/* =========================================================================
   1777-bet — site styles
   Palette: deep burgundy + champagne gold + warm cream.
   Display: Marcellus (refined humanist serif).
   Body: DM Sans (geometric, neutral).
   BN: Hind Siliguri (clean Bengali sans, distinct from Tiro Bangla used by TKPK).
   Aesthetic: casino lounge / blackjack table — warm, sophisticated.
   ========================================================================= */

:root {
  --bb-night: #1A0A0F;          /* deepest burgundy-black */
  --bb-night-2: #29111A;        /* surface */
  --bb-night-3: #3A1825;        /* card surface */
  --bb-night-4: #4A2032;        /* raised */
  --bb-burgundy: #8B1538;       /* primary accent — wine red */
  --bb-burgundy-bright: #C72D5A;
  --bb-burgundy-deep: #5C0F26;
  --bb-gold: #D4A256;           /* champagne gold (matches logo) */
  --bb-gold-bright: #F0C57E;
  --bb-gold-deep: #A07628;
  --bb-cream: #F5E9D6;          /* warm primary text */
  --bb-cream-soft: #E8D9BC;
  --bb-ivory: #FFFFFF;
  --bb-mute: #B59A85;            /* warm muted text */
  --bb-mute-2: #7A6555;
  --bb-line: rgba(212,162,86,.14);
  --bb-line-2: rgba(245,233,214,.10);
  --bb-line-3: rgba(139,21,56,.20);
  --bb-emerald: #2D7A4D;          /* secondary — money green for accents */

  --bb-r-sm: 3px;                 /* sharper edges than TKPK/AK4444 */
  --bb-r-md: 8px;
  --bb-r-lg: 14px;
  --bb-r-pill: 999px;

  --bb-glow-gold: 0 0 0 1px rgba(212,162,86,.4), 0 0 20px rgba(212,162,86,.4), 0 12px 32px -8px rgba(212,162,86,.45);
  --bb-glow-burgundy: 0 0 0 1px rgba(139,21,56,.5), 0 0 22px rgba(139,21,56,.4), 0 12px 30px -8px rgba(139,21,56,.5);
  --bb-shadow-card: 0 16px 44px -14px rgba(0,0,0,.75);

  --bb-font-display: "Marcellus", "Playfair Display", "Georgia", serif;
  --bb-font-body: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bb-font-bn: "Hind Siliguri", "Noto Sans Bengali", system-ui, sans-serif;

  --bb-w: 1200px;
  --bb-pad: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--bb-font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--bb-cream);
  background: var(--bb-night);
  background-image:
    radial-gradient(ellipse 1100px 600px at 70% 0%, rgba(212,162,86,.16), transparent 65%),
    radial-gradient(ellipse 900px 700px at 10% 50%, rgba(139,21,56,.14), transparent 60%),
    radial-gradient(ellipse 800px 500px at 50% 110%, rgba(212,162,86,.06), transparent 65%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
body[lang|="bn"] { font-family: var(--bb-font-bn); font-size: 17px; line-height: 1.78; }
body[lang|="bn"] h1, body[lang|="bn"] h2, body[lang|="bn"] h3, body[lang|="bn"] h4 {
  font-family: var(--bb-font-bn); letter-spacing: 0;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--bb-gold); text-decoration: none; transition: color .18s; }
a:hover { color: var(--bb-gold-bright); }

h1, h2, h3, h4 {
  font-family: var(--bb-font-display);
  font-weight: 400;
  letter-spacing: 0;
  color: var(--bb-ivory);
  margin: 0 0 .55em;
  line-height: 1.18;
}
body[lang|="bn"] h1, body[lang|="bn"] h2, body[lang|="bn"] h3, body[lang|="bn"] h4 {
  font-weight: 700;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: 1.32rem; }
p  { margin: 0 0 1em; }

/* =========================================================================
   Layout
   ========================================================================= */
.bb-wrap { max-width: var(--bb-w); margin: 0 auto; padding: 0 var(--bb-pad); }
.bb-section { padding: 64px 0; position: relative; }
.bb-section--tight { padding: 44px 0; }
.bb-section--intro { padding: 36px 0 24px; }
@media (max-width: 720px) { .bb-section { padding: 48px 0; } }

.bb-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--bb-font-body);
  font-size: .76rem; font-weight: 700;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--bb-gold);
  background: rgba(212,162,86,.08);
  border: 1px solid rgba(212,162,86,.28);
  padding: 7px 16px; border-radius: var(--bb-r-pill);
  margin-bottom: 16px;
}
body[lang|="bn"] .bb-eyebrow { font-family: var(--bb-font-bn); font-weight: 600; letter-spacing: .04em; text-transform: none; }
.bb-eyebrow--burgundy { color: var(--bb-burgundy-bright); background: rgba(199,45,90,.10); border-color: rgba(199,45,90,.32); }
.bb-eyebrow--cream { color: var(--bb-cream); background: rgba(245,233,214,.06); border-color: rgba(245,233,214,.18); }

/* =========================================================================
   Header — different from prev: thin gold rule under nav, ornate underlines
   ========================================================================= */
.bb-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(26,10,15,.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--bb-line-2);
  position: relative;
}
.bb-header::after {
  content: "";
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bb-gold) 50%, transparent);
  opacity: .4;
}
.bb-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.bb-brandmark {
  display: inline-flex; align-items: center;
  flex-shrink: 0;
  transition: opacity .2s;
}
.bb-brandmark:hover { opacity: .85; }
.bb-brandmark img {
  height: 44px; width: auto; display: block;
}
@media (max-width: 480px) { .bb-brandmark img { height: 34px; } }

.bb-mainnav {
  display: flex; align-items: center; gap: 2px;
  margin: 0 auto 0 18px;
}
.bb-mainnav a {
  display: inline-flex; align-items: center;
  padding: 8px 12px;
  font-family: var(--bb-font-body); font-weight: 500; font-size: .92rem;
  letter-spacing: .02em;
  color: var(--bb-cream);
  border-radius: var(--bb-r-sm);
  transition: all .18s;
  position: relative;
}
body[lang|="bn"] .bb-mainnav a { font-family: var(--bb-font-bn); font-weight: 600; }
.bb-mainnav a:hover { color: var(--bb-gold); }
.bb-mainnav a[aria-current="true"] { color: var(--bb-gold); }
.bb-mainnav a[aria-current="true"]::after {
  content: "";
  position: absolute; bottom: -4px; left: 12px; right: 12px;
  height: 2px;
  background: var(--bb-gold);
  box-shadow: 0 0 8px var(--bb-gold);
}

.bb-header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.bb-burger {
  display: none;
  background: rgba(245,233,214,.05);
  border: 1px solid var(--bb-line-2);
  width: 38px; height: 38px;
  border-radius: 8px;
  align-items: center; justify-content: center;
  cursor: pointer; padding: 0;
}
.bb-burger span {
  display: block; width: 18px; height: 2px;
  background: var(--bb-cream);
  position: relative;
  transition: all .25s;
}
.bb-burger span::before, .bb-burger span::after {
  content: ""; position: absolute; left: 0;
  width: 18px; height: 2px;
  background: var(--bb-cream);
  transition: all .25s;
}
.bb-burger span::before { top: -6px; }
.bb-burger span::after { top: 6px; }
body.bb-menu-open .bb-burger span { background: transparent; }
body.bb-menu-open .bb-burger span::before { top: 0; transform: rotate(45deg); }
body.bb-menu-open .bb-burger span::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 980px) {
  .bb-mainnav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    gap: 6px;
    padding: 18px var(--bb-pad) 24px;
    margin: 0;
    background: var(--bb-night);
    border-bottom: 1px solid var(--bb-line-2);
    box-shadow: 0 18px 40px -10px rgba(0,0,0,.7);
    transform: translateY(-110%);
    transition: transform .3s ease, opacity .3s ease;
    opacity: 0;
    pointer-events: none;
    z-index: 90;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  body.bb-menu-open .bb-mainnav {
    transform: translateY(0); opacity: 1; pointer-events: auto;
  }
  .bb-mainnav a {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--bb-r-md);
    font-size: 1rem;
    background: rgba(245,233,214,.03);
  }
  .bb-mainnav a[aria-current="true"] { background: rgba(212,162,86,.12); }
  .bb-mainnav a[aria-current="true"]::after { display: none; }
  .bb-burger { display: inline-flex; }
  body.bb-menu-open::before {
    content: "";
    position: fixed;
    top: 72px; left: 0; right: 0; bottom: 0;
    background: rgba(26,10,15,.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 80;
  }
  body.bb-menu-open { overflow: hidden; }
}

.bb-lang { position: relative; }
.bb-lang-trigger {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(245,233,214,.05);
  border: 1px solid var(--bb-line-2);
  color: var(--bb-cream);
  padding: 8px 12px;
  border-radius: var(--bb-r-sm);
  font-family: var(--bb-font-body); font-weight: 500; font-size: .88rem;
  cursor: pointer;
}
body[lang|="bn"] .bb-lang-trigger { font-family: var(--bb-font-bn); font-weight: 600; }
.bb-lang-trigger:hover { background: rgba(245,233,214,.1); color: var(--bb-gold); }
.bb-lang-trigger::after { content: "▾"; font-size: .65rem; margin-left: 2px; transition: transform .2s; }
.bb-lang.is-open .bb-lang-trigger::after { transform: rotate(180deg); }
.bb-lang-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 156px;
  background: var(--bb-night-2);
  border: 1px solid var(--bb-line-2);
  border-radius: var(--bb-r-md);
  box-shadow: var(--bb-shadow-card);
  padding: 6px; display: none;
}
.bb-lang.is-open .bb-lang-menu { display: block; }
.bb-lang-menu a {
  display: block; padding: 9px 14px;
  color: var(--bb-cream); font-size: .9rem;
  border-radius: 6px;
}
.bb-lang-menu a:hover { background: rgba(212,162,86,.12); color: var(--bb-gold); }
.bb-lang-menu a[aria-current="true"] { color: var(--bb-gold); }

/* =========================================================================
   Buttons — gold gradient with subtle gloss
   ========================================================================= */
.bb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--bb-font-body); font-weight: 600; font-size: .98rem;
  letter-spacing: .02em;
  padding: 13px 26px;
  border-radius: var(--bb-r-sm);
  border: 0; cursor: pointer; text-decoration: none;
  transition: transform .18s, box-shadow .22s, background .22s, filter .22s;
  white-space: nowrap;
  position: relative;
}
body[lang|="bn"] .bb-btn { font-family: var(--bb-font-bn); font-weight: 700; font-size: .94rem; }
.bb-btn:hover { transform: translateY(-1px); }

.bb-btn--primary {
  background: linear-gradient(135deg, var(--bb-gold-bright) 0%, var(--bb-gold) 50%, var(--bb-gold-deep) 100%);
  color: var(--bb-night);
  box-shadow: var(--bb-glow-gold);
}
.bb-btn--primary:hover { filter: brightness(1.07); color: var(--bb-night); }

.bb-btn--burgundy {
  background: linear-gradient(135deg, var(--bb-burgundy-bright) 0%, var(--bb-burgundy) 100%);
  color: var(--bb-ivory);
  box-shadow: var(--bb-glow-burgundy);
}
.bb-btn--burgundy:hover { color: var(--bb-ivory); filter: brightness(1.05); }

.bb-btn--ghost {
  background: rgba(245,233,214,.04);
  color: var(--bb-cream);
  border: 1px solid var(--bb-line-2);
}
.bb-btn--ghost:hover {
  background: rgba(212,162,86,.08);
  border-color: var(--bb-gold);
  color: var(--bb-gold);
}

.bb-btn--lg { padding: 16px 32px; font-size: 1.06rem; }
.bb-btn--sm { padding: 8px 16px; font-size: .86rem; }

/* =========================================================================
   Hero
   ========================================================================= */
.bb-hero {
  padding: 56px 0 36px;
  position: relative; overflow: hidden;
}
.bb-hero-grid {
  display: grid; grid-template-columns: 1.05fr 1fr;
  gap: 48px; align-items: center;
  position: relative; z-index: 1;
}
@media (max-width: 920px) { .bb-hero-grid { grid-template-columns: 1fr; gap: 32px; } }

.bb-hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 3.8rem);
  margin-bottom: 18px;
}
.bb-hero h1 .bb-brand-glow {
  color: var(--bb-gold);
  text-shadow: 0 0 28px rgba(212,162,86,.5);
}
.bb-hero-lead {
  font-size: clamp(1.04rem, 1.9vw, 1.16rem);
  color: var(--bb-cream);
  opacity: .94;
  max-width: 540px; margin-bottom: 24px;
}

.bb-hero-meta {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 24px;
  font-size: .9rem; color: var(--bb-mute);
}
.bb-hero-meta-item {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  background: rgba(245,233,214,.04);
  border: 1px solid var(--bb-line-2);
  border-radius: var(--bb-r-sm);
}
.bb-hero-meta-item strong { color: var(--bb-ivory); font-weight: 600; }
.bb-hero-meta-item .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--bb-gold-bright);
  box-shadow: 0 0 12px var(--bb-gold-bright);
  animation: bb-pulse 1.6s ease-in-out infinite;
}
@keyframes bb-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }

.bb-hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }

.bb-hero-art {
  position: relative;
  border-radius: var(--bb-r-lg);
  overflow: hidden;
  box-shadow: var(--bb-shadow-card);
  border: 1px solid rgba(212,162,86,.18);
}
.bb-hero-art a { display: block; }
.bb-hero-art img { width: 100%; display: block; transition: transform .5s ease; }
.bb-hero-art:hover img { transform: scale(1.02); }

/* =========================================================================
   Trust grid
   ========================================================================= */
.bb-trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 920px) { .bb-trust-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .bb-trust-grid { grid-template-columns: 1fr; } }

.bb-trust-card {
  background: linear-gradient(180deg, var(--bb-night-3) 0%, var(--bb-night-2) 100%);
  border: 1px solid var(--bb-line-2);
  border-radius: var(--bb-r-md);
  padding: 24px 22px;
  position: relative;
  transition: transform .25s, border-color .25s;
}
.bb-trust-card:hover {
  transform: translateY(-3px);
  border-color: rgba(212,162,86,.4);
  box-shadow: 0 0 28px rgba(212,162,86,.14);
}
.bb-trust-icon {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(139,21,56,.18);
  border: 1px solid rgba(139,21,56,.4);
  color: var(--bb-burgundy-bright);
  border-radius: 9px;
  margin-bottom: 14px;
}
.bb-trust-icon svg { width: 22px; height: 22px; }
.bb-trust-card--gold .bb-trust-icon { background: rgba(212,162,86,.14); border-color: rgba(212,162,86,.4); color: var(--bb-gold); }
.bb-trust-card h3 { font-size: 1.12rem; margin-bottom: 6px; color: var(--bb-ivory); }
.bb-trust-card p { font-size: .92rem; color: var(--bb-mute); margin: 0; line-height: 1.55; }

/* =========================================================================
   Promo banners
   ========================================================================= */
.bb-promo {
  position: relative;
  border-radius: var(--bb-r-lg);
  overflow: hidden;
  margin: 22px 0;
  border: 1px solid rgba(212,162,86,.15);
  box-shadow: var(--bb-shadow-card);
  display: block;
  isolation: isolate;
}
.bb-promo img {
  width: 100%; height: auto; display: block;
  transition: transform .5s ease;
}
.bb-promo:hover img { transform: scale(1.02); }
.bb-promo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(26,10,15,.3) 100%);
  pointer-events: none;
}
.bb-promo-cta {
  position: absolute;
  bottom: 18px; right: 18px;
  z-index: 2;
  background: linear-gradient(135deg, var(--bb-gold-bright) 0%, var(--bb-gold) 100%);
  color: var(--bb-night);
  padding: 11px 22px;
  border-radius: var(--bb-r-sm);
  font-family: var(--bb-font-body); font-weight: 700; font-size: .94rem;
  text-decoration: none;
  transition: all .2s;
  box-shadow: var(--bb-glow-gold);
}
body[lang|="bn"] .bb-promo-cta { font-family: var(--bb-font-bn); font-weight: 700; }
.bb-promo-cta:hover { filter: brightness(1.07); color: var(--bb-night); }
@media (max-width: 480px) {
  .bb-promo-cta { bottom: 12px; right: 12px; padding: 8px 16px; font-size: .82rem; }
}

.bb-promo-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 22px 0;
}
@media (max-width: 720px) { .bb-promo-grid { grid-template-columns: 1fr; gap: 14px; } }
.bb-promo-grid .bb-promo { margin: 0; }

/* =========================================================================
   Payment chips
   ========================================================================= */
.bb-paystrip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
  gap: 12px;
  margin: 18px 0;
}
.bb-pay {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  background: var(--bb-night-3);
  border: 1px solid var(--bb-line-2);
  border-radius: var(--bb-r-md);
  transition: border-color .2s, background .2s;
}
.bb-pay:hover { border-color: var(--bb-gold); background: var(--bb-night-4); }
.bb-pay-logo {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 7px;
  font-family: var(--bb-font-body); font-weight: 700; font-size: .85rem;
  color: #fff; flex-shrink: 0;
}
.bb-pay-bkash { background: linear-gradient(135deg, #E2136E, #B30E5A); }
.bb-pay-nagad { background: linear-gradient(135deg, #EE3A39, #B82E2E); }
.bb-pay-rocket { background: linear-gradient(135deg, #8C3494, #5E2466); }
.bb-pay-upay { background: linear-gradient(135deg, #FFC04A, #E89E1B); color: var(--bb-night); }
.bb-pay-dbbl { background: linear-gradient(135deg, #003478, #002255); }
.bb-pay-brac { background: linear-gradient(135deg, #1A8246, #115C32); }
.bb-pay-visa { background: #1A1F71; }
.bb-pay-mc { background: #fff; color: #EB001B; }
.bb-pay-usdt { background: linear-gradient(135deg, #26A17B, #1B7257); }
.bb-pay-info { font-size: .82rem; line-height: 1.3; }
.bb-pay-info strong { display: block; color: var(--bb-ivory); font-weight: 600; font-size: .94rem; }
.bb-pay-info span { color: var(--bb-mute); }

/* =========================================================================
   Game tiles
   ========================================================================= */
.bb-games {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px; margin: 22px 0;
}
.bb-game {
  background: var(--bb-night-3);
  border: 1px solid var(--bb-line-2);
  border-radius: var(--bb-r-md);
  text-align: center;
  transition: all .25s;
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.bb-game:hover {
  transform: translateY(-3px);
  border-color: var(--bb-gold);
  box-shadow: 0 0 24px rgba(212,162,86,.22);
}

.bb-game-art {
  position: relative;
  width: 100%; aspect-ratio: 16/10;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--bb-line-2);
  overflow: hidden;
}
.bb-game-art svg { width: 100%; height: 100%; display: block; }

.bb-game-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(26,10,15,.4) 0%, rgba(26,10,15,.85) 100%);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity .25s ease;
  z-index: 2;
}
.bb-game:hover .bb-game-overlay { opacity: 1; }
.bb-game-play {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--bb-gold-bright), var(--bb-gold));
  color: var(--bb-night);
  padding: 9px 22px;
  border-radius: var(--bb-r-sm);
  font-family: var(--bb-font-body); font-weight: 700; font-size: .92rem;
  text-decoration: none;
  box-shadow: var(--bb-glow-gold);
  transform: translateY(8px);
  transition: transform .3s ease;
}
body[lang|="bn"] .bb-game-play { font-family: var(--bb-font-bn); font-weight: 700; }
.bb-game:hover .bb-game-play { transform: translateY(0); }
.bb-game-play::before { content: "▶"; font-size: .68rem; }

@media (hover: none) {
  .bb-game-overlay {
    opacity: 1;
    background: linear-gradient(180deg, transparent 40%, rgba(26,10,15,.92) 100%);
    align-items: flex-end;
    padding: 0 0 12px;
  }
  .bb-game-play { transform: none; padding: 7px 18px; font-size: .82rem; }
}

.bb-game-meta { padding: 14px 14px 16px; }
.bb-game-name {
  font-family: var(--bb-font-display); font-weight: 400; font-size: 1.1rem;
  color: var(--bb-ivory); margin-bottom: 3px;
}
body[lang|="bn"] .bb-game-name { font-family: var(--bb-font-bn); font-weight: 700; font-size: 1rem; }
.bb-game-tag { font-size: .78rem; color: var(--bb-gold); }

.bb-art-bg-aviator { background: linear-gradient(180deg, #2a0815 0%, #14040a 100%); }
.bb-art-bg-jili { background: linear-gradient(180deg, #2a1808 0%, #140a04 100%); }
.bb-art-bg-mines { background: linear-gradient(180deg, #1f0c2a 0%, #0a0418 100%); }
.bb-art-bg-plinko { background: linear-gradient(180deg, #122e0c 0%, #051a04 100%); }
.bb-art-bg-dragon { background: linear-gradient(180deg, #2e150c 0%, #180806 100%); }
.bb-art-bg-cricket { background: linear-gradient(180deg, #0f3a18 0%, #061a08 100%); }
.bb-art-bg-andar { background: linear-gradient(180deg, #2e1f0a 0%, #180f04 100%); }
.bb-art-bg-superace { background: linear-gradient(180deg, #1f0c2a 0%, #0a0418 100%); }
.bb-art-bg-roulette { background: linear-gradient(180deg, #2a0c14 0%, #14060a 100%); }
.bb-art-bg-fortune { background: linear-gradient(180deg, #2e2208 0%, #181104 100%); }
.bb-art-bg-bigwin { background: linear-gradient(180deg, #2e1a08 0%, #180c04 100%); }
.bb-art-bg-baccarat { background: linear-gradient(180deg, #0a2820 0%, #051410 100%); }

/* =========================================================================
   Bonus block — gold-burgundy gradient
   ========================================================================= */
.bb-bonus {
  background:
    linear-gradient(135deg, rgba(212,162,86,.14), rgba(139,21,56,.10)),
    var(--bb-night-2);
  border: 1px solid rgba(212,162,86,.32);
  border-radius: var(--bb-r-lg);
  padding: 38px;
  position: relative;
  overflow: hidden;
}
@media (max-width: 720px) { .bb-bonus { padding: 26px 22px; } }
.bb-bonus::before {
  content: ""; position: absolute; top: -80px; right: -80px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(212,162,86,.22) 0%, transparent 70%);
  pointer-events: none;
}
.bb-bonus-eyebrow {
  font-family: var(--bb-font-body); font-size: .82rem; font-weight: 700;
  color: var(--bb-gold); letter-spacing: .26em; text-transform: uppercase;
  margin-bottom: 8px;
}
body[lang|="bn"] .bb-bonus-eyebrow { font-family: var(--bb-font-bn); font-weight: 600; letter-spacing: .04em; text-transform: none; }
.bb-bonus h2 { margin-bottom: 14px; }
.bb-bonus p { color: var(--bb-cream); opacity: .92; max-width: 660px; }

/* =========================================================================
   Steps
   ========================================================================= */
.bb-steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 720px) { .bb-steps { grid-template-columns: 1fr; } }
.bb-step {
  background: var(--bb-night-2);
  border: 1px solid var(--bb-line-2);
  border-radius: var(--bb-r-md);
  padding: 26px 22px;
  position: relative;
}
.bb-step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--bb-gold-bright), var(--bb-gold));
  color: var(--bb-night);
  border-radius: 50%;
  font-family: var(--bb-font-display); font-weight: 400; font-size: 1.2rem;
  margin-bottom: 14px;
  box-shadow: 0 0 16px rgba(212,162,86,.4);
}
body[lang|="bn"] .bb-step-num { font-family: var(--bb-font-bn); font-weight: 700; }
.bb-step h3 { font-size: 1.15rem; margin-bottom: 6px; }
.bb-step p { font-size: .92rem; color: var(--bb-mute); margin: 0; line-height: 1.55; }

/* =========================================================================
   Login / Register form
   ========================================================================= */
.bb-form-wrap {
  background: var(--bb-night-2);
  border: 1px solid rgba(212,162,86,.18);
  border-radius: var(--bb-r-lg);
  padding: 34px 32px;
  max-width: 460px;
  margin: 0 auto;
  box-shadow: var(--bb-shadow-card);
  position: relative;
}
.bb-form-wrap::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--bb-gold) 50%, transparent);
  border-radius: var(--bb-r-lg) var(--bb-r-lg) 0 0;
  opacity: .8;
}
@media (max-width: 480px) { .bb-form-wrap { padding: 26px 22px; } }
.bb-form-wrap h2 {
  text-align: center; margin-bottom: 6px;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
}
.bb-form-sub {
  text-align: center; color: var(--bb-mute);
  font-size: .94rem; margin-bottom: 24px;
}
.bb-form { display: flex; flex-direction: column; gap: 14px; }
.bb-field { display: flex; flex-direction: column; gap: 6px; }
.bb-field label {
  font-size: .84rem; font-weight: 600;
  color: var(--bb-cream); letter-spacing: .02em;
}
.bb-field input {
  background: var(--bb-night-3);
  border: 1px solid var(--bb-line-2);
  color: var(--bb-ivory);
  padding: 12px 14px;
  border-radius: var(--bb-r-sm);
  font-family: var(--bb-font-body); font-size: 1rem;
  transition: border-color .18s, background .18s;
}
body[lang|="bn"] .bb-field input { font-family: var(--bb-font-bn); }
.bb-field input:focus {
  outline: none;
  border-color: var(--bb-gold);
  background: var(--bb-night-4);
}
.bb-form-row {
  display: flex; align-items: center; justify-content: space-between;
  font-size: .88rem;
  flex-wrap: wrap; gap: 8px;
}
.bb-form-row a { color: var(--bb-gold); }
.bb-form-aux {
  text-align: center; font-size: .92rem; margin-top: 18px; color: var(--bb-mute);
}
.bb-form-aux a { color: var(--bb-gold); font-weight: 600; }

/* =========================================================================
   VIP tiers
   ========================================================================= */
.bb-vip-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px; margin: 22px 0;
}
.bb-vip-tier {
  background: var(--bb-night-2);
  border: 1px solid var(--bb-line-2);
  border-radius: var(--bb-r-md);
  padding: 24px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform .25s, border-color .25s;
}
.bb-vip-tier:hover { transform: translateY(-3px); border-color: var(--bb-gold); }
.bb-vip-tier::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
}
.bb-vip-tier--bronze::before { background: linear-gradient(90deg, #B87333, #8B5A2B); }
.bb-vip-tier--silver::before { background: linear-gradient(90deg, #C0C0C0, #888); }
.bb-vip-tier--gold::before { background: linear-gradient(90deg, var(--bb-gold-bright), var(--bb-gold)); box-shadow: 0 0 12px var(--bb-gold); }
.bb-vip-tier--platinum::before { background: linear-gradient(90deg, #E5E4E2, #B5B5B5); }
.bb-vip-tier--diamond::before { background: linear-gradient(90deg, #B9F2FF, #7DCEDC); box-shadow: 0 0 12px #B9F2FF; }
.bb-vip-tier--royal::before { background: linear-gradient(90deg, var(--bb-burgundy-bright), var(--bb-burgundy)); box-shadow: 0 0 12px var(--bb-burgundy); }

.bb-vip-name {
  font-family: var(--bb-font-display); font-size: 1.4rem;
  color: var(--bb-ivory); margin-bottom: 6px; font-weight: 400;
}
body[lang|="bn"] .bb-vip-name { font-family: var(--bb-font-bn); font-weight: 700; }
.bb-vip-cashback {
  font-family: var(--bb-font-display); font-size: 1.85rem;
  color: var(--bb-gold);
  font-weight: 400;
  margin-bottom: 4px;
}
body[lang|="bn"] .bb-vip-cashback { font-family: var(--bb-font-bn); font-weight: 700; }
.bb-vip-req { font-size: .82rem; color: var(--bb-mute); }

/* =========================================================================
   FAQ
   ========================================================================= */
.bb-faq { display: flex; flex-direction: column; gap: 10px; }
.bb-faq-item {
  background: var(--bb-night-2);
  border: 1px solid var(--bb-line-2);
  border-radius: var(--bb-r-md);
  overflow: hidden;
  transition: border-color .2s;
}
.bb-faq-item.is-open { border-color: var(--bb-gold); }
.bb-faq-q {
  width: 100%;
  background: transparent; border: 0; cursor: pointer;
  text-align: left;
  padding: 18px 22px;
  font-family: var(--bb-font-display); font-weight: 400; font-size: 1.1rem;
  color: var(--bb-ivory);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
body[lang|="bn"] .bb-faq-q { font-family: var(--bb-font-bn); font-weight: 700; font-size: 1rem; }
.bb-faq-q::after {
  content: "+"; font-size: 1.5rem; font-weight: 300;
  color: var(--bb-gold);
  transition: transform .25s;
  flex-shrink: 0;
}
.bb-faq-item.is-open .bb-faq-q::after { transform: rotate(45deg); }
.bb-faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease-in-out; }
.bb-faq-item.is-open .bb-faq-a { max-height: 700px; }
.bb-faq-a-inner {
  padding: 0 22px 20px;
  color: var(--bb-mute);
  font-size: .96rem; line-height: 1.65;
}
.bb-faq-a-inner p:last-child { margin-bottom: 0; }

/* =========================================================================
   Tables
   ========================================================================= */
.bb-table-wrap { overflow-x: auto; margin: 22px 0; border-radius: var(--bb-r-md); border: 1px solid var(--bb-line-2); }
.bb-table { width: 100%; border-collapse: collapse; background: var(--bb-night-2); font-size: .92rem; }
.bb-table th {
  background: var(--bb-night-3);
  color: var(--bb-gold);
  font-family: var(--bb-font-display); font-weight: 400;
  text-align: left; padding: 14px 18px;
  font-size: .85rem; letter-spacing: .04em;
  border-bottom: 1px solid var(--bb-line-2);
}
body[lang|="bn"] .bb-table th { font-family: var(--bb-font-bn); font-weight: 700; }
.bb-table td { padding: 14px 18px; border-bottom: 1px solid var(--bb-line-2); color: var(--bb-cream); vertical-align: top; }
.bb-table tr:last-child td { border-bottom: 0; }

/* =========================================================================
   App page
   ========================================================================= */
.bb-app-hero {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; align-items: center;
}
@media (max-width: 920px) { .bb-app-hero { grid-template-columns: 1fr; } }
.bb-app-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 18px; margin: 18px 0; }
.bb-app-meta dt { font-size: .76rem; color: var(--bb-mute); letter-spacing: .04em; }
.bb-app-meta dd { margin: 0; color: var(--bb-ivory); font-family: var(--bb-font-display); font-weight: 400; font-size: 1rem; }
body[lang|="bn"] .bb-app-meta dd { font-family: var(--bb-font-bn); font-weight: 700; }
.bb-stars { color: var(--bb-gold); letter-spacing: .08em; font-size: 1rem; margin-right: 6px; }

/* =========================================================================
   Read-more
   ========================================================================= */
.bb-readmore { position: relative; margin: 24px 0; }
.bb-readmore-content {
  max-height: 280px; overflow: hidden; position: relative;
  transition: max-height .5s ease-out;
}
.bb-readmore.is-open .bb-readmore-content { max-height: 8000px; transition: max-height 1.2s ease-in; }
.bb-readmore-content::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(180deg, transparent 0%, var(--bb-night) 90%);
  pointer-events: none;
  transition: opacity .3s;
}
.bb-readmore.is-open .bb-readmore-content::after { opacity: 0; }
.bb-readmore-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(212,162,86,.08);
  border: 1px solid rgba(212,162,86,.32);
  color: var(--bb-gold);
  padding: 11px 22px;
  border-radius: var(--bb-r-sm);
  font-family: var(--bb-font-body); font-weight: 600; font-size: .94rem;
  cursor: pointer; margin-top: 14px;
  transition: all .2s;
}
body[lang|="bn"] .bb-readmore-toggle { font-family: var(--bb-font-bn); font-weight: 600; }
.bb-readmore-toggle:hover { background: rgba(212,162,86,.16); border-color: var(--bb-gold); }
.bb-readmore-toggle::after { content: "▾"; transition: transform .25s; font-size: .9rem; }
.bb-readmore.is-open .bb-readmore-toggle::after { transform: rotate(180deg); }
.bb-readmore-toggle .label-open { display: none; }
.bb-readmore.is-open .bb-readmore-toggle .label-open { display: inline; }
.bb-readmore.is-open .bb-readmore-toggle .label-closed { display: none; }
.bb-readmore-content h3 { margin-top: 26px; margin-bottom: 8px; font-size: 1.25rem; color: var(--bb-gold); }
.bb-readmore-content h3:first-child { margin-top: 0; }
.bb-readmore-content h4 { margin-top: 20px; margin-bottom: 6px; font-size: 1.05rem; color: var(--bb-ivory); }
.bb-readmore-content ul, .bb-readmore-content ol { padding-left: 22px; line-height: 1.75; }
.bb-readmore-content li { margin-bottom: 6px; }

/* =========================================================================
   Footer
   ========================================================================= */
.bb-footer {
  background: #0E0508;
  border-top: 1px solid var(--bb-line-2);
  padding: 48px 0 22px;
  font-size: .9rem;
  color: var(--bb-mute);
  position: relative;
}
.bb-footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--bb-gold) 50%, transparent);
  opacity: .3;
}
.bb-footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 28px;
}
@media (max-width: 720px) {
  .bb-footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .bb-footer-grid > div:first-child { grid-column: 1 / -1; }
}
.bb-footer h4 {
  font-size: .82rem; color: var(--bb-ivory);
  letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px;
  font-family: var(--bb-font-body); font-weight: 700;
}
body[lang|="bn"] .bb-footer h4 { font-family: var(--bb-font-bn); letter-spacing: .02em; text-transform: none; }
.bb-footer ul { list-style: none; padding: 0; margin: 0; }
.bb-footer li { margin-bottom: 8px; }
.bb-footer a { color: var(--bb-mute); }
.bb-footer a:hover { color: var(--bb-gold); }
.bb-footer-brand p { font-size: .86rem; line-height: 1.6; max-width: 380px; }

.bb-rg-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 13px;
  background: rgba(212,162,86,.08);
  border: 1px solid rgba(212,162,86,.3);
  color: var(--bb-gold);
  border-radius: var(--bb-r-sm);
  font-family: var(--bb-font-body); font-weight: 600; font-size: .82rem;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
body[lang|="bn"] .bb-rg-badge { font-family: var(--bb-font-bn); font-weight: 600; }

.bb-footer-bottom {
  border-top: 1px solid var(--bb-line-2);
  padding-top: 22px;
  text-align: center;
  font-size: .82rem; color: var(--bb-mute-2);
}
.bb-footer-bottom p { margin: 0 0 6px; }

/* =========================================================================
   Reveal
   ========================================================================= */
[data-reveal] {
  opacity: 0; transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 480px) {
  :root { --bb-pad: 16px; }
  .bb-btn { padding: 12px 20px; font-size: .94rem; }
  .bb-bonus { border-radius: var(--bb-r-md); }
}