/* ============================================================
 * suwin.sbs stylesheet - Vietnamese online casino platform
 * Palette: #34495E (dark) | #00FA9A (spring green) | #7CFC00 (lawn)
 * Every custom class uses the "w2506-" prefix.
 * Root font 62.5% so 1rem = 10px, mobile-first layout (max 430px).
 * ============================================================ */

:root {
  --w2506-primary: #34495E;
  --w2506-accent: #00FA9A;
  --w2506-accent-2: #7CFC00;
  --w2506-bg: #1f2d3d;
  --w2506-bg-soft: #2a3b4f;
  --w2506-card: #2d4258;
  --w2506-card-hi: #34506a;
  --w2506-text: #f4f8fb;
  --w2506-text-muted: #b7c4d1;
  --w2506-border: #3a4d64;
  --w2506-danger: #ff5e7e;
  --w2506-gold: #ffd24a;
  font-size: 62.5%;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, Arial, sans-serif;
  background: var(--w2506-bg);
  color: var(--w2506-text);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}
body { font-size: 1.6rem; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--w2506-accent); text-decoration: none; }
a:hover { color: var(--w2506-accent-2); }
ul { list-style: none; }

/* ---------- Layout helpers ---------- */
.w2506-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.w2506-main { padding-bottom: 90px; }
.w2506-section { padding: 2.4rem 0; }
.w2506-section-title {
  font-size: 2rem; font-weight: 800; color: var(--w2506-text);
  margin-bottom: 1.2rem; display: flex; align-items: center; gap: 0.8rem;
}
.w2506-section-title::before {
  content: ''; width: 4px; height: 22px; border-radius: 4px;
  background: linear-gradient(180deg, var(--w2506-accent), var(--w2506-accent-2));
}
.w2506-text-muted { color: var(--w2506-text-muted); }

/* ---------- Header ---------- */
.w2506-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(31, 45, 61, 0.96);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--w2506-border);
}
.w2506-header-inner {
  max-width: 430px; margin: 0 auto; padding: 0.8rem 1.2rem;
  display: flex; align-items: center; justify-content: space-between; gap: 0.8rem;
}
.w2506-logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-weight: 900; font-size: 1.9rem; color: var(--w2506-text);
}
.w2506-logo img { width: 30px; height: 30px; border-radius: 8px; }
.w2506-logo span {
  background: linear-gradient(90deg, var(--w2506-accent), var(--w2506-accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.w2506-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.w2506-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.7rem 1.4rem; border-radius: 999px; font-weight: 700; font-size: 1.3rem;
  border: none; cursor: pointer; transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  white-space: nowrap;
}
.w2506-btn:hover { transform: translateY(-1px); }
.w2506-btn-login { background: transparent; color: var(--w2506-text); border: 1px solid var(--w2506-border); }
.w2506-btn-register {
  background: linear-gradient(90deg, var(--w2506-accent), var(--w2506-accent-2));
  color: #0d1726; box-shadow: 0 4px 12px rgba(0, 250, 154, 0.32);
}
.w2506-menu-toggle {
  background: transparent; border: none; color: var(--w2506-text);
  font-size: 1.9rem; cursor: pointer; padding: 0.4rem 0.6rem; border-radius: 8px;
}

/* ---------- Mobile menu drawer ---------- */
.w2506-mobile-menu {
  position: fixed; top: 0; right: -100%; width: 78%; max-width: 320px;
  height: 100vh; z-index: 9999; background: var(--w2506-bg-soft);
  padding: 6.4rem 1.6rem 2rem; transition: right 0.28s ease;
  border-left: 1px solid var(--w2506-border); overflow-y: auto;
}
.w2506-mobile-menu.w2506-menu-open { right: 0; box-shadow: -10px 0 40px rgba(0,0,0,0.4); }
.w2506-mobile-menu a {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 1rem 0.8rem; font-size: 1.45rem; color: var(--w2506-text);
  border-bottom: 1px solid var(--w2506-border); font-weight: 600;
}
.w2506-mobile-menu a i, .w2506-mobile-menu a span.material-icons-outlined { font-size: 1.6rem; color: var(--w2506-accent); }
.w2506-mobile-menu a:hover { background: var(--w2506-card); padding-left: 1.4rem; }
.w2506-menu-overlay {
  position: fixed; inset: 0; background: rgba(13, 23, 38, 0.6);
  z-index: 9998; opacity: 0; pointer-events: none; transition: opacity 0.28s ease;
}
.w2506-menu-overlay.w2506-menu-open { opacity: 1; pointer-events: auto; }

/* ---------- Hero carousel ---------- */
.w2506-hero { margin-top: 6.4rem; }
.w2506-carousel { position: relative; border-radius: 16px; overflow: hidden; box-shadow: 0 10px 24px rgba(0,0,0,0.35); }
.w2506-slide { display: none; position: relative; cursor: pointer; }
.w2506-slide.w2506-active { display: block; }
.w2506-slide img { width: 100%; height: 190px; object-fit: cover; }
.w2506-slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(13, 23, 38, 0.88));
  padding: 1.4rem; display: flex; flex-direction: column; justify-content: flex-end;
}
.w2506-slide-title { font-size: 2.1rem; font-weight: 900; color: var(--w2506-text); }
.w2506-slide-sub { font-size: 1.25rem; color: var(--w2506-accent); margin-top: 0.2rem; }
.w2506-slide-cta {
  align-self: flex-start; margin-top: 0.8rem; padding: 0.5rem 1.2rem; border-radius: 999px;
  background: linear-gradient(90deg, var(--w2506-accent), var(--w2506-accent-2));
  color: #0d1726; font-weight: 800; font-size: 1.2rem;
}
.w2506-dots { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; }
.w2506-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.45); cursor: pointer; transition: all 0.2s; }
.w2506-dot.w2506-active { background: var(--w2506-accent); width: 22px; border-radius: 6px; }

/* ---------- CTA bar ---------- */
.w2506-cta-bar { display: flex; gap: 0.8rem; margin-top: 1.2rem; }
.w2506-cta-primary {
  flex: 1; text-align: center; padding: 1rem; border-radius: 12px; cursor: pointer; font-size: 1.4rem; font-weight: 800;
  background: linear-gradient(90deg, var(--w2506-accent), var(--w2506-accent-2)); color: #0d1726; border: none;
}
.w2506-cta-ghost {
  flex: 1; text-align: center; padding: 1rem; border-radius: 12px; cursor: pointer; font-size: 1.4rem; font-weight: 700;
  background: var(--w2506-card); color: var(--w2506-text); border: 1px solid var(--w2506-border);
}

/* ---------- Quick stats strip ---------- */
.w2506-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; margin-top: 1.4rem;
}
.w2506-stat {
  background: var(--w2506-card); border: 1px solid var(--w2506-border); border-radius: 12px; padding: 1rem 0.4rem; text-align: center;
}
.w2506-stat-num { font-size: 1.7rem; font-weight: 900; color: var(--w2506-accent); }
.w2506-stat-label { font-size: 1.1rem; color: var(--w2506-text-muted); margin-top: 0.2rem; }

/* ---------- Game filter + grid ---------- */
.w2506-filter-row {
  display: flex; gap: 0.6rem; overflow-x: auto; padding-bottom: 0.8rem; margin-bottom: 1rem;
  -webkit-overflow-scrolling: touch;
}
.w2506-filter-row::-webkit-scrollbar { display: none; }
.w2506-filter-btn {
  flex: 0 0 auto; padding: 0.55rem 1.2rem; border-radius: 999px; background: var(--w2506-card);
  color: var(--w2506-text); border: 1px solid var(--w2506-border); cursor: pointer; font-size: 1.25rem; font-weight: 600;
}
.w2506-filter-btn.w2506-active {
  background: linear-gradient(90deg, var(--w2506-accent), var(--w2506-accent-2));
  color: #0d1726; border-color: transparent;
}
.w2506-game-group { margin-bottom: 2.2rem; }
.w2506-game-group-head {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 1.65rem; font-weight: 800; margin-bottom: 0.8rem;
}
.w2506-game-group-head .w2506-tag {
  font-size: 1.05rem; padding: 0.2rem 0.7rem; border-radius: 999px;
  background: rgba(0, 250, 154, 0.15); color: var(--w2506-accent);
}
.w2506-game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; }
.w2506-game-card {
  background: var(--w2506-card); border-radius: 12px; overflow: hidden; cursor: pointer;
  border: 1px solid var(--w2506-border); transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.w2506-game-card:hover {
  transform: translateY(-3px); box-shadow: 0 8px 18px rgba(0, 250, 154, 0.2);
  border-color: var(--w2506-accent);
}
.w2506-game-card img { width: 100%; height: 84px; object-fit: cover; }
.w2506-game-name {
  padding: 0.4rem 0.4rem; font-size: 1.1rem; font-weight: 600; text-align: center; color: var(--w2506-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---------- Generic card + grid ---------- */
.w2506-card {
  background: var(--w2506-card); border-radius: 14px; padding: 1.4rem; border: 1px solid var(--w2506-border);
}
.w2506-card h3 { font-size: 1.55rem; margin-bottom: 0.6rem; color: var(--w2506-text); }
.w2506-card p { color: var(--w2506-text-muted); font-size: 1.32rem; }
.w2506-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }

/* ---------- Feature list ---------- */
.w2506-feature { display: flex; gap: 0.9rem; align-items: flex-start; margin-bottom: 1.1rem; }
.w2506-feature-icon { color: var(--w2506-accent); font-size: 2rem; flex-shrink: 0; }
.w2506-feature h4 { font-size: 1.4rem; color: var(--w2506-text); margin-bottom: 0.2rem; }
.w2506-feature p { font-size: 1.25rem; color: var(--w2506-text-muted); }

/* ---------- Steps (How to Play) ---------- */
.w2506-steps { counter-reset: step; }
.w2506-steps li { position: relative; padding-left: 3.4rem; margin-bottom: 1.2rem; counter-increment: step; }
.w2506-steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 2.6rem; height: 2.6rem;
  background: linear-gradient(135deg, var(--w2506-accent), var(--w2506-accent-2)); color: #0d1726;
  border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.3rem;
}
.w2506-steps h4 { font-size: 1.4rem; color: var(--w2506-text); margin-bottom: 0.2rem; }
.w2506-steps p { color: var(--w2506-text-muted); font-size: 1.25rem; }

/* ---------- RTP analysis compact table ---------- */
.w2506-rtp-table { width: 100%; border-collapse: collapse; font-size: 1.25rem; }
.w2506-rtp-table th, .w2506-rtp-table td { padding: 0.6rem 0.5rem; text-align: left; border-bottom: 1px solid var(--w2506-border); }
.w2506-rtp-table th { color: var(--w2506-accent); font-weight: 700; }
.w2506-rtp-table td { color: var(--w2506-text-muted); }
.w2506-rtp-bar { display: inline-block; height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--w2506-accent), var(--w2506-accent-2)); vertical-align: middle; }

/* ---------- Testimonials ---------- */
.w2506-testimonial {
  background: var(--w2506-card); border-left: 3px solid var(--w2506-accent);
  padding: 1rem 1.2rem; border-radius: 8px; margin-bottom: 0.8rem;
}
.w2506-testimonial p { font-style: italic; font-size: 1.3rem; color: var(--w2506-text); }
.w2506-testimonial .w2506-author { display: block; margin-top: 0.5rem; font-weight: 700; color: var(--w2506-accent); font-size: 1.2rem; }

/* ---------- FAQ accordion ---------- */
.w2506-faq-item { background: var(--w2506-card); border: 1px solid var(--w2506-border); border-radius: 10px; margin-bottom: 0.8rem; overflow: hidden; }
.w2506-faq-header {
  padding: 1rem 1.2rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; font-size: 1.35rem; color: var(--w2506-text);
}
.w2506-faq-header .w2506-faq-icon { color: var(--w2506-accent); transition: transform 0.3s; }
.w2506-faq-item.w2506-faq-open .w2506-faq-icon { transform: rotate(45deg); }
.w2506-faq-body { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 1.2rem; color: var(--w2506-text-muted); font-size: 1.25rem; }
.w2506-faq-item.w2506-faq-open .w2506-faq-body { max-height: 360px; padding-bottom: 1rem; }

/* ---------- Payment chips ---------- */
.w2506-pay-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.w2506-pay-chip {
  background: var(--w2506-card); border: 1px solid var(--w2506-border); border-radius: 8px;
  padding: 0.5rem 1rem; font-size: 1.2rem; color: var(--w2506-text); display: inline-flex; align-items: center; gap: 0.4rem;
}
.w2506-pay-chip i { color: var(--w2506-accent); }

/* ---------- Latest winners ---------- */
.w2506-winner {
  display: flex; justify-content: space-between; align-items: center; padding: 0.65rem 0.9rem;
  background: var(--w2506-card); border-radius: 8px; margin-bottom: 0.5rem; font-size: 1.25rem; border: 1px solid var(--w2506-border);
}
.w2506-winner strong { color: var(--w2506-accent-2); }
.w2506-winner small { color: var(--w2506-text-muted); display: block; font-size: 1.05rem; }

/* ---------- Inline promo text link ---------- */
.w2506-promo-text { color: var(--w2506-accent-2); font-weight: 700; cursor: pointer; }
.w2506-promo-text:hover { text-decoration: underline; }
.w2506-promo-btn {
  display: inline-block; padding: 0.5rem 1.2rem; border-radius: 999px; cursor: pointer; font-weight: 700; font-size: 1.25rem;
  background: linear-gradient(90deg, var(--w2506-accent), var(--w2506-accent-2)); color: #0d1726; border: none;
}

/* ---------- App download CTA ---------- */
.w2506-app-cta {
  background: linear-gradient(135deg, var(--w2506-primary), var(--w2506-bg-soft));
  border: 1px solid var(--w2506-border); border-radius: 16px; padding: 1.6rem; text-align: center;
}
.w2506-app-cta h3 { font-size: 1.7rem; color: var(--w2506-text); margin-bottom: 0.4rem; }
.w2506-app-cta p { color: var(--w2506-text-muted); font-size: 1.25rem; margin-bottom: 1rem; }
.w2506-app-buttons { display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap; }
.w2506-app-btn {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1.2rem; border-radius: 10px; cursor: pointer;
  background: var(--w2506-text); color: #0d1726; font-weight: 700; font-size: 1.25rem; border: none;
}

/* ---------- Footer ---------- */
.w2506-footer { background: var(--w2506-bg-soft); padding: 2.4rem 0 1.6rem; border-top: 1px solid var(--w2506-border); }
.w2506-footer-brand { color: var(--w2506-text-muted); font-size: 1.3rem; margin-bottom: 1rem; line-height: 1.6; }
.w2506-footer h4 { color: var(--w2506-text); font-size: 1.4rem; margin-bottom: 0.6rem; }
.w2506-footer-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; margin-bottom: 1.2rem; }
.w2506-footer-links a { font-size: 1.25rem; color: var(--w2506-text-muted); }
.w2506-footer-links a:hover { color: var(--w2506-accent); }
.w2506-footer-promos { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.2rem; }
.w2506-footer-promos button {
  padding: 0.5rem 1rem; border-radius: 8px; background: var(--w2506-card); color: var(--w2506-text);
  border: 1px solid var(--w2506-border); cursor: pointer; font-size: 1.2rem; font-weight: 600;
}
.w2506-footer-promos button:hover { border-color: var(--w2506-accent); color: var(--w2506-accent); }
.w2506-copyright { color: var(--w2506-text-muted); font-size: 1.2rem; text-align: center; padding-top: 1rem; border-top: 1px solid var(--w2506-border); }

/* ---------- Mobile bottom navigation ---------- */
.w2506-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; height: 62px; z-index: 1000;
  background: rgba(31, 45, 61, 0.98);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--w2506-border);
  display: flex; justify-content: space-around; align-items: center;
}
.w2506-bottom-nav-btn {
  flex: 1; min-width: 60px; min-height: 60px; background: transparent; border: none; color: var(--w2506-text-muted);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  cursor: pointer; font-size: 1rem; font-weight: 600; transition: color 0.2s, transform 0.2s;
}
.w2506-bottom-nav-btn i,
.w2506-bottom-nav-btn span.material-icons-outlined,
.w2506-bottom-nav-btn span.material-icons,
.w2506-bottom-nav-btn ion-icon,
.w2506-bottom-nav-btn i.bi { font-size: 22px; }
.w2506-bottom-nav-btn:hover { color: var(--w2506-accent); transform: translateY(-2px); }
.w2506-bottom-nav-btn.w2506-nav-current { color: var(--w2506-accent-2); }
.w2506-bottom-nav-btn.w2506-nav-promo { color: var(--w2506-accent); }

/* ---------- Reveal animation ---------- */
.w2506-reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.w2506-reveal.w2506-revealed { opacity: 1; transform: translateY(0); }

/* ---------- Back-to-top FAB ---------- */
.w2506-totop {
  position: fixed; right: 14px; bottom: 78px; z-index: 999;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--w2506-accent); color: #0d1726; border: none; cursor: pointer; font-size: 1.8rem;
  display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* ---------- Desktop rules ---------- */
@media (min-width: 769px) {
  .w2506-bottom-nav { display: none; }
  .w2506-main { padding-bottom: 2rem; }
  .w2506-totop { display: none; }
  .w2506-container { max-width: 720px; }
  .w2506-game-grid { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 768px) {
  .w2506-main { padding-bottom: 90px; }
}