/* ============================================================
 * bingo game - layout stylesheet
 * All custom class names use the w0c51- prefix.
 * Palette: #FF4500 (signal orange) + #3A3A3A (graphite base).
 * Mobile-first; desktop gets gentle overrides via media queries.
 * ============================================================ */

:root {
  --w0c51-primary: #FF4500;
  --w0c51-primary-soft: #ff6a33;
  --w0c51-primary-deep: #cc3700;
  --w0c51-bg: #3A3A3A;
  --w0c51-bg-deep: #232323;
  --w0c51-bg-soft: #4a4a4a;
  --w0c51-text: #f5f3f0;
  --w0c51-text-dim: #c9c5bf;
  --w0c51-line: rgba(255, 255, 255, 0.12);
  --w0c51-gold: #ffc857;
  --w0c51-radius: 14px;
  --w0c51-shadow: 0 10px 28px rgba(0, 0, 0, 0.38);
  --w0c51-header-h: 60px;
  --w0c51-bottom-h: 62px;
}

* { box-sizing: border-box; }

html {
  font-size: 62.5%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Roboto, Arial, sans-serif;
  background: radial-gradient(circle at top, #4a4a4a 0%, var(--w0c51-bg) 45%, var(--w0c51-bg-deep) 100%);
  color: var(--w0c51-text);
  line-height: 1.5;
  font-size: 1.5rem;
  min-height: 100vh;
}

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

a { color: var(--w0c51-primary-soft); text-decoration: none; }
a:hover { color: var(--w0c51-gold); }

.w0c51-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 14px; }
.w0c51-wrapper { width: 100%; max-width: 430px; margin: 0 auto; }

/* ---------------------- Header ---------------------- */
.w0c51-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--w0c51-bg-deep) 0%, var(--w0c51-bg) 100%);
  border-bottom: 2px solid var(--w0c51-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}
.w0c51-header-inner {
  max-width: 430px;
  margin: 0 auto;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.w0c51-brand { display: flex; align-items: center; gap: 8px; min-width: 0; }
.w0c51-brand img { width: 30px; height: 30px; border-radius: 8px; }
.w0c51-brand-text { font-weight: 800; font-size: 1.55rem; color: var(--w0c51-text); white-space: nowrap; }
.w0c51-brand-text span { color: var(--w0c51-primary); }

.w0c51-header-actions { display: flex; align-items: center; gap: 6px; }
.w0c51-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: none;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  line-height: 1;
}
.w0c51-btn:active { transform: scale(0.94); }
.w0c51-btn-login {
  background: transparent;
  color: var(--w0c51-text);
  border: 1px solid var(--w0c51-line);
}
.w0c51-btn-register {
  background: linear-gradient(135deg, var(--w0c51-primary) 0%, var(--w0c51-primary-deep) 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 69, 0, 0.45);
}
.w0c51-btn-hamburger {
  background: transparent;
  color: var(--w0c51-text);
  font-size: 1.8rem;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--w0c51-line);
}

/* ---------------------- Mobile menu ---------------------- */
.w0c51-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
  z-index: 9998;
}
.w0c51-backdrop-on { opacity: 1; pointer-events: auto; }

.w0c51-mobile-menu {
  position: fixed;
  top: 0;
  right: -82%;
  width: 78%;
  max-width: 320px;
  height: 100%;
  background: var(--w0c51-bg-deep);
  padding: 22px 18px;
  z-index: 9999;
  transition: right .28s ease;
  overflow-y: auto;
  border-left: 2px solid var(--w0c51-primary);
}
.w0c51-menu-open { right: 0; }
.w0c51-mobile-menu h4 {
  margin: 18px 0 8px;
  font-size: 1.35rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--w0c51-primary-soft);
}
.w0c51-mobile-menu a {
  display: block;
  padding: 10px 8px;
  border-bottom: 1px solid var(--w0c51-line);
  color: var(--w0c51-text);
  font-size: 1.45rem;
}

/* ---------------------- Hero ---------------------- */
.w0c51-hero {
  margin: 14px 0;
  border-radius: var(--w0c51-radius);
  overflow: hidden;
  box-shadow: var(--w0c51-shadow);
  position: relative;
}
.w0c51-hero-track {
  display: flex;
  width: 100%;
  transition: transform .55s ease;
}
.w0c51-hero-slide {
  min-width: 100%;
  position: relative;
}
.w0c51-hero-slide img { width: 100%; height: 200px; object-fit: cover; }
.w0c51-hero-cap {
  position: absolute;
  left: 14px;
  bottom: 16px;
  right: 14px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  padding: 18px 6px 4px;
}
.w0c51-hero-cap h2 { margin: 0 0 4px; font-size: 1.7rem; color: #fff; }
.w0c51-hero-cap p { margin: 0; font-size: 1.25rem; color: var(--w0c51-text-dim); }
.w0c51-hero-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}
.w0c51-hero-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none; cursor: pointer; padding: 0;
}
.w0c51-dot-active { background: var(--w0c51-primary); width: 22px; border-radius: 4px; }

/* ---------------------- Sections ---------------------- */
.w0c51-section { padding: 18px 0; }
.w0c51-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.w0c51-section-title {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--w0c51-text);
  border-left: 4px solid var(--w0c51-primary);
  padding-left: 10px;
}
.w0c51-section-title em { color: var(--w0c51-primary-soft); font-style: normal; }
.w0c51-section-more { font-size: 1.25rem; color: var(--w0c51-primary-soft); }

.w0c51-filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 10px;
  -webkit-overflow-scrolling: touch;
}
.w0c51-filter-chip {
  flex: 0 0 auto;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--w0c51-bg-soft);
  color: var(--w0c51-text-dim);
  font-size: 1.25rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
}
.w0c51-chip-active {
  background: var(--w0c51-primary);
  color: #fff;
  border-color: var(--w0c51-primary-deep);
}

/* ---------------------- Game grid ---------------------- */
.w0c51-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.w0c51-card {
  background: var(--w0c51-bg-soft);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--w0c51-line);
  transition: transform .15s ease, box-shadow .15s ease;
  display: block;
  cursor: pointer;
}
.w0c51-card:active { transform: scale(0.96); }
.w0c51-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #1f1f1f;
}
.w0c51-card-name {
  padding: 6px 8px;
  font-size: 1.15rem;
  text-align: center;
  color: var(--w0c51-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.w0c51-card-promo { cursor: pointer; }

/* ---------------------- Feature blocks ---------------------- */
.w0c51-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.w0c51-feature {
  background: var(--w0c51-bg-soft);
  border-radius: 12px;
  padding: 14px;
  border: 1px solid var(--w0c51-line);
}
.w0c51-feature .w0c51-ico {
  font-size: 2.4rem;
  color: var(--w0c51-primary);
  margin-bottom: 6px;
}
.w0c51-feature h3 { margin: 0 0 4px; font-size: 1.4rem; color: var(--w0c51-text); }
.w0c51-feature p { margin: 0; font-size: 1.2rem; color: var(--w0c51-text-dim); }

/* ---------------------- Promo CTA ---------------------- */
.w0c51-cta {
  margin: 18px 0;
  padding: 20px 16px;
  border-radius: var(--w0c51-radius);
  background: linear-gradient(135deg, var(--w0c51-primary) 0%, var(--w0c51-primary-deep) 100%);
  text-align: center;
  color: #fff;
  box-shadow: var(--w0c51-shadow);
}
.w0c51-cta h3 { margin: 0 0 6px; font-size: 1.8rem; }
.w0c51-cta p { margin: 0 0 12px; font-size: 1.3rem; opacity: 0.92; }
.w0c51-cta .w0c51-btn {
  background: #fff;
  color: var(--w0c51-primary-deep);
  font-size: 1.4rem;
  padding: 10px 22px;
}

/* ---------------------- Long-form SEO content ---------------------- */
.w0c51-prose {
  background: var(--w0c51-bg-deep);
  border-radius: var(--w0c51-radius);
  padding: 18px 16px;
  border: 1px solid var(--w0c51-line);
  margin: 16px 0;
}
.w0c51-prose h2 {
  font-size: 1.7rem;
  margin: 18px 0 8px;
  color: var(--w0c51-primary-soft);
}
.w0c51-prose h2:first-child { margin-top: 0; }
.w0c51-prose h3 { font-size: 1.4rem; margin: 14px 0 6px; color: var(--w0c51-gold); }
.w0c51-prose p { margin: 0 0 10px; color: var(--w0c51-text-dim); font-size: 1.35rem; }
.w0c51-prose ul { margin: 0 0 10px; padding-left: 18px; color: var(--w0c51-text-dim); }
.w0c51-prose li { margin-bottom: 4px; }
.w0c51-prose strong { color: var(--w0c51-text); }

/* ---------------------- FAQ ---------------------- */
.w0c51-faq-item {
  background: var(--w0c51-bg-soft);
  border: 1px solid var(--w0c51-line);
  border-radius: 10px;
  margin-bottom: 8px;
  overflow: hidden;
}
.w0c51-faq-q {
  padding: 12px 14px;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--w0c51-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.w0c51-faq-q::after { content: "+"; color: var(--w0c51-primary); font-size: 1.6rem; }
.w0c51-faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 14px;
  color: var(--w0c51-text-dim);
  font-size: 1.3rem;
  transition: max-height .25s ease, padding .25s ease;
}
.w0c51-faq-open .w0c51-faq-a { max-height: 400px; padding: 0 14px 12px; }
.w0c51-faq-open .w0c51-faq-q::after { content: "-"; }

/* ---------------------- Testimonials ---------------------- */
.w0c51-testi {
  background: var(--w0c51-bg-soft);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 10px;
  border-left: 3px solid var(--w0c51-primary);
}
.w0c51-testi-stars { color: var(--w0c51-gold); font-size: 1.3rem; margin-bottom: 4px; }
.w0c51-testi p { margin: 0 0 6px; font-size: 1.3rem; color: var(--w0c51-text-dim); }
.w0c51-testi span { font-size: 1.15rem; color: var(--w0c51-primary-soft); }

/* ---------------------- Payment / winners ---------------------- */
.w0c51-pay-row, .w0c51-winner-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.w0c51-pay-chip, .w0c51-winner {
  background: var(--w0c51-bg-soft);
  border: 1px solid var(--w0c51-line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 1.2rem;
  color: var(--w0c51-text-dim);
}
.w0c51-winner b { color: var(--w0c51-gold); }

/* ---------------------- Footer ---------------------- */
.w0c51-footer {
  background: var(--w0c51-bg-deep);
  border-top: 2px solid var(--w0c51-primary);
  padding: 22px 14px 100px;
  margin-top: 18px;
}
.w0c51-footer-inner { max-width: 430px; margin: 0 auto; }
.w0c51-footer h4 { color: var(--w0c51-primary-soft); font-size: 1.4rem; margin: 14px 0 6px; }
.w0c51-footer p { color: var(--w0c51-text-dim); font-size: 1.25rem; margin: 0 0 12px; }
.w0c51-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.w0c51-footer-links a {
  background: var(--w0c51-bg-soft);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 1.2rem;
  color: var(--w0c51-text);
  border: 1px solid var(--w0c51-line);
}
.w0c51-footer-copy { font-size: 1.15rem; color: var(--w0c51-text-dim); border-top: 1px solid var(--w0c51-line); padding-top: 10px; }

/* ---------------------- Bottom nav ---------------------- */
.w0c51-bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: var(--w0c51-bottom-h);
  background: var(--w0c51-bg-deep);
  border-top: 2px solid var(--w0c51-primary);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.w0c51-bottom-nav button, .w0c51-bottom-nav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: none;
  color: var(--w0c51-text-dim);
  font-size: 1rem;
  gap: 2px;
  text-decoration: none;
  transition: color .15s ease, transform .15s ease;
  cursor: pointer;
}
.w0c51-bottom-nav button:active, .w0c51-bottom-nav a:active { transform: scale(0.9); }
.w0c51-bottom-nav .w0c51-nav-ico { font-size: 2.2rem; line-height: 1; }
.w0c51-bottom-nav .w0c51-nav-label { font-size: 1rem; line-height: 1; }
.w0c51-bottom-nav .w0c51-nav-current,
.w0c51-bottom-nav button:hover,
.w0c51-bottom-nav a:hover { color: var(--w0c51-primary); }
.w0c51-nav-promo { color: var(--w0c51-gold) !important; }

/* ---------------------- Mobile-only helpers ---------------------- */
main { padding-bottom: 80px; }
.w0c51-show-mobile { display: block; }
.w0c51-hide-mobile { display: none; }

/* ---------------------- Desktop overrides ---------------------- */
@media (min-width: 769px) {
  body { background: radial-gradient(circle at top, #525252 0%, var(--w0c51-bg) 50%, var(--w0c51-bg-deep) 100%); }
  .w0c51-container, .w0c51-wrapper, .w0c51-header-inner, .w0c51-footer-inner { max-width: 960px; }
  .w0c51-grid { grid-template-columns: repeat(6, 1fr); }
  .w0c51-features { grid-template-columns: repeat(4, 1fr); }
  .w0c51-bottom-nav { display: none; }
  .w0c51-btn-hamburger { display: none; }
  main { padding-bottom: 30px; }
  .w0c51-footer { padding-bottom: 30px; }
  .w0c51-hero-slide img { height: 360px; }
}

@media (max-width: 360px) {
  .w0c51-grid { grid-template-columns: repeat(2, 1fr); }
  .w0c51-brand-text { font-size: 1.35rem; }
}