/* ============================================================
   Supreme Steels India — shared stylesheet
   ============================================================ */

:root{
  --navy:#1a2744;
  --navy2:#243259;
  --navy-soft:#2f3d63;
  --gold:#c9a84c;
  --gold-lt:#e8c97a;
  --gold-bg:#fdf8ee;
  --bg:#f2f1ed;
  --surface:#fff;
  --ink:#1c1f27;
  --ink-soft:#565b68;
  --line:#e4e1d8;
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(26,39,68,.18);
  --shadow-sm:0 4px 14px -6px rgba(26,39,68,.15);
  --maxw:1180px;
  --font-head:'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}

a{color:inherit;text-decoration:none;}

ul{list-style:none;}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:700;
  color:var(--navy);
  line-height:1.18;
}

h1{font-size:clamp(2.1rem,4.4vw,3.4rem);}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);}
h3{font-size:1.28rem;}

p{color:var(--ink-soft);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:.76rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-weight:700;
  color:var(--gold);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--gold);
  display:inline-block;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:.94rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-gold{
  background:#8a6a2f;
  color:#fff;
  box-shadow:0 10px 24px -10px rgba(138,106,47,.6);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(138,106,47,.7);background:#7a5d29;}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.4);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-navy{
  background:var(--navy);
  color:#fff;
}
.btn-navy:hover{background:var(--navy2);transform:translateY(-2px);}
.btn-outline{
  background:transparent;
  border-color:var(--navy);
  color:var(--navy);
}
.btn-outline:hover{background:var(--navy);color:#fff;transform:translateY(-2px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  border-bottom:1px solid rgba(26,39,68,.08);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(253,248,238,.94);
  backdrop-filter:blur(10px);
  z-index:-1;
}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:8px 28px;
  max-width:var(--maxw);
  margin:0 auto;
  gap:20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand img{height:46px;width:auto;}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.brand-text strong{
  font-family:var(--font-head);
  font-size:1.05rem;
  color:var(--navy);
  letter-spacing:.04em;
  text-transform:uppercase;
}
.brand-text span{
  font-size:.62rem;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
}

nav.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
}
nav.main-nav a{
  padding:8px 15px;
  font-size:.87rem;
  font-weight:500;
  color:rgba(26,39,68,.72);
  border-radius:8px;
  white-space:nowrap;
  transition:background .15s ease, color .15s ease;
}
nav.main-nav a:hover{background:rgba(26,39,68,.06);color:var(--navy);}
nav.main-nav a.active{color:var(--navy);font-weight:700;background:var(--gold-bg);}

.header-cta{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.header-cta .btn{padding:10px 20px;font-size:.85rem;}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:8px;
  background:rgba(26,39,68,.06);
  border:none;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  display:block;
  width:20px;height:2px;
  background:var(--navy);
  position:relative;
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before{position:absolute;top:-7px;}
.nav-toggle span::after{position:absolute;top:7px;}
.nav-toggle.open span{background:transparent;}
.nav-toggle.open span::before{transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span::after{transform:translateY(-7px) rotate(-45deg);}

/* ---------- hero (interior pages) ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:120px 0 74px;
  background:linear-gradient(150deg,rgba(15,22,41,.92),rgba(26,39,68,.86));
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,var(--bg) 100%);
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2;}
.page-hero .eyebrow{color:var(--gold-lt);}
.page-hero .eyebrow::before{background:var(--gold-lt);}
.page-hero h1{color:#fff;max-width:820px;}
.page-hero p.lead{
  color:rgba(255,255,255,.82);
  max-width:640px;
  font-size:1.08rem;
  margin-top:16px;
}
.breadcrumb{
  display:flex;gap:8px;align-items:center;
  font-size:.8rem;
  color:rgba(255,255,255,.55);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}

/* ---------- sections ---------- */
section{padding:88px 0;}
.section-tight{padding:60px 0;}
.section-head{max-width:660px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{margin-top:14px;font-size:1.05rem;}

.bg-navy{background:var(--navy);color:#fff;}
.bg-navy h2,.bg-navy h3{color:#fff;}
.bg-navy p{color:rgba(255,255,255,.72);}
.bg-navy .eyebrow{color:var(--gold-lt);}
.bg-navy .eyebrow::before{background:var(--gold-lt);}

.bg-gold-soft{background:var(--gold-bg);}
.bg-surface{background:var(--surface);}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:26px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--surface);
  border-radius:var(--radius);
  padding:30px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--line);
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}

.icon-badge{
  width:52px;height:52px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--gold-lt),var(--gold));
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
  flex-shrink:0;
}
.icon-badge svg{width:26px;height:26px;stroke:var(--navy);}

/* stat strip */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.12);
  border-radius:var(--radius);
  overflow:hidden;
}
.stat-strip.stat-strip-3{grid-template-columns:repeat(3,1fr);}
.stat-cell{
  background:var(--navy2);
  padding:32px 24px;
  text-align:center;
}
.stat-cell .num{
  font-family:var(--font-head);
  font-size:2.1rem;
  font-weight:700;
  color:var(--gold-lt);
  display:block;
}
.stat-cell .lbl{
  font-size:.82rem;
  color:rgba(255,255,255,.72);
  margin-top:6px;
  display:block;
}

/* industry / product cards */
.industry-card{
  background:var(--surface);
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease, box-shadow .2s ease;
  display:flex;
  flex-direction:column;
}
.industry-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.industry-card .thumb{
  height:170px;
  overflow:hidden;
  position:relative;
}
.industry-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.industry-card:hover .thumb img{transform:scale(1.06);}
.industry-card .thumb .tag{
  position:absolute;
  bottom:12px;left:12px;
  background:rgba(26,39,68,.85);
  color:#fff;
  font-size:.7rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  padding:6px 12px;
  border-radius:999px;
}
.industry-card .body{padding:22px 22px 26px;}
.industry-card h3{margin-bottom:10px;}
.industry-card ul{display:flex;flex-direction:column;gap:6px;}
.industry-card li{
  font-size:.9rem;
  color:var(--ink-soft);
  padding-left:16px;
  position:relative;
}
.industry-card li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--gold);
}

/* catalog: category header + grid of individual product photo tiles */
.catalog-category{margin-bottom:52px;}
.catalog-category:last-child{margin-bottom:0;}
.catalog-category-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:22px;
  padding-bottom:14px;
  border-bottom:2px solid var(--gold);
}
.catalog-category-head .num{
  font-family:var(--font-head);
  font-weight:700;
  font-size:1.5rem;
  color:var(--gold);
  flex-shrink:0;
}
.catalog-category-head h3{font-size:1.35rem;margin:0;}
.catalog-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:14px;
}
.catalog-sub{font-family:var(--font-body);font-size:.95rem;font-weight:700;color:var(--navy);margin:26px 0 12px;letter-spacing:.02em;}
.catalog-sub:first-of-type{margin-top:0;}
.catalog-tile{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.catalog-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:var(--gold);}
.catalog-tile .ph{aspect-ratio:1/1;overflow:hidden;background:#fff;}
.catalog-tile .ph img{width:100%;height:100%;object-fit:cover;}
.catalog-tile .cap{
  padding:10px 12px;
  font-size:.72rem;
  font-weight:600;
  color:var(--navy);
  text-align:center;
  line-height:1.3;
  border-top:1px solid var(--line);
}

/* plant blocks */
.plant-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:56px 0;
  border-bottom:1px solid var(--line);
}
.plant-block:last-child{border-bottom:none;}
.plant-block.reverse .plant-media{order:2;}
.plant-block.reverse .plant-copy{order:1;}
.plant-media{
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  position:relative;
  aspect-ratio:4/3;
}
.plant-media img{width:100%;height:100%;object-fit:cover;}
.plant-media .est{
  position:absolute;top:16px;left:16px;
  background:rgba(255,255,255,.92);
  color:var(--navy);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.06em;
  padding:7px 14px;
  border-radius:999px;
}
.plant-copy .eyebrow{margin-bottom:10px;}
.plant-copy h2{margin-bottom:16px;}
.plant-copy p{margin-bottom:14px;}
.plant-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.plant-tags span{
  background:var(--gold-bg);
  border:1px solid var(--line);
  color:var(--navy);
  font-size:.78rem;
  font-weight:600;
  padding:7px 14px;
  border-radius:999px;
}

/* timeline */
.timeline{position:relative;padding-left:36px;}
.timeline::before{
  content:"";
  position:absolute;left:8px;top:6px;bottom:6px;
  width:2px;
  background:linear-gradient(var(--gold),var(--line));
}
.timeline-item{position:relative;padding-bottom:38px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;left:-36px;top:4px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--surface);
  border:3px solid var(--gold);
}
.timeline-item .yr{
  font-family:var(--font-head);
  font-weight:700;
  color:var(--gold);
  font-size:1.3rem;
  display:block;
  margin-bottom:4px;
}
.timeline-item h4{margin-bottom:6px;}

/* infra list */
.infra-list{display:flex;flex-direction:column;gap:0;}
.infra-row{
  display:flex;
  align-items:flex-start;
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.infra-row:last-child{border-bottom:none;}
.infra-row .n{
  font-family:var(--font-head);
  font-weight:700;
  color:var(--gold);
  font-size:1.1rem;
  width:36px;
  flex-shrink:0;
}
.infra-row h4{margin-bottom:4px;}
.infra-row p{font-size:.94rem;margin:0;}

/* quality */
.cert-card{
  display:flex;
  gap:22px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow-sm);
}
.cert-card img{
  width:120px;height:auto;
  border-radius:8px;
  box-shadow:var(--shadow-sm);
  flex-shrink:0;
}

/* clients */
.client-strip{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  align-items:center;
  justify-content:center;
}
.client-logo{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  padding:22px 30px;
  display:flex;
  align-items:center;
  justify-content:center;
  height:96px;
  width:190px;
  transition:transform .2s ease, box-shadow .2s ease;
}
.client-logo:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);}
.client-logo img{max-height:52px;max-width:120px;width:auto;object-fit:contain;}

/* CTA band */
.cta-band{
  background:linear-gradient(135deg,var(--navy),var(--navy2));
  border-radius:20px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(201,168,76,.28),transparent 70%);
}
.cta-band h2{color:#fff;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.72);margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:.84rem;font-weight:600;color:var(--navy);}
.field input,.field select,.field textarea{
  padding:13px 16px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--surface);
  font-family:var(--font-body);
  font-size:.95rem;
  color:var(--ink);
  transition:border-color .15s ease, box-shadow .15s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(201,168,76,.18);
}
.field textarea{resize:vertical;min-height:120px;}

.contact-info-card{
  background:var(--navy);
  color:#fff;
  border-radius:var(--radius);
  padding:36px;
}
.contact-info-card h3{color:#fff;margin-bottom:22px;}
.contact-row{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.contact-row:last-child{border-bottom:none;}
.contact-row .ico{
  width:40px;height:40px;
  border-radius:10px;
  background:rgba(201,168,76,.18);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.contact-row .ico svg{width:19px;height:19px;stroke:var(--gold-lt);}
.contact-row strong{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gold-lt);margin-bottom:4px;}
.contact-row span,.contact-row a{color:rgba(255,255,255,.86);font-size:.95rem;}
.contact-row a:hover{color:#fff;text-decoration:underline;}

.map-frame{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  height:340px;
}
.map-frame iframe{width:100%;height:100%;border:0;display:block;}

/* footer */
footer.site-footer{
  background:#101828;
  color:rgba(255,255,255,.6);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand img{
  height:40px;
  margin-bottom:16px;
  background:#fff;
  padding:6.8px 11.5px;
  border-radius:8px;
  display:block;
}
.footer-brand p{color:rgba(255,255,255,.5);font-size:.9rem;max-width:280px;}
.footer-col h4{color:#fff;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px;font-family:var(--font-body);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:.9rem;color:rgba(255,255,255,.62);transition:color .15s ease;}
.footer-col a:hover{color:var(--gold-lt);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:22px 0;
  font-size:.82rem;
  color:rgba(255,255,255,.4);
  flex-wrap:wrap;
  gap:10px;
}

/* reveal animation */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* misc */
.divider-gold{width:60px;height:3px;background:var(--gold);border-radius:2px;margin:18px 0;}
.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.tag-pill{
  display:inline-block;
  background:var(--gold-bg);
  border:1px solid var(--line);
  color:var(--navy);
  font-size:.76rem;
  font-weight:600;
  padding:5px 12px;
  border-radius:999px;
  margin:0 6px 6px 0;
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  nav.main-nav{
    position:fixed;
    top:0;left:0;right:0;
    bottom:0;
    background:var(--navy);
    flex-direction:column;
    align-items:stretch;
    padding:88px 20px 20px;
    gap:4px;
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
  }
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav a{padding:15px 10px;font-size:1rem;color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.06);}
  nav.main-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
  nav.main-nav a.active{color:var(--navy);background:var(--gold-bg);}
  .nav-toggle{display:flex;}
  .header-cta .btn-text{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .catalog-grid{grid-template-columns:repeat(4,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .plant-block,.plant-block.reverse{grid-template-columns:1fr;}
  .plant-block.reverse .plant-media,.plant-block.reverse .plant-copy{order:initial;}
  .two-col{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .form-grid{grid-template-columns:1fr;}
}

@media (max-width:640px){
  .wrap{padding:0 20px;}
  .header-inner{padding:7px 16px;gap:10px;}
  .brand img{height:36px;}
  .brand-text strong{font-size:.88rem;}
  .brand-text span{font-size:.56rem;}
  .header-cta{gap:8px;}
  .header-cta .btn-gold{padding:9px 14px;font-size:.8rem;}
  .nav-toggle{width:38px;height:38px;flex-shrink:0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .catalog-grid{grid-template-columns:repeat(3,1fr);gap:10px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-strip.stat-strip-3{grid-template-columns:1fr;}
  section{padding:60px 0;}
  .page-hero{padding:104px 0 54px;}
  .cta-band{padding:36px 24px;flex-direction:column;text-align:center;}
  .cta-actions{justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .cert-card{flex-direction:column;text-align:center;}
  .client-logo{width:150px;height:84px;padding:16px 20px;}
}