/* ===== Kèo — CSS dùng chung cho các trang công khai ===== */
:root{
  --bg:#f7f9f8; --surface:#ffffff; --surface-2:#f0f4f2; --line:#e3e9e6;
  --text:#0f1a15; --muted:#56655d; --faint:#8a978f;
  --brand:#0f8a5f; --brand-2:#0b6b4a; --brand-soft:#dff3ea; --brand-ink:#063d2a;
  --accent:#ff7a2f; --accent-soft:#ffecdf;
  --gold:#d9a400; --silver:#8e9aa3; --bronze:#b8733d; --info:#2f6fe0; --info-soft:#e4edfd; --danger:#d64545;
  --shadow:0 1px 2px rgba(16,30,24,.04),0 4px 14px -2px rgba(16,30,24,.06);
  --shadow-lg:0 2px 4px rgba(16,30,24,.04),0 18px 44px -12px rgba(16,30,24,.18);
  --r:18px; --max:1180px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0d1310; --surface:#151d19; --surface-2:#1c2621; --line:#29352f;
    --text:#e8efe9; --muted:#9aa9a0; --faint:#6f7d75;
    --brand:#2bc48a; --brand-2:#5fd8a8; --brand-soft:#163527; --brand-ink:#d8f5e8;
    --accent:#ff8f4f; --accent-soft:#3a2518; --info-soft:#18243b;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 24px rgba(0,0,0,.3); --shadow-lg:0 20px 50px -12px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --bg:#0d1310; --surface:#151d19; --surface-2:#1c2621; --line:#29352f;
  --text:#e8efe9; --muted:#9aa9a0; --faint:#6f7d75;
  --brand:#2bc48a; --brand-2:#5fd8a8; --brand-soft:#163527; --brand-ink:#d8f5e8;
  --accent:#ff8f4f; --accent-soft:#3a2518; --info-soft:#18243b;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 24px rgba(0,0,0,.3); --shadow-lg:0 20px 50px -12px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font-family:"Be Vietnam Pro",system-ui,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit}
img,svg{max-width:100%}
h1,h2,h3,h4{margin:0;line-height:1.18;letter-spacing:-.025em;font-weight:800;text-wrap:balance}
h3,h4{font-weight:700;letter-spacing:-.015em}
::selection{background:var(--brand-soft);color:var(--brand-ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
p{margin:0}
.muted{color:var(--muted)} .faint{color:var(--faint)}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.row{display:flex;align-items:center;gap:12px}
.wrap{flex-wrap:wrap}
.center{text-align:center}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* buttons, chips */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:15px;text-decoration:none;white-space:nowrap;transition:transform .15s,background .15s,border-color .15s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 6px 16px -8px rgba(15,138,95,.7)}
.btn-primary:hover{background:var(--brand-2)}
.btn-accent{background:var(--accent);color:#fff}
.btn-ghost{background:var(--surface);border-color:var(--line);box-shadow:0 1px 2px rgba(16,30,24,.04)}
.btn-ghost:hover{border-color:var(--text)}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:10px}
.btn-lg{padding:15px 26px;font-size:16px;border-radius:14px}
.btn-block{width:100%}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:99px;background:var(--surface-2);color:var(--muted);white-space:nowrap;max-width:100%}
.tag.green{background:var(--brand-soft);color:var(--brand-2)}
.tag.orange{background:var(--accent-soft);color:var(--accent)}
.tag.blue{background:var(--info-soft);color:var(--info)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand)}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:currentColor;opacity:.6}
.center .eyebrow::after,.sec-head .eyebrow::after{content:"";width:18px;height:2px;border-radius:2px;background:currentColor;opacity:.6}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
a.card{transition:transform .2s,box-shadow .2s,border-color .2s}
a.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand) 25%,var(--line))}
/* ô biểu tượng */
.ico-tile{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);flex:none}
.ico-tile .i{width:24px;height:24px}
.ico-tile.orange{background:var(--accent-soft);color:var(--accent)}.ico-tile.blue{background:var(--info-soft);color:var(--info)}.ico-tile.gold{background:color-mix(in srgb,var(--gold) 16%,transparent);color:var(--gold)}.ico-tile.violet{background:color-mix(in srgb,#7a5af8 14%,transparent);color:#7a5af8}.ico-tile.pink{background:color-mix(in srgb,#e0457b 14%,transparent);color:#e0457b}
/* ảnh bìa */
.cover{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--surface-2)}
.cover-wrap{position:relative;overflow:hidden}
.cover-wrap .cover{transition:transform .5s}
a.card:hover .cover{transform:scale(1.04)}
.pad{padding:24px}
.seg{display:inline-flex;background:var(--surface-2);border-radius:12px;padding:4px;gap:2px;flex-wrap:wrap}
.seg button{border:0;background:none;padding:8px 14px;border-radius:9px;font-weight:600;font-size:14px;color:var(--muted)}
.seg button.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.avatar{border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;flex:none}

/* forms */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:14px;font-weight:600;color:var(--muted)}
.input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);outline:none}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
textarea.input{resize:vertical}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-head.scrolled{border-bottom-color:var(--line)}
.site-head .container{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.03em;text-decoration:none}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#18b57c);display:grid;place-items:center;color:#fff}
.nav{display:flex;gap:4px;margin-left:12px}
.nav a{white-space:nowrap;padding:8px 11px;border-radius:10px;text-decoration:none;font-weight:600;font-size:15px;color:var(--muted)}
.nav a:hover,.nav a.active{color:var(--text);background:var(--surface-2)}
.head-cta{margin-left:auto;display:flex;gap:8px;align-items:center}
.nav-more{position:relative}
.nav-more-btn{border:0;background:none;font:inherit;white-space:nowrap;padding:8px 11px;border-radius:10px;font-weight:600;font-size:15px;color:var(--muted);cursor:pointer}
.nav-more-btn:hover,.nav-more.open .nav-more-btn,.nav-more.on .nav-more-btn{color:var(--text);background:var(--surface-2)}
.nav-dd{display:none;position:absolute;top:calc(100% + 6px);left:0;min-width:220px;padding:6px;border-radius:16px;background:var(--surface);border:1px solid var(--line);box-shadow:0 18px 40px rgba(0,0,0,.14);z-index:60}
.nav-more.open .nav-dd{display:grid;gap:2px}
@media (hover:hover){.nav-more:hover .nav-dd{display:grid;gap:2px}.nav-more:hover .nav-more-btn{color:var(--text);background:var(--surface-2)}}
.nav-more::after{content:"";position:absolute;left:0;right:0;top:100%;height:8px}
.nav-dd a{display:block;padding:9px 12px;border-radius:10px;text-decoration:none;font-weight:600;font-size:14.5px;color:var(--text);white-space:nowrap}
.nav-dd a:hover,.nav-dd a.active{background:var(--surface-2)}
.owner-btn{white-space:nowrap}
.owner-btn.on{border-color:var(--brand);color:var(--brand)}
.mm-sep{padding:10px 12px 2px;font-size:12px;font-weight:800;color:var(--faint);text-transform:uppercase;letter-spacing:.06em}
@media (max-width:1180px){.owner-btn{display:none}}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;flex:none}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none}
.mobile-menu{display:none}

/* sections */
.section{padding:88px 0}
.section-sm{padding:56px 0}
.sec-head{max-width:680px;margin:0 auto 44px;text-align:center}
.sec-head h2{font-size:clamp(28px,3.6vw,40px);margin:10px 0 12px}
.sec-head p{color:var(--muted);font-size:17px}
.page-hero{padding:72px 0 44px;text-align:center;position:relative;isolation:isolate}
.page-hero::before{content:"";position:absolute;inset:0 0 -20px;z-index:-1;background:radial-gradient(60% 70% at 50% 0%,color-mix(in srgb,var(--brand) 12%,transparent),transparent 70%),url(img/pattern-court.svg) center/1100px auto no-repeat;-webkit-mask:linear-gradient(#000 55%,transparent);mask:linear-gradient(#000 55%,transparent)}
.page-hero h1{font-size:clamp(32px,5vw,52px);margin:10px auto 14px;max-width:820px}
.page-hero p{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto}

/* prose (legal/help) */
.prose{max-width:760px;margin:0 auto}
.prose h2{font-size:24px;margin:40px 0 12px}
.prose h3{font-size:18px;margin:24px 0 8px}
.prose p,.prose li{color:var(--muted)}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 14px}
.prose li{margin-bottom:6px}
.prose strong{color:var(--text)}
.note{padding:14px 16px;border-radius:14px;background:var(--accent-soft);color:var(--text);font-size:14px}
.toc{position:sticky;top:88px;align-self:start;font-size:14px}
.toc a{display:block;padding:6px 10px;border-radius:8px;text-decoration:none;color:var(--muted)}
.toc a:hover{background:var(--surface-2);color:var(--text)}

/* faq */
details.faq{border-bottom:1px solid var(--line);padding:4px 0}
details.faq summary{list-style:none;cursor:pointer;padding:16px 0;font-weight:700;display:flex;justify-content:space-between;gap:16px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand);transition:transform .2s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq p{color:var(--muted);padding:0 0 16px}

/* cta band */
.cta-band{border-radius:28px;padding:64px 40px;background:radial-gradient(80% 120% at 100% 0%,rgba(255,176,46,.22),transparent 55%),linear-gradient(135deg,#10915f,#053d2a);box-shadow:0 30px 60px -30px rgba(6,61,42,.6);color:#fff;position:relative;overflow:hidden;text-align:center}
.cta-band::before,.cta-band::after{content:"";position:absolute;border-radius:50%;border:40px solid rgba(255,255,255,.06)}
.cta-band::before{width:320px;height:320px;left:-120px;bottom:-160px}
.cta-band::after{width:260px;height:260px;right:-80px;top:-120px}
.cta-band h2{font-size:clamp(28px,4vw,42px);margin-bottom:12px;position:relative}
.cta-band p{opacity:.85;font-size:17px;margin-bottom:26px;position:relative}
.store{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:12px;background:#0b1410;color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.2);position:relative}
.store small{display:block;font-size:11px;opacity:.7;line-height:1.1}
.store b{display:block;font-size:15px;line-height:1.2}

/* footer */
.site-foot{border-top:1px solid var(--line);padding:56px 0 28px;margin-top:40px;background:var(--surface)}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:28px}
.foot-grid h4{font-size:14px;margin-bottom:12px}
.foot-grid a{display:block;text-decoration:none;color:var(--muted);font-size:14px;padding:4px 0}
.foot-grid a:hover{color:var(--brand)}
.foot-grid a.logo{display:flex;color:var(--text);font-size:22px}
.foot-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:36px;padding-top:20px;font-size:13px;color:var(--faint)}
.social{display:flex;gap:8px;margin-top:14px}
.social a{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;padding:0;font-size:13px;font-weight:700;color:var(--muted)}
.social a:hover{color:var(--brand);border-color:var(--brand)}

/* modal, toast */
.modal-bg{position:fixed;inset:0;background:rgba(10,16,13,.5);display:none;align-items:center;justify-content:center;z-index:100;padding:16px}
.modal-bg.show{display:flex}
.modal{background:var(--surface);border-radius:22px;width:min(480px,100%);max-height:calc(100vh - 32px);overflow:auto;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(140px);background:var(--text);color:var(--bg);padding:12px 18px;border-radius:12px;font-weight:600;z-index:200;transition:transform .3s;max-width:calc(100% - 32px)}
.toast.show{transform:translateX(-50%) translateY(0)}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media (max-width:1120px){
  .nav,.head-cta .hide-m{display:none}
  .menu-btn{display:grid}
  .mobile-menu.open{display:flex;flex-direction:column;gap:4px;padding:12px 20px 20px;border-top:1px solid var(--line);background:var(--bg)}
  .mobile-menu a{padding:12px;border-radius:10px;text-decoration:none;font-weight:600}
  .mobile-menu a:hover{background:var(--surface-2)}
}
@media (max-width:980px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-grid > div:first-child{grid-column:1/-1}
  .toc{display:none}
}
@media (max-width:640px){
  body{font-size:15px}
  .container{padding:0 16px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .section{padding:60px 0}
  .cta-band{padding:40px 20px;border-radius:22px}
  .page-hero{padding:40px 0 24px}
  .head-cta .btn-primary{padding:8px 12px;font-size:13px}
}

/* chấm đỏ "đang có trận phát trực tiếp" (bật bởi brand.js) */
.livedot{display:inline-block;width:0;height:7px;border-radius:50%;background:#e5484d;vertical-align:1px;transition:width .2s,margin .2s}
.livedot.on{width:7px;margin-right:6px;box-shadow:0 0 0 0 rgba(229,72,77,.6);animation:livepulse 1.6s infinite}
@keyframes livepulse{0%{box-shadow:0 0 0 0 rgba(229,72,77,.55)}70%{box-shadow:0 0 0 7px rgba(229,72,77,0)}100%{box-shadow:0 0 0 0 rgba(229,72,77,0)}}
.livecount{display:none;margin-left:6px;font-size:11px;font-weight:800;padding:1px 7px;border-radius:99px;background:#e5484d;color:#fff}
.livecount.on{display:inline-block}
/* lớp trang trí không bao giờ chặn bấm */
.cta-band::before,.cta-band::after,.page-hero::before,.tour-hero::after,.auth-side::after,.hero::before,.step::before,.quick::after{pointer-events:none}

/* chọn ngôn ngữ (assets/i18n.js) */
.lang-switch{height:36px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;font-size:13px;padding:0 10px;cursor:pointer;max-width:150px}
.lang-suggest .btn{white-space:nowrap}