@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

:root {
  --red:#C0392B; --red-light:#E74C3C; --red-muted:rgba(192,57,43,0.09);
  --charcoal:#1E1E1E; --dark:#2C2C2C; --mid:#555; --light:#888;
  --border:#E5E5E5; --bg:#F8F8F8; --white:#FFFFFF;
  --shadow:0 4px 24px rgba(0,0,0,0.07); --shadow-lg:0 12px 48px rgba(0,0,0,0.12);
  --font:'Montserrat',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--charcoal);background:var(--white);overflow-x:hidden}

/* TOP BAR */
.topbar{background:var(--charcoal);color:#bbb;font-size:12px;font-weight:500;padding:7px 48px;display:flex;justify-content:space-between;align-items:center}
.topbar a{color:#bbb;text-decoration:none;margin-left:20px;transition:color .2s}
.topbar a:hover{color:#fff}
.topbar .hi{color:#E74C3C;font-weight:600}

/* NAVBAR */
nav{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,0.06)}
.nav-inner{max-width:1300px;margin:0 auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between;height:76px}
.nav-logo{display:flex;align-items:center;gap:20px;text-decoration:none}
.nav-logo img.echo-logo{height:52px;object-fit:contain}
.nav-logo .divider{width:1px;height:44px;background:var(--border)}
.nav-logo img.mutual-logo{height:46px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none}
.nav-links>li{position:relative}
.nav-links>li>a{display:flex;align-items:center;gap:5px;padding:8px 13px;font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--dark);text-decoration:none;border-radius:6px;transition:all .2s;white-space:nowrap}
.nav-links>li>a:hover,.nav-links>li>a.active{color:var(--red);background:var(--red-muted)}
.chevron{font-size:9px;opacity:.4;transition:transform .2s}
.nav-links>li:hover .chevron{transform:rotate(180deg)}
.dropdown{display:none;position:absolute;top:calc(100% + 2px);left:0;background:var(--white);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);min-width:260px;padding:10px 0;z-index:2000;margin-top:0}
.nav-links>li>a{display:flex;align-items:center;gap:4px;padding:8px 10px;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--dark);text-decoration:none;border-radius:6px;transition:all .2s;white-space:nowrap;padding-bottom:10px}
/* invisible bridge fills the gap between nav link and dropdown */
.nav-links>li::after{content:'';position:absolute;top:100%;left:0;width:100%;height:12px;background:transparent}
.nav-links>li:hover .dropdown{display:block;animation:fadeD .2s ease}
@keyframes fadeD{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.ddlabel{display:block;padding:10px 20px 5px;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--red);border-top:1px solid var(--border);margin-top:4px}
.ddg:first-child .ddlabel{border-top:none;margin-top:0}
.dropdown a{display:block;padding:8px 20px 8px 28px;font-size:12.5px;font-weight:500;color:var(--dark);text-decoration:none;transition:all .15s}
.dropdown a:hover{background:var(--red-muted);color:var(--red);padding-left:32px}
.dd2col{display:grid;grid-template-columns:1fr 1fr;min-width:300px;padding:8px;gap:2px}
.dd2col a{padding:9px 12px;border-radius:7px;font-size:12px;font-weight:500}
.nav-cta{background:var(--red)!important;color:var(--white)!important;padding:9px 20px!important;border-radius:7px!important;font-weight:700!important;flex-shrink:0;white-space:nowrap}
.nav-cta:hover{background:var(--red-light)!important}

/* SECTIONS */
.sec{padding:80px 48px}
.sec-in{max-width:1300px;margin:0 auto}
.slabel{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.18em;color:var(--red);margin-bottom:10px}
.stit{font-size:clamp(24px,2.6vw,38px);font-weight:700;color:var(--charcoal);line-height:1.15;margin-bottom:14px;letter-spacing:-.01em}
.ssub{font-size:15px;font-weight:400;color:var(--mid);max-width:580px;line-height:1.75;margin-bottom:40px}
.divl{width:40px;height:3px;background:var(--red);border-radius:2px;margin-bottom:16px}

/* BUTTONS */
.btn-red{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:var(--red);color:var(--white);border:none;font-family:var(--font);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:6px;cursor:pointer;text-decoration:none;transition:all .25s}
.btn-red:hover{background:var(--red-light)}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:transparent;color:var(--red);border:1.5px solid var(--red);font-family:var(--font);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:6px;cursor:pointer;text-decoration:none;transition:all .25s}
.btn-outline:hover{background:var(--red);color:var(--white)}

/* FOOTER */
footer{background:#111;color:#aaa;padding:60px 48px 28px}
.foot-in{max-width:1300px;margin:0 auto}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.fbrand img{height:38px;margin-bottom:14px;display:block}
.fbrand p{font-size:12px;line-height:1.75;color:#666;max-width:270px}
.fcol h4{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.13em;color:var(--white);margin-bottom:16px}
.fcol ul{list-style:none}
.fcol ul li{margin-bottom:9px}
.fcol ul li a{color:#666;text-decoration:none;font-size:12px;font-weight:500;transition:color .2s}
.fcol ul li a:hover{color:var(--red-light)}
.fbot{border-top:1px solid #1e1e1e;padding-top:22px;display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:500;color:#555}
.fbot a{color:#1A6DB5;text-decoration:none}

/* WHATSAPP */
.wa{position:fixed;bottom:24px;right:24px;width:44px;height:44px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px rgba(37,211,102,0.35);z-index:9999;text-decoration:none;transition:all .2s}
.wa:hover{transform:scale(1.08);box-shadow:0 4px 20px rgba(37,211,102,0.5)}
.wa svg{width:22px;height:22px;fill:white}

/* PRODUCT PAGE SPECIFIC */
.product-hero{background:var(--bg);padding:60px 48px;border-bottom:1px solid var(--border)}
.product-hero-inner{max-width:1300px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.product-hero-img{border-radius:14px;overflow:hidden;background:#efefef;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}
.product-hero-img img{width:100%;height:100%;object-fit:cover}
.product-hero-img-placeholder{display:flex;flex-direction:column;align-items:center;gap:12px;color:#ccc;font-size:13px;font-weight:600}
.product-breadcrumb{font-size:11px;font-weight:600;color:var(--light);margin-bottom:16px;text-transform:uppercase;letter-spacing:.1em}
.product-breadcrumb a{color:var(--red);text-decoration:none}
.product-title{font-size:clamp(28px,3vw,44px);font-weight:700;color:var(--charcoal);line-height:1.1;margin-bottom:16px;letter-spacing:-.02em}
.product-tagline{font-size:16px;font-weight:500;color:var(--mid);line-height:1.7;margin-bottom:28px}
.product-ctas{display:flex;gap:14px;flex-wrap:wrap}

/* SPECS TABLE */
.specs-table{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:8px}
.specs-table th{text-align:left;padding:10px 14px;background:var(--bg);font-weight:700;color:var(--dark);border-bottom:2px solid var(--border);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.specs-table td{padding:10px 14px;border-bottom:1px solid var(--border);color:var(--mid);font-weight:500}
.specs-table tr:last-child td{border-bottom:none}

/* FEATURES GRID */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.feat-card{padding:20px;background:var(--bg);border-radius:10px;border-top:3px solid var(--red)}
.feat-icon{font-size:24px;margin-bottom:10px;display:block}
.feat-title{font-size:13px;font-weight:700;color:var(--dark);margin-bottom:6px}
.feat-desc{font-size:12px;font-weight:400;color:var(--light);line-height:1.6}

/* APPLICATIONS */
.apps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.app-chip{padding:14px 16px;background:var(--bg);border-radius:8px;border-left:3px solid var(--red);font-size:12.5px;font-weight:600;color:var(--dark)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--border);padding:18px 0}
.faq-q{font-size:14px;font-weight:700;color:var(--dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q span{font-size:18px;color:var(--red);flex-shrink:0;transition:transform .2s}
.faq-a{font-size:13.5px;font-weight:400;color:var(--mid);line-height:1.75;margin-top:12px;display:none}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q span{transform:rotate(45deg)}

/* RELATED PRODUCTS */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:var(--white);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);transition:all .3s;text-decoration:none;color:inherit;display:block;border:1px solid transparent}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--border)}
.pcard-img{height:180px;background:#f2f2f2;overflow:hidden;display:flex;align-items:center;justify-content:center}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.pcard:hover .pcard-img img{transform:scale(1.05)}
.pcard-ph{color:#ccc;font-size:28px;text-align:center}
.pcard-body{padding:16px 18px 20px}
.pcat{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--red);margin-bottom:5px}
.ptit{font-size:15px;font-weight:700;color:var(--charcoal);line-height:1.3}

/* CTA STRIP */
.cta-strip{background:var(--charcoal);padding:60px 48px;text-align:center}
.cta-strip h2{font-size:28px;font-weight:700;color:var(--white);margin-bottom:12px}
.cta-strip p{font-size:15px;color:#999;margin-bottom:28px}
.cta-strip .btn-red{font-size:13px;padding:14px 36px}

/* ENQUIRY FORM */
.form-box{background:var(--white);border-radius:16px;padding:36px;box-shadow:var(--shadow-lg);max-width:600px}
.form-box h3{font-size:20px;font-weight:700;color:var(--charcoal);margin-bottom:24px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fg{margin-bottom:14px}
.fg label{display:block;font-size:10px;font-weight:700;color:var(--light);text-transform:uppercase;letter-spacing:.1em;margin-bottom:6px}
.fg input,.fg select,.fg textarea{width:100%;padding:11px 13px;border:1.5px solid var(--border);border-radius:7px;font-family:var(--font);font-size:13px;font-weight:500;color:var(--dark);background:var(--white);transition:border-color .2s;outline:none}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--red)}
.fg textarea{resize:vertical;min-height:96px}
.fsub{width:100%;padding:13px;background:var(--red);color:var(--white);border:none;border-radius:7px;font-family:var(--font);font-size:12.5px;font-weight:700;cursor:pointer;letter-spacing:.07em;text-transform:uppercase;transition:background .2s}
.fsub:hover{background:var(--red-light)}

/* PSB VARIANTS */
.variant-tabs{display:flex;gap:10px;margin-bottom:28px}
.vtab{padding:10px 22px;border:1.5px solid var(--border);background:var(--white);border-radius:7px;font-family:var(--font);font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--mid);cursor:pointer;transition:all .2s}
.vtab:hover{background:rgba(192,57,43,.08);border-color:var(--red);color:var(--red)}
.vtab.active{background:transparent;border-color:transparent;border-bottom:2px solid var(--red);border-radius:0;color:var(--red)}
.variant-panel{display:none}
.variant-panel.active{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ABOUT PAGE */
.about-slider-wrap{position:relative;border-radius:12px;overflow:hidden;background:#f0f0f0;aspect-ratio:16/9}
.aslide{display:none;position:absolute;inset:0}
.aslide.active{display:block;animation:asFade .5s ease}
@keyframes asFade{from{opacity:0}to{opacity:1}}
.aslide img{width:100%;height:100%;object-fit:cover}
.aslide-ph{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#efefef;color:#bbb;font-size:12px;font-weight:600;gap:10px;letter-spacing:.04em}
.as-arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,0.92);border:none;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;font-size:17px;color:#2C2C2C;transition:all .2s;box-shadow:0 4px 16px rgba(0,0,0,.12);line-height:1}
.as-arrow:hover{background:#C0392B;color:#fff}
.as-arrow.prev{left:12px}.as-arrow.next{right:12px}
.as-dots{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;z-index:10}
.as-dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,0.5);cursor:pointer;border:none;padding:0;transition:all .2s}
.as-dot.active{background:#fff;width:20px;border-radius:4px}
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start;margin-bottom:64px}
.about-text p{font-size:15px;font-weight:400;color:#555;line-height:1.8;margin-bottom:18px}
.about-text p:last-child{margin-bottom:0}
.cap-table-wrap{display:grid;grid-template-columns:1fr 1fr;border:1px solid #E5E5E5;border-radius:12px;overflow:hidden}
.cap-row{display:flex;align-items:center;gap:14px;padding:15px 22px;background:#fff;border-bottom:1px solid #E5E5E5;transition:background .2s}
.cap-row:hover{background:#F8F8F8}
.cap-row:nth-child(odd){background:#FAFAFA}
.cap-row:nth-child(odd):hover{background:#F5F5F5}
.cap-row:nth-last-child(-n+2){border-bottom:none}
.cap-num{width:26px;height:26px;border-radius:50%;background:#C0392B;color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cap-name{font-size:13px;font-weight:600;color:#2C2C2C}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.val-card{padding:26px 18px;background:#fff;border-radius:12px;text-align:center;box-shadow:0 4px 24px rgba(0,0,0,.06);border-left:3px solid #C0392B;transition:all .3s}
.val-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.10)}
.val-icon{font-size:28px;margin-bottom:10px;display:block}
.val-title{font-size:13px;font-weight:700;color:#1E1E1E;margin-bottom:6px}
.val-desc{font-size:12px;font-weight:400;color:#888;line-height:1.65}

/* ═══════════════════════════════════════════
   VIDEO THUMBNAIL — RED YOUTUBE STYLE
   ═══════════════════════════════════════════ */
.mthumb-yt{
  background:#FF0000 !important;
  border-radius:6px !important;
  display:flex !important;
  align-items:center !important;
  justify-content:center !important;
  position:relative;
  font-size:0 !important;
  color:transparent !important;
}
.mthumb-yt::before{
  content:'';
  display:block;
  width:0;height:0;
  border-style:solid;
  border-width:9px 0 9px 18px;
  border-color:transparent transparent transparent #fff;
  margin-left:3px;
  flex-shrink:0;
}
.mthumb-yt *,.mthumb-yt::after{display:none !important}

/* ═══════════════════════════════════════════
   MOBILE RESPONSIVE
   ═══════════════════════════════════════════ */
@media(max-width:768px){

  /* TOPBAR */
  .topbar{flex-direction:column;gap:4px;padding:8px 16px;text-align:center;font-size:10px}

  /* NAV */
  .nav-inner{padding:0 16px;flex-wrap:wrap;position:relative}
  .nav-links{display:none;flex-direction:column;width:100%;background:#fff;border-top:1px solid #E5E5E5;padding:12px 0;gap:0}
  .nav-links.open{display:flex}
  .nav-links>li{border-bottom:1px solid #F5F5F5}
  .nav-links>li>a{padding:12px 20px;font-size:12px;border-radius:0}
  .dropdown{position:static;box-shadow:none;border:none;border-radius:0;padding:0 0 0 20px;background:#F8F8F8;display:none}
  .nav-links>li:hover .dropdown{display:block}
  .hamburger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:8px;margin-left:auto}
  .hamburger span{display:block;width:22px;height:2px;background:#1E1E1E;border-radius:2px;transition:all .2s}
  .hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .hamburger.open span:nth-child(2){opacity:0}
  .hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
  .nav-cta{margin:12px 20px;display:block;text-align:center;flex-shrink:0;white-space:nowrap}

  /* HERO SLIDER */
  .slide.active{flex-direction:column}
  .slide-bg{width:100%;max-height:260px;object-fit:cover}
  .slide-text{padding:20px 20px 28px;width:100%}
  .stitle{font-size:22px}
  .ssub{font-size:12px}
  .sarrow{width:28px;height:28px;font-size:14px}

  /* STATS */
  .stats-bar{padding:24px 16px}
  .stats-in{grid-template-columns:1fr 1fr}
  .stat{padding:20px 12px}
  .snum{font-size:32px}

  /* ABOUT */
  .about-grid{grid-template-columns:1fr;gap:28px}
  .about-img{max-width:100%}
  .why-cards{grid-template-columns:1fr}

  /* TECH STRIP */
  .tech-bar{padding:28px 16px}
  .tech-in{flex-direction:column;gap:20px}
  .tfeats{flex-wrap:wrap;justify-content:center;gap:16px}

  /* PRODUCTS SECTION */
  .sec{padding:40px 16px}
  .sec-in{padding:0}
  .tabs{gap:6px}
  .tab{padding:6px 12px;font-size:10px}
  .pscroll .pcard{min-width:220px;max-width:220px}
  .scroll-arrow{display:none}

  /* CONTACT */
  .cgrid{grid-template-columns:1fr;gap:32px}

  /* FOOTER */
  .fgrid{grid-template-columns:1fr 1fr;gap:24px}
  .fbrand{grid-column:1/-1}
  .fbot{flex-direction:column;gap:6px;text-align:center}

  /* PRODUCT PAGES */
  .prod-hero{padding:32px 16px}
  .prod-hero-in{grid-template-columns:1fr;min-height:auto;gap:24px}
  .prod-hero-img{height:260px}
  .prod-hero-content{padding:0}
  .prod-ctas{flex-wrap:wrap}

  /* MEDIA + CONTENT */
  .media-content{padding:32px 16px}
  .media-content-in{grid-template-columns:1fr;gap:32px}
  .media-viewer{position:static}

  /* CONTENT TABS */
  .content-tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .content-tabs::-webkit-scrollbar{display:none}
  .ctab{white-space:nowrap;padding:8px 14px;font-size:10px}

  /* PSB VARIANT TABS */
  .var-tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:2px}
  .var-tabs::-webkit-scrollbar{display:none}
  .vtab{white-space:nowrap;padding:10px 16px;font-size:10px}

  /* PSB VARIANT PANELS */
  .vpanel.active{grid-template-columns:1fr;gap:24px}

  /* CASE STUDIES */
  .cs-grid{grid-template-columns:1fr;gap:16px}
  .case-studies{padding:40px 16px}

  /* FAQ */
  .faq-sec{padding:40px 16px}
  .faq-sec-in{max-width:100%}

  /* ENQUIRY */
  .enq-sec{padding:40px 16px}
  .enq-in{grid-template-columns:1fr;gap:28px}
  .frow{grid-template-columns:1fr}

  /* ABOUT PAGE */
  .about-intro{grid-template-columns:1fr;gap:28px;margin-bottom:40px}
  .cap-table-wrap{grid-template-columns:1fr}
  .cap-row:nth-last-child(-n+2){border-bottom:1px solid #E5E5E5}
  .cap-row:last-child{border-bottom:none}
  .values-grid{grid-template-columns:1fr 1fr}

  /* CASE STUDY PAGES */
  .cs-page-hero-in{grid-template-columns:1fr;min-height:auto;gap:24px}
  .cs-hero-content{padding:0}
  .cs-hero-img{height:240px}

  /* INDUSTRY PAGES */
  .ind-hero-in{grid-template-columns:1fr}

  /* GENERAL */
  .stit{font-size:22px}
  .btn-solid,.btn-ghost{padding:11px 20px;font-size:10.5px}
  .tab-apps{grid-template-columns:1fr}
  .vm-grid{grid-template-columns:1fr}
  .ind-scroll .icard-grad{min-width:150px}
}

@media(max-width:480px){
  .fgrid{grid-template-columns:1fr}
  .stats-in{grid-template-columns:1fr 1fr}
  .values-grid{grid-template-columns:1fr}
  .cs-grid{grid-template-columns:1fr}
  .prod-hero-img{height:200px}
}

.cs-read{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#C0392B;margin-top:12px;cursor:pointer}