/**
 * FB005 Core Stylesheet
 * All classes use s6a4- prefix for namespace isolation
 * Color palette: #2D2D2D #2F2F2F #CD853F #2C3E50 #5D5D5D
 * Mobile-first design (max-width: 430px)
 */

/* CSS Variables */
:root {
  --s6a4-bg-primary: #2D2D2D;
  --s6a4-bg-secondary: #2F2F2F;
  --s6a4-accent: #CD853F;
  --s6a4-accent-hover: #E09B50;
  --s6a4-dark: #2C3E50;
  --s6a4-muted: #5D5D5D;
  --s6a4-text: #F0EDE8;
  --s6a4-text-muted: #B0ADA8;
  --s6a4-white: #FFFFFF;
  --s6a4-border: #3A3A3A;
  --s6a4-card-bg: #333333;
  --s6a4-radius: 8px;
  --s6a4-radius-lg: 12px;
  --s6a4-shadow: 0 2px 8px rgba(0,0,0,0.3);
  --s6a4-transition: all 0.3s ease;
  font-size: 62.5%;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--s6a4-bg-primary);
  color: var(--s6a4-text);
  font-size: 1.6rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--s6a4-accent); text-decoration: none; transition: var(--s6a4-transition); }
a:hover { color: var(--s6a4-accent-hover); }
img { max-width: 100%; height: auto; display: block; }

/* Container */
.s6a4-container { max-width: 430px; margin: 0 auto; padding: 0 1.2rem; width: 100%; }
.s6a4-wrapper { padding: 1.2rem 0; }

/* Header */
.s6a4-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(135deg, var(--s6a4-bg-secondary), var(--s6a4-dark));
  border-bottom: 2px solid var(--s6a4-accent);
  height: 56px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.2rem;
}
.s6a4-header-logo {
  display: flex; align-items: center; gap: 0.8rem;
}
.s6a4-header-logo img { width: 28px; height: 28px; border-radius: 4px; }
.s6a4-header-logo span { color: var(--s6a4-accent); font-size: 1.8rem; font-weight: 700; letter-spacing: 0.5px; }
.s6a4-header-actions { display: flex; gap: 0.6rem; align-items: center; }
.s6a4-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.6rem 1.4rem; border-radius: var(--s6a4-radius);
  font-size: 1.3rem; font-weight: 600; cursor: pointer;
  border: none; transition: var(--s6a4-transition); text-decoration: none;
  min-height: 36px;
}
.s6a4-btn-primary {
  background: linear-gradient(135deg, var(--s6a4-accent), var(--s6a4-accent-hover));
  color: var(--s6a4-bg-primary);
}
.s6a4-btn-primary:hover { transform: scale(1.05); box-shadow: 0 0 12px rgba(205,133,63,0.4); color: var(--s6a4-bg-primary); }
.s6a4-btn-outline {
  background: transparent; color: var(--s6a4-accent);
  border: 1.5px solid var(--s6a4-accent);
}
.s6a4-btn-outline:hover { background: rgba(205,133,63,0.1); color: var(--s6a4-accent); }
.s6a4-menu-toggle {
  background: none; border: none; color: var(--s6a4-accent);
  font-size: 2.2rem; cursor: pointer; padding: 0.4rem;
  display: flex; align-items: center;
}

/* Mobile Menu */
.s6a4-mobile-menu {
  position: fixed; top: 0; right: -280px; width: 280px; height: 100vh;
  background: var(--s6a4-bg-secondary); z-index: 9999;
  transition: right 0.3s ease; padding-top: 6rem;
  border-left: 2px solid var(--s6a4-accent);
}
.s6a4-menu-active { right: 0; }
.s6a4-mobile-menu .s6a4-menu-close {
  position: absolute; top: 1.2rem; right: 1.2rem;
  background: none; border: none; color: var(--s6a4-accent);
  font-size: 2.4rem; cursor: pointer;
}
.s6a4-mobile-menu a {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.2rem 2rem; color: var(--s6a4-text);
  font-size: 1.5rem; border-bottom: 1px solid var(--s6a4-border);
  transition: var(--s6a4-transition);
}
.s6a4-mobile-menu a:hover { background: rgba(205,133,63,0.1); color: var(--s6a4-accent); }
.s6a4-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6); z-index: 9998; display: none;
}
.s6a4-overlay-active { display: block; }

/* Main Content */
.s6a4-main { padding-top: 56px; }

/* Carousel */
.s6a4-carousel { position: relative; overflow: hidden; border-radius: var(--s6a4-radius-lg); margin: 1rem 0; }
.s6a4-slides-wrapper { position: relative; }
.s6a4-slide {
  display: none; width: 100%; cursor: pointer;
  transition: opacity 0.5s ease; opacity: 0;
}
.s6a4-slide img { width: 100%; height: auto; border-radius: var(--s6a4-radius); }
.s6a4-dots { display: flex; justify-content: center; gap: 0.6rem; padding: 0.8rem 0; }
.s6a4-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--s6a4-muted); cursor: pointer; border: none;
  transition: var(--s6a4-transition);
}
.s6a4-dot-active { background: var(--s6a4-accent); transform: scale(1.3); }

/* Section Headings */
.s6a4-section { padding: 1.5rem 0; }
.s6a4-section-title {
  font-size: 1.8rem; font-weight: 700; color: var(--s6a4-accent);
  margin-bottom: 1rem; padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--s6a4-accent);
  display: flex; align-items: center; gap: 0.6rem;
}
.s6a4-section-title i, .s6a4-section-title .material-icons { font-size: 2rem; }

/* Game Grid */
.s6a4-cat-title {
  font-size: 1.5rem; font-weight: 600; color: var(--s6a4-text);
  margin: 1.2rem 0 0.8rem; padding-left: 0.4rem;
  border-left: 3px solid var(--s6a4-accent);
}
.s6a4-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}
.s6a4-card {
  background: var(--s6a4-card-bg); border-radius: var(--s6a4-radius);
  overflow: hidden; cursor: pointer; transition: var(--s6a4-transition);
  border: 1px solid var(--s6a4-border);
}
.s6a4-card:hover { transform: translateY(-3px); box-shadow: var(--s6a4-shadow); border-color: var(--s6a4-accent); }
.s6a4-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.s6a4-card-name {
  padding: 0.4rem; font-size: 1.1rem; text-align: center;
  color: var(--s6a4-text-muted); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}

/* Content Blocks */
.s6a4-content-block {
  background: var(--s6a4-card-bg); border-radius: var(--s6a4-radius-lg);
  padding: 1.5rem; margin: 1rem 0;
  border: 1px solid var(--s6a4-border);
}
.s6a4-content-block h2 {
  font-size: 1.6rem; color: var(--s6a4-accent); margin-bottom: 0.8rem;
}
.s6a4-content-block h3 {
  font-size: 1.4rem; color: var(--s6a4-text); margin-bottom: 0.6rem;
}
.s6a4-content-block p {
  color: var(--s6a4-text-muted); line-height: 1.6; margin-bottom: 0.8rem; font-size: 1.4rem;
}
.s6a4-content-block ul {
  padding-left: 1.6rem; margin-bottom: 0.8rem;
}
.s6a4-content-block li {
  color: var(--s6a4-text-muted); font-size: 1.3rem; margin-bottom: 0.4rem; line-height: 1.5;
}

/* Promo CTA */
.s6a4-cta {
  display: block; width: 100%; padding: 1.2rem;
  background: linear-gradient(135deg, var(--s6a4-accent), #D4A04A);
  color: var(--s6a4-bg-primary); text-align: center;
  font-size: 1.6rem; font-weight: 700; border-radius: var(--s6a4-radius-lg);
  cursor: pointer; transition: var(--s6a4-transition);
  border: none; margin: 1rem 0;
}
.s6a4-cta:hover { transform: scale(1.02); box-shadow: 0 4px 16px rgba(205,133,63,0.4); color: var(--s6a4-bg-primary); }

/* Promo text link */
.s6a4-promo-link {
  color: var(--s6a4-accent); font-weight: 600; cursor: pointer;
  text-decoration: underline; transition: var(--s6a4-transition);
}
.s6a4-promo-link:hover { color: var(--s6a4-accent-hover); }

/* Footer */
.s6a4-footer {
  background: var(--s6a4-bg-secondary); padding: 2rem 1.2rem 1rem;
  border-top: 2px solid var(--s6a4-accent);
}
.s6a4-footer-brand {
  color: var(--s6a4-text-muted); font-size: 1.3rem; line-height: 1.6;
  margin-bottom: 1.2rem;
}
.s6a4-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1rem;
}
.s6a4-footer-links a {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 1rem; background: var(--s6a4-card-bg);
  border-radius: var(--s6a4-radius); color: var(--s6a4-text);
  font-size: 1.2rem; border: 1px solid var(--s6a4-border);
  transition: var(--s6a4-transition);
}
.s6a4-footer-links a:hover { border-color: var(--s6a4-accent); color: var(--s6a4-accent); }
.s6a4-partners {
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center;
  margin: 1rem 0; padding: 1rem 0; border-top: 1px solid var(--s6a4-border);
}
.s6a4-partners img { height: 28px; opacity: 0.7; transition: var(--s6a4-transition); filter: grayscale(50%); }
.s6a4-partners img:hover { opacity: 1; filter: none; }
.s6a4-copyright {
  text-align: center; color: var(--s6a4-muted); font-size: 1.2rem;
  padding-top: 1rem; border-top: 1px solid var(--s6a4-border);
}

/* Bottom Navigation */
.s6a4-bnav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(180deg, var(--s6a4-bg-secondary), #1A1A1A);
  border-top: 2px solid var(--s6a4-accent);
  display: flex; justify-content: space-around; align-items: center;
  height: 60px; padding: 0 0.4rem;
}
.s6a4-bnav-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 60px; min-height: 56px; background: none; border: none;
  color: var(--s6a4-text-muted); cursor: pointer; transition: var(--s6a4-transition);
  padding: 0.4rem; border-radius: var(--s6a4-radius);
}
.s6a4-bnav-btn:hover, .s6a4-bnav-active {
  color: var(--s6a4-accent); transform: scale(1.1);
}
.s6a4-bnav-btn i, .s6a4-bnav-btn .material-icons, .s6a4-bnav-btn ion-icon, .s6a4-bnav-btn bi {
  font-size: 22px; margin-bottom: 2px;
}
.s6a4-bnav-label { font-size: 1rem; font-weight: 500; }

/* Responsive: hide bottom nav on desktop */
@media (min-width: 769px) {
  .s6a4-bnav { display: none; }
  .s6a4-container { max-width: 600px; }
}
@media (max-width: 768px) {
  .s6a4-main { padding-bottom: 80px; }
}

/* Utility classes */
.s6a4-text-center { text-align: center; }
.s6a4-text-accent { color: var(--s6a4-accent); }
.s6a4-mt-1 { margin-top: 0.8rem; }
.s6a4-mt-2 { margin-top: 1.6rem; }
.s6a4-mb-1 { margin-bottom: 0.8rem; }
.s6a4-mb-2 { margin-bottom: 1.6rem; }
.s6a4-hidden { display: none; }

/* Winner list */
.s6a4-winner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem 1rem; background: var(--s6a4-card-bg);
  border-radius: var(--s6a4-radius); margin-bottom: 0.6rem;
  border: 1px solid var(--s6a4-border);
}
.s6a4-winner-name { color: var(--s6a4-text); font-size: 1.3rem; font-weight: 600; }
.s6a4-winner-game { color: var(--s6a4-text-muted); font-size: 1.2rem; }
.s6a4-winner-amount { color: var(--s6a4-accent); font-weight: 700; font-size: 1.4rem; }

/* Testimonial */
.s6a4-testimonial {
  background: var(--s6a4-card-bg); border-radius: var(--s6a4-radius-lg);
  padding: 1.2rem; margin-bottom: 0.8rem; border-left: 3px solid var(--s6a4-accent);
}
.s6a4-testimonial-text { color: var(--s6a4-text-muted); font-size: 1.3rem; font-style: italic; margin-bottom: 0.4rem; }
.s6a4-testimonial-author { color: var(--s6a4-accent); font-size: 1.2rem; font-weight: 600; }

/* Payment icons */
.s6a4-payment-row {
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; margin: 1rem 0;
}
.s6a4-payment-item {
  background: var(--s6a4-card-bg); padding: 0.6rem 1rem; border-radius: var(--s6a4-radius);
  font-size: 1.2rem; color: var(--s6a4-text); border: 1px solid var(--s6a4-border);
}

/* FAQ */
.s6a4-faq-item {
  background: var(--s6a4-card-bg); border-radius: var(--s6a4-radius);
  padding: 1rem; margin-bottom: 0.6rem; border: 1px solid var(--s6a4-border);
}
.s6a4-faq-q { color: var(--s6a4-accent); font-weight: 600; font-size: 1.4rem; margin-bottom: 0.4rem; }
.s6a4-faq-a { color: var(--s6a4-text-muted); font-size: 1.3rem; line-height: 1.5; }

/* Feature list */
.s6a4-feature {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 0.8rem 0; border-bottom: 1px solid var(--s6a4-border);
}
.s6a4-feature:last-child { border-bottom: none; }
.s6a4-feature-icon {
  flex-shrink: 0; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(205,133,63,0.15); border-radius: 50%; color: var(--s6a4-accent);
}
.s6a4-feature-icon i, .s6a4-feature-icon .material-icons { font-size: 1.8rem; }
.s6a4-feature-text { flex: 1; }
.s6a4-feature-title { color: var(--s6a4-text); font-weight: 600; font-size: 1.3rem; }
.s6a4-feature-desc { color: var(--s6a4-text-muted); font-size: 1.2rem; margin-top: 0.2rem; }