:root{
  --theme-primary:#3b82f6;
  --theme-secondary:#60a5fa;
  --theme-accent:#facc15;
  --theme-body-bg:#111827;
  --theme-section-bg:linear-gradient(135deg,#111827 0%,#1a2235 100%);
  --theme-section-alt-bg:#1a2235;
  --theme-card-bg:#1f2d3d;
  --theme-card-border:rgba(59,130,246,0.28);
  --theme-text:#e5e7eb;
  --theme-muted:#9ca3af;
  --theme-heading:#ffffff;
  --theme-link:#60a5fa;
  --theme-button-bg:#3b82f6;
  --theme-button-text:#ffffff;
  --theme-button-border:rgba(59,130,246,0.45);
  --primary:#3b82f6;
  --secondary:#60a5fa;
  --accent:#facc15;
  --bg-light:#111827;
  --bg-dark:#0f172a;
  --bg-white:#1a2235;
  --background:#111827;
  --surface:#1a2235;
  --divider:rgba(59,130,246,0.22);
  --text-dark:#e5e7eb;
  --text-light:#ffffff;
  --text-muted:#9ca3af;
  --text-muted-light:#9ca3af;
  --orange:#facc15;
  --blue:#3b82f6;
  --gold:#facc15;
  --yellow:#facc15;
  --dark:#0f172a;
  --dark2:#1a2235;
  --dark3:rgba(59,130,246,0.28);
  --light:#1a2235;
  --muted:#9ca3af;
  --text-muted-custom:#9ca3af;
  --card-bg:#1f2d3d;
  --card-border:rgba(59,130,246,0.28);
  --paper:#111827;
  --beige:linear-gradient(135deg,#111827 0%,#1a2235 100%);
  --light-brown:#1a2235;
  --card:#1f2d3d;
  --border:rgba(59,130,246,0.28);
  --text:#e5e7eb;
  --generated-accent:#3b82f6;
  --generated-accent-2:#facc15;
  --generated-heading:#ffffff;
  --generated-text:#e5e7eb;
  --generated-muted:#9ca3af;
  --generated-page-bg:#111827;
  --generated-surface:#1a2235;
  --generated-card:#1f2d3d;
  --generated-border:rgba(59,130,246,0.28);
  --generated-section-bg:linear-gradient(135deg,#111827 0%,#1a2235 100%);
  --generated-section-alt-bg:#1a2235;
  --generated-button-bg:#3b82f6;
  --generated-button-text:#ffffff;
  --generated-button-border:rgba(59,130,246,0.45);
  --generated-accent-text:#ffffff;
  --author-box-bg:linear-gradient(90deg,#111827,#1a2235,#111827);
  --author-card-bg:#1f2d3d;
  --author-box-border:rgba(59,130,246,0.35);
  --author-label-color:#facc15;
  --author-name-color:#ffffff;
  --author-role-color:#60a5fa;
  --author-text-color:#e5e7eb;
  --author-avatar-bg:rgba(26,34,53,0.96);
  --author-avatar-border:#3b82f6;
  --author-chip-bg:rgba(59,130,246,0.14);
  --author-chip-border:rgba(59,130,246,0.32);
  --author-chip-text:#e5e7eb;
  --author-link-bg:#3b82f6;
  --author-link-text:#ffffff;
  --generated-floating-bg:rgba(15,23,42,0.55);
  --generated-floating-border:rgba(255,255,255,0.16);
  --generated-register-bg:#22c55e;
  --generated-register-text:#ffffff;
  --generated-login-bg:#facc15;
  --generated-login-text:#0f172a;
  --chrome-header-bg:linear-gradient(90deg,#0f172a 0%,#1a2235 50%,#0f172a 100%);
  --chrome-header-border:rgba(59,130,246,0.30);
  --chrome-header-link:#e5e7eb;
  --chrome-header-link-hover:#facc15;
  --chrome-header-active-bg:rgba(59,130,246,0.22);
  --chrome-header-active-text:#ffffff;
  --chrome-footer-bg:linear-gradient(90deg,#0f172a 0%,#1a2235 100%);
  --chrome-footer-text:#e5e7eb;
  --chrome-footer-link:#60a5fa;
  --chrome-footer-link-hover:#facc15;
  --chrome-footer-heading:#facc15;
  --chrome-footer-border:rgba(59,130,246,0.28);
  --ue-radius-card:14px;
  --ue-radius-btn:9px;
  --ue-radius-input:8px;
  --ue-shadow-sm:0 2px 8px rgba(0,0,0,0.35);
  --ue-shadow-md:0 8px 24px rgba(0,0,0,0.40);
  --ue-shadow-lg:0 16px 40px rgba(0,0,0,0.50);
  --ue-shadow-blue:0 6px 20px rgba(59,130,246,0.35);
  --ue-shadow-gold:0 6px 20px rgba(250,204,21,0.30);
  --ue-ease:cubic-bezier(0.4,0,0.2,1);
}

html{
  scrollbar-width:thin;
  scrollbar-color:#3b82f6 #0f172a;
}

html::-webkit-scrollbar{
  width:10px;
  height:10px;
}

html::-webkit-scrollbar-track{
  background:#0f172a;
}

html::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,#3b82f6,#1d4ed8);
  border-radius:50px;
  border:2px solid #0f172a;
}

html::-webkit-scrollbar-thumb:hover{
  background:linear-gradient(180deg,#60a5fa,#3b82f6);
}

body{
  font-family:'Poppins','Noto Sans Bengali','Hind Siliguri','SolaimanLipi',system-ui,-apple-system,sans-serif;
  background:
    radial-gradient(circle at 15% 15%,rgba(59,130,246,0.10) 0%,transparent 45%),
    radial-gradient(circle at 85% 80%,rgba(250,204,21,0.06) 0%,transparent 40%),
    radial-gradient(circle at 50% 50%,rgba(96,165,250,0.05) 0%,transparent 60%),
    #111827;
  background-attachment:fixed;
  color:#e5e7eb;
  line-height:1.75;
  letter-spacing:0.005em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

:lang(bn),[lang="bn"],[lang="bn-BD"]{
  font-family:'Noto Sans Bengali','Hind Siliguri','SolaimanLipi','Poppins',sans-serif;
  line-height:1.8;
  letter-spacing:0;
}

:lang(bn) p,:lang(bn) li,:lang(bn) span{
  line-height:1.75;
}

h1,h2,h3,h4,h5,h6{
  font-family:'Poppins','Noto Sans Bengali','Hind Siliguri',sans-serif;
  color:#ffffff;
  letter-spacing:-0.01em;
}

.navbar{
  background:var(--chrome-header-bg);
  box-shadow:0 4px 20px rgba(0,0,0,0.40),inset 0 -1px 0 rgba(59,130,246,0.25);
  backdrop-filter:saturate(140%) blur(8px);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
}

.navbar-brand img{
  filter:drop-shadow(0 2px 8px rgba(59,130,246,0.45));
}

.navbar-nav .nav-link{
  color:#e5e7eb;
  font-weight:600;
  border-radius:9px;
  transition:color 0.3s var(--ue-ease),background 0.3s var(--ue-ease),transform 0.3s var(--ue-ease),box-shadow 0.3s var(--ue-ease);
}

.navbar-nav .nav-link:hover{
  color:#facc15;
  background:rgba(59,130,246,0.18);
  transform:translateY(-2px);
  box-shadow:0 4px 14px rgba(59,130,246,0.30);
}

.navbar-nav .nav-link.active{
  color:#ffffff;
  background:rgba(59,130,246,0.28);
  box-shadow:0 4px 14px rgba(59,130,246,0.35);
}

.navbar-toggler{
  border-color:rgba(96,165,250,0.5);
  border-radius:8px;
  transition:border-color 0.3s var(--ue-ease),box-shadow 0.3s var(--ue-ease);
}

.navbar-toggler:hover{
  border-color:#facc15;
  box-shadow:0 0 0 3px rgba(250,204,21,0.20);
}

section{
  padding-top:72px;
  padding-bottom:72px;
}

@media (min-width:992px){
  section{padding-top:84px;padding-bottom:84px;}
}

.hero-section{
  background:
    radial-gradient(ellipse at 50% 0%,rgba(59,130,246,0.18) 0%,transparent 55%),
    radial-gradient(circle at 80% 30%,rgba(250,204,21,0.08) 0%,transparent 40%);
}

.content-section{
  background:var(--theme-section-alt-bg);
}

.faq-section{
  background:linear-gradient(180deg,#111827 0%,#0f172a 100%);
}

.section-title{
  color:#ffffff;
  font-weight:700;
  letter-spacing:-0.015em;
  text-shadow:0 2px 12px rgba(59,130,246,0.25);
}

.feature-card,.testimonial-card,.card{
  background:linear-gradient(145deg,#1f2d3d 0%,#1a2235 100%);
  border:1px solid rgba(59,130,246,0.22);
  border-radius:var(--ue-radius-card);
  padding:22px;
  box-shadow:var(--ue-shadow-sm);
  transition:transform 0.3s var(--ue-ease),box-shadow 0.3s var(--ue-ease),border-color 0.3s var(--ue-ease);
  position:relative;
  overflow:hidden;
}

.feature-card::before,.testimonial-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,#3b82f6,transparent);
  opacity:0;
  transition:opacity 0.35s var(--ue-ease);
}

.feature-card:hover,.testimonial-card:hover,.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--ue-shadow-lg),0 0 0 1px rgba(59,130,246,0.35);
  border-color:rgba(59,130,246,0.55);
}

.feature-card:hover::before,.testimonial-card:hover::before{
  opacity:1;
}

.btn,.btn-custom,.site-btn{
  border-radius:var(--ue-radius-btn);
  font-weight:600;
  letter-spacing:0.01em;
  transition:transform 0.3s var(--ue-ease),box-shadow 0.3s var(--ue-ease),background 0.3s var(--ue-ease),color 0.3s var(--ue-ease),border-color 0.3s var(--ue-ease);
}

.btn-primary,.btn-custom{
  background:linear-gradient(135deg,#3b82f6 0%,#1d4ed8 100%);
  border:1px solid rgba(59,130,246,0.55);
  color:#ffffff;
  box-shadow:0 4px 14px rgba(59,130,246,0.35),inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn-primary:hover,.btn-custom:hover{
  transform:translateY(-2px) scale(1.025);
  box-shadow:0 10px 26px rgba(59,130,246,0.55),0 0 0 1px rgba(96,165,250,0.5),inset 0 1px 0 rgba(255,255,255,0.2);
  background:linear-gradient(135deg,#60a5fa 0%,#3b82f6 100%);
}

.btn-outline-primary,.btn-outline-light{
  border-radius:var(--ue-radius-btn);
  transition:transform 0.3s var(--ue-ease),box-shadow 0.3s var(--ue-ease),background 0.3s var(--ue-ease),color 0.3s var(--ue-ease);
}

.btn-outline-primary{
  border-color:rgba(59,130,246,0.6);
  color:#60a5fa;
}

.btn-outline-primary:hover{
  transform:translateY(-2px) scale(1.02);
  background:rgba(59,130,246,0.15);
  box-shadow:0 6px 18px rgba(59,130,246,0.30);
  color:#ffffff;
}

.btn-outline-light:hover{
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 6px 18px rgba(255,255,255,0.18);
}

.cta-register,.btn-primary-green{
  background:linear-gradient(135deg,#22c55e 0%,#15803d 100%);
  border:1px solid rgba(34,197,94,0.55);
  color:#ffffff;
  box-shadow:0 4px 14px rgba(34,197,94,0.35),inset 0 1px 0 rgba(255,255,255,0.15);
}

.cta-register:hover,.btn-primary-green:hover{
  transform:translateY(-2px) scale(1.025);
  box-shadow:0 10px 26px rgba(34,197,94,0.55);
  background:linear-gradient(135deg,#4ade80 0%,#22c55e 100%);
}

.cta-login,.btn-primary-red{
  background:linear-gradient(135deg,#facc15 0%,#eab308 100%);
  border:1px solid rgba(250,204,21,0.55);
  color:#0f172a;
  font-weight:700;
  box-shadow:0 4px 14px rgba(250,204,21,0.35),inset 0 1px 0 rgba(255,255,255,0.25);
}

.cta-login:hover,.btn-primary-red:hover{
  transform:translateY(-2px) scale(1.025);
  box-shadow:0 10px 26px rgba(250,204,21,0.55);
  background:linear-gradient(135deg,#fde047 0%,#facc15 100%);
}

.btn-outline-red,.btn-outline-green{
  border-radius:var(--ue-radius-btn);
  transition:transform 0.3s var(--ue-ease),box-shadow 0.3s var(--ue-ease),background 0.3s var(--ue-ease);
}

.btn-outline-red:hover,.btn-outline-green:hover{
  transform:translateY(-2px) scale(1.02);
}

a{
  color:#60a5fa;
  transition:color 0.25s var(--ue-ease);
}

a:hover{
  color:#facc15;
}

footer{
  background:var(--chrome-footer-bg);
  box-shadow:0 -8px 30px rgba(0,0,0,0.35),inset 0 1px 0 rgba(59,130,246,0.22);
}

footer a{
  color:#60a5fa;
  transition:color 0.3s var(--ue-ease),text-shadow 0.3s var(--ue-ease);
}

footer a:hover{
  color:#facc15;
  text-shadow:0 0 12px rgba(250,204,21,0.45);
}

.footer-links a{
  color:#9ca3af;
  transition:color 0.3s var(--ue-ease),transform 0.3s var(--ue-ease);
}

.footer-links a:hover{
  color:#facc15;
  transform:translateX(3px);
}

.author-box{
  background:var(--author-box-bg);
  border:1px solid rgba(59,130,246,0.30);
  border-radius:var(--ue-radius-card);
  box-shadow:var(--ue-shadow-md);
}

.author-card{
  background:var(--author-card-bg);
  border:1px solid rgba(59,130,246,0.25);
  border-radius:var(--ue-radius-card);
  box-shadow:var(--ue-shadow-sm);
  transition:transform 0.3s var(--ue-ease),box-shadow 0.3s var(--ue-ease);
}

.author-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--ue-shadow-lg);
}

.bd-hot-links a{
  color:#9ca3af;
  border-radius:8px;
  transition:color 0.3s var(--ue-ease),background 0.3s var(--ue-ease),transform 0.3s var(--ue-ease);
}

.bd-hot-links a:hover{
  color:#facc15;
  background:rgba(59,130,246,0.12);
  transform:translateX(4px);
}

.form-control,.form-select,input,textarea,select{
  background:#0f172a;
  border:1px solid rgba(59,130,246,0.30);
  color:#e5e7eb;
  border-radius:var(--ue-radius-input);
  transition:border-color 0.3s var(--ue-ease),box-shadow 0.3s var(--ue-ease),background 0.3s var(--ue-ease);
}

.form-control:focus,.form-select:focus,input:focus,textarea:focus,select:focus{
  border-color:#3b82f6;
  box-shadow:0 0 0 3px rgba(59,130,246,0.22);
  background:#0f172a;
  color:#ffffff;
  outline:none;
}

.form-control::placeholder,textarea::placeholder{
  color:#6b7280;
}

.accordion-button,.accordion-item{
  background:#1a2235;
  color:#e5e7eb;
  border-radius:var(--ue-radius-card);
}

.accordion-button{
  color:#ffffff;
  font-weight:600;
  transition:background 0.3s var(--ue-ease),color 0.3s var(--ue-ease),box-shadow 0.3s var(--ue-ease);
}

.accordion-button:not(.collapsed){
  background:rgba(59,130,246,0.18);
  color:#facc15;
  box-shadow:inset 0 -1px 0 rgba(59,130,246,0.25);
}

.accordion-button:focus{
  box-shadow:0 0 0 3px rgba(59,130,246,0.20);
  border-color:#3b82f6;
}

.accordion-body{
  color:#9ca3af;
  line-height:1.75;
}

.badge{
  border-radius:8px;
  font-weight:600;
}

.text-warning,.text-gold{
  color:#facc15;
  text-shadow:0 0 14px rgba(250,204,21,0.35),0 1px 2px rgba(0,0,0,0.4);
}

.text-primary,.text-blue{
  color:#60a5fa;
}

.text-muted{
  color:#9ca3af;
}

hr,.dropdown-divider{
  border-color:rgba(59,130,246,0.18);
  opacity:1;
}

.list-group-item{
  background:#1a2235;
  border-color:rgba(59,130,246,0.18);
  color:#e5e7eb;
  transition:background 0.3s var(--ue-ease),color 0.3s var(--ue-ease);
}

.list-group-item:hover{
  background:#1f2d3d;
  color:#facc15;
}

.table{
  color:#e5e7eb;
  border-color:rgba(59,130,246,0.18);
}

.table thead th{
  background:#1a2235;
  color:#facc15;
  border-color:rgba(59,130,246,0.25);
}

.table-striped tbody tr:nth-of-type(odd){
  background:rgba(59,130,246,0.05);
}

.table-hover tbody tr:hover{
  background:rgba(59,130,246,0.12);
  color:#ffffff;
}

.modal-content{
  background:#1a2235;
  border:1px solid rgba(59,130,246,0.30);
  border-radius:var(--ue-radius-card);
  box-shadow:var(--ue-shadow-lg);
}

.modal-header,.modal-footer{
  border-color:rgba(59,130,246,0.22);
}

.modal-title{
  color:#ffffff;
}

.btn-close{
  filter:invert(1) grayscale(100%) brightness(200%);
  opacity:0.7;
  transition:opacity 0.3s var(--ue-ease),transform 0.3s var(--ue-ease);
}

.btn-close:hover{
  opacity:1;
  transform:rotate(90deg);
}

.page-link{
  background:#1a2235;
  border-color:rgba(59,130,246,0.25);
  color:#60a5fa;
  border-radius:8px;
  margin:0 2px;
  transition:background 0.3s var(--ue-ease),color 0.3s var(--ue-ease),transform 0.3s var(--ue-ease);
}

.page-link:hover{
  background:rgba(59,130,246,0.20);
  color:#facc15;
  transform:translateY(-1px);
}

.page-item.active .page-link{
  background:linear-gradient(135deg,#3b82f6,#1d4ed8);
  border-color:#3b82f6;
  color:#ffffff;
}

.breadcrumb{
  background:transparent;
}

.breadcrumb-item a{
  color:#60a5fa;
}

.breadcrumb-item.active{
  color:#9ca3af;
}

.alert{
  border-radius:var(--ue-radius-card);
  border-width:1px;
}

.alert-info{
  background:rgba(59,130,246,0.12);
  border-color:rgba(59,130,246,0.35);
  color:#60a5fa;
}

.alert-success{
  background:rgba(34,197,94,0.12);
  border-color:rgba(34,197,94,0.35);
  color:#4ade80;
}

.alert-warning{
  background:rgba(250,204,21,0.12);
  border-color:rgba(250,204,21,0.35);
  color:#facc15;
}

.alert-danger{
  background:rgba(239,68,68,0.12);
  border-color:rgba(239,68,68,0.35);
  color:#f87171;
}

.progress{
  background:#0f172a;
  border-radius:50px;
  height:8px;
}

.progress-bar{
  background:linear-gradient(90deg,#3b82f6,#60a5fa);
  border-radius:50px;
}

.dropdown-menu{
  background:#1a2235;
  border:1px solid rgba(59,130,246,0.28);
  border-radius:var(--ue-radius-card);
  box-shadow:var(--ue-shadow-lg);
  padding:6px;
}

.dropdown-item{
  color:#e5e7eb;
  border-radius:8px;
  transition:background 0.25s var(--ue-ease),color 0.25s var(--ue-ease),transform 0.25s var(--ue-ease);
}

.dropdown-item:hover,.dropdown-item:focus{
  background:rgba(59,130,246,0.20);
  color:#facc15;
  transform:translateX(2px);
}

.dropdown-divider{
  border-color:rgba(59,130,246,0.18);
}

.dropdown-toggle::after{
  transition:transform 0.3s var(--ue-ease);
}

.show .dropdown-toggle::after{
  transform:rotate(180deg);
}

.nav-tabs{
  border-bottom-color:rgba(59,130,246,0.22);
}

.nav-tabs .nav-link{
  color:#9ca3af;
  border-radius:8px 8px 0 0;
  transition:color 0.3s var(--ue-ease),background 0.3s var(--ue-ease),border-color 0.3s var(--ue-ease);
}

.nav-tabs .nav-link:hover{
  color:#facc15;
  border-color:transparent;
  background:rgba(59,130,246,0.10);
}

.nav-tabs .nav-link.active{
  background:#1f2d3d;
  color:#ffffff;
  border-color:rgba(59,130,246,0.30);
  border-bottom-color:#1f2d3d;
}

.nav-pills .nav-link{
  color:#9ca3af;
  border-radius:9px;
  transition:background 0.3s var(--ue-ease),color 0.3s var(--ue-ease),transform 0.3s var(--ue-ease);
}

.nav-pills .nav-link.active{
  background:linear-gradient(135deg,#3b82f6,#1d4ed8);
  color:#ffffff;
  box-shadow:0 4px 14px rgba(59,130,246,0.35);
}

blockquote{
  border-left:3px solid #3b82f6;
  background:rgba(59,130,246,0.06);
  padding:14px 18px;
  border-radius:0 var(--ue-radius-card) var(--ue-radius-card) 0;
  color:#d1d5db;
}

code,pre{
  background:#0f172a;
  color:#60a5fa;
  border-radius:8px;
  border:1px solid rgba(59,130,246,0.18);
}

pre{
  padding:14px;
}

code{
  padding:2px 6px;
  font-size:0.9em;
}

img{
  border-radius:var(--ue-radius-card);
}

.rounded{
  border-radius:var(--ue-radius-card);
}

.rounded-pill{
  border-radius:50rem;
}

.shadow{
  box-shadow:var(--ue-shadow-md);
}

.shadow-sm{
  box-shadow:var(--ue-shadow-sm);
}

.shadow-lg{
  box-shadow:var(--ue-shadow-lg);
}

.border{
  border-color:rgba(59,130,246,0.22);
}

.bg-light,.bg-white,.bg-paper{
  background:#1a2235;
}

.bg-dark{
  background:#0f172a;
}

.text-dark{
  color:#e5e7eb;
}

.text-light,.text-white{
  color:#ffffff;
}

.text-secondary{
  color:#60a5fa;
}

.text-success{
  color:#4ade80;
}

.text-danger{
  color:#f87171;
}

.text-info{
  color:#60a5fa;
}

.faq-section .accordion-item{
  margin-bottom:12px;
  border:1px solid rgba(59,130,246,0.22);
}

.faq-section .accordion-button{
  padding:16px 20px;
}

::-webkit-scrollbar{
  width:10px;
  height:10px;
}

::-webkit-scrollbar-track{
  background:#0f172a;
}

::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,#3b82f6,#1d4ed8);
  border-radius:50px;
  border:2px solid #0f172a;
}

::-webkit-scrollbar-thumb:hover{
  background:linear-gradient(180deg,#60a5fa,#3b82f6);
}

::selection{
  background:rgba(59,130,246,0.35);
  color:#ffffff;
}

::-moz-selection{
  background:rgba(59,130,246,0.35);
  color:#ffffff;
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:0.01ms;
    animation-duration:0.01ms;
  }
}