/* ==========================================================================
   AHUJA INFRACORE — Shared Styles
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@400;500;600&family=Playfair+Display:ital,wght@0,600;0,700;1,600;1,700&display=swap');

:root{
  --dark:#17130f;
  --deep-brown:#241811;
  --brown:#6e3f1d;
  --accent:#8a5225;
  --gold:#b8874a;
  --cream:#eee1d2;
  --light-cream:#f4eadf;
  --beige:#d9c8b5;
  --muted:#8d8176;
  --white:#ffffff;

  --font-display:'Oswald', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-serif:'Playfair Display', serif;

  --nav-h:88px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(23,19,15,.18) 0%, rgba(23,19,15,.3) 100%);
}

*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;width:100%;overflow-x:hidden;}
@media (min-width: 1024px) {
  html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
  }
   .vh-section {
    scroll-margin-top: var(--nav-h);
    width: 100vw;
    overflow: hidden;
    position: relative;
  } 
  /* Brand collage can have many logos — let it grow naturally instead of
     being clipped to a single viewport height like the other sections. */
  .brands.vh-section{
    height:auto !important;
    min-height: auto;
    overflow:visible;
    padding: 20px 0 40px;
  }
}
@media (max-width: 1023px) {
  .vh-section {
    min-height: auto;
    width: 100vw;
    position: relative;
    padding: 40px 0;
    scroll-margin-top: var(--nav-h);
  }
}

.vh-section,
.site-footer,
.page-hero {
  position: relative;
  isolation: isolate;
}
.vh-section::before,
.site-footer::before,
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--section-bg-desktop);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}
.vh-section::after,
.site-footer::after,
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--section-bg-overlay);
  z-index: -1;
}
@media (max-width: 1023px) {
  .vh-section::before,
  .site-footer::before,
  .page-hero::before {
    background-image: var(--section-bg-mobile);
  }
}

/* ---------- 3D Flip Card Styles ---------- */
.flip-card {
  perspective: 1200px;
  background: transparent;
}
.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.flip-card-front, .flip-card-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 4px;
  overflow: hidden;
}
.flip-card-back {
  transform: rotateY(180deg);
  background: var(--dark);
}
.flip-card-back-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  transition: transform 0.8s var(--ease);
  z-index: 1;
  display: block;
}
.flip-card-back-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  text-align: left;
  padding: 24px;
  background: linear-gradient(to top, rgba(23,19,15,0.88) 0%, rgba(23,19,15,0.3) 50%, rgba(23,19,15,0) 100%);
  color: var(--white);
}
.flip-card-back-content h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  margin-bottom: 5px;
  color: var(--gold);
}
.flip-card-back-content p {
  font-size: 0.78rem;
  color: var(--cream);
  margin: 0;
  line-height: 1.4;
}
body {
  font-family:var(--font-body);
  background:var(--light-cream);
  color:var(--dark);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  margin:0;
  text-transform:uppercase;
  letter-spacing:.01em;
  line-height:1.05;
}
.eyebrow{
  font-family:var(--font-body);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:600;
}
.wrap{max-width:1360px;margin:0 auto;padding:25px 48px;}
.section-num{
  font-family:var(--font-display);
  font-size:.85rem;
  color:var(--gold);
  letter-spacing:.1em;
}

/* ---------- Shared section head (heading + trailing action button) ---------- */
.section-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:20px;
  margin-bottom:40px;
}
.section-head h2{margin-top:6px;}

/* Prevent hairline seams between stacked full-height sections caused by
   sub-pixel viewport rounding at 100vh boundaries. */
@media (min-width:1024px){
  .vh-section + .vh-section,
  .vh-section + .site-footer{
    margin-top:-1px;
  }
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 30px;
  border:1px solid var(--brown);
  font-family:var(--font-display);
  font-size:.82rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  background:transparent;
  color:var(--dark);
  position:relative;
  overflow:hidden;
  transition:color .35s var(--ease), border-color .35s var(--ease);
}
.btn svg{transition:transform .35s var(--ease);}
.btn::before{
  content:'';position:absolute;inset:0;background:var(--brown);
  transform:translateX(-101%);transition:transform .4s var(--ease);z-index:-1;
}
.btn:hover{color:var(--white);border-color:var(--brown);}
.btn:hover::before{transform:translateX(0);}
.btn:hover svg{transform:translateX(5px);}
.btn-primary{background:var(--brown);color:var(--white);}
.btn-primary::before{background:var(--dark);}
.btn-primary:hover{color:var(--white);}
.btn-dark{border-color:var(--brown);color:var(--brown);}
.btn-dark::before{background:var(--brown);}
.btn-dark:hover{color:var(--white);}

.hero{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(90deg, rgba(23,19,15,.82) 0%, rgba(23,19,15,.35) 100%);
}
.stats-banner{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(238,225,210,.94) 0%, rgba(238,225,210,.94) 100%);
}
.categories{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(23,19,15,.88) 0%, rgba(23,19,15,.88) 100%);
}
.story{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(244,234,223,.94) 0%, rgba(244,234,223,.94) 100%);
}
.sectors{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(23,19,15,.9) 0%, rgba(23,19,15,.9) 100%);
}
.why{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(244,234,223,.96) 0%, rgba(244,234,223,.96) 100%);
}
.commitment{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(238,225,210,.96) 0%, rgba(238,225,210,.96) 100%);
}
.mvv{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.96) 100%);
}
.site-footer{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(23,19,15,.98) 0%, rgba(23,19,15,.98) 100%);
}
.page-hero{
  --section-bg-desktop:url("");
  --section-bg-mobile:url("");
  --section-bg-overlay:linear-gradient(180deg, rgba(238,225,210,.96) 0%, rgba(238,225,210,.96) 100%);
}

/* ---------- Navbar ---------- */
.navbar{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(40,32,24,.08);
  backdrop-filter:blur(2px);
  transition:background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s var(--ease);
  border-bottom:1px solid rgba(217,200,181,0);
}
.navbar.scrolled{
  background:rgba(40,32,24);
  backdrop-filter:blur(10px);
  box-shadow:0 8px 24px rgba(23,19,15,.18);
  border-bottom:1px solid rgba(217,200,181,.2);
}

.navbar .wrap{display:grid;grid-template-columns:auto 1fr auto;align-items:center;justify-items:center;width:100%;gap:24px;}
.navbar .wrap .logo{justify-self:start;}
.navbar .wrap .menu-toggle{justify-self:end;}
.logo{display:flex;align-items:center;gap:10px;}
.logo-mark{width:90px;height:90px;object-fit:contain;display:block;}
@media (max-width: 480px) {
  .logo-mark{width:50px;height:50px;}
}
.logo-text{font-family:var(--font-display);font-size:1.05rem;font-weight:700;line-height:1.05;letter-spacing:.02em;color:var(--cream);}
.logo-text span{display:block;font-size:.6rem;font-weight:400;letter-spacing:.28em;color:var(--gold);}

.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{
  font-family:var(--font-display);
  font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;
  position:relative;padding:6px 0;
  display:flex;align-items:center;gap:5px;
  color:var(--cream);
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--gold);transition:width .3s var(--ease);
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a:hover,.nav-links a.active{color:var(--gold);}
.has-dropdown{position:relative;}
.dropdown{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(-8px);
  background:var(--white);border:1px solid var(--beige);min-width:200px;
  padding:10px 0;opacity:0;visibility:hidden;transition:all .3s var(--ease);
  box-shadow:0 16px 32px rgba(23,19,15,.12);
}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.dropdown a{padding:10px 20px;display:block;font-size:.75rem;color:var(--dark);}
.dropdown a:hover{background:var(--light-cream);color:var(--brown);}
.dropdown a::after{display:none;}

.nav-actions{display:flex;align-items:center;gap:20px;}
.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  background:none;
  border:none;
  padding:6px;
  width:42px;
  height:42px;
}
.menu-toggle span{width:24px;height:2px;background:var(--cream);transition:transform .3s var(--ease),opacity .3s var(--ease);}

.mobile-panel{
  position:fixed;inset:0;background:var(--dark);z-index:1200;
  display:flex;flex-direction:column;justify-content:flex-start;
  padding:88px 28px 32px;
  transform:translateX(100%);transition:transform .55s var(--ease);
  overflow-y:auto;
}
.mobile-panel.open{transform:translateX(0);}
.mobile-panel .close-btn{
  position:absolute;top:18px;right:18px;background:none;border:none;color:var(--cream);
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
}
.mobile-panel ul{display:flex;flex-direction:column;gap:14px;margin-top:8px;}
.mobile-panel a{
  font-family:var(--font-display);
  font-size:1.35rem;
  letter-spacing:.06em;
  color:var(--cream);
  text-transform:uppercase;
}
.mobile-panel .sub{display:flex;flex-direction:column;gap:8px;margin-top:8px;padding-left:16px;}
.mobile-panel .sub a{font-size:.88rem;color:var(--beige);}
.mobile-cta{margin-top:28px;align-self:flex-start;padding:12px 18px;font-size:.72rem;}

/* ---------- Footer ---------- */
.footer-stats{
  background:var(--cream);border-top:1px solid var(--beige);
  padding:36px 0;
}
.footer-stats .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;}
.fstat{display:flex;align-items:center;gap:14px;}
.fstat svg{width:34px;height:34px;color:var(--brown);flex-shrink:0;}
.fstat b{display:block;font-family:var(--font-display);font-size:1.15rem;}
.fstat span{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;}

.site-footer{background:var(--dark);color:var(--beige);padding:70px 0 24px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr 1.3fr;gap:40px;
  padding-bottom:50px;border-bottom:1px solid rgba(217,200,181,.14);
}
.footer-brand .logo-text{color:var(--cream);}
.footer-brand p{font-size:.85rem;color:var(--muted);margin-top:14px;max-width:220px;}
.social-row{display:flex;gap:12px;margin-top:22px;}
.social-row a{
  width:36px;height:36px;border:1px solid rgba(217,200,181,.3);border-radius:50%;
  display:flex;align-items:center;justify-content:center;transition:all .3s var(--ease);
}
.social-row a:hover{background:var(--gold);border-color:var(--gold);color:var(--dark);}
.social-row svg{width:16px;height:16px;}
.footer-col h4{font-size:.75rem;letter-spacing:.12em;color:var(--gold);margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:.85rem;color:var(--beige);transition:color .3s;}
.footer-col a:hover{color:var(--gold);}
.footer-col .contact-line{display:flex;gap:10px;font-size:.85rem;color:var(--beige);margin-bottom:12px;align-items:flex-start;}
.footer-col .contact-line svg{width:16px;height:16px;flex-shrink:0;margin-top:2px;color:var(--gold);}
.newsletter-form{display:flex;margin-top:14px;border:1px solid rgba(217,200,181,.3);}
.newsletter-form input{flex:1;background:transparent;border:none;padding:12px 14px;color:var(--cream);font-size:.82rem;}
.newsletter-form input::placeholder{color:var(--muted);}
.newsletter-form button{background:var(--gold);border:none;padding:0 18px;color:var(--dark);display:flex;align-items:center;}
.footer-bottom{
  display:flex;justify-content:space-between;padding-top:24px;font-size:.75rem;color:var(--muted);flex-wrap:wrap;gap:10px;
}
.footer-bottom a{margin-left:16px;}
.footer-bottom a:hover{color:var(--gold);}

/* ---------- Simple stub-page hero (about/products/etc.) ---------- */
.page-hero{
  padding:calc(var(--nav-h) + 90px) 0 90px;
  background:var(--cream);
  position:relative;
  overflow:hidden;
}
.breadcrumb{font-size:.78rem;color:var(--muted);margin-bottom:26px;text-transform:uppercase;letter-spacing:.05em;}
.breadcrumb a:hover{color:var(--brown);}
.page-hero h1{font-size:clamp(2.6rem,6vw,4.6rem);color:var(--dark);}
.page-hero .accent{color:var(--brown);}
.page-hero p{max-width:560px;margin-top:22px;font-size:1.02rem;color:var(--deep-brown);}

/* ---------- Product detail sections (products.html) ---------- */
.cat-details{padding:110px 0;display:flex;flex-direction:column;gap:90px;}
.cat-detail{display:flex;align-items:center;gap:60px;}
.cat-detail-media{flex:1;height:400px;overflow:hidden;}
.cat-detail-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.cat-detail:hover .cat-detail-media img{transform:scale(1.04);}
.cat-detail-copy{flex:1;}
.cat-detail-copy h3{font-size:clamp(1.6rem,3vw,2.2rem);margin:14px 0 18px;}
.cat-detail-copy p{color:var(--muted);font-size:1rem;max-width:440px;margin-bottom:26px;}

.cat-detail.reverse{flex-direction:row-reverse;}

@media (max-width:1023px){
  .cat-detail{flex-direction:column !important;gap:30px;}
  .cat-detail-media{width:100%;height:300px;}
  .cat-details{padding:50px 0;}
}
/* ---------- Feature / spec list (product detail pages) ---------- */
.feature-list{display:flex;flex-direction:column;gap:0;margin-bottom:26px;}
.feature-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 0;border-top:1px solid var(--beige);
  font-size:.92rem;color:var(--deep-brown);
}
.feature-list li:first-child{border-top:none;}
.feature-list li svg{width:18px;height:18px;flex-shrink:0;margin-top:2px;color:var(--brown);}
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--beige);border:1px solid var(--beige);margin-bottom:26px;}
.spec-grid div{background:var(--white);padding:16px 20px;}
.spec-grid dt{font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;}
.spec-grid dd{margin:0;font-family:var(--font-display);font-size:1rem;color:var(--dark);}
@media (max-width:767px){.spec-grid{grid-template-columns:1fr;}}

/* ---------- Slim info banner (compact strip, not a full vh section) ---------- */
.info-banner{background:var(--cream);border-top:1px solid var(--beige);border-bottom:1px solid var(--beige);padding:34px 0;}
.info-banner .wrap{width:100%;}

.stub-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
  padding:90px 0;
}
.stub-card{
  border:1px solid var(--beige);background:var(--white);padding:34px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.stub-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(23,19,15,.1);}
.stub-card img{width:100%;height:200px;object-fit:cover;margin-bottom:20px;}
.stub-card h3{font-size:1.15rem;margin-bottom:10px;}
.stub-card p{font-size:.88rem;color:var(--muted);}
.stub-card a{display:inline-flex;gap:6px;margin-top:16px;font-family:var(--font-display);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--brown);}
.stub-card a svg{width:14px;height:14px;transition:transform .3s var(--ease);}
.stub-card a:hover svg{transform:translateX(4px);}

.cta-band{
  background:var(--dark);color:var(--cream);text-align:center;padding:90px 0;
}
.cta-band h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:22px;}
.cta-band p{color:var(--muted);max-width:520px;margin:0 auto 34px;}

@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stub-grid{grid-template-columns:1fr 1fr;}
  .navbar .wrap{position:relative;}
  .menu-toggle{
    display:flex;
    position:absolute;
    right:24px;
    top:50%;
    transform:translateY(-50%);
  }
  .nav-links{display:none;}
  .nav-actions{gap:12px;}
  .nav-actions .btn-primary{
    padding:12px 16px;
    font-size:.68rem;
    gap:8px;
  }
  .nav-actions .btn-primary svg{width:12px;height:12px;}
}
@media (max-width:767px){
  .wrap{padding:25px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .footer-stats .wrap{justify-content:flex-start;}
  .stub-grid{grid-template-columns:1fr;}
  .page-hero{padding:calc(var(--nav-h) + 50px) 0 60px;}
  .navbar .wrap{gap:12px;}
  .logo-text{font-size:.92rem;}
  .logo-text span{font-size:.55rem;letter-spacing:.22em;}
  .nav-actions{gap:10px;}
  .nav-actions .btn-primary{
    padding:10px 12px;
    font-size:.62rem;
  }
  .nav-actions .btn-primary svg{display:none;}
  .menu-toggle{width:40px;height:40px;padding:5px;}
  .menu-toggle span{width:20px;}
  .mobile-panel{
    padding:78px 22px 28px;
  }
  .mobile-panel a{font-size:1.12rem;}
  .mobile-cta{width:100%;justify-content:center;}
}