/* KPI Fuel kit: components. Load tokens.css first. Spec: builder/kpifuel/study/KIT.md. README beside this file.
   Rules: the slick lives in one object per page; no text uses the lander's .46 mute; nothing fixed carries text or a
   tap; layout never depends on a script or an animation; Reduce Motion is a complete, still page. */

/* ---------- reset and ground ---------- */
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{background:var(--bg);-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--f-read);overflow-x:clip;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;position:relative}
img,svg{display:block;max-width:100%}
a{color:inherit}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{list-style:none}
::selection{background:rgba(107,63,160,.6);color:var(--ink)}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* the glass behind everything: haze (scrolls away), grain (still, under the content) */
.kf-haze{position:absolute;left:0;right:0;top:0;height:100svh;z-index:0;pointer-events:none;
  background:radial-gradient(42% 38% at 46% 50%,rgba(107,63,160,.09),transparent 70%),radial-gradient(36% 30% at 58% 52%,rgba(14,94,111,.08),transparent 70%)}
.kf-grain{position:fixed;inset:0;z-index:0;pointer-events:none;background:var(--grain);background-size:160px 160px;opacity:.06;mix-blend-mode:overlay}
.kf-vignette{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(120% 90% at 50% 50%,transparent 55%,rgba(0,0,0,.55) 100%)}
.kf-page{position:relative;z-index:1}

/* ---------- type ---------- */
.lab{font:400 11px/1.3 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--label);font-variant-numeric:tabular-nums}
.sec{font:400 12px/1.4 var(--f-wide);letter-spacing:.30em;text-transform:uppercase;color:var(--label)}
.title{font:400 clamp(26px,6.4vw,46px)/1.12 var(--f-wide);letter-spacing:-.01em;color:var(--ink);text-wrap:balance;overflow-wrap:anywhere}
.lede{font:400 clamp(21px,5.2vw,26px)/1.3 var(--f-read);letter-spacing:-.01em;color:var(--ink);text-wrap:balance}
.epi{font:400 12px/1.8 var(--f-wide);letter-spacing:.30em;text-transform:uppercase;color:var(--read);text-wrap:balance}
.note{font:400 17px/1.6 var(--f-read);color:var(--body);max-width:34em}
.note a,.inline-link{color:var(--ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;overflow-wrap:anywhere}
.hint{font:400 15px/1.5 var(--f-read);color:var(--read)}
.warn{color:var(--warn)}
.addr{white-space:nowrap;font-weight:500;color:var(--ink)}
@media (min-width:721px){.sec{font-size:13px;letter-spacing:.34em}.epi{font-size:13px;letter-spacing:.36em}}

/* ---------- the bar (in the flow: never fixed or sticky) ---------- */
.bar{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:var(--s3);
  padding:calc(14px + env(safe-area-inset-top,0px)) var(--gutter) 14px;border-bottom:1px solid var(--line)}
.wm{position:relative;display:block;width:104px;aspect-ratio:11596/1356;color:var(--ink);flex:none}
.wm svg{position:absolute;inset:0;width:100%;height:100%}
.wm .sheen{position:absolute;inset:-1px;background:var(--slick);background-size:300% 100%;background-position:120% 0;
  -webkit-mask:url(wordmark.svg) center/100% 100% no-repeat;mask:url(wordmark.svg) center/100% 100% no-repeat;
  mix-blend-mode:screen;opacity:.95;animation:kf-sweep 2.1s var(--ease) .9s both}
a.wm{min-height:44px;display:flex;align-items:center}
a.wm svg{position:static;height:auto}
a.wm .sheen{inset:auto;left:0;right:0;top:50%;height:calc(104px / 8.5516);transform:translateY(-50%)}
@keyframes kf-sweep{from{background-position:120% 0}to{background-position:-20% 0}}
@media (min-width:721px){.wm{width:120px}a.wm .sheen{height:calc(120px / 8.5516)}}

.bar-link,.solo-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;font:400 13px/1 var(--f-mono);letter-spacing:.06em;
  color:var(--ink);text-decoration:none;position:relative}
.bar-link span:first-child,.solo-link span:first-child{background:linear-gradient(var(--ink),var(--ink)) 0 100%/0 1px no-repeat,linear-gradient(var(--mute),var(--mute)) 0 100%/100% 1px no-repeat;
  padding-bottom:4px;transition:background-size .6s var(--ease)}
.bar-link .arw,.solo-link .arw{font-family:var(--f-mono);transition:transform .6s var(--ease)}
@media (hover:hover){.bar-link:hover span:first-child,.solo-link:hover span:first-child{background-size:100% 1px,100% 1px}
  .bar-link:hover .arw,.solo-link:hover .arw{transform:translate(3px,-3px)}}
.bar-link:focus-visible span:first-child,.solo-link:focus-visible span:first-child{background-size:100% 1px,100% 1px}
@media (min-width:721px){.bar-link,.solo-link{font-size:12px}}

/* ---------- the column ---------- */
.col{position:relative;z-index:1;max-width:calc(var(--col) + 2*var(--gutter));margin:0 auto;padding:0 var(--gutter)}
.intro{padding:clamp(28px,7vw,88px) 0 clamp(24px,5vw,48px);display:grid;gap:12px}
.intro>*{animation:kf-rise 1.2s var(--ease) both}
.intro>*:nth-child(2){animation-delay:.1s}.intro>*:nth-child(3){animation-delay:.2s}
.intro>*:nth-child(4){animation-delay:.3s}.intro>*:nth-child(n+5){animation-delay:.4s}
@keyframes kf-rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.block{border-top:1px solid var(--line);padding:28px 0 36px;display:grid;gap:16px}
.block:has(.qs)+.block{border-top:0;padding-top:8px}

/* ---------- banners ---------- */
.banner{padding:14px 16px;font:500 15px/1.5 var(--f-read);border:1px solid}
.banner.ok,.paid{color:var(--ok);border-color:rgba(111,208,200,.45)}
.banner.warn,.draft{color:var(--warn);border-color:rgba(226,176,74,.45)}
.paid{margin-top:24px;padding:14px 16px;font:500 15px/1.5 var(--f-read);border:1px solid rgba(111,208,200,.45)}
.draft{margin-bottom:32px;padding:12px 14px;font:500 15px/1.5 var(--f-read);border:1px solid rgba(226,176,74,.45)}

/* ---------- the record button: the page's one slick object ---------- */
.rec{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.rec-btn{position:relative;isolation:isolate;display:grid;place-items:center;align-content:center;gap:6px;width:112px;height:112px;flex:none;
  border-radius:50%;border:1.5px solid transparent;cursor:pointer;color:var(--ink);
  background:linear-gradient(var(--bg),var(--bg)) padding-box,var(--slick-ring) border-box;transition:transform .3s var(--ease),filter .6s var(--ease)}
.rec-btn .dot{width:24px;height:24px;border-radius:50%;background:var(--ink);transition:border-radius .25s,width .25s,height .25s,transform .6s var(--ease),opacity .3s}
.rec-btn .rec-l{font:500 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase}
.rec-btn::before{content:"";position:absolute;inset:-10px;z-index:-1;border-radius:50%;background:var(--slick-ring);filter:blur(14px);opacity:0;transition:opacity .4s}
.rec-btn:focus-visible{outline-offset:6px}
@media (hover:hover){.rec-btn:hover{filter:brightness(1.25)}.rec-btn:hover .dot{transform:scale(1.08)}}
.rec-btn:active{transform:scale(.97);box-shadow:0 0 0 4px var(--bg),0 0 0 5px rgba(226,176,74,.7)}
.rec.on .rec-btn{border-width:2.5px}
.rec.on .rec-btn .dot{width:20px;height:20px;border-radius:3px}
.rec.on .rec-btn::before{opacity:.5;animation:kf-turn 8s linear infinite,kf-breathe 1.6s ease-in-out infinite alternate}
.rec.on.paused .rec-btn::before{opacity:0;animation:none}
.rec.on.paused .rec-btn{filter:saturate(.35);background:linear-gradient(var(--bg),var(--bg)) padding-box,linear-gradient(rgba(244,244,246,.45),rgba(244,244,246,.45)) border-box}
.rec.on.paused .rec-btn .dot{opacity:.55}
@keyframes kf-turn{to{rotate:360deg}}
@keyframes kf-breathe{from{opacity:.35;scale:1}to{opacity:.6;scale:1.06}}
.rec-side{display:grid;gap:6px;min-width:0;flex:1 1 170px}
.rec-time{font:300 40px/1 var(--f-mono);letter-spacing:.02em;font-variant-numeric:tabular-nums;color:var(--ink)}
.rec.paused .rec-time{color:var(--label)}
.rec-state{font:400 15px/1.5 var(--f-read);color:var(--read)}
.rec-ctl{display:flex;gap:10px;flex-wrap:wrap}
@media (min-width:721px){.rec-time{font-size:44px}}

.jump{justify-self:start;display:inline-flex;align-items:center;gap:10px;min-height:44px;font:400 13px/1 var(--f-mono);letter-spacing:.06em;color:var(--ink);text-decoration:none}
.jump span:first-child{background:linear-gradient(var(--mute),var(--mute)) 0 100%/100% 1px no-repeat;padding-bottom:4px}
@media (hover:hover){.jump:hover span:first-child{background-image:linear-gradient(var(--ink),var(--ink))}}
@media (min-width:721px){.jump{font-size:12px}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;justify-self:start;
  border:1px solid var(--edge);border-radius:var(--r-pill);background:transparent;cursor:pointer;
  font:500 12px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink);text-decoration:none;
  transition:background-color .3s,border-color .3s}
@media (hover:hover){.btn:hover{background:var(--hot);border-color:var(--ink)}}
.btn:active{background:var(--press)}
.btn[disabled]{opacity:.4;cursor:default}
.file-btn{position:relative}
.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.file-btn:focus-within{outline:2px solid var(--ink);outline-offset:3px}
.send-btn{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:0 32px;justify-self:start;border:0;border-radius:var(--r-pill);
  background:var(--ink);color:var(--bg);font:500 13px/1 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;cursor:pointer;transition:transform .3s var(--ease),background-color .3s}
@media (hover:hover){.send-btn:hover{background:#fff}}
.send-btn:active{transform:scale(.98);background:rgba(244,244,246,.86)}
.send-btn:focus-visible{outline-offset:4px}
.send-btn[disabled]{background:var(--press);color:var(--label);cursor:default;transform:none}
.del{min-height:44px;padding:0 12px;border:0;background:transparent;cursor:pointer;color:var(--read);
  font:400 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
@media (hover:hover){.del:hover{color:var(--ink)}}
.del[data-armed]{color:var(--err)}

/* ---------- fields ---------- */
.q{display:grid;gap:6px}
.q-t{font:500 18px/1.35 var(--f-read);letter-spacing:-.005em;color:var(--ink)}
.q-h{font:400 15px/1.5 var(--f-read);color:var(--read)}
.qs{display:grid;gap:26px;counter-reset:q}
.qs .q{counter-increment:q}
.qs .q-t::before{content:counter(q,decimal-leading-zero);display:block;margin-bottom:6px;font:400 11px/1 var(--f-mono);letter-spacing:.14em;color:var(--label)}
textarea,input[type=text],input[type=url],input[type=email]{width:100%;font:400 16px/1.5 var(--f-read);color:var(--ink);caret-color:var(--ink);
  padding:8px 0 10px;border:0;border-bottom:1px solid var(--edge);border-radius:0;background:transparent;-webkit-appearance:none;appearance:none;scroll-margin-block:96px}
textarea{min-height:58px;height:58px;resize:none;overflow:hidden}
textarea::placeholder,input::placeholder{color:var(--label);opacity:1}
textarea:focus,input:focus{outline:none;border-bottom-color:var(--ink);box-shadow:0 1px 0 0 var(--ink)}
input:-webkit-autofill{-webkit-text-fill-color:var(--ink);box-shadow:0 0 0 100px var(--bg) inset;caret-color:var(--ink)}
@media (min-width:721px){.q-t{font-size:19px}}

/* ---------- lists of takes, files, sites ---------- */
.takes{display:grid;gap:10px}
.takes:empty{display:none}
.take{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px 12px;padding:14px 16px;background:var(--card);border:1px solid var(--line)}
.take>div{min-width:0}
.t-name{font:500 16px/1.35 var(--f-read);color:var(--ink);overflow-wrap:anywhere}
.t-meta{font:400 12px/1.4 var(--f-mono);letter-spacing:.04em;color:var(--read);font-variant-numeric:tabular-nums}
.take audio{grid-column:1/-1;width:100%;height:40px}
.take .thumb{grid-column:1/-1;width:100%;max-height:220px;object-fit:contain;background:var(--bg);outline:1px solid var(--line)}
.inspo{display:grid;gap:14px}
.inspo li{display:grid;gap:8px;padding:0}
.inspo li textarea,.inspo li input{background:transparent}
.i-top{display:flex;justify-content:space-between;align-items:center;gap:12px}

/* ---------- send ---------- */
.prog{height:2px;background:var(--line);overflow:hidden}
.prog span{display:block;height:100%;width:0;background:var(--slick-bar);background-size:100% 100%;transition:width .2s linear}
.send-state{font:400 15px/1.5 var(--f-read);color:var(--read);min-height:1.5em}
.send-state.ok{color:var(--ok);font-weight:500}
.send-state.err{color:var(--err)}
.saved{min-height:1.3em}

/* ---------- the scope's terms ---------- */
.seal{width:48px;height:2px;background:var(--slick-bar)}
.terms{border-top:1px solid var(--line);margin-top:32px;padding-top:24px;display:grid;gap:12px}
.terms ul{display:grid;gap:12px}
.terms li{position:relative;padding-left:22px;font:400 17px/1.6 var(--f-read);color:var(--body)}
.terms li::before{content:"";position:absolute;left:0;top:.8em;width:12px;height:1px;background:var(--mute)}

/* ---------- footer ---------- */
.foot{position:relative;z-index:1;max-width:calc(var(--col) + 2*var(--gutter));margin:0 auto;
  padding:0 var(--gutter) calc(40px + env(safe-area-inset-bottom,0px));font:400 15px/1.5 var(--f-read);color:var(--label)}
.foot::before{content:"";display:block;height:1px;background:var(--line);margin-bottom:28px}
.foot-labels{display:flex;flex-wrap:wrap;gap:8px 28px}
.foot-labels .lab{line-height:1.6}
.foot-labels .mail{text-transform:none;letter-spacing:.06em}

/* ---------- one-screen pages (root, 404) ---------- */
.solo{min-height:100svh;display:grid;place-items:center;position:relative;z-index:1;padding:var(--gutter)}
.solo-w{display:flex;flex-direction:column;align-items:center;gap:28px;width:min(60vw,640px);text-align:center}
@media (max-width:720px){.solo-w{width:84vw}}
.solo-mark{position:relative;display:block;width:100%;aspect-ratio:11596/1356;color:var(--ink);opacity:.9}
.solo-mark svg{position:absolute;inset:0;width:100%;height:100%}
.solo-mark .ink{position:absolute;inset:0;animation:kf-ink 1.5s var(--ease) both}
.solo-mark .sheen{position:absolute;inset:-1px;background:var(--slick);background-size:300% 100%;background-position:120% 0;
  -webkit-mask:url(wordmark.svg) center/100% 100% no-repeat;mask:url(wordmark.svg) center/100% 100% no-repeat;mix-blend-mode:screen;opacity:.95;animation:kf-sweep 2.1s var(--ease) 1.4s both}
@keyframes kf-ink{from{clip-path:inset(0 100% 0 0);filter:blur(6px);opacity:0}to{clip-path:inset(0 0 0 0);filter:blur(0);opacity:1}}
.solo-line{font:400 11px/1.3 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--label)}
.solo .kf-grain{animation:kf-grain 1s steps(6) infinite}
@keyframes kf-grain{0%{background-position:0 0}20%{background-position:-10px 6px}40%{background-position:8px -11px}60%{background-position:-5px 13px}80%{background-position:11px 3px}100%{background-position:-6px -8px}}

/* ---------- Reduce Motion: complete and still ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .wm .sheen,.solo-mark .sheen{display:none}
  .rec.on .rec-btn::before{opacity:.45}
  .rec.on.paused .rec-btn::before{opacity:0}
  .rec-btn:active,.send-btn:active{transform:none}
}

/* ---------- print (the scope: ink on white) ---------- */
@media print{
  :root{--bg:#fff;--ink:#000;--body:#111;--read:#333;--label:#444;--mute:#888;--line:#ccc;--edge:#888;--card:transparent;color-scheme:light}
  .kf-haze,.kf-grain,.kf-vignette,.wm .sheen,.bar-link,.rec-btn::before{display:none!important}
  body{background:#fff;color:#000}
}