/* ============ Progetti (prefix .pj-) ============
   The PDF portfolio as an editorial case-study page: situations used as filters,
   a discreet sticky index, eight case studies with large real screenshots. */

.page-progetti [hidden]{display:none!important}

/* ---------- Hero ---------- */
.pj-hero .page-hero__actions{display:grid;grid-template-columns:minmax(0,max-content);gap:12px}
.pj-hero .page-hero__title em,
.pj-close .cta-band h2 em{font-style:italic;background:var(--silver);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.04em}

/* ---------- Da dove partire: three situations used as filters ---------- */
.pj-sits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.pj-sit{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:18px;min-width:0;padding:clamp(26px,2.8vw,40px);text-align:left;background:var(--panel);color:var(--text-2);transition:background .3s}
.pj-sit::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--white);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.pj-sit:hover{background:#0f0f0f}
.pj-sit[aria-pressed="true"]{background:#141414}
.pj-sit[aria-pressed="true"]::before{transform:scaleX(1)}
.pj-sit:focus-visible{outline-offset:-6px;border-radius:calc(var(--r-lg) - 6px)}
.pj-sit__top{display:flex;align-items:center;justify-content:space-between;width:100%;margin-bottom:6px}
.pj-sit__num{font:400 clamp(34px,3vw,44px)/1 var(--f-serif);letter-spacing:-.01em;color:var(--text-3);font-feature-settings:"lnum","tnum";transition:color .3s}
.pj-sit:hover .pj-sit__num,.pj-sit[aria-pressed="true"] .pj-sit__num{color:var(--text-1)}
.pj-sit__mark{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;border:1px solid var(--line-3);color:#000;transition:background .3s,border-color .3s}
.pj-sit__mark .icon{width:14px;height:14px;stroke-width:2;opacity:0;transition:opacity .3s}
.pj-sit:hover .pj-sit__mark{border-color:var(--text-2)}
.pj-sit[aria-pressed="true"] .pj-sit__mark{background:#f2f2f2;border-color:#f2f2f2}
.pj-sit[aria-pressed="true"] .pj-sit__mark .icon{opacity:1}
.pj-sit__q{font:400 clamp(23px,2vw,28px)/1.2 var(--f-serif);letter-spacing:-.01em;color:var(--text-1);text-wrap:balance}
.pj-sit__t{font-size:15.5px;line-height:1.6;color:var(--text-3)}
.pj-sit__l{display:flex;flex-direction:column;gap:6px;margin-top:auto;padding-top:18px;width:100%;border-top:1px solid var(--line);font:500 13px/1.5 var(--f-sans);letter-spacing:.12em;text-transform:uppercase;color:var(--text-2)}
.pj-sit__r{color:var(--text-4);letter-spacing:.1em;white-space:nowrap}
.pj-sit[aria-pressed="true"] .pj-sit__l{color:var(--text-1)}
.pj-sit[aria-pressed="true"] .pj-sit__r{color:var(--text-2)}
@media (max-width:960px){ .pj-sits{grid-template-columns:1fr} .pj-sit__l{margin-top:4px} }

/* Without JavaScript the situations stay as plain content */
.no-js .pj-sit{pointer-events:none}
.no-js .pj-sit__mark,.no-js .pj-filterbar{display:none}

.pj-filterbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;min-height:52px;margin-top:20px}
.pj-filterbar .btn{min-height:44px}
.pj-status{font-size:15px;color:var(--text-3)}
.pj-status b{font-weight:500}

/* ---------- Sticky project index ---------- */
.pj-list{position:relative;margin-top:clamp(64px,8vw,112px)}
.pj-index{position:sticky;top:var(--header);z-index:40;border-block:1px solid var(--line);background:rgba(0,0,0,.84);-webkit-backdrop-filter:blur(16px) saturate(120%);backdrop-filter:blur(16px) saturate(120%)}
.pj-index.is-stuck{border-top-color:transparent}
.pj-index__scroller{overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter)}
.pj-index__scroller::-webkit-scrollbar{display:none}
/* When the index overflows, a soft edge shows there is more to scroll */
.pj-index__scroller{--fl:0px;--fr:0px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 var(--fl),#000 calc(100% - var(--fr)),transparent);mask-image:linear-gradient(90deg,transparent,#000 var(--fl),#000 calc(100% - var(--fr)),transparent)}
.pj-index__scroller.is-fade-l{--fl:48px}
.pj-index__scroller.is-fade-r{--fr:48px}
.pj-index__list{display:flex;align-items:stretch;gap:clamp(18px,1.9vw,28px);width:max-content;min-width:100%}
.pj-index__link{position:relative;display:inline-flex;align-items:center;gap:9px;min-height:54px;font-size:13.5px;font-weight:500;letter-spacing:.005em;color:var(--text-3);white-space:nowrap;transition:color .2s}
.pj-index__link::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--white);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.pj-index__link:hover{color:var(--text-1)}
.pj-index__link:focus-visible{outline-offset:-2px}
.pj-index__link[aria-current="true"]{color:var(--white)}
.pj-index__link[aria-current="true"]::after{transform:scaleX(1)}
.pj-index__n{font:400 14px/1 var(--f-serif);letter-spacing:.04em;color:var(--text-4);font-feature-settings:"lnum","tnum";transition:color .2s}
.pj-index__link:hover .pj-index__n,.pj-index__link[aria-current="true"] .pj-index__n{color:var(--text-1)}
.pj-index__link .icon{width:14px;height:14px}
.pj-index__reset{margin-left:auto}
@media (max-width:640px){ .pj-index__link{min-height:48px;font-size:14px} }

/* ---------- Case studies ---------- */
.pj-cases{display:grid;gap:clamp(104px,12vw,176px);padding-top:clamp(64px,8vw,112px)}
.pj-case{display:grid;grid-template-columns:minmax(0,1fr);align-items:start}

.pj-case__meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;padding-top:24px;border-top:1px solid var(--line-2)}
.pj-case__num{font:400 16px/1 var(--f-serif);letter-spacing:.04em;color:var(--text-1);font-feature-settings:"lnum","tnum";white-space:nowrap}
.pj-case__num span{color:var(--text-4)}
.pj-case__sector{display:flex;align-items:center;gap:14px;min-width:0;font:500 13px/1.5 var(--f-sans);letter-spacing:.16em;text-transform:uppercase;color:var(--text-3)}
.pj-case__sector::before{content:"";flex:none;width:32px;height:1px;background:var(--line-3)}
.pj-case__meta .badge{margin-left:auto}

.pj-case__head{margin-top:clamp(36px,4.4vw,64px)}
.pj-case__title{font:400 clamp(44px,5.4vw,84px)/1 var(--f-serif);letter-spacing:-.022em;color:var(--text-1);font-variation-settings:"opsz" 96;text-wrap:balance;scroll-margin-top:calc(var(--pj-off,150px) + 120px)}
.pj-case__title:focus{outline:none}
.pj-case__title:focus-visible{outline:2px solid rgba(255,255,255,.8);outline-offset:8px}
.pj-case__tagline{margin-top:20px;max-width:30ch;font-size:clamp(19px,1.7vw,23px);line-height:1.45;color:var(--text-2);text-wrap:balance}

/* Screenshot: very large, full colour, link to the live project */
.pj-case__media{margin-top:clamp(40px,5vw,64px)}
.pj-shot .shot__bar{height:38px;padding:0 16px}
.pj-shot .shot__url{font-size:13px}
.pj-shot__open{display:inline-flex;align-items:center;gap:7px;margin-left:auto;padding-left:16px;font-size:13px;font-weight:500;color:var(--text-3);white-space:nowrap;transition:color .25s}
.pj-shot__open .icon{width:13px;height:13px;transition:transform .3s var(--ease)}
.pj-shot:hover .pj-shot__open{color:var(--white)}
.pj-shot:hover .pj-shot__open .icon{transform:translate(2px,-2px)}
.pj-shot{transition:border-color .3s}
.pj-shot:hover{border-color:var(--line-2)}
.pj-shot:focus-visible{outline-offset:4px;border-radius:var(--r-md)}
.pj-cap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 32px;margin-top:16px;font-size:13.5px;line-height:1.55;color:var(--text-4)}
.pj-cap__note{color:var(--text-3);max-width:62ch}

/* Situation, solution, practice */
.pj-case__body{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,4.4vw,72px);margin-top:clamp(48px,5.4vw,80px);align-items:start}
.pj-compare .compare__col{padding:clamp(24px,2.4vw,32px)}
.pj-compare .label{margin-bottom:14px}
.pj-compare .compare__col--with .label{color:var(--text-2)}
.pj-compare p{font-size:16px;line-height:1.65}
/* Panels side by side: both labels share one row, so the two texts start on the same line even when a label wraps */
@media (min-width:641px){
  .pj-compare{grid-template-rows:auto 1fr}
  .pj-compare .compare__col{display:grid;grid-row:span 2;grid-template-rows:subgrid;row-gap:0;align-content:start}
}
.pj-practice__what{font-size:clamp(17px,1.4vw,19px);line-height:1.55;color:var(--text-2);text-wrap:pretty}
.pj-practice__list{margin-top:24px}
.pj-practice__list li{font-size:15.5px;line-height:1.6;color:var(--text-3)}
.pj-practice__list b{font-weight:500;color:var(--text-1)}

/* Closing line: the question and the link to the project */
.pj-case__foot{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 64px;align-items:center;margin-top:clamp(48px,5vw,72px);padding-top:clamp(28px,3vw,40px);border-top:1px solid var(--line)}
.pj-case__q{max-width:44ch;font:400 clamp(21px,1.9vw,26px)/1.4 var(--f-serif);letter-spacing:-.005em;color:var(--text-2);text-wrap:pretty}
.pj-case__q b{font-weight:400;font-style:italic;color:var(--text-1)}
.pj-case__go{display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.pj-case__hint{font-size:13px;color:var(--text-4);text-align:right}

/* Wide layout: headline row, full-width screenshot */
@media (min-width:1000px){
  .pj-case--wide .pj-case__head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:24px 72px;align-items:end}
  .pj-case--wide .pj-case__tagline{margin-top:0;padding-bottom:8px}
  .pj-case--wide .pj-cap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:6px clamp(32px,4.4vw,72px)}

  /* Split layout: text column beside a screenshot that stays in view while the text scrolls */
  .pj-case--split .pj-case__main{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);column-gap:clamp(48px,5.4vw,88px);align-items:start}
  .pj-case--split .pj-case__head{grid-column:1;grid-row:1}
  .pj-case--split .pj-case__title{font-size:clamp(44px,4.4vw,68px)}
  .pj-case--split .pj-case__body{grid-column:1;grid-row:2;grid-template-columns:minmax(0,1fr);gap:48px;margin-top:48px}
  .pj-case--split .pj-compare{grid-template-columns:minmax(0,1fr);grid-template-rows:none}
  .pj-case--split .pj-compare .compare__col{display:block;grid-row:auto}
  .pj-case--split .pj-case__media{grid-column:2;grid-row:1 / span 2;position:sticky;top:calc(var(--pj-off,150px) + 8px);margin-top:clamp(36px,4.4vw,64px)}
  .pj-case--rev .pj-case__main{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
  .pj-case--rev .pj-case__head,.pj-case--rev .pj-case__body{grid-column:2}
  .pj-case--rev .pj-case__media{grid-column:1}
}

@media (max-width:999px){
  .pj-case__body{grid-template-columns:minmax(0,1fr);gap:48px}
}
@media (max-width:640px){
  /* Stacked buttons use the full width, like the project buttons below */
  .pj-hero .page-hero__actions{align-self:stretch;grid-template-columns:minmax(0,1fr)}
  .pj-case__meta{gap:12px 16px}
  .pj-case__sector{order:3;width:100%}
  .pj-case__sector::before{display:none}
  .pj-shot .shot__bar{height:32px;padding:0 12px}
  .pj-shot__open{display:none}
  .pj-cap{font-size:13px}
  .pj-case__foot{grid-template-columns:minmax(0,1fr)}
  .pj-case__go{align-items:stretch}
  .pj-case__go .btn{width:100%}
  .pj-case__hint{text-align:left}
}

/* ---------- Closing ---------- */
.pj-close .cta-band{align-items:center}
.pj-close .cta-band__actions{flex-direction:column;align-items:stretch}
@media (max-width:860px){ .pj-close .cta-band__actions{flex-direction:row;align-items:center} }
@media (max-width:560px){ .pj-close .cta-band__actions{flex-direction:column;align-items:stretch} }
.pj-close .cta-band .pj-sign{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 16px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);max-width:560px;font-size:14px}
.pj-sign__name{font:italic 400 22px/1.2 var(--f-serif);color:var(--text-1)}
.pj-sign__role{font-size:13.5px;color:var(--text-4)}