/* ============================================================
 * 789 Bingo App APK - Core Stylesheet
 * Mobile-first bingo & casino portal for PH players.
 * All classes use dynamic prefix "pg52-" for namespace safety.
 * Palette: #2C3E50 | #34495E | #BBBBBB | #0F0F23 | #87CEEB | #F8F8FF
 * ============================================================ */

:root {
  --pg52-primary: #2C3E50;
  --pg52-secondary: #34495E;
  --pg52-muted: #BBBBBB;
  --pg52-bg: #0F0F23;
  --pg52-accent: #87CEEB;
  --pg52-text: #F8F8FF;
  --pg52-gold: #F4C430;
  --pg52-success: #2ecc71;
  --pg52-danger: #ff5b5b;
  --pg52-radius: 1.2rem;
  --pg52-shadow: 0 0.6rem 1.8rem rgba(0, 0, 0, 0.45);
  --pg52-header-h: 5.6rem;
  --pg52-bnav-h: 6.4rem;
}

/* Reset + base */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--pg52-bg);
  background-image: radial-gradient(circle at 20% 10%, rgba(135, 206, 235, 0.15), transparent 60%),
                    radial-gradient(circle at 80% 90%, rgba(244, 196, 48, 0.10), transparent 65%);
  color: var(--pg52-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--pg52-accent); text-decoration: none; }
img { max-width: 100%; display: block; }

/* Mobile-first wrapper: strict 430px cap */
.pg52-wrapper {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  background: rgba(15, 15, 35, 0.55);
  box-shadow: var(--pg52-shadow);
  overflow: hidden;
}
main.pg52-main { padding: var(--pg52-header-h) 1.2rem 8.4rem; }

/* ---------- Header ---------- */
.pg52-header {
  position: fixed;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--pg52-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  background: linear-gradient(90deg, #0F0F23 0%, #2C3E50 100%);
  border-bottom: 0.2rem solid rgba(135, 206, 235, 0.35);
  z-index: 1000;
}

.pg52-brand { display: flex; align-items: center; gap: 0.8rem; min-width: 0; }
.pg52-brand img { width: 3rem; height: 3rem; border-radius: 0.6rem; }
.pg52-brand-name {
  font-size: 1.5rem; font-weight: 800; color: var(--pg52-text);
  letter-spacing: 0.05rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pg52-brand-name span { color: var(--pg52-accent); }

.pg52-actions { display: flex; align-items: center; gap: 0.6rem; }
.pg52-btn {
  border: 0; border-radius: 2rem; padding: 0.7rem 1.2rem;
  font-size: 1.25rem; font-weight: 700; cursor: pointer; min-height: 3.6rem;
  display: inline-flex; align-items: center; gap: 0.4rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.pg52-btn:active { transform: scale(0.95); }
.pg52-btn-login { background: transparent; color: var(--pg52-text); border: 0.15rem solid var(--pg52-accent); }
.pg52-btn-register {
  background: linear-gradient(90deg, #F4C430 0%, #FF8A00 100%);
  color: #0F0F23; box-shadow: 0 0.4rem 1rem rgba(244, 196, 48, 0.35);
}

.pg52-menu-btn {
  background: transparent; border: 0; color: var(--pg52-text); font-size: 1.8rem;
  width: 3.6rem; height: 3.6rem; border-radius: 0.8rem; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.pg52-menu-btn.pg52-active { background: rgba(135, 206, 235, 0.18); color: var(--pg52-accent); }

/* ---------- Mobile menu ---------- */
.pg52-mobile-menu {
  position: fixed; top: var(--pg52-header-h); left: 50%;
  width: 100%; max-width: 430px;
  background: #14213d; border-bottom: 0.2rem solid var(--pg52-accent);
  padding: 1.2rem 1.4rem 1.6rem;
  opacity: 0; visibility: hidden;
  transform: translate(-50%, -1.2rem);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  z-index: 9999; max-height: 75vh; overflow-y: auto;
}
.pg52-mobile-menu.pg52-menu-open { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.pg52-mobile-menu a {
  display: block; padding: 1rem 0.8rem; color: var(--pg52-text);
  border-bottom: 0.1rem solid rgba(187, 187, 187, 0.15); font-size: 1.4rem;
}
.pg52-mobile-menu a:last-child { border-bottom: 0; }
.pg52-mobile-menu a:hover { background: rgba(135, 206, 235, 0.12); color: var(--pg52-accent); }

/* ---------- Hero slider ---------- */
.pg52-slider {
  position: relative; border-radius: var(--pg52-radius);
  overflow: hidden; margin-bottom: 1.6rem; box-shadow: var(--pg52-shadow);
}
.pg52-slide { position: relative; display: none; cursor: pointer; }
.pg52-slide.pg52-active { display: block; animation: pg52fade 0.6s ease; }
@keyframes pg52fade { from { opacity: 0; } to { opacity: 1; } }
.pg52-slide img { width: 100%; height: 18rem; object-fit: cover; }
.pg52-slide-cap {
  position: absolute; left: 1.2rem; bottom: 1.2rem; right: 1.2rem;
  color: var(--pg52-text); text-shadow: 0 0.2rem 0.4rem rgba(0,0,0,0.7);
  font-weight: 700; font-size: 1.45rem;
}
.pg52-dots {
  position: absolute; bottom: 0.6rem; left: 0; right: 0;
  display: flex; justify-content: center; gap: 0.5rem;
}
.pg52-dot { width: 0.7rem; height: 0.7rem; border-radius: 50%; background: rgba(248, 248, 255, 0.5); }
.pg52-dot.pg52-active { background: var(--pg52-accent); }

/* ---------- Section ---------- */
.pg52-section { margin: 1.8rem 0; }
.pg52-section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.pg52-section-title {
  font-size: 1.6rem; font-weight: 800; color: var(--pg52-text);
  border-left: 0.4rem solid var(--pg52-accent); padding-left: 0.8rem;
}
.pg52-section-title em { color: var(--pg52-accent); font-style: normal; }

/* ---------- Game grid ---------- */
.pg52-game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
.pg52-game-card {
  background: linear-gradient(180deg, #1b2a4a 0%, #2C3E50 100%);
  border-radius: 0.9rem; overflow: hidden; text-align: center; cursor: pointer;
  border: 0.1rem solid rgba(135, 206, 235, 0.18);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.pg52-game-card:hover { transform: translateY(-0.2rem); border-color: var(--pg52-accent); }
.pg52-game-card img { width: 100%; height: 8.4rem; object-fit: cover; }
.pg52-game-card span {
  display: block; padding: 0.5rem 0.4rem; font-size: 1.15rem;
  color: var(--pg52-text); font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---------- CTA buttons / text links ---------- */
.pg52-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(90deg, #F4C430 0%, #FF8A00 100%);
  color: #0F0F23;
  font-weight: 800;
  padding: 1rem 1.8rem;
  border-radius: 2.4rem;
  border: 0;
  cursor: pointer;
  box-shadow: 0 0.5rem 1.2rem rgba(244, 196, 48, 0.4);
  transition: transform 0.15s ease;
}
.pg52-cta:active { transform: scale(0.96); }
.pg52-cta-block { text-align: center; margin: 1.6rem 0; }

a.pg52-link {
  color: var(--pg52-accent);
  font-weight: 700;
  border-bottom: 0.1rem dashed var(--pg52-accent);
  cursor: pointer;
}

/* ---------- Card ---------- */
.pg52-card {
  background: linear-gradient(180deg, #1b2a4a 0%, #34495E 100%);
  border-radius: var(--pg52-radius);
  padding: 1.4rem;
  box-shadow: var(--pg52-shadow);
  border: 0.1rem solid rgba(135, 206, 235, 0.15);
}
.pg52-card h3 { margin: 0 0 0.6rem; font-size: 1.5rem; color: var(--pg52-accent); }
.pg52-card p { margin: 0.4rem 0; color: var(--pg52-muted); }

.pg52-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.pg52-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }

/* ---------- Feature / step list ---------- */
.pg52-features { list-style: none; padding: 0; margin: 0; }
.pg52-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 0.9rem 0;
  border-bottom: 0.1rem solid rgba(187, 187, 187, 0.12);
}
.pg52-features li:last-child { border-bottom: 0; }
.pg52-features i { color: var(--pg52-accent); font-size: 1.8rem; margin-top: 0.2rem; }

.pg52-steps { counter-reset: step; padding: 0; list-style: none; }
.pg52-steps li {
  position: relative;
  padding: 0.8rem 0 0.8rem 3.4rem;
  margin-bottom: 0.6rem;
}
.pg52-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0; top: 0.6rem;
  width: 2.4rem; height: 2.4rem;
  border-radius: 50%;
  background: var(--pg52-accent);
  color: #0F0F23;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Payment / winners ---------- */
.pg52-pay { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.pg52-pay span {
  background: #1b2a4a;
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  font-size: 1.2rem;
  color: var(--pg52-text);
  border: 0.1rem solid rgba(135, 206, 235, 0.25);
}

.pg52-winners { list-style: none; padding: 0; margin: 0; }
.pg52-winners li {
  display: flex; justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 0.1rem solid rgba(187, 187, 187, 0.1);
  font-size: 1.25rem;
}
.pg52-winners li b { color: var(--pg52-gold); }

/* ---------- Testimonials ---------- */
.pg52-quote {
  background: #1b2a4a;
  border-left: 0.35rem solid var(--pg52-gold);
  padding: 1rem 1.2rem;
  border-radius: 0.8rem;
  margin-bottom: 0.9rem;
}
.pg52-quote p { margin: 0 0 0.4rem; font-size: 1.25rem; color: var(--pg52-text); }
.pg52-quote small { color: var(--pg52-muted); }

/* ---------- Reveal animation ---------- */
.pg52-reveal { opacity: 0; transform: translateY(1.6rem); transition: opacity 0.5s ease, transform 0.5s ease; }
.pg52-reveal.pg52-visible { opacity: 1; transform: translateY(0); }

/* ---------- Back to top ---------- */
.pg52-top {
  position: fixed;
  right: 1.2rem; bottom: 8rem;
  width: 4rem; height: 4rem;
  border-radius: 50%;
  background: var(--pg52-accent);
  color: #0F0F23;
  border: 0;
  font-size: 1.8rem;
  cursor: pointer;
  opacity: 0; visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 998;
}
.pg52-top.pg52-show { opacity: 1; visibility: visible; }

/* ---------- Footer ---------- */
.pg52-footer {
  background: #0b1230;
  border-top: 0.2rem solid var(--pg52-accent);
  padding: 2rem 1.4rem 3rem;
  color: var(--pg52-muted);
  font-size: 1.2rem;
}
.pg52-footer p { line-height: 1.7rem; margin: 0 0 1rem; }
.pg52-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.2rem;
  margin: 0.8rem 0 1.2rem;
}
.pg52-footer-links a {
  color: var(--pg52-text);
  font-size: 1.2rem;
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}
.pg52-footer-promo {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0;
}
.pg52-footer-promo button {
  background: var(--pg52-accent);
  color: #0F0F23;
  border: 0;
  padding: 0.6rem 1rem;
  border-radius: 1.4rem;
  font-weight: 700;
  font-size: 1.2rem;
  cursor: pointer;
}
.pg52-copy { margin-top: 0.8rem; color: var(--pg52-muted); font-size: 1.1rem; }

/* ---------- Bottom navigation (mobile only) ---------- */
.pg52-bnav {
  position: fixed;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--pg52-bnav-h);
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: linear-gradient(180deg, #14213d 0%, #0b1230 100%);
  border-top: 0.2rem solid var(--pg52-accent);
  box-shadow: 0 -0.4rem 1rem rgba(0, 0, 0, 0.45);
  z-index: 1000;
}
.pg52-bnav-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: 0.25rem;
  color: var(--pg52-muted);
  cursor: pointer;
  font-size: 1.1rem;
  transition: color 0.15s ease, transform 0.15s ease;
}
.pg52-bnav-btn i, .pg52-bnav-btn .material-icons-outlined,
.pg52-bnav-btn .ion { font-size: 2.2rem; }
.pg52-bnav-btn:hover { color: var(--pg52-accent); transform: translateY(-0.1rem); }
.pg52-bnav-btn:active { transform: scale(0.92); }
.pg52-bnav-btn.pg52-current { color: var(--pg52-gold); }
.pg52-bnav-btn.pg52-promo {
  color: var(--pg52-gold);
}

/* Hide bottom nav on desktop */
@media (min-width: 769px) {
  .pg52-bnav { display: none; }
  main.pg52-main { padding-bottom: 3rem; }
}

/* ---------- Desktop tweaks ---------- */
@media (min-width: 431px) {
  .pg52-wrapper { border-left: 0.1rem solid rgba(135, 206, 235, 0.1); border-right: 0.1rem solid rgba(135, 206, 235, 0.1); }
}

/* Utility */
.pg52-text-center { text-align: center; }
.pg52-mt-1 { margin-top: 1rem; }
.pg52-mt-2 { margin-top: 2rem; }
.pg52-hidden { display: none !important; }