/* ============================================================
   SCENE DEI VOLUMI — apertura dedicata di ogni scheda
============================================================ */
.scena{position:relative;overflow:hidden;background:var(--notte);color:var(--carta);padding:112px 0 64px}
.scena .griglia-tecnica{opacity:.9}
.scena-in{position:relative;z-index:1}
.scena-testa{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:30px}
.scena-testa .label{display:block;color:var(--tratto);margin-bottom:12px}
.scena-tit{font-family:'Inter Tight',sans-serif;font-weight:500;font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.04em;line-height:1.02;color:#fff;max-width:18ch;text-wrap:balance}
.scena-tit em{font-style:normal;font-weight:300;color:var(--tratto)}
.scena-fonte{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(243,241,234,.5);max-width:34ch;text-align:right}
.scena-giu{display:inline-flex;margin-top:26px;font-size:.8rem;color:rgba(243,241,234,.65);text-decoration:none;border-bottom:1px solid rgba(243,241,234,.25);padding-bottom:2px}
.scena-giu:hover{color:#fff;border-color:#fff}
@media(max-width:600px){.scena{padding:96px 0 44px}.scena-fonte{text-align:left}}

/* ---------- 1 · AutoCAD: spazio modello ---------- */
.cad{position:relative;border:1px solid rgba(255,255,255,.12);border-radius:3px;background:#0B141A;overflow:hidden;
  font-family:ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace}
.cad-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 14px;background:#16222B;border-bottom:1px solid rgba(255,255,255,.08);font-size:.72rem;color:rgba(243,241,234,.7)}
.cad-tabs{display:flex;gap:4px}
.cad-tabs b{font-weight:500;padding:3px 10px;border-radius:2px;color:rgba(243,241,234,.5);transition:background .3s,color .3s}
.cad-tabs b.on{background:rgba(175,195,223,.18);color:#fff}
.cad-corpo{display:grid;grid-template-columns:1fr 170px;min-height:0}
.cad-svg{display:block;width:100%;height:auto;max-height:62vh;background:
  linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/20px 20px,linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/20px 20px;
  transition:background-color .8s}
.cad-livelli{border-left:1px solid rgba(255,255,255,.08);padding:14px;font-size:.7rem;color:rgba(243,241,234,.45)}
.cad-lab{display:block;letter-spacing:.14em;text-transform:uppercase;font-size:.62rem;margin-bottom:8px;color:rgba(243,241,234,.4)}
.cad-livelli ul{list-style:none;display:grid;gap:6px}
.cad-livelli li{display:flex;align-items:center;gap:8px;opacity:.35;transition:opacity .4s}
.cad-livelli li.on{opacity:1;color:rgba(243,241,234,.85)}
.cad-livelli i{width:9px;height:9px;border-radius:1px;background:var(--c)}
.cad-xy{font-variant-numeric:tabular-nums;color:#8FD19E}
.cad-cmd{border-top:1px solid rgba(255,255,255,.08);background:#0E1A21;padding:8px 14px 10px;font-size:.76rem;min-height:86px}
.cad-cmd .storia div{color:rgba(243,241,234,.45);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cad-cmd .cad-riga{color:#fff;margin-top:2px}
.cad-cmd .pr{color:var(--tratto)}
.cad-cmd .caret{display:inline-block;width:7px;height:13px;background:#fff;vertical-align:-2px;margin-left:2px;animation:lampeggia 1s steps(1) infinite}
@keyframes lampeggia{50%{opacity:0}}
.cad-rifai{position:absolute;right:12px;bottom:12px;font:inherit;font-size:.72rem;padding:6px 12px;border-radius:2px;border:1px solid rgba(255,255,255,.2);background:transparent;color:rgba(243,241,234,.8);cursor:pointer}
.cad-rifai:hover{background:var(--carta);color:var(--notte)}
/* il disegno: ogni passo compare quando il comando è dato */
.cad-svg .st{opacity:0;transition:opacity .4s}
.cad-svg .st.on{opacity:1}
.cad-svg [pathLength]{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.1s cubic-bezier(.65,0,.35,1)}
.cad-svg .on [pathLength],.cad-svg [pathLength].on{stroke-dashoffset:0}
.cad-svg .muro{fill:none;stroke:#F3F1EA;stroke-width:2.4;vector-effect:non-scaling-stroke}
.cad-svg .asse{stroke:#E07A7A;stroke-width:1.2;stroke-dasharray:14 6 3 6;vector-effect:non-scaling-stroke}
.cad-svg .s3.on.via{opacity:0}
.cad-svg .infissi line,.cad-svg .infissi path{fill:none;stroke:#7FD6E8;stroke-width:1.4;vector-effect:non-scaling-stroke}
.cad-svg .vano{fill:#0B141A;stroke:none}
.cad-svg .specchio{transform-box:view-box;transform-origin:260px 15px;transform:scaleX(-1);transition:transform .9s cubic-bezier(.22,.61,.36,1),opacity .4s}
.cad-svg .specchio.on{transform:scaleX(1)}
.cad-svg .quote line,.cad-svg .quote path{stroke:#8FD19E;stroke-width:1;fill:none;vector-effect:non-scaling-stroke}
.cad-svg .quote text{fill:#8FD19E;font:500 17px ui-monospace,Menlo,monospace}
.cad-svg .quote text.pic{font-size:12px;opacity:.85}
.cad-svg .h-l{stroke:#9AA3B2;stroke-width:1.2}
.cad-svg .retino{stroke:none}
.cad-svg .mirino-cad{transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.cad-svg .mirino-cad line{stroke:rgba(175,195,223,.35);stroke-width:1;vector-effect:non-scaling-stroke}
.cad-svg .mirino-cad rect{fill:none;stroke:var(--tratto);stroke-width:1.2;vector-effect:non-scaling-stroke}
/* il foglio del layout */
.cad-svg .foglio{opacity:0;transition:opacity .8s}
.cad-svg .f-carta{fill:#16222B}
.cad-svg .f-bordo,.cad-svg .cartiglio-cad rect,.cad-svg .cartiglio-cad line{fill:none;stroke:rgba(243,241,234,.55);stroke-width:1;vector-effect:non-scaling-stroke}
.cad-svg .cartiglio-cad text{fill:rgba(243,241,234,.8);font:500 11px ui-monospace,Menlo,monospace;letter-spacing:.04em}
.cad-svg .disegno{transform-box:view-box;transform-origin:0 0;transition:transform 1.2s cubic-bezier(.65,0,.35,1)}
.cad.layout .foglio{opacity:1}
.cad.layout .disegno{transform:translate(-4px,-14px) scale(.66)}
.cad.layout .mirino-cad{opacity:0}
/* la stampa: il foglio diventa carta */
.cad.stampa .cad-svg{background:#F3F1EA}
.cad.stampa .f-carta{fill:#FBFAF6}
.cad.stampa .muro,.cad.stampa .f-bordo,.cad.stampa .cartiglio-cad rect,.cad.stampa .cartiglio-cad line{stroke:#111214}
.cad.stampa .cartiglio-cad text{fill:#111214}
.cad.stampa .infissi line,.cad.stampa .infissi path{stroke:#111214}
.cad.stampa .vano{fill:#FBFAF6}
.cad.stampa .quote line,.cad.stampa .quote path{stroke:#3A3B40}
.cad.stampa .quote text{fill:#3A3B40}
.cad.stampa .h-l{stroke:#6E7076}
.cad.stampa .asse{opacity:0}
@media(max-width:760px){.cad-corpo{grid-template-columns:1fr}.cad-livelli{display:none}.cad-cmd{font-size:.68rem;min-height:74px}.cad-rifai{position:static;display:block;margin:0 14px 12px auto}}

/* ---------- 2 · IA: prompt e verifica ---------- */
.pr-griglia{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:18px}
@media(max-width:900px){.pr-griglia{grid-template-columns:1fr}}
.pr-console,.pr-verifica{border:1px solid rgba(255,255,255,.12);border-radius:3px;background:#0B141A;padding:20px 22px}
.pr-testa{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.pr-chip{display:inline-block;font-size:.66rem;font-weight:600;letter-spacing:.16em;padding:4px 9px;border-radius:2px;background:var(--carta);color:var(--notte)}
.pr-chip.arancio{background:var(--arancio);color:#fff}
.pr-dati{font-size:.74rem;color:rgba(243,241,234,.6);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.pr-dati label{display:inline-flex;align-items:center;gap:6px;color:rgba(243,241,234,.8)}
.pr-dati input{width:64px;font:inherit;font-size:.8rem;padding:4px 6px;border-radius:2px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;font-variant-numeric:tabular-nums}
.pr-dati input:focus{outline:1px solid var(--tratto)}
.pr-testo{white-space:pre-wrap;font-family:ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;font-size:.84rem;line-height:1.7;color:rgba(243,241,234,.88);min-height:15em}
.pr-testo mark{background:rgba(184,90,32,.22);color:#F2B38A;padding:0 2px;border-radius:2px}
.pr-testo:not(.finito)::after{content:"";display:inline-block;width:7px;height:14px;background:#fff;vertical-align:-2px;margin-left:2px;animation:lampeggia 1s steps(1) infinite}
.pr-sotto{font-style:italic;color:rgba(243,241,234,.7);margin:14px 0 10px}
.pr-lista{list-style:none;counter-reset:v;display:grid;gap:10px}
.pr-lista li{counter-increment:v;position:relative;padding-left:32px;font-size:.9rem;line-height:1.5;color:rgba(243,241,234,.8);opacity:.25;transform:translateX(-6px);transition:opacity .5s,transform .5s}
.pr-lista li::before{content:"";position:absolute;left:0;top:2px;width:20px;height:20px;border:1px solid rgba(255,255,255,.3);border-radius:2px}
.pr-lista li.on{opacity:1;transform:none}
.pr-lista li.on::before{background:var(--tratto);border-color:var(--tratto)}
.pr-lista li.on::after{content:"";position:absolute;left:6px;top:6px;width:8px;height:5px;border-left:2px solid var(--notte);border-bottom:2px solid var(--notte);transform:rotate(-45deg)}
.pr-lista li.avviso.on::before{background:var(--arancio);border-color:var(--arancio)}
.pr-lista li.avviso.on::after{content:"!";border:0;transform:none;left:7px;top:1px;width:auto;height:auto;color:#fff;font-weight:700;font-size:.8rem}
.pr-lista b{color:#fff;font-weight:500}
.pr-conti{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);opacity:0;transition:opacity .6s}
.pr-conti.on{opacity:1}
.pr-trave{width:100%;max-width:320px;height:auto;display:block;margin-bottom:8px}
.pr-trave path,.pr-trave line,.pr-trave circle{fill:none;stroke:rgba(243,241,234,.55);stroke-width:1.2}
.pr-trave .tr-forte{stroke:#F3F1EA;stroke-width:3}
.pr-trave .tr-mom{stroke:var(--tratto);stroke-width:2;fill:rgba(175,195,223,.1)}
.pr-trave .tr-fine{stroke:rgba(243,241,234,.3)}
.pr-numeri{display:flex;gap:18px;flex-wrap:wrap;font-size:.9rem;color:rgba(243,241,234,.8);font-variant-numeric:tabular-nums}
.pr-numeri b{color:#fff;font-weight:600}
.pr-nota{font-size:.8rem;color:rgba(243,241,234,.55);margin-top:10px;max-width:46ch}

/* ---------- 3 · Grasshopper: la torre ---------- */
.gh{display:grid;grid-template-columns:340px minmax(0,1fr);gap:18px;align-items:stretch}
@media(max-width:900px){.gh{grid-template-columns:1fr}.gh-vista{order:-1}}
.gh-comandi{border:1px solid rgba(255,255,255,.12);border-radius:3px;background:#0B141A;padding:18px}
.gh-lab{display:block;font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(243,241,234,.45);margin-bottom:10px}
/* i cursori, come i Number Slider di Grasshopper */
.gh-slider{display:grid;grid-template-columns:92px 1fr 58px;align-items:center;gap:10px;padding:8px 10px;margin-bottom:6px;border-radius:12px;background:#D7D9DC;color:#1B1D21;font-size:.78rem;font-weight:500}
.gh-slider input{width:100%;accent-color:#1B1D21;height:18px}
.gh-slider output{font-variant-numeric:tabular-nums;text-align:right;font-size:.76rem}
.gh-curva{margin-top:14px}
.gh-curva button,.gh-varianti button{font:inherit;font-size:.74rem;padding:6px 10px;border-radius:2px;border:1px solid rgba(255,255,255,.2);background:transparent;color:rgba(243,241,234,.8);cursor:pointer;margin:0 6px 6px 0;transition:background .2s,color .2s,border-color .2s}
.gh-curva button.on,.gh-varianti button.on{background:var(--carta);border-color:var(--carta);color:var(--notte)}
.gh-curva button:hover:not(.on),.gh-varianti button:hover:not(.on){border-color:var(--tratto);color:#fff}
.gh-catena{display:flex;align-items:center;flex-wrap:wrap;gap:0;margin:14px 0 16px}
.gh-catena b{font-weight:500;font-size:.66rem;padding:4px 8px;border-radius:8px;background:#3A3F46;color:#E8EAED;white-space:nowrap}
.gh-catena i{width:16px;height:2px;background:rgba(175,195,223,.35);position:relative;overflow:hidden}
.gh-catena.flusso i::after{content:"";position:absolute;inset:0;background:var(--tratto);animation:filo .6s ease-out}
@keyframes filo{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
.gh-quantita{border-top:1px solid rgba(255,255,255,.1)}
.gh-quantita div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:.8rem}
.gh-quantita dt{color:rgba(243,241,234,.55)}
.gh-quantita dd{color:#fff;font-weight:500;font-variant-numeric:tabular-nums;text-align:right}
.gh-vista{position:relative;border:1px solid rgba(255,255,255,.12);border-radius:3px;background:radial-gradient(ellipse at 50% 80%,#18262F,#0B141A 70%);min-height:520px;display:flex;flex-direction:column}
.gh-canvas{flex:1;width:100%;min-height:420px;cursor:grab;touch-action:pan-y}
.gh-canvas:active{cursor:grabbing}
.gh-suggerimento{position:absolute;top:12px;left:14px;font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(243,241,234,.4)}
.gh-varianti{padding:10px 12px 6px;border-top:1px solid rgba(255,255,255,.08)}
@media(max-width:900px){.gh-vista{min-height:420px}.gh-canvas{min-height:330px}}

/* ---------- 4 · Il cantiere ---------- */
.ct{display:grid;gap:22px}
.ct-gru{width:100%;max-width:640px;height:auto;display:block;margin:-6px auto 0}
.ct-gru path,.ct-gru line,.ct-gru rect{fill:none;stroke:rgba(243,241,234,.7);stroke-width:1.5}
.ct-gru .ct-struttura path{stroke:var(--tratto);stroke-width:1.6}
.ct-gru .ct-zavorra{fill:rgba(175,195,223,.25);stroke:var(--tratto)}
.ct-gru .ct-suolo{stroke:rgba(243,241,234,.35)}
.ct-gru .ct-carrello rect{fill:#0B141A;stroke:var(--tratto)}
.ct-gru .ct-fune{stroke:rgba(243,241,234,.6);stroke-width:1}
.ct-gru .ct-carico rect{fill:rgba(243,241,234,.18);stroke:#F3F1EA}
.ct-gru .ct-carico path{stroke:#F3F1EA}
.ct-gru .ct-piano{fill:rgba(175,195,223,.08);stroke:rgba(243,241,234,.35);stroke-width:1}
.ct-gru .ct-sol{stroke:#F3F1EA;stroke-width:2.4}
.ct-regime{display:inline-flex;justify-self:center;border:1px solid rgba(255,255,255,.2);border-radius:2px;overflow:hidden}
.ct-regime button{font:inherit;font-size:.82rem;font-weight:500;padding:10px 18px;border:0;background:transparent;color:rgba(243,241,234,.7);cursor:pointer;transition:background .25s,color .25s}
.ct-regime button.on{background:var(--carta);color:var(--notte)}
.ct-fasi{list-style:none;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.14)}
.ct-fasi li{padding:14px 12px 16px 0;border-right:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:6px}
.ct-fasi li:last-child{border-right:0}
.ct-fasi li+li{padding-left:12px}
.ct-n{font-size:.64rem;letter-spacing:.14em;color:rgba(243,241,234,.4);font-variant-numeric:tabular-nums}
.ct-fasi b{font-family:'Inter Tight',sans-serif;font-weight:500;font-size:1rem;color:#fff}
.ct-atto{font-size:.84rem;line-height:1.4;color:var(--tratto)}
.ct-atto.cambia{animation:giraAtto .5s cubic-bezier(.22,.61,.36,1) both;animation-delay:calc(var(--i) * .04s)}
@keyframes giraAtto{0%{opacity:1;transform:none}40%{opacity:0;transform:translateY(-6px)}41%{transform:translateY(6px)}100%{opacity:1;transform:none}}
.ct.pubblico .ct-atto{color:#F2B38A}
.ct-motto{font-size:.84rem;color:rgba(243,241,234,.55);max-width:70ch}
.ct-figure{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:18px;align-items:start;border-top:1px solid rgba(255,255,255,.14);padding-top:22px}
.ct-elenco{display:flex;flex-wrap:wrap;gap:8px}
.ct-elenco button{font:inherit;font-size:.82rem;padding:8px 12px;border-radius:2px;border:1px solid rgba(255,255,255,.2);background:transparent;color:rgba(243,241,234,.85);cursor:pointer;transition:background .2s,color .2s,border-color .2s,opacity .3s}
.ct-elenco button:hover{border-color:var(--tratto)}
.ct-elenco button.on{background:var(--carta);border-color:var(--carta);color:var(--notte)}
.ct:not(.pubblico) .ct-elenco button[data-solo="pubblico"]{opacity:.45;border-style:dashed}
.ct-scheda{border:1px solid rgba(255,255,255,.12);border-radius:3px;background:#0B141A;padding:18px 20px;min-height:168px}
.ct-lab{font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(243,241,234,.45)}
.ct-scheda h3{font-family:'Inter Tight',sans-serif;font-weight:500;font-size:1.3rem;letter-spacing:-.02em;color:#fff;margin:4px 0 10px}
.ct-scheda dl div{padding:8px 0;border-top:1px solid rgba(255,255,255,.08)}
.ct-scheda dt{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--tratto);margin-bottom:3px}
.ct-scheda dd{font-size:.92rem;color:rgba(243,241,234,.88)}
.ct-solo{font-size:.8rem;color:#F2B38A;margin-bottom:6px}
@media(max-width:900px){
  .ct-fasi{grid-template-columns:1fr}
  .ct-fasi li,.ct-fasi li+li{flex-direction:row;align-items:baseline;gap:12px;padding:10px 0;border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .ct-fasi b{min-width:96px;font-size:.92rem}
  .ct-figure{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.cad-svg [pathLength]{transition:none}.ct-atto.cambia{animation:none}}