:root{--primary:#1246a0;--primary2:#0b2f6d;--accent:#f5a400;--dark:#071426;--muted:#64748b;--soft:#eef4ff;--white:#fff;--line:#e5ecf6;--shadow:0 24px 70px rgba(7,20,38,.12);--radius:26px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--dark);background:#f8fbff;line-height:1.65}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,92%);margin-inline:auto}.top-strip{background:linear-gradient(90deg,var(--primary2),var(--primary));color:#dbeafe;font-size:13px}.top-strip-inner{display:flex;justify-content:space-between;gap:18px;padding:9px 0}.top-links{display:flex;gap:18px}.top-links a{color:white}.navbar{background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(226,232,240,.75);position:sticky;top:0;z-index:50}.site-header.scrolled .navbar{box-shadow:0 12px 35px rgba(15,23,42,.08)}.nav-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand img{height:58px;width:auto}.nav-menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}.nav-menu a{padding:12px 14px;border-radius:999px;color:#334155;font-weight:700;font-size:14px}.nav-menu a:hover,.nav-menu a.active{color:var(--primary);background:#edf4ff}.nav-menu .nav-cta{background:var(--primary);color:white;padding-inline:20px}.nav-menu .nav-cta:hover,.nav-menu .nav-cta.active{background:var(--accent);color:#161616}.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;border-radius:12px}.nav-toggle span{display:block;height:3px;background:var(--dark);border-radius:4px;margin:6px}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 78% 20%,rgba(245,164,0,.28),transparent 25%),linear-gradient(135deg,#071426,#0b2f6d 55%,#1246a0);color:white}.hero::before{content:"";position:absolute;inset:0;background:url('../slider/bg1.jpg') center/cover;opacity:.28}.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,20,38,.95),rgba(7,20,38,.64),rgba(7,20,38,.25))}.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;min-height:710px;padding:90px 0}.eyebrow{display:inline-flex;gap:10px;align-items:center;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.18);font-weight:800;font-size:13px;color:#eaf2ff}.eyebrow::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--accent)}h1{font-size:clamp(42px,6vw,82px);line-height:.98;margin:20px 0;font-weight:900;letter-spacing:-.05em}.hero p{font-size:18px;color:#dbeafe;max-width:650px}.hero-actions,.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 22px;border-radius:999px;font-weight:900;border:1px solid transparent;transition:.2s ease}.btn-primary{background:var(--accent);color:#141414}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(245,164,0,.3)}.btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25);color:white}.btn-blue{background:var(--primary);color:white}.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:32px;padding:18px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}.hero-card img{border-radius:24px;aspect-ratio:1.25/1;object-fit:cover}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.stat{background:white;color:var(--dark);border-radius:20px;padding:18px}.stat strong{display:block;font-size:28px;color:var(--primary)}section{padding:90px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-head h2{font-size:clamp(30px,4vw,54px);line-height:1.05;margin:0;letter-spacing:-.04em}.section-head p{color:var(--muted);max-width:520px;margin:10px 0 0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 12px 36px rgba(15,23,42,.06);transition:.24s ease}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.icon-card img{width:74px;height:74px;object-fit:contain;margin-bottom:18px}.card h3{margin:0 0 8px;font-size:22px}.card p{color:var(--muted);margin:0}.product-card{overflow:hidden;padding:0}.product-card img{width:100%;height:240px;object-fit:cover}.product-card .content{padding:22px}.tag{display:inline-block;background:#eaf2ff;color:var(--primary);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900;margin-bottom:12px}.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}.image-stack{position:relative}.image-stack .main-img{border-radius:34px;box-shadow:var(--shadow);aspect-ratio:1.05/1;object-fit:cover}.floating-panel{position:absolute;right:-18px;bottom:26px;background:white;border:1px solid var(--line);box-shadow:var(--shadow);padding:18px 20px;border-radius:22px;max-width:270px}.floating-panel strong{color:var(--primary);font-size:26px}.features{display:grid;gap:14px;margin-top:24px}.feature{display:flex;gap:12px;align-items:flex-start;background:white;border:1px solid var(--line);padding:16px;border-radius:18px}.check{width:26px;height:26px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font-weight:900;flex:0 0 auto}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.gallery a,.gallery div{position:relative;overflow:hidden;border-radius:24px;background:white;border:1px solid var(--line);box-shadow:0 12px 30px rgba(15,23,42,.05)}.gallery img{width:100%;height:230px;object-fit:cover;transition:.35s}.gallery div:hover img{transform:scale(1.06)}.gallery span{position:absolute;left:14px;right:14px;bottom:14px;background:rgba(7,20,38,.82);color:white;border-radius:16px;padding:10px 12px;font-weight:800}.brands{background:white;border-block:1px solid var(--line)}.brand-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;align-items:center}.brand-item{background:#f8fbff;border:1px solid var(--line);border-radius:18px;padding:18px;display:grid;place-items:center;min-height:92px}.brand-item img{max-height:60px;object-fit:contain}.cta{background:linear-gradient(135deg,#0b2f6d,#1246a0);color:white;border-radius:38px;padding:54px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;overflow:hidden;position:relative}.cta::after{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;background:rgba(245,164,0,.28);border-radius:50%}.cta h2{font-size:clamp(30px,4vw,50px);margin:0}.cta p{color:#dbeafe;margin:8px 0 0}.page-hero{background:linear-gradient(135deg,rgba(7,20,38,.9),rgba(18,70,160,.84)),url('../slider/bg2.jpg') center/cover;color:white;padding:120px 0 90px}.page-hero h1{font-size:clamp(38px,5vw,68px);margin:10px 0}.breadcrumb{color:#c7d9ff}.article-card img{width:100%;height:210px;object-fit:cover;border-radius:20px;margin-bottom:18px}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}.form{background:white;border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}.form label{display:block;font-weight:800;margin:0 0 8px}.form input,.form textarea,.form select{width:100%;border:1px solid #d8e1ee;border-radius:16px;padding:14px 16px;margin-bottom:16px;font:inherit;background:#fbfdff}.form textarea{min-height:150px;resize:vertical}.map-img{border-radius:26px;border:1px solid var(--line);box-shadow:var(--shadow);width:100%}.footer{background:#071426;color:#cbd5e1;padding:70px 0 26px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:34px}.footer-logo{height:62px;background:white;border-radius:14px;padding:7px;margin-bottom:18px}.footer h4{color:white;margin:0 0 12px}.footer a{display:block;color:#cbd5e1;margin:8px 0}.footer a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:22px;display:flex;justify-content:space-between;gap:20px}.reveal{opacity:0;transform:translateY(22px);transition:.55s}.reveal.visible{opacity:1;transform:none}@media(max-width:950px){.top-strip{display:none}.nav-inner{height:74px}.nav-toggle{display:block}.nav-menu{display:none;position:absolute;left:4%;right:4%;top:74px;background:white;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:16px;flex-direction:column;align-items:stretch}.nav-menu.show{display:flex}.nav-menu a{display:block}.hero-inner,.split,.contact-grid,.cta{grid-template-columns:1fr}.hero-inner{min-height:auto;padding:70px 0}.grid-3,.grid-4{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:1fr 1fr}.brand-strip{grid-template-columns:repeat(3,1fr)}.section-head{display:block}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){section{padding:62px 0}.grid-3,.grid-4,.gallery,.brand-strip,.footer-grid{grid-template-columns:1fr}.hero-stats{grid-template-columns:1fr}.hero-card{padding:10px}.product-card img,.gallery img{height:210px}.floating-panel{position:static;margin-top:16px}.cta{padding:32px;border-radius:26px}.footer-bottom{display:block}.brand img{height:48px}}


/* Clickable cards and detail pages */
.card-link{display:block;color:inherit;height:100%}.card-link .read-more{display:inline-flex;margin-top:18px;font-weight:900;color:var(--primary)}.card-link:hover .read-more{color:var(--accent)}.lead{font-size:18px;color:var(--muted);max-width:680px}.btn-outline{background:white;color:var(--primary);border-color:var(--line)}.btn-outline:hover{border-color:var(--primary);transform:translateY(-2px)}.detail-hero{background-position:center;background-size:cover}.contain-img{object-fit:contain;background:white;padding:28px}.gallery a:hover img{transform:scale(1.06)}

/* Portfolio lightbox */
.lightbox{position:fixed;inset:0;background:rgba(7,20,38,.92);z-index:999;display:none;align-items:center;justify-content:center;padding:34px}.lightbox.show{display:flex}.lightbox img{max-width:min(1100px,88vw);max-height:82vh;border-radius:22px;box-shadow:0 28px 90px rgba(0,0,0,.45);background:white}.lightbox-close,.lightbox-prev,.lightbox-next{position:absolute;border:0;background:rgba(255,255,255,.14);color:white;border-radius:999px;display:grid;place-items:center;cursor:pointer;transition:.2s}.lightbox-close{top:22px;right:24px;width:48px;height:48px;font-size:34px}.lightbox-prev,.lightbox-next{top:50%;transform:translateY(-50%);width:54px;height:54px;font-size:42px}.lightbox-prev{left:24px}.lightbox-next{right:24px}.lightbox-close:hover,.lightbox-prev:hover,.lightbox-next:hover{background:var(--accent);color:#111}.lightbox-caption{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:white;padding:10px 18px;border-radius:999px;font-weight:800;backdrop-filter:blur(8px)}@media(max-width:620px){.lightbox{padding:18px}.lightbox-prev,.lightbox-next{width:44px;height:44px;font-size:34px}.lightbox-prev{left:10px}.lightbox-next{right:10px}.lightbox-close{top:12px;right:12px}.lightbox-caption{bottom:12px;max-width:88vw;text-align:center}}

/* Partners section */
.partners-section{background:linear-gradient(180deg,#f8fbff 0%,#eef4ff 100%);border-bottom:1px solid var(--line)}
.partners-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.partner-card{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center;background:white;border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:0 14px 40px rgba(15,23,42,.07);transition:.24s ease;min-height:170px}
.partner-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfe0ff}
.partner-logo-box{display:grid;place-items:center;background:#b40000;border-radius:22px;padding:24px;min-height:112px;overflow:hidden}
.partner-logo-box img{max-height:72px;width:auto;object-fit:contain}
.partner-content h3{font-size:26px;margin:0 0 8px;color:var(--dark)}
.partner-content p{margin:0;color:var(--muted);max-width:720px}
.partner-content span{display:inline-flex;margin-top:16px;font-weight:900;color:var(--primary)}
.partner-card:hover .partner-content span{color:var(--accent)}
@media(max-width:760px){.partner-card{grid-template-columns:1fr}.partner-logo-box{min-height:100px}.partner-logo-box img{max-height:58px}.partner-content h3{font-size:22px}}
.hero-stats .stat{display:block;cursor:pointer}.hero-stats .stat:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(7,20,38,.16)}.hero-stats .stat:focus-visible,.card-link:focus-visible{outline:3px solid var(--accent);outline-offset:4px}

/* Enhanced portfolio page */
.portfolio-hero{background:linear-gradient(135deg,rgba(7,20,38,.92),rgba(18,70,160,.80)),url('../portfolio/full/lubricants.jpg') center/cover}.portfolio-clients{background:#fff;border-bottom:1px solid var(--line)}.client-logo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.client-logo-card{background:#f8fbff;border:1px solid var(--line);border-radius:24px;min-height:128px;display:grid;place-items:center;padding:20px;box-shadow:0 12px 32px rgba(15,23,42,.06);transition:.25s ease}.client-logo-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.client-logo-card img{max-height:78px;width:auto;object-fit:contain}.portfolio-toolbar{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:-8px 0 34px}.portfolio-filter-btn{border:1px solid var(--line);background:#fff;color:var(--primary2);font:inherit;font-weight:900;border-radius:999px;padding:13px 20px;cursor:pointer;box-shadow:0 10px 26px rgba(15,23,42,.05);transition:.22s ease}.portfolio-filter-btn:hover,.portfolio-filter-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-2px)}.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.portfolio-card{background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:0 12px 34px rgba(15,23,42,.06);opacity:1;transform:scale(1) translateY(0);transition:opacity .32s ease,transform .32s ease,box-shadow .25s ease}.portfolio-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.portfolio-card.is-hidden{display:none}.portfolio-card.is-filtering-out{opacity:0;transform:scale(.88) translateY(18px);pointer-events:none}.portfolio-card.is-filtering-in{animation:portfolioCardIn .38s ease both}@keyframes portfolioCardIn{0%{opacity:0;transform:scale(.9) translateY(24px)}100%{opacity:1;transform:scale(1) translateY(0)}}.portfolio-zoom{display:block;position:relative;overflow:hidden}.portfolio-zoom img{width:100%;height:230px;object-fit:cover;transition:.35s ease}.portfolio-card:hover .portfolio-zoom img{transform:scale(1.08)}.portfolio-zoom::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(7,20,38,.72));opacity:.88}.zoom-badge{position:absolute;right:14px;bottom:14px;z-index:1;background:rgba(255,255,255,.92);color:var(--primary);border-radius:999px;padding:8px 13px;font-weight:900;font-size:13px}.portfolio-card-body{padding:20px}.portfolio-card-body h3{margin:9px 0 7px;font-size:21px}.portfolio-card-body p{margin:0;color:var(--muted);font-size:14px}.portfolio-type{display:inline-flex;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900}.portfolio-type.lubricants{background:#fff4d8;color:#8a5a00}.portfolio-type.automotive{background:#eaf2ff;color:var(--primary)}.portfolio-note{margin-top:34px;background:linear-gradient(135deg,#fff,#eef4ff);border:1px solid var(--line);border-radius:28px;padding:24px 28px;text-align:center}.portfolio-note p{margin:0;color:var(--muted);font-weight:600}.lightbox{position:fixed;inset:0;background:rgba(2,6,23,.88);z-index:100;display:none;align-items:center;justify-content:center;padding:70px 22px}.lightbox.show{display:flex}.lightbox img{max-width:min(1000px,92vw);max-height:78vh;object-fit:contain;border-radius:22px;box-shadow:0 24px 80px rgba(0,0,0,.4)}.lightbox-close,.lightbox-prev,.lightbox-next{position:absolute;border:0;background:rgba(255,255,255,.14);color:#fff;border-radius:999px;cursor:pointer;backdrop-filter:blur(10px);transition:.2s ease}.lightbox-close:hover,.lightbox-prev:hover,.lightbox-next:hover{background:var(--accent);color:#111}.lightbox-close{top:24px;right:24px;width:48px;height:48px;font-size:30px}.lightbox-prev,.lightbox-next{top:50%;transform:translateY(-50%);width:54px;height:54px;font-size:42px;line-height:1}.lightbox-prev{left:24px}.lightbox-next{right:24px}.lightbox-caption{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:10px 18px;font-weight:900;backdrop-filter:blur(10px)}@media(max-width:950px){.client-logo-grid{grid-template-columns:repeat(3,1fr)}.portfolio-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.client-logo-grid,.portfolio-grid{grid-template-columns:1fr}.portfolio-zoom img{height:220px}.lightbox-prev,.lightbox-next{width:44px;height:44px;font-size:34px}.lightbox-prev{left:10px}.lightbox-next{right:10px}.lightbox-caption{bottom:14px;max-width:86%;text-align:center}.portfolio-toolbar{justify-content:flex-start}}