/* ============================================
   SENSORS INDIA LLP - Main Stylesheet
   Colors: Old Glory Red #B22234 | Old Glory Blue #3C3B6E | White #FFFFFF
   ============================================ */

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',Arial,sans-serif;font-size:14px;color:#333;background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
ul{list-style:none}

/* VARIABLES */
:root{
  --red:#B22234;
  --blue:#3C3B6E;
  --white:#fff;
  --light:#f5f5f8;
  --border:#e5e7eb;
  --text:#374151;
  --muted:#6b7280;
  --dark:#1a1a3e;
}

/* TOPBAR */
.topbar{background:var(--blue);padding:7px 40px;display:flex;justify-content:space-between;align-items:center}
.topbar a,.topbar span{color:#c8c8e8;font-size:11px;display:inline-flex;align-items:center;gap:5px;margin-right:16px}
.topbar a:hover{color:#fff}

/* NAVBAR */
.navbar{background:#fff;border-bottom:3px solid var(--red);box-shadow:0 1px 6px rgba(0,0,0,0.07);position:sticky;top:0;z-index:1000}
.nav-inner{max-width:1200px;margin:auto;padding:0 40px;display:flex;align-items:stretch;justify-content:space-between}
.nav-logo{display:flex;align-items:center;padding:10px 0}
.nav-logo-text{font-size:18px;font-weight:600;color:var(--blue);line-height:1.1}
.nav-logo-text span{display:block;font-size:10px;color:var(--red);text-transform:uppercase;letter-spacing:1px;font-weight:400}
.nav-menu{display:flex;align-items:stretch}
.nav-menu > li{position:relative}
.nav-menu > li > a{color:var(--blue);font-size:13px;font-weight:500;padding:0 15px;height:100%;display:flex;align-items:center;border-bottom:3px solid transparent;margin-bottom:-3px;transition:all 0.2s}
.nav-menu > li > a:hover,.nav-menu > li > a.active{color:var(--red);border-bottom-color:var(--red)}
.nav-menu > li > a .arrow{font-size:10px;margin-left:4px}
.dropdown{display:none;position:absolute;top:100%;left:0;background:#fff;border:0.5px solid var(--border);border-top:2px solid var(--red);box-shadow:0 4px 16px rgba(0,0,0,0.1);min-width:240px;z-index:999}
.dropdown li a{display:block;padding:10px 18px;font-size:12px;color:var(--text);border-bottom:0.5px solid var(--border);transition:all 0.15s}
.dropdown li a:hover{background:var(--light);color:var(--red);padding-left:24px}
.nav-menu > li:hover .dropdown{display:block}
.nav-cta{background:var(--red);color:#fff;font-size:12px;font-weight:500;padding:0 20px;border:none;cursor:pointer;display:flex;align-items:center;gap:6px;white-space:nowrap}
.nav-cta:hover{background:#8b1a28}

/* HERO SLIDER */
.hero-slider{position:relative;overflow:hidden;background:var(--blue)}
.slide{display:none;background:var(--blue);padding:64px 40px;min-height:380px}
.slide.active{display:grid;grid-template-columns:1fr 400px;gap:48px;align-items:center;max-width:1200px;margin:auto}
.slide-badge{background:var(--red);color:#fff;font-size:10px;padding:4px 14px;border-radius:2px;display:inline-block;margin-bottom:16px;text-transform:uppercase;letter-spacing:1px;font-weight:600}
.slide h1{color:#fff;font-size:28px;font-weight:600;line-height:1.35;margin-bottom:12px}
.slide-sub{color:#c8c8e8;font-size:13px;line-height:1.75;margin-bottom:24px}
.slide-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn-red{background:var(--red);color:#fff;font-size:12px;font-weight:500;padding:11px 22px;border-radius:2px;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:background 0.2s}
.btn-red:hover{background:#8b1a28}
.btn-outline-white{background:transparent;color:#fff;font-size:12px;font-weight:500;padding:11px 22px;border-radius:2px;border:1.5px solid rgba(255,255,255,0.4);cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:all 0.2s}
.btn-outline-white:hover{background:rgba(255,255,255,0.1)}
.slide-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-box{background:rgba(255,255,255,0.08);border:0.5px solid rgba(255,255,255,0.14);border-radius:4px;padding:18px;text-align:center}
.stat-box-num{font-size:24px;font-weight:600;color:#fff}
.stat-box-label{font-size:11px;color:#c8c8e8;margin-top:4px}
.slider-nav{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.s-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,0.3);border:none;cursor:pointer;padding:0}
.s-dot.active{background:var(--red)}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,0.25);color:#fff;border:none;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;z-index:10}
.slider-arrow.prev{left:14px}
.slider-arrow.next{right:14px}
.slider-arrow:hover{background:var(--red)}

/* RED STRIP */
.red-strip{background:var(--red);padding:12px 40px}
.red-strip-inner{max-width:1200px;margin:auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.strip-item{color:#fff;font-size:12px;font-weight:500;display:flex;align-items:center;gap:7px}

/* SECTIONS */
.section{padding:52px 40px}
.section-inner{max-width:1200px;margin:auto}
.section-alt{background:var(--light)}
.section-label{font-size:10px;color:var(--red);font-weight:600;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:6px}
.section-title{font-size:22px;font-weight:600;color:var(--blue);margin-bottom:8px}
.section-sub{font-size:13px;color:var(--muted);margin-bottom:28px}
.section-title-center{text-align:center}
.section-sub-center{text-align:center}

/* HERO PRODUCT BADGES */
.hero-badge-label{background:var(--red);color:#fff;font-size:10px;padding:2px 8px;border-radius:2px;font-weight:600;text-transform:uppercase;margin-left:8px;vertical-align:middle}

/* PRODUCT CATEGORY GRID */
.cats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:4px;overflow:hidden}
.cat-card{background:#fff;padding:24px 20px;border-top:3px solid transparent;transition:border-top-color 0.2s;cursor:pointer}
.cat-card:hover{border-top-color:var(--red)}
.cat-card.hero-product{border-top:3px solid var(--red);background:#fff9f9}
.cat-num{font-size:10px;color:var(--red);font-weight:600;margin-bottom:6px}
.cat-icon{font-size:28px;margin-bottom:10px;display:block}
.cat-title{font-size:14px;font-weight:600;color:var(--blue);margin-bottom:6px}
.cat-desc{font-size:12px;color:var(--muted);line-height:1.65}
.cat-count{font-size:11px;color:var(--red);margin-top:10px;font-weight:500}
.cat-link{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--red);margin-top:10px;font-weight:500}

/* ABOUT SECTION */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about-text{font-size:13px;color:#4b5563;line-height:1.9;margin-bottom:16px}
.about-list li{font-size:13px;color:var(--text);padding:8px 0;border-bottom:0.5px solid var(--border);display:flex;align-items:center;gap:10px}
.about-list li span{color:var(--red);font-weight:700;font-size:16px}
.about-panel{background:var(--blue);border-radius:4px;padding:28px;color:#fff}
.about-panel-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,0.15)}
.exp-item{display:flex;gap:12px;margin-bottom:18px;align-items:flex-start}
.exp-dot{background:var(--red);color:#fff;width:34px;height:34px;border-radius:2px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px;font-weight:700}
.exp-title{font-size:13px;font-weight:600;color:#e0e0f0;margin-bottom:3px}
.exp-text{font-size:12px;color:#9ca3af;line-height:1.65}

/* CLIENT LOGOS */
.clients-section{background:#fff;padding:20px 40px;border-top:0.5px solid var(--border);border-bottom:0.5px solid var(--border)}
.clients-label{text-align:center;font-size:10px;color:#9ca3af;text-transform:uppercase;letter-spacing:2px;margin-bottom:14px}
.logos-wrap{overflow:hidden;position:relative}
.logos-wrap::before,.logos-wrap::after{content:'';position:absolute;top:0;width:60px;height:100%;z-index:2}
.logos-wrap::before{left:0;background:linear-gradient(to right,#fff,transparent)}
.logos-wrap::after{right:0;background:linear-gradient(to left,#fff,transparent)}
.logos-track{display:flex;gap:0;width:max-content;animation:scrollLogos 30s linear infinite}
.logo-pill{background:var(--light);border:0.5px solid var(--border);border-radius:4px;padding:10px 22px;margin-right:14px;font-size:12px;font-weight:600;color:var(--blue);white-space:nowrap}
@keyframes scrollLogos{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* WHY CHOOSE US */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:4px;overflow:hidden}
.why-card{background:#fff;padding:24px 18px;text-align:center}
.why-icon{font-size:32px;color:var(--red);margin-bottom:12px;display:block}
.why-title{font-size:13px;font-weight:600;color:var(--blue);margin-bottom:6px}
.why-text{font-size:12px;color:var(--muted);line-height:1.65}

/* INDUSTRIES */
.ind-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.ind-card{background:#fff;border:0.5px solid var(--border);border-radius:4px;padding:18px 12px;text-align:center;transition:border-color 0.2s}
.ind-card:hover{border-color:var(--red)}
.ind-icon{font-size:26px;color:var(--blue);margin-bottom:8px;display:block}
.ind-title{font-size:11px;font-weight:600;color:var(--text)}

/* VIDEO CTA */
.video-cta{background:var(--dark);padding:52px 40px}
.video-cta-inner{max-width:1200px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.video-box{background:var(--blue);border-radius:4px;padding:48px;text-align:center;border:0.5px solid rgba(255,255,255,0.1)}
.play-btn{width:64px;height:64px;background:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;border:none;cursor:pointer;font-size:24px;color:#fff}
.video-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:6px}
.video-sub{color:#9ca3af;font-size:12px}
.cta-text h2{color:#fff;font-size:22px;font-weight:600;margin-bottom:12px}
.cta-text p{color:#c8c8e8;font-size:13px;line-height:1.8;margin-bottom:24px}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}

/* WHATSAPP FLOAT */
.wa-float{position:fixed;bottom:24px;right:24px;background:#25D366;color:#fff;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px;box-shadow:0 4px 14px rgba(0,0,0,0.2);z-index:9999;text-decoration:none;transition:transform 0.2s}
.wa-float:hover{transform:scale(1.1)}

/* FOOTER */
.footer{background:var(--dark);padding:40px 40px 24px}
.footer-inner{max-width:1200px;margin:auto;display:grid;grid-template-columns:2.5fr 1fr 1fr 1fr;gap:32px;margin-bottom:28px}
.footer-brand p{color:#c8c8e8;font-size:12px;line-height:1.9;margin-top:10px}
.footer-brand strong{color:#fff;font-size:15px;font-weight:600}
.footer-col h4{color:#fff;font-size:12px;font-weight:600;margin-bottom:12px;padding-bottom:8px;border-bottom:1.5px solid var(--red)}
.footer-col a{color:#9ca3af;font-size:12px;display:block;margin-bottom:8px;transition:color 0.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:1200px;margin:auto;border-top:0.5px solid rgba(255,255,255,0.08);padding-top:16px;display:flex;justify-content:space-between;align-items:center}
.footer-bottom p{color:#6b7280;font-size:11px}
.make-india{background:#fff;color:var(--blue);font-size:10px;font-weight:700;padding:3px 10px;border-radius:2px}

/* PAGE HERO (inner pages) */
.page-hero{background:var(--blue);padding:36px 40px;border-bottom:3px solid var(--red)}
.page-hero-inner{max-width:1200px;margin:auto}
.breadcrumb{font-size:11px;color:#9ca3af;margin-bottom:10px}
.breadcrumb a{color:#c8c8e8}
.breadcrumb span{color:var(--red)}
.page-hero h1{color:#fff;font-size:26px;font-weight:600}
.page-hero p{color:#c8c8e8;font-size:13px;margin-top:6px}

/* PRODUCT LISTING */
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product-card{background:#fff;border:0.5px solid var(--border);border-radius:4px;overflow:hidden;transition:box-shadow 0.2s}
.product-card:hover{box-shadow:0 4px 16px rgba(0,0,0,0.1)}
.product-card-img{background:var(--light);height:160px;display:flex;align-items:center;justify-content:center;font-size:48px;color:var(--blue);border-bottom:0.5px solid var(--border)}
.product-card-body{padding:16px}
.product-card-title{font-size:13px;font-weight:600;color:var(--blue);margin-bottom:6px}
.product-card-desc{font-size:12px;color:var(--muted);line-height:1.6;margin-bottom:12px}
.product-card-cta{background:var(--red);color:#fff;font-size:11px;font-weight:500;padding:7px 14px;border-radius:2px;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:5px}

/* PRODUCT DETAIL */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.product-img-box{background:var(--light);border-radius:4px;height:320px;display:flex;align-items:center;justify-content:center;font-size:80px;color:var(--blue);border:0.5px solid var(--border)}
.product-info h2{font-size:22px;font-weight:600;color:var(--blue);margin-bottom:10px}
.product-info p{font-size:13px;color:#4b5563;line-height:1.85;margin-bottom:16px}
.spec-table{width:100%;border-collapse:collapse;margin-bottom:20px}
.spec-table tr{border-bottom:0.5px solid var(--border)}
.spec-table td{padding:8px 12px;font-size:12px}
.spec-table td:first-child{font-weight:600;color:var(--blue);width:40%;background:var(--light)}
.features-list li{font-size:12px;color:var(--text);padding:6px 0;border-bottom:0.5px solid var(--border);display:flex;align-items:center;gap:8px}
.features-list li::before{content:'✓';color:var(--red);font-weight:700}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info-item{display:flex;gap:14px;margin-bottom:24px;align-items:flex-start}
.contact-icon{background:var(--red);color:#fff;width:40px;height:40px;border-radius:2px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px}
.contact-info-title{font-size:13px;font-weight:600;color:var(--blue);margin-bottom:4px}
.contact-info-text{font-size:12px;color:var(--muted);line-height:1.7}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:3px;font-size:13px;margin-bottom:14px;font-family:inherit}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--blue)}
.contact-form textarea{height:120px;resize:vertical}

/* GALLERY */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery-item{background:var(--light);border-radius:4px;height:160px;display:flex;align-items:center;justify-content:center;font-size:36px;color:var(--blue);border:0.5px solid var(--border);overflow:hidden}
.gallery-item img{width:100%;height:100%;object-fit:cover}

/* RESPONSIVE */
@media(max-width:900px){
  .slide.active{grid-template-columns:1fr;padding:40px 20px}
  .slide-stats{display:none}
  .cats-grid{grid-template-columns:1fr 1fr}
  .about-grid,.contact-grid,.product-detail,.video-cta-inner{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr 1fr}
  .ind-grid{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .products-grid{grid-template-columns:1fr 1fr}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .nav-menu,.nav-cta{display:none}
  .topbar{display:none}
}
@media(max-width:600px){
  .cats-grid,.why-grid,.products-grid{grid-template-columns:1fr}
  .ind-grid{grid-template-columns:1fr 1fr}
  .section{padding:32px 20px}
  .footer-inner{grid-template-columns:1fr}
}