@import"https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap";:root{--primary-color: #2563EB;--primary-dark: #1E40AF;--accent-color: #F97316;--white: #ffffff;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-500: #64748b;--gray-900: #0f172a;--pastel-pink: rgba(251, 207, 232, .38);--pastel-blue: rgba(191, 219, 254, .36);--pastel-green: rgba(187, 247, 208, .32);--pastel-amber: rgba(253, 230, 138, .28);--font-heading: "Times New Roman", "Noto Serif", serif;--font-body: "Poppins", "Noto Sans Bengali", sans-serif;--font-professional: "Georgia", "Times New Roman", serif;--font-modern: "Roboto", "Helvetica", sans-serif;--font-elegant: "Playfair Display", "Merriweather", serif;--font-official: "Times New Roman", "Georgia", serif;--font-bangla: "Hind Siliguri", "Noto Serif Bengali", "SolaimanLipi", sans-serif;--font-bangla-serif: "Noto Serif Bengali", "Kalpurush", serif;--font-size-base: 16px;--line-height-base: 1.6;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden;width:100%}body{font-family:var(--font-body);font-size:var(--font-size-base);line-height:var(--line-height-base);color:var(--gray-900);background-color:#fff;background-image:none;background-attachment:scroll;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;width:100%}app-root{display:block;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md)}a{color:var(--primary-color);text-decoration:none;transition:var(--transition)}body.learning-lab{overflow:hidden}a:hover{color:var(--primary-dark)}.wrap{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}@media(min-width:768px){.wrap{padding:0 var(--spacing-lg)}}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}@media(min-width:768px){.container{padding:0 var(--spacing-lg)}}.header{background:var(--white);border-bottom:1px solid var(--gray-100);box-shadow:var(--shadow-sm)}.brand-bar{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) 0}.brand{display:flex;align-items:center;gap:var(--spacing-md);text-decoration:none;color:var(--gray-900)}.brand img{width:48px;height:48px;object-fit:contain}.btext strong{font-family:var(--font-heading);font-weight:800;font-size:1.25rem;display:block}.btext span{color:var(--gray-500);font-size:.875rem}.navbar-main{background:var(--white);border-top:1px solid var(--gray-100)}.navbar-nav{display:flex;list-style:none;margin:0;padding:0;gap:var(--spacing-sm)}.nav-item{position:relative}.nav-link{display:flex;align-items:center;padding:var(--spacing-sm) var(--spacing-md);color:var(--gray-900);font-weight:500;border-radius:var(--radius-md);transition:var(--transition)}.nav-link:hover{background-color:var(--gray-50);color:var(--primary-color)}.dropdown-menu{position:absolute;top:100%;left:0;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:200px;z-index:1000;opacity:0;visibility:hidden;transform:translateY(-10px);transition:var(--transition)}.dropdown-menu.show{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-item{display:block;padding:var(--spacing-sm) var(--spacing-md);color:var(--gray-900);text-decoration:none;transition:var(--transition)}.dropdown-item:hover{background-color:var(--gray-50);color:var(--primary-color)}.floating-menu-toggle{position:fixed;bottom:var(--spacing-lg);right:var(--spacing-lg);width:56px;height:56px;background:var(--primary-color);border:none;border-radius:50%;color:var(--white);font-size:1.25rem;cursor:pointer;box-shadow:var(--shadow-lg);z-index:1000;transition:var(--transition)}.floating-menu-toggle:hover{background:var(--primary-dark);transform:scale(1.05)}.footer{background:var(--gray-900);color:var(--gray-500);padding:var(--spacing-xl) 0;text-align:center}.footer a{color:var(--gray-500)}.footer a:hover{color:var(--white)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.d-none{display:none}.d-block{display:block}.d-flex{display:flex}.d-grid{display:grid}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.align-center{align-items:center}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.mb-0{margin-bottom:0}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mt-0{margin-top:0}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.p-sm{padding:var(--spacing-sm)}.p-md{padding:var(--spacing-md)}.p-lg{padding:var(--spacing-lg)}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.gap-4{gap:var(--spacing-lg)}.justify-items-center{justify-items:center}.footer-content{display:flex;justify-content:center;align-items:center;padding:var(--spacing-lg) 0}.footer-section{text-align:center}@media(max-width:768px){.grid-cols-2{grid-template-columns:1fr}.brand-bar{flex-direction:column;gap:var(--spacing-sm);text-align:center}.navbar-nav{flex-direction:column;gap:0}.nav-link{padding:var(--spacing-md);border-bottom:1px solid var(--gray-100)}}input,textarea,select{font-size:16px!important;transform:scale(1)!important;-webkit-transform:scale(1)!important;-webkit-text-size-adjust:100%!important}@media(max-width:768px){input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],input[type=url],input[type=search],textarea,select{font-size:16px!important;min-height:44px!important;line-height:1.4!important;appearance:none!important;border-radius:8px!important}input:focus,textarea:focus,select:focus{font-size:16px!important;transform:scale(1)!important;-webkit-transform:scale(1)!important}@supports (-webkit-touch-callout: none){input,textarea,select{font-size:16px!important;-webkit-text-size-adjust:100%!important}}}