/* ==========================================================================
   NAMOKAR ENTERPRISES — Industrial Valves, Pipes & Fire Fighting, Delhi
   Design system. No frameworks: fast load = better Core Web Vitals = better SEO.
   ========================================================================== */

:root{
  --navy:#0d2340;
  --navy-800:#12305a;
  --navy-600:#1b4179;
  --steel:#5a6b7d;
  --steel-100:#eef2f6;
  --steel-200:#dde4ec;
  --amber:#e8811a;
  --amber-dark:#c96a0c;
  --green:#1f9d55;
  --ink:#16202b;
  --muted:#5d6b7a;
  --white:#fff;
  --radius:10px;
  --radius-lg:16px;
  --shadow:0 1px 3px rgba(13,35,64,.08),0 8px 24px rgba(13,35,64,.06);
  --shadow-lg:0 12px 40px rgba(13,35,64,.14);
  --max:1200px;
  /* Self-hosted stack only: no third-party font request, so the page needs
     zero external connections. Inter is used if the visitor happens to have
     it; otherwise the platform UI font (Roboto on Android, SF on iOS,
     Segoe on Windows) which is what most visitors already render fastest. */
  --font:'Inter','Segoe UI Variable Text',-apple-system,BlinkMacSystemFont,
         'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);
  font-size:16.5px;line-height:1.65;background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy-600);text-decoration:none}
a:hover{color:var(--amber-dark)}
h1,h2,h3,h4{font-weight:750;line-height:1.2;color:var(--navy);margin:0 0 .55em}
h1{font-size:clamp(1.85rem,4.2vw,3rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.15rem);letter-spacing:-.015em}
h3{font-size:1.2rem}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.1em;padding-left:1.15em}
li{margin-bottom:.4em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
section{padding:64px 0}
.sec-tight{padding:44px 0}
.bg-light{background:var(--steel-100)}
.bg-navy{background:var(--navy);color:#dce6f2}
.bg-navy h2,.bg-navy h3{color:#fff}
.center{text-align:center}
.eyebrow{
  display:inline-block;font-size:.75rem;font-weight:750;letter-spacing:.13em;
  text-transform:uppercase;color:var(--amber-dark);margin-bottom:.7rem;
}
.lead{font-size:1.1rem;color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.82rem 1.5rem;border-radius:var(--radius);
  font-weight:700;font-size:.97rem;border:2px solid transparent;
  cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .15s;
  text-align:center;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 6px 18px rgba(232,129,26,.3)}
.btn-primary:hover{background:var(--amber-dark);color:#fff}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{color:var(--navy-600)}
.btn-wa{background:var(--green);color:#fff}
.btn-wa:hover{background:#177f43;color:#fff}
.btn-sm{padding:.55rem 1rem;font-size:.87rem}

/* ---------- Top strip ---------- */
.topbar{
  background:var(--navy);color:#c8d6e8;font-size:.82rem;
  padding:7px 0;
}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.topbar a{color:#fff;font-weight:600}
.topbar-links{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:900;background:#fff;
  border-bottom:1px solid var(--steel-200);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0}
/* ---------- Product figures & card images ---------- */
.pfig{
  margin:0;border:1px solid var(--steel-200);border-radius:var(--radius-lg);
  overflow:hidden;background:#fff;box-shadow:var(--shadow);
}
.pfig img{width:100%;height:auto;display:block}
.pfig figcaption{
  padding:13px 18px;font-size:.86rem;color:var(--muted);
  border-top:1px solid var(--steel-200);background:#fbfcfe;line-height:1.5;
}
.card-img{
  width:100%;height:178px;object-fit:cover;object-position:center 42%;
  border-radius:10px;margin-bottom:17px;background:var(--steel-100);
  border:1px solid var(--steel-200);
}

.logo{display:flex;align-items:center;gap:11px}
.logo img{height:50px;width:auto;display:block}
.logo-mark{
  width:44px;height:44px;flex:none;border-radius:9px;
  background:linear-gradient(135deg,var(--navy),var(--navy-600));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.15rem;
  letter-spacing:-.03em;
}
.logo-text strong{display:block;font-size:1.06rem;color:var(--navy);letter-spacing:-.02em;line-height:1.15}
.logo-text span{display:block;font-size:.685rem;color:var(--muted);letter-spacing:.055em;text-transform:uppercase;font-weight:600}

.nav{display:flex;align-items:center;gap:2px}
.nav > li{list-style:none;position:relative;margin:0}
.nav{margin:0;padding:0;list-style:none}
.nav > li > a{
  display:block;padding:.6rem .72rem;font-size:.93rem;font-weight:650;color:var(--ink);
  border-radius:7px;white-space:nowrap;
}
.nav > li > a:hover,.nav > li.active > a{background:var(--steel-100);color:var(--navy)}
.has-sub > a::after{content:"▾";font-size:.7em;margin-left:.35em;opacity:.6}
.submenu{
  position:absolute;top:100%;left:0;min-width:255px;background:#fff;
  border:1px solid var(--steel-200);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);padding:8px;margin:0;list-style:none;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:.16s ease;
}
.has-sub:hover .submenu,.has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu li{margin:0}
.submenu a{display:block;padding:.5rem .7rem;border-radius:6px;font-size:.9rem;color:var(--ink)}
.submenu a:hover{background:var(--steel-100);color:var(--navy-600)}
/* Long dropdowns: two columns, and group headings to keep them scannable */
.submenu-wide{min-width:540px;column-count:2;column-gap:10px}
.submenu-head{
  padding:.5rem .7rem .25rem;font-size:.7rem;font-weight:800;letter-spacing:.1em;
  text-transform:uppercase;color:var(--amber-dark);break-after:avoid;
}
.submenu-head:not(:first-child){margin-top:.3rem;border-top:1px solid var(--steel-200);padding-top:.6rem}
.submenu li{break-inside:avoid}
/* Right-align the last dropdowns so they cannot overflow the viewport edge */
.nav > li:nth-last-child(-n+3) .submenu{left:auto;right:0}
.nav-cta{display:flex;gap:9px;align-items:center}
.burger{
  display:none;background:none;border:1.5px solid var(--steel-200);border-radius:8px;
  padding:.5rem .65rem;font-size:1.2rem;cursor:pointer;color:var(--navy);line-height:1;
}

/* ---------- Hero ---------- */
.hero{
  background:
    linear-gradient(115deg,rgba(13,35,64,.94) 0%,rgba(13,35,64,.80) 55%,rgba(27,65,121,.72) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 30h60M30 0v60' stroke='%23ffffff' stroke-opacity='.06' stroke-width='1'/%3E%3C/svg%3E") ,
    var(--navy);
  color:#fff;padding:76px 0 68px;
}
.hero h1{color:#fff;max-width:19ch}
.hero p.lead{color:#c7d7ea;max-width:62ch;font-size:1.13rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.trust-row{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:14px;
  margin-top:44px;padding-top:30px;border-top:1px solid rgba(255,255,255,.16);
}
.trust-item{display:flex;gap:11px;align-items:flex-start}
.trust-item .ic{
  width:34px;height:34px;flex:none;border-radius:8px;background:rgba(232,129,26,.2);
  display:grid;place-items:center;color:var(--amber);font-size:1rem;
}
.trust-item strong{display:block;font-size:.95rem;color:#fff}
.trust-item span{font-size:.8rem;color:#a9bdd4}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.g-3{grid-template-columns:repeat(auto-fit,minmax(265px,1fr))}
.g-4{grid-template-columns:repeat(auto-fit,minmax(205px,1fr))}
.card{
  background:#fff;border:1px solid var(--steel-200);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);transition:transform .16s,box-shadow .16s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card h3{margin-bottom:.4em}
.card p{font-size:.94rem;color:var(--muted);margin-bottom:.85em}
.card ul{font-size:.9rem;color:var(--muted);padding-left:1.05em}
.card-ic{
  width:48px;height:48px;border-radius:11px;background:var(--steel-100);
  display:grid;place-items:center;font-size:1.4rem;margin-bottom:16px;
}
.card-link{font-weight:700;font-size:.9rem;color:var(--amber-dark)}
.card-link::after{content:" →"}

/* ---------- Sub-product cards (image + spec chips + price) ---------- */
.pcard-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(298px,1fr));gap:24px;
}
.pcard{
  background:#fff;border:1px solid var(--steel-200);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .16s,box-shadow .16s;
}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.pcard-img{
  background:#f4f7fa;padding:22px;display:grid;place-items:center;
  border-bottom:1px solid var(--steel-200);
}
.pcard-img img{width:100%;height:auto;max-height:215px;object-fit:contain}
.pcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.pcard-body h3{font-size:1.05rem;line-height:1.3;margin-bottom:.7em}
.pcard-body h3 a{color:var(--navy)}
.pcard-body h3 a:hover{color:var(--amber-dark)}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:15px}
.chip{
  font-size:.715rem;font-weight:750;letter-spacing:.03em;padding:.32rem .62rem;
  border-radius:6px;background:var(--steel-100);color:#54626f;white-space:nowrap;
}
.chip-size{background:#fdf1e0;color:#a4560a}
.chip-isi{background:#e8f3ec;color:#1c7a45}
.pcard-price{font-size:.92rem;color:var(--muted);margin:0 0 15px}
.pcard-price strong{color:var(--navy);font-size:1.05rem;font-weight:800}
.pcard-price .ask{color:var(--navy);font-weight:750}
.pcard-link{margin-top:auto;font-weight:750;font-size:.9rem;color:var(--amber-dark)}
.pcard-link::after{content:" →"}
.price-note{
  background:#fff;border:1px solid var(--steel-200);border-left:4px solid var(--amber);
  border-radius:var(--radius);padding:16px 20px;font-size:.9rem;color:var(--muted);
  margin-bottom:26px;
}
.price-note strong{color:var(--navy)}

.brand-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
.brand-chip{
  display:flex;flex-direction:column;justify-content:center;
  background:#fff;border:1px solid var(--steel-200);border-radius:var(--radius);
  padding:16px 14px;text-align:center;font-weight:700;color:var(--navy);
  font-size:.95rem;transition:.15s;
}
.brand-chip small{display:block;font-weight:500;color:var(--muted);font-size:.74rem;margin-top:3px}
.brand-chip:hover{border-color:var(--amber);color:var(--amber-dark);transform:translateY(-2px)}

/* ---------- Tables ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--steel-200);border-radius:var(--radius);margin-bottom:1.4em}
table{border-collapse:collapse;width:100%;font-size:.92rem;min-width:460px}
th,td{padding:.68rem .85rem;text-align:left;border-bottom:1px solid var(--steel-200)}
th{background:var(--steel-100);font-weight:700;color:var(--navy);font-size:.85rem;letter-spacing:.02em}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafcfe}

/* ---------- Breadcrumb ---------- */
.crumb{background:var(--steel-100);padding:11px 0;font-size:.83rem;color:var(--muted);border-bottom:1px solid var(--steel-200)}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.45rem;margin:0;padding:0}
.crumb li+li::before{content:"/";margin-right:.45rem;opacity:.5}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
label{display:block;font-weight:650;font-size:.86rem;margin-bottom:.35rem;color:var(--navy)}
input,select,textarea{
  width:100%;padding:.7rem .85rem;border:1.5px solid var(--steel-200);border-radius:8px;
  font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy-600);box-shadow:0 0 0 3px rgba(27,65,121,.12)}
.field-full{grid-column:1/-1}
.form-note{font-size:.8rem;color:var(--muted)}

/* ---------- Calculator result ---------- */
.result-box{
  background:var(--navy);color:#fff;border-radius:var(--radius-lg);padding:24px;margin-top:20px;
}
.result-box .big{font-size:2rem;font-weight:800;color:var(--amber);line-height:1.1}
.result-box .row{display:flex;justify-content:space-between;gap:14px;padding:.4rem 0;border-bottom:1px solid rgba(255,255,255,.13);font-size:.92rem}
.result-box .row:last-child{border:none}

/* ---------- FAQ ---------- */
details.faq{
  border:1px solid var(--steel-200);border-radius:var(--radius);padding:0;margin-bottom:10px;background:#fff;
}
details.faq summary{
  padding:1rem 1.1rem;font-weight:700;cursor:pointer;color:var(--navy);font-size:.98rem;list-style:none;
  display:flex;justify-content:space-between;gap:12px;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:1.3rem;color:var(--amber);line-height:1}
details.faq[open] summary::after{content:"–"}
details.faq .faq-body{padding:0 1.1rem 1.1rem;color:var(--muted);font-size:.94rem}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--amber),var(--amber-dark));color:#fff;
  padding:52px 0;text-align:center;
}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.92);max-width:60ch;margin:0 auto 24px}
.cta-band .btn-light{color:var(--amber-dark)}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#a9bdd4;padding:54px 0 0;font-size:.9rem}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.11em;text-transform:uppercase;margin-bottom:1rem}
.site-footer a{color:#c8d6e8;display:block;padding:.19rem 0}
.site-footer a:hover{color:var(--amber)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:18px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.82rem;
}

/* ---------- Floating WhatsApp ---------- */
.fab{
  position:fixed;right:16px;bottom:16px;z-index:950;
  background:var(--green);color:#fff;width:54px;height:54px;border-radius:50%;
  display:grid;place-items:center;box-shadow:0 6px 22px rgba(31,157,85,.42);
  font-size:1.5rem;
}
.fab:hover{color:#fff;transform:scale(1.06)}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .burger{display:block}
  .nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;padding:10px;gap:2px;
    border-bottom:1px solid var(--steel-200);box-shadow:var(--shadow-lg);
    max-height:76vh;overflow-y:auto;
  }
  .nav.open{display:flex}
  .site-header{position:relative}
  .submenu{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border:none;border-left:2px solid var(--steel-200);border-radius:0;margin:2px 0 6px 12px;padding:0 0 0 6px;
  }
  .has-sub > a::after{content:""}
  .nav-cta .btn-outline{display:none}
}
@media(max-width:640px){
  section{padding:46px 0}
  .footer-grid{grid-template-columns:1fr}
  .card{padding:20px}
  .hero{padding:52px 0 46px}
  .topbar-links a:not(.always){display:none}
}
@media print{.site-header,.site-footer,.fab,.topbar{display:none}}

/* ---------- Inline SVG icons ---------- */
.ic-svg{display:block}
.card-ic{color:var(--navy-600)}
.trust-item .ic{color:var(--amber)}
.trust-item .ic .ic-svg{width:20px;height:20px}