/* ============================================================
 * shuvo777 - design-3eef.css
 * Mobile-first gaming site. All custom classes use vfb1- prefix.
 * Palette: #DC143C (crimson) | #141414 (dark) | #E9967A (sand)
 *          #BBBBBB (muted). Dark background, light text.
 * ============================================================ */

:root {
  --vfb1-primary: #DC143C;
  --vfb1-primary-dark: #a30f2c;
  --vfb1-bg: #141414;
  --vfb1-bg-2: #1d1d1d;
  --vfb1-bg-3: #262626;
  --vfb1-sand: #E9967A;
  --vfb1-muted: #BBBBBB;
  --vfb1-text: #f4f4f4;
  --vfb1-border: #2c2c2c;
  --vfb1-gold: #f5c451;
  --vfb1-radius: 14px;
  --vfb1-shadow: 0 8px 22px rgba(0,0,0,.45);
  --vfb1-maxw: 430px;
}

/* Base reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI", system-ui, sans-serif;
  background: var(--vfb1-bg);
  color: var(--vfb1-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--vfb1-sand); text-decoration: none; }
a:hover { color: var(--vfb1-primary); }
ul { list-style: none; }

/* Layout container — strict 430px mobile width */
.vfb1-wrapper {
  width: 100%;
  max-width: var(--vfb1-maxw);
  margin: 0 auto;
  padding: 0 12px;
  position: relative;
}
.vfb1-container {
  width: 100%;
  max-width: var(--vfb1-maxw);
  margin: 0 auto;
}

/* ===================== Header ===================== */
.vfb1-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, #1a1a1a 0%, #141414 100%);
  border-bottom: 1px solid var(--vfb1-border);
  transition: box-shadow .25s ease, background .25s ease;
}
.vfb1-header-scrolled {
  box-shadow: 0 4px 18px rgba(0,0,0,.6);
  background: rgba(20,20,20,.96);
}
.vfb1-header-inner {
  max-width: var(--vfb1-maxw);
  margin: 0 auto;
  height: 56px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.vfb1-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--vfb1-text);
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: .3px;
}
.vfb1-logo img { width: 30px; height: 30px; border-radius: 8px; }
.vfb1-logo .vfb1-logo-accent { color: var(--vfb1-primary); }
.vfb1-burger {
  margin-left: auto;
  width: 38px; height: 38px;
  border: none;
  background: var(--vfb1-bg-3);
  color: var(--vfb1-text);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.8rem;
}
.vfb1-burger i { font-size: 1.8rem; }
.vfb1-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.vfb1-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1.35rem;
  cursor: pointer;
  border: none;
  transition: transform .15s ease, filter .2s ease, background .2s ease;
}
.vfb1-btn:active { transform: scale(.96); }
.vfb1-btn-login {
  background: var(--vfb1-bg-3);
  color: var(--vfb1-text);
  border: 1px solid var(--vfb1-border);
}
.vfb1-btn-register {
  background: linear-gradient(135deg, var(--vfb1-primary) 0%, var(--vfb1-primary-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(220,20,60,.4);
}
.vfb1-btn-block {
  display: flex;
  width: 100%;
  padding: 12px;
  font-size: 1.5rem;
  margin: 8px 0;
}

/* ===================== Mobile slide menu ===================== */
.vfb1-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.vfb1-overlay-active { opacity: 1; pointer-events: auto; }
.vfb1-mobile-menu {
  position: fixed;
  top: 0; right: -85%;
  width: 78%;
  max-width: 320px;
  height: 100%;
  background: var(--vfb1-bg-2);
  z-index: 9999;
  padding: 70px 18px 24px;
  overflow-y: auto;
  transition: right .3s ease;
  border-left: 1px solid var(--vfb1-border);
}
.vfb1-menu-active { right: 0; }
.vfb1-mobile-menu h4 {
  font-size: 1.3rem;
  color: var(--vfb1-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 14px 6px 8px;
}
.vfb1-mobile-menu a {
  display: block;
  padding: 11px 12px;
  color: var(--vfb1-text);
  border-radius: 10px;
  font-size: 1.45rem;
  border-bottom: 1px solid var(--vfb1-border);
}
.vfb1-mobile-menu a:hover { background: var(--vfb1-bg-3); color: var(--vfb1-sand); }
.vfb1-menu-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--vfb1-bg-3);
  color: var(--vfb1-text);
  border: none;
  cursor: pointer;
  font-size: 1.6rem;
}

/* ===================== Main ===================== */
main.vfb1-main {
  padding-top: 64px;
  padding-bottom: 24px;
}

/* ===================== Hero / Carousel ===================== */
.vfb1-carousel {
  position: relative;
  border-radius: var(--vfb1-radius);
  overflow: hidden;
  margin: 12px 0 18px;
  box-shadow: var(--vfb1-shadow);
}
.vfb1-slide {
  display: none;
  position: relative;
  cursor: pointer;
}
.vfb1-slide-active { display: block; }
.vfb1-slide img { width: 100%; height: 180px; object-fit: cover; }
.vfb1-slide-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 10px 14px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,.85) 100%);
}
.vfb1-slide-title {
  color: #fff;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.vfb1-slide-cta {
  display: inline-block;
  background: var(--vfb1-primary);
  color: #fff;
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 1.25rem;
  font-weight: 600;
}
.vfb1-dots {
  position: absolute;
  bottom: 8px; right: 10px;
  display: flex;
  gap: 5px;
}
.vfb1-dot {
  width: 7px; height: 7px;
  background: rgba(255,255,255,.45);
  border-radius: 50%;
  cursor: pointer;
}
.vfb1-dot-active { background: var(--vfb1-primary); }

/* ===================== Sections ===================== */
.vfb1-section {
  margin: 18px 0;
  padding: 14px;
  background: var(--vfb1-bg-2);
  border: 1px solid var(--vfb1-border);
  border-radius: var(--vfb1-radius);
}
.vfb1-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--vfb1-text);
}
.vfb1-section-title i { color: var(--vfb1-primary); font-size: 2rem; }
.vfb1-section-title .vfb1-more {
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--vfb1-sand);
  font-weight: 500;
}

h1.vfb1-h1 {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 2.4rem;
  margin: 14px 0 6px;
  color: var(--vfb1-text);
}
h2.vfb1-h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 14px 0 8px;
  color: var(--vfb1-sand);
}
h3.vfb1-h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 10px 0 6px;
  color: var(--vfb1-text);
}
.vfb1-lead { color: var(--vfb1-muted); font-size: 1.4rem; margin-bottom: 10px; }

/* ===================== Game grid ===================== */
.vfb1-cat-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.vfb1-cat-tab {
  padding: 6px 12px;
  font-size: 1.25rem;
  background: var(--vfb1-bg-3);
  color: var(--vfb1-muted);
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
}
.vfb1-cat-tab:hover { color: var(--vfb1-sand); border-color: var(--vfb1-primary); }

.vfb1-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.vfb1-game-card {
  background: var(--vfb1-bg-3);
  border: 1px solid var(--vfb1-border);
  border-radius: 12px;
  padding: 6px;
  text-align: center;
  cursor: pointer;
  transition: transform .15s ease, border-color .2s ease;
}
.vfb1-game-card:active { transform: scale(.95); }
.vfb1-game-card:hover { border-color: var(--vfb1-primary); }
.vfb1-game-card img {
  width: 100%;
  height: 78px;
  object-fit: cover;
  border-radius: 9px;
  margin-bottom: 4px;
}
.vfb1-game-name {
  font-size: 1.15rem;
  color: var(--vfb1-text);
  font-weight: 500;
  line-height: 1.3rem;
  min-height: 2.6rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===================== Feature / cards ===================== */
.vfb1-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.vfb1-feature-card {
  background: linear-gradient(145deg, var(--vfb1-bg-3), var(--vfb1-bg-2));
  border: 1px solid var(--vfb1-border);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}
.vfb1-feature-card i {
  font-size: 2.6rem;
  color: var(--vfb1-primary);
  margin-bottom: 6px;
}
.vfb1-feature-card h3 { font-size: 1.35rem; margin-bottom: 4px; color: var(--vfb1-text); }
.vfb1-feature-card p { font-size: 1.2rem; color: var(--vfb1-muted); line-height: 1.35rem; }

/* RTP compact bar */
.vfb1-rtp-row { margin-bottom: 8px; }
.vfb1-rtp-label {
  display: flex; justify-content: space-between;
  font-size: 1.25rem; margin-bottom: 3px;
}
.vfb1-rtp-label .vfb1-rtp-pct { color: var(--vfb1-gold); font-weight: 700; }
.vfb1-rtp-bar {
  height: 8px; background: var(--vfb1-bg-3);
  border-radius: 6px; overflow: hidden;
}
.vfb1-rtp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--vfb1-primary), var(--vfb1-sand));
}

/* Testimonials */
.vfb1-testimonial {
  background: var(--vfb1-bg-3);
  border-left: 3px solid var(--vfb1-primary);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 8px;
}
.vfb1-testimonial p { font-size: 1.3rem; color: var(--vfb1-text); }
.vfb1-testimonial .vfb1-stars { color: var(--vfb1-gold); font-size: 1.2rem; margin-bottom: 4px; }
.vfb1-testimonial .vfb1-author { color: var(--vfb1-muted); font-size: 1.15rem; margin-top: 4px; }

/* Winners showcase */
.vfb1-winners {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 8px;
}
.vfb1-winner {
  background: var(--vfb1-bg-3);
  border-radius: 10px;
  padding: 8px;
  font-size: 1.2rem;
}
.vfb1-winner strong { color: var(--vfb1-gold); display: block; font-size: 1.35rem; }
.vfb1-winner span { color: var(--vfb1-muted); }

/* Payment methods */
.vfb1-pay-row {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.vfb1-pay-chip {
  background: var(--vfb1-bg-3);
  border: 1px solid var(--vfb1-border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 1.2rem;
  color: var(--vfb1-text);
  display: inline-flex; align-items: center; gap: 6px;
}
.vfb1-pay-chip i { color: var(--vfb1-sand); }

/* FAQ */
.vfb1-faq-item {
  background: var(--vfb1-bg-3);
  border: 1px solid var(--vfb1-border);
  border-radius: 10px;
  margin-bottom: 8px;
  overflow: hidden;
}
.vfb1-faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--vfb1-text);
  padding: 12px;
  font-size: 1.35rem;
  font-weight: 600;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.vfb1-faq-q .vfb1-faq-icon { color: var(--vfb1-primary); transition: transform .2s ease; }
.vfb1-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease, padding .25s ease;
  padding: 0 12px;
  color: var(--vfb1-muted);
  font-size: 1.25rem;
}
.vfb1-faq-open .vfb1-faq-a { max-height: 320px; padding: 0 12px 12px; }
.vfb1-faq-open .vfb1-faq-icon { transform: rotate(45deg); }

/* Promo CTA banner */
.vfb1-cta-banner {
  background: linear-gradient(135deg, var(--vfb1-primary) 0%, #7a0a1f 100%);
  border-radius: var(--vfb1-radius);
  padding: 16px;
  color: #fff;
  text-align: center;
  margin: 14px 0;
}
.vfb1-cta-banner h3 { color: #fff; font-size: 1.7rem; margin-bottom: 4px; }
.vfb1-cta-banner p { font-size: 1.25rem; opacity: .9; margin-bottom: 10px; }
.vfb1-cta-banner .vfb1-btn {
  background: #fff; color: var(--vfb1-primary);
  font-weight: 700;
}

/* SEO text content */
.vfb1-seo-text { font-size: 1.35rem; color: var(--vfb1-muted); line-height: 1.7rem; }
.vfb1-seo-text p { margin-bottom: 10px; }
.vfb1-seo-text a { color: var(--vfb1-sand); font-weight: 600; }
.vfb1-seo-text strong { color: var(--vfb1-text); }

/* App download CTA */
.vfb1-app-cta {
  display: flex; gap: 10px; align-items: center;
  background: var(--vfb1-bg-3);
  border-radius: 12px;
  padding: 12px;
}
.vfb1-app-cta .vfb1-app-icon {
  width: 54px; height: 54px;
  background: var(--vfb1-primary);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem; color: #fff;
}
.vfb1-app-cta .vfb1-app-text { flex: 1; }
.vfb1-app-cta h3 { font-size: 1.4rem; margin-bottom: 2px; }
.vfb1-app-cta p { font-size: 1.2rem; color: var(--vfb1-muted); }

/* ===================== Footer ===================== */
.vfb1-footer {
  background: #0e0e0e;
  border-top: 1px solid var(--vfb1-border);
  padding: 18px 12px 90px;
  margin-top: 18px;
}
.vfb1-footer-inner { max-width: var(--vfb1-maxw); margin: 0 auto; }
.vfb1-footer-brand {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 8px;
}
.vfb1-footer-brand img { width: 28px; height: 28px; border-radius: 6px; }
.vfb1-footer-brand strong { font-size: 1.6rem; color: var(--vfb1-text); }
.vfb1-footer-desc { color: var(--vfb1-muted); font-size: 1.25rem; margin-bottom: 12px; line-height: 1.6rem; }
.vfb1-footer-links {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 12px;
}
.vfb1-footer-links a {
  background: var(--vfb1-bg-3);
  color: var(--vfb1-text);
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 1.15rem;
  border: 1px solid var(--vfb1-border);
}
.vfb1-footer-links a:hover { color: var(--vfb1-sand); border-color: var(--vfb1-primary); }
.vfb1-footer-promos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}
.vfb1-footer-promos .vfb1-btn { padding: 8px; font-size: 1.2rem; min-height: 34px; }
.vfb1-footer-copy {
  text-align: center;
  font-size: 1.1rem;
  color: var(--vfb1-muted);
  border-top: 1px solid var(--vfb1-border);
  padding-top: 10px;
}

/* ===================== Mobile bottom nav ===================== */
.vfb1-bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 62px;
  background: linear-gradient(180deg, #1a1a1a, #0c0c0c);
  border-top: 1px solid var(--vfb1-border);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  z-index: 1000;
  padding-bottom: env(safe-area-inset-bottom);
}
.vfb1-navbtn {
  flex: 1;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: none;
  color: var(--vfb1-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  padding: 4px 2px;
  position: relative;
  transition: color .2s ease, transform .15s ease;
}
.vfb1-navbtn:active { transform: scale(.92); }
.vfb1-navbtn i, .vfb1-navbtn .material-icons-outlined,
.vfb1-navbtn ion-icon { font-size: 22px; }
.vfb1-navbtn span { font-size: 1.05rem; font-weight: 500; }
.vfb1-navbtn-current { color: var(--vfb1-primary); }
.vfb1-navbtn-current::before {
  content: '';
  position: absolute;
  top: 0; left: 28%; right: 28%;
  height: 3px;
  background: var(--vfb1-primary);
  border-radius: 0 0 4px 4px;
}
.vfb1-navbtn-promo {
  color: var(--vfb1-sand);
}
.vfb1-nav-badge {
  position: absolute;
  top: 6px; right: 18px;
  background: var(--vfb1-primary);
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 8px;
}

/* ===================== Desktop / wider screens ===================== */
@media (min-width: 769px) {
  .vfb1-bottom-nav { display: none; }
  .vfb1-header-actions .vfb1-btn { padding: 0 18px; font-size: 1.5rem; }
  main.vfb1-main { padding-bottom: 40px; }
  .vfb1-slide img { height: 280px; }
  .vfb1-game-grid { grid-template-columns: repeat(6, 1fr); }
}

/* Mobile bottom padding so content is never hidden behind nav */
@media (max-width: 768px) {
  main.vfb1-main { padding-bottom: 90px; }
}