/* ==========================================================================
   Vardhaman Fasteners Pvt. Ltd. — core stylesheet
   Modern industrial theme. Hand-written, no framework, no external fonts.
   ========================================================================== */

:root{
  --red:#de1002;
  --red-dark:#b30d02;
  --navy:#0f2440;
  --navy-900:#071333;
  --navy-700:#16345c;
  --steel:#eef1f5;
  --steel-2:#f6f8fa;
  --line:#dfe4ea;
  --ink:#1b1e26;
  --muted:#5b6472;
  --white:#ffffff;
  --amber:#f5a623;
  --radius:14px;
  --radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(9,20,40,.06),0 2px 8px rgba(9,20,40,.06);
  --shadow:0 10px 30px rgba(9,20,40,.10);
  --shadow-lg:0 24px 60px rgba(9,20,40,.16);
  --maxw:1200px;
  --sans:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--white);
  line-height:1.65;font-size:17px;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy-700);text-decoration:none}
a:hover{color:var(--red)}
h1,h2,h3,h4{line-height:1.18;margin:0 0 .5em;font-weight:800;letter-spacing:-.015em;color:var(--navy-900)}
h1{font-size:clamp(2rem,4.4vw,3.35rem)}
h2{font-size:clamp(1.55rem,3vw,2.35rem)}
h3{font-size:clamp(1.15rem,1.9vw,1.4rem)}
p{margin:0 0 1rem}
ul{margin:0 0 1rem;padding-left:1.15rem}
li{margin:.3rem 0}
svg{display:block}

.container{width:min(100% - 2.4rem,var(--maxw));margin-inline:auto}
.section{padding:clamp(3rem,6vw,5.5rem) 0}
.section--steel{background:var(--steel-2)}
.section--navy{background:linear-gradient(160deg,var(--navy-900),var(--navy) 62%,var(--navy-700));color:#e8eef7}
.section--navy h2,.section--navy h3{color:#fff}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--muted);max-width:62ch}
.section--navy .lead{color:#c4d2e6}
.center{text-align:center}
.center .lead{margin-inline:auto}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:var(--red);margin-bottom:.6rem;
}
.section--navy .eyebrow{color:#ff6a5e}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:.98rem;
  padding:.78rem 1.35rem;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease,background .15s ease,color .15s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--red);color:#fff;box-shadow:0 8px 20px rgba(222,16,2,.28)}
.btn--primary:hover{background:var(--red-dark);color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:#fff;color:var(--navy-900)}
.btn--outline{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn--outline:hover{background:var(--navy);color:#fff}
.btn--sm{padding:.55rem 1rem;font-size:.9rem}

/* ---------- top bar + header ---------- */
.topbar{background:var(--navy-900);color:#b9c7dc;font-size:.82rem}
.topbar .container{display:flex;gap:1.2rem;align-items:center;justify-content:space-between;padding:.4rem 0;flex-wrap:wrap}
.topbar a{color:#dbe6f5}
.topbar a:hover{color:#fff}
.topbar ul{display:flex;gap:1.2rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.topbar li{display:flex;align-items:center;gap:.4rem;margin:0}
.topbar .ico{color:#ff6a5e}

header.site{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.7rem;min-width:0}
.brand img{height:52px;width:auto}
.brand .bt{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.brand .bt b{font-size:1.06rem;color:var(--navy-900);letter-spacing:-.02em;white-space:nowrap}
.brand .bt span{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--red);font-weight:700}
.nav-links{display:flex;align-items:center;gap:.25rem;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:.5rem .72rem;border-radius:8px;font-weight:600;font-size:.95rem;color:#28303e}
.nav-links a:hover,.nav-links a[aria-current="page"]{background:var(--steel);color:var(--navy-900)}
.nav-cta{display:flex;align-items:center;gap:.5rem}
.burger{display:none;background:none;border:0;padding:.4rem;cursor:pointer}
.burger span{display:block;width:26px;height:3px;background:var(--navy-900);border-radius:3px;margin:5px 0;transition:.25s}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;background:var(--navy-900);overflow:hidden}
.hero__bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.32}
.hero__scrim{position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,19,51,.96) 0%,rgba(7,19,51,.82) 45%,rgba(7,19,51,.45) 100%)}
.hero .container{position:relative;padding:clamp(3rem,7vw,6rem) 0;max-width:var(--maxw)}
.hero__inner{max-width:760px}
.hero h1{color:#fff;margin-bottom:.7rem}
.hero p.lead{color:#cdd9ec;font-size:clamp(1.05rem,1.7vw,1.28rem);max-width:60ch}
.hero .btns{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.5rem}
.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.6rem;border-top:1px solid rgba(255,255,255,.18);padding-top:1.6rem}
.hero__stats .st b{display:block;font-size:clamp(1.5rem,3vw,2.1rem);color:#fff;font-weight:800}
.hero__stats .st span{font-size:.82rem;color:#a9bcd6;letter-spacing:.02em}

/* ---------- trust strip ---------- */
.trustbar{background:var(--white);border-bottom:1px solid var(--line)}
.trustbar .container{display:flex;flex-wrap:wrap;gap:1.2rem 2.2rem;justify-content:center;align-items:center;padding:1rem 0;font-size:.86rem;color:var(--muted);font-weight:600}
.trustbar span{display:inline-flex;align-items:center;gap:.5rem}
.trustbar .dot{width:8px;height:8px;border-radius:50%;background:var(--red)}

/* ---------- grids + cards ---------- */
.grid{display:grid;gap:1.4rem}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card__media{aspect-ratio:4/3;background:var(--steel);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card__media img{transform:scale(1.05)}
.card__body{padding:1.15rem 1.25rem 1.35rem;display:flex;flex-direction:column;gap:.4rem;flex:1}
.card__body h3{margin:0}
.card__body p{margin:0;color:var(--muted);font-size:.94rem}
.card__tag{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--red)}
.card .more{margin-top:auto;padding-top:.7rem;font-weight:700;font-size:.9rem}

/* feature/benefit card (no image) */
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm);height:100%}
.feature .ic{width:52px;height:52px;border-radius:12px;background:linear-gradient(140deg,var(--red),#ff6a5e);display:grid;place-items:center;color:#fff;margin-bottom:.9rem}
.feature h3{margin:0 0 .35rem;font-size:1.1rem}
.feature p{margin:0;color:var(--muted);font-size:.94rem}

/* ---------- split section ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(1.6rem,4vw,3.4rem);align-items:center}
.split--rev .split__media{order:-1}
.split__media img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.badge-iso{display:inline-flex;align-items:center;gap:.55rem;background:#fff;border:1px solid var(--line);border-left:4px solid var(--red);padding:.5rem .85rem;border-radius:8px;font-weight:700;font-size:.85rem;box-shadow:var(--shadow-sm);margin:.25rem .35rem .25rem 0}
.ticks{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:.6rem}
.ticks li{display:flex;gap:.6rem;align-items:flex-start;margin:0}
.ticks .ck{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(222,16,2,.1);color:var(--red);display:grid;place-items:center;font-weight:900;font-size:.75rem;margin-top:2px}

/* ---------- spec table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
table.spec{width:100%;border-collapse:collapse;font-size:.94rem;min-width:560px}
table.spec caption{text-align:left;padding:.9rem 1rem;font-weight:800;color:var(--navy-900);border-bottom:1px solid var(--line);background:var(--steel-2)}
table.spec th,table.spec td{padding:.7rem .9rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.spec thead th{background:var(--navy-900);color:#fff;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}
table.spec tbody tr:nth-child(even){background:var(--steel-2)}
table.spec tbody tr:last-child td{border-bottom:0}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:0}
.chips li{margin:0}
.chip{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.4rem .85rem;font-size:.85rem;font-weight:600;color:var(--navy);box-shadow:var(--shadow-sm)}
.section--navy .chip{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#dbe6f5}

/* ---------- cities ---------- */
.city-links{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:.7rem}
.city-links a{display:flex;align-items:center;justify-content:space-between;gap:.5rem;background:#fff;border:1px solid var(--line);border-radius:10px;padding:.7rem .9rem;font-weight:600;color:var(--navy-900);box-shadow:var(--shadow-sm);transition:.18s}
.city-links a:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin-inline:auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:.7rem;box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;font-weight:700;padding:1rem 1.1rem;list-style:none;display:flex;justify-content:space-between;gap:1rem;color:var(--navy-900)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:800;color:var(--red);font-size:1.2rem}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 1.1rem 1.1rem;margin:0;color:var(--muted)}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--red),#ff5a4d);color:#fff;border-radius:var(--radius);padding:clamp(1.8rem,4vw,2.8rem);display:flex;gap:1.5rem;align-items:center;justify-content:space-between;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff;margin:0 0 .3rem}
.cta-band p{margin:0;color:rgba(255,255,255,.92);max-width:56ch}

/* ---------- forms ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.3rem,3vw,2rem);box-shadow:var(--shadow)}
.field{margin-bottom:1rem}
.field label{display:block;font-weight:700;font-size:.88rem;margin-bottom:.35rem;color:var(--navy-900)}
.field .req{color:var(--red)}
.field input,.field select,.field textarea{
  width:100%;padding:.72rem .85rem;border:1.5px solid var(--line);border-radius:10px;font:inherit;
  font-size:.96rem;color:var(--ink);background:#fff;transition:.15s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(15,36,64,.12)}
.field textarea{min-height:120px;resize:vertical}
.field .hint{font-size:.78rem;color:var(--muted);margin-top:.3rem}
.f-2{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.85rem;color:var(--muted);margin:.2rem 0 1rem}
.consent input{width:auto;margin-top:.25rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{margin-top:.9rem;font-size:.86rem;border-radius:10px;padding:.75rem .9rem;display:none}
.form-note.ok{display:block;background:#e8f7ee;border:1px solid #b7e3c6;color:#14663a}
.form-note.err{display:block;background:#fdeceb;border:1px solid #f6c3bf;color:#9c1d10}
.form-note.info{display:block;background:#eef3fb;border:1px solid #c9d8ef;color:#1d3f70}

/* ---------- contact blocks ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(1.4rem,3vw,2.4rem);align-items:start}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow-sm)}
.info-card .row{display:flex;gap:.8rem;padding:.7rem 0;border-bottom:1px dashed var(--line)}
.info-card .row:last-child{border-bottom:0}
.info-card .row .ic{color:var(--red);flex:0 0 auto;margin-top:3px}
.info-card .row b{display:block;color:var(--navy-900);font-size:.92rem}
.info-card .row span,.info-card .row a{font-size:.92rem;color:var(--muted)}
.map-embed{border:0;width:100%;height:320px;border-radius:var(--radius);box-shadow:var(--shadow-sm);filter:grayscale(.15)}
.hours{font-size:.9rem;color:var(--muted)}

/* ---------- breadcrumbs ---------- */
.crumbs{font-size:.82rem;color:var(--muted);padding:.7rem 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;margin:0;padding:0}
.crumbs li::after{content:"/";margin-left:.45rem;color:#c2c9d4}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--navy-700)}

/* ---------- page hero (inner pages) ---------- */
.page-hero{background:linear-gradient(120deg,var(--navy-900),var(--navy-700));color:#fff;padding:clamp(2.2rem,5vw,3.6rem) 0}
.page-hero h1{color:#fff;margin:0 0 .35rem}
.page-hero p{margin:0;color:#c3d1e6;max-width:70ch}

/* ---------- footer ---------- */
footer.site{background:var(--navy-900);color:#a9bcd6;padding-top:clamp(2.4rem,5vw,3.4rem);font-size:.92rem}
footer.site h4{color:#fff;font-size:.95rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:.9rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:2rem;padding-bottom:2rem}
footer.site a{color:#c3d1e6}
footer.site a:hover{color:#fff}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin:.35rem 0}
.foot-brand img{width:215px;max-width:100%;height:auto;background:#fff;padding:8px;border-radius:10px;margin-bottom:.9rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.1rem 0;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.83rem;color:#8ca1bf}
.foot-cities{font-size:.82rem;color:#8ca1bf;line-height:1.7}

/* ---------- floating call button ---------- */
.fab{position:fixed;right:18px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:.6rem}
.fab a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow);color:#fff;transition:transform .15s}
.fab a:hover{transform:scale(1.08)}
.fab .call{background:var(--navy)}
.fab .mail{background:var(--red)}
.fab .wa{background:#25d366}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- skip link ---------- */
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--navy-900);padding:.6rem 1rem;border-radius:0 0 8px 0;z-index:100}
.skip:focus{left:0}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:820px){
  .nav-links{position:fixed;inset:64px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:.6rem;gap:.15rem;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-140%);transition:transform .28s ease;max-height:80vh;overflow:auto}
  .nav-links.open{transform:none}
  .nav-links a{padding:.8rem .9rem;font-size:1rem}
  .burger{display:block}
  .nav-cta .btn--primary{display:none}
  .split{grid-template-columns:1fr}
  .split--rev .split__media{order:0}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  body{font-size:16px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .f-2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .topbar .container{justify-content:center;text-align:center;row-gap:.15rem}
  .topbar ul{gap:.8rem}
  .brand img{height:44px}
  .brand .bt b{font-size:.95rem}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media print{.site,header.site,.fab,.topbar{display:none}}