/* =========================================================
   3win bet - Core base stylesheet (prefix: ga6a-)
   Language: Vietnamese | Mobile-first HTML5 casino layout
   ========================================================= */

:root{
  --ga6a-bg:#0D1117;
  --ga6a-bg-2:#141b24;
  --ga6a-bg-3:#1b2531;
  --ga6a-orange:#E65100;
  --ga6a-crimson:#DC143C;
  --ga6a-gold:#FFBF00;
  --ga6a-amber:#FFB74D;
  --ga6a-text:#E9ECEF;
  --ga6a-muted:#9aa6b2;
  --ga6a-line:rgba(255,191,0,.18);
  --ga6a-shadow:0 6px 24px rgba(0,0,0,.45);
  --ga6a-radius:14px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{font-size:62.5%;-webkit-text-size-adjust:100%}
body{
  font-family:"Segoe UI","Roboto","Helvetica Neue",Arial,sans-serif;
  background:radial-gradient(1200px 600px at 50% -10%,#1d2733 0%,var(--ga6a-bg) 60%);
  color:var(--ga6a-text);
  line-height:1.5;
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ga6a-gold);text-decoration:none}
a:hover{color:var(--ga6a-amber)}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:.2px}
h1{font-size:2.3rem}h2{font-size:2rem}h3{font-size:1.7rem}h4{font-size:1.45rem}
p{font-size:1.4rem;color:#d7dde3}

/* ---------- Layout ---------- */
.ga6a-wrapper{max-width:430px;margin:0 auto;position:relative;background:transparent}
.ga6a-container{padding:0 14px;width:100%}
.ga6a-section{padding:22px 0}
.ga6a-eyebrow{
  display:inline-block;font-size:1.2rem;font-weight:700;letter-spacing:.15em;
  text-transform:uppercase;color:var(--ga6a-gold);
  background:rgba(255,191,0,.08);border:1px solid var(--ga6a-line);
  padding:4px 10px;border-radius:999px;margin-bottom:8px;
}
.ga6a-title-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;gap:10px}
.ga6a-title-row h2{flex:1}
.ga6a-title-row .ga6a-more{font-size:1.25rem;color:var(--ga6a-amber);white-space:nowrap}

/* ---------- Header ---------- */
.ga6a-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:linear-gradient(180deg,rgba(13,17,23,.96),rgba(13,17,23,.82));
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--ga6a-line);
}
.ga6a-header-inner{
  max-width:430px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;
  padding:8px 12px;gap:8px;
}
.ga6a-logo{display:flex;align-items:center;gap:8px;min-width:0}
.ga6a-logo .ga6a-logo-mark{
  width:32px;height:32px;border-radius:8px;flex:none;
  background:conic-gradient(from 210deg,var(--ga6a-crimson),var(--ga6a-orange),var(--ga6a-gold));
  display:grid;place-items:center;font-weight:900;color:#0D1117;font-size:1.3rem;
  box-shadow:0 4px 12px rgba(220,20,60,.4);
}
.ga6a-logo b{font-size:1.5rem;color:#fff;white-space:nowrap}
.ga6a-logo small{display:block;font-size:1rem;color:var(--ga6a-gold);font-weight:600;letter-spacing:.05em}
.ga6a-header-actions{display:flex;align-items:center;gap:6px}
.ga6a-icon-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--ga6a-line);
  background:rgba(255,255,255,.04);color:#fff;display:grid;place-items:center;
  cursor:pointer;transition:.2s;font-size:1.6rem;
}
.ga6a-icon-btn:hover{background:rgba(255,191,0,.12);color:var(--ga6a-gold)}
.ga6a-btn{
  border:none;border-radius:10px;padding:8px 14px;font-size:1.3rem;font-weight:800;
  cursor:pointer;letter-spacing:.02em;transition:transform .15s,box-shadow .2s;
  display:inline-flex;align-items:center;gap:6px;
}
.ga6a-btn:active{transform:scale(.96)}
.ga6a-btn-register{
  background:linear-gradient(135deg,var(--ga6a-crimson),var(--ga6a-orange));
  color:#fff;box-shadow:0 4px 14px rgba(220,20,60,.45);
}
.ga6a-btn-login{
  background:linear-gradient(135deg,var(--ga6a-gold),var(--ga6a-amber));
  color:#1a1206;box-shadow:0 4px 14px rgba(255,191,0,.35);
}

/* ---------- Mobile menu ---------- */
.ga6a-menu{
  position:fixed;top:0;right:-86%;width:86%;max-width:360px;height:100%;
  background:linear-gradient(180deg,#121922,#0d1117);
  z-index:9999;padding:78px 16px 24px;transition:right .28s ease;
  border-left:1px solid var(--ga6a-line);overflow-y:auto;
}
.ga6a-menu.open{right:0}
.ga6a-menu-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:9998;opacity:0;visibility:hidden;transition:.25s;
}
.ga6a-menu-overlay.open{opacity:1;visibility:visible}
.ga6a-menu h4{color:var(--ga6a-gold);font-size:1.3rem;margin:14px 0 8px;letter-spacing:.08em;text-transform:uppercase}
.ga6a-menu a{
  display:block;padding:11px 12px;border-radius:10px;font-size:1.4rem;color:#d7dde3;
  border:1px solid transparent;margin-bottom:4px;
}
.ga6a-menu a:hover,.ga6a-menu a:focus{background:rgba(255,191,0,.08);color:#fff;border-color:var(--ga6a-line)}
.ga6a-menu-close{
  position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:10px;
  background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--ga6a-line);font-size:1.7rem;cursor:pointer;
}

/* ---------- Hero / Carousel ---------- */
.ga6a-main{padding-top:62px}
.ga6a-hero{padding:14px 0 6px}
.ga6a-carousel{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--ga6a-shadow)}
.ga6a-slides{display:flex;scroll-snap-type:x mandatory;overflow-x:auto;scroll-behavior:smooth;border-radius:18px}
.ga6a-slides::-webkit-scrollbar{display:none}
.ga6a-slide{
  flex:0 0 100%;scroll-snap-align:start;position:relative;
  aspect-ratio:16/9;background:#0b1118;
}
.ga6a-slide img{width:100%;height:100%;object-fit:cover}
.ga6a-slide-cap{
  position:absolute;left:14px;right:14px;bottom:14px;
  background:linear-gradient(0deg,rgba(0,0,0,.78),transparent);
  padding:24px 14px 10px;border-radius:0 0 14px 14px;
}
.ga6a-slide-cap h3{color:#fff;font-size:1.7rem;margin-bottom:4px}
.ga6a-slide-cap p{color:#e9ecef;font-size:1.25rem}
.ga6a-dots{display:flex;justify-content:center;gap:6px;margin-top:8px}
.ga6a-dots button{
  width:8px;height:8px;border-radius:50%;border:none;background:rgba(255,255,255,.3);cursor:pointer;padding:0;
}
.ga6a-dots button.active{background:var(--ga6a-gold);width:22px;border-radius:6px}

/* ---------- H1 / intro ---------- */
.ga6a-h1-block{padding:8px 0 4px;text-align:center}
.ga6a-h1-block h1{font-size:2.4rem;color:#fff}
.ga6a-h1-block h1 span{color:var(--ga6a-gold)}
.ga6a-h1-block p{margin-top:6px;color:#c7d0d8;font-size:1.35rem}

/* ---------- CTA bar ---------- */
.ga6a-cta-bar{display:flex;gap:10px;margin-top:10px}
.ga6a-cta-bar .ga6a-btn{flex:1;justify-content:center;padding:12px;font-size:1.4rem}

/* ---------- Game grid ---------- */
.ga6a-cat-head{display:flex;align-items:center;gap:8px;margin:18px 0 10px}
.ga6a-cat-head i{color:var(--ga6a-gold);font-size:1.9rem}
.ga6a-cat-head h2{color:#fff;font-size:1.85rem}
.ga6a-cat-head .ga6a-tag{
  margin-left:auto;font-size:1.1rem;padding:3px 9px;border-radius:999px;
  background:rgba(220,20,60,.15);color:var(--ga6a-amber);border:1px solid var(--ga6a-line);font-weight:700;
}
.ga6a-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
}
.ga6a-card{
  background:linear-gradient(180deg,#19222e,#11171f);
  border:1px solid var(--ga6a-line);border-radius:14px;overflow:hidden;
  transition:transform .18s,box-shadow .2s,border-color .2s;cursor:pointer;
}
.ga6a-card:hover{transform:translateY(-3px);border-color:var(--ga6a-gold);box-shadow:0 8px 22px rgba(255,191,0,.15)}
.ga6a-card-img{aspect-ratio:1/1;background:#0b1118;position:relative;overflow:hidden}
.ga6a-card-img img{width:100%;height:100%;object-fit:cover}
.ga6a-card-name{
  padding:6px 8px;font-size:1.18rem;color:#eef2f5;text-align:center;font-weight:600;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.ga6a-card-hot{
  position:absolute;top:6px;left:6px;background:var(--ga6a-crimson);color:#fff;
  font-size:1rem;font-weight:800;padding:2px 7px;border-radius:999px;letter-spacing:.04em;
}

/* ---------- Info / feature blocks ---------- */
.ga6a-feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.ga6a-feat{
  background:linear-gradient(160deg,#172029,#0f141b);
  border:1px solid var(--ga6a-line);border-radius:14px;padding:14px;
}
.ga6a-feat .ga6a-feat-ic{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,191,0,.12);color:var(--ga6a-gold);font-size:1.9rem;margin-bottom:8px;
}
.ga6a-feat h3{font-size:1.5rem;color:#fff;margin-bottom:4px}
.ga6a-feat p{font-size:1.25rem;color:#b8c2cc;line-height:1.45}

.ga6a-prose{
  background:rgba(255,255,255,.03);border:1px solid var(--ga6a-line);
  border-radius:14px;padding:16px;
}
.ga6a-prose h2{color:#fff;margin-bottom:8px}
.ga6a-prose h3{color:var(--ga6a-gold);margin:12px 0 6px}
.ga6a-prose p{margin-bottom:8px;color:#cfd6dd;font-size:1.35rem}
.ga6a-prose ul{margin:6px 0 10px 18px}
.ga6a-prose li{font-size:1.3rem;color:#c7ced5;margin-bottom:5px}
.ga6a-prose .ga6a-cta-link{color:var(--ga6a-gold);font-weight:700;border-bottom:1px dashed var(--ga6a-line)}

/* ---------- Winners strip ---------- */
.ga6a-strip{
  display:flex;gap:10px;overflow-x:auto;padding:4px 2px;scroll-behavior:smooth;
}
.ga6a-strip::-webkit-scrollbar{display:none}
.ga6a-win{
  flex:0 0 200px;background:linear-gradient(160deg,#1d2733,#11171f);
  border:1px solid var(--ga6a-line);border-radius:14px;padding:12px;
}
.ga6a-win .ga6a-win-amt{font-size:1.7rem;font-weight:900;color:var(--ga6a-gold)}
.ga6a-win .ga6a-win-game{font-size:1.25rem;color:#fff;margin-top:4px}
.ga6a-win .ga6a-win-time{font-size:1.1rem;color:var(--ga6a-muted);margin-top:6px}

/* ---------- Payment methods ---------- */
.ga6a-pay{display:flex;flex-wrap:wrap;gap:8px}
.ga6a-pay span{
  background:#172029;border:1px solid var(--ga6a-line);border-radius:10px;
  padding:8px 12px;font-size:1.2rem;color:#d7dde3;display:inline-flex;align-items:center;gap:6px;
}
.ga6a-pay i{color:var(--ga6a-gold)}

/* ---------- Testimonials ---------- */
.ga6a-quote{
  background:linear-gradient(160deg,#1b2531,#11171f);border:1px solid var(--ga6a-line);
  border-radius:14px;padding:14px;margin-bottom:10px;
}
.ga6a-quote .ga6a-quote-top{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.ga6a-quote .ga6a-avatar{
  width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--ga6a-orange),var(--ga6a-gold));
  display:grid;place-items:center;color:#0D1117;font-weight:800;font-size:1.4rem;
}
.ga6a-quote .ga6a-stars{color:var(--ga6a-gold);font-size:1.2rem;letter-spacing:2px}
.ga6a-quote p{font-size:1.28rem;color:#cfd6dd;font-style:italic}
.ga6a-quote b{color:#fff;font-size:1.3rem}

/* ---------- App CTA ---------- */
.ga6a-app{
  background:linear-gradient(135deg,#2a0d12,#3a1a02);border:1px solid var(--ga6a-line);
  border-radius:16px;padding:18px;display:flex;align-items:center;gap:14px;
}
.ga6a-app .ga6a-app-ic{
  font-size:3rem;color:var(--ga6a-gold);flex:none;
}
.ga6a-app h3{color:#fff;font-size:1.7rem}
.ga6a-app p{font-size:1.25rem;color:#e7c9a0;margin-top:4px}

/* ---------- Footer ---------- */
.ga6a-footer{
  margin-top:24px;background:linear-gradient(180deg,transparent,#0a0f15);
  border-top:1px solid var(--ga6a-line);padding:22px 0 0;
}
.ga6a-footer h4{color:var(--ga6a-gold);font-size:1.35rem;margin:12px 0 6px;text-transform:uppercase;letter-spacing:.08em}
.ga6a-footer p{font-size:1.25rem;color:#a9b2bb;line-height:1.6}
.ga6a-footer-links{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:8px 0}
.ga6a-footer-links a{font-size:1.25rem;color:#c7d0d8;padding:4px 0}
.ga6a-footer-links a:hover{color:var(--ga6a-gold)}
.ga6a-footer-cta{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.ga6a-footer-cta .ga6a-btn{flex:1;justify-content:center;min-width:130px;font-size:1.25rem;padding:9px}
.ga6a-footer-bottom{
  border-top:1px solid var(--ga6a-line);margin-top:14px;padding:10px 0;text-align:center;
  color:var(--ga6a-muted);font-size:1.15rem;
}

/* ---------- Mobile bottom nav ---------- */
.ga6a-bottomnav{
  position:fixed;bottom:0;left:0;right:0;z-index:1000;
  background:linear-gradient(180deg,rgba(13,17,23,.92),#0a0e14);
  border-top:1px solid var(--ga6a-line);
  display:flex;justify-content:space-around;align-items:stretch;height:62px;
}
.ga6a-bottomnav a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:#9aa6b2;font-size:1.05rem;gap:3px;text-decoration:none;position:relative;min-width:60px;min-height:60px;
  transition:color .2s,transform .15s;
}
.ga6a-bottomnav a i{font-size:2.2rem}
.ga6a-bottomnav a.active{color:var(--ga6a-gold)}
.ga6a-bottomnav a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:30px;height:3px;background:var(--ga6a-gold);border-radius:0 0 4px 4px;
}
.ga6a-bottomnav a:active{transform:scale(.92)}
.ga6a-bottomnav .ga6a-bn-promo{
  color:#fff;background:linear-gradient(180deg,rgba(220,20,60,.25),transparent);
}
.ga6a-bottomnav .ga6a-bn-promo i{color:var(--ga6a-amber)}

/* ---------- Desktop ---------- */
@media (min-width:769px){
  .ga6a-bottomnav{display:none}
  .ga6a-wrapper{max-width:980px}
  .ga6a-grid{grid-template-columns:repeat(6,1fr)}
  .ga6a-feat-grid{grid-template-columns:repeat(4,1fr)}
}
/* Keep mobile content clear of bottom nav */
@media (max-width:768px){
  .ga6a-main{padding-bottom:80px}
  main{padding-bottom:80px}
}