/* ==========================================================================
   Pinoy Timezone - Core Stylesheet (css/layout-4cea.css)
   Mobile-first HTML5 gaming website design (max-width 430px).
   All custom classes use the va3c- prefix for namespace isolation.
   Palette: #191970 | #2E4057 | #87CEEB | #000080 (+ #FFC93C gold accent)
   ========================================================================== */

/* Design tokens */
:root {
  --va3c-primary: #191970;        /* Midnight Blue */
  --va3c-secondary: #2E4057;      /* Slate */
  --va3c-accent: #87CEEB;         /* Sky Blue */
  --va3c-deep: #000080;           /* Navy */
  --va3c-gold: #FFC93C;           /* Casino gold accent */
  --va3c-bg: #0a0f2b;             /* Page background */
  --va3c-bg-alt: #111a40;         /* Alt section background */
  --va3c-card: #18215a;           /* Card background */
  --va3c-card-hover: #212d72;     /* Card hover */
  --va3c-text: #ffffff;
  --va3c-text-muted: #aeb8e0;
  --va3c-text-dim: #6f7da8;
  --va3c-border: rgba(135, 206, 235, 0.18);
  --va3c-success: #28c76f;
  --va3c-danger: #ea5455;
  --va3c-radius: 12px;
  --va3c-radius-sm: 8px;
  --va3c-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --va3c-header-h: 60px;
  --va3c-bottom-h: 62px;
  --va3c-max-w: 430px;
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  color: var(--va3c-text);
  background: var(--va3c-bg);
  background-image: radial-gradient(circle at 20% -10%, rgba(135,206,235,0.10), transparent 55%),
                    linear-gradient(180deg, #0a0f2b 0%, #070b22 100%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--va3c-accent); text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
h1, h2, h3, h4 { margin: 0 0 0.6rem; line-height: 1.3; font-weight: 700; }
p { margin: 0 0 0.6rem; }

/* Layout helpers */
.va3c-wrapper { max-width: var(--va3c-max-w); margin: 0 auto; padding: 0 12px; }
.va3c-container { padding: 16px 12px; }
main { padding-bottom: 80px; }

/* Header */
.va3c-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--va3c-header-h);
  background: linear-gradient(90deg, var(--va3c-deep), var(--va3c-primary));
  border-bottom: 1px solid var(--va3c-border);
  z-index: 1000;
  transition: box-shadow .25s ease;
}
.va3c-header-scrolled { box-shadow: 0 4px 18px rgba(0,0,0,.45); }
.va3c-header-inner {
  max-width: var(--va3c-max-w); height: 100%; margin: 0 auto;
  padding: 0 10px; display: flex; align-items: center; gap: 8px;
}
.va3c-logo {
  display: flex; align-items: center; gap: 8px;
  color: var(--va3c-text); font-weight: 800; font-size: 15px;
  flex: 1; min-width: 0;
}
.va3c-logo img { width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0; }
.va3c-logo-text {
  background: linear-gradient(90deg, #fff, var(--va3c-accent));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.va3c-header-actions { display: flex; align-items: center; gap: 6px; }
.va3c-menu-toggle {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--va3c-accent); border-radius: 8px;
}
.va3c-menu-toggle:hover { background: rgba(135,206,235,.12); }

/* Buttons */
.va3c-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 14px; border-radius: var(--va3c-radius-sm);
  font-weight: 700; font-size: 13px; text-decoration: none;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  min-height: 40px; cursor: pointer; border: none;
}
.va3c-btn:active { transform: scale(0.96); }
.va3c-btn-primary {
  background: linear-gradient(135deg, var(--va3c-gold), #ff9d00);
  color: #3a2400;
  box-shadow: 0 4px 12px rgba(255, 201, 60, .35);
}
.va3c-btn-secondary {
  background: rgba(135, 206, 235, .14);
  color: var(--va3c-accent);
  border: 1px solid var(--va3c-border);
}
.va3c-btn-outline {
  background: transparent; color: var(--va3c-text);
  border: 1px solid var(--va3c-border);
}
.va3c-btn-block { width: 100%; }
.va3c-btn-lg { padding: 12px 22px; font-size: 15px; min-height: 48px; }
.va3c-btn-sm { padding: 6px 10px; font-size: 11px; min-height: 30px; }

/* Mobile menu */
.va3c-menu-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.55);
  opacity: 0; visibility: hidden; transition: opacity .25s ease; z-index: 9998;
}
.va3c-overlay-active { opacity: 1; visibility: visible; }
.va3c-mobile-menu {
  position: fixed; top: 0; right: -280px;
  width: 270px; max-width: 82%; height: 100%;
  background: linear-gradient(180deg, var(--va3c-deep), var(--va3c-primary));
  padding: 70px 14px 24px; transition: right .3s ease;
  z-index: 9999; overflow-y: auto;
  box-shadow: -8px 0 24px rgba(0,0,0,.4);
}
.va3c-menu-open { right: 0; }
.va3c-mobile-menu h4 {
  color: var(--va3c-accent); font-size: 12px;
  text-transform: uppercase; letter-spacing: 1px; margin: 16px 0 8px;
}
.va3c-mobile-menu a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 12px; margin-bottom: 4px;
  color: var(--va3c-text); border-radius: 8px;
  font-size: 13px; transition: background .2s ease;
}
.va3c-mobile-menu a:hover { background: rgba(135,206,235,.12); }
.va3c-mobile-menu a i { color: var(--va3c-gold); font-size: 16px; width: 20px; text-align: center; }

/* Sections */
.va3c-section { padding: 22px 0; }
.va3c-section-alt { background: var(--va3c-bg-alt); }
.va3c-anchor { scroll-margin-top: 72px; }
.va3c-section-title {
  font-size: 20px; color: var(--va3c-text); margin-bottom: 4px;
  position: relative; padding-left: 14px;
}
.va3c-section-title::before {
  content: ''; position: absolute; left: 0; top: 5px; bottom: 5px;
  width: 4px; border-radius: 2px;
  background: linear-gradient(180deg, var(--va3c-accent), var(--va3c-gold));
}
.va3c-section-sub { color: var(--va3c-text-muted); font-size: 13px; margin-bottom: 14px; padding-left: 14px; }

/* Carousel */
.va3c-carousel {
  position: relative; border-radius: 14px; overflow: hidden;
  margin-top: 72px; box-shadow: var(--va3c-shadow);
}
.va3c-carousel-slide { display: none; position: relative; cursor: pointer; }
.va3c-slide-active { display: block; }
.va3c-carousel-slide img { width: 100%; height: 180px; object-fit: cover; }
.va3c-carousel-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.88), transparent);
  padding: 28px 14px 14px;
}
.va3c-carousel-caption h3 { color: var(--va3c-gold); font-size: 16px; margin: 0; }
.va3c-carousel-caption p { color: #fff; font-size: 12px; margin: 4px 0 0; }
.va3c-carousel-dots {
  position: absolute; bottom: 8px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px;
}
.va3c-carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.4); cursor: pointer; transition: all .2s ease;
  border: none; padding: 0;
}
.va3c-dot-active { background: var(--va3c-gold); width: 22px; border-radius: 4px; }

/* Game grid */
.va3c-game-group { margin-bottom: 24px; }
.va3c-game-group-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px;
}
.va3c-game-group-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 16px; color: var(--va3c-text); margin: 0;
}
.va3c-game-group-title i { color: var(--va3c-gold); font-size: 20px; }
.va3c-game-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
.va3c-game-card {
  background: var(--va3c-card); border-radius: 10px; overflow: hidden;
  border: 1px solid var(--va3c-border); cursor: pointer; display: block;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.va3c-game-card:hover, .va3c-game-card:active {
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(0,0,0,.4);
  border-color: var(--va3c-accent);
}
.va3c-game-card img {
  width: 100%; aspect-ratio: 1/1; object-fit: cover; background: #070b22;
}
.va3c-game-card-name {
  padding: 6px 6px; font-size: 11px; text-align: center;
  color: var(--va3c-text); white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; font-weight: 600;
}

/* Generic card */
.va3c-card {
  background: var(--va3c-card); border-radius: var(--va3c-radius);
  padding: 16px; border: 1px solid var(--va3c-border); margin-bottom: 12px;
}
.va3c-card-title {
  color: var(--va3c-accent); font-size: 15px; margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.va3c-card-title i { color: var(--va3c-gold); }
.va3c-card p { color: var(--va3c-text-muted); font-size: 13px; margin: 0 0 8px; }

/* Feature list */
.va3c-feature-list { list-style: none; padding: 0; margin: 0; }
.va3c-feature-list li {
  padding: 10px 0; border-bottom: 1px dashed var(--va3c-border);
  color: var(--va3c-text-muted); font-size: 13px;
  display: flex; align-items: flex-start; gap: 8px;
}
.va3c-feature-list li:last-child { border-bottom: none; }
.va3c-feature-list i { color: var(--va3c-gold); margin-top: 3px; flex-shrink: 0; }

/* Stats grid */
.va3c-stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 12px 0; }
.va3c-stat {
  background: var(--va3c-bg-alt); padding: 12px; border-radius: 10px;
  text-align: center; border: 1px solid var(--va3c-border);
}
.va3c-stat-num { font-size: 22px; font-weight: 800; color: var(--va3c-gold); display: block; }
.va3c-stat-label { font-size: 11px; color: var(--va3c-text-muted); text-transform: uppercase; letter-spacing: .5px; }

/* Steps */
.va3c-step {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 10px 0; border-bottom: 1px dashed var(--va3c-border);
}
.va3c-step-num {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--va3c-accent), var(--va3c-gold));
  color: var(--va3c-deep); font-weight: 800; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.va3c-step-body h4 { font-size: 14px; color: var(--va3c-text); margin: 0 0 2px; }
.va3c-step-body p { font-size: 12px; color: var(--va3c-text-muted); margin: 0; }

/* Testimonials */
.va3c-testimonial {
  background: var(--va3c-card); padding: 14px; border-radius: 10px;
  border-left: 3px solid var(--va3c-gold); margin-bottom: 10px;
}
.va3c-testimonial p { font-size: 13px; color: var(--va3c-text); margin: 0 0 8px; font-style: italic; }
.va3c-testimonial-author { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--va3c-accent); font-weight: 600; }
.va3c-stars { color: var(--va3c-gold); font-size: 12px; }

/* Payment */
.va3c-payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.va3c-payment-item {
  background: var(--va3c-bg-alt); border-radius: 8px; padding: 10px 4px;
  text-align: center; font-size: 10px; color: var(--va3c-text-muted);
  border: 1px solid var(--va3c-border);
}
.va3c-payment-item i { font-size: 22px; color: var(--va3c-accent); display: block; margin-bottom: 4px; }

/* Winners */
.va3c-winner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; background: var(--va3c-card); border-radius: 8px;
  margin-bottom: 6px; border: 1px solid var(--va3c-border);
}
.va3c-winner-info { display: flex; align-items: center; gap: 10px; }
.va3c-winner-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--va3c-accent), var(--va3c-gold));
  display: flex; align-items: center; justify-content: center;
  color: var(--va3c-deep); font-weight: 800; font-size: 14px;
}
.va3c-winner-name { font-size: 12px; color: var(--va3c-text); font-weight: 600; }
.va3c-winner-game { font-size: 10px; color: var(--va3c-text-dim); }
.va3c-winner-amount { color: var(--va3c-gold); font-weight: 800; font-size: 14px; }

/* FAQ */
.va3c-faq-item {
  background: var(--va3c-card); border-radius: 8px; padding: 12px 14px;
  margin-bottom: 8px; border: 1px solid var(--va3c-border);
}
.va3c-faq-q { font-weight: 700; color: var(--va3c-accent); font-size: 13px; margin-bottom: 6px; display: flex; gap: 8px; }
.va3c-faq-a { color: var(--va3c-text-muted); font-size: 13px; }

/* CTA */
.va3c-cta {
  background: linear-gradient(135deg, var(--va3c-primary), var(--va3c-deep));
  border-radius: var(--va3c-radius); padding: 22px 18px; text-align: center;
  border: 1px solid var(--va3c-border); margin: 18px 0;
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
}
.va3c-cta h3 { color: var(--va3c-gold); font-size: 18px; }
.va3c-cta p { color: var(--va3c-text-muted); font-size: 13px; margin: 6px 0 14px; }

/* App download */
.va3c-app-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 10px; }

/* Footer */
.va3c-footer {
  background: linear-gradient(180deg, var(--va3c-deep), #050818);
  padding: 24px 12px 16px; margin-top: 24px;
  border-top: 1px solid var(--va3c-border);
}
.va3c-footer-brand { text-align: center; margin-bottom: 16px; }
.va3c-footer-brand img { width: 44px; height: 44px; margin: 0 auto 8px; border-radius: 10px; }
.va3c-footer-brand h4 { color: var(--va3c-accent); font-size: 16px; margin: 0 0 4px; }
.va3c-footer-brand p { color: var(--va3c-text-muted); font-size: 12px; margin: 0; }
.va3c-footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 8px; margin: 14px 0; }
.va3c-footer-links a { font-size: 12px; color: var(--va3c-text-muted); padding: 5px 4px; }
.va3c-footer-links a:hover { color: var(--va3c-accent); }
.va3c-footer-promos { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin: 12px 0; }
.va3c-footer-promos .va3c-btn { font-size: 11px; padding: 6px 10px; min-height: 32px; }
.va3c-footer-copy { text-align: center; font-size: 11px; color: var(--va3c-text-dim); padding-top: 14px; border-top: 1px solid var(--va3c-border); }

/* Mobile bottom navigation */
.va3c-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--va3c-bottom-h);
  background: linear-gradient(90deg, var(--va3c-deep), var(--va3c-primary));
  border-top: 1px solid var(--va3c-border);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000; box-shadow: 0 -4px 18px rgba(0,0,0,.4);
}
.va3c-bottom-nav-btn {
  flex: 1; min-width: 60px; min-height: 60px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; color: var(--va3c-text-muted); font-size: 10px;
  transition: color .2s ease, transform .15s ease;
  position: relative; text-decoration: none; padding: 0;
}
.va3c-bottom-nav-btn i { font-size: 22px; }
.va3c-bottom-nav-btn:active { transform: scale(.9); }
.va3c-bottom-nav-btn:hover { color: var(--va3c-accent); }
.va3c-bottom-nav-btn.va3c-nav-active { color: var(--va3c-gold); }
.va3c-bottom-nav-btn.va3c-nav-active::before {
  content: ''; position: absolute; top: 0;
  width: 30px; height: 3px; background: var(--va3c-gold); border-radius: 0 0 4px 4px;
}
.va3c-nav-badge {
  position: absolute; top: 6px; right: calc(50% - 30px);
  background: var(--va3c-danger); color: #fff;
  font-size: 9px; font-weight: 700; min-width: 16px; height: 16px;
  border-radius: 8px; display: flex; align-items: center; justify-content: center; padding: 0 4px;
}

/* Back to top */
.va3c-back-top {
  position: fixed; bottom: 75px; right: 14px;
  width: 42px; height: 42px;
  background: var(--va3c-gold); color: var(--va3c-deep);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 18px; z-index: 999; opacity: 0; visibility: hidden;
  transition: opacity .25s ease; box-shadow: var(--va3c-shadow); cursor: pointer; border: none;
}
.va3c-back-top-show { opacity: 1; visibility: visible; }

/* Responsive */
@media (min-width: 769px) {
  .va3c-bottom-nav { display: none; }
  main { padding-bottom: 24px; }
  .va3c-wrapper { max-width: 760px; }
}
@media (max-width: 768px) { main { padding-bottom: 80px; } }
@media (max-width: 360px) {
  .va3c-game-grid { grid-template-columns: repeat(2, 1fr); }
  .va3c-payment-grid { grid-template-columns: repeat(3, 1fr); }
}