/* ============================================================
   PLESSI — internal pages (Progetti, Chi siamo)
   Loaded after style.css
   ============================================================ */

/* ---------- subpage hero ---------- */
.subhero {
  position: relative; overflow: hidden;
  padding: clamp(140px, 22vh, 230px) 0 clamp(50px, 9vh, 100px);
  border-bottom: 1px solid var(--line);
}
.subhero::before {
  content: ''; position: absolute; inset: 0; z-index: 0; opacity: .5;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 100% 56px, 56px 100%;
  -webkit-mask-image: radial-gradient(120% 90% at 20% 0%, #000, transparent 72%);
          mask-image: radial-gradient(120% 90% at 20% 0%, #000, transparent 72%);
}
.subhero .wrap { position: relative; z-index: 1; }
.subhero h1 {
  font-weight: 600; letter-spacing: -0.035em; line-height: 1.0;
  font-size: clamp(40px, 7vw, 110px); margin-top: 22px; text-wrap: balance;
}
.subhero h1 .y { color: var(--acc); }
.subhero .lead { margin-top: 28px; }
.subhero-meta { display: flex; gap: 30px; flex-wrap: wrap; margin-top: 42px; }
.subhero-meta .item { border-left: 1px solid var(--line); padding-left: 16px; }
.subhero-meta .n { font-weight: 700; font-size: clamp(26px,3vw,40px); letter-spacing: -0.03em; line-height: 1; }
.subhero-meta .n .suf { color: var(--acc); }
.subhero-meta .t { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 8px; text-transform: uppercase; letter-spacing: .04em; }

/* breadcrumb */
.crumb { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); display: flex; gap: 10px; align-items: center; }
.crumb a { color: var(--muted); transition: color .25s; }
.crumb a:hover { color: var(--acc); }
.crumb .sep { color: var(--faint); }

/* ============================================================
   PROJECTS GRID
   ============================================================ */
.proj-page { padding: clamp(46px, 7vh, 84px) 0 clamp(70px, 11vh, 130px); }

.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: clamp(34px, 5vh, 56px);
  position: sticky; top: 74px; z-index: 40; padding: 14px 0;
  background: linear-gradient(180deg, var(--bg) 70%, transparent); }
.filter {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .03em; text-transform: lowercase;
  color: var(--muted); border: 1px solid var(--line); border-radius: 100px; padding: 9px 17px;
  cursor: pointer; background: transparent; transition: color .25s, border-color .25s, background .25s;
}
.filter:hover { color: var(--text); border-color: var(--muted); }
.filter.active { color: var(--acc-ink); background: var(--acc); border-color: var(--acc); font-weight: 700; }
.filter .c { opacity: .5; margin-left: 6px; }
.filter.active .c { opacity: .65; }

.grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 1.6vw, 26px);
}
@media (max-width: 1040px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }

.pcard {
  position: relative; overflow: hidden; background: var(--bg-2); border: 1px solid var(--line-soft);
  aspect-ratio: 4 / 3.1; display: block;
  opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.pcard.in { opacity: 1; transform: none; }
.pcard.hide { display: none; }
.pcard img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(.18) brightness(.74) contrast(1.05);
  transition: transform 1s var(--ease), filter .6s;
}
.pcard:hover img { transform: scale(1.07); filter: grayscale(0) brightness(.92); }
.pcard .pgrad { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12,12,13,0) 38%, rgba(12,12,13,.92) 100%); }
.pcard .pbody { position: absolute; left: 0; right: 0; bottom: 0; padding: 24px; z-index: 2; }
.pcard .pcat { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--acc); }
.pcard .ptitle { font-weight: 700; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.12; margin-top: 9px; letter-spacing: -0.015em; text-wrap: pretty; }
.pcard .parr {
  position: absolute; top: 18px; right: 18px; z-index: 2;
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(244,241,232,.25);
  display: flex; align-items: center; justify-content: center; background: rgba(12,12,13,.35); backdrop-filter: blur(6px);
  opacity: 0; transform: translateY(-6px) scale(.9); transition: all .4s var(--ease);
}
.pcard:hover .parr { opacity: 1; transform: none; background: var(--acc); border-color: var(--acc); }
.pcard:hover .parr svg { stroke: var(--acc-ink); }
.pcard .parr svg { stroke: var(--text); transition: stroke .3s; }

.proj-count { font-family: var(--mono); font-size: 12.5px; color: var(--faint); margin-bottom: 18px; }
.proj-count b { color: var(--acc); }

/* ============================================================
   ABOUT — story + timeline
   ============================================================ */
.story { padding: clamp(70px, 11vh, 150px) 0; }
.story-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.story-copy h2 { margin-bottom: 30px; }
.story-copy p { color: var(--muted); font-size: clamp(15px,1.35vw,18px); line-height: 1.72; margin-top: 18px; max-width: 52ch; }
.story-copy p strong { color: var(--text); font-weight: 600; }
.story-media { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.story-media .im { position: relative; overflow: hidden; background: var(--bg-3); }
.story-media .im img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.2) brightness(.82) contrast(1.04); }
.story-media .im.tall { aspect-ratio: 3/4; grid-row: span 2; }
.story-media .im.wide { aspect-ratio: 4/3; }

/* timeline */
.timeline { padding: clamp(70px, 11vh, 140px) 0; border-top: 1px solid var(--line); }
.tl { margin-top: clamp(40px,6vh,70px); border-top: 1px solid var(--line); }
.tl-row {
  display: grid; grid-template-columns: 160px 1fr; gap: clamp(24px,4vw,70px);
  padding: clamp(28px,4vw,46px) 0; border-bottom: 1px solid var(--line); align-items: start;
  transition: background .4s var(--ease);
}
.tl-row:hover { background: linear-gradient(90deg, rgba(253,211,0,.05), transparent 60%); }
.tl-era { font-family: var(--mono); font-size: 13px; color: var(--acc); letter-spacing: .04em; padding-top: 6px; }
.tl-c h3 { font-weight: 700; font-size: clamp(22px, 2.6vw, 36px); letter-spacing: -0.02em; line-height: 1.05; }
.tl-c p { color: var(--muted); font-size: 15.5px; line-height: 1.6; margin-top: 14px; max-width: 60ch; }
@media (max-width: 680px) { .tl-row { grid-template-columns: 1fr; gap: 10px; } }

/* values */
.values { padding: clamp(70px, 11vh, 140px) 0; border-top: 1px solid var(--line); }
.val-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: clamp(40px,6vh,64px); }
.val { border: 1px solid var(--line); padding: 30px 28px 40px; transition: background .4s, border-color .4s; }
.val:hover { background: var(--bg-2); border-color: var(--acc); }
.val .vn { font-family: var(--mono); font-size: 12px; color: var(--acc); }
.val h4 { font-weight: 700; font-size: 21px; margin: 16px 0 10px; letter-spacing: -0.01em; }
.val p { color: var(--muted); font-size: 14.5px; line-height: 1.6; }
@media (max-width: 820px) { .story-grid, .val-grid { grid-template-columns: 1fr; } }

.story-media.single { grid-template-columns: 1fr; }
.story-media.single .im { aspect-ratio: 5/4; grid-row: auto; }

/* prominent historical archive gallery */
.archive {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 30px);
  margin-top: clamp(40px, 6vh, 76px);
}
.arch-item { display: block; }
.arch-item .frame {
  position: relative; aspect-ratio: 4 / 5; overflow: hidden;
  background: var(--bg-3); border: 1px solid var(--line);
}
.arch-item .frame img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.4) sepia(0.12) contrast(1.06) brightness(0.96);
  transition: transform 1.1s var(--ease), filter .6s;
}
.arch-item:hover .frame img { transform: scale(1.05); filter: grayscale(0.1) sepia(0.04) contrast(1.05) brightness(1); }
.arch-item .frame::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 90px rgba(12,12,13,.5);
}
.arch-item .tagy {
  position: absolute; top: 0; left: 0; z-index: 2;
  background: var(--acc); color: var(--acc-ink); font-family: var(--mono); font-weight: 700;
  font-size: 11.5px; letter-spacing: .04em; padding: 8px 13px; text-transform: uppercase; white-space: nowrap;
}
.arch-cap { margin-top: 16px; }
.arch-cap .t { font-weight: 600; font-size: 16px; letter-spacing: -0.01em; }
.arch-cap .s { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 5px; }
@media (max-width: 820px) { .archive { grid-template-columns: 1fr; max-width: 460px; } }

.story-lead-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,5vw,80px); align-items: start; }
.story-lead-grid .copy p { color: var(--muted); font-size: clamp(15px,1.35vw,18px); line-height: 1.72; margin-top: 18px; max-width: 50ch; }
.story-lead-grid .copy p:first-child { margin-top: 0; }
.story-lead-grid .copy p strong { color: var(--text); font-weight: 600; }
@media (max-width: 820px) { .story-lead-grid { grid-template-columns: 1fr; } }

/* ============================================================
   SERVICES — accordion
   ============================================================ */
.svc-page { padding: clamp(46px, 7vh, 84px) 0 clamp(70px, 11vh, 130px); }
.svc-list { border-top: 1px solid var(--line); }
.svc { border-bottom: 1px solid var(--line); }
.svc-head {
  display: grid; grid-template-columns: 78px 1fr auto; gap: 24px; align-items: center;
  padding: clamp(24px, 3.2vw, 40px) 0; cursor: pointer;
}
.svc-idx { font-family: var(--mono); font-size: 13px; color: var(--acc); }
.svc-name { font-weight: 800; font-size: clamp(22px, 3vw, 42px); text-transform: uppercase; letter-spacing: -0.02em; line-height: 1; transition: color .3s var(--ease); }
.svc-head:hover .svc-name { color: var(--acc); }
.svc-toggle { width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 50%; display: flex; align-items: center; justify-content: center; position: relative; flex: none; transition: background .4s var(--ease), border-color .4s var(--ease); }
.svc-toggle::before, .svc-toggle::after { content: ''; position: absolute; background: var(--text); transition: transform .4s var(--ease), background .4s; }
.svc-toggle::before { width: 15px; height: 2px; }
.svc-toggle::after { width: 2px; height: 15px; }
.svc.open .svc-toggle { background: var(--acc); border-color: var(--acc); }
.svc.open .svc-toggle::before, .svc.open .svc-toggle::after { background: var(--acc-ink); }
.svc.open .svc-toggle::after { transform: scaleY(0); }
.svc-body { max-height: 0; overflow: hidden; transition: max-height .55s var(--ease); }
.svc-inner { padding: 4px 0 clamp(30px, 4vw, 50px) 102px; }
.svc-intro { color: var(--muted); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.7; max-width: 66ch; }
.svc-intro strong { color: var(--text); font-weight: 600; }
.svc-feats { columns: 2; column-gap: 50px; margin-top: 26px; }
.svc-feat { break-inside: avoid; display: flex; gap: 13px; padding: 10px 0; font-size: 15px; border-top: 1px solid var(--line-soft); align-items: flex-start; }
.svc-feat::before { content: ''; width: 6px; height: 6px; background: var(--acc); margin-top: 7px; flex: none; transform: rotate(45deg); }
@media (max-width: 760px) {
  .svc-head { grid-template-columns: 50px 1fr auto; gap: 14px; }
  .svc-inner { padding-left: 0; }
  .svc-feats { columns: 1; }
}

/* ============================================================
   ESG
   ============================================================ */
.esg-feature { padding: clamp(60px, 9vh, 120px) 0; }
.esg-feature-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.esg-stats { display: grid; gap: 14px; }
.esg-stat { border: 1px solid var(--line); padding: 28px 30px; display: flex; align-items: baseline; gap: 22px; transition: background .4s, border-color .4s; }
.esg-stat:hover { background: var(--bg-2); border-color: var(--acc); }
.esg-stat .v { font-weight: 800; font-size: clamp(34px, 4vw, 54px); letter-spacing: -0.03em; line-height: 1; color: var(--acc); flex: none; min-width: 130px; }
.esg-stat .k { color: var(--muted); font-size: 15px; line-height: 1.45; }
@media (max-width: 820px) { .esg-feature-grid { grid-template-columns: 1fr; } }

.esg-video {
  margin-top: clamp(40px, 6vh, 76px); position: relative; aspect-ratio: 16 / 9;
  overflow: hidden; border: 1px solid var(--line); background: #000;
}
.esg-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.esg-video .vfacade {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0; cursor: pointer;
  background-size: cover; background-position: center; padding: 0; display: block;
}
.esg-video .vfacade::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,12,13,.25), rgba(12,12,13,.55));
  transition: background .4s var(--ease);
}
.esg-video .vfacade:hover::before { background: linear-gradient(180deg, rgba(12,12,13,.15), rgba(12,12,13,.4)); }
.esg-video .vplay {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: clamp(68px, 7vw, 92px); height: clamp(68px, 7vw, 92px); border-radius: 50%;
  background: var(--acc); display: flex; align-items: center; justify-content: center;
  transition: transform .35s var(--ease), background .35s var(--ease); z-index: 2;
}
.esg-video .vfacade:hover .vplay { transform: translate(-50%,-50%) scale(1.08); background: #fff; }
.esg-video .vplay svg { margin-left: 4px; fill: var(--acc-ink); }
.esg-video .vhint {
  position: absolute; left: 0; bottom: 0; z-index: 2; padding: 18px 22px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .04em; color: var(--text); text-transform: uppercase;
}
.esg-video-label {
  display: inline-flex; align-items: center; gap: 12px; margin-top: clamp(40px, 6vh, 76px);
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--acc);
}
.esg-video-label::before { content: ''; width: 26px; height: 1px; background: var(--acc); }

.partners { padding: clamp(60px, 9vh, 120px) 0; border-top: 1px solid var(--line); }
.partner-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: clamp(40px, 6vh, 64px); }
.partner { border: 1px solid var(--line); padding: 30px 32px; transition: background .4s, border-color .4s; }
.partner:hover { background: var(--bg-2); border-color: var(--acc); }
.partner .pn { font-family: var(--mono); font-size: 12px; color: var(--acc); letter-spacing: .04em; }
.partner h4 { font-weight: 700; font-size: 22px; margin: 12px 0 10px; letter-spacing: -0.01em; }
.partner p { color: var(--muted); font-size: 14.5px; line-height: 1.6; }
@media (max-width: 760px) { .partner-grid { grid-template-columns: 1fr; } }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { padding: clamp(50px, 8vh, 90px) 0 clamp(80px, 12vh, 140px); }
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.ci { padding: 26px 0; border-top: 1px solid var(--line); }
.ci:last-child { border-bottom: 1px solid var(--line); }
.ci h5 { font-family: var(--mono); font-size: 11.5px; text-transform: uppercase; color: var(--faint); letter-spacing: .12em; margin-bottom: 12px; }
.ci .big { font-size: clamp(19px, 1.9vw, 25px); font-weight: 600; letter-spacing: -0.015em; line-height: 1.3; }
.ci .big a { transition: color .25s; }
.ci .big a:hover { color: var(--acc); }
.form-card { border: 1px solid var(--line); background: var(--bg-2); padding: clamp(28px, 3.4vw, 48px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field label { font-family: var(--mono); font-size: 11.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 9px; display: block; letter-spacing: .05em; }
.field label .req { color: var(--acc); }
.field input, .field textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text);
  padding: 15px 16px; font-family: var(--display); font-size: 15px; transition: border-color .3s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--acc); }
.field textarea { resize: vertical; min-height: 130px; }
.form-ok { display: none; margin-top: 18px; font-family: var(--mono); font-size: 13px; color: var(--acc); }
.form-ok.show { display: block; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }