@import "https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;600;700;800&family=Hind+Siliguri:wght@400;500;600;700&display=swap";:root{--color-mint:#7adfc0;--color-mint-soft:#e4f8f0;--color-sky:#7cc4f0;--color-sky-dark:#3b82f6;--color-sky-soft:#e3f1fb;--color-sunny:#ffd166;--color-sunny-soft:#fff4d6;--color-coral:#ff8b7e;--color-coral-soft:#ffe9e6;--color-lavender:#b79ced;--color-lavender-soft:#efe8fb;--color-bg:#fff;--color-bg-alt:#f7fafc;--color-text:#334155;--color-text-strong:#1e293b;--color-text-soft:#64748b;--color-border:#e2e8f0;--brand-navy:#1f2a4a;--brand-teal:#0fa384;--brand-teal-dark:#0c8a70;--brand-coral:#ef6a4c;--brand-coral-dark:#e5573a;--brand-cream:#fdf1cf;--brand-cream-2:#fce7ad;--brand-mint-bg:#eaf7f1;--brand-mint-bg-2:#e3f5ee;--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--radius-pill:999px;--shadow-soft:0 4px 16px #33415514;--shadow-hover:0 8px 24px #33415524;--font-display:"Baloo 2", "Hind Siliguri", system-ui, sans-serif;--font-body:"Hind Siliguri", "Baloo 2", system-ui, sans-serif;--container-max:1120px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-8:48px;--ease-bounce:cubic-bezier(.34, 1.56, .64, 1);--transition-fast:.15s ease;--transition-base:.24s ease}[data-theme=dark]{--color-bg:#1c2333;--color-bg-alt:#252b3b;--color-text:#cbd5e1;--color-text-strong:#e2e8f0;--color-text-soft:#89a;--color-border:#384354;--color-mint:#3dd9a8;--color-mint-soft:#124034;--color-sky:#5a9de0;--color-sky-dark:#4a88c4;--color-sky-soft:#223a54;--color-sunny:#e0b050;--color-sunny-soft:#3e3010;--color-coral:#e87080;--color-coral-soft:#4e2028;--color-lavender:#9878e0;--color-lavender-soft:#2e2250;--brand-navy:#d0d5e0;--brand-teal:#38c4a0;--brand-teal-dark:#28a084;--brand-coral:#e07868;--brand-coral-dark:#c45848;--brand-mint-bg:#124034;--brand-mint-bg-2:#184a40;--brand-cream:#3e2e14;--brand-cream-2:#4c3a1e;--color-code-bg:#252b3b;--color-code-text:#d0d5e0;--card-green-bg:#124034;--card-green-ic:#3dd9a8;--card-blue-bg:#223a54;--card-blue-ic:#5a9de0;--card-purple-bg:#2e2250;--card-purple-ic:#9878e0;--card-yellow-bg:#3e3010;--card-yellow-ic:#e0b050;--card-red-bg:#6a303c;--card-red-ic:#c8a0a8;--card-indigo-bg:#282850;--card-indigo-ic:#8888c0;--shadow-soft:0 4px 16px #00000047;--shadow-hover:0 8px 24px #00000061}[data-theme=dark] body{background:#1c2333}[data-theme=dark] .site-header{background:#1c2333eb}[data-theme=dark] .site-nav__link--active,[data-theme=dark] .site-header__avatar{background:var(--color-sky-soft);color:var(--color-sky)}[data-theme=dark] .site-nav{background:var(--brand-navy);border-left-color:var(--color-border)}[data-theme=dark] img{opacity:.9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg-alt);-webkit-font-smoothing:antialiased;margin:0;line-height:1.7}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--color-text-strong);margin:0 0 var(--space-3);line-height:1.25}p{margin:0 0 var(--space-4)}a{color:var(--color-sky);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}button{font-family:inherit}.container{width:100%;max-width:var(--container-max);padding:0 var(--space-5);margin:0 auto}:focus-visible{outline:3px solid var(--color-sky);outline-offset:2px;border-radius:var(--radius-sm)}.bn{font-family:var(--font-body);letter-spacing:0;font-weight:500}@media (width<=640px){body{font-size:.975rem}h1{font-size:1.7rem!important}h2{font-size:1.3rem!important}.container{padding:0 var(--space-4)}}.btn{justify-content:center;align-items:center;gap:var(--space-2);font-family:var(--font-display);border-radius:var(--radius-pill);cursor:pointer;transition:transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);border:none;padding:10px 22px;font-size:1rem;font-weight:700;display:inline-flex}.btn:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.btn:active{transform:translateY(0)scale(.97)}.btn:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.btn--primary{background:var(--color-sky);color:#fff}.btn--success{background:var(--color-mint);color:#14532d}.btn--sunny{background:var(--color-sunny);color:#713f12}.btn--coral{background:var(--color-coral);color:#fff}.btn--ghost{color:var(--color-sky);border:2px solid var(--color-sky);background:0 0}.btn--ghost-dark{color:var(--color-text);border:2px solid var(--color-border);background:0 0}.btn--lg{padding:14px 30px;font-size:1.1rem}.btn--sm{padding:6px 14px;font-size:.875rem}.card{background:var(--color-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);border:2px solid var(--color-border);padding:var(--space-5);transition:transform var(--transition-base), box-shadow var(--transition-base)}.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}.card--mint{border-top:6px solid var(--color-mint)}.card--sky{border-top:6px solid var(--color-sky)}.card--sunny{border-top:6px solid var(--color-sunny)}.card--coral{border-top:6px solid var(--color-coral)}.card--lavender{border-top:6px solid var(--color-lavender)}.card__title{margin-bottom:var(--space-2);font-size:1.25rem}.card__body{color:var(--color-text-soft);margin-bottom:var(--space-4)}.progress{background:var(--color-bg-alt);border-radius:var(--radius-pill);border:1px solid var(--color-border);width:100%;height:14px;overflow:hidden}.progress__fill{border-radius:var(--radius-pill);background:linear-gradient(90deg, var(--color-mint), var(--color-sky));height:100%;transition:width .4s var(--ease-bounce)}.progress__label{color:var(--color-text-soft);margin-bottom:var(--space-2);justify-content:space-between;font-size:.8125rem;display:flex}.mascot{justify-content:center;align-items:center;display:inline-flex}.mascot img,.mascot svg{width:100%;height:auto;display:block}.mascot--bounce{animation:2.6s ease-in-out infinite mascot-bounce}@keyframes mascot-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.badge{align-items:center;gap:var(--space-1);font-size:.75rem;font-weight:700;font-family:var(--font-display);border-radius:var(--radius-pill);background:var(--color-sky-soft);color:var(--color-sky);padding:3px 12px;display:inline-flex}.badge--mint{background:var(--color-mint-soft);color:var(--color-mint)}.badge--sunny{background:var(--color-sunny-soft);color:var(--color-sunny)}.badge--coral{background:var(--color-coral-soft);color:var(--color-coral)}.badge--lavender{background:var(--color-lavender-soft);color:var(--color-lavender)}.site-header{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border);background:#f7fafceb;position:sticky;top:0}.site-header__inner{align-items:center;gap:var(--space-5);padding-top:var(--space-3);padding-bottom:var(--space-3);display:flex}.site-brand{align-items:center;gap:var(--space-2);display:flex;text-decoration:none!important}.site-brand__name{font-family:var(--font-display);color:var(--color-text-strong);font-size:1.4rem;font-weight:800}.site-brand__accent{color:var(--color-coral)}.site-nav{display:none}.site-nav__link{font-family:var(--font-display);color:var(--color-text);padding:var(--space-2) var(--space-3);border-radius:var(--radius-pill);transition:background var(--transition-fast), color var(--transition-fast);font-weight:600;text-decoration:none!important}.site-nav__link:hover{background:var(--color-bg-alt)}.site-nav__link--active{background:var(--color-sky-soft);color:var(--color-sky)}.site-header__actions{gap:var(--space-2);align-items:center;display:flex}.site-header__right{align-items:center;gap:var(--space-2);margin-left:auto;display:flex}.theme-toggle{background:var(--color-bg-alt);border:1px solid var(--color-border);width:36px;height:36px;color:var(--color-text);cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.theme-toggle:hover{background:var(--color-sky-soft);color:var(--color-sky)}.theme-toggle svg{width:18px;height:18px}.site-header__avatar{background:var(--color-sky-soft);width:36px;height:36px;color:var(--color-sky);transition:background var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:flex}.site-header__avatar:hover{background:var(--color-sky);color:#fff}.site-header__avatar svg{width:20px;height:20px}.site-nav__mobile-actions{display:none}.hamburger{border:2px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;background:0 0;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;margin-left:auto;padding:10px;display:none}.hamburger span{background:var(--color-text-strong);border-radius:3px;width:100%;height:3px;transition:transform .2s,opacity .2s;display:block}.hamburger[aria-expanded=true] span:first-child{transform:translateY(8px)rotate(45deg)}.hamburger[aria-expanded=true] span:nth-child(2){opacity:0}.hamburger[aria-expanded=true] span:nth-child(3){transform:translateY(-8px)rotate(-45deg)}.site-search{align-items:center;display:flex;position:relative}.site-search__input{border:2px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-bg-alt);width:220px;color:var(--color-text);padding:8px 38px 8px 14px;font-family:inherit;font-size:.9rem;transition:border-color .15s,width .2s}.site-search__input:focus{border-color:var(--color-sky);background:var(--color-bg);outline:none;width:260px}.site-search__btn{cursor:pointer;background:0 0;border:none;padding:4px;font-size:1rem;position:absolute;right:6px}.site-search__dropdown{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);width:340px;max-height:420px;box-shadow:var(--shadow-hover);z-index:200;position:absolute;top:calc(100% + 8px);right:0;overflow-y:auto}.site-search__status{padding:var(--space-4);text-align:center;color:var(--color-text-soft);font-size:14px}.site-search__result{padding:var(--space-3) var(--space-4);color:inherit;border-bottom:1px solid var(--color-border);transition:background var(--transition-fast);flex-direction:column;gap:2px;display:flex;text-decoration:none!important}.site-search__result:last-child{border-bottom:none}.site-search__result:hover{background:var(--color-bg-alt)}.site-search__result-ch{color:var(--color-sky);font-size:11px;font-weight:600}.site-search__result-title{color:var(--color-text-strong);font-size:14px;font-weight:600}.site-search__more{width:100%;padding:var(--space-3);text-align:center;color:var(--color-sky);border:none;border-top:1px solid var(--color-border);cursor:pointer;transition:background var(--transition-fast);background:0 0;font-family:inherit;font-size:13px;font-weight:600;display:block}.site-search__more:hover{background:var(--color-bg-alt)}.site-footer{background:var(--brand-navy);border-top:1px solid var(--color-border);margin-top:var(--space-8);padding:var(--space-6) 0;color:#ffffffd9;flex:1}[data-theme=dark] .site-footer{color:#fffc;background:#1c2333}.site-footer__inner{gap:var(--space-4) var(--space-8);grid-template-columns:2fr 1fr 1fr;align-items:start;display:grid}.site-footer__title{font-family:var(--font-display);color:#fff;margin:0 0 var(--space-2);font-size:1.1rem;font-weight:700}.site-footer__text{color:#ffffffa6;max-width:48ch;margin:0}[data-theme=dark] .site-footer__text{color:#ffffff8c}.site-footer__links{gap:var(--space-4);display:flex}@media (width>=641px){.site-footer__links{display:none}}.site-footer__credit{color:#ffffff80;font-size:.9rem}[data-theme=dark] .site-footer__credit{color:#ffffff73}.site-footer__credit p{margin:0 0 var(--space-1)}.site-footer__credit a{color:var(--color-mint);font-weight:600;text-decoration:none!important}.site-footer__credit a:hover{text-decoration:underline!important}.site-footer__copy{color:#fff6;margin:0;font-size:.875rem}[data-theme=dark] .site-footer__copy{color:#ffffff59}@media (width<=1100px){.site-header__inner{padding-top:var(--space-3);padding-bottom:var(--space-3);gap:var(--space-3)}.site-search,.site-header__actions,.site-nav,.site-nav__mobile-actions{display:none}.hamburger,.theme-toggle{display:flex}.site-header__right{margin-left:auto}.site-nav-backdrop{opacity:0;pointer-events:none;z-index:120;background:#0f172a73;transition:opacity .2s;position:fixed;inset:0}.site-nav-backdrop.is-visible{opacity:1;pointer-events:auto}.site-nav{background:var(--color-bg);border-left:2px solid var(--color-border);width:min(80vw,300px);padding:var(--space-5);gap:var(--space-2);box-shadow:var(--shadow-hover);visibility:hidden;z-index:130;flex-direction:column;padding-top:70px;transition:transform .25s,visibility 0s linear .25s;display:flex;position:fixed;top:0;bottom:0;right:0;overflow:hidden;transform:translate(100%)}.site-nav--open{visibility:visible;transition:transform .25s;transform:translate(0)}.site-nav__link{padding:var(--space-3);border-radius:var(--radius-sm);font-size:1.1rem}.site-nav__mobile-actions{gap:var(--space-2);padding-top:var(--space-4);border-top:2px dashed var(--color-border);flex-direction:column;margin-top:auto;display:flex}.site-nav__mobile-actions .btn{justify-content:center;width:100%}main.container{padding-bottom:90px}}@media (width<=640px){.site-footer__inner{text-align:center;grid-template-columns:1fr}.site-footer__links{align-items:center;gap:var(--space-2);flex-direction:column}.site-footer__credit{text-align:center}.site-footer{padding:var(--space-5) 0}}.layout{flex-direction:column;min-height:100vh;display:flex}.mobile-dock{display:none}.drawer-open .mobile-dock{display:none!important}@media (width<=768px){.mobile-dock{z-index:200;padding-bottom:env(safe-area-inset-bottom,0);background:linear-gradient(#0000 0%,#1f2a4a0f 100%);display:block;position:fixed;bottom:0;left:0;right:0}.mobile-dock__container{background:var(--color-bg);width:100%;max-width:none;height:56px;box-shadow:none;border-top:1px solid var(--color-border);border-radius:0;justify-content:space-evenly;align-items:center;margin:0;display:flex}[data-theme=dark] .mobile-dock__container{background:#1c2333;border-top-color:#ffffff1a}.mobile-dock__btn{height:56px;color:var(--color-text-soft);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;border-radius:0;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:6px 0;transition:all .25s;display:flex;position:relative;text-decoration:none!important}.mobile-dock__btn:before{content:"";background:var(--brand-teal,#0fa384);border-radius:0 0 3px 3px;width:24px;height:3px;transition:transform .25s;position:absolute;top:0;left:50%;transform:translate(-50%)scaleX(0)}.mobile-dock__btn:hover{color:var(--color-text-strong);background:var(--color-bg-alt)}[data-theme=dark] .mobile-dock__btn{color:#ffffffb3}[data-theme=dark] .mobile-dock__btn:hover{color:#fffffff2;background:#ffffff14}.mobile-dock__btn--active{color:var(--brand-teal)}[data-theme=dark] .mobile-dock__btn--active{color:#fff}.mobile-dock__btn--active:before{transform:translate(-50%)scaleX(1)}.mobile-dock__icon{justify-content:center;align-items:center;font-size:0;line-height:1;display:flex}.mobile-dock__icon svg{width:22px;height:22px}.mobile-dock__label{font-family:var(--font-display);white-space:nowrap;letter-spacing:.2px;margin-top:2px;font-size:.62rem;font-weight:600}}.hero{background:linear-gradient(180deg, var(--brand-mint-bg) 0%, var(--brand-mint-bg-2) 55%, var(--color-bg-alt) 100%);flex-direction:column;justify-content:center;width:100vw;min-height:100vh;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);padding:56px 0 48px;display:flex;position:relative;overflow:hidden}.hero-decor{pointer-events:none;opacity:.9;position:absolute}.hero .container{z-index:2;position:relative}.hero-grid{align-items:center;gap:var(--space-10,40px);flex:1;grid-template-columns:.85fr 1.15fr;align-content:center;display:grid}.hero-art{justify-content:center;align-items:center;display:flex;position:relative}.hero-art-ring{border:2.5px dashed var(--color-mint);border-radius:50%;width:320px;height:320px;position:absolute}.hero-art-blob{background:radial-gradient(circle at 35% 30%, var(--color-bg), var(--color-mint-soft) 70%);border-radius:50%;justify-content:center;align-items:flex-end;width:300px;height:300px;display:flex;overflow:hidden;box-shadow:inset 0 0 0 1px #0fa38414}.hero-copy{max-width:600px}.eyebrow{align-items:center;gap:var(--space-2);background:var(--color-bg);border:1px solid var(--color-mint-soft);color:var(--brand-teal-dark);margin-bottom:var(--space-4);box-shadow:var(--shadow-soft);border-radius:999px;padding:7px 14px;font-size:.85rem;font-weight:700;display:inline-flex}.hero-heading{color:var(--brand-navy);margin-bottom:var(--space-4);letter-spacing:.2px;font-size:2.6rem;font-weight:700;line-height:1.28}.hero-heading .accent{color:var(--brand-coral)}.hero-sub{color:var(--color-text-soft);max-width:520px;margin-bottom:var(--space-6);font-size:1.05rem;line-height:1.8}.hero-cta{gap:var(--space-3);flex-wrap:wrap;display:flex}.hero-cta .btn{border-radius:var(--radius-md);height:52px;padding:0 26px;font-size:1rem;text-decoration:none!important}.btn--solid-coral{background:linear-gradient(180deg, #f2765a, var(--brand-coral-dark));color:#fff;box-shadow:0 8px 18px -6px #e5573a8c}.btn--solid-coral:hover{transform:translateY(-1px);box-shadow:0 10px 22px -6px #e5573aa6}.btn--outline-teal{border:1.6px solid var(--color-mint);color:var(--brand-teal-dark);background:var(--color-bg)}.btn--outline-teal:hover{background:var(--brand-mint-bg)}.continue-wrap{z-index:2;margin-top:40px;position:relative}.continue-card{background:linear-gradient(135deg, var(--brand-cream), var(--brand-cream-2));border-radius:var(--radius-lg);align-items:center;gap:var(--space-6);flex-wrap:wrap;padding:24px 28px;display:flex;box-shadow:0 16px 34px -16px #e0a72a73}.continue-icon{background:var(--color-bg);border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;font-size:24px;display:flex;box-shadow:0 6px 14px -4px #0000001a}.continue-text{flex-shrink:0;min-width:210px}.continue-text h3{font-family:var(--font-display);margin-bottom:3px;font-size:1.1rem;font-weight:700}.continue-text p{color:var(--color-text-soft);margin:0;font-size:.85rem}.continue-progress{flex:1;min-width:240px}.continue-progress .chapter-label{font-family:var(--font-display);margin-bottom:9px;font-size:.95rem;font-weight:700}.progress-row{align-items:center;gap:var(--space-3);display:flex}.progress-track{background:var(--color-border);border-radius:999px;flex:1;height:9px;overflow:hidden}.progress-fill{background:linear-gradient(90deg,#ffb347,#ff9d3d);border-radius:999px;height:100%}.progress-pct{font-family:var(--font-display);color:var(--color-text);white-space:nowrap;margin:0;font-size:.9rem;font-weight:700}.continue-cta{color:#5c4400;background:#ffca4d;border-radius:12px;flex-shrink:0;align-items:center;gap:6px;height:46px;padding:0 22px;font-size:.95rem;font-weight:700;display:inline-flex;box-shadow:0 8px 18px -6px #ffca4db3;text-decoration:none!important}.continue-cta:hover{transform:translateY(-1px);text-decoration:none!important}.chapters-section{padding:56px 0 80px}.section-head{margin-bottom:var(--space-6);justify-content:space-between;align-items:flex-end;display:flex}.section-head 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