:root{--color-primary: #0A4D8C;--color-primary-rgb: 10, 77, 140;--color-navy: #08315C;--color-green: #138A36;--color-green-rgb: 19, 138, 54;--color-green-text: #10742D;--color-orange: #F39C12;--color-focus: #B45309;--color-orange-rgb: 243, 156, 18;--color-white: #FFFFFF;--color-light: #F5F7FA;--color-text: #17202E;--color-text-muted: #5B6472;--color-border: #E3E8EF;--color-surface: #FFFFFF;--color-bg: #F5F7FA;--color-surface-alt: #EEF2F7;--footer-bg: #092B4B;--footer-card: #113B60;--shadow-sm: 0 1px 2px rgba(8, 49, 92, .06), 0 1px 1px rgba(8, 49, 92, .04);--shadow-md: 0 6px 16px rgba(8, 49, 92, .08), 0 2px 6px rgba(8, 49, 92, .05);--shadow-lg: 0 16px 40px rgba(8, 49, 92, .14), 0 4px 12px rgba(8, 49, 92, .06);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 22px;--radius-pill: 999px;--font-display: "Noto Serif Bengali", "Hind Siliguri", serif;--font-body: "Hind Siliguri", "Noto Sans Bengali", "Noto Sans Devanagari", "Nirmala UI", system-ui, sans-serif;--space-1: .4rem;--space-2: .8rem;--space-3: 1.2rem;--space-4: 1.8rem;--space-5: 2.6rem;--space-6: 4rem;--space-7: 6rem;--container-w: 1200px;--nav-h: 76px;--ticker-h: 40px;--transition-fast: .16s ease;--transition-base: .26s cubic-bezier(.4, 0, .2, 1)}@font-face{font-family:Hind Siliguri;src:url(../assets/fonts/HindSiliguri-Regular.ttf) format("truetype");font-weight:400 600;font-display:swap}@font-face{font-family:Hind Siliguri;src:url(../assets/fonts/HindSiliguri-Bold.ttf) format("truetype");font-weight:700;font-display:swap}[data-theme=dark]{--color-text: #E8ECF2;--color-text-muted: #9BA7B9;--color-border: #223047;--color-surface: #101A2C;--color-bg: #0A1220;--color-surface-alt: #16223A;--color-green-text: #17A942;--footer-bg: #10243D;--footer-card: #173451;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 6px 18px rgba(0, 0, 0, .35);--shadow-lg: 0 20px 44px rgba(0, 0, 0, .45)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--color-text);background:var(--color-bg);transition:background var(--transition-base),color var(--transition-base)}html[lang=hi] body{font-family:Noto Sans Devanagari,Nirmala UI,system-ui,sans-serif}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}img,picture,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}ul,ol{list-style:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea,select{font-family:inherit;font-size:1rem;color:var(--color-text);background:var(--color-surface)}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.3;font-weight:700;color:var(--color-navy)}[data-theme=dark] h1,[data-theme=dark] h2,[data-theme=dark] h3,[data-theme=dark] h4{color:#f2f5f9}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px;border-radius:4px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-navy);color:#fff;padding:.8rem 1.4rem;z-index:999;border-radius:0 0 var(--radius-sm) 0}.skip-link:focus{left:0}section[id]{scroll-margin-top:calc(var(--nav-h) + var(--ticker-h) + 14px)}.container{width:100%;max-width:var(--container-w);margin-inline:auto;padding-inline:var(--space-4)}.section{padding-block:var(--space-7)}.section-alt{background:var(--color-surface-alt)}.section-head{max-width:680px;margin-bottom:var(--space-5)}.eyebrow{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-body);font-weight:600;font-size:.85rem;letter-spacing:.02em;color:var(--color-green-text);background:rgba(var(--color-green-rgb),.09);padding:.35em .9em;border-radius:var(--radius-pill);margin-bottom:var(--space-2)}.section-head h2{font-size:clamp(1.6rem,1.2rem + 1.6vw,2.4rem);margin-bottom:var(--space-2)}.section-head p{color:var(--color-text-muted);font-size:1.05rem;max-width:60ch}.center{text-align:center;margin-inline:auto}.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.is-visible{opacity:1;transform:translateY(0)}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;font-family:var(--font-body);font-weight:600;font-size:1rem;padding:.85em 1.7em;border-radius:var(--radius-pill);transition:transform var(--transition-fast),box-shadow var(--transition-fast),background var(--transition-fast),border-color var(--transition-fast);white-space:nowrap}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-navy));color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-secondary{background:transparent;color:var(--color-green-text);border:1.5px solid var(--color-green-text)}.btn-secondary:hover{background:rgba(var(--color-green-rgb),.08);transform:translateY(-2px)}.btn-block{width:100%}.btn-sm{padding:.6em 1.3em;font-size:.92rem}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;color:var(--color-navy);transition:background var(--transition-fast),transform var(--transition-fast)}.icon-btn:hover{background:rgba(var(--color-primary-rgb),.08)}[data-theme=dark] .icon-btn{color:#e8ecf2}.icon{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-btn .icon{color:inherit}.brand{display:flex;align-items:center;gap:.7rem;flex-shrink:0}.hero{padding-block:var(--space-6) var(--space-7);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(600px circle at 88% -10%,rgba(var(--color-green-rgb),.07),transparent 60%),radial-gradient(500px circle at -5% 110%,rgba(var(--color-orange-rgb),.08),transparent 60%);pointer-events:none;z-index:0}.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:var(--space-6);align-items:center}.hero-eyebrow{display:inline-flex;align-items:center;gap:.5em;color:var(--color-navy);background:var(--color-surface-alt);border:1px solid var(--color-border);padding:.4em 1em;border-radius:var(--radius-pill);font-weight:600;font-size:.85rem;margin-bottom:var(--space-3)}.hero-eyebrow .flag-dot{display:inline-flex;gap:3px}.hero-eyebrow .flag-dot i{width:6px;height:6px;border-radius:50%}.hero-eyebrow .flag-dot i:nth-child(1){background:var(--color-orange)}.hero-eyebrow .flag-dot i:nth-child(2){background:var(--color-text-muted)}.hero-eyebrow .flag-dot i:nth-child(3){background:var(--color-green)}.hero h1{font-size:clamp(2rem,1.3rem + 3.2vw,3.4rem);letter-spacing:-.01em;margin-bottom:var(--space-3)}.hero-sub{font-size:1.12rem;color:var(--color-text-muted);max-width:56ch;margin-bottom:var(--space-4)}.hero-ctas{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-bottom:var(--space-4)}.hero-meta{display:flex;flex-wrap:wrap;gap:var(--space-4)}.hero-meta div{display:flex;flex-direction:column}.hero-meta strong{font-family:var(--font-display);font-size:1.5rem;color:var(--color-primary)}[data-theme=dark] .hero-meta strong{color:#6fa8dc}.hero-meta span{font-size:.85rem;color:var(--color-text-muted)}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:320px}.hub-diagram{width:min(420px,100%);height:auto}.hub-diagram .spoke{stroke:var(--color-primary);opacity:.28}.hub-diagram .node-label{font-family:var(--font-body);font-size:8.5px;font-weight:700;fill:var(--color-navy)}[data-theme=dark] .hub-diagram .node-label{fill:#e8ecf2}.hub-diagram .center-ring{fill:var(--color-surface);stroke:var(--color-navy)}.hub-diagram .pulse{animation:hub-pulse 2.4s ease-in-out infinite;transform-origin:center}@keyframes hub-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.about-grid{display:grid;gap:var(--space-5);align-items:center}.about-points{display:grid;gap:var(--space-3);margin-top:var(--space-4)}.about-point{display:flex;gap:.9rem;align-items:flex-start;padding:var(--space-3);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.about-point .icon{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:rgba(var(--color-primary-rgb),.09);color:var(--color-primary);display:flex;align-items:center;justify-content:center}.about-point h3{font-size:1.02rem;margin-bottom:.2rem}.about-point p{color:var(--color-text-muted);font-size:.94rem}.community-grid{display:grid;gap:var(--space-4);grid-template-columns:1fr}.community-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5) var(--space-4);box-shadow:var(--shadow-sm);transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base);display:flex;flex-direction:column;height:100%}.community-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(var(--color-primary-rgb),.25)}.community-card .badge-icon{width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-3)}.community-card.telegram .badge-icon{background:rgba(var(--color-primary-rgb),.1);color:var(--color-primary)}.community-card.mcq .badge-icon{background:rgba(var(--color-orange-rgb),.12);color:var(--color-orange)}.community-card.whatsapp .badge-icon{background:rgba(var(--color-green-rgb),.12);color:var(--color-green)}.community-card h3{font-size:1.25rem;margin-bottom:.5rem}.community-card ul{margin:var(--space-3) 0 var(--space-4);display:grid;gap:.5rem}.community-card ul li{display:flex;align-items:center;gap:.6rem;color:var(--color-text-muted);font-size:.94rem}.community-card ul li svg{flex-shrink:0;color:var(--color-green)}.community-card .btn{margin-top:auto}.services-grid{display:grid;gap:var(--space-3);grid-template-columns:repeat(2,1fr)}.service-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);text-align:left;transition:transform var(--transition-base),box-shadow var(--transition-base)}.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.service-card .icon{width:44px;height:44px;border-radius:50%;border:1.6px solid var(--color-primary);color:var(--color-primary);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-2)}.service-card h3{font-size:1rem;font-weight:700;font-family:var(--font-body);color:var(--color-text)}.articles-grid{display:grid;gap:var(--space-4);grid-template-columns:1fr}.article-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--transition-base),box-shadow var(--transition-base);display:flex;flex-direction:column}.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.article-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--color-primary),var(--color-navy));position:relative;display:flex;align-items:center;justify-content:center;color:#ffffffd9}.article-body{padding:var(--space-4);display:flex;flex-direction:column;flex:1}.article-category{align-self:flex-start;font-size:.74rem;font-weight:700;color:var(--color-green-text);background:rgba(var(--color-green-rgb),.1);padding:.25em .8em;border-radius:var(--radius-pill);margin-bottom:var(--space-2)}.article-body h3{font-size:1.08rem;margin-bottom:.4rem}.article-body p{color:var(--color-text-muted);font-size:.93rem;margin-bottom:var(--space-3)}.article-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:.83rem;color:var(--color-text-muted)}.article-meta a{color:var(--color-primary);font-weight:700}.article-meta a:hover{text-decoration:underline}.trust-grid{display:grid;gap:var(--space-3);grid-template-columns:1fr 1fr}.trust-card{text-align:center;padding:var(--space-4) var(--space-2)}.trust-card .icon{width:60px;height:60px;margin-inline:auto;border-radius:50%;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:center;color:var(--color-primary);margin-bottom:var(--space-2)}.trust-card h3{font-size:.98rem;margin-bottom:.3rem}.trust-card p{font-size:.85rem;color:var(--color-text-muted)}.faq-list{display:grid;gap:var(--space-2);max-width:780px}.faq-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:var(--space-3) var(--space-4);font-weight:700;cursor:pointer}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary .plus{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:rgba(var(--color-primary-rgb),.09);color:var(--color-primary);display:flex;align-items:center;justify-content:center;transition:transform var(--transition-base)}.faq-item[open] summary .plus{transform:rotate(135deg)}.faq-answer{padding:0 var(--space-4) var(--space-4);color:var(--color-text-muted)}.newsletter{background:linear-gradient(135deg,var(--color-navy),var(--color-primary));border-radius:var(--radius-lg);padding:var(--space-6) var(--space-4);color:#fff;text-align:center}.newsletter h2{color:#fff;font-size:clamp(1.4rem,1.1rem + 1.2vw,2rem);margin-bottom:var(--space-2)}.newsletter p{color:#ffffffd1;max-width:52ch;margin-inline:auto;margin-bottom:var(--space-4)}.newsletter-form{display:flex;flex-direction:column;gap:.7rem;max-width:460px;margin-inline:auto}.newsletter-form input{padding:.9em 1.2em;border-radius:var(--radius-pill);border:none;font-size:1rem}.newsletter-form .btn-primary{background:var(--color-orange);color:var(--color-navy);box-shadow:none}.newsletter-note{font-size:.8rem;color:#ffffffa6;margin-top:var(--space-2)}.newsletter-success,.newsletter-error{display:none;max-width:460px;margin-inline:auto;padding:.9em 1.2em;border-radius:var(--radius-md)}.newsletter-success{background:#ffffff24}.newsletter-success.is-visible{display:block}.newsletter-error{background:#ffffff24;border-left:3px solid #F2B8A0}.newsletter-error.is-visible{display:block}.contact-grid{display:grid;gap:var(--space-4);grid-template-columns:1fr}.contact-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);display:flex;gap:var(--space-3);align-items:center;box-shadow:var(--shadow-sm);transition:transform var(--transition-base)}.contact-card:hover{transform:translateY(-4px)}.contact-card .icon{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.contact-card.email .icon,.contact-card.telegram .icon{background:rgba(var(--color-primary-rgb),.1);color:var(--color-primary)}.contact-card.whatsapp .icon{background:rgba(var(--color-green-rgb),.12);color:var(--color-green)}.contact-card.social .icon{background:rgba(var(--color-orange-rgb),.12);color:var(--color-orange)}.contact-card h3{font-size:1rem;margin-bottom:.15rem}.contact-card p{font-size:.88rem;color:var(--color-text-muted)}.site-footer{background:var(--color-navy);color:#ffffffd1;padding-block:var(--space-6) var(--space-4)}[data-theme=dark] .site-footer{background:#060d18}@media(min-width:640px){.services-grid,.trust-grid{grid-template-columns:repeat(3,1fr)}.hero-ctas .btn{width:auto}.newsletter-form{flex-direction:row}.newsletter-form input{flex:1}}@media(min-width:860px){.nav-links{display:flex}.hamburger{display:none}.hero .container{grid-template-columns:1.1fr .9fr}.about-grid{grid-template-columns:1fr 1fr}.community-grid,.articles-grid{grid-template-columns:repeat(3,1fr)}.contact-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr}}@media(min-width:1100px){.services-grid{grid-template-columns:repeat(5,1fr)}.trust-grid{grid-template-columns:repeat(6,1fr)}}@media(max-width:480px){.hero-ctas .btn{width:100%}:root{--space-7: 3.4rem;--space-6: 2.6rem}}.site-header{position:sticky;top:0;z-index:100;background:#ffffffd9;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--color-border);transition:background var(--transition-base)}[data-theme=dark] .site-header{background:#0a1220d9}.navbar{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:var(--space-3)}.brand{display:flex;align-items:center;gap:.7rem;flex-shrink:0;text-decoration:none}.brand-logo{width:42px;height:42px;flex-shrink:0}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.18rem;color:var(--color-navy)}[data-theme=dark] .brand-name{color:#f2f5f9}.brand-tagline{font-size:.72rem;color:var(--color-green-text);font-weight:600;letter-spacing:.01em}.nav-links{display:none;align-items:center;gap:var(--space-4)}.nav-links a{font-weight:600;font-size:.97rem;color:var(--color-text);position:relative;padding-block:.4rem}.nav-links a:after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--color-orange);transition:width var(--transition-base)}.nav-links a:hover:after,.nav-links a:focus-visible:after,.nav-links a[aria-current=page]:after{width:100%}.nav-actions{display:flex;align-items:center;gap:.3rem}.hamburger{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:50%}.hamburger:hover{background:rgba(var(--color-primary-rgb),.08)}.hamburger span{display:block;width:20px;height:2px;background:currentColor;position:relative;transition:background var(--transition-fast)}.hamburger span:before,.hamburger span:after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;transition:transform var(--transition-fast),top var(--transition-fast)}.hamburger span:before{top:-6px}.hamburger span:after{top:6px}[data-theme=dark] .hamburger{color:#e8ecf2}.hamburger[aria-expanded=true] span{background:transparent}.hamburger[aria-expanded=true] span:before{top:0;transform:rotate(45deg)}.hamburger[aria-expanded=true] span:after{top:0;transform:rotate(-45deg)}.ticker{height:var(--ticker-h);background:var(--color-navy);color:#fff;display:flex;align-items:center;overflow:hidden;border-bottom:3px solid var(--color-orange)}.ticker-label{flex-shrink:0;display:flex;align-items:center;gap:.4rem;height:100%;background:var(--color-orange);color:var(--color-navy);font-weight:700;font-size:.82rem;padding-inline:var(--space-3)}.ticker-label .dot{width:7px;height:7px;border-radius:50%;background:var(--color-navy);animation:pulse-dot 1.6s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.3}}.ticker-track-wrap{flex:1;overflow:hidden;height:100%;display:flex;align-items:center}.ticker-track{display:flex;gap:var(--space-6);white-space:nowrap;animation:scroll-ticker 32s linear infinite;padding-left:100%}.ticker-track:hover{animation-play-state:paused}.ticker-track span{font-size:.9rem;font-weight:500}@keyframes 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