/* ============================================================
   fun88 com vn - design-b936.css
   Mobile-first styling. All custom classes use ui93- prefix.
   Palette: #F0F8FF (light text) | #36454F (muted) | #808080 (grey)
            #191970 (deep accent) | #0E1621 (dark bg)
   Root font 62.5% => 1rem = 10px.
   ============================================================ */

:root {
  --ui93-primary: #191970;
  --ui93-accent: #FFB100;
  --ui93-accent-2: #E54B4B;
  --ui93-bg: #0E1621;
  --ui93-bg-2: #152033;
  --ui93-bg-3: #1B2A45;
  --ui93-text: #F0F8FF;
  --ui93-muted: #808080;
  --ui93-slate: #36454F;
  --ui93-border: rgba(240, 248, 255, 0.08);
  --ui93-radius: 14px;
  --ui93-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --ui93-header-h: 60px;
  --ui93-bnav-h: 62px;
  --ui93-max-w: 430px;
}

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

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

body {
  font-family: "Be Vietnam Pro", "Segoe UI", Roboto, system-ui, sans-serif;
  background: var(--ui93-bg);
  color: var(--ui93-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  max-width: var(--ui93-max-w);
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.ui93-container { width: 100%; padding: 0 1.4rem; }
.ui93-wrapper { padding: 1.6rem 1.4rem; }
main { display: block; padding-bottom: 90px; }

/* ---------- Header ---------- */
.ui93-header {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: var(--ui93-max-w);
  height: var(--ui93-header-h);
  background: linear-gradient(180deg, #0d1525 0%, #152033 100%);
  border-bottom: 1px solid var(--ui93-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.2rem; z-index: 1000;
}
.ui93-brand { display: flex; align-items: center; gap: 0.8rem; min-width: 0; }
.ui93-brand img { width: 30px; height: 30px; border-radius: 8px; }
.ui93-brand-name {
  font-weight: 800; font-size: 1.6rem; color: var(--ui93-text);
  white-space: nowrap; letter-spacing: 0.3px;
}
.ui93-brand-name span { color: var(--ui93-accent); }

.ui93-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.ui93-menu-btn {
  background: transparent; border: 0; color: var(--ui93-text);
  font-size: 2.2rem; width: 40px; height: 40px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
}
.ui93-menu-btn:hover { background: rgba(255, 255, 255, 0.06); }

.ui93-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  border: 0; cursor: pointer; font-weight: 700; font-size: 1.3rem;
  padding: 0.7rem 1.2rem; border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  min-height: 36px;
}
.ui93-btn:active { transform: scale(0.96); }
.ui93-btn-primary {
  background: linear-gradient(135deg, var(--ui93-accent) 0%, #ff8a00 100%);
  color: #1a1a1a; box-shadow: 0 4px 14px rgba(255, 177, 0, 0.35);
}
.ui93-btn-outline {
  background: transparent; color: var(--ui93-text);
  border: 1px solid rgba(240, 248, 255, 0.4);
}

/* ---------- Mobile expandable menu ---------- */
.ui93-mobile-menu {
  position: fixed; top: var(--ui93-header-h); left: 50%; transform: translateX(-50%);
  width: 100%; max-width: var(--ui93-max-w);
  background: var(--ui93-bg-2);
  border-bottom: 1px solid var(--ui93-border);
  padding: 0.8rem 1.4rem 1.2rem;
  z-index: 9999; max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
}
.ui93-mobile-menu.ui93-open { max-height: 520px; box-shadow: var(--ui93-shadow); }
.ui93-mobile-menu a {
  display: flex; align-items: center; gap: 0.9rem;
  padding: 1.05rem 0.6rem; border-bottom: 1px solid var(--ui93-border);
  font-size: 1.45rem; color: var(--ui93-text);
}
.ui93-mobile-menu a:last-child { border-bottom: 0; }
.ui93-mobile-menu a i { color: var(--ui93-accent); font-size: 1.8rem; width: 22px; text-align: center; }
.ui93-mobile-menu a:active { background: rgba(255, 255, 255, 0.04); }

/* ---------- Hero / Carousel ---------- */
.ui93-hero { margin-top: var(--ui93-header-h); padding: 1rem 1.4rem 0.4rem; }
.ui93-carousel {
  position: relative; border-radius: var(--ui93-radius);
  overflow: hidden; box-shadow: var(--ui93-shadow); background: var(--ui93-bg-2);
}
.ui93-carousel-track { position: relative; height: 190px; }
.ui93-carousel-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 0.6s ease; cursor: pointer;
}
.ui93-carousel-slide.ui93-active { opacity: 1; }
.ui93-carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.ui93-carousel-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.2rem; background: linear-gradient(0deg, rgba(0,0,0,0.75), transparent);
  color: var(--ui93-text); font-size: 1.4rem; font-weight: 700;
}
.ui93-carousel-dots {
  position: absolute; bottom: 8px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px;
}
.ui93-carousel-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgba(240, 248, 255, 0.4); cursor: pointer;
}
.ui93-carousel-dot.ui93-active { background: var(--ui93-accent); width: 18px; border-radius: 4px; }

/* ---------- Section headings ---------- */
.ui93-section { padding: 2rem 1.4rem; }
.ui93-section-head {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.2rem;
}
.ui93-section-title {
  font-size: 1.9rem; font-weight: 800; color: var(--ui93-text); line-height: 1.3;
}
.ui93-section-title span { color: var(--ui93-accent); }
.ui93-section-sub { color: var(--ui93-muted); font-size: 1.3rem; margin-top: 0.3rem; }

/* ---------- H1 hero block ---------- */
.ui93-hero-title {
  font-size: 2.4rem; font-weight: 900; line-height: 1.25;
  background: linear-gradient(120deg, #FFB100, #FF6A00);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ui93-hero-desc { color: var(--ui93-muted); margin-top: 0.8rem; font-size: 1.4rem; }
.ui93-hero-cta { display: flex; gap: 0.8rem; margin-top: 1.2rem; }

/* ---------- Filter chips ---------- */
.ui93-chips { display: flex; gap: 0.6rem; overflow-x: auto; padding-bottom: 0.6rem; margin-bottom: 1rem; }
.ui93-chips::-webkit-scrollbar { display: none; }
.ui93-chip {
  flex: 0 0 auto; padding: 0.55rem 1.2rem; border-radius: 999px;
  background: var(--ui93-bg-3); color: var(--ui93-text);
  font-size: 1.25rem; font-weight: 600; cursor: pointer; white-space: nowrap;
  border: 1px solid var(--ui93-border);
}
.ui93-chip.ui93-active { background: var(--ui93-accent); color: #1a1a1a; border-color: transparent; }

/* ---------- Game grid ---------- */
.ui93-game-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem;
}
.ui93-game-card {
  display: flex; flex-direction: column; align-items: center;
  background: var(--ui93-bg-2); border-radius: 12px; padding: 0.6rem 0.4rem;
  cursor: pointer; transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 1px solid var(--ui93-border); text-align: center;
}
.ui93-game-card:active { transform: scale(0.96); }
.ui93-game-card img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  border-radius: 10px; background: var(--ui93-bg-3);
}
.ui93-game-name {
  font-size: 1.15rem; color: var(--ui93-text); margin-top: 0.5rem;
  line-height: 1.25; height: 2.8em; overflow: hidden;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.ui93-game-tag {
  font-size: 1rem; color: var(--ui93-accent); margin-top: 0.3rem; font-weight: 600;
}

/* ---------- Generic cards / features ---------- */
.ui93-card {
  background: var(--ui93-bg-2); border: 1px solid var(--ui93-border);
  border-radius: var(--ui93-radius); padding: 1.4rem; margin-bottom: 1rem;
}
.ui93-card-title { font-size: 1.55rem; font-weight: 800; margin-bottom: 0.6rem; }
.ui93-card p { color: var(--ui93-muted); font-size: 1.35rem; line-height: 1.55; }
.ui93-card a { color: var(--ui93-accent); font-weight: 700; }

.ui93-feature-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem;
}
.ui93-feature {
  background: var(--ui93-bg-2); border-radius: 12px; padding: 1.2rem; text-align: center;
  border: 1px solid var(--ui93-border);
}
.ui93-feature i { font-size: 2.4rem; color: var(--ui93-accent); margin-bottom: 0.5rem; }
.ui93-feature h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 0.3rem; }
.ui93-feature p { font-size: 1.2rem; color: var(--ui93-muted); line-height: 1.4; }

/* ---------- Steps list ---------- */
.ui93-steps { list-style: none; counter-reset: step; }
.ui93-steps li {
  position: relative; padding: 0.6rem 0 0.6rem 3.6rem; min-height: 4rem;
  border-bottom: 1px solid var(--ui93-border);
}
.ui93-steps li:last-child { border-bottom: 0; }
.ui93-steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 0.5rem;
  width: 2.6rem; height: 2.6rem; border-radius: 50%;
  background: var(--ui93-accent); color: #1a1a1a;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.4rem;
}
.ui93-steps h4 { font-size: 1.4rem; font-weight: 700; }
.ui93-steps p { font-size: 1.25rem; color: var(--ui93-muted); margin-top: 0.2rem; }

/* ---------- RTP / stat table ---------- */
.ui93-stat-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.9rem 0; border-bottom: 1px dashed var(--ui93-border);
}
.ui93-stat-row:last-child { border-bottom: 0; }
.ui93-stat-label { font-size: 1.3rem; color: var(--ui93-text); }
.ui93-stat-val { font-size: 1.4rem; font-weight: 800; color: var(--ui93-accent); }
.ui93-bar { width: 100%; height: 8px; background: var(--ui93-bg-3); border-radius: 4px; overflow: hidden; margin-top: 0.4rem; }
.ui93-bar > span { display: block; height: 100%; background: linear-gradient(90deg, #FFB100, #E54B4B); }

/* ---------- Testimonials ---------- */
.ui93-testimonial {
  background: var(--ui93-bg-2); border-radius: 12px; padding: 1.2rem; margin-bottom: 0.8rem;
  border-left: 3px solid var(--ui93-accent);
}
.ui93-testimonial p { font-size: 1.3rem; color: var(--ui93-text); line-height: 1.5; }
.ui93-testimonial-meta { margin-top: 0.6rem; font-size: 1.2rem; color: var(--ui93-muted); }
.ui93-stars { color: var(--ui93-accent); font-size: 1.3rem; letter-spacing: 2px; }

/* ---------- Winners ---------- */
.ui93-winner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.7rem 0.8rem; background: var(--ui93-bg-2); border-radius: 10px; margin-bottom: 0.5rem;
}
.ui93-winner-name { font-size: 1.3rem; font-weight: 700; }
.ui93-winner-game { font-size: 1.15rem; color: var(--ui93-muted); }
.ui93-winner-amount { color: var(--ui93-accent); font-weight: 800; font-size: 1.4rem; }

/* ---------- Payment ---------- */
.ui93-pay-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.ui93-pay {
  background: var(--ui93-bg-2); border-radius: 10px; padding: 1rem 0.5rem; text-align: center;
  border: 1px solid var(--ui93-border);
}
.ui93-pay i { font-size: 2rem; color: var(--ui93-text); }
.ui93-pay span { display: block; font-size: 1.1rem; color: var(--ui93-muted); margin-top: 0.3rem; }

/* ---------- CTA banner ---------- */
.ui93-cta {
  background: linear-gradient(135deg, #191970 0%, #2a1a6a 100%);
  border-radius: var(--ui93-radius); padding: 1.6rem; text-align: center; margin: 1.2rem 0;
}
.ui93-cta h3 { font-size: 1.7rem; color: var(--ui93-text); margin-bottom: 0.5rem; }
.ui93-cta p { color: rgba(240, 248, 255, 0.8); font-size: 1.3rem; margin-bottom: 1rem; }

/* ---------- FAQ ---------- */
.ui93-faq-item {
  background: var(--ui93-bg-2); border-radius: 10px; padding: 1rem 1.2rem;
  margin-bottom: 0.6rem; border: 1px solid var(--ui93-border);
}
.ui93-faq-item h4 { font-size: 1.35rem; color: var(--ui93-accent); margin-bottom: 0.3rem; }
.ui93-faq-item p { font-size: 1.25rem; color: var(--ui93-muted); line-height: 1.5; }

/* ---------- Promo text link ---------- */
.ui93-link {
  color: var(--ui93-accent); font-weight: 700; cursor: pointer; text-decoration: underline;
}

/* ---------- Footer ---------- */
.ui93-footer {
  background: #0a1018; border-top: 1px solid var(--ui93-border);
  padding: 2rem 1.4rem 1.4rem; margin-top: 1rem;
}
.ui93-footer-brand { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.6rem; color: var(--ui93-accent); }
.ui93-footer p { color: var(--ui93-muted); font-size: 1.2rem; line-height: 1.55; margin-bottom: 1rem; }
.ui93-footer-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; margin-bottom: 1rem; }
.ui93-footer-links a {
  font-size: 1.2rem; color: var(--ui93-text);
  padding: 0.3rem 0.7rem; border: 1px solid var(--ui93-border); border-radius: 999px;
}
.ui93-footer-links a:hover { background: rgba(255, 255, 255, 0.05); }
.ui93-footer-promo {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1rem;
}
.ui93-footer-copy { font-size: 1.1rem; color: var(--ui93-muted); padding-top: 0.8rem; border-top: 1px solid var(--ui93-border); }

/* ---------- Mobile bottom nav ---------- */
.ui93-bnav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: var(--ui93-max-w); height: var(--ui93-bnav-h);
  background: linear-gradient(180deg, #152033 0%, #0d1525 100%);
  border-top: 1px solid var(--ui93-border);
  display: flex; justify-content: space-around; align-items: stretch;
  z-index: 1000; padding-bottom: env(safe-area-inset-bottom);
}
.ui93-bnav-btn {
  flex: 1; min-width: 60px; min-height: 60px;
  background: transparent; border: 0; color: var(--ui93-text);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; cursor: pointer; font-size: 1.05rem; font-weight: 600;
  position: relative; transition: color 0.15s ease, transform 0.15s ease;
}
.ui93-bnav-btn i { font-size: 22px; }
.ui93-bnav-btn .material-icons-outlined,
.ui93-bnav-btn .material-icons { font-size: 24px; }
.ui93-bnav-btn:active { transform: scale(0.92); }
.ui93-bnav-btn.ui93-current { color: var(--ui93-accent); }
.ui93-bnav-btn.ui93-current::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 28px; height: 3px; border-radius: 0 0 4px 4px; background: var(--ui93-accent);
}
.ui93-bnav-badge {
  position: absolute; top: 6px; right: 18px;
  background: var(--ui93-accent-2); color: #fff; font-size: 0.9rem;
  min-width: 16px; height: 16px; border-radius: 8px; padding: 0 4px;
  display: flex; align-items: center; justify-content: center; font-weight: 800;
}

/* ---------- Reveal animation ---------- */
.ui93-reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.ui93-reveal.ui93-visible { opacity: 1; transform: translateY(0); }

/* ---------- Desktop: hide bottom nav, widen layout ---------- */
@media (min-width: 769px) {
  body { max-width: 960px; }
  .ui93-header, .ui93-mobile-menu, .ui93-footer { max-width: 960px; }
  .ui93-bnav { display: none; }
  main { padding-bottom: 30px; }
  .ui93-game-grid { grid-template-columns: repeat(6, 1fr); }
  .ui93-feature-grid { grid-template-columns: repeat(4, 1fr); }
  .ui93-pay-grid { grid-template-columns: repeat(6, 1fr); }
}

/* Small phones: ensure touch targets stay >= 44px */
@media (max-width: 360px) {
  .ui93-game-grid { grid-template-columns: repeat(2, 1fr); }
  .ui93-hero-title { font-size: 2.1rem; }
}