:root{
  --bg:#ffffff; --soft:#f6f6f6; --line:#ececec; --ink:#0a0a0a; --mute:#8a8a8a;
  --ui:'Inter','Heebo',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  --mono:'Space Mono','Courier New',monospace;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){--bg:#0a0a0a;--soft:#141414;--line:#232323;--ink:#f5f5f5;--mute:#7c7c7c}
}
:root[data-theme="dark"]{--bg:#0a0a0a;--soft:#141414;--line:#232323;--ink:#f5f5f5;--mute:#7c7c7c}
html{scroll-padding-top:calc(64px + env(safe-area-inset-top,0px))}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:300 15px/1.6 var(--ui);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:1.5px solid var(--ink);outline-offset:3px}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(18px,4vw,40px)}

/* nav — same rhythm as wipai.co */
.top{border-bottom:1px solid var(--line);position:sticky;top:env(safe-area-inset-top,0px);background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:5}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{font:400 16px var(--ui);letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.tabs{display:flex;gap:clamp(18px,3vw,34px)}
.tabs button{border:0;background:none;padding:4px 0;font:400 14px var(--ui);color:var(--mute);border-bottom:1px solid transparent}
.tabs button:hover{color:var(--ink)}
.tabs button.on{color:var(--ink);border-bottom-color:var(--ink)}

/* hero */
.hero{padding:clamp(56px,9vw,104px) 0 clamp(48px,7vw,80px);border-bottom:1px solid var(--line)}
.hero .eyebrow{font:400 12px var(--ui);letter-spacing:.32em;color:var(--mute);margin:0 0 24px;text-align:start}
.hero h1{font:100 clamp(60px,12.5vw,150px)/.92 var(--ui);letter-spacing:-.035em;margin:0 0 40px;text-align:start}
.hero h2{font:300 clamp(28px,4vw,46px)/1.15 'Heebo',var(--ui);letter-spacing:-.01em;margin:0 0 26px}
.hero h2 span{display:block;color:var(--mute)}
.hero p{color:var(--mute);font-size:17px;max-width:46ch;margin:0}
.hero .eyebrow{font-size:12px;max-width:none;margin:0 0 24px}

main{padding-bottom:72px}
.panel{display:none}
.panel.on{display:block}
.sec-label{font:400 12px var(--ui);letter-spacing:.32em;color:var(--mute);margin:0;text-align:start}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:64px 0 36px}
.sec-head p{margin:0;color:var(--mute);max-width:44ch}
@media (max-width:720px){.sec-head{grid-template-columns:1fr;padding-top:44px}}

.pipe{display:flex;gap:24px;overflow-x:auto;padding:0 0 32px;font-size:13px}
.pipe span{flex:0 0 auto;color:var(--mute);white-space:nowrap}
.pipe span.hit{color:var(--ink)}
.pipe span b{font-weight:400;margin-inline-end:6px;color:var(--mute)}

.studio{display:grid;grid-template-columns:minmax(300px,390px) 1fr;gap:clamp(28px,5vw,64px);align-items:start}
@media (max-width:900px){.studio{grid-template-columns:1fr}.stage{order:-1}}
.controls{display:flex;flex-direction:column}
.block{padding:24px 0;border-top:1px solid var(--line)}
.block:first-child{border-top:0;padding-top:0}
.block h3{margin:0 0 14px;font:400 11px var(--ui);letter-spacing:.3em;color:var(--mute);text-align:start}
.hint{color:var(--mute);font-size:13px;margin:10px 0 0}

.drop{display:block;border:1px dashed color-mix(in srgb,var(--ink) 22%,transparent);border-radius:16px;padding:24px 16px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;position:relative}
.drop.over,.drop:hover{border-color:var(--ink);background:var(--soft)}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.drop strong{display:block;font-weight:400}
.thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:14px}
.slot{position:relative;aspect-ratio:3/4;border-radius:10px;border:1px solid var(--line);background:var(--soft);overflow:hidden;display:flex;align-items:center;justify-content:center;padding:0}
.slot img{width:100%;height:100%;object-fit:cover}
.slot .n{position:absolute;top:5px;inset-inline-start:5px;font:500 10px var(--ui);background:var(--ink);color:var(--bg);width:18px;height:18px;border-radius:50%;display:grid;place-items:center}
.slot .plus{font-size:22px;font-weight:200;color:var(--mute)}
.slot-wrap{display:flex;flex-direction:column;gap:4px}
.slot-wrap .mv{display:flex;gap:3px}
.slot-wrap .mv button{flex:1;border:1px solid var(--line);background:transparent;border-radius:999px;font-size:12px;padding:0;color:var(--mute)}
.slot-wrap .mv button:hover{color:var(--ink);border-color:var(--ink)}
.row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;align-items:center}
.btn{border:1px solid var(--line);background:transparent;border-radius:999px;padding:8px 16px;font-weight:400;font-size:14px;color:var(--ink)}
.btn:hover{border-color:var(--ink)}
.btn.pill{background:var(--ink);color:var(--bg);border-color:var(--ink);font-weight:500;display:inline-flex;align-items:center;gap:14px}
.btn.big{padding:13px 22px;font-size:15px}
.btn.pill.big{padding:11px 11px 11px 24px}
[dir="rtl"] .btn.pill.big{padding:11px 24px 11px 11px}
.btn .arr{width:30px;height:30px;border-radius:50%;background:color-mix(in srgb,var(--bg) 20%,var(--ink));display:grid;place-items:center;font-size:13px}

.tpls{display:grid;grid-template-columns:repeat(auto-fill,minmax(94px,1fr));gap:10px}
.tpl{border:1px solid var(--line);border-radius:12px;background:transparent;padding:5px;text-align:center}
.tpl canvas{width:100%;aspect-ratio:4/5;display:block;border-radius:8px;background:var(--soft)}
.tpl span{display:block;font-size:12px;margin-top:5px;line-height:1.2;color:var(--mute)}
.tpl.on{border-color:var(--ink)}
.tpl.on span{color:var(--ink)}

.pals{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.pal{border:1px solid var(--line);border-radius:12px;background:transparent;padding:6px;text-align:start}
.pal .sw{display:flex;height:22px;border-radius:6px;overflow:hidden;border:1px solid var(--line)}
.pal .sw i{flex:1}
.pal span{display:block;font-size:12px;margin-top:5px;color:var(--mute)}
.pal.on{border-color:var(--ink)}
.pal.on span{color:var(--ink)}

.fields{display:grid;gap:14px}
.fields label{display:grid;gap:4px;font-size:13px;color:var(--mute)}
.fields input,.fields select,.step textarea{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:8px 0;color:var(--ink);font-weight:400;font-size:15px}
.fields input:focus,.fields select:focus,.step textarea:focus{outline:none;border-bottom-color:var(--ink)}
.fields select option{background:var(--bg);color:var(--ink)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.toggles{display:flex;flex-wrap:wrap;gap:6px}
.toggles label{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:999px;padding:6px 14px;cursor:pointer;font-size:13px;color:var(--mute)}
.toggles label:has(input:checked){border-color:var(--ink);color:var(--ink)}
.toggles input{accent-color:var(--ink)}

.stage{position:sticky;top:calc(86px + env(safe-area-inset-top,0px))}
@media (max-width:900px){.stage{position:static}}
.frame{background:var(--soft);border-radius:20px;padding:clamp(14px,3vw,36px)}
#cv{width:100%;height:auto;display:block;box-shadow:0 30px 60px -32px rgba(0,0,0,.35);max-height:72vh;object-fit:contain}
.actions{display:flex;gap:14px;margin-top:20px;flex-wrap:wrap;align-items:center}
.status{font-size:13px;color:var(--mute)}

/* workflow */
.steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));border-top:1px solid var(--line);border-inline-start:1px solid var(--line)}
.step{border-bottom:1px solid var(--line);border-inline-end:1px solid var(--line);padding:28px;display:flex;flex-direction:column;gap:12px}
.step header{display:flex;flex-direction:column;gap:8px}
.step header b{font:400 11px var(--ui);letter-spacing:.3em;color:var(--mute)}
.step header h4{margin:0;font:200 34px/1.1 'Heebo',var(--ui);letter-spacing:-.01em}
.step p{margin:0;color:var(--mute);font-size:14px}
.step label{display:grid}
.step textarea{min-height:50px;resize:vertical}
.checks{display:grid;gap:8px}
.checks label{display:flex;gap:10px;align-items:center;color:var(--ink);font-size:14px}
.checks input{accent-color:var(--ink);width:16px;height:16px}
.flow-actions{display:flex;gap:10px;flex-wrap:wrap;padding:0 0 32px;align-items:center}
.out{margin-top:32px;border:1px solid var(--line);border-radius:20px;padding:24px}
.out textarea{width:100%;min-height:200px;font:400 13px/1.7 var(--mono);direction:ltr;text-align:left;border:0;background:var(--soft);border-radius:12px;padding:16px;color:var(--ink)}

.toast{position:fixed;bottom:calc(24px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 20px;border-radius:999px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:20;font-size:14px}
.toast.on{opacity:1}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}


[dir="rtl"] .hero .eyebrow,[dir="rtl"] .hero h1,[dir="rtl"] .sec-label,[dir="rtl"] .block h3{text-align:right}

/* wipai.co shell */
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:999px;z-index:30;text-decoration:none}
.skip:focus{top:12px}
.top .links{display:flex;gap:clamp(14px,2.4vw,28px);flex-wrap:wrap;justify-content:flex-end}
.top .links a{font:400 14px var(--ui);color:var(--mute);text-decoration:none;border-bottom:1px solid transparent;padding:4px 0}
.top .links a:hover{color:var(--ink)}
.top .links a[aria-current]{color:var(--ink);border-bottom-color:var(--ink)}
@media (max-width:720px){.top .wrap{height:auto;min-height:62px;flex-wrap:wrap;gap:6px;padding-top:10px;padding-bottom:10px}.top .links{gap:14px}}
.tabbar{display:flex;gap:clamp(18px,3vw,34px);padding-top:36px}
.tabbar .tabs button{font-size:15px}
.example{padding:clamp(36px,6vw,64px) 0 0}
.example figure{margin:0}
.example img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:20px}
.example figcaption{color:var(--mute);font-size:13px;margin-top:12px}
.out-head{margin:0 0 10px;justify-content:space-between;align-items:center}
.foot{border-top:1px solid var(--line);padding:28px 0 36px;color:var(--mute);font-size:13px}
.foot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot a{color:var(--mute);margin-inline-end:16px;text-decoration:none}
.foot a:hover{color:var(--ink)}