/* ============================================================
 * ninong gaming - Shared Stylesheet (Core Base File)
 * All custom classes use the dynamic prefix "vb0b-" to isolate
 * the namespace from other site styles. Mobile-first layout with
 * a 430px container cap. Code comments are written in English.
 * ============================================================ */

:root {
  /* Brand palette */
  --vb0b-primary: #FF9500;       /* orange - main brand color */
  --vb0b-primary-dark: #E07F00;
  --vb0b-bg: #262626;            /* deep charcoal background */
  --vb0b-bg-soft: #2F2F2F;
  --vb0b-bg-card: #1F1F1F;
  --vb0b-accent: #FFEB3B;        /* bright yellow accent */
  --vb0b-text: #FFFFFF;
  --vb0b-text-soft: #D6D6D6;
  --vb0b-text-muted: #9A9A9A;
  --vb0b-border: rgba(255, 149, 0, 0.25);
  --vb0b-success: #38E07B;
  --vb0b-danger: #FF5C5C;

  /* Layout tokens */
  --vb0b-radius: 1.2rem;
  --vb0b-radius-sm: 0.8rem;
  --vb0b-shadow: 0 0.4rem 1.6rem rgba(0, 0, 0, 0.45);
  --vb0b-header-h: 6rem;
  --vb0b-bottom-h: 6.4rem;
  --vb0b-maxw: 430px;
}

/* Reset and base typography */
* { box-sizing: border-box; }
html { font-size: 62.5%; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Helvetica Neue", "Segoe UI", "Roboto", system-ui, sans-serif;
  background: var(--vb0b-bg);
  color: var(--vb0b-text);
  line-height: 1.5;
  font-size: 1.5rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--vb0b-accent); text-decoration: none; }
h1, h2, h3, h4 { margin: 0 0 1rem; line-height: 1.25; font-weight: 700; }
p { margin: 0 0 1.2rem; color: var(--vb0b-text-soft); }

/* Page width wrapper - mobile first, capped at 430px */
.vb0b-wrapper {
  width: 100%;
  max-width: var(--vb0b-maxw);
  margin: 0 auto;
  padding: 0 1.2rem;
  position: relative;
}
.vb0b-container { width: 100%; }

/* ====================== Header ====================== */
.vb0b-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--vb0b-header-h);
  background: linear-gradient(180deg, rgba(38,38,38,0.96), rgba(38,38,38,0.86));
  border-bottom: 0.2rem solid var(--vb0b-primary);
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.vb0b-header-scrolled {
  background: rgba(20,20,20,0.98);
  box-shadow: 0 0.4rem 1.2rem rgba(0,0,0,0.55);
}
.vb0b-header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.2rem;
  max-width: var(--vb0b-maxw);
  margin: 0 auto;
}
.vb0b-logo {
  display: flex; align-items: center; gap: 0.8rem;
  color: var(--vb0b-text);
}
.vb0b-logo img { width: 3rem; height: 3rem; border-radius: 0.6rem; }
.vb0b-logo-text {
  font-size: 1.7rem; font-weight: 800; letter-spacing: 0.02em;
}
.vb0b-logo-text span { color: var(--vb0b-primary); }

.vb0b-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.vb0b-menu-toggle {
  background: transparent; border: 0.15rem solid var(--vb0b-border);
  color: var(--vb0b-text);
  width: 3.6rem; height: 3.6rem; border-radius: 0.8rem;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.8rem;
}

/* ====================== Buttons ====================== */
.vb0b-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  min-height: 4rem; padding: 0 1.4rem;
  border-radius: 2rem;
  font-size: 1.4rem; font-weight: 700;
  border: 0; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.vb0b-btn:active { transform: scale(0.96); }
.vb0b-btn-register {
  background: linear-gradient(135deg, var(--vb0b-primary), #FFB040);
  color: #1A1100;
  box-shadow: 0 0.3rem 0.8rem rgba(255,149,0,0.35);
}
.vb0b-btn-login {
  background: transparent;
  color: var(--vb0b-text);
  border: 0.15rem solid var(--vb0b-primary);
}
.vb0b-btn-promo {
  background: linear-gradient(135deg, var(--vb0b-accent), #FFD400);
  color: #1A1100;
  box-shadow: 0 0.3rem 0.8rem rgba(255,235,59,0.35);
}
.vb0b-btn-block { width: 100%; }
.vb0b-text-link {
  color: var(--vb0b-accent); font-weight: 700; cursor: pointer;
  border-bottom: 0.1rem dashed var(--vb0b-accent);
}

/* ====================== Mobile Menu ====================== */
.vb0b-mobile-menu {
  position: fixed; top: 0; right: -100%;
  width: 80%; max-width: 320px; height: 100vh;
  background: var(--vb0b-bg-soft);
  border-left: 0.2rem solid var(--vb0b-primary);
  padding: calc(var(--vb0b-header-h) + 1rem) 1.6rem 2rem;
  z-index: 9999;
  transition: right 0.3s ease;
  overflow-y: auto;
}
.vb0b-mobile-menu.vb0b-menu-open { right: 0; }
.vb0b-menu-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 9998;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
}
.vb0b-mobile-menu.vb0b-menu-open ~ .vb0b-menu-backdrop { opacity: 1; pointer-events: auto; }
.vb0b-mobile-menu a, .vb0b-mobile-menu button.vb0b-menu-link {
  display: block; width: 100%; text-align: left;
  padding: 1.2rem 1rem;
  color: var(--vb0b-text); font-size: 1.5rem; font-weight: 600;
  border-bottom: 0.1rem solid rgba(255,255,255,0.06);
  background: transparent; border-left: 0; border-right: 0; border-top: 0;
  cursor: pointer;
}
.vb0b-mobile-menu a:hover, .vb0b-mobile-menu button.vb0b-menu-link:hover {
  color: var(--vb0b-accent); background: rgba(255,149,0,0.08);
}

/* ====================== Hero / Carousel ====================== */
.vb0b-hero {
  margin-top: var(--vb0b-header-h);
  padding: 1rem 0 0.5rem;
}
.vb0b-carousel {
  position: relative;
  border-radius: var(--vb0b-radius);
  overflow: hidden;
  box-shadow: var(--vb0b-shadow);
}
.vb0b-carousel-track { position: relative; }
.vb0b-carousel-slide {
  display: none; position: relative;
  cursor: pointer;
}
.vb0b-carousel-slide.vb0b-active { display: block; }
.vb0b-carousel-slide img {
  width: 100%; height: 18rem; object-fit: cover;
}
.vb0b-carousel-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.2rem; color: var(--vb0b-text);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.85));
}
.vb0b-carousel-caption strong { color: var(--vb0b-accent); font-size: 1.7rem; }
.vb0b-carousel-dots {
  position: absolute; bottom: 0.8rem; left: 0; right: 0;
  display: flex; justify-content: center; gap: 0.5rem; z-index: 2;
}
.vb0b-carousel-dot {
  width: 0.8rem; height: 0.8rem; border-radius: 50%;
  background: rgba(255,255,255,0.45); border: 0; cursor: pointer; padding: 0;
}
.vb0b-carousel-dot.vb0b-active { background: var(--vb0b-primary); transform: scale(1.15); }

/* Hero CTA strip under the carousel */
.vb0b-hero-cta {
  display: flex; gap: 0.8rem; margin-top: 1rem;
}
.vb0b-hero-cta .vb0b-btn { flex: 1; }

/* ====================== Sections ====================== */
.vb0b-section { padding: 2.4rem 0; }
.vb0b-section-title {
  font-size: 2rem; color: var(--vb0b-text);
  display: flex; align-items: center; gap: 0.8rem;
}
.vb0b-section-title i, .vb0b-section-title span.material-icons {
  color: var(--vb0b-primary); font-size: 2.2rem;
}
.vb0b-section-title small {
  display: block; font-size: 1.25rem; font-weight: 500;
  color: var(--vb0b-accent); margin-top: 0.2rem;
}
.vb0b-lead { font-size: 1.55rem; color: var(--vb0b-text-soft); }
.vb0b-h1 {
  font-size: 2.3rem; line-height: 1.2; color: var(--vb0b-text);
  margin: 0.5rem 0 1rem;
}
.vb0b-h1 span { color: var(--vb0b-primary); }

/* ====================== Game grid ====================== */
.vb0b-game-block { margin-bottom: 1.6rem; }
.vb0b-game-block-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem;
}
.vb0b-game-block-title {
  font-size: 1.7rem; color: var(--vb0b-text); display: flex; align-items: center; gap: 0.6rem;
}
.vb0b-game-block-title i { color: var(--vb0b-accent); }
.vb0b-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}
.vb0b-game-card {
  display: block; cursor: pointer; text-align: center;
  background: var(--vb0b-bg-card);
  border: 0.1rem solid rgba(255,255,255,0.06);
  border-radius: var(--vb0b-radius-sm);
  padding: 0.6rem 0.4rem 0.8rem;
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.vb0b-game-card:hover, .vb0b-game-card:active {
  transform: translateY(-0.2rem);
  border-color: var(--vb0b-primary);
  box-shadow: 0 0.4rem 1rem rgba(255,149,0,0.18);
}
.vb0b-game-card img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  border-radius: 0.6rem; margin-bottom: 0.4rem;
}
.vb0b-game-name {
  font-size: 1.15rem; font-weight: 600; color: var(--vb0b-text);
  line-height: 1.25; min-height: 2.8em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ====================== Cards / generic ====================== */
.vb0b-card {
  background: var(--vb0b-bg-card);
  border: 0.1rem solid rgba(255,255,255,0.06);
  border-radius: var(--vb0b-radius);
  padding: 1.4rem;
  box-shadow: var(--vb0b-shadow);
}
.vb0b-card-accent { border-left: 0.4rem solid var(--vb0b-primary); }
.vb0b-card-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.vb0b-feature-row {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1rem; border-radius: var(--vb0b-radius-sm);
  background: var(--vb0b-bg-card);
}
.vb0b-feature-row .vb0b-feature-icon {
  flex: 0 0 3.6rem; height: 3.6rem; border-radius: 0.8rem;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,149,0,0.15); color: var(--vb0b-primary); font-size: 1.8rem;
}
.vb0b-feature-row h3 { font-size: 1.45rem; margin-bottom: 0.3rem; color: var(--vb0b-text); }
.vb0b-feature-row p { margin: 0; font-size: 1.3rem; color: var(--vb0b-text-soft); }

/* Steps list */
.vb0b-steps { counter-reset: step; padding: 0; list-style: none; margin: 0; }
.vb0b-steps li {
  position: relative; padding: 0.8rem 0 0.8rem 3.4rem;
  border-bottom: 0.1rem solid rgba(255,255,255,0.05);
}
.vb0b-steps li:before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 0.7rem;
  width: 2.4rem; height: 2.4rem; border-radius: 50%;
  background: var(--vb0b-primary); color: #1A1100;
  font-weight: 800; font-size: 1.3rem;
  display: flex; align-items: center; justify-content: center;
}

/* Testimonials */
.vb0b-testimonials { display: grid; gap: 0.9rem; }
.vb0b-testimonial {
  background: var(--vb0b-bg-card); border-radius: var(--vb0b-radius-sm);
  padding: 1.1rem; border-left: 0.3rem solid var(--vb0b-accent);
}
.vb0b-testimonial-stars { color: var(--vb0b-accent); font-size: 1.2rem; margin-bottom: 0.4rem; }
.vb0b-testimonial p { margin: 0 0 0.5rem; font-size: 1.35rem; color: var(--vb0b-text-soft); }
.vb0b-testimonial-author { font-size: 1.2rem; color: var(--vb0b-text-muted); }

/* Payment chips */
.vb0b-payment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.vb0b-payment-chip {
  background: var(--vb0b-bg-card); border-radius: var(--vb0b-radius-sm);
  padding: 0.9rem 0.5rem; text-align: center;
  font-size: 1.15rem; color: var(--vb0b-text-soft);
  border: 0.1rem solid rgba(255,255,255,0.05);
}
.vb0b-payment-chip i { display: block; color: var(--vb0b-primary); font-size: 1.6rem; margin-bottom: 0.3rem; }

/* Winners strip */
.vb0b-winners { display: grid; gap: 0.6rem; }
.vb0b-winner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.8rem 1rem; background: var(--vb0b-bg-card);
  border-radius: var(--vb0b-radius-sm); font-size: 1.3rem;
}
.vb0b-winner span:first-child { color: var(--vb0b-text); font-weight: 600; }
.vb0b-winner span:last-child { color: var(--vb0b-success); font-weight: 800; }

/* FAQ */
.vb0b-faq-item {
  background: var(--vb0b-bg-card); border-radius: var(--vb0b-radius-sm);
  padding: 1rem 1.2rem; margin-bottom: 0.7rem;
  border-left: 0.3rem solid var(--vb0b-primary);
}
.vb0b-faq-item h3 { font-size: 1.4rem; color: var(--vb0b-text); margin-bottom: 0.4rem; }
.vb0b-faq-item p { margin: 0; font-size: 1.3rem; }

/* Trust badges */
.vb0b-trust-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.vb0b-trust-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(255,149,0,0.12); color: var(--vb0b-accent);
  padding: 0.5rem 1rem; border-radius: 2rem; font-size: 1.2rem; font-weight: 600;
}

/* ====================== Footer ====================== */
.vb0b-footer {
  background: #161616;
  border-top: 0.2rem solid var(--vb0b-primary);
  padding: 2.4rem 0 calc(var(--vb0b-bottom-h) + 1.6rem);
  margin-top: 2rem;
}
.vb0b-footer h4 { color: var(--vb0b-accent); font-size: 1.4rem; margin-bottom: 0.8rem; }
.vb0b-footer p { font-size: 1.3rem; }
.vb0b-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; margin: 1rem 0;
}
.vb0b-footer-links a { color: var(--vb0b-text-soft); font-size: 1.25rem; }
.vb0b-footer-links a:hover { color: var(--vb0b-primary); }
.vb0b-footer-promos { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0; }
.vb0b-copyright { font-size: 1.15rem; color: var(--vb0b-text-muted); margin-top: 1.2rem; border-top: 0.1rem solid rgba(255,255,255,0.08); padding-top: 1rem; }

/* ====================== Mobile Bottom Navigation ====================== */
.vb0b-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--vb0b-bottom-h);
  background: linear-gradient(180deg, #1F1F1F, #141414);
  border-top: 0.2rem solid var(--vb0b-primary);
  display: flex; justify-content: space-around; align-items: stretch;
  z-index: 1000;
}
.vb0b-bottom-nav-btn {
  flex: 1; min-width: 6rem; min-height: 6rem;
  background: transparent; border: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.2rem; color: var(--vb0b-text-muted); cursor: pointer;
  padding: 0.4rem 0.2rem;
  transition: color 0.2s ease, transform 0.15s ease;
  position: relative;
}
.vb0b-bottom-nav-btn i,
.vb0b-bottom-nav-btn span.material-icons {
  font-size: 2.2rem;
}
.vb0b-bottom-nav-btn span.vb0b-bottom-nav-label {
  font-size: 1.05rem; font-weight: 600; letter-spacing: 0.02em;
}
.vb0b-bottom-nav-btn:hover { color: var(--vb0b-text); }
.vb0b-bottom-nav-btn:active { transform: scale(0.92); }
.vb0b-bottom-nav-btn.vb0b-active { color: var(--vb0b-primary); }
.vb0b-bottom-nav-btn.vb0b-active:after {
  content: ''; position: absolute; top: 0; left: 30%; right: 30%;
  height: 0.25rem; border-radius: 0 0 0.3rem 0.3rem; background: var(--vb0b-primary);
}
.vb0b-bottom-nav-btn.vb0b-promo {
  color: var(--vb0b-accent);
}
.vb0b-bottom-nav-badge {
  position: absolute; top: 0.6rem; right: 1.4rem;
  background: var(--vb0b-danger); color: #fff;
  font-size: 0.95rem; font-weight: 700;
  min-width: 1.6rem; height: 1.6rem; padding: 0 0.4rem;
  border-radius: 0.8rem; display: flex; align-items: center; justify-content: center;
}

/* Reserve space under the fixed bottom nav on mobile */
main { padding-bottom: 0; }
@media (max-width: 768px) {
  main { padding-bottom: calc(var(--vb0b-bottom-h) + 1.2rem); }
}

/* ====================== Desktop overrides ====================== */
@media (min-width: 769px) {
  .vb0b-bottom-nav { display: none; }
  .vb0b-footer { padding-bottom: 2.4rem; }
  .vb0b-wrapper { max-width: var(--vb0b-maxw); }
  .vb0b-game-grid { grid-template-columns: repeat(5, 1fr); }
  .vb0b-payment-grid { grid-template-columns: repeat(6, 1fr); }
}

/* Utility */
.vb0b-text-center { text-align: center; }
.vb0b-mt-1 { margin-top: 0.8rem; }
.vb0b-mt-2 { margin-top: 1.6rem; }
.vb0b-hidden { display: none !important; }
.vb0b-divider {
  height: 0.1rem; background: rgba(255,255,255,0.08);
  margin: 1.6rem 0; border: 0;
}