/* ---------- chrome: white paper, quiet type ---------- */
:root{
  --bg:#FFFFFF;
  --sub:#F6F6F4;
  --line:#E6E6E2;
  --txt:#0A0A0A;
  --dim:#8C8C86;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}

body{
  background:var(--bg);
  color:var(--txt);
  font-family:"Instrument Sans",sans-serif;
  font-size:15px;
  letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;
}

.nav{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 20px;
  background:rgba(255,255,255,.78);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line);
}
.nav-mark{
  font-family:"IBM Plex Mono",monospace;
  font-size:11.5px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;
}
.nav-act{
  background:none;border:0;padding:8px 0;
  font-family:"IBM Plex Mono",monospace;
  font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--txt);cursor:pointer;opacity:.45;
  transition:opacity .18s ease;
}
.nav-act:hover{opacity:1}

/* hero: Archivo expanded, big and tight */
.hero{padding:64px 20px 48px;text-align:center}
.hero h1{
  margin:0;
  font-family:"Archivo",sans-serif;
  font-variation-settings:"wdth" 112,"wght" 800;
  font-size:clamp(40px,11vw,78px);
  line-height:.94;letter-spacing:-.04em;
}
.hero p{
  margin:20px auto 0;max-width:28ch;
  font-size:clamp(15px,4vw,18px);
  color:var(--dim);
}

.wrap{
  display:grid;gap:28px;
  padding:8px 16px 80px;
  max-width:1180px;margin:0 auto;
}
@media(min-width:980px){
  .wrap{grid-template-columns:290px 1fr;gap:56px;padding:16px 28px 96px;align-items:start}
  .panel{position:sticky;top:76px}
}

/* ---------- panel ---------- */
.row{margin-bottom:20px}
label,.label{
  display:block;
  font-family:"IBM Plex Mono",monospace;
  font-size:10.5px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;
  color:var(--dim);
  margin-bottom:9px;
}
textarea,input[type="text"],input[type="url"]{
  width:100%;
  font-family:"Instrument Sans",sans-serif;
  font-size:15.5px;letter-spacing:-.005em;
  color:var(--txt);
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  padding:12px 14px;
  min-height:46px;
  resize:vertical;
  transition:border-color .18s ease;
}
textarea{line-height:1.35}
textarea:focus,input:focus{outline:none;border-color:var(--txt)}
::placeholder{color:#B4B4AE}

.inline{display:flex;gap:8px}
.inline input{flex:1}
.mini{
  flex:none;
  background:#fff;color:var(--txt);
  border:1px solid var(--line);border-radius:10px;
  font-family:"IBM Plex Mono",monospace;
  font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  padding:0 14px;min-height:46px;
  cursor:pointer;
  transition:border-color .18s ease;
}
.mini:hover{border-color:var(--txt)}

/* theme swatches */
label em,.label em{
  font-style:normal;color:var(--txt);letter-spacing:.16em;
}
.swatches{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  max-width:320px;
}
@media(min-width:520px){.swatches{grid-template-columns:repeat(8,1fr);max-width:none}}
@media(min-width:980px){.swatches{grid-template-columns:repeat(4,1fr);gap:12px;max-width:none}}
.sw{
  appearance:none;border:0;padding:0;cursor:pointer;
  aspect-ratio:1;width:100%;border-radius:999px;
  position:relative;overflow:hidden;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.12);
  transition:transform .16s ease;
}
.sw:hover{transform:scale(1.08)}
.sw span{position:absolute;inset:0}
.sw span:nth-child(2){clip-path:polygon(0 100%,100% 100%,100% 42%,0 78%)}
.sw span:nth-child(3){clip-path:circle(21% at 50% 30%)}
.sw.is-on{
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.12),0 0 0 2.5px #fff,0 0 0 4px var(--txt);
}

/* segmented control */
.seg{
  display:grid;grid-template-columns:1fr 1fr;
  background:var(--sub);border-radius:10px;padding:3px;gap:3px;
}
.seg-3{grid-template-columns:1fr 1fr 1fr}
.seg button{
  min-height:40px;
  background:transparent;color:var(--dim);
  border:0;border-radius:8px;
  font-family:"Instrument Sans",sans-serif;
  font-size:13.5px;font-weight:500;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.seg button:hover{color:var(--txt)}
.seg button.is-on{
  background:#fff;color:var(--txt);font-weight:600;
  box-shadow:0 1px 2px rgba(0,0,0,.08);
}

.acts{display:grid;gap:10px;margin-top:28px}
.btn{
  min-height:48px;
  background:#fff;color:var(--txt);
  border:1px solid var(--line);border-radius:999px;
  font-family:"Instrument Sans",sans-serif;
  font-size:15px;font-weight:500;
  cursor:pointer;
  transition:border-color .18s ease,transform .12s ease;
}
.btn:hover{border-color:var(--txt)}
.btn:active{transform:scale(.985)}
.btn-key{background:var(--txt);color:#fff;border-color:var(--txt);font-weight:600}
.btn-key:hover{background:#000}
.note{
  margin:18px 0 0;
  font-size:12.5px;line-height:1.6;color:var(--dim);
}

/* ---------- stage ---------- */
.stage{display:flex;justify-content:center;padding:0}
.sheet{width:100%;max-width:620px;display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
.sheet.layout-quad{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}

/* ---------- print ---------- */
@media print{
  @page{size:letter;margin:0}
  body{background:#fff;color:#000}
  .no-print{display:none !important}
  .wrap{display:block;padding:0;max-width:none}
  .stage{display:block;padding:0;border:0;background:#fff}
  .sheet{max-width:none;width:100%;gap:0}
  .sheet.layout-poster .poster{
    width:100%;height:100vh;aspect-ratio:auto;
    box-shadow:none;page-break-after:always;
  }
  .sheet.layout-quad{
    display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;
    width:100%;height:100vh;
  }
  .sheet.layout-quad .poster{width:100%;height:100%;aspect-ratio:auto;box-shadow:none}
  .poster{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}