:root{
  --navy:#073b66; --blue:#0b5fa5; --sky:#eaf4fb; --ink:#102a43;
  --muted:#5f7183; --line:#d9e5ee; --white:#fff; --soft:#f6f9fc;
  --shadow:0 14px 40px rgba(7,59,102,.09); --radius:18px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.65}
a{color:inherit;text-decoration:none} img{max-width:100%}
.container{width:min(1160px,92%);margin:auto}
.topbar{background:var(--navy);color:#dcecf8;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:8px 0}
header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);letter-spacing:.3px}
.brand small{display:block;font-size:10px;font-weight:600;color:var(--muted);letter-spacing:1.4px}
nav{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:650}
nav a{color:#36566f} nav a:hover,nav a.active{color:var(--blue)}
.menu{display:none;border:0;background:none;font-size:25px;color:var(--navy)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:10px;border:1px solid var(--blue);font-weight:750;font-size:14px;transition:.2s}
.btn.primary{background:var(--blue);color:white}.btn.primary:hover{background:var(--navy);transform:translateY(-1px)}
.btn.secondary{color:var(--blue);background:white}.btn.secondary:hover{background:var(--sky)}
.hero{background:linear-gradient(180deg,#f5fbff 0%,#fff 100%);padding:88px 0 72px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.eyebrow{display:inline-flex;padding:7px 11px;border:1px solid #c9e1f1;border-radius:999px;background:#f3f9fd;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.8px;text-transform:uppercase}
h1{font-size:clamp(42px,5.5vw,70px);line-height:1.03;letter-spacing:-2.5px;margin:18px 0}
h2{font-size:clamp(30px,4vw,46px);line-height:1.12;letter-spacing:-1.2px;margin:0 0 15px}
h3{line-height:1.25;margin:0 0 9px}
.lead{font-size:18px;color:#4d6579;max-width:680px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.section{padding:88px 0}.section.soft{background:var(--soft)}
.section-head{max-width:720px;margin-bottom:40px}.section-head p{color:var(--muted)}
.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;box-shadow:0 5px 18px rgba(7,59,102,.035)}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:.2s}
.icon{width:44px;height:44px;border-radius:12px;background:var(--sky);color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:17px}
.card p{color:var(--muted);font-size:14px;margin:0}
.kicker{font-size:12px;color:var(--blue);font-weight:800;text-transform:uppercase;letter-spacing:1px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.checks{display:grid;gap:13px;margin-top:25px}.check{display:flex;gap:12px;align-items:flex-start}.check b{color:var(--blue)}
.process{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:35px}
.step{padding:28px;border:1px solid var(--line);position:relative}.step:first-child{border-radius:18px 0 0 18px}.step:last-child{border-radius:0 18px 18px 0}
.step-num{font-size:12px;font-weight:850;color:var(--blue);letter-spacing:1px}
.taglist{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.tag{padding:8px 12px;border-radius:999px;background:#f2f7fb;border:1px solid #d7e6f0;font-size:13px;color:#36566f}
.cta{background:var(--navy);color:#fff;border-radius:26px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta p{color:#c9dceb;margin:6px 0 0}.cta .btn.secondary{border-color:#a9cce4}
.page-hero{padding:70px 0;background:#f5fbff;border-bottom:1px solid var(--line)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:15px}.page-hero h1{font-size:52px;margin:0 0 10px}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.product-card{padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff}
.product-card ul{padding-left:18px;color:var(--muted);font-size:14px;margin-bottom:0}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}.table{width:100%;border-collapse:collapse;min-width:700px}.table th,.table td{text-align:left;padding:16px;border-bottom:1px solid var(--line);font-size:14px}.table th{background:var(--soft);color:var(--navy)}
form{display:grid;gap:15px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
label{font-size:13px;font-weight:750}.input,textarea,select{width:100%;margin-top:7px;border:1px solid #cbdbe7;border-radius:10px;padding:13px 14px;font:inherit;color:var(--ink);background:#fff}textarea{min-height:150px;resize:vertical}
footer{background:#062f51;color:#dcecf8;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer-title{font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:1px;margin-bottom:15px;color:#fff}.footer-links{display:grid;gap:8px;font-size:14px}.footer-links a{color:#bfd4e4}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:20px;font-size:12px;color:#a9c2d4;display:flex;justify-content:space-between;gap:20px}
.notice{padding:14px 16px;border-left:3px solid var(--blue);background:#f2f8fc;color:#456277;font-size:14px;border-radius:8px}
@media(max-width:900px){nav{display:none}.menu{display:block}.hero-grid,.split{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero{padding-top:55px}}
@media(max-width:620px){.topbar .container{justify-content:center}.topbar .container span:first-child{display:none}.nav{height:68px}.grid-3,.grid-4,.product-grid,.process,.form-grid{grid-template-columns:1fr}.step:first-child,.step:last-child{border-radius:18px}.step{border-radius:18px!important;margin-bottom:10px}.cta{padding:30px;display:block}.cta .btn{margin-top:18px}.page-hero h1{font-size:40px}.section{padding:65px 0}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}}


/* Mobile navigation fix */
@media (max-width:900px){
  nav.nav-open{
    display:flex;
    position:absolute;
    top:78px;
    left:0;
    right:0;
    padding:20px;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    border-bottom:1px solid var(--line);
    box-shadow:0 14px 28px rgba(7,59,102,.10);
  }
  nav.nav-open a{padding:8px 4px}
  nav.nav-open .btn{width:100%}
}
@media (max-width:620px){
  nav.nav-open{top:68px}
}
.contact-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.footer-links a[href^="tel:"]{color:#bfd4e4}
.footer-links a[href*="wa.me"]{color:#bfd4e4}

@media(max-width:620px){.topbar .container span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;}}

/* V3 speed + mobile performance */
.skip-link{position:absolute;left:-9999px;top:auto}.skip-link:focus{left:12px;top:12px;z-index:100;padding:10px 14px;background:#fff;border:2px solid var(--blue);border-radius:8px;color:var(--navy)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.card{transition:none!important}.card:hover,.btn.primary:hover{transform:none}}

/* Final requested branding update: keep approved V4 design; replace confusing S mark and remove UI numbering. */
.logo-image{width:42px;height:42px;display:block;flex:0 0 auto}.brand .logo-image{object-fit:contain}.firm-icon{padding:7px!important}.firm-icon img{width:100%;height:100%;object-fit:contain}.hero-firm-logo{width:44px;height:44px;object-fit:contain;flex:0 0 auto}.hero-card .hero-firm-logo{margin-top:2px}

/* Exact user-provided SATVIK CHEMTECH logo */
.logo-image{width:190px;height:auto;max-height:58px;object-fit:contain;display:block;flex:0 0 auto}
.brand .logo-image{width:190px;height:auto;object-fit:contain}
.firm-icon{padding:5px!important}
.firm-icon img{width:100%;height:100%;object-fit:contain}
.hero-firm-logo{width:150px;height:auto;max-height:55px;object-fit:contain;flex:0 0 auto}
@media(max-width:620px){
  .logo-image,.brand .logo-image{width:150px;max-height:48px}
  .hero-firm-logo{width:120px;max-height:46px}
}

/* Production fixes: accessible card icons, high-contrast footer branding, RFQ and WhatsApp CTA */
.icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.footer-brand{display:inline-flex;align-items:center;background:#fff;padding:9px 14px;border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,.14)}
.footer-logo{display:block;width:190px;height:auto;max-height:58px;object-fit:contain}
.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:40;display:inline-flex;align-items:center;gap:8px;padding:12px 16px;border-radius:999px;background:#138a4b;color:#fff;font-weight:800;font-size:14px;box-shadow:0 12px 30px rgba(0,0,0,.2);border:2px solid #fff}
.whatsapp-float svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.whatsapp-float svg path:first-child{fill:currentColor;stroke:none;opacity:.18}
.whatsapp-float:hover{transform:translateY(-2px)}
@media(max-width:620px){.footer-logo{width:150px;max-height:48px}.whatsapp-float{right:14px;bottom:14px;padding:12px;width:52px;height:52px;justify-content:center}.whatsapp-float span{display:none}}

/* Corporate content refinement */
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:620px){.grid-2{grid-template-columns:1fr}}

/* Final user-requested brand scale and simplified home hero */
.hero-grid{grid-template-columns:1fr}
.hero-copy{max-width:920px}
.logo-image,.brand .logo-image{width:250px;max-height:80px}
.footer-logo{width:180px;max-height:58px}
.nav{height:92px}
.qualification{color:var(--muted);font-size:14px;font-weight:650}
@media(max-width:900px){.nav{height:84px}}
@media(max-width:620px){.logo-image,.brand .logo-image{width:185px;max-height:58px}.footer-logo{width:150px;max-height:48px}.nav{height:82px}nav.nav-open{top:82px}}