/* IXFXN marketing sketch 06 — shared styles. Two themes: data-theme="black" | "white".
   Monochrome by request; status colours (green/amber) only on state badges. */
:root{--display:"Archivo",Arial,Helvetica,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,monospace}
[data-theme=black]{--go:#1f9d57;--go-fill:rgba(31,157,87,.22);--go-ink:#62d394;--bg:#050505;--bg2:#0b0b0b;--card:#111;--card2:#161616;--line:#222;--line2:#2f2f2f;--ink:#f2f2f2;--ink2:#cfcfcf;--muted:#9a9a9a;--faint:#808080;
  --btn:#f2f2f2;--btn-ink:#050505;--btn2:#1a1a1a;--btn2-ink:#f2f2f2;--chip:#151515;--hl:#1c1c1c;--grid:#121212;--shadow:0 30px 60px -30px rgba(0,0,0,.9);
  --ok:#62d394;--ok-bg:rgba(98,211,148,.1);--ok-bd:rgba(98,211,148,.35);--warn:#e6b65c;--warn-bg:rgba(230,182,92,.1);--warn-bd:rgba(230,182,92,.35);--bad:#ff8a7a;--focus:#ffffff;color-scheme:dark}
[data-theme=white]{--go:#1a8a4a;--go-fill:rgba(26,138,74,.16);--go-ink:#1a6b3c;--bg:#fff;--bg2:#fafafa;--card:#fff;--card2:#f6f6f6;--line:#ececec;--line2:#dadada;--ink:#0a0a0a;--ink2:#262626;--muted:#5c5c5c;--faint:#737373;
  --btn:#0a0a0a;--btn-ink:#fff;--btn2:#fff;--btn2-ink:#0a0a0a;--chip:#f4f4f4;--hl:#f3f3f3;--grid:#f2f2f2;--shadow:0 30px 60px -30px rgba(0,0,0,.28);
  --ok:#1f6b45;--ok-bg:#e8f4ec;--ok-bd:#bfe0cb;--warn:#8a5b10;--warn-bg:#fbf3e2;--warn-bd:#ecd6a6;--bad:#a23a2b;--focus:#0a0a0a;color-scheme:light}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
a{color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding-inline:32px}
.skip{position:absolute;left:-999px;top:8px;background:var(--btn);color:var(--btn-ink);padding:8px 12px;z-index:99}.skip:focus{left:8px}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted)}
h2{font-family:var(--display);font-weight:600;font-size:clamp(28px,3.4vw,46px);line-height:1.06;letter-spacing:-.02em;margin:10px 0 12px}
.lede{color:var(--muted);font-size:18px;max-width:620px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;background:var(--btn);color:var(--btn-ink);border:1px solid var(--btn);font:600 15px Arial;cursor:pointer;text-decoration:none;transition:opacity .2s,transform .2s}
.btn:hover{opacity:.86}
.btn.sec{background:var(--btn2);color:var(--btn2-ink);border-color:var(--line2)}
.btn[disabled]{opacity:.5;cursor:default}
.badge{font-size:10px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;padding:4px 9px;border-radius:999px;border:1px solid var(--line2);background:var(--chip);color:var(--ink2);white-space:nowrap;transition:all .35s}
.badge.ok{background:var(--ok-bg);color:var(--ok);border-color:var(--ok-bd)}
.badge.warn{background:var(--warn-bg);color:var(--warn);border-color:var(--warn-bd)}
.mono{font:12px var(--mono);color:var(--faint)}

/* status strip + bar */
.strip{background:var(--bg2);border-bottom:1px solid var(--line);color:var(--muted);font:12px var(--mono);height:32px;display:flex;align-items:center;gap:26px;padding:0 32px;overflow-x:auto;white-space:nowrap;scrollbar-width:none;position:relative;z-index:31}
.strip b{color:var(--ink2);font-weight:400}.strip i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);margin-right:6px}
.strip i.amber{background:var(--warn)}.strip i.grey{background:var(--faint)}
.strip a{margin-left:auto;text-decoration:none;color:var(--ink2)}.strip a:hover{color:var(--ink)}
.bar{position:sticky;top:0;z-index:30;border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.bar.solid{background:var(--bg);border-color:var(--line)}
.bar .in{display:flex;align-items:center;gap:24px;height:64px;padding:0 32px}
.wm{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink)}
.wm b{font:600 19px var(--display);letter-spacing:.14em}
.wm span{font:11px var(--mono);letter-spacing:.6px;border:1px solid var(--line2);border-radius:999px;padding:3px 8px;color:var(--muted)}
.bar nav{display:flex;gap:22px;margin-right:auto;margin-left:14px}
.bar nav a{color:var(--muted);text-decoration:none;font-size:14px}.bar nav a:hover,.bar nav a[aria-current]{color:var(--ink)}

/* footer */
footer{border-top:1px solid var(--line);background:var(--bg2);color:var(--muted);padding:56px 0 28px;font-size:14px}
.fgrid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:28px}
footer h4{font:11px var(--mono);letter-spacing:1.4px;text-transform:uppercase;color:var(--ink);margin-bottom:14px}
footer ul{list-style:none}footer li{margin-bottom:9px}footer a{color:var(--muted);text-decoration:none}footer a:hover{color:var(--ink)}
.fbot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid var(--line);margin-top:40px;padding-top:20px;font:12px var(--mono);color:var(--faint)}

/* lead gate dialog */
dialog.gate{border:1px solid var(--line2);background:var(--card);color:var(--ink);border-radius:18px;padding:0;width:min(520px,calc(100vw - 24px));box-shadow:var(--shadow);margin:auto}
dialog.gate::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(3px)}
.gate .gh{padding:22px 24px 6px;display:flex;justify-content:space-between;gap:16px;align-items:start}
.gate h3{font:600 22px var(--display);line-height:1.15}
.gate .x{background:none;border:0;color:var(--muted);font-size:22px;cursor:pointer;line-height:1;width:44px;height:44px;margin:-10px -12px 0 0}
.gate p.sub{color:var(--muted);font-size:14px;padding:0 24px}
.gate form{padding:16px 24px 22px;display:grid;gap:12px}
.gate label{display:grid;gap:5px;font-size:13px;color:var(--ink2)}
.gate input,.gate select,.gate textarea{height:44px;border-radius:10px;border:1px solid var(--line2);background:var(--bg);color:var(--ink);font:15px Arial;padding:0 12px;width:100%}
.gate textarea{height:84px;padding:10px 12px;resize:vertical}
.gate .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gate .ck{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted)}.gate .ck input{width:18px;height:18px;margin-top:2px;flex:none}
.gate .err{color:var(--bad);font-size:13px;min-height:18px}
.gate .okmsg{color:var(--ok);font-size:14px}
.gate .fine{font:11px var(--mono);color:var(--faint);padding:0 24px 18px}
.gate .done{padding:10px 24px 24px;display:none}
.gate.is-done form{display:none}.gate.is-done .done{display:block}

/* simple sub-pages */
.page{padding:72px 0 96px;min-height:70vh}
.page h1{font:600 clamp(34px,4.4vw,56px)/1.05 var(--display);letter-spacing:-.02em;margin:10px 0 16px}
.prose{max-width:720px}.prose p{margin:0 0 16px;color:var(--ink2);font-size:17px;line-height:1.65}
.prose h2{font-size:26px;margin:36px 0 10px}.prose ul{margin:0 0 16px 20px;color:var(--ink2)}.prose li{margin-bottom:6px}
.note{border:1px dashed var(--line2);border-radius:10px;padding:14px 16px;color:var(--muted);font-size:14px;margin:18px 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.cardx{border:1px solid var(--line);border-radius:14px;padding:20px;background:var(--card);display:flex;flex-direction:column}.cardx .btn{margin-top:auto;align-self:flex-start}
.cardx h3{font-size:18px;margin:6px 0}.cardx p{color:var(--muted);font-size:14px;margin-bottom:14px}

@media (max-width:900px){
  .wrap,.bar .in{padding-inline:20px}.strip{padding:0 20px}.bar nav{display:none}.wm{margin-right:auto}
  .fgrid{grid-template-columns:1fr 1fr}.cards{grid-template-columns:1fr}.gate .row2{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* theme switch (footer) */
.themesw{display:inline-flex;border:1px solid var(--line2);border-radius:999px;padding:2px;gap:2px}
.themesw button{border:0;background:transparent;color:var(--muted);font:12px var(--mono);padding:6px 10px;border-radius:999px;cursor:pointer;min-height:32px}
.themesw button.on{background:var(--btn);color:var(--btn-ink)}
.wm small{font:10px var(--mono);letter-spacing:1.2px;color:var(--faint);text-transform:uppercase}

@media (max-width:520px){.wm small{display:none}.bar .btn{padding:0 16px;font-size:14px;white-space:nowrap}}

.badge.bad{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,transparent)}
.bar .in .btn.sec{margin-left:auto}.bar .in .btn.sec+.btn{margin-left:0}
/* sandbox + content pages */
.sbox{border:1px solid var(--line2);border-radius:16px;padding:22px;background:var(--card);margin-top:18px}
.sbox h2{font-size:22px;margin:0 0 10px}
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.sgrid label{display:grid;gap:6px;font-size:13px;color:var(--ink2)}
.sgrid input[type=number],.sgrid select,#intent{height:44px;border-radius:10px;border:1px solid var(--line2);background:var(--bg);color:var(--ink);font:15px Arial;padding:0 12px;width:100%}
.radios{display:flex;gap:6px;flex-wrap:wrap}.radios label{display:inline-flex;gap:6px;align-items:center;border:1px solid var(--line2);border-radius:999px;padding:6px 12px;cursor:pointer}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.chip{border:1px solid var(--line2);background:var(--card);border-radius:999px;padding:8px 14px;font:600 13px Arial;color:var(--ink2);cursor:pointer}.chip.on,.chip:hover{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
.stable{width:100%;border-collapse:collapse;font-size:14px}.stable th{text-align:left;font:10px var(--mono);letter-spacing:1px;text-transform:uppercase;color:var(--faint);padding:8px 10px;border-bottom:1px solid var(--line)}
.stable td{padding:11px 10px;border-bottom:1px solid var(--line)}.stable tr.hl td{background:var(--hl)}
ol.trace{list-style:none}ol.trace li{display:grid;grid-template-columns:36px 1fr auto;gap:12px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line);animation:fin .4s both}
ol.trace .n{font:12px var(--mono);color:var(--faint);padding-top:2px}ol.trace p{color:var(--muted);font-size:14px}
@keyframes fin{from{opacity:0;transform:translateY(8px)}}
.outcome.stopped{border-color:var(--warn-bd)}.outcome.cleared{border-color:var(--ok-bd)}.outcome h3{font:600 22px var(--display);margin:6px 0}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.inv{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--card)}.inv b{display:block;font-size:16px;margin-bottom:6px}.inv p{color:var(--muted);font-size:14px}.inv code{font:11px var(--mono);color:var(--faint)}
.lc{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.lc button{border:1px solid var(--line2);background:var(--card);color:var(--ink2);border-radius:10px;padding:10px 14px;font:600 13px var(--mono);cursor:pointer}
.lc button.on{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
.sm-flow{font:13px var(--mono);line-height:2;color:var(--ink2);border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--bg2);overflow-x:auto}
pre.code{font:13px/1.6 var(--mono);background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px;overflow-x:auto;color:var(--ink2)}
.pick{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}.pick label{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line2);border-radius:14px;padding:16px;cursor:pointer;background:var(--card)}
.pick input{width:18px;height:18px;margin-top:3px;flex:none}.pick b{display:block}.pick span{color:var(--muted);font-size:14px}
@media (max-width:900px){.sgrid,.cols3,.cols2,.pick{grid-template-columns:1fr}.bar .in .btn.sec{display:none}}
@media (max-width:1180px){.bar nav{gap:14px;margin-left:6px}.bar nav a{font-size:13px}}
@media (max-width:1060px){.bar nav{display:none}.wm{margin-right:auto}}

/* control boundary diagram (from the Website Design Build) */
.boundary{margin-bottom:8px;border:1px solid var(--line2);border-radius:16px;padding:22px;background:var(--card);margin-top:28px;max-width:560px}
.boundary .who{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.boundary .box{border:1px solid var(--line2);border-radius:10px;padding:10px 12px;font-size:14px;background:var(--bg2)}
.boundary .arrow{text-align:center;color:var(--faint);font-size:13px;line-height:22px}
.boundary .core{border:1px solid var(--ink);border-radius:12px;padding:12px 14px}
.boundary .core b{font:11px var(--mono);letter-spacing:1px;text-transform:uppercase;display:block;margin-bottom:8px}
.boundary .core ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:4px 10px;font-size:13px;color:var(--ink2)}
.boundary p{font:12px var(--mono);color:var(--muted);margin-top:12px}


/* form honeypot: hidden from people, filled by bots */
.gate .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}