/* 888bet casino - design.css
   Mobile-first styling. All custom classes use the gc15- prefix.
   Palette: #E65100 | #34495E | #696969 | #FFD700 | #FF9500
   Dark = background, light = text. Comments in English.
*/
:root {
  --gc15-primary: #E65100;
  --gc15-secondary: #34495E;
  --gc15-muted: #696969;
  --gc15-gold: #FFD700;
  --gc15-amber: #FF9500;
  --gc15-bg: #1a242f;
  --gc15-bg-soft: #243447;
  --gc15-bg-card: #2b3b4e;
  --gc15-text: #f5f6f7;
  --gc15-text-soft: #c7d0d9;
  --gc15-border: rgba(255, 215, 0, 0.18);
  --gc15-radius: 1.2rem;
  --gc15-radius-sm: 0.8rem;
  --gc15-shadow: 0 0.4rem 1.4rem rgba(0, 0, 0, 0.45);
  --gc15-header-h: 6rem;
  --gc15-bottomnav-h: 6.2rem;
}

* { 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(--gc15-bg);
  color: var(--gc15-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--gc15-gold); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout containers */
.gc15-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.gc15-wrapper { min-height: 100vh; display: flex; flex-direction: column; }
.gc15-main { flex: 1; padding-top: var(--gc15-header-h); }

/* Header */
.gc15-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(135deg, var(--gc15-secondary), #1f2d3d);
  border-bottom: 0.2rem solid var(--gc15-primary);
  box-shadow: var(--gc15-shadow);
}
.gc15-header-inner {
  max-width: 430px; margin: 0 auto; height: var(--gc15-header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.2rem;
}
.gc15-logo { display: flex; align-items: center; gap: 0.8rem; }
.gc15-logo img { width: 3rem; height: 3rem; border-radius: 0.6rem; }
.gc15-logo-text {
  font-size: 1.7rem; font-weight: 800; color: var(--gc15-gold);
  letter-spacing: 0.03rem; line-height: 1;
}
.gc15-logo-text span { color: var(--gc15-amber); }
.gc15-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.gc15-menu-btn {
  background: transparent; border: 0.1rem solid var(--gc15-border);
  color: var(--gc15-text); width: 4rem; height: 4rem; border-radius: 0.8rem;
  font-size: 2rem; display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.gc15-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.8rem 1.2rem; border-radius: 0.9rem; font-weight: 700; font-size: 1.3rem;
  border: none; cursor: pointer; transition: transform 0.15s, filter 0.15s;
  min-height: 4rem; min-width: 4rem; text-decoration: none;
}
.gc15-btn:hover { transform: scale(1.04); text-decoration: none; }
.gc15-btn:active { transform: scale(0.97); }
.gc15-btn-register { background: linear-gradient(135deg, var(--gc15-primary), var(--gc15-amber)); color: #fff; }
.gc15-btn-login { background: var(--gc15-gold); color: #1a242f; }
.gc15-btn-promo { background: linear-gradient(135deg, var(--gc15-primary), var(--gc15-amber)); color: #fff; padding: 1rem 1.6rem; font-size: 1.4rem; }
.gc15-btn-ghost { background: transparent; border: 0.15rem solid var(--gc15-gold); color: var(--gc15-gold); }
.gc15-link-text { color: var(--gc15-gold); font-weight: 700; }

/* Mobile menu (expandable) */
.gc15-mobile-menu {
  position: fixed; top: var(--gc15-header-h); left: 0; right: 0; z-index: 9999;
  background: var(--gc15-bg-soft); border-bottom: 0.2rem solid var(--gc15-primary);
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
}
.gc15-mobile-menu.gc15-menu-open { max-height: 80vh; overflow-y: auto; }
.gc15-mobile-menu-inner { max-width: 430px; margin: 0 auto; padding: 1rem 1.2rem 1.6rem; }
.gc15-mobile-menu a {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 1.1rem 0.8rem; border-bottom: 0.1rem solid rgba(255,255,255,0.06);
  color: var(--gc15-text); font-size: 1.45rem; font-weight: 600;
}
.gc15-mobile-menu a i { color: var(--gc15-gold); width: 2.4rem; text-align: center; }

/* Carousel */
.gc15-carousel { position: relative; margin: 1.2rem 0; border-radius: var(--gc15-radius); overflow: hidden; box-shadow: var(--gc15-shadow); }
.gc15-carousel-viewport { overflow: hidden; border-radius: var(--gc15-radius); }
.gc15-carousel-track { display: flex; transition: transform 0.5s ease; }
.gc15-slide { min-width: 100%; position: relative; }
.gc15-slide img { width: 100%; height: 18rem; object-fit: cover; }
.gc15-slide-caption {
  position: absolute; left: 1rem; bottom: 1rem; right: 1rem;
  background: rgba(26, 36, 47, 0.72); padding: 0.8rem 1rem; border-radius: 0.8rem;
  font-size: 1.3rem; font-weight: 700; color: var(--gc15-gold);
}
.gc15-carousel-dots { display: flex; justify-content: center; gap: 0.5rem; padding: 0.8rem 0; }
.gc15-dot { width: 0.9rem; height: 0.9rem; border-radius: 50%; background: rgba(255,255,255,0.3); border: none; cursor: pointer; }
.gc15-dot.gc15-dot-active { background: var(--gc15-gold); }

/* Section + headings */
.gc15-section { margin: 2rem 0; }
.gc15-section-title {
  font-size: 2rem; font-weight: 800; color: var(--gc15-gold);
  margin-bottom: 1rem; padding-left: 0.8rem; border-left: 0.4rem solid var(--gc15-primary);
  line-height: 1.2;
}
.gc15-h1 { font-size: 2.2rem; font-weight: 800; color: var(--gc15-gold); line-height: 1.3; margin-bottom: 1rem; }
.gc15-lead { color: var(--gc15-text-soft); font-size: 1.4rem; margin-bottom: 1.2rem; }

/* Filter chips */
.gc15-filter-bar { display: flex; gap: 0.6rem; overflow-x: auto; padding: 0.4rem 0 1rem; }
.gc15-filter-chip {
  white-space: nowrap; padding: 0.6rem 1.2rem; border-radius: 2rem;
  background: var(--gc15-bg-card); color: var(--gc15-text-soft); font-size: 1.25rem; font-weight: 600;
  border: 0.1rem solid transparent; cursor: pointer; flex: 0 0 auto;
}
.gc15-filter-chip.gc15-chip-active { background: var(--gc15-primary); color: #fff; border-color: var(--gc15-gold); }

/* Game grid */
.gc15-game-section { margin: 1.6rem 0; }
.gc15-game-section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.8rem; }
.gc15-game-section-head h2 { font-size: 1.7rem; color: var(--gc15-gold); font-weight: 700; }
.gc15-game-section-head a { font-size: 1.2rem; color: var(--gc15-amber); }
.gc15-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
.gc15-game-card {
  background: var(--gc15-bg-card); border-radius: var(--gc15-radius-sm); overflow: hidden;
  border: 0.1rem solid var(--gc15-border); cursor: pointer; transition: transform 0.15s, border-color 0.15s;
}
.gc15-game-card:hover { transform: translateY(-0.3rem); border-color: var(--gc15-gold); text-decoration: none; }
.gc15-game-card img { width: 100%; height: 8rem; object-fit: cover; }
.gc15-game-card .gc15-game-name {
  padding: 0.5rem 0.4rem; font-size: 1.1rem; color: var(--gc15-text); text-align: center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600;
}

/* Info / feature blocks */
.gc15-card {
  background: var(--gc15-bg-card); border-radius: var(--gc15-radius); padding: 1.4rem;
  border: 0.1rem solid var(--gc15-border); box-shadow: var(--gc15-shadow); margin-bottom: 1.2rem;
}
.gc15-card h2, .gc15-card h3 { color: var(--gc15-gold); margin-bottom: 0.8rem; }
.gc15-card h2 { font-size: 1.8rem; }
.gc15-card h3 { font-size: 1.5rem; }
.gc15-card p { color: var(--gc15-text-soft); margin-bottom: 0.8rem; font-size: 1.35rem; }
.gc15-card ul { padding-left: 1.6rem; color: var(--gc15-text-soft); }
.gc15-card li { margin-bottom: 0.5rem; font-size: 1.3rem; }

/* Compact RTP / stats table */
.gc15-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
.gc15-stat-item { background: var(--gc15-bg-soft); border-radius: 0.8rem; padding: 1rem; text-align: center; }
.gc15-stat-item .gc15-stat-num { font-size: 1.8rem; font-weight: 800; color: var(--gc15-gold); }
.gc15-stat-item .gc15-stat-label { font-size: 1.1rem; color: var(--gc15-text-soft); }

/* Testimonials */
.gc15-testimonial { background: var(--gc15-bg-soft); border-radius: 0.8rem; padding: 1.1rem; margin-bottom: 0.8rem; border-left: 0.3rem solid var(--gc15-amber); }
.gc15-testimonial .gc15-t-name { font-weight: 700; color: var(--gc15-gold); font-size: 1.3rem; }
.gc15-testimonial .gc15-t-text { color: var(--gc15-text-soft); font-size: 1.3rem; margin-top: 0.3rem; }

/* Payment methods */
.gc15-pay-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; }
.gc15-pay-item { background: var(--gc15-bg-soft); border-radius: 0.8rem; padding: 0.8rem 0.4rem; text-align: center; font-size: 1.05rem; color: var(--gc15-text-soft); border: 0.1rem solid var(--gc15-border); }
.gc15-pay-item i { font-size: 2rem; color: var(--gc15-gold); display: block; margin-bottom: 0.3rem; }

/* CTA band */
.gc15-cta {
  background: linear-gradient(135deg, var(--gc15-primary), var(--gc15-amber));
  border-radius: var(--gc15-radius); padding: 1.6rem; text-align: center; margin: 1.4rem 0;
}
.gc15-cta h3 { color: #fff; font-size: 1.8rem; margin-bottom: 0.5rem; }
.gc15-cta p { color: rgba(255,255,255,0.92); margin-bottom: 1rem; font-size: 1.3rem; }
.gc15-cta .gc15-btn { background: #fff; color: var(--gc15-primary); }

/* Winners ticker */
.gc15-winner { display: flex; justify-content: space-between; padding: 0.6rem 0; border-bottom: 0.1rem solid rgba(255,255,255,0.06); font-size: 1.25rem; }
.gc15-winner .gc15-w-game { color: var(--gc15-text); font-weight: 600; }
.gc15-winner .gc15-w-amount { color: var(--gc15-gold); font-weight: 700; }

/* Footer */
.gc15-footer { background: var(--gc15-bg-soft); padding: 2rem 0 8rem; border-top: 0.2rem solid var(--gc15-primary); margin-top: 2rem; }
.gc15-footer-brand { color: var(--gc15-text-soft); font-size: 1.3rem; margin-bottom: 1.2rem; }
.gc15-footer-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1.2rem; margin-bottom: 1.2rem; }
.gc15-footer-links a { color: var(--gc15-text-soft); font-size: 1.25rem; }
.gc15-footer-promos { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.2rem; }
.gc15-footer-promos .gc15-btn { font-size: 1.2rem; padding: 0.6rem 1rem; min-height: 3.4rem; }
.gc15-footer-copy { color: var(--gc15-muted); font-size: 1.15rem; border-top: 0.1rem solid rgba(255,255,255,0.08); padding-top: 1rem; }

/* Mobile bottom navigation */
.gc15-bottomnav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  height: var(--gc15-bottomnav-h); background: linear-gradient(180deg, var(--gc15-secondary), #16202b);
  border-top: 0.2rem solid var(--gc15-primary);
  display: flex; justify-content: space-around; align-items: stretch;
  box-shadow: 0 -0.4rem 1rem rgba(0,0,0,0.4);
}
.gc15-bottomnav-inner { max-width: 430px; margin: 0 auto; display: flex; width: 100%; justify-content: space-around; }
.gc15-nav-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 6rem; min-height: 6rem; color: var(--gc15-text-soft); font-size: 1.1rem;
  background: transparent; border: none; cursor: pointer; gap: 0.2rem; transition: color 0.15s, transform 0.15s;
  text-decoration: none;
}
.gc15-nav-item i, .gc15-nav-item .material-icons-outlined, .gc15-nav-item .icon { font-size: 2.4rem; line-height: 1; }
.gc15-nav-item:hover { color: var(--gc15-gold); text-decoration: none; transform: translateY(-0.2rem); }
.gc15-nav-item:active { transform: scale(0.94); }
.gc15-nav-item.gc15-nav-active { color: var(--gc15-gold); }
.gc15-nav-item.gc15-nav-active i { color: var(--gc15-amber); }
.gc15-nav-item .gc15-nav-badge {
  position: absolute; top: 0.6rem; background: var(--gc15-primary); color: #fff;
  font-size: 0.9rem; font-weight: 700; border-radius: 1rem; padding: 0 0.4rem; min-width: 1.6rem; text-align: center;
}
.gc15-nav-item { position: relative; }

/* Desktop: hide bottom nav, show desktop nav, remove bottom padding */
@media (min-width: 769px) {
  .gc15-bottomnav { display: none; }
  .gc15-footer { padding-bottom: 2rem; }
  .gc15-container { max-width: 960px; }
  .gc15-header-inner { max-width: 960px; }
  .gc15-mobile-menu-inner { max-width: 960px; }
  .gc15-grid { grid-template-columns: repeat(6, 1fr); }
  .gc15-stats { grid-template-columns: repeat(4, 1fr); }
}

/* Mobile bottom padding so content is not hidden behind bottom nav */
@media (max-width: 768px) {
  .gc15-main { padding-bottom: 8rem; }
}