/* ==========================================================================
   BK99 Bangladesh Official iGaming Stylesheet - 2026 Production
   Design DNA: ubx8 | Bento-Mosaic | Ticket-Notch Cards | Airy Density
   Fonts: Playfair Display + Lato | Palette: Teal-Cyan & Clean Crisp Slate
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,300;0,400;0,700;0,900;1,400&family=Playfair+Display:ital,wght@0,600;0,800;0,900;1,600&display=swap');

:root {
  --ubx8-bg: #F2F5F7;
  --ubx8-surface: #FFFFFF;
  --ubx8-surface-subtle: #E8EEF1;
  --ubx8-ink: #16323B;
  --ubx8-ink-light: #2C4A54;
  --ubx8-text-muted: #57707A;
  --ubx8-accent: #24768F;
  --ubx8-accent-hover: #1b5a6e;
  --ubx8-accent2: #3299B9;
  --ubx8-on-accent: #FFFFFF;
  --ubx8-gold: #d97706;
  --ubx8-green: #059669;
  --ubx8-border: #D1DDE2;
  --ubx8-border-strong: #B4C7CE;
  
  --ubx8-font-heading: 'Playfair Display', Georgia, serif;
  --ubx8-font-body: 'Lato', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --ubx8-base-size: 18px;
  --ubx8-scale: 1.333;
  --ubx8-max-width: 1240px;
  
  --ubx8-radius-sm: 4px;
  --ubx8-radius-md: 8px;
  --ubx8-radius-lg: 14px;
  
  --ubx8-shadow-sm: 0 1px 3px rgba(22, 50, 59, 0.08);
  --ubx8-shadow-md: 0 4px 12px rgba(22, 50, 59, 0.08);
  --ubx8-shadow-lg: 0 12px 24px -4px rgba(22, 50, 59, 0.12);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--ubx8-bg);
  color: var(--ubx8-ink);
  font-family: var(--ubx8-font-body);
  font-size: var(--ubx8-base-size);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 75px;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ubx8-font-heading);
  color: var(--ubx8-ink);
  line-height: 1.25;
  margin-bottom: 0.8rem;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.35rem; font-weight: 800; }
h2 { font-size: 1.75rem; font-weight: 700; margin-top: 1.8rem; }
h3 { font-size: 1.35rem; font-weight: 700; margin-top: 1.4rem; }
h4 { font-size: 1.15rem; font-weight: 600; }

p {
  margin-bottom: 1.1rem;
}

a {
  color: var(--ubx8-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--ubx8-accent-hover);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   Header & Sticky Top Bar Navigation
   ========================================================================== */
.ubx8-bar,
.ubx8-site-header {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--ubx8-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(22, 50, 59, 0.06);
  width: 100%;
}

.ubx8-bar-container,
.ubx8-header-container {
  max-width: var(--ubx8-max-width);
  margin: 0 auto;
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.ubx8-logo-group,
.ubx8-logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  text-decoration: none !important;
}

.ubx8-logo,
.ubx8-footer-logo {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
}

.ubx8-logo img,
.ubx8-logo-wrapper img {
  height: 42px;
  width: auto;
  max-width: 90px;
  object-fit: contain;
  display: block;
}

.ubx8-footer-logo img {
  height: 48px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  display: block;
}

.ubx8-brand-text {
  font-family: var(--ubx8-font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ubx8-accent);
  letter-spacing: -0.5px;
  white-space: nowrap;
}

/* Horizontal Main Navigation Menu */
.ubx8-main-menu,
.ubx8-main-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

.ubx8-main-menu li {
  list-style: none;
  margin: 0;
  padding: 0;
  display: inline-flex;
}

.ubx8-main-menu li a,
.ubx8-nav-link {
  color: var(--ubx8-ink-light);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.45rem 0.65rem;
  border-radius: var(--ubx8-radius-sm);
  transition: all 0.2s ease;
  white-space: nowrap;
  display: inline-block;
  text-decoration: none !important;
}

.ubx8-main-menu li a:hover,
.ubx8-main-menu li a.ubx8-active,
.ubx8-nav-link:hover,
.ubx8-nav-link.ubx8-active {
  color: var(--ubx8-accent);
  background-color: var(--ubx8-surface-subtle);
  text-decoration: none;
}

.ubx8-bar-actions,
.ubx8-header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.ubx8-hero-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}

.ubx8-bento-container {
  max-width: var(--ubx8-max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}

/* Buttons */
.ubx8-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.3rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--ubx8-radius-md);
  text-decoration: none !important;
  transition: all 0.2s ease;
  white-space: nowrap;
  box-shadow: var(--ubx8-shadow-sm);
}

.ubx8-btn-login {
  background-color: transparent;
  color: var(--ubx8-accent);
  border: 2px solid var(--ubx8-accent);
}

.ubx8-btn-login:hover {
  background-color: var(--ubx8-accent);
  color: #fff;
}

.ubx8-btn-register {
  background: linear-gradient(135deg, var(--ubx8-accent) 0%, var(--ubx8-accent2) 100%);
  color: #fff;
  border: none;
}

.ubx8-btn-register:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: var(--ubx8-shadow-md);
}

.ubx8-btn-cta-gold {
  background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
  color: #fff !important;
  border: none;
  padding: 0.85rem 1.8rem;
  font-size: 1.05rem;
}

.ubx8-btn-cta-gold:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(217, 119, 6, 0.3);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.ubx8-hero {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--ubx8-bg) 100%);
  border-bottom: 1px solid var(--ubx8-border);
  padding: 2.8rem 1.2rem;
}

.ubx8-hero-container {
  max-width: var(--ubx8-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 2.5rem;
}

.ubx8-hero-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ubx8-hero-badge {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--ubx8-surface-subtle);
  color: var(--ubx8-accent);
  border: 1px solid var(--ubx8-border-strong);
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ubx8-hero-trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ubx8-border);
}

.ubx8-trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ubx8-ink-light);
}

.ubx8-trust-icon {
  color: var(--ubx8-green);
  font-weight: 900;
}

.ubx8-hero-media img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--ubx8-radius-lg);
  box-shadow: var(--ubx8-shadow-lg);
  border: 1px solid var(--ubx8-border);
}

/* ==========================================================================
   Payment Trust Bar
   ========================================================================== */
.ubx8-payment-bar {
  background-color: var(--ubx8-surface);
  border-bottom: 1px solid var(--ubx8-border);
  padding: 1rem 1.2rem;
}

.ubx8-payment-container {
  max-width: var(--ubx8-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.ubx8-payment-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ubx8-accent);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.ubx8-payment-badges {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.ubx8-payment-badge-img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

/* ==========================================================================
   Main Content Layout (Bento & Sidebar)
   ========================================================================== */
.ubx8-content-wrapper {
  max-width: var(--ubx8-max-width);
  margin: 2rem auto;
  padding: 0 1.2rem;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.2rem;
  align-items: start;
}

.ubx8-breadcrumbs {
  grid-column: 1 / -1;
  font-size: 0.85rem;
  color: var(--ubx8-text-muted);
  margin-bottom: 0.5rem;
}

.ubx8-breadcrumbs a {
  color: var(--ubx8-accent);
}

.ubx8-breadcrumbs span {
  margin: 0 0.35rem;
  color: var(--ubx8-border-strong);
}

.ubx8-breadcrumbs .ubx8-current {
  color: var(--ubx8-ink);
  font-weight: 700;
}

.ubx8-article-body {
  background-color: var(--ubx8-surface);
  padding: 2.5rem;
  border-radius: var(--ubx8-radius-lg);
  border: 1px solid var(--ubx8-border);
  box-shadow: var(--ubx8-shadow-sm);
}

/* Design DNA: Ticket-Notch Card Shape */
.ubx8-ticket-notch {
  position: relative;
  background: var(--ubx8-surface);
  border: 1px solid var(--ubx8-border);
  clip-path: polygon(
    0 12px, 12px 0,
    calc(100% - 12px) 0, 100% 12px,
    100% calc(100% - 12px), calc(100% - 12px) 100%,
    12px 100%, 0 calc(100% - 12px)
  );
  padding: 1.8rem;
  margin-bottom: 1.8rem;
  box-shadow: var(--ubx8-shadow-sm);
}

/* Answer Capsule for Generative AI Discovery & PAA */
.ubx8-answer-capsule {
  background: linear-gradient(135deg, rgba(36, 118, 143, 0.06) 0%, rgba(50, 153, 185, 0.08) 100%);
  border-left: 4px solid var(--ubx8-accent);
  padding: 1.3rem 1.6rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--ubx8-radius-md) var(--ubx8-radius-md) 0;
}

.ubx8-answer-capsule strong {
  color: var(--ubx8-accent);
  display: block;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.3rem;
}

.ubx8-answer-capsule p {
  margin-bottom: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ubx8-ink);
}

/* Table of Contents */
.ubx8-toc-box {
  background-color: var(--ubx8-surface-subtle);
  border: 1px solid var(--ubx8-border);
  padding: 1.5rem;
  border-radius: var(--ubx8-radius-md);
  margin: 1.8rem 0;
}

.ubx8-toc-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ubx8-ink);
  margin-bottom: 0.8rem;
}

.ubx8-toc-box ul {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1.5rem;
}

.ubx8-toc-box li a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ubx8-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.ubx8-toc-box li a:hover {
  text-decoration: underline;
}

/* Bento Grid System for Subpages & Hubs */
.ubx8-bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.ubx8-bento-card {
  background: var(--ubx8-surface);
  border: 1px solid var(--ubx8-border);
  padding: 1.5rem;
  border-radius: var(--ubx8-radius-md);
  transition: all 0.2s ease;
  box-shadow: var(--ubx8-shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ubx8-bento-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ubx8-shadow-md);
  border-color: var(--ubx8-accent);
}

.ubx8-bento-card h4 {
  font-family: var(--ubx8-font-heading);
  font-size: 1.2rem;
  color: var(--ubx8-ink);
  margin-bottom: 0.5rem;
}

.ubx8-bento-card p {
  font-size: 0.92rem;
  color: var(--ubx8-text-muted);
  flex-grow: 1;
}

/* Data Tables */
.ubx8-table-container {
  overflow-x: auto;
  margin: 1.8rem 0;
  border-radius: var(--ubx8-radius-md);
  border: 1px solid var(--ubx8-border);
  box-shadow: var(--ubx8-shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--ubx8-surface);
  text-align: left;
}

th {
  background: var(--ubx8-surface-subtle);
  color: var(--ubx8-ink);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 1rem;
  border-bottom: 2px solid var(--ubx8-border-strong);
}

td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--ubx8-border);
  font-size: 0.95rem;
  color: var(--ubx8-ink-light);
}

tr:nth-child(even) td {
  background-color: #fafbfc;
}

tr:hover td {
  background-color: rgba(36, 118, 143, 0.04);
}

/* Content CTA Banner */
.ubx8-content-cta-banner {
  background: linear-gradient(135deg, var(--ubx8-surface) 0%, var(--ubx8-surface-subtle) 100%);
  border: 2px solid var(--ubx8-accent);
  border-radius: var(--ubx8-radius-lg);
  padding: 2.2rem;
  text-align: center;
  margin: 2.5rem 0;
  box-shadow: var(--ubx8-shadow-md);
}

.ubx8-content-cta-banner h3 {
  font-size: 1.6rem;
  color: var(--ubx8-accent);
  margin-bottom: 0.6rem;
}

/* FAQ Cards */
.ubx8-faq-section {
  margin: 2.5rem 0;
}

.ubx8-faq-card {
  background-color: var(--ubx8-surface);
  border: 1px solid var(--ubx8-border);
  border-radius: var(--ubx8-radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--ubx8-shadow-sm);
}

.ubx8-faq-question {
  padding: 1.1rem 1.4rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ubx8-ink);
  background-color: var(--ubx8-surface-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.ubx8-faq-answer {
  padding: 1.2rem 1.4rem;
  font-size: 0.95rem;
  color: var(--ubx8-ink-light);
  line-height: 1.65;
  border-top: 1px solid var(--ubx8-border);
}

/* E-E-A-T Author Box */
.ubx8-author-box {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background-color: var(--ubx8-surface-subtle);
  border: 1px solid var(--ubx8-border-strong);
  border-radius: var(--ubx8-radius-lg);
  padding: 1.5rem;
  margin: 2.5rem 0;
}

.ubx8-author-img {
  width: 75px;
  height: 75px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--ubx8-accent);
}

.ubx8-author-info h4 {
  font-size: 1.15rem;
  margin-bottom: 0.2rem;
  color: var(--ubx8-ink);
}

.ubx8-author-info p {
  font-size: 0.9rem;
  color: var(--ubx8-text-muted);
  margin-bottom: 0;
}

/* Sidebar Widgets */
.ubx8-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  position: sticky;
  top: 90px;
}

.ubx8-sidebar-widget {
  background-color: var(--ubx8-surface);
  border: 1px solid var(--ubx8-border);
  border-radius: var(--ubx8-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--ubx8-shadow-sm);
}

.ubx8-widget-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ubx8-ink);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--ubx8-surface-subtle);
}

.ubx8-silo-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.ubx8-silo-menu li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0.75rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ubx8-ink-light);
  border-radius: var(--ubx8-radius-sm);
  transition: all 0.15s ease;
}

.ubx8-silo-menu li a:hover, .ubx8-silo-menu li a.ubx8-active {
  background-color: var(--ubx8-surface-subtle);
  color: var(--ubx8-accent);
  text-decoration: none;
  padding-left: 0.95rem;
}

/* Footer */
.ubx8-site-footer {
  background-color: #0c1c22;
  color: #c5d4da;
  padding: 3.5rem 1.2rem 2rem;
  border-top: 3px solid var(--ubx8-accent);
}

.ubx8-footer-container {
  max-width: var(--ubx8-max-width);
  margin: 0 auto;
}

.ubx8-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 2.2rem;
  margin-bottom: 2.5rem;
}

.ubx8-footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 0.8rem;
  color: #92aab4;
}

.ubx8-footer-col h5 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

.ubx8-footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ubx8-footer-col ul li a {
  color: #92aab4;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.ubx8-footer-col ul li a:hover {
  color: var(--ubx8-accent2);
  text-decoration: none;
}

.ubx8-footer-bottom {
  text-align: center;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: #6d8892;
}

/* Mobile Sticky Bar */
.ubx8-mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-top: 2px solid var(--ubx8-accent);
  padding: 0.65rem 1rem;
  z-index: 9999;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
  gap: 0.75rem;
}

.ubx8-mobile-btn {
  flex: 1;
  text-align: center;
  padding: 0.75rem 0.5rem;
  font-size: 0.95rem;
  font-weight: 800;
  border-radius: var(--ubx8-radius-md);
  text-decoration: none !important;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .ubx8-bar-container,
  .ubx8-header-container {
    flex-wrap: wrap;
    gap: 0.65rem;
    padding: 0.6rem 0.85rem;
  }
  .ubx8-logo-group,
  .ubx8-logo-wrapper {
    flex: 1;
  }
  .ubx8-bar-actions,
  .ubx8-header-actions {
    display: flex;
    gap: 0.5rem;
  }
  .ubx8-bar-actions .ubx8-btn,
  .ubx8-header-actions .ubx8-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
  }
  .ubx8-main-menu,
  .ubx8-main-nav {
    width: 100%;
    order: 3;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0.35rem;
    padding: 0.35rem 0 0.5rem;
    scrollbar-width: none;
  }
  .ubx8-main-menu::-webkit-scrollbar,
  .ubx8-main-nav::-webkit-scrollbar {
    display: none;
  }
  .ubx8-main-menu li a,
  .ubx8-nav-link {
    padding: 0.35rem 0.65rem;
    font-size: 0.85rem;
    background: var(--ubx8-surface-subtle);
    border-radius: 50px;
  }
  .ubx8-content-wrapper {
    grid-template-columns: 1fr;
  }
  .ubx8-hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .ubx8-hero-badge {
    align-self: center;
  }
  .ubx8-hero-trust-bar {
    justify-content: center;
  }
  .ubx8-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ubx8-mobile-sticky-bar {
    display: flex;
  }
}

@media (max-width: 600px) {
  .ubx8-footer-grid {
    grid-template-columns: 1fr;
  }
  .ubx8-toc-box ul {
    grid-template-columns: 1fr;
  }
  .ubx8-article-body {
    padding: 1.5rem;
  }
}