/**
 * BD 999 - Core Stylesheet
 * All classes use vabc- prefix for namespace isolation
 * Color palette: #FFD700 (gold) | #1E1E1E (dark) | #BF360C (deep red)
 * Mobile-first design, max-width 430px
 */

/* CSS Variables */
:root {
  --vabc-primary: #FFD700;
  --vabc-bg: #1E1E1E;
  --vabc-accent: #BF360C;
  --vabc-text: #F5F5F5;
  --vabc-text-muted: #B0B0B0;
  --vabc-card-bg: #2A2A2A;
  --vabc-card-border: #3A3A3A;
  --vabc-header-bg: #141414;
  --vabc-bottom-bg: #141414;
  --vabc-gold-glow: rgba(255, 215, 0, 0.15);
  --vabc-red-glow: rgba(191, 54, 12, 0.2);
  --vabc-radius: 8px;
  --vabc-radius-lg: 12px;
}

/* Reset & Base */
html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans Bengali', sans-serif;
  background-color: var(--vabc-bg);
  color: var(--vabc-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--vabc-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #FFE44D;
}

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

/* Container */
.vabc-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

.vabc-wrapper {
  width: 100%;
  overflow-x: hidden;
}

/* Grid System */
.vabc-grid {
  display: grid;
  gap: 1rem;
}

.vabc-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.vabc-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.vabc-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Header */
.vabc-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--vabc-header-bg);
  border-bottom: 1px solid var(--vabc-card-border);
  height: 5.6rem;
}

.vabc-header-inner {
  max-width: 430px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  height: 100%;
}

.vabc-logo-area {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.vabc-logo-area img {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 0.6rem;
}

.vabc-logo-area span {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--vabc-primary);
  white-space: nowrap;
}

.vabc-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Buttons */
.vabc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  border-radius: var(--vabc-radius);
  font-size: 1.2rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
  min-height: 3.6rem;
}

.vabc-btn-primary {
  background: var(--vabc-primary);
  color: #1E1E1E;
}

.vabc-btn-primary:hover {
  background: #FFE44D;
  color: #1E1E1E;
}

.vabc-btn-accent {
  background: var(--vabc-accent);
  color: #FFFFFF;
}

.vabc-btn-accent:hover {
  background: #D84315;
  color: #FFFFFF;
}

.vabc-btn-outline {
  background: transparent;
  color: var(--vabc-primary);
  border: 1px solid var(--vabc-primary);
}

.vabc-btn-outline:hover {
  background: var(--vabc-gold-glow);
}

.vabc-btn-lg {
  padding: 1rem 2rem;
  font-size: 1.4rem;
  min-height: 4.4rem;
}

.vabc-btn-block {
  width: 100%;
  display: flex;
}

/* Hamburger menu button */
.vabc-menu-toggle {
  background: none;
  border: none;
  color: var(--vabc-primary);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile Menu Overlay */
.vabc-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9998;
}

/* Mobile Menu Panel */
.vabc-mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 75%;
  max-width: 300px;
  background: var(--vabc-header-bg);
  z-index: 9999;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  padding: 1.6rem;
}

.vabc-mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--vabc-card-border);
}

.vabc-mobile-menu-header span {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--vabc-primary);
}

.vabc-menu-close {
  background: none;
  border: none;
  color: var(--vabc-text-muted);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.4rem;
}

.vabc-mobile-menu nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.vabc-mobile-menu nav ul li {
  margin-bottom: 0.4rem;
}

.vabc-mobile-menu nav ul li a {
  display: block;
  padding: 1rem 1.2rem;
  color: var(--vabc-text);
  font-size: 1.3rem;
  border-radius: var(--vabc-radius);
  transition: background 0.2s;
}

.vabc-mobile-menu nav ul li a:hover {
  background: var(--vabc-card-bg);
  color: var(--vabc-primary);
}

/* Main Content */
.vabc-main {
  padding-top: 6.4rem;
}

/* Carousel */
.vabc-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--vabc-radius-lg);
  margin-bottom: 2rem;
}

.vabc-carousel-track {
  position: relative;
  width: 100%;
  aspect-ratio: 16/7;
}

.vabc-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease;
  cursor: pointer;
}

.vabc-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vabc-carousel-active {
  opacity: 1;
}

.vabc-carousel-dots {
  position: absolute;
  bottom: 0.8rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
}

.vabc-carousel-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.vabc-carousel-dot.vabc-dot-active {
  background: var(--vabc-primary);
}

/* Section Titles */
.vabc-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--vabc-primary);
  margin: 2rem 0 1.2rem;
  padding-left: 1rem;
  border-left: 3px solid var(--vabc-accent);
  line-height: 1.4;
}

.vabc-section-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--vabc-text);
  margin: 1.6rem 0 0.8rem;
}

/* Game Grid */
.vabc-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}

.vabc-game-item {
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s;
}

.vabc-game-item:hover {
  transform: scale(1.05);
}

.vabc-game-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--vabc-radius);
  border: 1px solid var(--vabc-card-border);
  margin-bottom: 0.4rem;
}

.vabc-game-item span {
  display: block;
  font-size: 1.1rem;
  color: var(--vabc-text-muted);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Cards */
.vabc-card {
  background: var(--vabc-card-bg);
  border: 1px solid var(--vabc-card-border);
  border-radius: var(--vabc-radius-lg);
  padding: 1.6rem;
  margin-bottom: 1.2rem;
}

.vabc-card-gold {
  border-color: var(--vabc-primary);
  box-shadow: 0 0 1.2rem var(--vabc-gold-glow);
}

.vabc-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--vabc-primary);
  margin-bottom: 0.8rem;
}

/* Content Sections */
.vabc-content-block {
  margin-bottom: 2rem;
  padding: 0 1.2rem;
}

.vabc-text {
  font-size: 1.3rem;
  line-height: 1.8;
  color: var(--vabc-text-muted);
  margin-bottom: 1rem;
}

.vabc-text strong {
  color: var(--vabc-primary);
}

/* Promo link styling */
.vabc-promo-link {
  color: var(--vabc-primary);
  font-weight: 700;
  cursor: pointer;
  border-bottom: 1px dashed var(--vabc-primary);
  transition: color 0.2s;
}

.vabc-promo-link:hover {
  color: #FFE44D;
}

/* FAQ Section */
.vabc-faq-item {
  background: var(--vabc-card-bg);
  border: 1px solid var(--vabc-card-border);
  border-radius: var(--vabc-radius);
  padding: 1.2rem;
  margin-bottom: 0.8rem;
}

.vabc-faq-q {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--vabc-primary);
  margin-bottom: 0.6rem;
}

.vabc-faq-a {
  font-size: 1.2rem;
  color: var(--vabc-text-muted);
  line-height: 1.6;
}

/* Winners Showcase */
.vabc-winner-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  background: var(--vabc-card-bg);
  border-radius: var(--vabc-radius);
  margin-bottom: 0.6rem;
  border-left: 3px solid var(--vabc-primary);
}

.vabc-winner-name {
  font-size: 1.2rem;
  color: var(--vabc-text);
}

.vabc-winner-amount {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--vabc-primary);
}

.vabc-winner-game {
  font-size: 1.1rem;
  color: var(--vabc-text-muted);
}

/* Payment Icons */
.vabc-payment-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 1rem 0;
}

.vabc-payment-item {
  background: var(--vabc-card-bg);
  border: 1px solid var(--vabc-card-border);
  border-radius: var(--vabc-radius);
  padding: 0.6rem 1rem;
  font-size: 1.1rem;
  color: var(--vabc-text-muted);
}

/* Testimonial */
.vabc-testimonial {
  background: var(--vabc-card-bg);
  border-radius: var(--vabc-radius-lg);
  padding: 1.2rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--vabc-accent);
}

.vabc-testimonial-text {
  font-size: 1.2rem;
  color: var(--vabc-text-muted);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 0.6rem;
}

.vabc-testimonial-author {
  font-size: 1.1rem;
  color: var(--vabc-primary);
  font-weight: 600;
}

/* Footer */
.vabc-footer {
  background: var(--vabc-header-bg);
  border-top: 1px solid var(--vabc-card-border);
  padding: 2rem 1.2rem 3rem;
  margin-top: 3rem;
}

.vabc-footer-brand {
  font-size: 1.3rem;
  color: var(--vabc-text-muted);
  line-height: 1.6;
  margin-bottom: 1.6rem;
}

.vabc-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.6rem;
}

.vabc-footer-links a {
  background: var(--vabc-card-bg);
  border: 1px solid var(--vabc-card-border);
  border-radius: var(--vabc-radius);
  padding: 0.5rem 1rem;
  font-size: 1.1rem;
  color: var(--vabc-text-muted);
  transition: all 0.2s;
}

.vabc-footer-links a:hover {
  border-color: var(--vabc-primary);
  color: var(--vabc-primary);
}

.vabc-footer-copyright {
  font-size: 1.1rem;
  color: var(--vabc-text-muted);
  text-align: center;
  margin-top: 1rem;
  opacity: 0.7;
}

/* Bottom Navigation */
.vabc-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--vabc-bottom-bg);
  border-top: 1px solid var(--vabc-card-border);
  height: 6rem;
  display: flex;
  justify-content: space-around;
  align-items: center;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

.vabc-bottom-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--vabc-text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.4rem;
  min-width: 6rem;
  min-height: 5rem;
  transition: all 0.2s;
  gap: 0.3rem;
}

.vabc-bottom-nav-btn:hover,
.vabc-nav-active {
  color: var(--vabc-primary);
}

.vabc-bottom-nav-btn .vabc-nav-icon {
  font-size: 2.2rem;
  line-height: 1;
}

.vabc-bottom-nav-btn .vabc-nav-label {
  font-size: 1rem;
  line-height: 1.2;
}

.vabc-bottom-nav-btn:active {
  transform: scale(0.92);
}

/* Desktop: hide bottom nav */
@media (min-width: 769px) {
  .vabc-bottom-nav {
    display: none;
  }
}

/* Mobile: add bottom padding */
@media (max-width: 768px) {
  .vabc-main {
    padding-bottom: 8rem;
  }
  .vabc-footer {
    padding-bottom: 8rem;
  }
}

/* Utility classes */
.vabc-text-center { text-align: center; }
.vabc-text-gold { color: var(--vabc-primary); }
.vabc-text-red { color: var(--vabc-accent); }
.vabc-mt-1 { margin-top: 0.8rem; }
.vabc-mt-2 { margin-top: 1.6rem; }
.vabc-mb-1 { margin-bottom: 0.8rem; }
.vabc-mb-2 { margin-bottom: 1.6rem; }
.vabc-p-1 { padding: 0.8rem; }
.vabc-p-2 { padding: 1.6rem; }

/* Highlight badge */
.vabc-badge {
  display: inline-block;
  background: var(--vabc-accent);
  color: #FFFFFF;
  font-size: 1rem;
  padding: 0.2rem 0.6rem;
  border-radius: 0.4rem;
  font-weight: 600;
}

/* Category tabs visual (used in heading) */
.vabc-cat-label {
  display: inline-block;
  background: var(--vabc-gold-glow);
  color: var(--vabc-primary);
  font-size: 1.1rem;
  padding: 0.3rem 0.8rem;
  border-radius: 2rem;
  border: 1px solid rgba(255, 215, 0, 0.3);
  margin-right: 0.6rem;
  font-weight: 600;
}

/* Divider */
.vabc-divider {
  height: 1px;
  background: var(--vabc-card-border);
  margin: 2rem 0;
}

/* Promo banner CTA */
.vabc-cta-banner {
  background: linear-gradient(135deg, var(--vabc-accent), #E65100);
  border-radius: var(--vabc-radius-lg);
  padding: 2rem 1.6rem;
  text-align: center;
  margin: 2rem 0;
}

.vabc-cta-banner h3 {
  color: #FFFFFF;
  font-size: 1.6rem;
  margin: 0 0 0.8rem;
}

.vabc-cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.2rem;
  margin: 0 0 1.2rem;
}

/* Partner logos row */
.vabc-partners {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding: 1rem 0;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.vabc-partners::-webkit-scrollbar {
  display: none;
}

.vabc-partner-logo {
  flex-shrink: 0;
  background: var(--vabc-card-bg);
  border: 1px solid var(--vabc-card-border);
  border-radius: var(--vabc-radius);
  padding: 0.6rem 1rem;
  font-size: 1.1rem;
  color: var(--vabc-text-muted);
  white-space: nowrap;
}

/* Animations */
@keyframes vabc-fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.vabc-animate-in {
  animation: vabc-fadeIn 0.4s ease-out;
}

/* RTP bar */
.vabc-rtp-bar {
  height: 0.8rem;
  background: var(--vabc-card-border);
  border-radius: 0.4rem;
  overflow: hidden;
  margin: 0.4rem 0;
}

.vabc-rtp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--vabc-accent), var(--vabc-primary));
  border-radius: 0.4rem;
  transition: width 0.6s ease;
}

.vabc-rtp-label {
  display: flex;
  justify-content: space-between;
  font-size: 1.1rem;
  color: var(--vabc-text-muted);
}