/* ================================================================
   HRSU INDORE — Global Stylesheet
   ================================================================ */

:root {
  --navy-deep:  #050c1a;
  --navy:       #0a192f;
  --navy-light: #112240;
  --navy-mid:   #0d1e35;
  --gold:       #c9a84c;
  --gold-bright:#d4af37;
  --gold-dim:   rgba(201,168,76,0.12);
  --white:      #ffffff;
  --off-white:  #f5f2ec;
  --gray-100:   #e8e5df;
  --gray-light: #ccd6f6;
  --gray-mid:   #8892b0;
  --ease-out:   cubic-bezier(0.16,1,0.3,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;}
body{
  font-family:'DM Sans',system-ui,sans-serif;
  background:var(--navy);color:var(--gray-light);
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}

/* ================================================================
   PRELOADER — slides up on exit
   ================================================================ */
#preloader{
  position:fixed;inset:0;z-index:9999;
  background:var(--navy-deep);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  transition:transform 1s var(--ease-out);
}
#preloader.exit{transform:translateY(-100%);}
.pl-logo{
  font-family:'Playfair Display',Georgia,serif;
  font-size:clamp(1.6rem,4vw,2.6rem);font-weight:700;
  color:var(--gold);letter-spacing:0.1em;
}
.pl-sub{font-size:0.65rem;color:var(--gray-mid);letter-spacing:0.25em;text-transform:uppercase;margin-top:4px;}
.pl-bar{width:100px;height:1px;background:rgba(201,168,76,0.2);margin-top:22px;overflow:hidden;}
.pl-fill{height:100%;background:var(--gold);animation:plFill 1.5s var(--ease-out) forwards;}
@keyframes plFill{from{width:0}to{width:100%}}

/* ================================================================
   NAVBAR
   ================================================================ */
#navbar{
  position:fixed;top:0;left:0;right:0;z-index:800;
  padding:22px 0;
  transition:padding .3s ease,background .3s ease,backdrop-filter .3s;
}
#navbar.scrolled{
  padding:12px 0;
  background:rgba(5,12,26,.96);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(201,168,76,.1);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:12px;z-index:10;}
.nav-logo-text{
  font-family:'Playfair Display',serif;font-size:1.05rem;font-weight:700;
  color:var(--gold);line-height:1.15;
}
.nav-logo-sub{font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gray-mid);}
.nav-links{display:none;gap:32px;list-style:none;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-links a{
  font-size:.78rem;font-weight:500;color:var(--gray-light);
  letter-spacing:.03em;position:relative;transition:color .2s;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-3px;left:0;width:0;height:1px;
  background:var(--gold);transition:width .3s var(--ease-out);
}
.nav-links a:hover{color:var(--gold);}
.nav-links a:hover::after{width:100%;}
.nav-cta-wrap{display:none;gap:10px;}
@media(min-width:1024px){.nav-cta-wrap{display:flex;}}

/* Hamburger */
.ham-btn{
  display:flex;flex-direction:column;gap:5px;padding:8px;
  z-index:901;position:relative;
}
@media(min-width:1024px){.ham-btn{display:none;}}
.ham-line{
  display:block;width:26px;height:1.5px;background:var(--gold);
  transition:all .4s var(--ease-out);transform-origin:center;
}
.ham-btn.open .ham-line:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.ham-btn.open .ham-line:nth-child(2){opacity:0;transform:scaleX(0);}
.ham-btn.open .ham-line:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

/* ================================================================
   FULLSCREEN MENU OVERLAY — Fabrica-style
   ================================================================ */
#menu-overlay{
  position:fixed;inset:0;z-index:900;
  background:#05080f;
  display:flex;flex-direction:column;
  pointer-events:none;
  clip-path:inset(0 0 100% 0);
  transition:clip-path .7s var(--ease-out);
}
#menu-overlay.open{clip-path:inset(0 0 0% 0);pointer-events:all;}

.menu-grain{
  position:absolute;inset:0;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.78' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:200px 200px;mix-blend-mode:overlay;
}

/* Vertical gold accent line */
.menu-accent-line{
  position:absolute;left:50%;top:20%;bottom:20%;
  width:1px;background:linear-gradient(to bottom,transparent,rgba(201,168,76,.15),transparent);
  display:none;
}
@media(min-width:900px){.menu-accent-line{display:block;}}

/* Close button in overlay */
.menu-close-btn{
  position:absolute;top:28px;right:32px;
  display:flex;align-items:center;gap:10px;
  font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;color:var(--gray-mid);
  transition:color .2s;z-index:5;
}
@media(min-width:768px){.menu-close-btn{right:64px;}}
.menu-close-btn:hover{color:var(--gold);}
.close-x{
  width:18px;height:18px;position:relative;
}
.close-x::before,.close-x::after{
  content:'';position:absolute;top:50%;left:0;width:100%;height:1.5px;
  background:currentColor;transform-origin:center;
}
.close-x::before{transform:translateY(-50%) rotate(45deg);}
.close-x::after{transform:translateY(-50%) rotate(-45deg);}

.menu-body{
  flex:1;display:flex;flex-direction:column;
  padding:90px 32px 20px;
  overflow:hidden;
}
@media(min-width:768px){
  .menu-body{
    flex-direction:row;padding:90px 64px 40px;
  }
}

.menu-nav-col{
  display:flex;flex-direction:column;justify-content:center;
  flex:1;
}
.menu-nav-list{list-style:none;display:flex;flex-direction:column;gap:2px;}
.menu-nav-item{overflow:hidden;}
.menu-nav-link{
  display:block;
  font-family:'Playfair Display',serif;
  font-size:clamp(2.2rem,5.5vw,4.5rem);
  font-weight:700;color:rgba(255,255,255,.85);
  line-height:1.12;padding:4px 0;
  position:relative;
  transform:translateY(80px);opacity:0;
  transition:transform .7s var(--ease-out),opacity .7s var(--ease-out),color .25s;
}
.menu-nav-link .nav-num{
  font-family:'DM Sans',sans-serif;font-size:.55rem;font-weight:600;
  color:var(--gold);letter-spacing:.25em;text-transform:uppercase;
  display:block;margin-bottom:1px;
}
.menu-nav-link::after{
  content:'';position:absolute;bottom:0;left:0;width:0;height:1px;
  background:var(--gold);transition:width .4s var(--ease-out);
}
.menu-nav-link:hover{color:var(--gold);}
.menu-nav-link:hover::after{width:60%;}
#menu-overlay.open .menu-nav-link{transform:translateY(0);opacity:1;}
#menu-overlay.open .menu-nav-item:nth-child(1) .menu-nav-link{transition-delay:.12s;}
#menu-overlay.open .menu-nav-item:nth-child(2) .menu-nav-link{transition-delay:.18s;}
#menu-overlay.open .menu-nav-item:nth-child(3) .menu-nav-link{transition-delay:.24s;}
#menu-overlay.open .menu-nav-item:nth-child(4) .menu-nav-link{transition-delay:.30s;}
#menu-overlay.open .menu-nav-item:nth-child(5) .menu-nav-link{transition-delay:.36s;}
#menu-overlay.open .menu-nav-item:nth-child(6) .menu-nav-link{transition-delay:.42s;}

.menu-side-col{
  display:none;flex-direction:column;justify-content:flex-end;align-items:flex-end;
  padding-left:40px;flex:0 0 auto;
}
@media(min-width:768px){.menu-side-col{display:flex;}}

.menu-deco-text{
  font-family:'Playfair Display',serif;
  font-size:clamp(7rem,15vw,18rem);
  font-weight:700;color:transparent;
  -webkit-text-stroke:1px rgba(201,168,76,.12);
  line-height:.9;user-select:none;pointer-events:none;
  transform:translateX(60px);opacity:0;
  transition:transform 1s var(--ease-out),opacity 1s var(--ease-out);
  transition-delay:.15s;
}
#menu-overlay.open .menu-deco-text{transform:translateX(0);opacity:1;}

.menu-footer-bar{
  padding:16px 32px;
  border-top:1px solid rgba(255,255,255,.05);
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;
}
@media(min-width:768px){.menu-footer-bar{padding:16px 64px;}}
.menu-footer-links{display:flex;gap:24px;flex-wrap:wrap;}
.menu-footer-links a{
  font-size:.7rem;color:var(--gray-mid);letter-spacing:.06em;
  transition:color .2s;
}
.menu-footer-links a:hover{color:var(--gold);}
.menu-footer-cta{
  display:flex;align-items:center;gap:8px;
  font-size:.7rem;font-weight:600;color:var(--gold);
  letter-spacing:.08em;text-transform:uppercase;
}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn-gold{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--gold);color:var(--navy-deep);
  font-weight:700;font-size:.82rem;letter-spacing:.04em;
  padding:13px 28px;border-radius:3px;
  position:relative;overflow:hidden;
  transition:background .25s,transform .2s;
}
.btn-gold::after{
  content:'';position:absolute;top:0;left:-100%;width:40%;height:100%;
  background:linear-gradient(to right,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-20deg);transition:left .5s ease;
}
.btn-gold:hover{background:#d4af37;transform:translateY(-1px);}
.btn-gold:hover::after{left:160%;}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--gold);color:var(--gold);
  font-weight:500;font-size:.82rem;letter-spacing:.04em;
  padding:12px 28px;border-radius:3px;
  transition:background .25s,color .25s,transform .2s;
}
.btn-outline:hover{background:rgba(201,168,76,.1);color:#fff;transform:translateY(-1px);}

/* ================================================================
   HERO
   ================================================================ */
#hero{
  position:relative;min-height:100svh;
  display:flex;align-items:center;
  overflow:hidden;background:var(--navy-deep);
}
.hero-img-panel{
  position:absolute;right:0;top:0;bottom:0;width:55%;
  overflow:hidden;
}
@media(max-width:1023px){.hero-img-panel{width:100%;opacity:.22;}}
.hero-img-panel img{width:100%;height:100%;object-fit:cover;object-position:center 20%;}
.hero-img-panel::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to right,var(--navy-deep) 0%,rgba(5,12,26,.3) 100%);
}
@media(max-width:1023px){.hero-img-panel::after{background:rgba(5,12,26,.65);}}
.hero-glow{
  position:absolute;z-index:1;border-radius:50%;
  pointer-events:none;filter:blur(80px);
}
#particle-canvas{position:absolute;inset:0;z-index:1;pointer-events:none;}
.grain{
  position:absolute;inset:0;z-index:3;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.78' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:200px 200px;mix-blend-mode:overlay;
}
.hero-content{
  position:relative;z-index:4;
  max-width:1280px;margin:0 auto;
  padding:130px 32px 80px;width:100%;
}
@media(min-width:1024px){.hero-content{padding:150px 32px 80px;}}

/* Hero entrance animations */
.hero-line{opacity:0;transform:translateY(22px);animation:heroIn .85s var(--ease-out) forwards;}
.hero-line:nth-child(1){animation-delay:.5s;}
.hero-line:nth-child(2){animation-delay:.65s;}
.hero-line:nth-child(3){animation-delay:.8s;}
.hero-line:nth-child(4){animation-delay:.95s;}
.hero-line:nth-child(5){animation-delay:1.1s;}
@keyframes heroIn{to{opacity:1;transform:translateY(0);}}

.hero-eyebrow{
  display:flex;align-items:center;gap:12px;margin-bottom:24px;
}
.hero-eyebrow-line{width:28px;height:1px;background:var(--gold);}
.hero-eyebrow-text{
  font-size:.68rem;font-weight:600;color:var(--gold);
  letter-spacing:.2em;text-transform:uppercase;
}
.hero-h1{
  font-family:'Playfair Display',serif;
  font-size:clamp(2.8rem,6vw,5.8rem);
  line-height:1.04;font-weight:700;color:#fff;
  max-width:660px;margin-bottom:26px;
}
.hero-h1 em{color:var(--gold);font-style:normal;}
.hero-body{
  font-size:1.05rem;color:var(--gray-light);
  line-height:1.75;max-width:520px;margin-bottom:16px;
}
.hero-cite{
  font-size:.84rem;color:var(--gray-mid);line-height:1.7;
  max-width:460px;margin-bottom:40px;
  padding-left:14px;border-left:2px solid rgba(201,168,76,.4);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}

/* Video hover btn */
.video-btn{
  display:flex;align-items:center;gap:10px;
  color:var(--gray-mid);font-size:.84rem;
  transition:color .3s;position:relative;
}
.video-btn svg{transition:transform .3s;}
.video-btn:hover{color:#fff;}
.video-btn:hover svg{transform:scale(1.15);}
.video-preview{
  position:absolute;bottom:calc(100% + 14px);left:50%;
  transform:translateX(-50%) scale(.88) translateY(8px);
  width:200px;border-radius:8px;overflow:hidden;
  opacity:0;pointer-events:none;
  transition:all .35s var(--ease-out);
  box-shadow:0 24px 60px rgba(0,0,0,.7);
  border:1px solid rgba(201,168,76,.2);
}
.video-btn:hover .video-preview{opacity:1;transform:translateX(-50%) scale(1) translateY(0);}
.video-preview img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.video-preview-label{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(5,12,26,.4);
}

.scroll-hint{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  opacity:0;animation:heroIn .8s var(--ease-out) 1.5s forwards;
}
.scroll-hint span{font-size:.58rem;color:var(--gray-mid);letter-spacing:.2em;text-transform:uppercase;}
.scroll-line{
  width:1px;height:36px;
  background:linear-gradient(to bottom,var(--gold),transparent);
  animation:scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse{0%,100%{opacity:.4}50%{opacity:1}}

/* ================================================================
   STATS STRIP
   ================================================================ */
.stats-strip{
  background:var(--navy-light);
  border-top:1px solid rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.04);
  padding:28px 0;
}
.stats-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  display:flex;flex-wrap:wrap;justify-content:center;
}
.stat-item{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:8px 36px;position:relative;
}
.stat-item+.stat-item::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:40px;background:rgba(201,168,76,.2);
}
@media(max-width:640px){.stat-item+.stat-item::before{display:none;}.stat-item{padding:8px 20px;}}
.stat-num{
  font-family:'Playfair Display',serif;font-size:2.2rem;font-weight:700;
  line-height:1;color:var(--gold);
}
.stat-label{font-size:.62rem;font-weight:600;color:var(--gray-mid);letter-spacing:.18em;text-transform:uppercase;}

/* ================================================================
   MARQUEE
   ================================================================ */
.marquee-strip{
  background:var(--navy-mid);border-bottom:1px solid rgba(255,255,255,.04);
  padding:14px 0;overflow:hidden;position:relative;
}
.marquee-strip::before,.marquee-strip::after{
  content:'';position:absolute;top:0;bottom:0;width:80px;z-index:2;pointer-events:none;
}
.marquee-strip::before{left:0;background:linear-gradient(to right,var(--navy-mid),transparent);}
.marquee-strip::after{right:0;background:linear-gradient(to left,var(--navy-mid),transparent);}
.marquee-track{
  display:flex;gap:0;width:max-content;
  animation:mScroll 42s linear infinite;
}
.marquee-track:hover{animation-play-state:paused;}
@keyframes mScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.m-item{
  display:flex;align-items:center;gap:8px;padding:0 28px;
  font-size:.68rem;font-weight:500;letter-spacing:.15em;
  text-transform:uppercase;color:var(--gray-mid);white-space:nowrap;
}
.m-dot{width:3px;height:3px;border-radius:50%;background:var(--gold);flex-shrink:0;}

/* ================================================================
   PRODUCT GRAIN SECTION — White/cream, trust-builder
   ================================================================ */
#product{
  background:var(--off-white);color:#0a192f;
  position:relative;overflow:hidden;
}
.product-grid{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:1fr;
  min-height:85vh;
}
@media(min-width:900px){.product-grid{grid-template-columns:1fr 1fr;}}

.product-img-col{
  position:relative;overflow:hidden;min-height:420px;
}
@media(min-width:900px){.product-img-col{min-height:auto;}}
.product-img-col img{width:100%;height:100%;object-fit:cover;object-position:center;}
.product-img-badge{
  position:absolute;bottom:20px;left:20px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-radius:5px;padding:10px 14px;
  font-size:.65rem;font-weight:700;color:#0a192f;
  letter-spacing:.1em;text-transform:uppercase;
  border-left:2px solid var(--gold-bright);
}

.product-text-col{
  padding:80px 56px;
  display:flex;flex-direction:column;justify-content:center;
}
@media(max-width:899px){.product-text-col{padding:64px 32px;}}

.product-eyebrow{
  font-size:.62rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold-bright);margin-bottom:14px;
}
.product-h2{
  font-family:'Playfair Display',serif;
  font-size:clamp(2rem,3.5vw,3rem);font-weight:700;
  line-height:1.15;color:var(--navy);margin-bottom:18px;
}
.product-body{font-size:.98rem;line-height:1.78;color:#4a5568;margin-bottom:28px;}

.spec-pills{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:36px;}
.spec-pill{
  background:#fff;border:1px solid rgba(10,25,47,.07);
  border-radius:7px;padding:14px 16px;
  box-shadow:0 2px 8px rgba(0,0,0,.04);
}
.spec-pill-val{
  font-family:'Playfair Display',serif;font-size:1.45rem;font-weight:700;
  color:var(--navy);line-height:1;
}
.spec-pill-key{font-size:.65rem;color:#6b7280;margin-top:4px;}

/* ================================================================
   INDUSTRIES STACKING SECTION
   ================================================================ */
#industries{background:var(--navy-deep);}

.stack-intro{
  max-width:1280px;margin:0 auto;
  padding:100px 32px 60px;
}
.section-eyebrow{
  font-size:.62rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold);margin-bottom:12px;
}
.section-h2{
  font-family:'Playfair Display',serif;
  font-size:clamp(2.4rem,5vw,4rem);font-weight:700;
  line-height:1.1;color:#fff;
}
.section-h2 em{color:var(--gold);font-style:normal;}

/* Sticky viewport container */
.stack-sticky{
  position:sticky;top:0;height:100svh;
  overflow:hidden;
}
/* Each card absolutely fills the sticky container */
.stack-card{
  position:absolute;inset:0;
  will-change:transform,opacity;
}
.stack-card:first-child{transform:translateY(0);}
.stack-card:not(:first-child){transform:translateY(100%);}

.stack-card-inner{
  width:100%;height:100%;display:grid;grid-template-columns:1fr;
}
@media(min-width:900px){.stack-card-inner{grid-template-columns:1fr 1fr;}}

.stack-img{position:relative;overflow:hidden;min-height:260px;}
@media(min-width:900px){.stack-img{min-height:auto;}}
.stack-img img{width:100%;height:100%;object-fit:cover;}
.stack-img-overlay{position:absolute;inset:0;}

.stack-text{
  display:flex;flex-direction:column;justify-content:center;
  padding:60px 52px;position:relative;overflow:hidden;
}
@media(max-width:899px){.stack-text{padding:48px 32px;}}

/* Odd cards: default (img right), even cards: reverse */
.stack-card:nth-child(even) .stack-card-inner{direction:rtl;}
.stack-card:nth-child(even) .stack-card-inner>*{direction:ltr;}

.stack-big-num{
  font-family:'Playfair Display',serif;font-size:clamp(7rem,14vw,18rem);
  font-weight:700;color:transparent;line-height:.85;
  position:absolute;right:-10px;bottom:-20px;
  user-select:none;pointer-events:none;
}
.stack-cat{font-size:.6rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;margin-bottom:12px;}
.stack-title{
  font-family:'Playfair Display',serif;
  font-size:clamp(1.8rem,2.8vw,2.6rem);font-weight:700;
  line-height:1.15;margin-bottom:16px;
}
.stack-body{font-size:.95rem;line-height:1.78;margin-bottom:24px;}
.stack-tags{display:flex;flex-wrap:wrap;gap:8px;}
.stack-tag{
  font-size:.64rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:20px;border:1px solid;
}

/* Card themes */
.stack-card[data-theme="agri"]{background:#071a10;}
.stack-card[data-theme="agri"] .stack-cat,.stack-card[data-theme="agri"] .stack-tag{color:#4ade80;border-color:rgba(74,222,128,.3);}
.stack-card[data-theme="agri"] .stack-title{color:#f0fff4;}
.stack-card[data-theme="agri"] .stack-body{color:#6b9e7a;}
.stack-card[data-theme="agri"] .stack-big-num{-webkit-text-stroke:1.5px rgba(74,222,128,.08);}
.stack-card[data-theme="agri"] .stack-img-overlay{background:linear-gradient(to right,#071a10,transparent);}
.stack-card[data-theme="agri"]:nth-child(even) .stack-img-overlay{background:linear-gradient(to left,#071a10,transparent);}

.stack-card[data-theme="hydro"]{background:#05141e;}
.stack-card[data-theme="hydro"] .stack-cat,.stack-card[data-theme="hydro"] .stack-tag{color:#38bdf8;border-color:rgba(56,189,248,.3);}
.stack-card[data-theme="hydro"] .stack-title{color:#f0f9ff;}
.stack-card[data-theme="hydro"] .stack-body{color:#5a8fa8;}
.stack-card[data-theme="hydro"] .stack-big-num{-webkit-text-stroke:1.5px rgba(56,189,248,.08);}
.stack-card[data-theme="hydro"] .stack-img-overlay{background:linear-gradient(to right,#05141e,transparent);}
.stack-card[data-theme="hydro"]:nth-child(even) .stack-img-overlay{background:linear-gradient(to left,#05141e,transparent);}

.stack-card[data-theme="constr"]{background:#1a1000;}
.stack-card[data-theme="constr"] .stack-cat,.stack-card[data-theme="constr"] .stack-tag{color:var(--gold-bright);border-color:rgba(212,175,55,.3);}
.stack-card[data-theme="constr"] .stack-title{color:#fffcf0;}
.stack-card[data-theme="constr"] .stack-body{color:#9e8a58;}
.stack-card[data-theme="constr"] .stack-big-num{-webkit-text-stroke:1.5px rgba(212,175,55,.08);}
.stack-card[data-theme="constr"] .stack-img-overlay{background:linear-gradient(to right,#1a1000,transparent);}
.stack-card[data-theme="constr"]:nth-child(even) .stack-img-overlay{background:linear-gradient(to left,#1a1000,transparent);}

.stack-card[data-theme="waste"]{background:#041a14;}
.stack-card[data-theme="waste"] .stack-cat,.stack-card[data-theme="waste"] .stack-tag{color:#34d399;border-color:rgba(52,211,153,.3);}
.stack-card[data-theme="waste"] .stack-title{color:#f0faf8;}
.stack-card[data-theme="waste"] .stack-body{color:#447a6a;}
.stack-card[data-theme="waste"] .stack-big-num{-webkit-text-stroke:1.5px rgba(52,211,153,.08);}
.stack-card[data-theme="waste"] .stack-img-overlay{background:linear-gradient(to right,#041a14,transparent);}
.stack-card[data-theme="waste"]:nth-child(even) .stack-img-overlay{background:linear-gradient(to left,#041a14,transparent);}

.stack-card[data-theme="indust"]{background:#0e0e18;}
.stack-card[data-theme="indust"] .stack-cat,.stack-card[data-theme="indust"] .stack-tag{color:#a78bfa;border-color:rgba(167,139,250,.3);}
.stack-card[data-theme="indust"] .stack-title{color:#f5f3ff;}
.stack-card[data-theme="indust"] .stack-body{color:#7066a0;}
.stack-card[data-theme="indust"] .stack-big-num{-webkit-text-stroke:1.5px rgba(167,139,250,.08);}
.stack-card[data-theme="indust"] .stack-img-overlay{background:linear-gradient(to right,#0e0e18,transparent);}
.stack-card[data-theme="indust"]:nth-child(even) .stack-img-overlay{background:linear-gradient(to left,#0e0e18,transparent);}

/* Stack progress + dots */
.stack-progress-bar{
  position:absolute;top:0;left:0;right:0;height:2px;z-index:10;
  background:rgba(255,255,255,.06);
}
.stack-progress-fill{height:100%;background:var(--gold);width:0;transition:width .08s linear;}
.stack-dots{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:8px;z-index:10;
}
.s-dot{
  width:5px;height:5px;border-radius:50%;
  background:rgba(255,255,255,.2);transition:all .3s;cursor:pointer;
}
.s-dot.active{background:var(--gold);transform:scale(1.5);}

/* ================================================================
   HORIZONTAL SCROLL FEATURES — Pinned
   ================================================================ */
#advantage{position:relative;}
.h-sticky{position:sticky;top:0;height:100svh;overflow:hidden;}
.h-track{
  display:flex;height:100%;
  will-change:transform;
}
.h-slide{
  flex:0 0 100vw;height:100%;
  display:flex;align-items:center;
  padding:80px 32px;position:relative;overflow:hidden;
}
@media(min-width:768px){.h-slide{padding:80px 80px;}}

.h-slide[data-theme="light"]{background:var(--off-white);}
.h-slide[data-theme="dark"]{background:var(--navy-deep);}

.h-content{max-width:580px;position:relative;z-index:2;}

.h-big-num{
  font-family:'Playfair Display',serif;
  font-size:clamp(9rem,18vw,22rem);
  font-weight:700;color:transparent;line-height:.85;
  position:absolute;right:-20px;top:50%;transform:translateY(-50%);
  user-select:none;pointer-events:none;z-index:1;
}
.h-slide[data-theme="light"] .h-big-num{-webkit-text-stroke:2px rgba(10,25,47,.06);}
.h-slide[data-theme="dark"] .h-big-num{-webkit-text-stroke:2px rgba(201,168,76,.08);}

.h-cat{font-size:.6rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;}
.h-title{
  font-family:'Playfair Display',serif;
  font-size:clamp(2rem,3.8vw,3.6rem);font-weight:700;line-height:1.1;margin-bottom:18px;
}
.h-slide[data-theme="light"] .h-title{color:var(--navy);}
.h-slide[data-theme="dark"] .h-title{color:#fff;}
.h-body{font-size:.97rem;line-height:1.78;margin-bottom:26px;max-width:460px;}
.h-slide[data-theme="light"] .h-body{color:#4a5568;}
.h-slide[data-theme="dark"] .h-body{color:var(--gray-mid);}

.h-metrics{display:flex;gap:36px;flex-wrap:wrap;margin-bottom:26px;}
.h-metric-val{
  font-family:'Playfair Display',serif;font-size:2.2rem;font-weight:700;
  color:var(--gold);line-height:1;
}
.h-metric-key{font-size:.62rem;letter-spacing:.05em;margin-top:5px;}
.h-slide[data-theme="light"] .h-metric-key{color:#6b7280;}
.h-slide[data-theme="dark"] .h-metric-key{color:var(--gray-mid);}

.h-tags{display:flex;flex-wrap:wrap;gap:8px;}
.h-tag{font-size:.65rem;font-weight:600;letter-spacing:.06em;padding:5px 11px;border-radius:3px;}
.h-slide[data-theme="light"] .h-tag{background:rgba(10,25,47,.07);color:var(--navy);}
.h-slide[data-theme="dark"] .h-tag{background:var(--gold-dim);color:var(--gold);}

/* Scroll progress bar at bottom */
.h-prog-bar{
  position:absolute;bottom:0;left:0;right:0;height:2px;
  background:rgba(255,255,255,.07);z-index:20;
}
.h-prog-fill{height:100%;background:var(--gold);width:0;transition:width .05s linear;}

/* Slide counter */
.h-slide-counter{
  position:absolute;bottom:28px;right:32px;
  font-size:.65rem;letter-spacing:.1em;z-index:20;
  font-family:'Playfair Display',serif;
}
.h-slide[data-theme="light"] .h-slide-counter{color:#94a3b8;}
.h-slide[data-theme="dark"] .h-slide-counter{color:var(--gray-mid);}
.h-slide-counter strong{color:var(--gold);font-size:.9rem;}

/* Scroll hint in h-section */
.h-scroll-hint{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:8px;z-index:20;
  font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;
}
.h-slide[data-theme="light"] .h-scroll-hint{color:#94a3b8;}
.h-slide[data-theme="dark"] .h-scroll-hint{color:var(--gray-mid);}
.h-arrow-anim{animation:hArrow 2s ease-in-out infinite;}
@keyframes hArrow{0%,100%{transform:translateX(0);opacity:.6}50%{transform:translateX(5px);opacity:1}}

/* ================================================================
   SECTION COMMON
   ================================================================ */
.reveal{
  opacity:0;transform:translateY(36px);
  transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);
}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal[data-delay="1"]{transition-delay:.1s;}
.reveal[data-delay="2"]{transition-delay:.2s;}
.reveal[data-delay="3"]{transition-delay:.3s;}
.reveal[data-delay="4"]{transition-delay:.4s;}
.reveal[data-delay="5"]{transition-delay:.5s;}
.reveal-left{
  opacity:0;transform:translateX(-36px);
  transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);
}
.reveal-left.visible{opacity:1;transform:translateX(0);}
.reveal-right{
  opacity:0;transform:translateX(36px);
  transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);
}
.reveal-right.visible{opacity:1;transform:translateX(0);}
.reveal-left[data-delay="1"]{transition-delay:.1s;}
.reveal-left[data-delay="2"]{transition-delay:.2s;}
.reveal-left[data-delay="3"]{transition-delay:.3s;}
.reveal-left[data-delay="4"]{transition-delay:.4s;}
.reveal-right[data-delay="1"]{transition-delay:.1s;}
.reveal-right[data-delay="2"]{transition-delay:.2s;}
.reveal-right[data-delay="3"]{transition-delay:.3s;}
.reveal-right[data-delay="4"]{transition-delay:.4s;}

/* Section headings helper */
.s-eyebrow{font-size:.62rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);}
.s-h2-white{font-family:'Playfair Display',serif;font-size:clamp(2rem,4vw,3.2rem);font-weight:700;line-height:1.1;color:#fff;}
.s-h2-dark{font-family:'Playfair Display',serif;font-size:clamp(2rem,4vw,3.2rem);font-weight:700;line-height:1.1;color:var(--navy);}
.gold-underline::after{
  content:'';display:block;width:50px;height:2px;
  background:var(--gold);margin:14px auto 0;
}
.gold-underline-left::after{
  content:'';display:block;width:50px;height:2px;
  background:var(--gold);margin:14px 0 0;
}

/* ================================================================
   SPECS SECTION
   ================================================================ */
#specs{padding:100px 0;background:var(--navy);}
.spec-table{width:100%;border-collapse:collapse;}
.spec-table tr:hover td{background:rgba(201,168,76,.04);}

/* Spec tabs */
.spec-tab{
  cursor:pointer;font-size:.78rem;font-weight:600;
  padding:8px 20px;border-radius:3px;
  border:1px solid rgba(201,168,76,.2);
  background:transparent;color:var(--gray-mid);
  transition:background .2s,color .2s,border-color .2s;
  letter-spacing:.03em;
}
.spec-tab:hover{border-color:rgba(201,168,76,.4);color:var(--gray-light);}
.spec-tab.active{
  background:var(--gold);
  color:var(--navy-deep);
  border-color:var(--gold);
}
.spec-panel{display:none;}
.spec-panel.active{display:block;}

/* Section height for stacking effect */
#industries{min-height:600vh;}

/* Section height for horizontal scroll */
#advantage{min-height:500vh;}

/* ================================================================
   PORT / EXPORT SECTION
   ================================================================ */
.port-section{
  background-image:url('https://images.unsplash.com/photo-1578662996442-48f60103fc96?q=80&w=1920&auto=format&fit=crop');
  background-size:cover;background-position:center;
  background-attachment:fixed;position:relative;padding:140px 0;
}
@media(max-width:768px){.port-section{background-attachment:scroll;}}
.port-section::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to right,rgba(5,12,26,.95) 50%,rgba(5,12,26,.6));
}

/* ================================================================
   PROCUREMENT ASSURANCE
   ================================================================ */
#assurance{padding:100px 0;background:var(--navy-mid);}
.assurance-item{
  border-left:2px solid rgba(201,168,76,.22);padding-left:22px;
  transition:border-color .3s;
}
.assurance-item:hover{border-left-color:rgba(201,168,76,.65);}

/* ================================================================
   FAQ
   ================================================================ */
#faq{padding:110px 0;background:var(--navy);}
.faq-body{max-height:0;overflow:hidden;transition:max-height .45s ease,padding .3s ease;}
.faq-body.open{max-height:400px;}

/* ================================================================
   CONNECT CTA
   ================================================================ */
.connect-section{
  background:linear-gradient(155deg,#030c18 0%,#081420 55%,#0d1f35 100%);
  padding:120px 0;position:relative;overflow:hidden;
}
.connect-section::before{
  content:'';position:absolute;top:-100px;right:-80px;
  width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,168,76,.07) 0%,transparent 68%);
  pointer-events:none;
}
.connect-option{
  display:flex;align-items:center;gap:16px;
  padding:18px 22px;border:1px solid rgba(201,168,76,.12);
  border-radius:10px;
  transition:all .3s ease;background:rgba(255,255,255,.02);
}
.connect-option:hover{
  border-color:rgba(201,168,76,.3);
  background:rgba(201,168,76,.04);
  transform:translateX(5px);
}
.connect-opt-icon{
  width:44px;height:44px;border-radius:9px;
  background:rgba(201,168,76,.07);border:1px solid rgba(201,168,76,.16);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:all .3s;
}
.connect-option:hover .connect-opt-icon{background:rgba(201,168,76,.15);border-color:rgba(201,168,76,.35);}

/* ================================================================
   CARD HOVER EFFECT (generic)
   ================================================================ */
.card-hover{transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;}
.card-hover:hover{
  transform:translateY(-5px);
  box-shadow:0 20px 40px rgba(0,0,0,.3);
  border-color:rgba(201,168,76,.3)!important;
}

/* ================================================================
   CERTIFICATIONS SECTION
   ================================================================ */
#certifications{padding:80px 0;background:var(--navy-mid);}
.cert-badge{border:1px solid rgba(201,168,76,.3);transition:border-color .3s,background .3s;}
.cert-badge:hover{border-color:rgba(201,168,76,.7);background:rgba(201,168,76,.07);}

/* ================================================================
   FLOAT CONTACT WIDGET
   ================================================================ */
#float-contact{position:fixed;bottom:28px;right:28px;z-index:500;display:flex;flex-direction:column;align-items:flex-end;}
.fc-card{
  width:244px;background:#081522;
  border:1px solid rgba(201,168,76,.18);border-radius:14px;overflow:hidden;
  box-shadow:0 28px 68px rgba(0,0,0,.55);
  transform:translateY(14px) scale(.95);opacity:0;pointer-events:none;
  transition:all .36s cubic-bezier(.34,1.56,.64,1);margin-bottom:10px;
}
.fc-card.fc-open{transform:translateY(0) scale(1);opacity:1;pointer-events:all;}
.fc-head{padding:14px 16px 10px;border-bottom:1px solid rgba(201,168,76,.09);}
.fc-opt{
  display:flex;align-items:center;gap:12px;padding:12px 16px;
  border-bottom:1px solid rgba(255,255,255,.04);transition:background .2s;
}
.fc-opt:last-child{border-bottom:none;}
.fc-opt:hover{background:rgba(201,168,76,.055);}
.fc-opt-icon{
  width:30px;height:30px;border-radius:7px;
  background:rgba(201,168,76,.07);border:1px solid rgba(201,168,76,.15);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:all .2s;
}
.fc-opt:hover .fc-opt-icon{background:rgba(201,168,76,.15);border-color:rgba(201,168,76,.3);}
.fc-trigger{
  width:52px;height:52px;background:var(--navy);
  border:1.5px solid rgba(201,168,76,.48);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transition:all .3s;box-shadow:0 4px 22px rgba(0,0,0,.45);position:relative;
}
.fc-trigger::after{
  content:'';position:absolute;inset:-5px;border-radius:50%;
  border:1px solid rgba(201,168,76,.22);
  animation:fcRing 3s ease-out infinite;
}
@keyframes fcRing{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.45);opacity:0}}
.fc-trigger:hover{border-color:var(--gold);}
.fc-trigger.fc-open{background:var(--navy-light);border-color:var(--gold);}
.fc-trigger.fc-open::after{animation:none;opacity:0;}

/* ================================================================
   MOBILE BAR
   ================================================================ */
#mob-bar{display:none;}
@media(max-width:1023px){
  #mob-bar{
    display:flex;position:fixed;bottom:0;left:0;right:0;z-index:450;
    background:rgba(5,13,25,.97);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-top:1px solid rgba(201,168,76,.18);
    padding:10px 16px;padding-bottom:max(10px,env(safe-area-inset-bottom));
    gap:10px;align-items:center;
  }
  #float-contact{display:none;}
  footer{padding-bottom:76px!important;}
}

/* ================================================================
   FOOTER
   ================================================================ */
footer{background:#050e1b;}
.footer-link{color:var(--gray-mid);transition:color .2s;}
.footer-link:hover{color:var(--gold);}
.map-frame{
  border-radius:10px;overflow:hidden;
  border:1px solid rgba(201,168,76,.12);
  filter:grayscale(35%) brightness(.8);
  transition:filter .4s;
}
.map-frame:hover{filter:grayscale(15%) brightness(.9);}
.gold-rule{height:1px;background:linear-gradient(to right,transparent,rgba(201,168,76,.18),transparent);}

/* ================================================================
   HERITAGE TIMELINE
   ================================================================ */
.tl-dot{
  width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(201,168,76,.5);background:var(--navy);
  margin:0 auto 14px;position:relative;z-index:1;
  box-shadow:0 0 12px rgba(201,168,76,.1);
  transition:box-shadow .3s,border-color .3s;
}
.tl-node:hover .tl-dot{border-color:var(--gold);box-shadow:0 0 22px rgba(201,168,76,.28);}
.tl-sweep{width:0;height:1px;background:linear-gradient(to right,rgba(201,168,76,.4),rgba(201,168,76,.22));transition:width 1.2s var(--ease-out);}
.tl-sweep.visible{width:100%;}

/* ================================================================
   MISC
   ================================================================ */
.dot-grid{
  background-image:radial-gradient(rgba(201,168,76,.05) 1.5px,transparent 1.5px);
  background-size:28px 28px;
}
.counter{font-variant-numeric:tabular-nums;}