:root{--primary:#e03c31;--primary-dark:#b8291f;--secondary:#002147;--secondary-light:#003366;--accent:#f36f21;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--bg:#f8f9fc;--bg-alt:#f0f2f7;--surface:#fff;--surface-alt:#f7f8fb;--text:#1a1a2e;--text-secondary:#4a5568;--text-muted:#718096;--border:#e2e8f0;--border-light:#f1f5f9;--shadow:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 12px rgba(0,0,0,.1);--shadow-lg:0 10px 30px rgba(0,0,0,.12);--radius:8px;--radius-lg:16px;--radius-xl:24px;--font:'Inter',system-ui,sans-serif;--font-bn:'Noto Sans Bengali','Inter',sans-serif;--transition:all .3s cubic-bezier(.4,0,.2,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased}
body.lang-bn{font-family:var(--font-bn)}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;top:-100%;left:0;background:var(--primary);color:#fff;padding:8px 16px;z-index:9999;transition:.3s}
.skip-link:focus{top:0}

/* Top Bar */
.top-bar{background:var(--secondary);color:rgba(255,255,255,.85);font-size:13px;padding:6px 0}
.top-bar-inner{display:flex;justify-content:space-between;align-items:center}
.lang-switch{display:flex;align-items:center;gap:6px}
.lang-btn{background:none;border:1px solid rgba(255,255,255,.3);color:rgba(255,255,255,.8);padding:3px 10px;border-radius:4px;cursor:pointer;font-size:12px;transition:var(--transition)}
.lang-btn.active,.lang-btn:hover{background:rgba(255,255,255,.15);color:#fff;border-color:rgba(255,255,255,.6)}
.lang-divider{color:rgba(255,255,255,.3)}

/* Header */
.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;transition:var(--transition)}
.site-header.scrolled{box-shadow:var(--shadow-md)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:20px}
.logo-img{height:44px;width:auto;object-fit:contain}
.main-nav .nav-list{display:flex;align-items:center;gap:4px}
.nav-link{color:var(--text);font-size:14px;font-weight:500;padding:8px 14px;border-radius:var(--radius);transition:var(--transition);display:flex;align-items:center;gap:4px;white-space:nowrap}
.nav-link:hover,.nav-link:focus{color:var(--primary);background:rgba(224,60,49,.05)}
.nav-highlight{color:var(--primary)!important;font-weight:600}
.nav-arrow{transition:transform .2s}
.has-dropdown{position:relative}
.has-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.has-dropdown:hover .nav-arrow{transform:rotate(180deg)}
.dropdown-menu{position:absolute;top:100%;left:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:8px;min-width:220px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(8px);transition:var(--transition);z-index:100}
.dropdown-menu li a{display:block;padding:8px 14px;color:var(--text);font-size:13px;border-radius:6px;transition:var(--transition)}
.dropdown-menu li a:hover{background:var(--bg);color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:var(--radius);font-weight:600;font-size:14px;border:none;cursor:pointer;transition:var(--transition);text-decoration:none;line-height:1.4}
.btn-sm{padding:8px 16px;font-size:13px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 2px 8px rgba(224,60,49,.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(224,60,49,.4);color:#fff}
.btn-secondary{background:var(--secondary);color:#fff}
.btn-secondary:hover{background:var(--secondary-light);color:#fff;transform:translateY(-1px)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--text);transition:var(--transition);border-radius:2px}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:998}
.mobile-nav-overlay.active{display:block}

/* Hero */
.hero{background:linear-gradient(135deg,var(--secondary) 0%,#003d7a 50%,var(--secondary-light) 100%);color:#fff;padding:80px 0 90px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,.03)" stroke-width="1"/></svg>') repeat;opacity:.5}
.hero-content{position:relative;z-index:1;max-width:700px}
.hero h1{font-size:clamp(28px,5vw,48px);font-weight:800;line-height:1.15;margin-bottom:16px;letter-spacing:-.5px}
.hero p{font-size:clamp(15px,2vw,18px);opacity:.9;margin-bottom:30px;line-height:1.7}
.hero .breadcrumbs{margin-bottom:20px}
.cta-buttons{display:flex;gap:14px;flex-wrap:wrap}

/* Breadcrumbs */
.breadcrumbs ol{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7)}
.breadcrumbs a{color:rgba(255,255,255,.7)}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs li::after{content:'/';margin-left:8px;opacity:.5}
.breadcrumbs li:last-child::after{display:none}
.breadcrumbs .breadcrumb-current{color:#fff;font-weight:500}
.page-breadcrumbs .breadcrumbs ol{color:var(--text-muted)}
.page-breadcrumbs .breadcrumbs a{color:var(--text-muted)}
.page-breadcrumbs .breadcrumbs a:hover{color:var(--primary)}
.page-breadcrumbs .breadcrumb-current{color:var(--text)}

/* Sections */
.section{padding:70px 0}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:700;color:var(--secondary);margin-bottom:10px;letter-spacing:-.3px}
.section-subtitle{color:var(--text-muted);font-size:16px;max-width:600px;margin-bottom:40px}
.section-center{text-align:center}
.section-center .section-subtitle{margin-left:auto;margin-right:auto}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:28px;transition:var(--transition);position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border)}
.card-img{width:100%;height:200px;object-fit:cover;border-radius:var(--radius)}
.card-body{padding-top:20px}
.card-title{font-size:18px;font-weight:600;color:var(--secondary);margin-bottom:8px}
.card-text{color:var(--text-muted);font-size:14px;line-height:1.7}
.card-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}

/* Grid */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-6{grid-template-columns:repeat(6,1fr)}

/* Stats */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:40px 0}
.stat-item{text-align:center;padding:24px}
.stat-number{font-size:36px;font-weight:800;color:var(--primary);display:block;margin-bottom:4px}
.stat-label{font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}

/* Tables */
.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--surface)}
.table{width:100%;border-collapse:collapse}
.table th{background:var(--secondary);color:#fff;font-weight:600;text-align:left;padding:14px 18px;font-size:13px;text-transform:uppercase;letter-spacing:.5px}
.table td{padding:12px 18px;border-bottom:1px solid var(--border-light);font-size:14px}
.table tr:hover td{background:var(--bg)}
.table tr:last-child td{border-bottom:none}

/* Timeline / Steps */
.timeline{position:relative;padding-left:40px}
.timeline::before{content:'';position:absolute;left:15px;top:0;bottom:0;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:32px}
.timeline-item::before{content:'';position:absolute;left:-29px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--border);border:3px solid var(--surface);z-index:1}
.timeline-item.active::before{background:var(--primary);box-shadow:0 0 0 4px rgba(224,60,49,.2)}
.timeline-item.completed::before{background:var(--success)}
.step-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step-card{text-align:center;padding:24px 16px;background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border-light);position:relative;transition:var(--transition)}
.step-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.step-card::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:700;font-size:16px;margin:0 auto 16px}
.step-card h3{font-size:15px;color:var(--secondary);margin-bottom:8px}
.step-card p{font-size:13px;color:var(--text-muted)}

/* FAQ Accordion */
.faq-list{max-width:800px}
.faq-item{border:1px solid var(--border-light);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--border)}
.faq-q{padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:15px;color:var(--secondary);background:var(--surface);transition:var(--transition)}
.faq-q:hover{background:var(--bg)}
.faq-q svg{flex-shrink:0;transition:transform .3s}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{padding:0 22px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s;color:var(--text-secondary);font-size:14px;line-height:1.8}
.faq-item.open .faq-a{max-height:500px;padding:0 22px 20px}

/* Callout */
.callout{border-radius:var(--radius-lg);padding:24px 28px;margin:24px 0;display:flex;gap:16px;align-items:flex-start}
.callout-info{background:#eff6ff;border-left:4px solid var(--info)}
.callout-warning{background:#fffbeb;border-left:4px solid var(--warning)}
.callout-success{background:#ecfdf5;border-left:4px solid var(--success)}
.callout-danger{background:#fef2f2;border-left:4px solid var(--danger)}
.callout svg{flex-shrink:0;margin-top:2px}
.callout-content h4{font-size:15px;font-weight:600;margin-bottom:4px}
.callout-content p{font-size:14px;color:var(--text-secondary);line-height:1.7}

/* Forms */
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}
.form-control{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:var(--font);transition:var(--transition);background:var(--surface)}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(224,60,49,.1)}
select.form-control{appearance:none;background-image:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="%23718096" stroke-width="2"><path d="M6 9l6 6 6-6"/></svg>');background-repeat:no-repeat;background-position:right 12px center}
textarea.form-control{min-height:100px;resize:vertical}

/* Tags / Badges */
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;line-height:1}
.badge-primary{background:rgba(224,60,49,.1);color:var(--primary)}
.badge-success{background:rgba(16,185,129,.1);color:var(--success)}
.badge-warning{background:rgba(245,158,11,.1);color:var(--warning)}
.badge-info{background:rgba(59,130,246,.1);color:var(--info)}
.badge-secondary{background:rgba(0,33,71,.1);color:var(--secondary)}

/* News Ticker */
.news-ticker{background:var(--secondary);color:#fff;padding:10px 0;overflow:hidden}
.ticker-wrap{display:flex;animation:ticker 30s linear infinite}
.ticker-item{white-space:nowrap;padding:0 40px;font-size:13px}
@keyframes ticker{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* Footer */
.site-footer{background:var(--secondary);color:rgba(255,255,255,.85);padding-top:0;position:relative}
.footer-wave{color:var(--secondary);margin-bottom:-1px}
.footer-wave svg{display:block;width:100%;height:60px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:50px 0 30px}
.footer-logo-img{height:40px;margin-bottom:16px;filter:brightness(10)}
.footer-desc{font-size:13px;line-height:1.8;opacity:.8}
.footer-heading{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-heading::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:var(--primary)}
.footer-links li{margin-bottom:8px}
.footer-links a{color:rgba(255,255,255,.7);font-size:13px;transition:var(--transition)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-middle{border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.footer-cookie-notice{font-size:12px;opacity:.6;line-height:1.7;max-width:800px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:13px}
.footer-sub{font-size:11px;opacity:.5;margin-top:2px}
.footer-version{font-size:11px;opacity:.4}

/* Floating Support */
.floating-support{position:fixed;bottom:28px;right:28px;z-index:997}
.floating-support-btn{display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;padding:12px 22px;border-radius:50px;box-shadow:0 4px 20px rgba(224,60,49,.35);transition:var(--transition);font-weight:600;font-size:14px}
.floating-support-btn:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 6px 28px rgba(224,60,49,.45);color:#fff}

/* Back to Top */
.back-to-top{position:fixed;bottom:90px;right:30px;width:42px;height:42px;border-radius:50%;background:var(--secondary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:var(--transition);z-index:996;box-shadow:var(--shadow-md)}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--primary);transform:translateY(-2px)}

/* Status Timeline */
.status-timeline{display:flex;justify-content:space-between;position:relative;padding:20px 0}
.status-timeline::before{content:'';position:absolute;top:30px;left:0;right:0;height:3px;background:var(--border)}
.status-step{text-align:center;position:relative;z-index:1;flex:1}
.status-dot{width:24px;height:24px;border-radius:50%;background:var(--border);border:3px solid var(--surface);margin:0 auto 10px;transition:var(--transition);box-shadow:0 0 0 3px var(--border)}
.status-step.active .status-dot{background:var(--primary);box-shadow:0 0 0 3px rgba(224,60,49,.3)}
.status-step.completed .status-dot{background:var(--success);box-shadow:0 0 0 3px rgba(16,185,129,.3)}
.status-label{font-size:12px;color:var(--text-muted);font-weight:500}
.status-step.active .status-label{color:var(--primary);font-weight:600}

/* Alerts */
.alert{padding:16px 20px;border-radius:var(--radius);margin-bottom:20px;font-size:14px;display:flex;align-items:center;gap:10px}
.alert-warning{background:#fffbeb;border:1px solid #fcd34d;color:#92400e}
.alert-success{background:#ecfdf5;border:1px solid #6ee7b7;color:#065f46}
.alert-danger{background:#fef2f2;border:1px solid #fca5a5;color:#991b1b}
.alert-info{background:#eff6ff;border:1px solid #93c5fd;color:#1e40af}

/* Spinner */
.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:20px auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* Country Strip */
.country-strip{display:flex;gap:12px;overflow-x:auto;padding:10px 0;scrollbar-width:thin}
.country-flag{width:48px;height:32px;border-radius:4px;object-fit:cover;border:1px solid var(--border);transition:var(--transition);cursor:pointer}
.country-flag:hover{transform:scale(1.15);box-shadow:var(--shadow-md)}

/* Partners */
.partner-grid{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap;padding:20px 0;opacity:.6}
.partner-grid img{height:36px;filter:grayscale(1);transition:var(--transition)}
.partner-grid img:hover{filter:grayscale(0);opacity:1}

/* Testimonials */
.testimonial-card{background:var(--surface);border-radius:var(--radius-lg);padding:28px;border:1px solid var(--border-light);position:relative}
.testimonial-card::before{content:'"';position:absolute;top:10px;left:20px;font-size:60px;color:var(--primary);opacity:.15;font-family:Georgia,serif;line-height:1}
.testimonial-text{font-size:14px;color:var(--text-secondary);line-height:1.8;margin-bottom:16px;padding-top:20px}
.testimonial-author{font-weight:600;font-size:14px;color:var(--secondary)}
.testimonial-role{font-size:12px;color:var(--text-muted)}

/* Print */
@media print{.site-header,.top-bar,.site-footer,.floating-support,.back-to-top,.hamburger,.no-print{display:none!important}.hero{background:var(--secondary)!important;-webkit-print-color-adjust:exact}}

/* Responsive */
@media(max-width:1024px){
.grid-4{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(2,1fr)}
.step-grid{grid-template-columns:repeat(3,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.stats-bar{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.hamburger{display:flex}
.main-nav{position:fixed;top:0;right:-300px;width:280px;height:100vh;background:var(--surface);box-shadow:var(--shadow-lg);z-index:999;transition:var(--transition);overflow-y:auto;padding:60px 20px 20px}
.main-nav.open{right:0}
.main-nav .nav-list{flex-direction:column;align-items:stretch;gap:0}
.nav-link{padding:12px 16px;border-bottom:1px solid var(--border-light)}
.dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:16px}
.header-cta{display:none}
.hero{padding:50px 0 60px}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
.step-grid{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr}
.stats-bar{grid-template-columns:1fr 1fr}
.status-timeline{flex-direction:column;gap:12px}
.status-timeline::before{display:none}
.cta-buttons{flex-direction:column}
.footer-bottom{flex-direction:column;text-align:center;gap:8px}
}
@media(max-width:768px){
    /* Biometric Capture Enhancements */
    #cameraInterface .grid-2 {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
    }
    .video-preview {
        aspect-ratio: 1/1 !important; /* Make it more square on mobile to focus on hand */
    }
    .video-preview video {
        height: 100% !important;
    }
    
    /* Tracking Page Enhancements */
    .status-timeline {
        padding-left: 30px;
        align-items: flex-start;
    }
    .status-step {
        text-align: left;
        margin-bottom: 20px;
    }
    .status-dot {
        margin: 0 0 10px 0;
    }
    
    /* Layout Polishing */
    .card {
        padding: 20px;
    }
    .hero {
        padding: 40px 0;
    }
    .section {
        padding: 40px 0;
    }
    .btn-block {
        width: 100%;
        justify-content: center;
    }
}

@media(max-width:480px) {
    .hero h1 { font-size: 24px; }
    .section-title { font-size: 20px; }
    .card-title { font-size: 16px; }
    .top-bar { display: none; }
}