:root{color-scheme:light}
img{max-width:100%}
[hidden]:not([hidden=until-found i]){display:none!important}


/* Layout concept: Tandem's claret-led editorial frame around lo-fi paper screens. The chrome is branded and themed;
   the wireframes themselves are deliberately plain greys with one claret action colour, so the structure reads before any styling. */
:root{
  --claret:#8B2137; --powder:#B7D8FE; --blush:#FFB7C5; --citron:#C2D120; --cream:#F9EEE5; --charcoal:#4C4242;
  --bg:#F9EEE5; --bg-glass:rgba(249,238,229,.92); --surface:#FFFFFF; --surface-2:#F4E6DA; --fg:#4C4242; --fg-strong:#2F2727;
  --muted:#7A6E6E; --rule:#E6DAD0; --accent:#8B2137; --accent-ink:#F9EEE5;
  --hero-bg:#8B2137; --hero-fg:#F9EEE5; --hero-soft:rgba(249,238,229,.8);
  --powder-bg:#B7D8FE; --powder-fg:#25324A; --blush-bg:#FFB7C5; --blush-fg:#5E1626;
  --btn-bg:#8B2137; --btn-fg:#F9EEE5;
  --ok-bg:#E4EBB4; --ok-fg:#3B4E0C; --warn-bg:#FFE0A3; --warn-fg:#6F4300; --info-bg:#D4E6FF; --info-fg:#1B4470; --bad-bg:#FFD2DA; --bad-fg:#76192B;
  --focus:#1B4470;
  --display:'Fraunces',Georgia,serif; --sans:'Bricolage Grotesque',system-ui,-apple-system,'Segoe UI',sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#241B1D; --bg-glass:rgba(36,27,29,.92); --surface:#31262A; --surface-2:#3B2E33; --fg:#E9DCD2; --fg-strong:#FFF3EA;
    --muted:#B9A8A3; --rule:#4E3D42; --accent:#FFB7C5; --accent-ink:#4A1220;
    --hero-bg:#7B1D31; --hero-fg:#F9EEE5; --hero-soft:rgba(249,238,229,.8);
    --powder-bg:#213853; --powder-fg:#E3EEFF; --blush-bg:#5B2535; --blush-fg:#FFD8E0;
    --btn-bg:#FFB7C5; --btn-fg:#4A1220;
    --ok-bg:#3A4510; --ok-fg:#DCE79A; --warn-bg:#4F3A0E; --warn-fg:#FFD98A; --info-bg:#1F3652; --info-fg:#BCD9FF; --bad-bg:#5C2331; --bad-fg:#FFC4CF;
    --focus:#BCD9FF; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#241B1D; --bg-glass:rgba(36,27,29,.92); --surface:#31262A; --surface-2:#3B2E33; --fg:#E9DCD2; --fg-strong:#FFF3EA;
  --muted:#B9A8A3; --rule:#4E3D42; --accent:#FFB7C5; --accent-ink:#4A1220;
  --hero-bg:#7B1D31; --hero-fg:#F9EEE5; --hero-soft:rgba(249,238,229,.8);
  --powder-bg:#213853; --powder-fg:#E3EEFF; --blush-bg:#5B2535; --blush-fg:#FFD8E0;
  --btn-bg:#FFB7C5; --btn-fg:#4A1220;
  --ok-bg:#3A4510; --ok-fg:#DCE79A; --warn-bg:#4F3A0E; --warn-fg:#FFD98A; --info-bg:#1F3652; --info-fg:#BCD9FF; --bad-bg:#5C2331; --bad-fg:#FFC4CF;
  --focus:#BCD9FF; color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-padding-top:120px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
body{margin:0;padding-block:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--bg)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;cursor:pointer}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.wrap{max-width:1240px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-weight:700;font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.display{font-family:var(--display);font-style:italic;font-weight:800;line-height:.98;letter-spacing:-.01em;text-wrap:balance}
.sec-title{font-family:var(--display);font-style:italic;font-weight:800;font-size:clamp(2rem,4.6vw,3.2rem);line-height:1;letter-spacing:-.01em;text-wrap:balance;color:var(--fg-strong);margin:10px 0 14px}
.lede{font-size:clamp(1.02rem,1.5vw,1.2rem);line-height:1.5;max-width:64ch;font-weight:500}
.h3{font-weight:800;text-transform:uppercase;font-size:1rem;letter-spacing:.02em;line-height:1.2;color:var(--fg-strong)}
.small{font-size:.9rem;color:var(--muted)}
.band{padding-block:clamp(40px,6vw,76px)}
.band--powder{background:var(--powder-bg);color:var(--powder-fg)}
.band--powder .eyebrow,.band--powder .sec-title{color:var(--powder-fg)}
.band--powder .small{color:var(--powder-fg);opacity:.8}
.grid{display:grid;gap:16px}
.card{background:var(--surface);color:var(--fg);border:1px solid var(--rule);border-radius:16px;padding:clamp(16px,2.2vw,24px);min-width:0}
.card h3{margin-bottom:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-weight:800;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;background:var(--surface-2);color:var(--muted)}
.chiprow{display:flex;flex-wrap:wrap;gap:8px}
.seg{display:inline-flex;flex-wrap:wrap;gap:4px;background:var(--surface);border:1px solid var(--rule);border-radius:999px;padding:4px}
.seg button{border:0;background:transparent;padding:8px 15px;border-radius:999px;font-weight:700;font-size:.9rem;color:var(--fg)}
.seg button[aria-pressed="true"]{background:var(--btn-bg);color:var(--btn-fg)}
.bul{display:grid;gap:6px}
.bul li{padding-left:16px;position:relative}
.bul li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--accent)}

/* hero */
.hero{background:var(--hero-bg);color:var(--hero-fg);padding-top:clamp(22px,3vw,34px)}
.lockup{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.lockup svg{width:128px;height:auto;aspect-ratio:320/90;color:var(--hero-fg);display:block}
.lockup .x{font-weight:300;font-size:1.6rem;opacity:.7;line-height:1}
.lockup .mono{height:38px;width:auto;display:block}
.hero-body{padding-block:clamp(36px,6vw,72px) clamp(30px,5vw,50px);display:grid;gap:20px}
.hero .eyebrow{color:var(--hero-fg);opacity:.85}
.hero h1{font-size:clamp(2.7rem,7vw,5.6rem);max-width:15ch;color:var(--hero-fg)}
.hero .lede{color:var(--hero-soft)}
.hoops{display:grid;gap:7px}
.hoops i{display:block;height:11px}
.hoops i:nth-child(1){background:var(--cream)}
.hoops i:nth-child(2){background:var(--powder)}
.hoops i:nth-child(3){background:var(--blush)}

/* sticky bar */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--bg-glass);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.bar .wrap{display:flex;align-items:center;flex-wrap:wrap;column-gap:14px;min-height:56px}
.bar svg{width:70px;height:auto;aspect-ratio:320/90;color:var(--accent);flex:none}
.bar .seg{padding:3px;flex:none}
.bar .seg button{padding:6px 14px;font-size:.84rem}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;padding-block:8px;min-width:0;flex:1 1 320px}
.tabs::-webkit-scrollbar{display:none}
.tabs button{border:0;background:transparent;padding:6px 12px;border-radius:999px;font-weight:700;font-size:.82rem;white-space:nowrap;color:var(--fg)}
.tabs button:hover{background:var(--surface-2)}
.tabs button[aria-pressed="true"]{background:var(--btn-bg);color:var(--btn-fg)}
@media (max-width:700px){.tabs{flex-basis:100%;padding-top:0}.bar .wrap{padding-block:8px}}

/* intro */
.how{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:22px}
.princ{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:20px}
@media (max-width:1000px){.princ{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.how,.princ{grid-template-columns:minmax(0,1fr)}}
.princ .card{padding:16px}
.princ b{display:block;color:var(--fg-strong);margin-bottom:4px;line-height:1.2}
.legend{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;font-size:.9rem;margin-top:14px}
.legend span{display:inline-flex;gap:8px;align-items:center}
.lk{display:inline-block;width:34px;height:16px;border-radius:5px;flex:none}
.lk.g{background:#e7e0d8;border:1px solid #cfc6bd}
.lk.p{background:#8B2137;border-radius:999px}
.lk.s{border:2px solid #8B2137;border-radius:999px;background:#fff}
.lk.d{border:2px dashed #9a8f86;background:#fff}
.lk.n{width:22px;height:22px;border-radius:50%;background:#8B2137;color:#fff;font-size:.7rem;font-weight:800;display:grid;place-items:center}
.journey{display:flex;flex-wrap:wrap;gap:8px 6px;align-items:center;margin-top:20px}
.journey button{background:var(--surface);border:2px solid var(--rule);border-radius:12px;padding:8px 14px;font-weight:800;font-size:.9rem;color:var(--fg-strong)}
.journey button:hover{border-color:var(--accent)}
.journey .arr{color:var(--muted);font-weight:800}

/* stage */
.pghead{display:grid;gap:4px;margin-bottom:18px}
.ctrls{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:16px;min-height:44px}
.stagegrid{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:22px;align-items:start}
@media (max-width:1040px){.stagegrid{grid-template-columns:minmax(0,1fr)}}
.viewport{min-width:0;display:grid;justify-items:center;background:var(--surface-2);border-radius:18px;padding:clamp(10px,2vw,22px)}
.sbox{position:relative;margin-inline:auto}
.sbox>.sin{transform-origin:0 0}
.brw{background:#fff;border:1px solid #cfc6bd;border-radius:12px;overflow:hidden;box-shadow:0 8px 30px rgba(60,40,40,.12)}
.brw .tb{display:flex;align-items:center;gap:10px;padding:8px 12px;background:#efe9e2;border-bottom:1px solid #cfc6bd}
.brw .dots{display:flex;gap:6px}.brw .dots i{width:10px;height:10px;border-radius:50%;background:#cfc6bd;display:block}
.brw .url{font:11px/1 ui-monospace,Menlo,monospace;color:#6b6060;background:#fff;border:1px solid #d7cec5;border-radius:999px;padding:5px 12px;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.phn{background:#2d2626;border-radius:40px;padding:12px}
.phn .mv{height:730px;overflow:auto;border-radius:28px;background:#fff;scrollbar-width:thin;position:relative}
.phn .notch{width:90px;height:6px;border-radius:4px;background:#4b4141;margin:0 auto 8px}
.notes{position:sticky;top:calc(var(--navh,64px) + 12px);align-self:start;max-height:calc(100vh - var(--navh,64px) - 24px);overflow:auto;display:grid;gap:8px;padding-right:2px}
@media (max-width:1040px){.notes{position:static;max-height:none;overflow:visible}}
.nt{display:grid;grid-template-columns:30px minmax(0,1fr);gap:12px;text-align:left;background:var(--surface);border:2px solid var(--rule);border-radius:14px;padding:12px 14px;width:100%;align-items:start}
.nt:hover{border-color:var(--accent)}
.nt .pn{width:28px;height:28px;border-radius:50%;background:var(--claret);color:#fff;font-weight:800;display:grid;place-items:center;font-size:.82rem}
.nt .pt{font-weight:800;color:var(--fg-strong);line-height:1.25;padding-top:3px}
.nt .body{display:none;margin-top:10px;gap:10px;font-size:.94rem}
.nt .body h4{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:2px}
.nt[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.nt[aria-pressed="true"] .body{display:grid}
.nt .tag{font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block}
.info{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:26px}
@media (max-width:900px){.info{grid-template-columns:minmax(0,1fr)}}
.rec{margin-top:26px}
.rec .callout{background:var(--blush-bg);color:var(--blush-fg);border-radius:16px;padding:clamp(18px,2.4vw,26px)}
.rec .callout .h3{color:var(--blush-fg)}
.cmp{width:100%;border-collapse:collapse;font-size:.9rem;margin-top:10px}
.cmp th,.cmp td{text-align:left;padding:8px 12px 8px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.cmp th{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.tblw{overflow-x:auto}
.foot{background:var(--hero-bg);color:var(--hero-fg);padding-block:clamp(32px,5vw,50px)}
.foot .wrap{display:grid;gap:18px}
.foot p{color:var(--hero-soft);max-width:72ch;font-size:.95rem}

/* ---------- wireframe kit (paper screens: always light) ---------- */
.wf{--ink:#2e2a2a;--line:#cfc6bd;--fill:#ece6df;--fill2:#f6f2ee;--acc:#8B2137;color:var(--ink);background:#fff;font:13px/1.35 var(--sans);text-align:left}
.wf *{box-sizing:border-box}
.wb{position:relative;border-radius:6px;transition:outline-color .15s}
.wb[data-n]{cursor:pointer}
.wf [data-n].on{outline:3px solid #C2D120;outline-offset:2px}
.pin{position:absolute;top:-9px;right:-9px;z-index:3;width:22px;height:22px;border-radius:50%;background:#8B2137;color:#fff;font:800 11px/22px var(--sans);text-align:center;border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.3);transform:scale(var(--inv,1));transform-origin:top right;pointer-events:none}
.wf [data-n].on>.pin{background:#C2D120;color:#2d2d05}
.wf .wb.edge>.pin{top:4px;right:4px}
.wf .r{display:flex;gap:10px;align-items:center}
.wf .c{display:flex;flex-direction:column;gap:8px;min-width:0}
.wf .gd{display:grid;gap:10px}
.wf .g2{grid-template-columns:repeat(2,minmax(0,1fr))}.wf .g3{grid-template-columns:repeat(3,minmax(0,1fr))}.wf .g4{grid-template-columns:repeat(4,minmax(0,1fr))}.wf .g5{grid-template-columns:repeat(5,minmax(0,1fr))}.wf .g6{grid-template-columns:repeat(6,minmax(0,1fr))}
.wf .pad{padding:16px 22px;display:flex;flex-direction:column;gap:20px}
.wf .padm{padding:12px;display:flex;flex-direction:column;gap:14px}
.wf .util{background:#2e2a2a;color:#fff;text-align:center;font-size:11px;padding:6px}
.wf .hdr{padding:10px 22px;border-bottom:1px solid var(--line);gap:16px;font-weight:600;font-size:12px}
.wf .hdrm{padding:10px 12px;border-bottom:1px solid var(--line);justify-content:space-between;font-weight:700;font-size:12px}
.wf .logo{font-weight:800;letter-spacing:.04em;font-size:15px;border:2px solid var(--ink);padding:2px 8px;border-radius:4px}
.wf .ph{position:relative;background:var(--fill);border:1px solid var(--line);border-radius:6px;display:grid;place-items:center;text-align:center;color:#8a7f76;font-size:11px;padding:8px;background-image:linear-gradient(to top right,transparent calc(50% - .5px),#d8cfc6 50%,transparent calc(50% + .5px)),linear-gradient(to bottom right,transparent calc(50% - .5px),#d8cfc6 50%,transparent calc(50% + .5px))}
.wf .ph span{background:var(--fill);padding:2px 6px;border-radius:4px;position:relative}
.wf .ln{display:block;height:7px;border-radius:4px;background:var(--line)}
.wf .t{font-size:12px}
.wf .th{font-weight:800;font-size:13px}
.wf .th2{font-weight:800;font-size:17px}
.wf .h1w{font-weight:800;font-size:27px;line-height:1.05;text-transform:uppercase;letter-spacing:.01em}
.wf .h1m{font-weight:800;font-size:21px;line-height:1.05;text-transform:uppercase}
.wf .cap{font-size:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:#8a7f76}
.wf .lnk{font-size:11px;text-decoration:underline;color:var(--acc);font-weight:700}
.wf .btnp{background:var(--acc);color:#fff;border-radius:999px;padding:9px 16px;font-weight:800;font-size:12px;text-align:center;white-space:nowrap}
.wf .btns{border:2px solid var(--acc);color:var(--acc);border-radius:999px;padding:7px 14px;font-weight:800;font-size:12px;text-align:center;white-space:nowrap;background:#fff}
.wf .btnd{background:var(--fill);color:#8a7f76;border-radius:999px;padding:9px 16px;font-weight:800;font-size:12px;text-align:center}
.wf .full{width:100%}
.wf .chp{display:inline-block;padding:3px 9px;border-radius:999px;background:var(--fill);font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#6b6060}
.wf .chp.ok{background:#E4EBB4;color:#3B4E0C}.wf .chp.warn{background:#FFE0A3;color:#6F4300}.wf .chp.bad{background:#FFD2DA;color:#76192B}
.wf .bx{border:1px solid var(--line);border-radius:8px;padding:10px;background:#fff}
.wf .fl{background:var(--fill2);border-radius:8px;padding:10px}
.wf .dash{border:2px dashed #9a8f86;border-radius:8px;padding:10px;background:#fff}
.wf .sel{border:2px solid var(--acc);background:#fbeef0}
.wf .dis{opacity:.45}
.wf .tile{border:1px solid var(--line);border-radius:8px;padding:8px;display:flex;flex-direction:column;gap:6px;background:#fff;min-width:0}
.wf .tile.sel{border:2px solid var(--acc);background:#fbeef0}
.wf .segw{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;font-weight:800;font-size:11px}
.wf .segw span{padding:6px 12px}.wf .segw .on2{background:var(--acc);color:#fff}
.wf .sw{width:100%;aspect-ratio:1;border-radius:6px;border:1px solid #d7cec5}
.wf .sw1{background:repeating-linear-gradient(45deg,#e8dcd2 0 3px,#f4ece4 3px 6px)}
.wf .sw2{background:repeating-linear-gradient(60deg,#8da6c6 0 2px,#b7c8de 2px 4px)}
.wf .sw3{background:radial-gradient(#b99a6b 1.3px,transparent 1.5px) 0 0/6px 6px,#eadcc0}
.wf .tabs2{display:flex;gap:2px;border-bottom:2px solid var(--line);font-weight:800;font-size:11px}
.wf .tabs2 span{padding:7px 10px;color:#8a7f76}.wf .tabs2 .on2{color:var(--acc);border-bottom:3px solid var(--acc);margin-bottom:-2px}
.wf .stick{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--line);padding:10px 12px;display:flex;gap:10px;align-items:center;justify-content:space-between;z-index:2;box-shadow:0 -4px 12px rgba(0,0,0,.06)}
.wf .stickt{position:sticky;top:0;background:#fff;z-index:2;border-bottom:1px solid var(--line)}
.wf .shirt{height:200px;border-radius:14px 14px 28px 28px;background:repeating-linear-gradient(0deg,#1d5b45 0 14px,#f4f1ea 14px 28px);border:1px solid var(--line)}
.wf .tl{display:flex;gap:6px;align-items:center;font-size:11px;font-weight:700;flex-wrap:wrap}
.wf .tl i{font-style:normal;color:#8a7f76}
.wf table{border-collapse:collapse;width:100%;font-size:11px}
.wf th,.wf td{border-bottom:1px solid var(--line);padding:5px 6px;text-align:left}
.wf th{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:#8a7f76}
.wf .steps{display:flex;gap:6px;font-size:11px;font-weight:800;color:#8a7f76;flex-wrap:wrap}
.wf .steps .on2{color:var(--acc)}
.wf .modal{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.15);padding:18px}
.wf .field{height:30px;border:1px solid var(--line);border-radius:6px;background:#fff;display:flex;align-items:center;padding:0 9px;font-size:11px;color:#8a7f76}
.wf .field.tall{height:62px;align-items:flex-start;padding-top:8px}
.wf .banner{background:var(--fill);border:1px solid var(--line);border-radius:8px;padding:10px 14px;font-weight:700}
.wf .logos .ph{height:34px}

/* Shared light Tandem presentation palette. */
:root[data-theme="light"]{
 --bg:#fffdfb;--bg-glass:rgba(255,253,251,.96);--surface:#fff;--surface-2:#F9EEE5;
 --fg:#4C4242;--fg-strong:#4C4242;--muted:#7A6E6E;--rule:#E6DAD0;
 --accent:#8B2137;--accent-ink:#fff;--hero-bg:#fffdfb;--hero-fg:#4C4242;--hero-soft:#655959;
 --powder-bg:#F9EEE5;--powder-fg:#4C4242;--blush-bg:#fcf3ef;--blush-fg:#4C4242;
 --btn-bg:#8B2137;--btn-fg:#fff;--focus:#8B2137;
 --ok-bg:#f0f3e5;--ok-fg:#3B4E0C;--warn-bg:#fff4de;--warn-fg:#6F4300;
 --info-bg:#eef4fc;--info-fg:#1B4470;--bad-bg:#fbeef0;--bad-fg:#76192B;
 color-scheme:light;
}
.hero .lockup svg,.hero .eyebrow,.band--claret .eyebrow{color:var(--accent);opacity:1}
.hero{border-bottom:1px solid var(--rule)}
.hoops{gap:0}.hoops i{height:1px}.hoops i:nth-child(1){background:var(--rule)}.hoops i:nth-child(2),.hoops i:nth-child(3){display:none}
.band--claret{background:var(--surface-2)}
.spark{background:var(--surface-2);color:var(--accent);border:1px solid var(--rule)}
.plate{border:1px solid var(--rule);border-radius:4px}

.lockup img.mono,footer img.mono{filter:brightness(0) saturate(100%) invert(25%) sepia(9%) saturate(494%) hue-rotate(314deg) brightness(95%) contrast(87%)}