:root{--ink:#121212;--char:#1b1b1b;--card:#1c1b19;--line:rgba(244,239,230,.12);--cream:#f4efe6;--mute:#b9b0a2;--gold:#c9a24b;--gold-hi:#f0d896;
  --serif:'Bodoni Moda',Georgia,serif;--sans:'Manrope',system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--ink);color:var(--cream);font-family:var(--sans);-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.top{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:16px clamp(16px,3vw,36px);
  background:linear-gradient(rgba(14,14,14,.92),rgba(14,14,14,0))}
.brand{display:block;padding:10px 0;margin:-10px 0}
.brand img{height:26px;display:block}
#lang{min-width:44px}
.top nav{display:flex;gap:22px;align-items:center}
.lnk{padding:12px 6px;margin:-12px -6px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;opacity:.85}.lnk:hover{opacity:1;color:var(--gold-hi)}
.vista{display:none}.vista.on{display:grid}

/* ---------- inicio ---------- */
#inicio{min-height:100vh;min-height:100dvh;place-items:center;align-content:center;position:relative;overflow:hidden;padding:110px 16px 50px}
.ini-fondo{position:absolute;inset:0;background:url(../assets/tex/marmol-black-gold.jpg) center/cover;opacity:.28;filter:saturate(.8)}
.ini-fondo::after{content:"";position:absolute;inset:0;background:radial-gradient(80% 70% at 50% 40%,rgba(18,18,18,.35),#121212 85%)}
.ini-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(30px,5vw,80px);align-items:center;max-width:1240px;width:100%}
.ini-txt{position:relative;text-align:left}
.ini-txt .lead{margin-left:0}
.ini-txt .ini-btns,.ini-txt .pasos{justify-content:flex-start}
.ini-demo{position:relative;margin:0;aspect-ratio:4/5;border:1px solid rgba(201,162,75,.45);box-shadow:0 30px 80px rgba(0,0,0,.55);overflow:hidden;max-height:76vh;justify-self:center;width:100%}
.ini-demo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ini-demo .despues{animation:revela 7s cubic-bezier(.65,0,.35,1) infinite}
.ini-demo .barra{position:absolute;top:0;bottom:0;width:2px;background:var(--gold);box-shadow:0 0 16px rgba(201,162,75,.9);animation:barra 7s cubic-bezier(.65,0,.35,1) infinite}
.ini-demo figcaption{position:absolute;left:12px;right:12px;top:12px;display:flex;justify-content:space-between}
.ini-demo figcaption span{font-size:10px;letter-spacing:.24em;text-transform:uppercase;padding:6px 10px;background:rgba(18,18,18,.75);border:1px solid var(--line)}
.ini-demo figcaption span+span{color:var(--gold-hi);border-color:var(--gold)}
@keyframes revela{0%,8%{clip-path:inset(0 0 0 100%)}42%,58%{clip-path:inset(0 0 0 0)}92%,100%{clip-path:inset(0 0 0 100%)}}
@keyframes barra{0%,8%{left:100%}42%,58%{left:0}92%,100%{left:100%}}
.eyebrow{font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:16px}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(42px,6.4vw,84px);line-height:1.02}
em{font-style:italic;color:var(--gold);position:relative;display:inline-block;animation:glow 3.2s ease-in-out infinite}
em::after{content:attr(data-t);position:absolute;left:0;top:0;color:transparent;pointer-events:none;
  background:linear-gradient(100deg,transparent 42%,var(--gold-hi) 50%,transparent 58%) no-repeat;background-size:260% 100%;-webkit-background-clip:text;background-clip:text;animation:sweep 4.2s cubic-bezier(.5,0,.3,1) infinite}
@keyframes sweep{0%{background-position:130% 0}60%,100%{background-position:-30% 0}}
@keyframes glow{0%,100%{text-shadow:0 0 0 rgba(201,162,75,0)}50%{text-shadow:0 0 22px rgba(201,162,75,.55)}}
.lead{font-size:clamp(15px,1.4vw,18px);line-height:1.65;color:#e2dbcf;margin:22px auto 0;max-width:52ch}
.ini-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;padding:16px 24px;border:1px solid var(--gold);transition:all .25s;cursor:pointer;text-align:center}
.btn.gold{background:var(--gold);color:var(--ink)}.btn.gold:hover{background:var(--gold-hi);border-color:var(--gold-hi)}
.btn.ghost{background:rgba(18,18,18,.55);color:var(--cream)}.btn.ghost:hover{color:var(--gold-hi)}
.btn.full{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}
.ejemplo{padding:12px 6px;margin-top:6px;font-size:13px;color:var(--gold-hi);text-decoration:underline;text-underline-offset:4px}
.pasos{list-style:none;display:flex;justify-content:center;gap:clamp(14px,3vw,34px);margin-top:46px;flex-wrap:wrap}
.pasos li{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.06em;color:var(--mute)}
.pasos b{width:26px;height:26px;border-radius:50%;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold-hi);font-size:12px}

/* ---------- editor ---------- */
#editor{grid-template-columns:minmax(0,1fr) 380px;gap:24px;padding:84px clamp(16px,3vw,36px) 30px;max-width:1500px;margin:0 auto;align-items:start}
.lienzo{position:sticky;top:84px;min-width:0}
.marco{scroll-margin-top:70px;position:relative;width:100%;max-width:calc((100vh - 150px) * var(--ratio,1));margin:0 auto;background:#0b0b0b;border:1px solid var(--line);overflow:visible;touch-action:none;user-select:none;-webkit-user-select:none}
#cv{display:block;width:100%;height:auto}
#cv,#resultado{clip-path:inset(0)}
#resultado{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;display:none;pointer-events:none}
.marco.ver #resultado{display:block;clip-path:inset(0 0 0 var(--corte,50%))}
#ov{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.marco.ver #ov{display:none}
#ov polygon{fill:rgba(201,162,75,.12);stroke:var(--gold);stroke-width:2;vector-effect:non-scaling-stroke;cursor:move}
#ov polygon.inact{fill:transparent;stroke:rgba(244,239,230,.35);stroke-dasharray:6 6;cursor:pointer}
#ov circle{fill:var(--gold);stroke:#121212;stroke-width:2;vector-effect:non-scaling-stroke;cursor:grab;filter:drop-shadow(0 2px 6px rgba(0,0,0,.6))}
#ov circle.halo{fill:rgba(201,162,75,.18);stroke:none;filter:none;cursor:grab}
#ov .mid{cursor:copy}
#ov .mid circle{fill:rgba(18,18,18,.82);stroke:var(--gold);stroke-width:1.5;filter:none}
#ov .mid circle.hit{fill:transparent;stroke:none}
#ov .mid path{stroke:var(--gold-hi);stroke-width:1.6;vector-effect:non-scaling-stroke;pointer-events:none}
#corte{display:none;position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.marco.ver #corte{display:block}
.marco.ver::after{content:"";position:absolute;top:0;bottom:0;left:var(--corte,50%);width:2px;background:var(--gold);box-shadow:0 0 14px rgba(201,162,75,.8);pointer-events:none}
.etq{display:none;position:absolute;top:12px;font-size:10px;letter-spacing:.24em;text-transform:uppercase;padding:6px 10px;background:rgba(18,18,18,.75);border:1px solid var(--line)}
.marco.ver .etq{display:block}.etq.antes{left:12px}.etq.despues{right:12px;color:var(--gold-hi);border-color:var(--gold)}
.cargando{position:absolute;inset:0;display:none;place-content:center;justify-items:center;gap:12px;text-align:center;background:rgba(12,12,12,.62);backdrop-filter:blur(3px);padding:20px}
.cargando.on{display:grid}
.cargando i{width:46px;height:46px;border-radius:50%;border:2px solid rgba(201,162,75,.25);border-top-color:var(--gold);animation:gira 1s linear infinite}
.cargando p{font-family:var(--serif);font-size:22px}.cargando small{color:var(--mute);font-size:12px;letter-spacing:.06em}
@keyframes gira{to{transform:rotate(360deg)}}
.ayuda{font-size:13px;color:var(--mute);margin-top:10px}
.tira{display:flex;gap:10px;margin-top:12px;overflow-x:auto}
.tira button{flex:0 0 auto;width:92px;border:1px solid var(--line);padding:0;position:relative}
.tira button img{display:block;width:100%;height:64px;object-fit:cover}
.tira button span{display:block;font-size:10px;padding:5px 4px;color:var(--mute);text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tira button.on{border-color:var(--gold)}

.panel{display:flex;flex-direction:column;gap:14px;min-width:0}
.bloque{background:var(--card);border:1px solid var(--line);padding:18px}
.cab{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.cab h3{font-family:var(--serif);font-weight:400;font-size:22px}
.cab small{font-family:var(--sans);font-size:11px;color:var(--mute);letter-spacing:.04em}
.mini{display:flex;gap:6px}
.chipbtn{font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:0 12px;min-height:40px;border:1px solid var(--line);color:var(--gold-hi)}
.chipbtn:hover{border-color:var(--gold)}
.zonas{display:flex;flex-direction:column;gap:8px}
.zona{display:flex;align-items:center;gap:10px;padding:8px;border:1px solid var(--line);cursor:pointer;text-align:left;width:100%}
.zona.on{border-color:var(--gold);background:rgba(201,162,75,.07)}
.zona .sw{width:34px;height:34px;flex:0 0 auto;background:#333 center/cover;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.zona div{flex:1;min-width:0}.zona b{display:block;font-size:13px;font-weight:600}.zona span{display:block;font-size:11px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.zona .del{font-size:22px;color:var(--mute);width:40px;height:40px;flex:0 0 auto}.zona .del:hover{color:#e88}
.cats{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.cats button{font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:0 12px;min-height:40px;border:1px solid var(--line);color:var(--mute)}
.cats button.on{border-color:var(--gold);color:var(--gold-hi)}
.busca{width:100%;background:#121212 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23b9b0a2' stroke-width='1.6'%3E%3Ccircle cx='7' cy='7' r='5'/%3E%3Cpath d='m11 11 4 4'/%3E%3C/svg%3E") 12px center no-repeat;
  border:1px solid var(--line);color:var(--cream);font:inherit;font-size:16px;padding:11px 12px 11px 36px;outline:none;margin-bottom:12px}
.busca:focus{border-color:var(--gold)}
.cats button i{font-style:normal;color:var(--mute);font-size:10px;margin-left:2px}
.colores{display:flex;gap:6px;flex-wrap:wrap;margin:-2px 0 10px}
.col{width:34px;height:34px;display:grid;place-items:center;border:1px solid transparent;border-radius:50%}
.col i{width:20px;height:20px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.col.on{border-color:var(--gold)}
.cuantos{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin-bottom:10px}
.mat .sw img{display:block;width:100%;height:100%;object-fit:cover}
.mas{margin-top:14px}
.mats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.mat{display:flex;flex-direction:column;gap:6px;text-align:left;min-width:0}
.mat .sw{aspect-ratio:1;background:#2a2826;overflow:hidden;position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}
.mat.on .sw{outline:2px solid var(--gold);outline-offset:3px}
.mat b{font-size:11px;font-weight:500;line-height:1.25;color:#ddd5c8}
.mat small{font-size:11px;color:var(--gold-hi)}
.medidas{display:flex;align-items:flex-end;gap:10px}
.medidas label{flex:1;display:flex;flex-direction:column;gap:6px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);min-width:0}
input[type=number],textarea{width:100%;background:#121212;border:1px solid var(--line);color:var(--cream);font:inherit;font-size:16px;padding:11px 12px;outline:none}
input[type=number]:focus,textarea:focus{border-color:var(--gold)}
textarea{resize:vertical;font-size:15px;margin-bottom:12px}
.x,.ft{padding-bottom:12px;color:var(--mute)}
.nota{font-size:12px;line-height:1.55;color:var(--mute);margin-top:10px}
.cot .linea{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
.cot .linea div{min-width:0}.cot .linea b{display:block;font-weight:600}.cot .linea span{color:var(--mute);font-size:12px}
.cot .linea strong{white-space:nowrap;color:var(--gold-hi);font-weight:600}
.total{display:flex;justify-content:space-between;align-items:baseline;padding-top:14px}
.total span{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--mute)}
.total b{font-family:var(--serif);font-size:30px;font-weight:400;color:var(--gold-hi)}
.acc{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#1c1b19;border:1px solid var(--gold);padding:12px 18px;font-size:13px;z-index:40}

.modal{position:fixed;inset:0;z-index:50;display:none;place-items:center;background:rgba(8,8,8,.72);backdrop-filter:blur(4px);padding:16px}
.modal.on{display:grid}
.caja{position:relative;width:min(440px,100%);background:var(--card);border:1px solid var(--gold);padding:28px 24px 22px;display:flex;flex-direction:column;gap:14px;max-height:calc(100dvh - 32px);overflow:auto}
.caja h3{font-family:var(--serif);font-weight:400;font-size:26px;line-height:1.15;margin-bottom:4px}
.caja .eyebrow{margin-bottom:0}
.caja label{display:flex;flex-direction:column;gap:6px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
.caja input{width:100%;background:#121212;border:1px solid var(--line);color:var(--cream);font:inherit;font-size:16px;padding:12px;outline:none;letter-spacing:0;text-transform:none}
.caja input:focus{border-color:var(--gold)}
.cerrar{position:absolute;top:4px;right:4px;width:44px;height:44px;font-size:28px;color:var(--mute)}
.err{color:#f0a0a0;font-size:13px;min-height:1em}
@media (max-width:900px){
  .ini-grid{grid-template-columns:minmax(0,1fr);gap:34px}
  .ini-txt{text-align:center}
  .ini-txt .lead{margin-left:auto}
  .ini-txt .ini-btns,.ini-txt .pasos{justify-content:center}
  .ini-demo{max-width:420px;max-height:none}
  #editor{grid-template-columns:minmax(0,1fr);padding:72px 12px 24px;gap:14px}
  .lienzo{position:relative;top:0}
  .marco{max-width:calc(62vh * var(--ratio,1))}
  .brand img{height:22px}
  .top nav{gap:14px}
  .mats{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:420px){
  .mats{grid-template-columns:repeat(3,minmax(0,1fr))}
  .btn{padding:15px 16px}
  .ini-btns .btn{flex:1 1 100%}
}

@media (max-width:520px){.lnk-3d{display:none}}