[data-theme="light"]{
  --bg:#F7F1E7;--bg2:#FFFCF6;--panel:#FFFFFF;--panel2:#F1E8DA;
  --soft:#EFE6D8;--bd:#DCCDB6;--bd2:#EBE2D4;
  --tx:#241C15;--tx2:#4E4034;--tx3:#6E5F51;
  --brand:#B0432A;--brandi:#FFF6F1;--acc:#12655C;--accbd:#A9D2CB;
  --mark:#B0432A;--hdbg:rgba(247,241,231,.93);--ovl:rgba(36,28,21,.42);
  --shadow:0 14px 34px rgba(36,28,21,.09);
  --surf:#1E8F80;--surf2:#17756A;--apron:#C9784A;--cl:#FFFFFF;
  --slab:#E4D6C1;--fence:rgba(60,45,32,.22);
  --stripA:#1A0E08;--stripB:#33180D;--stripTx:#D9C4B4;--stripName:#F0906F;--stripBd:rgba(240,144,111,.3)}
[data-theme="dark"]{
  --bg:#191410;--bg2:#14100D;--panel:#221B15;--panel2:#2A211A;
  --soft:rgba(255,255,255,.06);--bd:rgba(255,255,255,.16);--bd2:rgba(255,255,255,.08);
  --tx:#F6EEE2;--tx2:#C8B9A7;--tx3:#968675;
  --brand:#E8785A;--brandi:#260C05;--acc:#4FC2B2;--accbd:rgba(79,194,178,.42);
  --mark:#F6EEE2;--hdbg:rgba(25,20,16,.9);--ovl:rgba(0,0,0,.64);
  --shadow:0 16px 40px rgba(0,0,0,.45);
  --surf:#14655C;--surf2:#0F5049;--apron:#8A4A2C;--cl:rgba(255,255,255,.9);
  --slab:#2B2219;--fence:rgba(255,255,255,.14);
  --stripA:#150A05;--stripB:#2C140A;--stripTx:#C8B4A4;--stripName:#F0906F;--stripBd:rgba(240,144,111,.26)}

:root{--f-d:'Syne','Manrope',system-ui,sans-serif;--f-u:'Manrope',system-ui,sans-serif;
  --r:9px;--rl:13px;--max:780px;--f-hand:'Caveat','Manrope',cursive}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font-family:var(--f-u);
  font-size:16px;line-height:1.6;overflow-x:clip;
  transition:background .4s ease,color .4s ease}
img,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:var(--f-d);letter-spacing:-.028em;line-height:1.07;margin:0}
p{margin:0}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:20px}
.eyebrow{font:700 11px var(--f-u);letter-spacing:.16em;color:var(--acc);
  margin:0 0 12px;text-transform:uppercase}
[lang-vi]{display:none!important}
[data-lang="vi"] [lang-en]{display:none!important}
[data-lang="vi"] [lang-vi]{display:revert!important}
html[data-lang="vi"]{--f-d:'Manrope',system-ui,sans-serif}
.mk{color:var(--mark);overflow:visible;flex:none}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font:700 15px var(--f-u);border-radius:var(--r);padding:15px 18px;min-height:52px;
  text-decoration:none;border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .15s ease,filter .2s ease,background .2s ease,box-shadow .2s ease;min-width:0}
.btn:active{transform:translateY(1px)}
.b1{background:var(--brand);color:var(--brandi)}
.b1:hover{filter:brightness(1.08)}
.b2{border-color:var(--bd);color:var(--tx);background:transparent}
.b2:hover{background:var(--soft)}
.brow{display:flex;gap:10px;margin-top:22px}
.brow .btn{flex:1}

header{position:sticky;top:0;z-index:60;background:var(--hdbg);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--bd2)}
.hd{display:flex;align-items:center;gap:8px;height:60px}
.brand{display:flex;align-items:center;gap:9px;font:800 18px var(--f-d);
  letter-spacing:-.02em;background:none;border:0;padding:6px 4px;margin-inline-start:-4px;
  color:var(--tx);cursor:pointer;min-height:44px;min-width:0}
.brand span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tools{display:flex;align-items:center;gap:2px;margin-inline-start:auto;flex:none}
@media(max-width:359px){.brand{font-size:16px;gap:7px}
  .tgl button{min-width:40px;padding:0 6px}.icb{width:40px}}
.tgl{display:flex;border:1px solid var(--bd2);border-radius:999px;overflow:hidden}
.tgl button{background:none;border:0;padding:0 10px;height:44px;min-width:44px;
  font:700 12px var(--f-u);color:var(--tx3);cursor:pointer}
.tgl button[aria-pressed="true"]{color:var(--brandi);background:var(--brand)}
.icb{background:none;border:0;width:44px;height:44px;border-radius:11px;color:var(--tx2);
  display:grid;place-items:center;cursor:pointer;font-size:17px}
.icb:hover{background:var(--soft)}

.nav{position:fixed;inset:0;z-index:70;background:var(--ovl);opacity:0;
  pointer-events:none;transition:opacity .25s ease}
.nav.on{opacity:1;pointer-events:auto}
.navp{position:absolute;inset-inline:0;top:0;background:var(--bg2);
  border-bottom:1px solid var(--bd);padding:14px 20px 22px;
  transform:translateY(-102%);transition:transform .34s cubic-bezier(.2,.85,.25,1);
  max-width:var(--max);margin:0 auto}
.nav.on .navp{transform:none}
.navh{display:flex;align-items:center;height:46px;margin-bottom:6px}
.navh b{font:800 16px var(--f-d)}
.navh .icb{margin-inline-start:auto}
.nav a{display:flex;align-items:center;min-height:52px;border-bottom:1px solid var(--bd2);
  text-decoration:none;font-weight:700;font-size:16px;gap:10px}
.nav a:last-of-type{border-bottom:0}
.nav a i{font-style:normal;color:var(--acc);font-size:13px;width:20px}
.nav .btn{margin-top:14px;width:100%}

section{padding:40px 0}
section[id],#board{scroll-margin-block-start:70px}
.shead{margin-bottom:22px}
.shead h2{font-size:clamp(25px,6.2vw,36px);margin-bottom:9px}
.shead p{color:var(--tx2);font-size:15.5px;max-width:60ch}
.alt{background:var(--bg2);border-block:1px solid var(--bd2)}
h1{font-size:clamp(33px,8.6vw,56px);margin-bottom:14px}
h1 em{font-style:normal;color:var(--brand)}
.lede{color:var(--tx2);font-size:clamp(15.5px,4.1vw,18px);max-width:62ch}
.pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--bd);
  border-radius:999px;padding:7px 13px;font:700 12px var(--f-u);color:var(--tx2);
  background:var(--panel);margin-bottom:16px}
.pill s{width:7px;height:7px;border-radius:50%;background:var(--brand);text-decoration:none;
  animation:blip 2.4s ease-in-out infinite}
@keyframes blip{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.trust{margin-top:20px;color:var(--tx3);font-size:13px;line-height:1.55}

.cards{display:grid;gap:12px}
.card{background:var(--panel);border:1px solid var(--bd2);border-radius:var(--rl);
  padding:17px;container-type:inline-size;box-shadow:var(--shadow)}
.card i{font-style:normal;display:grid;place-items:center;width:38px;height:38px;
  border-radius:10px;background:var(--soft);color:var(--brand);font-size:17px;
  margin-bottom:12px;flex:none}
.card h3{font-size:17px;margin-bottom:6px}
.card p{color:var(--tx2);font-size:14.5px}
@container (min-width:430px){
  .card{display:grid;grid-template-columns:auto 1fr;column-gap:14px;align-items:start}
  .card i{margin-bottom:0;grid-row:span 2}}

.nots{display:grid;gap:10px}
.not{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;
  background:var(--panel);border:1px solid var(--bd2);border-radius:var(--rl);padding:14px 15px}
.not i{font-style:normal;color:var(--tx3);font-size:14px;line-height:1.5}
.not b{display:block;font:700 15px var(--f-u);margin-bottom:2px}
.not span{color:var(--tx3);font-size:13.5px;line-height:1.5}

.tiers{display:grid;gap:12px}
.tier{background:var(--panel);border:1px solid var(--bd2);border-radius:var(--rl);
  padding:17px;position:relative;box-shadow:var(--shadow)}
.tier.here{border-color:var(--brand);border-width:2px;padding:16px}
.tth{display:flex;align-items:center;gap:9px;margin-bottom:4px}
.tth i{font-style:normal;font-size:17px;color:var(--brand)}
.tth h3{font-size:19px}
.tth u{margin-inline-start:auto;text-decoration:none;font:800 9.5px var(--f-u);
  letter-spacing:.12em;background:var(--brand);color:var(--brandi);
  padding:5px 8px;border-radius:999px;white-space:nowrap}
.tprice{font:800 20px var(--f-d);margin:8px 0 3px}
.tsub{font-weight:700;font-size:14px;margin-bottom:5px}
.tier p{color:var(--tx2);font-size:14px}
.tier .ann{margin-top:8px;font-size:12.5px;color:var(--tx3)}

.pcard{background:var(--panel);border:1px solid var(--bd);border-radius:var(--rl);
  overflow:hidden;box-shadow:var(--shadow)}
.prow{display:flex;align-items:baseline;gap:12px;padding:14px 16px;border-block-end:1px solid var(--bd2)}
.prow span{font-size:14px;color:var(--tx2);min-width:0}
.prow b{margin-inline-start:auto;font:800 16px var(--f-d);white-space:nowrap;text-align:end}
.prow.big b{font-size:24px;color:var(--brand)}
.prow.free b{color:var(--acc)}
.plist{padding:14px 16px 4px}
.plist div{display:grid;grid-template-columns:auto 1fr;gap:10px;margin-bottom:11px;
  font-size:14.5px;color:var(--tx2);align-items:start}
.plist i{font-style:normal;color:var(--brand);font-weight:800;line-height:1.5}
.pfoot{padding:4px 16px 16px}
.pfoot .btn{width:100%}
.fine{margin-top:12px;color:var(--tx3);font-size:12.5px;line-height:1.55}

details{background:var(--panel);border:1px solid var(--bd2);border-radius:var(--rl);
  margin-bottom:10px;overflow:hidden}
summary{list-style:none;cursor:pointer;padding:15px 16px;font-weight:700;font-size:15.5px;
  display:flex;gap:12px;align-items:flex-start;min-height:54px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";margin-inline-start:auto;color:var(--brand);font-weight:800;
  font-size:19px;line-height:1.2;flex:none}
details[open] summary::after{content:"\2013"}
details p{padding:0 16px 16px;color:var(--tx2);font-size:14.5px}

.band{background:var(--brand);color:var(--brandi);border-radius:var(--rl);
  padding:24px 20px;text-align:center}
.band h2{font-size:clamp(23px,5.8vw,31px);margin-bottom:9px;color:var(--brandi)}
.band p{opacity:.88;font-size:15px}
.band .brow{justify-content:center}
.band .b1{background:var(--brandi);color:var(--brand)}
.band .b2{border-color:color-mix(in srgb,var(--brandi) 45%,transparent);color:var(--brandi)}
.band .b2:hover{background:color-mix(in srgb,var(--brandi) 14%,transparent)}

/* ══ UNIVERSAL FOOTER — locked markup, every colour from a variable ══ */
footer{background:var(--bg);border-top:1px solid var(--bd)}
.fin{padding-block:30px 24px;text-align:center}
.fbrand{display:flex;align-items:center;justify-content:center;gap:10px;font:800 19px var(--f-d);
  letter-spacing:-.02em;color:var(--tx);background:none;border:0;padding:6px 4px;
  margin:0 auto;min-height:44px;cursor:pointer}
.fbrand .mk{color:var(--mark);width:26px;height:26px;flex:none}
.ftag{color:var(--tx3);font-size:13.5px;line-height:1.5;margin:8px auto 0;max-width:36ch}
.frule{height:1px;background:var(--bd2);margin:20px 0}
.frow{display:flex;flex-wrap:wrap;justify-content:center}
.flink{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 9px;
  font:600 14.5px var(--f-u);color:var(--tx2);cursor:pointer;background:none;border:0;
  text-decoration:none}
.flink:hover{color:var(--brand)}
.ftiers{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:10px}
.tchip{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 13px;
  border:1px solid var(--bd);border-radius:999px;font:700 13.5px var(--f-u);color:var(--tx2);
  background:var(--panel);cursor:pointer}
.tchip i{font-style:normal;color:var(--tx3);font-size:12px}
.tchip[aria-current="true"]{border-color:var(--brand);color:var(--tx);background:var(--panel2)}
.tchip[aria-current="true"] i{color:var(--brand)}
.fco{display:block;color:var(--tx3);font-size:12.5px;line-height:1.65;margin-top:16px}
.brandfoot{display:flex;align-items:center;justify-content:center;flex-wrap:nowrap;
  white-space:nowrap;min-height:46px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:linear-gradient(90deg,var(--stripA),var(--stripB) 45%,var(--stripA));
  border-top:1px solid var(--stripBd);color:var(--stripTx);overflow:hidden}
.bf1{font:600 9.5px var(--f-u);letter-spacing:.16em;text-transform:uppercase;
  margin-inline-end:12px;min-width:0;overflow:hidden;text-overflow:ellipsis}
.bf2{font:800 11.5px var(--f-d);letter-spacing:.04em;color:var(--stripTx)}
.bolt{margin:0 11px;font-size:11px;line-height:1}
.bf3{font:800 11.5px var(--f-d);letter-spacing:.04em;color:var(--stripName)}

/* hub tier cards get a real way through */
.tgo{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;min-height:46px;
  margin-top:13px;border-radius:var(--r);border:1px solid var(--bd);background:var(--panel2);
  color:var(--tx);font:700 13.5px var(--f-u);cursor:pointer}
.tgo::after{content:"92";font-weight:800;color:var(--brand)}
.tgo:hover{background:var(--brand);color:var(--brandi);border-color:var(--brand)}
.tgo:hover::after{color:var(--brandi)}
.tier.here .tgo{background:var(--brand);color:var(--brandi);border-color:var(--brand)}
.tier.here .tgo::after{color:var(--brandi)}
.prow.cmp{align-items:baseline;flex-wrap:wrap}
.prow.cmp span{font-size:14px}
.prow.cmp span b{font:800 15px var(--f-d);color:var(--tx);margin-inline-end:2px}
.prow.cmp em{flex-basis:100%;font-style:normal;font-size:12px;color:var(--tx3)}

#toast{position:fixed;inset-block-end:calc(18px + env(safe-area-inset-bottom));
  inset-inline:16px;z-index:90;background:var(--tx);color:var(--bg);border-radius:12px;
  padding:14px 16px;font-size:14px;font-weight:600;text-align:center;opacity:0;
  transform:translateY(12px);pointer-events:none;transition:opacity .25s ease,transform .25s ease;
  max-width:520px;margin:0 auto}
#toast.on{opacity:1;transform:none}

/* scroll reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.8,.25,1),transform .7s cubic-bezier(.2,.8,.25,1)}
.rv.in{opacity:1;transform:none}

@media(min-width:640px){
  .cards{grid-template-columns:1fr 1fr}
  .nots{grid-template-columns:1fr 1fr}
  .tiers{grid-template-columns:1fr 1fr 1fr;align-items:start}
  section{padding:56px 0}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
}

.hero{position:relative;padding:32px 0 6px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(90% 60% at 78% 4%,color-mix(in srgb,var(--acc) 16%,transparent),transparent 60%),
             radial-gradient(80% 55% at 6% 40%,color-mix(in srgb,var(--apron) 20%,transparent),transparent 62%)}
.hero .wrap{position:relative;z-index:1}

/* ── isometric club ─────────────────────────── */
.iso{position:relative;height:clamp(300px,84vw,430px);margin-top:22px;
  perspective:1400px;touch-action:pan-y}
.club{position:absolute;left:50%;top:50%;width:214px;height:376px;
  transform:translate(-50%,-50%) rotateX(56deg) rotateZ(var(--spin,-30deg)) scale(var(--sc,.86));
  transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.85,.25,1)}
.slab{position:absolute;inset:-26px -30px;background:var(--slab);border-radius:14px;
  box-shadow:0 40px 60px rgba(0,0,0,.22);transform:translateZ(-3px)}
.ct{position:absolute;width:96px;height:176px;border-radius:5px;background:var(--surf);
  border:0;padding:0;cursor:pointer;transform-style:preserve-3d;
  box-shadow:0 0 0 7px var(--apron);transition:transform .45s cubic-bezier(.2,.85,.25,1),filter .3s ease}
.ct[data-c="0"]{left:0;top:0}.ct[data-c="1"]{left:118px;top:0}
.ct[data-c="2"]{left:0;top:200px}.ct[data-c="3"]{left:118px;top:200px}
.ct.up{transform:translateZ(26px)}
.ct.freect{background:color-mix(in srgb,var(--surf) 26%,var(--slab))}
.ct.freect .kz{background:color-mix(in srgb,var(--surf2) 22%,var(--slab))}
.ct .kz{position:absolute;inset-inline:0;top:52px;height:72px;background:var(--surf2)}
.ct svg{position:absolute;inset:0;width:100%;height:100%}
.ct svg line,.ct svg rect{stroke:var(--cl);fill:none;stroke-width:1.6}
.cnet{position:absolute;left:-4px;top:88px;width:104px;height:15px;margin-top:-7.5px;
  transform:rotateX(-90deg);transform-origin:50% 100%;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.5) 0 1px,transparent 1px 4px),
             linear-gradient(180deg,rgba(0,0,0,.22),rgba(0,0,0,.08));
  border-top:2px solid #fff}
.dot{position:absolute;width:11px;height:11px;margin:-5.5px 0 0 -5.5px;border-radius:50%;
  background:var(--panel);border:2px solid var(--brand);will-change:transform}
.dot.t2{border-color:var(--acc)}
.pball{position:absolute;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;
  background:#E9F77C;box-shadow:0 0 7px rgba(233,247,124,.9);will-change:transform}
.tag[data-t="0"]{left:48px;top:88px}.tag[data-t="1"]{left:166px;top:88px}
.tag[data-t="2"]{left:48px;top:288px}.tag[data-t="3"]{left:166px;top:288px}
.tag{position:absolute;z-index:6;
  transform:translate3d(-50%,-50%,54px) rotateZ(calc(-1 * var(--spin,-30deg))) rotateX(-56deg);
  transform-origin:50% 50%;pointer-events:none}
.tag b{display:inline-flex;align-items:center;gap:5px;white-space:nowrap;
  background:var(--panel);border:1px solid var(--bd);border-radius:999px;
  padding:5px 9px;font:800 10.5px var(--f-u);color:var(--tx);box-shadow:var(--shadow)}
.tag b s{width:6px;height:6px;border-radius:50%;text-decoration:none;background:var(--brand)}
.tag.free b{color:var(--tx3)}
.tag.free b s{background:var(--accbd)}
.gate{position:absolute;left:50%;top:412px;width:60px;height:16px;margin-inline-start:-30px;
  background:var(--panel2);border:1px solid var(--bd);border-radius:4px}
.walker{position:absolute;width:11px;height:11px;margin:-5.5px 0 0 -5.5px;border-radius:50%;
  background:var(--acc);box-shadow:0 0 0 4px color-mix(in srgb,var(--acc) 22%,transparent);
  will-change:transform}
.fence{position:absolute;background:
  repeating-linear-gradient(45deg,var(--fence) 0 1px,transparent 1px 7px),
  repeating-linear-gradient(-45deg,var(--fence) 0 1px,transparent 1px 7px);
  border-top:2px solid var(--fence)}
.fN{left:-30px;right:-30px;top:-26px;height:26px;transform:rotateX(-90deg);transform-origin:50% 0}
.fS{left:-30px;right:-30px;bottom:-26px;height:26px;transform:rotateX(90deg);transform-origin:50% 100%}

.vsw{display:flex;gap:6px;margin-top:16px;overflow-x:auto;-webkit-overflow-scrolling:touch;
  padding-bottom:2px;scrollbar-width:none}
.vsw::-webkit-scrollbar{display:none}
.vsw button{flex:none;min-height:44px;padding:0 14px;border-radius:999px;border:1px solid var(--bd);
  background:var(--panel);color:var(--tx2);font:700 13px var(--f-u);cursor:pointer;white-space:nowrap}
.vsw button[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--brandi)}
.iso{margin-top:12px}
.club.swap{opacity:0;transform:translate(-50%,-50%) rotateX(56deg) rotateZ(var(--spin,-30deg)) scale(calc(var(--sc,.86)*.94))}
.club{transition:transform .5s cubic-bezier(.2,.85,.25,1),opacity .28s ease}
.isohud{position:absolute;z-index:7;inset-block-start:0;inset-inline-start:0;display:flex;gap:6px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--bd);
  border-radius:999px;padding:7px 12px;font:700 12px var(--f-u);color:var(--tx2);box-shadow:var(--shadow)}
.chip b{color:var(--tx);font-weight:800;font-variant-numeric:tabular-nums}
.taphint{display:flex;justify-content:center;margin-top:4px}
.taphint span{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--bd2);
  border-radius:999px;padding:8px 14px;background:var(--panel);font:600 11.5px var(--f-u);
  color:var(--tx3);box-shadow:var(--shadow)}

/* the court sheet */
.csheet{position:relative;margin-top:12px;background:var(--panel);border:1px solid var(--bd);
  border-radius:var(--rl);padding:14px 15px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
  transition:opacity .3s ease,transform .3s ease}
.csheet i{font-style:normal;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:var(--soft);color:var(--brand);font:800 14px var(--f-d)}
.csheet b{display:block;font:800 15px var(--f-d)}
.csheet span{font-size:13px;color:var(--tx2)}
.csheet u{text-decoration:none;font:800 11px var(--f-u);letter-spacing:.08em;
  padding:7px 11px;border-radius:999px;background:var(--brand);color:var(--brandi);white-space:nowrap}
.csheet.free u{background:var(--acc)}

/* ── check-in signature ─────────────────────── */
.sig{display:grid;gap:14px}
.flipwrap{perspective:1000px}
.mcard{position:relative;height:190px;transform-style:preserve-3d;
  transition:transform .85s cubic-bezier(.3,.9,.25,1)}
.mcard.flip{transform:rotateY(180deg)}
.face{position:absolute;inset:0;border-radius:var(--rl);border:1px solid var(--bd);
  background:var(--panel);box-shadow:var(--shadow);padding:16px;backface-visibility:hidden;
  -webkit-backface-visibility:hidden;display:flex;flex-direction:column;justify-content:space-between}
.back{transform:rotateY(180deg);background:linear-gradient(160deg,var(--panel),var(--panel2))}
.mtop{display:flex;align-items:center;gap:11px}
.av{width:44px;height:44px;border-radius:50%;background:var(--soft);color:var(--brand);
  display:grid;place-items:center;font:800 17px var(--f-d);flex:none}
.mtop b{display:block;font:800 16px var(--f-d)}
.mtop span{font-size:12.5px;color:var(--tx3)}
.qr{width:52px;height:52px;margin-inline-start:auto;border-radius:8px;flex:none;
  background:
   conic-gradient(from 0deg,var(--tx) 0 25%,transparent 0 50%,var(--tx) 0 75%,transparent 0) 0 0/13px 13px,
   var(--panel2);border:1px solid var(--bd2)}
.mbot{display:flex;align-items:flex-end;gap:10px}
.big{font:800 40px var(--f-d);line-height:1;font-variant-numeric:tabular-nums;color:var(--brand);
  transition:transform .3s ease,color .3s ease}
.big.pop{transform:scale(1.18);color:var(--acc)}
.mbot em{font-style:normal;font-size:13px;color:var(--tx2);padding-bottom:4px}
.stamp{align-self:flex-start;border:2px dashed var(--acc);color:var(--acc);border-radius:9px;
  padding:7px 11px;font:800 12px var(--f-u);letter-spacing:.05em;transform:rotate(-4deg) scale(.7);
  opacity:0;transition:opacity .4s ease,transform .5s cubic-bezier(.2,1.4,.4,1)}
.stamp.on{opacity:1;transform:rotate(-4deg) scale(1)}
.sigbtn{display:flex;gap:10px}
.sigbtn .btn{flex:1}
.steps{display:grid;gap:9px}
.step{display:grid;grid-template-columns:26px 1fr;gap:11px;align-items:start;
  font-size:14.5px;color:var(--tx2)}
.step i{font-style:normal;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--soft);color:var(--brand);font:800 11.5px var(--f-u)}
.step b{color:var(--tx)}

.card{transition:transform .35s cubic-bezier(.2,.85,.25,1),box-shadow .35s ease,opacity .7s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(36,28,21,.14)}
.tier.here{background:linear-gradient(165deg,var(--panel),color-mix(in srgb,var(--acc) 9%,var(--panel)))}

@media(min-width:640px){
  .iso{height:520px}
  .club{--sc:1.12}
  .sig{grid-template-columns:1fr 1fr;align-items:center}
}