/* ============================================================
   PROVA TU — video controllato dallo scroll
   ============================================================ */
.pt{ --crema:#F4EDE1; --pt-dist:240vh; position:relative; background:var(--crema); color:var(--ink); height:calc(100svh + var(--pt-dist)); }
.pt__sticky{ position:sticky; top:0; height:100svh; display:grid; grid-template-columns:minmax(0,1fr) auto; align-items:center; gap:clamp(28px,5vw,96px);
  padding:clamp(84px,11vh,120px) var(--pad) clamp(28px,5vh,56px); box-sizing:border-box; }
.pt__txt{ display:flex; flex-direction:column; align-items:flex-start; gap:clamp(16px,2.4vh,28px); min-width:0; }
.pt__eyebrow{ margin:0; }
.pt__title{ font-family:var(--ff-display); font-weight:800; font-variation-settings:"wght" 820; letter-spacing:-.035em; line-height:.9;
  font-size:clamp(40px,6.2vw,108px); text-wrap:balance; margin:0; }
.pt__title em{ font-style:normal; color:var(--accent); }
.pt__how{ font-size:clamp(16px,1.3vw,20px); line-height:1; color:var(--ink-soft); margin:0; }
.pt__thumbs{ display:flex; gap:clamp(10px,1.2vw,16px); flex-wrap:wrap; }
.pt__th{ position:relative; display:grid; grid-template-rows:auto auto; gap:8px; width:clamp(92px,8.4vw,132px); padding:0; border:0; background:none; color:var(--ink);
  text-align:left; cursor:pointer; font:inherit; }
.pt__th-img{ position:relative; display:block; aspect-ratio:9/16; border-radius:8px; overflow:hidden; background:var(--ink); outline:2px solid transparent; outline-offset:3px; transition:outline-color .25s var(--ease), transform .4s var(--ease); }
.pt__th-img img{ width:100%; height:100%; object-fit:cover; display:block; }
.pt__th-empty{ position:absolute; inset:0; display:grid; place-items:center; padding:8px; text-align:center; color:#fff; font:500 11px/1 var(--ff-sans); border:1.5px dashed rgba(255,255,255,.4); border-radius:8px; }
.pt__th-lbl{ font:600 13px/1 var(--ff-sans); }
.pt__th-tag{ display:block; font:400 11px/1 var(--ff-mono); letter-spacing:.08em; text-transform:uppercase; color:var(--ink-soft); margin-top:3px; }
.pt__th-on{ position:absolute; top:7px; left:7px; display:none; align-items:center; gap:5px; padding:4px 8px; border-radius:30px; background:var(--accent); color:#fff; font:600 10px/1 var(--ff-sans); letter-spacing:.06em; text-transform:uppercase; }
.pt__th-on svg{ width:10px; height:10px; }
.pt__th[aria-pressed="true"] .pt__th-img{ outline-color:var(--accent); }
.pt__th[aria-pressed="true"] .pt__th-on{ display:inline-flex; }
.pt__th[aria-pressed="true"] .pt__th-lbl{ text-decoration:underline; text-decoration-thickness:2px; text-underline-offset:3px; }
.pt__th:hover .pt__th-img{ transform:translateY(-3px); }
.pt__th:focus-visible{ outline:none; }
.pt__th:focus-visible .pt__th-img{ outline:3px solid var(--ink); }
.pt__play{ display:inline-flex; align-items:center; gap:12px; border:0; border-radius:50px; padding:16px 26px; min-height:48px; background:var(--accent); color:#fff;
  font:500 15px/1 var(--ff-sans); cursor:pointer; transition:background .35s var(--ease); }
.pt__play:hover{ background:var(--ink); }
.pt__play svg{ width:16px; height:16px; }
.pt__play:focus-visible,.pt__dlg-x:focus-visible{ outline:3px solid var(--corallo); outline-offset:4px; }
.pt__stage{ display:grid; grid-template-columns:auto auto; align-items:stretch; gap:16px; height:100%; min-height:0; }
.pt__frame{ position:relative; height:100%; aspect-ratio:9/16; max-width:42vw; border-radius:10px; overflow:hidden; background:var(--ink); }
.pt__frame video,.pt__poster{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; }
.pt__poster{ transition:opacity .35s var(--ease); }
.pt__poster.is-off{ opacity:0; }
.pt__msg{ position:absolute; inset:auto 12px 12px; padding:10px 12px; border-radius:8px; background:rgba(22,18,11,.8); color:#fff; font:500 13px/1 var(--ff-sans); }
.pt__side{ display:flex; flex-direction:column; align-items:center; gap:12px; padding:6px 0; }
.pt__meter{ position:relative; flex:1; width:3px; border-radius:3px; background:rgba(22,17,9,.14); overflow:hidden; }
.pt__meter i{ position:absolute; inset:0; background:var(--accent); transform-origin:top; transform:scaleY(var(--p,0)); }
.pt__time{ writing-mode:vertical-rl; transform:rotate(180deg); font:500 12px/1 var(--ff-mono); letter-spacing:.08em; font-variant-numeric:tabular-nums; color:var(--ink); white-space:nowrap; }
/* player */
.pt__dlg{ position:fixed; inset:0; z-index:9000; display:grid; place-items:center; padding:clamp(14px,4vw,48px); background:rgba(22,18,11,.86); cursor:auto; }
.pt__dlg[hidden]{ display:none; }
.pt__dlg-box{ position:relative; height:min(calc(100dvh - 40px),900px); aspect-ratio:9/16; max-width:100%; }
.pt__dlg-box video{ width:100%; height:100%; object-fit:contain; background:#000; border-radius:8px; display:block; }
.pt__dlg-x{ position:absolute; top:-6px; right:-60px; width:48px; height:48px; border-radius:50%; border:0; background:var(--crema); color:var(--ink); cursor:pointer; display:grid; place-items:center; }
.pt__dlg-x svg{ width:18px; height:18px; }
/* statico: schermo basso o movimento ridotto */
.pt--static{ height:auto; }
.pt--static .pt__sticky{ position:relative; height:auto; padding-top:clamp(70px,11vh,130px); padding-bottom:clamp(70px,11vh,130px); }
.pt--static .pt__frame{ height:min(78vh,680px); }
.pt--static .pt__side{ display:none; }
.pt--static .pt__how-scroll{ display:none; }
@media (max-width:760px){
  .pt__sticky{ grid-template-columns:1fr; grid-template-rows:auto minmax(0,1fr); align-items:stretch; gap:14px; padding:72px 18px 18px; }
  .pt__txt{ gap:10px; }
  .pt__eyebrow{ font-size:10px; }
  .pt__title{ font-size:clamp(30px,9vw,42px); }
  .pt__how{ font-size:14px; line-height:1; }
  .pt__how br{ display:none; }
  .pt__row{ display:flex; align-items:center; gap:10px; width:100%; }
  .pt__thumbs{ flex-wrap:nowrap; gap:8px; }
  .pt__th{ width:auto; grid-template-columns:30px auto; grid-template-rows:auto; align-items:center; gap:7px; padding:4px 10px 4px 4px; border-radius:30px; border:1.5px solid rgba(22,17,9,.18); min-height:44px; }
  .pt__th[aria-pressed="true"]{ border-color:var(--accent); background:#fff; }
  .pt__th-img{ border-radius:5px; outline:0; }
  .pt__th-on,.pt__th-tag{ display:none !important; }
  .pt__th-lbl{ font-size:12px; white-space:nowrap; max-width:10ch; overflow:hidden; text-overflow:ellipsis; }
  .pt__play{ padding:0; width:44px; min-height:44px; justify-content:center; flex:none; margin-left:auto; }
  .pt__play span{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }
  .pt__stage{ justify-content:center; }
  .pt__frame{ max-width:none; }
  .pt__dlg-x{ top:8px; right:8px; }
  .pt--static .pt__frame{ height:min(70svh,560px); }
}
@media (min-width:761px){ .pt__row{ display:contents; } }
@media (max-width:420px){ .pt__th-lbl{ font-size:11px; } .pt__th{ padding-right:8px; } }