/* =========================================
   Tridiagonal Corporation – Main Stylesheet
   Modern Corporate Design
   ========================================= */

/* ---------- CSS Variables ---------- */
:root {
  --primary:       #1e3a5f;
  --primary-light: #2a4f82;
  --secondary:     #0076c0;
  --accent:        #f76c1b;
  --accent-dark:   #e05c0a;
  --text-dark:     #1a1a2e;
  --text-body:     #4a5568;
  --text-light:    #718096;
  --bg-light:      #f7f9fc;
  --bg-white:      #ffffff;
  --border:        #e2e8f0;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
  --shadow-md:     0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:     0 10px 40px rgba(0,0,0,.15);
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --transition:    all .3s ease;
  --font-heading:  'Poppins', sans-serif;
  --font-body:     'Inter', sans-serif;
}

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--text-body);background:#fff;line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ---------- Typography ---------- */
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-dark);line-height:1.25;font-weight:700}
h1{font-size:clamp(2rem,4vw,3.5rem)}h2{font-size:clamp(1.75rem,3vw,2.5rem)}
h3{font-size:clamp(1.25rem,2.5vw,1.75rem)}h4{font-size:1.25rem}p{line-height:1.8}

/* ---------- Utilities ---------- */
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}
.section-pad{padding:90px 0}.section-pad-sm{padding:60px 0}
.text-center{text-align:center}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}

.section-label{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--secondary);background:rgba(0,118,192,.1);padding:.35rem 1rem;
  border-radius:50px;margin-bottom:1rem
}
.section-label::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--accent);display:block}
.section-title{margin-bottom:.75rem}
.section-subtitle{font-size:1.05rem;color:var(--text-light);max-width:560px;margin:0 auto 2.5rem}

.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 2rem;border-radius:50px;font-weight:600;font-size:.95rem;letter-spacing:.02em;transition:var(--transition)}
.btn-primary{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);color:#fff;box-shadow:0 4px 18px rgba(247,108,27,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(247,108,27,.45);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 4px 15px rgba(0,0,0,.15)}
.btn-white:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.btn-secondary{background:var(--secondary);color:#fff;box-shadow:0 4px 15px rgba(0,118,192,.3)}
.btn-secondary:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-orange{background:var(--accent);color:#fff;box-shadow:0 4px 15px rgba(247,108,27,.3)}
.btn-orange:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}

/* ============================================================
   TOP BAR
   ============================================================ */
.top-bar{background:var(--primary);color:rgba(255,255,255,.85);font-size:.82rem;padding:.5rem 0}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.top-bar-left{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}
.top-bar-left a{color:rgba(255,255,255,.85);display:flex;align-items:center;gap:.4rem}
.top-bar-left a:hover{color:var(--accent)}
.top-bar-right{display:flex;align-items:center;gap:1rem}
.top-bar-right a{color:rgba(255,255,255,.7);font-size:1rem}
.top-bar-right a:hover{color:var(--accent)}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 20px rgba(0,0,0,.08);transition:var(--transition)}
.site-header.scrolled{box-shadow:0 4px 30px rgba(0,0,0,.12)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:80px;gap:2rem}
.header-logo{flex-shrink:0}
.header-logo img{height:62px;width:auto;object-fit:contain}

/* Nav */
.main-nav{display:flex;align-items:center;gap:.25rem}
.main-nav>li{position:relative}
.main-nav>li>a{display:flex;align-items:center;gap:.35rem;padding:.6rem 1rem;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;color:var(--text-dark);white-space:nowrap}
.main-nav>li>a:hover,.main-nav>li.active>a{color:var(--secondary)}
.nav-arrow{font-size:.65rem;transition:transform .25s}
.main-nav>li:hover>a .nav-arrow{transform:rotate(180deg)}

/* Active indicator */
.main-nav>li.active>a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:24px;height:2px;background:var(--accent);border-radius:2px}

/* Dropdown */
.dropdown{position:absolute;top:calc(100% + 8px);left:0;background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:200px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;border-top:3px solid var(--accent)}
.main-nav>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{display:block;padding:.6rem 1.25rem;font-size:.875rem;color:var(--text-body);transition:var(--transition)}
.dropdown li a:hover{color:var(--accent);background:var(--bg-light);padding-left:1.5rem}

/* Mega Menu */
.mega-menu{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(10px);background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);width:900px;padding:2rem;opacity:0;visibility:hidden;transition:all .25s ease;border-top:3px solid var(--accent);display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.main-nav>li:hover .mega-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-col-title{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);padding-bottom:.5rem;margin-bottom:.5rem;border-bottom:2px solid var(--border)}
.mega-col-title a{color:var(--accent)}.mega-col-title a:hover{color:var(--primary)}
.mega-menu ul{display:flex;flex-direction:column;gap:.1rem}
.mega-menu ul li a{font-size:.8rem;color:var(--text-body);padding:.3rem .5rem;border-radius:4px;display:block}
.mega-menu ul li a:hover{color:var(--accent);background:var(--bg-light);padding-left:.75rem}

/* Header CTA */
.header-cta{display:flex;align-items:center;gap:.75rem}
.header-cta .btn{padding:.6rem 1.4rem;font-size:.85rem}

/* Mobile Toggle */
.nav-toggle{display:none;flex-direction:column;gap:5px;width:32px;cursor:pointer;padding:4px}
.nav-toggle span{display:block;height:2px;background:var(--primary);border-radius:2px;transition:var(--transition)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile Nav */
.mobile-nav{display:none;position:fixed;inset:0;z-index:999;background:rgba(0,0,0,.5)}
.mobile-nav.open{display:block}
.mobile-nav-inner{position:absolute;right:0;top:0;bottom:0;width:min(340px,90vw);background:#fff;overflow-y:auto;transform:translateX(100%);transition:transform .35s ease;padding:1.5rem}
.mobile-nav.open .mobile-nav-inner{transform:translateX(0)}
.mobile-nav-close{display:flex;justify-content:flex-end;margin-bottom:1.5rem}
.mobile-nav-close button{font-size:1.5rem;color:var(--text-dark)}
.mobile-nav ul{display:flex;flex-direction:column}
.mobile-nav>.mobile-nav-inner>ul>li{border-bottom:1px solid var(--border)}
.mobile-nav a{display:block;padding:.75rem .5rem;font-weight:600;color:var(--text-dark)}
.mobile-nav a:hover{color:var(--accent)}
.mobile-accordion-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.75rem .5rem;font-weight:600;color:var(--text-dark);background:none;border:none;font-family:inherit;font-size:1rem;cursor:pointer}
.mobile-accordion-btn i{font-size:.7rem;transition:transform .25s}
.mobile-accordion-btn.active i{transform:rotate(180deg)}
.mobile-sub{display:none;padding-left:1rem;background:var(--bg-light);border-radius:var(--radius-sm);margin-bottom:.5rem}
.mobile-sub.open{display:block}
.mobile-sub a{font-size:.875rem;font-weight:400;padding:.5rem .75rem;color:var(--text-body)}
.mobile-sub-title{font-size:.75rem;font-weight:700;text-transform:uppercase;color:var(--accent);padding:.75rem .75rem .25rem}

/* ============================================================
   HERO SLIDER
   ============================================================ */
.hero-slider{position:relative;overflow:hidden}
.hero-slide{position:relative;min-height:640px;display:flex;align-items:center;background:var(--primary);overflow:hidden}
.hero-slide::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(30,58,95,.92) 0%,rgba(30,58,95,.55) 55%,rgba(0,118,192,.2) 100%);z-index:1}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transform:scale(1.05);transition:transform 8s ease}
.swiper-slide-active .hero-bg{transform:scale(1)}
.hero-content{position:relative;z-index:2;max-width:640px;color:#fff;padding:3rem 0}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(247,108,27,.2);border:1px solid rgba(247,108,27,.4);color:var(--accent);font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:.4rem 1rem;border-radius:50px;margin-bottom:1.25rem}
.hero-badge i{font-size:.8rem}
.hero-title{font-size:clamp(2rem,4.5vw,3.75rem);color:#fff;line-height:1.12;margin-bottom:1.25rem;font-weight:800}
.hero-title span{color:var(--accent)}
.hero-desc{font-size:1.05rem;color:rgba(255,255,255,.85);margin-bottom:2rem;max-width:500px;line-height:1.8}
.hero-btns{display:flex;gap:1rem;flex-wrap:wrap}
.hero-stat-strip{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.4);backdrop-filter:blur(8px);z-index:3;padding:.9rem 0}
.hero-stats{display:flex;justify-content:center;gap:3rem;flex-wrap:wrap}
.hero-stat{text-align:center;color:#fff}
.hero-stat .num{font-size:1.6rem;font-weight:800;font-family:var(--font-heading);color:var(--accent);display:block;line-height:1}
.hero-stat .lbl{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.7)}

/* Swiper */
.swiper-pagination-bullet{width:28px;height:4px;border-radius:2px;background:rgba(255,255,255,.4);transition:var(--transition);opacity:1}
.swiper-pagination-bullet-active{background:var(--accent);width:44px}
.hero-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:10}
.hero-prev{left:2rem}.hero-next{right:2rem}
.hero-nav button{width:50px;height:50px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;border:2px solid rgba(255,255,255,.25);font-size:1rem;transition:var(--transition);backdrop-filter:blur(4px)}
.hero-nav button:hover{background:var(--accent);border-color:var(--accent)}

/* ============================================================
   FEATURES STRIP
   ============================================================ */
.features-strip{background:var(--secondary);padding:0}
.features-strip .container{display:grid;grid-template-columns:repeat(4,1fr)}
.feature-item{display:flex;align-items:center;gap:1rem;color:#fff;padding:1.4rem 1.5rem;border-right:1px solid rgba(255,255,255,.15);transition:var(--transition)}
.feature-item:last-child{border-right:none}
.feature-item:hover{background:rgba(255,255,255,.1)}
.feature-icon{font-size:1.8rem;flex-shrink:0;color:var(--accent)}
.feature-text strong{display:block;font-size:.9rem;font-weight:700}
.feature-text span{font-size:.78rem;opacity:.85}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section{background:#fff}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}
.about-images{position:relative}
.about-img-main{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3}
.about-img-main img{width:100%;height:100%;object-fit:cover}
.about-img-thumb{position:absolute;bottom:-1.5rem;right:-1.5rem;width:45%;border-radius:var(--radius-md);border:4px solid #fff;overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:1}
.about-img-thumb img{width:100%;height:100%;object-fit:cover}
.about-exp-badge{position:absolute;top:1.5rem;left:-1.5rem;background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;border-radius:var(--radius-md);padding:1.2rem 1.5rem;text-align:center;box-shadow:0 8px 25px rgba(247,108,27,.4)}
.about-exp-badge .num{font-size:2.5rem;font-weight:800;line-height:1;display:block;font-family:var(--font-heading)}
.about-exp-badge .label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;opacity:.9}
.about-list{display:flex;flex-direction:column;gap:.75rem;margin:1.75rem 0}
.about-list li{display:flex;align-items:flex-start;gap:.75rem;font-size:.9rem}
.about-list li i{color:var(--accent);font-size:1rem;margin-top:.2rem;flex-shrink:0}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem}
.stat-card{text-align:center;padding:1.5rem 1rem;background:var(--bg-light);border-radius:var(--radius-md);border-bottom:3px solid var(--accent);transition:var(--transition)}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stat-card .num{font-size:2.25rem;font-weight:800;color:var(--primary);font-family:var(--font-heading);display:block}
.stat-card .label{font-size:.8rem;color:var(--text-light);text-transform:uppercase;letter-spacing:.06em}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-section{background:var(--bg-light);position:relative;overflow:hidden}
.how-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;position:relative}
.how-steps::before{content:'';position:absolute;top:3.5rem;left:12.5%;right:12.5%;height:2px;background:repeating-linear-gradient(to right,var(--accent) 0,var(--accent) 12px,transparent 12px,transparent 24px);z-index:0}
.how-card{text-align:center;position:relative;z-index:1}
.how-num{width:72px;height:72px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:800;font-family:var(--font-heading);margin:0 auto 1.25rem;box-shadow:0 6px 20px rgba(30,58,95,.3);transition:var(--transition);border:4px solid #fff}
.how-card:hover .how-num{background:var(--accent);box-shadow:0 6px 20px rgba(247,108,27,.4)}
.how-card h4{font-size:1rem;margin-bottom:.5rem;color:var(--text-dark)}
.how-card p{font-size:.82rem;color:var(--text-light);line-height:1.7}

/* ============================================================
   PRODUCTS SECTION
   ============================================================ */
.products-section{background:#fff}
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.product-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;border:1px solid var(--border)}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-card-img{position:relative;overflow:hidden;aspect-ratio:4/3}
.product-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.product-card:hover .product-card-img img{transform:scale(1.1)}
.product-card-badge{position:absolute;top:1rem;left:1rem;background:var(--accent);color:#fff;font-size:.7rem;font-weight:700;padding:.25rem .75rem;border-radius:50px;text-transform:uppercase;letter-spacing:.06em}
.product-card-img .overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(30,58,95,.85) 0%,transparent 55%);opacity:0;transition:var(--transition);display:flex;align-items:flex-end;padding:1.25rem}
.product-card:hover .product-card-img .overlay{opacity:1}
.overlay-links{display:flex;gap:.5rem}
.overlay-links a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.85rem;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.3)}
.overlay-links a:hover{background:var(--accent);border-color:var(--accent)}
.product-card-body{padding:1.25rem}
.product-cat-icon{width:44px;height:44px;border-radius:10px;background:rgba(247,108,27,.1);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:.75rem;transition:var(--transition)}
.product-card:hover .product-cat-icon{background:var(--accent);color:#fff}
.product-card-body h3{font-size:1.05rem;margin-bottom:.4rem}
.product-card-body h3 a{color:var(--text-dark)}.product-card-body h3 a:hover{color:var(--accent)}
.product-card-body p{font-size:.82rem;color:var(--text-light);line-height:1.6;margin-bottom:1rem}
.product-sub-count{font-size:.78rem;color:var(--accent);font-weight:600;display:flex;align-items:center;gap:.3rem}
.view-all-row{text-align:center;margin-top:3rem}

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why-section{background:var(--primary);color:#fff;position:relative;overflow:hidden}
.why-section::before{content:'';position:absolute;inset:0;background:url('../images/product/canvas-manufacturing-machine-2021-08-29-09-03-47-utc.jpg') center/cover no-repeat;opacity:.06}
.why-bg-circle{position:absolute;border-radius:50%;opacity:.04}
.why-bg-circle-1{width:600px;height:600px;background:var(--accent);top:-200px;right:-200px}
.why-bg-circle-2{width:400px;height:400px;background:var(--secondary);bottom:-150px;left:-100px}
.why-section .section-label{background:rgba(247,108,27,.2);color:var(--accent)}
.why-section .section-label::before{background:var(--accent)}
.why-section .section-title{color:#fff}
.why-section .section-subtitle{color:rgba(255,255,255,.7);max-width:100%}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;position:relative;z-index:1}
.why-card{text-align:center;padding:2rem 1.5rem;background:rgba(255,255,255,.05);border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.08);transition:var(--transition)}
.why-card:hover{background:rgba(255,255,255,.1);transform:translateY(-5px);border-color:rgba(247,108,27,.5);box-shadow:0 10px 30px rgba(0,0,0,.2)}
.why-icon{width:72px;height:72px;border-radius:50%;background:rgba(247,108,27,.15);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.75rem;margin:0 auto 1.25rem;transition:var(--transition)}
.why-card:hover .why-icon{background:var(--accent);color:#fff;box-shadow:0 6px 20px rgba(247,108,27,.4)}
.why-card h4{color:#fff;font-size:1.05rem;margin-bottom:.5rem}
.why-card p{font-size:.85rem;color:rgba(255,255,255,.65);line-height:1.7}

/* ============================================================
   INDUSTRIES
   ============================================================ */
.industries-section{background:var(--bg-light)}
.industries-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1.25rem}
.industry-card{text-align:center;padding:1.75rem 1rem;background:#fff;border-radius:var(--radius-md);border:2px solid transparent;transition:var(--transition);cursor:default;box-shadow:var(--shadow-sm)}
.industry-card:hover{border-color:var(--accent);box-shadow:0 8px 25px rgba(247,108,27,.15);transform:translateY(-4px)}
.industry-icon{font-size:2rem;color:var(--secondary);margin-bottom:.75rem;display:block;transition:var(--transition)}
.industry-card:hover .industry-icon{color:var(--accent);transform:scale(1.15)}
.industry-card h5{font-size:.85rem;color:var(--text-dark);font-weight:600}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section{background:linear-gradient(135deg,var(--secondary) 0%,var(--primary) 100%);padding:80px 0;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at top right,rgba(247,108,27,.25) 0%,transparent 60%)}
.cta-section::after{content:'';position:absolute;bottom:-80px;left:-80px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.04)}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{color:#fff;margin-bottom:.75rem}
.cta-section p{color:rgba(255,255,255,.8);font-size:1.05rem;margin-bottom:2rem}
.cta-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.cta-phone{display:flex;align-items:center;gap:.6rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);color:#fff;padding:.9rem 2rem;border-radius:50px;font-weight:600;font-size:.95rem;transition:var(--transition)}
.cta-phone:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--text-dark);color:rgba(255,255,255,.7)}
.footer-top{padding:70px 0 50px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:3rem}
.footer-logo{margin-bottom:1.25rem}
.footer-logo img{height:55px;width:auto;filter:brightness(0) invert(1)}
.footer-about p{font-size:.875rem;line-height:1.8;margin-bottom:1.25rem}
.footer-social{display:flex;gap:.75rem}
.footer-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);color:rgba(255,255,255,.7);display:flex;align-items:center;justify-content:center;font-size:.9rem;transition:var(--transition)}
.footer-social a:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.footer-col-title{font-size:.9rem;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1.25rem;padding-bottom:.5rem;border-bottom:2px solid rgba(255,255,255,.08);font-family:var(--font-heading)}
.footer-links{display:flex;flex-direction:column;gap:.5rem}
.footer-links a{font-size:.875rem;color:rgba(255,255,255,.6);display:flex;align-items:center;gap:.5rem;transition:var(--transition)}
.footer-links a::before{content:'›';font-size:1.1rem;color:var(--accent);line-height:1}
.footer-links a:hover{color:#fff;padding-left:.25rem}
.footer-contact-list{display:flex;flex-direction:column;gap:1rem}
.footer-contact-list li{display:flex;align-items:flex-start;gap:.75rem;font-size:.875rem}
.footer-contact-list li i{color:var(--accent);font-size:1rem;margin-top:.25rem;flex-shrink:0}
.footer-contact-list a{color:rgba(255,255,255,.7)}
.footer-contact-list a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.25rem 0;display:flex;align-items:center;justify-content:space-between;font-size:.82rem;flex-wrap:wrap;gap:.75rem}
.footer-bottom a{color:var(--accent)}

/* ============================================================
   PAGE BANNER
   ============================================================ */
.page-banner{background:var(--primary);color:#fff;padding:75px 0;position:relative;overflow:hidden}
.page-banner::before{content:'';position:absolute;inset:0;background:url('../images/breadcrumb/bg/bg1.JPG') center/cover no-repeat;opacity:.12}
.page-banner::after{content:'';position:absolute;right:-100px;top:-100px;width:400px;height:400px;border-radius:50%;background:rgba(247,108,27,.08)}
.page-banner .container{position:relative;z-index:1}
.page-banner h1{color:#fff;font-size:clamp(1.75rem,3.5vw,2.75rem);margin-bottom:.6rem}
.page-banner-accent{width:48px;height:4px;background:var(--accent);border-radius:2px;margin-bottom:.75rem}
.breadcrumb-nav{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:rgba(255,255,255,.7)}
.breadcrumb-nav a{color:rgba(255,255,255,.7)}.breadcrumb-nav a:hover{color:var(--accent)}
.breadcrumb-nav .sep{color:var(--accent)}

/* ============================================================
   CATEGORY / PRODUCT PAGES
   ============================================================ */
.cat-intro{background:#fff}
.cat-intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.cat-intro-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3}
.cat-intro-img img{width:100%;height:100%;object-fit:cover}
.sub-products-section{background:var(--bg-light)}
.sub-products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.sub-product-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border)}
.sub-product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.sub-product-img{aspect-ratio:4/3;overflow:hidden}
.sub-product-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.sub-product-card:hover .sub-product-img img{transform:scale(1.06)}
.sub-product-body{padding:1.25rem}
.sub-product-body h4{font-size:1rem;margin-bottom:.5rem;color:var(--primary)}
.sub-product-body p{font-size:.82rem;color:var(--text-light);line-height:1.7;margin-bottom:1rem}
.sub-product-body a{font-size:.82rem;color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:.35rem}
.sub-product-body a:hover{color:var(--accent-dark);gap:.6rem}

/* Product Detail */
.product-detail-section{background:#fff}
.product-detail-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:4rem;align-items:start}
.product-gallery-main{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3}
.product-gallery-main img{width:100%;height:100%;object-fit:cover}
.product-gallery-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-top:1rem}
.product-gallery-thumbs img{border-radius:var(--radius-sm);aspect-ratio:1;object-fit:cover;cursor:pointer;border:2px solid transparent;transition:var(--transition)}
.product-gallery-thumbs img:hover{border-color:var(--accent)}
.product-detail-content h1{font-size:clamp(1.5rem,3vw,2.25rem);margin-bottom:.75rem}
.product-tag{display:inline-block;padding:.3rem .9rem;background:rgba(247,108,27,.1);color:var(--accent);border-radius:50px;font-size:.78rem;font-weight:600;margin-bottom:1rem}
.product-detail-content p{font-size:.95rem;margin-bottom:1.25rem}
.product-features{margin:1.5rem 0}
.product-features h4{margin-bottom:.75rem;font-size:1rem;color:var(--primary)}
.product-features ul{display:flex;flex-direction:column;gap:.5rem}
.product-features li{display:flex;align-items:flex-start;gap:.75rem;font-size:.875rem}
.product-features li i{color:var(--accent);margin-top:.25rem;flex-shrink:0}
.product-spec-table{width:100%;border-collapse:collapse;margin:1.25rem 0;font-size:.85rem}
.product-spec-table tr{border-bottom:1px solid var(--border)}
.product-spec-table th{text-align:left;padding:.6rem 1rem;background:var(--bg-light);color:var(--text-dark);font-weight:600;width:40%}
.product-spec-table td{padding:.6rem 1rem;color:var(--text-body)}
.product-detail-btns{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2rem}
.related-products-section{background:var(--bg-light)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}

/* ============================================================
   ENQUIRY / CONTACT
   ============================================================ */
.enquiry-section{background:var(--bg-light)}
.enquiry-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:4rem}
.info-card{background:#fff;border-radius:var(--radius-md);padding:1.75rem;box-shadow:var(--shadow-sm);margin-bottom:1.25rem;border-left:4px solid var(--accent)}
.info-card h4{font-size:1rem;margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem;color:var(--primary)}
.info-card h4 i{color:var(--accent)}
.info-card p,.info-card a{font-size:.875rem;color:var(--text-body);line-height:1.8}
.info-card a:hover{color:var(--accent)}
.enquiry-form-card{background:#fff;border-radius:var(--radius-lg);padding:2.5rem;box-shadow:var(--shadow-md)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.form-group{display:flex;flex-direction:column;gap:.4rem}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:.82rem;font-weight:600;color:var(--text-dark)}
.form-group input,.form-group select,.form-group textarea{padding:.75rem 1rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;font-family:inherit;color:var(--text-dark);transition:var(--transition);background:#fff;width:100%}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(247,108,27,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.form-submit{margin-top:.75rem}
.form-submit .btn{width:100%;justify-content:center;padding:.9rem 2rem}
.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:4rem}
.map-container{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);height:350px}
.map-container iframe{width:100%;height:100%;border:none}

/* ============================================================
   ABOUT / INFRASTRUCTURE
   ============================================================ */
.mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.mission-card{background:#fff;border-radius:var(--radius-md);padding:2rem;box-shadow:var(--shadow-sm);border-top:4px solid var(--accent);transition:var(--transition)}
.mission-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.mission-icon{font-size:2.25rem;color:var(--accent);margin-bottom:1rem}
.mission-card h4{margin-bottom:.5rem}.mission-card p{font-size:.875rem;color:var(--text-light);line-height:1.75}
.infra-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.infra-card{border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}
.infra-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.infra-img{aspect-ratio:4/3;overflow:hidden}
.infra-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.infra-card:hover .infra-img img{transform:scale(1.06)}
.infra-body{padding:1.25rem;background:#fff}
.infra-body h4{font-size:.95rem;color:var(--primary)}

/* ============================================================
   AOS FALLBACK
   ============================================================ */
[data-aos]{opacity:0;transform:translateY(25px);transition:opacity .65s ease,transform .65s ease}
[data-aos].aos-animate{opacity:1;transform:none}
[data-aos="fade-right"]{transform:translateX(-25px)}[data-aos="fade-right"].aos-animate{transform:none}
[data-aos="fade-left"]{transform:translateX(25px)}[data-aos="fade-left"].aos-animate{transform:none}
[data-aos="zoom-in"]{transform:scale(.9)}[data-aos="zoom-in"].aos-animate{transform:scale(1)}

/* ============================================================
   FLOATING ELEMENTS
   ============================================================ */
.scroll-top{position:fixed;bottom:2rem;right:2rem;z-index:900;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:0 4px 15px rgba(247,108,27,.4);opacity:0;visibility:hidden;transition:var(--transition)}
.scroll-top.visible{opacity:1;visibility:visible}
.scroll-top:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(247,108,27,.5)}
.whatsapp-btn{position:fixed;bottom:5rem;right:2rem;z-index:900;width:50px;height:50px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:0 4px 15px rgba(37,211,102,.4);transition:var(--transition);animation:pulse 2.5s infinite}
.whatsapp-btn:hover{transform:scale(1.1);color:#fff}
@keyframes pulse{0%,100%{box-shadow:0 4px 15px rgba(37,211,102,.4)}50%{box-shadow:0 4px 25px rgba(37,211,102,.7)}}

/* Preloader */
.preloader{position:fixed;inset:0;z-index:9999;background:#fff;display:flex;align-items:center;justify-content:center;transition:opacity .5s ease}
.preloader.hidden{opacity:0;pointer-events:none}
.preloader-ring{width:56px;height:56px;border-radius:50%;border:4px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1199px){
  .mega-menu{width:760px;grid-template-columns:repeat(3,1fr)}
  .products-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .industries-grid{grid-template-columns:repeat(4,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .how-steps{grid-template-columns:repeat(2,1fr)}.how-steps::before{display:none}
}
@media(max-width:991px){
  .main-nav,.header-cta{display:none}.nav-toggle{display:flex}
  .features-strip .container{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:3rem}
  .about-images{max-width:500px;margin:0 auto}
  .cat-intro-grid{grid-template-columns:1fr}
  .product-detail-grid{grid-template-columns:1fr}
  .enquiry-grid,.contact-grid{grid-template-columns:1fr}
  .sub-products-grid{grid-template-columns:repeat(2,1fr)}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .industries-grid{grid-template-columns:repeat(3,1fr)}
  .mission-grid{grid-template-columns:1fr 1fr}
  .infra-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
  .section-pad{padding:60px 0}
  h2{font-size:1.75rem}
  .features-strip .container{grid-template-columns:1fr 1fr}
  .feature-item{padding:.9rem 1rem}
  .hero-slide{min-height:500px}
  .hero-stats{gap:1.5rem}
  .stats-row{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
  .footer-bottom{flex-direction:column;text-align:center}
  .sub-products-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .industries-grid{grid-template-columns:repeat(2,1fr)}
  .top-bar-left{gap:.75rem;font-size:.78rem}
  .hero-btns{gap:.75rem}
  .hero-prev{left:.75rem}.hero-next{right:.75rem}
  .hero-nav button{width:42px;height:42px}
  .cta-btns{flex-direction:column;align-items:center}
  .mission-grid{grid-template-columns:1fr}
  .infra-grid{grid-template-columns:1fr}
  .how-steps{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .features-strip .container{grid-template-columns:1fr}
  .products-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr}
  .about-img-thumb,.about-exp-badge{display:none}
  .industries-grid{grid-template-columns:repeat(2,1fr)}
  .top-bar-left .show-sm{display:none}
  .why-grid{grid-template-columns:1fr}
  .how-steps{grid-template-columns:1fr}
  .hero-stat-strip{display:none}
}