector-body h3{margin:0 0 8px;font-size:17px}.sector-body p{font-size:13px;color:var(--muted);margin:0;min-height:68px}.sector-more{display:inline-block;color:var(--red);font-weight:900;font-size:12px;margin-top:12px}
.dark-band{background:#171f26 url('img/hero-refinery.webp') center/cover no-repeat;color:#fff;position:relative;isolation:isolate}.dark-band::before{content:"";position:absolute;inset:0;background:rgba(13,19,24,.88);z-index:-1}.dark-grid{display:grid;grid-template-columns:repeat(4,1fr)}.dark-item{padding:30px 26px;border-inline-end:1px solid rgba(255,255,255,.16)}.dark-item:last-child{border-inline-end:0}.dark-item strong{display:block;font-size:17px;margin-bottom:5px}.dark-item span{font-size:12px;color:#cbd3d8}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.about-visual{min-height:390px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(196,20,30,.05),rgba(255,255,255,.15)),url('img/sector-industrial.webp') center/cover no-repeat;position:relative;box-shadow:var(--shadow);overflow:hidden}.about-visual::after{content:"";position:absolute;inset-inline-start:-60px;bottom:-100px;width:260px;height:360px;background:rgba(196,20,30,.90);transform:skewX(-18deg)}.about-badge{position:absolute;inset-inline-end:20px;bottom:20px;background:#fff;padding:13px 16px;border-radius:10px;font-weight:900;font-size:12px;box-shadow:var(--shadow-sm);z-index:2}.about-copy p{color:var(--muted)}.checks{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:24px 0}.check{font-size:13px;font-weight:800;display:flex;gap:8px;align-items:center}.check::before{content:"✓";display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:var(--red-soft);color:var(--red);font-weight:900}
.brand-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.brand-chip{min-height:76px;border:1px solid var(--line);border-radius:10px;background:#fff;display:grid;place-items:center;text-align:center;padding:13px;font-weight:900;color:#35404a;box-shadow:0 4px 12px rgba(24,33,42,.04)}.disclaimer{margin-top:16px;font-size:12px;color:#7a838a;border-inline-start:3px solid #c9cfd3;padding-inline-start:12px}
.contact-cta{background:linear-gradient(105deg,var(--red-dark),var(--red));color:#fff;padding:34px 0}.contact-cta .container{display:flex;align-items:center;justify-content:space-between;gap:26px}.contact-cta h2{font-size:26px;margin:0 0 4px}.contact-cta p{margin:0;color:#ffecef}.contact-cta .btn{background:#fff;color:var(--red-dark)}
.page-hero{padding:76px 0;background:linear-gradient(105deg,#f3f5f6,#fff);border-bottom:1px solid var(--line);position:relative;overflow:hidden}.page-hero::after{content:"S";position:absolute;inset-inline-end:5%;top:-65px;font-size:240px;font-weight:900;color:rgba(196,20,30,.04);line-height:1}.page-hero p{max-width:760px;color:var(--muted);font-size:16px;margin:12px 0 0}.page-hero .crumb{font-size:12px;color:var(--red);font-weight:900;margin-bottom:10px}
.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;padding:24px;box-shadow:0 5px 16px rgba(24,33,42,.05)}.feature-card h3{margin:0 0 9px;font-size:18px}.feature-card p{margin:0;color:var(--muted);font-size:13px}.feature-card ul{margin:14px 0 0;padding-inline-start:20px;color:#525e67;font-size:13px}.feature-card li{margin:6px 0}.feature-card .tag{display:inline-block;background:var(--red-soft);color:var(--red);font-size:10px;font-weight:900;padding:4px 8px;border-radius:999px;margin-bottom:12px}
.fields-full{display:grid;gap:22px}.field-row{display:grid;grid-template-columns:380px 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 5px 18px rgba(24,33,42,.05)}.field-row img{width:100%;height:100%;min-height:265px;object-fit:cover}.field-content{padding:30px}.field-content h2{font-size:28px}.field-content p{color:var(--muted)}.field-content ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 22px;padding:0;list-style:none;margin:18px 0 0}.field-content li{position:relative;padding-inline-start:19px;font-size:13px}.field-content li::before{content:"";position:absolute;inset-inline-start:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--red)}
.network-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.network-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}.network-card strong{display:block;font-size:18px;margin-bottom:5px}.network-card span{display:block;color:var(--muted);font-size:13px}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px}.contact-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}.contact-list{display:grid;gap:23px}.contact-item{border-bottom:1px solid var(--line);padding-bottom:18px}.contact-item:last-child{border-bottom:0;padding-bottom:0}.contact-item strong{display:block;color:var(--red);font-size:12px;margin-bottom:5px}.contact-item a,.contact-item span{font-size:16px;font-weight:700}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid .full{grid-column:1/-1}.form-grid input,.form-grid textarea{width:100%;border:1px solid #dce2e6;border-radius:9px;background:#fbfcfc;padding:12px 14px;outline:none;color:var(--ink)}.form-grid textarea{min-height:150px;resize:vertical}.form-grid input:focus,.form-grid textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(196,20,30,.07)}
.footer{background:#1b242c;color:#e9eef1;padding:50px 0 18px}.footer .brand{min-width:0}.footer .brand-name{color:#fff}.footer .brand-en{color:#d5dde1}.footer-grid{display:grid;grid-template-columns:1.6fr .9fr 1fr;gap:54px}.footer h4{margin:0 0 15px;color:#fff}.footer-desc{font-size:13px;color:#bfc8cd;max-width:390px}.footer-links{display:grid;gap:8px;font-size:13px;color:#cbd3d7}.footer-links a:hover{color:#fff}.footer-bottom{margin-top:34px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:20px;color:#95a2aa;font-size:11px}
@media(max-width:1060px){.nav-links{gap:16px}.nav-cta{display:none}.business-layout{grid-template-columns:1fr}.business-intro{position:static}.sector-grid{grid-template-columns:repeat(2,1fr)}.scope-grid{grid-template-columns:repeat(2,1fr)}.scope-item:nth-child(2){border-inline-end:0}.scope-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.field-row{grid-template-columns:320px 1fr}.feature-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.container{width:min(100% - 28px,var(--max))}.top-contact span{display:none}.top-contact{gap:12px}.top-contact a:nth-child(3){display:none}.nav{min-height:70px}.brand{min-width:0}.brand img{width:48px;height:47px}.brand-sub{display:none}.menu-btn{display:block}.nav-links{position:absolute;top:70px;inset-inline:14px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px}.nav-links.open{display:flex}.nav-links a{padding:12px 3px;border-bottom:1px solid #f0f2f3}.nav-links a:last-child{border-bottom:0}.nav-links a::after{display:none}.hero,.hero .container{min-height:560px}.hero-copy{width:100%;padding:60px 0 200px}.hero h1{font-size:42px}.hero-worker{height:47%;max-width:42vw}.section{padding:60px 0}.about-grid{grid-template-columns:1fr}.about-visual{min-height:330px}.dark-grid{grid-template-columns:repeat(2,1fr)}.dark-item:nth-child(2){border-inline-end:0}.dark-item:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.16)}.brand-wall{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.contact-grid{grid-template-columns:1fr}.field-row{grid-template-columns:1fr}.field-row img{height:260px}.network-grid{grid-template-columns:1fr}.contact-cta .container{align-items:flex-start;flex-direction:column}.feature-cards{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.topbar-inner{align-items:flex-start;padding:6px 0}.top-contact{display:grid;gap:2px}.top-contact a{font-size:10px}.lang-switch button{padding:4px 8px}.brand-name{font-size:18px}.brand-en{font-size:9px}.hero,.hero .container{min-height:590px}.hero-copy{padding:48px 0 230px}.hero h1{font-size:34px}.hero p{font-size:14px}.hero-worker{height:43%;max-width:58vw;inset-inline-end:-3%}.scope-grid{grid-template-columns:1fr}.scope-item{border-inline-end:0;border-bottom:1px solid var(--line)!important}.scope-item:last-child{border-bottom:0!important}.sector-grid{grid-template-columns:1fr}.sector-card img{height:190px}.dark-grid{grid-template-columns:1fr}.dark-item{border-inline-end:0;border-bottom:1px solid rgba(255,255,255,.16)!important}.dark-item:last-child{border-bottom:0!important}.section-head{align-items:flex-start;flex-direction:column}.brand-wall{grid-template-columns:repeat(2,1fr)}.checks{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.field-content ul{grid-template-columns:1fr}.feature-cards{grid-template-columns:1fr}.page-hero{padding:55px 0}.page-hero h1{font-size:34px}.contact-cta h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}