:root{
  --gold:#f4bd38;
  --gold-title:#F6C84E;
  --gold-card:#F3C64A;
  --gold-icon:#F4C84D;
  --text:#f8f3e9;
  --text-soft:#D3CCC2;
  --line:rgba(244,189,56,.34);
  --font:"Be Vietnam Pro","Segoe UI",Arial,sans-serif;
  --display:Montserrat,"Be Vietnam Pro","Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{
  margin:0;padding-bottom:82px;color:var(--text);
  background:radial-gradient(circle at 50% 0,rgba(244,189,56,.09),transparent 24%),linear-gradient(180deg,#050402,#080704 55%,#020202);
  font:500 15px/1.55 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.section-width{width:min(1120px,calc(100% - 28px));margin-inline:auto}

/* HERO */
.hero-shell{width:100%;overflow:hidden;background:#020201;border-bottom:1px solid rgba(244,189,56,.2)}
.hero-art{position:relative;width:min(1600px,100%);margin:auto;aspect-ratio:1600/894;overflow:hidden}
.hero-art>picture{display:block;width:100%;height:100%}
.hero-art>picture>img{width:100%;height:100%;object-fit:contain;background:#020201}
.hotspot{position:absolute;display:block;border-radius:8px;z-index:4}
.hs-login{left:25.2%;top:73.3%;width:21.4%;height:12.5%}
.hs-register{left:52.5%;top:73.3%;width:21.4%;height:12.5%}
.hs-facebook{left:17%;top:90.2%;width:20.7%;height:9.5%}
.hs-telegram{left:39.2%;top:90.2%;width:21.6%;height:9.5%}
.hs-zalo{left:62.1%;top:90.2%;width:21.2%;height:9.5%}
.hotspot:focus-visible{outline:3px solid #fff;outline-offset:-3px}

/* SOCIAL BAND: mobile only */
.social-band{display:none}

/* BENEFITS */
.benefits{margin-top:18px}
.section-title{
  margin:0 0 14px;display:flex;align-items:center;justify-content:center;gap:13px;
  color:var(--gold-title);font:900 25px/1.15 var(--display);text-shadow:0 0 8px rgba(246,200,78,.18);
}
.section-title span{width:70px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.section-title span:last-child{transform:scaleX(-1)}
.benefit-grid{
  display:grid;grid-template-columns:repeat(6,1fr);overflow:hidden;border:1px solid var(--line);border-radius:10px;
  background:linear-gradient(180deg,rgba(15,14,11,.98),rgba(5,5,4,.98));
}
.benefit-grid article{
  min-height:150px;padding:18px 12px;display:flex;flex-direction:column;align-items:center;text-align:center;border-right:1px solid var(--line);
}
.benefit-grid article:last-child{border-right:0}
.benefit-icon{
  width:56px;height:56px;min-height:56px;padding:11px;border:1px solid rgba(244,189,56,.55);border-radius:50%;
  display:grid;place-items:center;color:var(--gold-icon);box-shadow:inset 0 0 12px rgba(244,189,56,.08),0 0 16px rgba(244,189,56,.08);
}
.benefit-icon svg{stroke:var(--gold-icon)}
.text-icon{padding:0;font:800 20px/1 var(--display)}
.benefit-grid b,.benefit-grid small{display:block}
.benefit-grid b{margin-top:12px;color:var(--gold-card);font:900 11px/1.25 var(--display);text-shadow:0 0 6px rgba(243,198,74,.14)}
.benefit-grid small{margin-top:6px;color:var(--text-soft);font-size:9.5px;line-height:1.45}

/* FIXED CTA */
.mobile-cta{display:none}

@media(max-width:920px){
  .benefit-grid{grid-template-columns:repeat(3,1fr)}
  .benefit-grid article:nth-child(3n){border-right:0}
  .benefit-grid article:nth-child(-n+3){border-bottom:1px solid var(--line)}
}

@media(max-width:640px){
  body{padding-bottom:78px}
  .section-width{width:calc(100% - 28px)}

  /* Mobile hero uses the dedicated image without zoom/cropping. */
  .hero-art{width:100%;height:auto;aspect-ratio:1180/542;margin:0;overflow:hidden}
  .hero-art>picture>img{width:100%;height:100%;max-width:none;margin:0;object-fit:cover}
  .hs-login{left:18.2%;top:75.7%;width:30.7%;height:20.5%}
  .hs-register{left:50.3%;top:75.7%;width:29.6%;height:20.5%}
  .hs-facebook,.hs-telegram,.hs-zalo{display:none}

  .social-band{
    width:100%;margin:0;padding:9px 8px;display:grid;grid-template-columns:repeat(3,1fr);gap:7px;
    background:linear-gradient(180deg,#090806,#030303);border-top:1px solid rgba(244,189,56,.45);border-bottom:1px solid rgba(244,189,56,.30);
  }
  .social-item{
    min-width:0;min-height:64px;padding:7px 5px;border:1px solid #c58b16;border-radius:10px;
    display:flex;align-items:center;justify-content:center;gap:6px;background:linear-gradient(180deg,#0d315f,#06162e);box-shadow:inset 0 0 14px rgba(0,0,0,.3);
  }
  .social-icon{width:36px;height:36px;min-width:36px;border-radius:50%;display:grid;place-items:center;color:#fff;background:#1877f2;font:900 25px/1 Arial,sans-serif}
  .social-telegram .social-icon{background:#229ed9;font-size:20px;transform:rotate(-18deg)}
  .social-zalo-icon{border-radius:8px;background:#fff;color:#1769e0;font-size:10px}
  .social-item b,.social-item small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .social-item b{color:#fff;font:900 10.5px/1.1 var(--display)}
  .social-item small{margin-top:4px;color:#d9e7f7;font-size:7.5px;line-height:1.1}

  /* V47: tighten the gap under social band. */
  .benefits{margin-top:2px}
  .section-title{margin-top:8px;margin-bottom:14px;font-size:21px;gap:9px}
  .section-title span{width:30px}

  .benefit-grid{grid-template-columns:1fr}
  .benefit-grid article{min-height:92px;padding:15px 16px;flex-direction:row;text-align:left;gap:15px;border-right:0;border-bottom:1px solid var(--line)}
  .benefit-grid article:last-child{border-bottom:0}
  .benefit-icon{width:54px;height:54px;min-width:54px;padding:11px}
  .benefit-grid b{margin-top:0;font-size:14px}
  .benefit-grid small{font-size:11px}

  .mobile-cta{
    position:fixed;left:8px;right:8px;bottom:7px;z-index:80;display:grid;grid-template-columns:1fr 1fr;gap:8px;
    padding:6px;border:1px solid var(--line);border-radius:15px;background:#070706;box-shadow:0 14px 34px rgba(0,0,0,.45);
  }
  .mobile-cta a{padding:13px 6px;border-radius:9px;text-align:center;font:900 14px/1 var(--display)}
  .mobile-login{color:#201300;background:linear-gradient(#fff2a3,#f4bd38 60%,#9b5b00)}
  .mobile-register{color:#fff;background:linear-gradient(#ed1d31,#a30612 64%,#550207)}
}

@media(max-width:380px){
  .section-width{width:calc(100% - 18px)}
  .social-band{gap:5px;padding:8px 5px}
  .social-item{min-height:60px;gap:4px;padding-inline:3px}
  .social-icon{width:33px;height:33px;min-width:33px}
  .social-item b{font-size:9.5px}
  .social-item small{font-size:7px}
  .benefit-grid b{font-size:13px}
}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}