/* Nhẩm Nhanh · trang tĩnh SEO. Ngôn ngữ hình lấy từ bộ ảnh App Store đã chốt 30/10:
   vở ô ly của app, logo chấm đỏ, phím 3D ở góc, máy nghiêng có mảnh bật ra viền vàng + mực,
   dải sóng vàng ở cuối với tiêu đề chữ đậm. Ngôi đền dùng theme đêm/vàng kim riêng.
   Không JS, không webfont: SF Pro/system, serif hệ thống cho Ngôi đền. */
:root{
  /* Layout: hero hai cột (chữ | máy + mảnh bật ra) trên giấy ô ly, thân trang đặt thẳng trên giấy, kết bằng dải sóng */
  --paper:#EEF2F7; --grid:#DCE4EE; --grid-major:#C6D3E3;
  --ink:#1C2A4A; --ink-soft:#5B6B8C; --white:#FFFFFF;
  --yellow:#FFE45C; --red:#D6362F;
  --night:#0E1628; --night-2:#18264A; --gold:#E8C766; --gold-soft:#C9B27A;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:"New York","Iowan Old Style","Palatino Linotype",Georgia,"Times New Roman",serif;
  --gutter-l:max(16px,env(safe-area-inset-left,0px));
  --gutter-r:max(16px,env(safe-area-inset-right,0px));
  --max:1120px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px,transparent 1px),linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),
    linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:96px 96px,96px 96px,24px 24px,24px 24px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-underline-offset:4px;text-decoration-thickness:2px}
a:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:6px}
h1,h2,h3{text-wrap:balance;margin:0}
p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--gutter-l);padding-right:var(--gutter-r)}

/* ---------- Thanh trên ---------- */
.top{position:relative;z-index:3}
.top .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;padding-block:18px 6px}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;text-decoration:none;font-weight:900;font-size:22px;letter-spacing:-.04em}
.brand img{width:38px;height:38px;border-radius:10px;box-shadow:0 0 0 2px var(--ink),3px 4px 0 2px var(--ink)}
.brand i{font-style:normal;color:var(--red)}
.nav{display:flex;flex-wrap:wrap;gap:2px 6px;font-weight:700;font-size:15.5px}
.nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 10px;text-decoration:none;border-radius:10px}
.nav a:hover{background:rgba(255,255,255,.7)}
.nav a[aria-current=page]{background:var(--yellow);box-shadow:0 0 0 2px var(--ink),2px 3px 0 2px var(--ink);margin:0 4px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;overflow:clip}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 420px 460px at 76% 55%,rgba(255,228,92,.55),rgba(255,228,92,0) 70%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);align-items:center;gap:32px;padding-block:40px 64px}
.hero-copy{position:relative;z-index:2;min-width:0}
.kicker{display:inline-block;margin-bottom:14px;font-size:13px;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.hero h1{font-size:clamp(40px,6.4vw,74px);font-weight:900;line-height:1.02;letter-spacing:-.04em}
.hero h1 mark{position:relative;z-index:0;background:none;color:inherit;white-space:nowrap}
.hero h1 mark::before{content:"";position:absolute;z-index:-1;left:-.12em;right:-.12em;top:.52em;bottom:.02em;background:var(--yellow);border-radius:.12em .3em .16em .34em;transform:rotate(-1.5deg)}
.lead{margin-top:20px;max-width:34em;font-size:clamp(18px,2.2vw,21px);line-height:1.5;color:var(--ink-soft)}
.lead em,.band-sub em{font-style:italic;font-weight:800;color:var(--red)}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;margin-top:28px}
.quiet-link{font-weight:700;display:inline-flex;align-items:center;min-height:44px}

/* Nút vàng có đế lệch, như nút trong game */
.cta{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 28px;
  background:var(--yellow);color:var(--ink);border:2px solid var(--ink);border-radius:12px;box-shadow:3px 3px 0 var(--ink);
  font-weight:900;font-size:18px;letter-spacing:-.01em;text-decoration:none;transition:transform .08s,box-shadow .08s}
.cta:hover{transform:translate(1px,1px);box-shadow:2px 2px 0 var(--ink)}
.cta:active{transform:translate(3px,3px);box-shadow:0 0 0 var(--ink)}
.cta.white{background:var(--white)}
.cta.ink{background:var(--ink);color:var(--white);box-shadow:3px 3px 0 var(--yellow),3px 3px 0 2px var(--ink)}
.cta .arrow{font-size:20px;line-height:1}

/* Máy nghiêng + mảnh bật ra */
.hero-art{position:relative;min-height:470px;display:flex;align-items:center;justify-content:center}
.phone{position:relative;z-index:1;width:min(250px,62vw);padding:7px;background:var(--ink);border-radius:38px;
  box-shadow:9px 11px 0 rgba(28,42,74,.85),0 30px 50px rgba(28,42,74,.22);transform:rotate(var(--r,-4deg))}
.phone img{width:100%;border-radius:31px;aspect-ratio:478/1040;object-fit:cover}
.phone.back{position:absolute;width:min(210px,52vw);--r:7deg;left:56%;top:6%;z-index:0;opacity:.96}
.hero-art.fan .phone{transform:translateX(18%) rotate(5deg)}
.hero-art.fan .phone.back{left:2%;right:auto;top:9%;transform:rotate(-8deg)}
.pop{position:absolute;z-index:2;display:inline-flex;align-items:center;padding:6px 14px;background:var(--white);
  border:4px solid var(--yellow);border-radius:14px;
  box-shadow:0 0 0 3px var(--ink),5px 6px 0 3px var(--ink),0 0 34px 10px rgba(255,228,92,.7);
  font-weight:900;font-size:clamp(20px,2.4vw,28px);letter-spacing:-.02em;font-variant-numeric:tabular-nums;white-space:nowrap;transform:rotate(var(--r,0deg))}
.pop small{font-size:.55em;font-weight:800;color:var(--ink-soft);margin-left:8px;letter-spacing:0}
.pop.red{color:var(--red)}
.burst{position:absolute;z-index:2;width:22px;height:22px;background:var(--yellow);
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%)}
.burst.red{background:var(--red)}.burst.ink{background:var(--ink)}

/* Phím 3D cùng chất liệu với icon app */
.key{--s:64px;position:absolute;z-index:1;width:var(--s);height:var(--s);display:grid;place-items:center;
  border:3px solid var(--ink);border-radius:calc(var(--s)*.24);font-weight:900;font-size:calc(var(--s)*.5);line-height:1;
  background:linear-gradient(160deg,#fff 0%,#E6ECF4 100%);color:var(--ink);
  box-shadow:0 calc(var(--s)*.09) 0 var(--ink),0 14px 22px rgba(28,42,74,.18);transform:rotate(var(--r,0deg));user-select:none}
.key.yellow{background:linear-gradient(160deg,#FFF29A 0%,var(--yellow) 60%,#F2CC2A 100%)}
.key.red{background:linear-gradient(160deg,#F25B52 0%,var(--red) 100%);color:var(--white)}
.key.inline{position:relative;flex:none}
.deco{pointer-events:none}

/* ---------- Thân trang ---------- */
.section{padding-block:28px 36px}
.section h2{font-size:clamp(28px,3.6vw,40px);font-weight:900;letter-spacing:-.035em;line-height:1.1}
.section-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 24px;margin-bottom:22px}
.section-head p{color:var(--ink-soft);max-width:36em}
.prose{max-width:40em;display:grid;gap:14px}
.prose p{color:var(--ink)}

/* Lưới chế độ: phím 3D mang con số thật của luật */
.modes{list-style:none;margin:0;padding:0;display:grid;gap:18px;grid-template-columns:repeat(6,minmax(0,1fr))}
.modes li{grid-column:span 2}
.modes li:nth-child(4),.modes li:nth-child(5){grid-column:span 3}
.mode{position:relative;height:100%;display:grid;grid-template-columns:auto 1fr;gap:6px 16px;align-content:start;padding:20px;
  background:var(--white);border:2px solid var(--ink);border-radius:16px;box-shadow:3px 3px 0 var(--ink)}
.mode .key{--s:58px;grid-row:span 2;font-size:24px;letter-spacing:-.04em}
.mode h3{font-size:21px;font-weight:900;letter-spacing:-.02em;align-self:end}
.mode .tag{justify-self:start;font-size:12px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.mode p{grid-column:1/-1;margin-top:10px;font-size:16px;line-height:1.55}

/* Bước có thứ tự: phím số */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}
.steps li{display:flex;gap:16px;align-items:flex-start;padding:4px 0}
.steps .key{--s:48px;font-size:24px}
.steps p{min-width:0;padding-top:4px}
.steps b{display:block;font-size:18px;letter-spacing:-.01em}

/* Hàng chế độ chi tiết: máy + luật */
.mode-row{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;align-items:center;padding-block:36px;border-top:2px dashed var(--grid-major)}
.mode-row:nth-of-type(even){grid-template-columns:minmax(0,1fr) 260px}
.mode-row:nth-of-type(even) .mode-shot{order:2}
.mode-shot{position:relative;display:flex;justify-content:center;padding:10px 0 18px}
.mode-shot .phone{width:220px;--r:-3deg}
.mode-row:nth-of-type(even) .mode-shot .phone{--r:3deg}
.mode-shot .pop{bottom:4px;right:-6px;font-size:20px}
.mode-text{min-width:0}
.mode-text .title{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.mode-text .title .key{--s:52px;font-size:22px;letter-spacing:-.04em}
.mode-text h2,.mode-text h3{font-size:clamp(26px,3.2vw,36px);font-weight:900;letter-spacing:-.035em;line-height:1.1}
.mode-text > p{max-width:34em;font-size:18px;color:var(--ink-soft)}
.facts{margin:18px 0 0;display:grid;gap:0;max-width:34em;background:var(--white);border:2px solid var(--ink);border-radius:14px;box-shadow:3px 3px 0 var(--ink);overflow:hidden}
.facts div{display:grid;grid-template-columns:8.5em minmax(0,1fr);gap:12px;padding:11px 16px;border-top:1px solid var(--grid)}
.facts div:first-child{border-top:0}
.facts dt{font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);padding-top:2px}
.facts dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums}
.duo{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));margin-top:18px}
.duo .facts{margin-top:10px}
.duo h3{font-size:22px;font-weight:900;letter-spacing:-.02em}

.duo > div{min-width:0}
.duo h2{font-size:clamp(24px,2.8vw,30px);margin-bottom:10px}
.duo p + p{margin-top:12px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px 40px;align-items:start}
.notes{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.notes li{padding-left:18px;border-left:4px solid var(--yellow);min-width:0}
.notes b{display:block;font-size:18px}

/* Bảng mô phỏng tab (không số liệu) */
.tabs-demo{display:grid;gap:12px;padding:20px;background:var(--white);border:2px solid var(--ink);border-radius:16px;box-shadow:3px 3px 0 var(--ink)}
.tabrow{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:6px 14px;border:2px solid var(--ink);border-radius:12px;font-weight:800;font-size:15px;background:var(--white)}
.chip.on{background:var(--ink);color:var(--white)}
.chip.tier{border-radius:14px;min-width:64px}
.chip.tier.all{border-style:dashed}
.chip.tier.on{background:var(--yellow);color:var(--ink)}
.tabs-demo .note{font-size:14px;color:var(--ink-soft)}

/* Khối tải app */
.store{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px 18px;align-items:center;max-width:30em;margin-top:26px;padding:18px;
  background:var(--white);border:2px solid var(--ink);border-radius:18px;box-shadow:3px 3px 0 var(--ink)}
.store img{width:64px;height:64px;border-radius:15px;box-shadow:0 0 0 2px var(--ink)}
.store b{display:block;font-size:18px;letter-spacing:-.01em}
.store span{color:var(--ink-soft);font-size:15px}
.store .cta{grid-column:1/-1;width:100%}

/* ---------- Dải sóng vàng cuối trang ---------- */
.band{position:relative;margin-top:40px;background:var(--yellow);color:var(--ink)}
.band-wave{position:absolute;left:0;right:0;bottom:calc(100% - 2px);width:100%;height:56px;display:block}
.band-wave path.fill{fill:var(--yellow)}
.band-wave path.edge{fill:none;stroke:var(--ink);stroke-width:3}
.band .wrap{padding-block:30px 26px;text-align:center}
.band-title{font-size:clamp(40px,8vw,92px);font-weight:900;line-height:.98;letter-spacing:-.045em;text-transform:uppercase;text-shadow:4px 5px 0 var(--white)}
.band-sub{margin-top:12px;font-size:clamp(18px,2.4vw,24px);font-weight:700}
.band .actions{justify-content:center;margin-top:26px}
.foot{display:flex;flex-wrap:wrap;justify-content:center;gap:2px 18px;margin-top:30px;padding-top:14px;border-top:2px solid rgba(28,42,74,.18);font-size:15px}
.foot a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);font-weight:600}

/* ---------- Theme Ngôi đền (Bảng xếp hạng) ---------- */
.temple-hero{position:relative;overflow:hidden;overflow:clip;color:var(--white);background-color:var(--night);
  background-image:
    radial-gradient(1.5px 1.5px at 12% 22%,rgba(255,255,255,.8),transparent 60%),
    radial-gradient(1px 1px at 28% 68%,rgba(255,255,255,.6),transparent 60%),
    radial-gradient(1.5px 1.5px at 46% 14%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(1px 1px at 64% 40%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.5px 1.5px at 88% 18%,rgba(255,255,255,.75),transparent 60%),
    radial-gradient(1px 1px at 92% 74%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1px 1px at 6% 84%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(ellipse 60% 70% at 72% 0%,rgba(232,199,102,.22),transparent 70%),
    linear-gradient(180deg,var(--night) 0%,var(--night-2) 100%)}
.meander{height:14px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='14'%3E%3Cpath d='M1 13V1h20v9h-10V5h5' fill='none' stroke='%23E8C766' stroke-width='2'/%3E%3C/svg%3E") repeat-x 0 0/28px 14px;opacity:.9}
.temple-hero .top .wrap{padding-top:14px}
.temple-hero .brand,.temple-hero .nav a{color:var(--white)}
.temple-hero .brand img{box-shadow:0 0 0 2px var(--gold)}
.temple-hero .nav a:hover{background:rgba(255,255,255,.08)}
.temple-hero .nav a[aria-current=page]{background:var(--gold);color:var(--night);box-shadow:none}
.temple-hero .hero::before{display:none}
.temple-hero .kicker{color:var(--gold);font-family:var(--serif);font-weight:700;letter-spacing:.24em}
.temple-hero h1{font-family:var(--serif);font-weight:700;letter-spacing:.02em;color:var(--gold);font-size:clamp(40px,6vw,68px);line-height:1.05}
.temple-hero .lead{color:#C9D3E6}
.temple-hero .quiet-link{color:var(--white)}
.temple-art{position:relative;padding:12px;border:2px solid var(--gold);border-radius:22px;background:rgba(14,22,40,.55);box-shadow:0 0 60px rgba(232,199,102,.25)}
.temple-art img{border-radius:14px;width:100%;aspect-ratio:900/683;object-fit:cover}
.temple-art .plate{position:absolute;left:50%;top:-16px;transform:translateX(-50%);padding:4px 16px;background:var(--gold);color:var(--night);border-radius:6px;font-family:var(--serif);font-weight:700;font-size:14px;letter-spacing:.16em;white-space:nowrap}
.band.temple{background:var(--night);color:var(--white)}
.band.temple .band-wave path.fill{fill:var(--night)}
.band.temple .band-wave path.edge{stroke:var(--gold)}
.band.temple .band-title{font-family:var(--serif);font-weight:700;letter-spacing:.06em;color:var(--gold);text-shadow:none;font-size:clamp(34px,6.4vw,72px)}
.band.temple .band-sub{font-family:var(--serif);font-weight:400;color:#C9D3E6}
.band.temple .band-sub em{color:var(--gold);font-weight:400}
.band.temple .foot{border-top-color:rgba(232,199,102,.3)}
.band.temple .foot a{color:#C9D3E6}

/* ---------- Đáp ứng ---------- */
@media (max-width:900px){
  .hero .wrap{grid-template-columns:minmax(0,1fr);gap:8px;padding-block:24px 48px}
  .hero-art{min-height:420px}
  .modes{grid-template-columns:repeat(2,minmax(0,1fr))}
  .modes li,.modes li:nth-child(4),.modes li:nth-child(5){grid-column:span 1}
  .modes li:nth-child(5){grid-column:1/-1}
  .mode-row,.mode-row:nth-of-type(even){grid-template-columns:200px minmax(0,1fr);gap:28px}
  .mode-row:nth-of-type(even) .mode-shot{order:0}
  .mode-shot .phone{width:180px}
  .split{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:620px){
  body{font-size:16.5px}
  .top .wrap{padding-top:12px}
  .nav{width:100%;flex-wrap:nowrap;justify-content:space-between;gap:0;font-size:14px;letter-spacing:-.01em}
  .nav a{padding:0 6px;white-space:nowrap}
  .nav a[aria-current=page]{margin:0 2px}
  .hero-art{min-height:380px}
  .phone{width:200px}
  .phone.back{width:160px;left:54%}
  .modes{grid-template-columns:minmax(0,1fr)}
  .modes li:nth-child(5){grid-column:auto}
  .mode-row,.mode-row:nth-of-type(even){grid-template-columns:minmax(0,1fr);gap:8px;padding-block:28px}
  .mode-shot .phone{width:170px}
  .facts div{grid-template-columns:minmax(0,1fr);gap:0}
  .actions .cta{flex:1 1 100%}
  .key.hide-sm{display:none}
}
@media (max-width:370px){
  .nav{font-size:13px}
  .nav a{padding:0 5px}
}
@media (max-width:340px){.nav{flex-wrap:wrap;justify-content:flex-start}}
@media (prefers-reduced-motion:reduce){.cta{transition:none}.cta:hover,.cta:active{transform:none}}