/* Loopkit — animation studio timeline. putty / graphite / tomato. Syne + DM Sans. */
:root{
  --putty:#ece7df; --putty-2:#e4ded3; --paper:#f6f3ee; --card:#fbf9f5;
  --ink:#2b2b2a; --ink-2:#4a4844; --mute:#77726a; --rule:#d3cbbf; --rule-2:#c2b9ab;
  --tomato:#b5543c; --tomato-d:#963f2b; --tomato-t:rgba(181,84,60,.12);
  --ok:#5f7a52; --bad:#a33e2f;
  --r:6px; --track:46px;
  --f-d:'Syne',ui-sans-serif,system-ui,sans-serif; --f-b:'DM Sans',ui-sans-serif,system-ui,sans-serif;
  --f-m:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.1,1);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--putty);color:var(--ink);font:16px/1.6 var(--f-b);padding-bottom:var(--track);overflow-x:hidden}
img,canvas{max-width:100%;display:block}
a{color:inherit}
.mono{font-family:var(--f-m);font-size:.92em}
h1,h2,h3{font-family:var(--f-d);letter-spacing:-.02em;line-height:1.02;margin:0}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:200}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--tomato);outline-offset:3px;border-radius:3px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(236,231,223,.88);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.nav__in{max-width:1320px;margin:0 auto;padding:0 28px;height:64px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 20px/1 var(--f-d);letter-spacing:-.03em}
.brand__mark{width:30px;height:30px;fill:none;stroke:var(--ink);stroke-width:2}
.brand__mark circle{fill:var(--tomato);stroke:none}
.nav__links{display:flex;gap:2px;margin-left:auto}
.nav__links a{display:flex;align-items:baseline;gap:6px;text-decoration:none;font-size:14px;padding:8px 11px;border-radius:4px;color:var(--ink-2);transition:background .2s,color .2s}
.nav__links a b{font:500 10px/1 var(--f-m);color:var(--mute)}
.nav__links a:hover,.nav__links a.is-on{background:var(--putty-2);color:var(--ink)}
.nav__links a.is-on b{color:var(--tomato)}
.nav__right{display:flex;align-items:center;gap:10px}
.nav__x{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--rule-2);border-radius:50%}
.nav__x svg{width:15px;height:15px;fill:var(--ink)}
.nav__burger{display:none;width:40px;height:40px;border:1px solid var(--rule-2);background:transparent;border-radius:6px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav__burger span{display:block;width:16px;height:2px;background:var(--ink);transition:transform .25s var(--ease)}
.nav__burger[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.mnav{display:flex;flex-direction:column;padding:8px 20px 16px;border-top:1px solid var(--rule)}
.mnav a{padding:12px 4px;border-bottom:1px solid var(--rule);text-decoration:none;font:600 17px var(--f-d)}

/* wallet */
.wallet-slot{min-width:0}
.wb{position:relative}
.wb-btn{font:600 14px/1 var(--f-b);height:38px;padding:0 16px;border-radius:999px;border:1.5px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;white-space:nowrap;transition:transform .15s var(--ease),background .2s}
.wb-btn:hover{background:var(--tomato);border-color:var(--tomato)}
.wb-btn:active{transform:scale(.96)}
.wb-btn.is-on{background:transparent;color:var(--ink);font-family:var(--f-m);font-size:13px;padding-left:30px;position:relative}
.wb-btn.is-on::before{content:"";position:absolute;left:13px;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;background:var(--ok)}
.wb-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:300;width:280px;max-width:calc(100vw - 24px);background:var(--card);border:1px solid var(--rule-2);border-radius:10px;box-shadow:0 18px 40px -18px rgba(43,43,42,.4);padding:8px;display:flex;flex-direction:column;gap:2px}
.wb-item{display:flex;align-items:center;gap:10px;width:100%;text-align:left;font:500 14px var(--f-b);padding:10px;border:0;border-radius:6px;background:transparent;color:var(--ink);text-decoration:none;cursor:pointer}
.wb-item:hover{background:var(--putty)}
.wb-item img{width:18px;height:18px;border-radius:4px}
.wb-addr{font:12px/1.45 var(--f-m);word-break:break-all;padding:8px 10px;color:var(--ink-2)}
.wb-bal{font:600 14px var(--f-m);padding:0 10px 8px;border-bottom:1px solid var(--rule);margin-bottom:4px}
.wb-note{font-size:12px;color:var(--mute);padding:8px 10px}

/* ---------- buttons, inputs ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;font:600 15px/1 var(--f-b);text-decoration:none;cursor:pointer;border:1.5px solid var(--ink);transition:transform .15s var(--ease),background .2s,color .2s,border-color .2s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn--solid{background:var(--ink);color:var(--paper)}
.btn--solid:hover{background:var(--tomato);border-color:var(--tomato)}
.btn--line{background:transparent;color:var(--ink)}
.btn--line:hover{background:var(--ink);color:var(--paper)}
.btn--ghost{background:transparent;border-color:transparent;color:var(--ink-2);text-decoration:underline;text-underline-offset:3px}
.btn--ghost:hover{color:var(--tomato)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--wide{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.inp{width:100%;min-width:0;font:15px/1.4 var(--f-b);color:var(--ink);background:var(--card);border:1.5px solid var(--rule-2);border-radius:6px;padding:11px 13px;transition:border-color .2s,box-shadow .2s}
.inp:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px var(--tomato-t)}
textarea.inp{resize:vertical}
.field{display:flex;flex-direction:column;gap:8px;min-width:0}
.field__k{font:600 12px/1 var(--f-b);letter-spacing:.08em;text-transform:uppercase;color:var(--mute);display:flex;justify-content:space-between}
.field__k output{font-family:var(--f-m);color:var(--ink);letter-spacing:0;text-transform:none}
.field__note{font-size:13px;color:var(--mute);margin:0}
.rng input{width:100%;accent-color:var(--tomato)}
input[type=range]{-webkit-appearance:none;appearance:none;height:22px;background:transparent}
input[type=range]::-webkit-slider-runnable-track{height:3px;background:var(--rule-2);border-radius:2px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;margin-top:-6.5px;transform:rotate(45deg);background:var(--tomato);border:2px solid var(--card);box-shadow:0 0 0 1px var(--tomato);transition:transform .15s}
input[type=range]:active::-webkit-slider-thumb{transform:rotate(45deg) scale(1.2)}
input[type=range]::-moz-range-track{height:3px;background:var(--rule-2)}
input[type=range]::-moz-range-thumb{width:13px;height:13px;transform:rotate(45deg);background:var(--tomato);border:2px solid var(--card);border-radius:1px}
.tgl{display:inline-flex;align-items:center;gap:9px;font-size:14px;cursor:pointer;user-select:none}
.tgl input{appearance:none;-webkit-appearance:none;width:34px;height:20px;border-radius:999px;background:var(--rule-2);position:relative;cursor:pointer;transition:background .2s;flex:none;margin:0}
.tgl input::after{content:"";position:absolute;left:3px;top:3px;width:14px;height:14px;border-radius:50%;background:var(--card);transition:transform .22s var(--ease)}
.tgl input:checked{background:var(--tomato)}
.tgl input:checked::after{transform:translateX(14px)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* segmented with sliding indicator */
.seg{position:relative;display:flex;flex-wrap:wrap;gap:0;background:var(--putty-2);border-radius:8px;padding:3px;isolation:isolate}
.seg button{position:relative;z-index:1;flex:1 1 auto;border:0;background:transparent;font:600 13px/1 var(--f-b);padding:10px 10px;border-radius:6px;color:var(--ink-2);cursor:pointer;transition:color .2s}
.seg button[aria-selected="true"]{color:var(--paper)}
.seg__ind{position:absolute;z-index:0;left:0;top:0;height:0;width:0;background:var(--ink);border-radius:6px;transition:transform .35s var(--ease),width .35s var(--ease),height .35s var(--ease)}
.seg--sm button{padding:9px 12px}

/* copy morph */
.copy{position:relative;display:inline-grid;height:30px;padding:0 12px;border:1px solid var(--rule-2);border-radius:999px;background:var(--card);font:600 12px var(--f-b);cursor:pointer;overflow:hidden}
.copy span{grid-area:1/1;display:flex;align-items:center;transition:transform .3s var(--ease),opacity .3s}
.copy__b{transform:translateY(110%);opacity:0;color:var(--ok)}
.copy.is-done .copy__a{transform:translateY(-110%);opacity:0}
.copy.is-done .copy__b{transform:none;opacity:1}
.copy--plain{background:transparent;border-color:var(--rule-2)}

/* ---------- hero ---------- */
.hero{max-width:1320px;margin:0 auto;padding:64px 28px 56px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:center;min-height:calc(100vh - 64px - var(--track))}
.hero__copy{min-width:0}
.slate{display:flex;gap:0;margin:0 0 28px;font:500 11px/1 var(--f-m);letter-spacing:.06em}
.slate span{padding:7px 10px;border:1px solid var(--ink);margin-left:-1px}
.slate span:first-child{margin-left:0;background:var(--ink);color:var(--paper)}
.hero h1{font-size:clamp(38px,4.5vw,70px);font-weight:800;letter-spacing:-.04em;line-height:1}
.hero__sub{font-size:19px;line-height:1.55;color:var(--ink-2);max-width:520px;margin:26px 0 30px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.hero__ca{display:flex;align-items:center;gap:10px;margin-top:22px;padding:8px 8px 8px 14px;border:1px solid var(--rule-2);border-radius:999px;max-width:100%;width:max-content}
.hero__ca-k{font:700 11px var(--f-m);color:var(--tomato)}
.hero__ca code{font:13px var(--f-m);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.hero__facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:44px 0 0;border-top:1px solid var(--ink)}
.hero__facts div{padding:14px 14px 0 0;border-right:1px solid var(--rule);margin-right:14px}
.hero__facts div:last-child{border-right:0}
.hero__facts dt{font:600 11px var(--f-b);letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.hero__facts dd{margin:6px 0 0;font:600 15px var(--f-d)}
.hero__stage{margin:0;position:relative;min-width:0;background:var(--paper);border:1px solid var(--rule-2);border-radius:14px;padding:14px;box-shadow:0 30px 60px -40px rgba(43,43,42,.45),0 1px 0 #fff inset}
.hero__stage canvas{width:100%;height:auto;aspect-ratio:720/640;border-radius:8px}
.hero__cap{display:flex;justify-content:space-between;font:12px var(--f-m);color:var(--mute);padding:10px 4px 0}
.hero__cap span:first-child{color:var(--tomato)}

/* load choreography */
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.06em}
.split .wi{display:inline-block;transform:translateY(105%);transition:transform .9s var(--ease);transition-delay:calc(var(--i) * 70ms + 120ms)}
.is-ready .split .wi{transform:none}
.lift{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.is-ready .hero__sub{transition-delay:.55s}.is-ready .hero__cta{transition-delay:.7s}.is-ready .hero__ca{transition-delay:.78s}.is-ready .hero__facts{transition-delay:.85s}.is-ready .hero__stage{transition-delay:.4s}
.is-ready .lift{opacity:1;transform:none}
.no-js .lift,.no-js .split .wi{opacity:1;transform:none}

/* ---------- sections ---------- */
.sec{max-width:1320px;margin:0 auto;padding:112px 28px;position:relative}
.sec--alt{max-width:none;background:var(--paper);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.sec--alt>*{max-width:1264px;margin-left:auto;margin-right:auto}
.sec__head{display:grid;grid-template-columns:120px minmax(0,1fr);column-gap:32px;margin-bottom:48px}
.sec__no{grid-row:1/3;margin:6px 0 0;font:500 12px/1 var(--f-m);color:var(--tomato);letter-spacing:.06em;border-top:2px solid var(--tomato);padding-top:10px;align-self:start}
.sec__head h2{font-size:clamp(34px,4.4vw,60px);font-weight:700}
.sec__lede{max-width:680px;font-size:18px;color:var(--ink-2);margin:18px 0 0}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
.src{font-size:13px;color:var(--mute);margin:20px 0 0}

/* studio */
.studio{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start}
.studio__view{min-width:0}
.viewer{position:relative;background:var(--paper);border:1px solid var(--rule-2);border-radius:12px;padding:28px;display:grid;place-items:center;
  background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px);background-size:24px 24px;background-position:-1px -1px}
.viewer canvas{width:min(100%,480px);height:auto;aspect-ratio:1;border-radius:6px;box-shadow:0 20px 40px -26px rgba(43,43,42,.5)}
.viewer.is-drag{outline:2px dashed var(--tomato);outline-offset:-10px}
.viewer__drop{position:absolute;bottom:8px;right:12px;margin:0;font:11px var(--f-m);color:var(--mute)}
.transport{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:14px 4px}
.tbtn{height:34px;padding:0 14px;border-radius:4px;border:1.5px solid var(--ink);background:var(--ink);color:var(--paper);font:600 13px var(--f-b);cursor:pointer}
.tbtn:active{transform:scale(.96)}
.transport__f{color:var(--tomato);min-width:96px}
.filmstrip{display:flex;gap:6px;overflow-x:auto;padding:14px 10px;background:var(--ink);border-radius:8px;scrollbar-width:thin;position:relative;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 3%,#000 97%,transparent);mask-image:linear-gradient(90deg,transparent,#000 3%,#000 97%,transparent)}
.filmstrip canvas{flex:none;width:56px;height:56px;border-radius:2px;opacity:.55;transition:opacity .2s,transform .2s;cursor:pointer;outline:1px solid #555}
.filmstrip canvas.is-cur{opacity:1;transform:translateY(-2px);outline:2px solid var(--tomato)}
.studio__panel{display:flex;flex-direction:column;gap:22px;background:var(--card);border:1px solid var(--rule-2);border-radius:12px;padding:26px;min-width:0}
.srcrow{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.filebtn{position:relative;overflow:hidden}
.filebtn input{position:absolute;inset:0;opacity:0;cursor:pointer}
.filebtn:focus-within{outline:2px solid var(--tomato);outline-offset:3px}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.swatches button{width:30px;height:30px;border-radius:50%;border:1px solid var(--rule-2);cursor:pointer;transition:transform .15s}
.swatches button[aria-pressed="true"]{box-shadow:0 0 0 2px var(--card),0 0 0 4px var(--ink)}
.swatches button:active{transform:scale(.9)}

/* captions */
.capdesk{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:40px;align-items:center}
.capdesk__form{display:flex;flex-direction:column;gap:20px;min-width:0}
.capdesk__acts{display:flex;gap:10px;flex-wrap:wrap}
.capdesk__view{min-width:0;justify-self:center;width:100%;max-width:440px}
.capdesk__view canvas{width:100%;height:auto;aspect-ratio:1;border-radius:4px;border:10px solid var(--card);box-shadow:0 1px 0 var(--rule-2),0 30px 50px -30px rgba(43,43,42,.5);transform:rotate(-1.5deg)}
.capdesk__k{font-size:12px;color:var(--mute);text-align:center;margin:18px 0 0}

/* templates */
.tplbar{display:flex;gap:16px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-bottom:24px}
.search{display:flex;gap:8px;flex:1 1 320px;max-width:520px;min-width:0}
.tplgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:12px;min-height:180px}
.tpl{position:relative;display:flex;flex-direction:column;gap:8px;padding:12px;background:var(--card);border:1px solid var(--rule);border-radius:10px;cursor:pointer;text-align:left;font:inherit;color:inherit;min-width:0;transition:transform .25s var(--ease),border-color .2s,box-shadow .25s}
.tpl:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:0 16px 30px -22px rgba(43,43,42,.6)}
.tpl:active{transform:scale(.98)}
.tpl img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:6px;background:var(--putty-2)}
.tpl__mono{display:grid;place-items:center;width:100%;aspect-ratio:1;border-radius:6px;background:var(--putty-2);font:800 26px var(--f-d);color:var(--mute)}
.tpl.is-dead{cursor:default}
.tpl b{font:700 14px var(--f-d);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tpl small{font:11px var(--f-m);color:var(--mute);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tpl small.up{color:var(--ok)}.tpl small.dn{color:var(--bad)}
.tpl.is-sel{border-color:var(--tomato);box-shadow:0 0 0 2px var(--tomato)}
.shim{border-radius:10px;background:linear-gradient(100deg,var(--putty-2) 30%,var(--paper) 50%,var(--putty-2) 70%);background-size:300% 100%;animation:shim 1.4s linear infinite;aspect-ratio:.82}
@keyframes shim{to{background-position:-150% 0}}
@media (prefers-reduced-motion:reduce){.shim{animation:none}}
.empty{grid-column:1/-1;padding:28px;border:1px dashed var(--rule-2);border-radius:10px;color:var(--mute);display:flex;gap:12px;align-items:center;flex-wrap:wrap}

/* bag */
.addrform{display:flex;gap:10px;flex-wrap:wrap;max-width:900px}
.addrform .inp{flex:1 1 340px}
.bagmeta{font-size:13px;color:var(--mute);margin:16px 0 24px;word-break:break-word}

/* export */
.exp{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,6fr);gap:40px;align-items:start}
.exp__ctl{display:flex;flex-direction:column;gap:20px;background:var(--card);border:1px solid var(--rule-2);border-radius:12px;padding:26px;min-width:0}
.bar{height:6px;background:var(--putty-2);border-radius:3px;overflow:hidden}
.bar i{display:block;height:100%;width:100%;background:var(--tomato);transform-origin:left;transform:scaleX(0);transition:transform .2s linear}
.readout{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:0;border-top:1px solid var(--rule)}
.readout div{padding:12px 0;border-bottom:1px solid var(--rule)}
.readout div:nth-child(odd){padding-right:12px;border-right:1px solid var(--rule)}
.readout div:nth-child(even){padding-left:14px}
.readout dt{font:600 11px var(--f-b);letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.readout dd{margin:4px 0 0;font:600 18px var(--f-m)}
.hashline{display:flex;flex-direction:column;gap:6px}
.hashline code{font-size:12px;word-break:break-all;color:var(--ink-2)}
.exp__out{min-width:0}
.exp__frame{aspect-ratio:1;max-width:560px;display:grid;place-items:center;background:var(--ink);border-radius:12px;padding:24px;position:relative;
  background-image:radial-gradient(circle at 12px 12px,#3c3c3a 3px,transparent 3.5px);background-size:100% 24px;background-repeat:repeat-y}
.exp__frame img{width:100%;max-width:100%;max-height:100%;image-rendering:auto;border-radius:3px}
.exp__frame p{color:#b9b3a9;text-align:center;max-width:320px;font-size:14px;margin:0}
.palette{display:grid;grid-template-columns:repeat(32,minmax(0,1fr));gap:1px;margin-top:14px;max-width:560px}
.palette i{aspect-ratio:1;display:block;border-radius:1px;transform:scale(0);transition:transform .35s var(--ease)}
.palette.is-in i{transform:none}

/* stamp */
.stamp{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--rule-2);border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:18px;min-width:0}
.card h3{font-size:24px;font-weight:700}
.msg{margin:0;background:var(--putty);border-radius:8px;padding:16px;font-size:12.5px;white-space:pre-wrap;word-break:break-all;color:var(--ink-2);min-height:120px}
.verdict{margin:0;font-size:14px;min-height:22px;word-break:break-word}
.verdict.ok{color:var(--ok)}.verdict.bad{color:var(--bad)}
.verdict a{color:var(--tomato)}
.verdict .stampmark{display:inline-block;padding:2px 9px;border:2px solid currentColor;border-radius:3px;font:700 12px var(--f-m);letter-spacing:.08em;transform:rotate(-3deg);margin-right:8px}

/* process (pinned) */
.process{height:300vh;position:relative;background:var(--ink);color:var(--putty)}
.process__pin{position:sticky;top:64px;height:calc(100vh - 64px - var(--track));max-width:1320px;margin:0 auto;padding:40px 28px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:48px;align-items:center}
.process .sec__no{border-color:var(--tomato);display:inline-block}
.process h2{font-size:clamp(32px,4vw,54px);margin:18px 0 30px;color:var(--paper)}
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;counter-reset:s}
.steps li{display:grid;grid-template-columns:44px 110px minmax(0,1fr);gap:12px;align-items:baseline;padding:14px 0;border-top:1px solid #4a4844;opacity:.38;transition:opacity .4s}
.steps li::before{counter-increment:s;content:"0" counter(s);font:12px var(--f-m);color:var(--tomato)}
.steps li b{font:700 18px var(--f-d)}
.steps li span{font-size:15px;color:#c9c2b7}
.steps li.is-on{opacity:1}
.process__vis{min-width:0}
.process__vis canvas{width:100%;height:auto;aspect-ratio:640/560}

/* x-sheet */
.xs{border:1.5px solid var(--ink);border-radius:4px;overflow:hidden;background:var(--card)}
.xs__row{display:grid;grid-template-columns:70px minmax(0,1.4fr) minmax(0,1fr) minmax(0,3fr);border-top:1px solid var(--rule)}
.xs__row span{padding:16px 18px;border-left:1px solid var(--rule);min-width:0;overflow-wrap:anywhere}
.xs__row span:first-child{border-left:0;font:12px var(--f-m);color:var(--mute)}
.xs__row--h{border-top:0;background:var(--ink);color:var(--paper)}
.xs__row--h span{font:600 11px var(--f-b);letter-spacing:.1em;text-transform:uppercase;border-color:#4a4844;color:var(--paper)!important}
.xs__row span.mono{color:var(--tomato);font-weight:600}

/* faq */
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
.faq details{border-top:1px solid var(--rule-2);padding:4px 0}
.faq summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font:700 19px/1.3 var(--f-d);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:26px;width:12px;height:12px;border-right:2px solid var(--tomato);border-bottom:2px solid var(--tomato);transform:rotate(45deg);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:translateY(5px) rotate(-135deg)}
.faq p{margin:0 0 20px;color:var(--ink-2)}

/* footer */
.foot{background:var(--ink);color:#d9d3c8;padding:80px 28px 30px}
.foot__in{max-width:1264px;margin:0 auto;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:56px}
.foot__logo{font:800 40px/1 var(--f-d);color:var(--paper);margin:0 0 14px;letter-spacing:-.04em}
.foot__brand p{margin:0 0 14px;max-width:340px}
.foot__coin{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.foot__coin a{color:var(--paper)}
.foot__coin .copy{color:var(--paper)}
.foot__honest{border-left:2px solid var(--tomato);padding-left:26px}
.foot__honest h2{font-size:22px;color:var(--paper);margin-bottom:12px}
.foot__honest p{margin:0;line-height:1.7}
.foot__base{max-width:1264px;margin:60px auto 0;padding-top:20px;border-top:1px solid #4a4844;font-size:12px;color:#8f897f}

/* keyframe track */
.track{position:fixed;left:0;right:0;bottom:0;overflow-x:clip;height:var(--track);z-index:55;background:var(--ink);color:var(--putty);display:flex;align-items:center;gap:18px;padding:0 20px;border-top:1px solid #000}
.track__tc{font-size:12px;color:var(--tomato);min-width:74px}
.track__lane{position:relative;flex:1;height:100%;min-width:0;
  background-image:repeating-linear-gradient(90deg,#4a4844 0 1px,transparent 1px 12px);background-size:100% 8px;background-repeat:no-repeat;background-position:0 100%}
.track__lane::before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:#4a4844}
.track__kf{position:absolute;top:50%;width:12px;height:12px;margin:-6px 0 0 -6px;transform:rotate(45deg);background:var(--ink);border:1.5px solid #8f897f;cursor:pointer;padding:0;transition:background .2s,border-color .2s,transform .2s}
.track__kf:hover,.track__kf.is-past{background:var(--tomato);border-color:var(--tomato)}
.track__kf:hover{transform:rotate(45deg) scale(1.25)}
.track__kf span{position:absolute;left:50%;bottom:16px;transform:rotate(-45deg) translateX(-50%);transform-origin:0 0;font:11px var(--f-b);white-space:nowrap;color:#b9b3a9;pointer-events:none;opacity:0;transition:opacity .2s}
.track__kf:hover span,.track__kf:focus-visible span{opacity:1}
.track__head{position:absolute;top:4px;bottom:4px;left:0;width:2px;background:var(--tomato);transform:translateX(0);will-change:transform}
.track__head::before{content:"";position:absolute;top:-2px;left:-5px;border:6px solid transparent;border-top:7px solid var(--tomato)}

/* review sheet */
.sheet{position:fixed;inset:0;z-index:400;background:rgba(43,43,42,.55);display:grid;place-items:center;padding:16px}
.sheet__card{background:var(--card);border-radius:14px;max-width:520px;width:100%;padding:28px;max-height:90vh;overflow:auto}
.sheet__card h3{font-size:24px;margin-bottom:16px}
.sheet__list{margin:0 0 20px}
.sheet__list div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:12px;padding:10px 0;border-top:1px solid var(--rule)}
.sheet__list dt{font:600 12px var(--f-b);text-transform:uppercase;letter-spacing:.06em;color:var(--mute)}
.sheet__list dd{margin:0;font-size:14px;word-break:break-all}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .nav__right{margin-left:auto}
  .hero{grid-template-columns:minmax(0,1fr);min-height:0;padding-top:44px}
  .studio,.capdesk,.exp,.process__pin{grid-template-columns:minmax(0,1fr)}
  .process{height:auto}
  .process__pin{position:relative;top:0;height:auto;padding:90px 28px}
}
@media (max-width:720px){
  .nav__in{padding:0 16px;gap:10px}
  .brand span{font-size:18px}
  .hero{padding:32px 16px 48px;gap:36px}
  .hero__facts{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .hero__facts div:last-child{display:none}
  .hero__sub{font-size:17px}
  .sec{padding:76px 16px}
  .sec__head{grid-template-columns:minmax(0,1fr)}
  .sec__no{grid-row:auto;margin-bottom:16px;width:max-content}
  .stamp,.faq{grid-template-columns:minmax(0,1fr)}
  .viewer{padding:14px}
  .studio__panel,.exp__ctl,.card{padding:20px}
  .xs__row{grid-template-columns:44px minmax(0,1fr) minmax(0,1fr)}
  .xs__row span:last-child{display:none}
  .xs__row span{padding:12px 10px}
  .steps li{grid-template-columns:34px minmax(0,1fr)}
  .steps li span{grid-column:2}
  .process__pin{padding:70px 16px}
  .foot{padding:60px 16px 24px}
  .foot__in{grid-template-columns:minmax(0,1fr);gap:36px}
  .track{padding:0 12px;gap:10px}
  .track__tc{min-width:0;font-size:11px}
  .tplgrid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}
  .palette{grid-template-columns:repeat(16,minmax(0,1fr))}
  .wb-btn{padding:0 13px;font-size:13px}
  .wb-btn.is-on{padding-left:26px}
  .sheet__list div{grid-template-columns:minmax(0,1fr);gap:4px}
}
@media (max-width:340px){ .brand span{display:none} }

/* ---------- plain-language pass: hero tech line, 3-step storyboard, what-lines, try buttons, glossary ---------- */
.hero__tech{font-size:14px;line-height:1.5;color:var(--mute);max-width:500px;margin:-14px 0 28px}
.how{background:var(--ink);color:var(--paper);border-top:1px solid var(--ink);position:relative}
.how::before,.how::after{content:"";position:absolute;left:0;right:0;height:10px;background:radial-gradient(circle at 9px 5px,var(--putty) 3px,transparent 3.5px) 0 0/22px 10px repeat-x;opacity:.55}
.how::before{top:6px}.how::after{bottom:6px}
.how__in{max-width:1320px;margin:0 auto;padding:54px 28px 50px}
.how__title{font-size:clamp(26px,2.6vw,36px);font-weight:700;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.how__tag{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--tomato);border:1px solid var(--tomato);padding:4px 8px;border-radius:3px}
.how__list{list-style:none;margin:28px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;counter-reset:how}
.how__step{background:var(--paper);color:var(--ink);border-radius:8px;padding:18px 20px 20px;display:grid;grid-template-columns:52px minmax(0,1fr);column-gap:16px;align-items:center;min-width:0;position:relative}
.how__step::after{content:"";position:absolute;right:-14px;top:50%;width:10px;height:10px;border-top:2px solid var(--tomato);border-right:2px solid var(--tomato);transform:translateY(-50%) rotate(45deg)}
.how__step:last-child::after{display:none}
.how__frame{grid-row:1/3;width:52px;height:52px;border:1.5px solid var(--ink);border-radius:6px;display:grid;place-items:center;background:var(--putty)}
.how__frame svg{width:34px;height:34px;fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.how__frame circle{fill:var(--tomato);stroke:none}
.how__n{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--tomato)}
.how__step p{margin:4px 0 0;font:600 17px/1.35 var(--f-d)}
.how__safe{margin:22px 0 0;font-size:15px;color:#d8d2c7;display:flex;gap:10px;align-items:flex-start}
.how__safe::before{content:"";flex:none;width:16px;height:16px;margin-top:3px;border-radius:50%;border:2px solid var(--ok);background:radial-gradient(circle,var(--ok) 3px,transparent 3.5px)}
.sec__head>:not(.sec__no){grid-column:2}.sec__head .sec__no{grid-row:1/span 6}
.what{margin:16px 0 0;max-width:680px;font-size:17px;color:var(--ink);padding:10px 14px;background:var(--tomato-t);border-left:3px solid var(--tomato);border-radius:0 6px 6px 0}
.what b{color:var(--tomato-d)}
.try{margin:18px 0 0;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;color:var(--mute)}
.btn--try{background:var(--tomato);border-color:var(--tomato);color:#fff}
.btn--try:hover{background:var(--tomato-d);border-color:var(--tomato-d)}
abbr[title]{text-decoration:underline dotted var(--tomato);text-underline-offset:3px;cursor:help}
.verdict.plain{font-size:15px;font-weight:500}
.gloss{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;margin:0}
.gloss div{border-top:1px solid var(--rule-2);padding:16px 0}
.gloss dt{font:700 18px/1.3 var(--f-d)}
.gloss dd{margin:6px 0 0;color:var(--ink-2)}
@media (max-width:1100px){ .how__list{grid-template-columns:minmax(0,1fr)} .how__step::after{right:auto;left:42px;top:auto;bottom:-13px;transform:rotate(135deg)} }
@media (max-width:720px){
  .how__in{padding:44px 16px 40px}
  .sec__head>:not(.sec__no){grid-column:auto}.sec__head .sec__no{grid-row:auto}
  .what{font-size:16px}
  .gloss{grid-template-columns:minmax(0,1fr)}
}