/* ============================================================
   CRITERIA — Compliance e Gestione Ambientale
   Design system "Herbarium Notturno"
   Apertura cinematografica scura + corpo editoriale su carta.
   Tipografia: Fraunces (display) · Instrument Sans (testo)
               Spline Sans Mono (timbro tecnico)
   ============================================================ */

/* ---------- Font self-hosted (variable, latin) ---------- */
@font-face{
  font-family:'Fraunces';
  src:url('../fonts/Fraunces-normal-300-600.woff2') format('woff2');
  font-weight:300 600; font-style:normal; font-display:swap;
}
@font-face{
  font-family:'Fraunces';
  src:url('../fonts/Fraunces-italic-300-600.woff2') format('woff2');
  font-weight:300 600; font-style:italic; font-display:swap;
}
@font-face{
  font-family:'Instrument Sans';
  src:url('../fonts/InstrumentSans-normal-400-700.woff2') format('woff2');
  font-weight:400 700; font-style:normal; font-display:swap;
}
@font-face{
  font-family:'Spline Sans Mono';
  src:url('../fonts/SplineSansMono-normal-400-600.woff2') format('woff2');
  font-weight:400 600; font-style:normal; font-display:swap;
}

/* ---------- Token ---------- */
:root{
  --night:#0a1612;        /* quasi-nero verde */
  --ink:#13201B;          /* inchiostro */
  --forest:#1B4332;
  --pine:#2D6A4F;
  --green:#52B788;
  --mint:#B7E4C7;
  --sage:#EFF7F2;
  --paper:#FDFCF8;        /* carta crema */
  --gold:#C9A227;
  --gold-ink:#8a6d15;   /* oro scurito per testo su fondi chiari (contrasto AA) */
  --earth:#8B6F47;
  --muted:#4A5852;

  --font-display:'Fraunces', Georgia, 'Times New Roman', serif;
  --font-text:'Instrument Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono:'Spline Sans Mono', Consolas, monospace;

  --gutter:clamp(1.25rem, 5vw, 5.5rem);
  --maxw:1440px;
  --hairline-dark:rgba(19,32,27,.14);
  --hairline-light:rgba(239,247,242,.16);
  --ease-out:cubic-bezier(.22,1,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-text);
  font-size:1.0625rem; line-height:1.65;
  color:var(--ink); background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--gold);color:var(--night)}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}

/* skip-link: invisibile finché non riceve focus da tastiera */
.skip-link{
  position:fixed; top:-100px; left:1rem; z-index:100;
  background:var(--gold); color:var(--night);
  padding:.6rem 1.2rem; border-radius:4px; font-weight:600;
  transition:top .2s;
}
.skip-link:focus{top:1rem}

/* ---------- Utility tipografiche ---------- */
.kicker{
  font-family:var(--font-mono);
  font-size:.72rem; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--gold); display:block;
}
.kicker--green{color:var(--green)}
.mono{font-family:var(--font-mono)}
.display{
  font-family:var(--font-display);
  font-weight:380; line-height:1.04;
  letter-spacing:-.015em;
  font-variation-settings:'opsz' 144;
  text-wrap:balance;
}
.display em{
  font-style:italic; font-weight:420; color:var(--gold);
}
[data-theme="paper"] .display em,[data-theme="sage"] .display em{color:var(--gold-ink)}
.lead{font-size:clamp(1.05rem,1.35vw,1.25rem);line-height:1.6;max-width:56ch}

.hairline{border:0;height:1px;background:var(--hairline-dark);width:100%}
[data-theme="dark"] .hairline{background:var(--hairline-light)}
.js [data-hairline]{transform:scaleX(0);transform-origin:left}

/* numerazione editoriale */
.sec-num{
  font-family:var(--font-mono); font-size:.72rem; font-weight:500;
  letter-spacing:.22em; color:var(--pine);
}

/* ---------- NAV ---------- */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:60;
  transition:background .45s var(--ease-out), box-shadow .45s, color .3s;
  color:var(--sage);
}
.nav-inner{
  max-width:var(--maxw); margin:0 auto; padding:1.1rem var(--gutter);
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand-word{
  font-family:var(--font-display); font-weight:480;
  font-size:1.3rem; letter-spacing:.34em; text-indent:.34em;
}
.brand-sub{
  font-family:var(--font-mono); font-size:.55rem; letter-spacing:.19em;
  text-transform:uppercase; opacity:.7;
}
.nav-links{display:flex;align-items:center;gap:clamp(.9rem,2.2vw,2rem)}
.nav-links a{
  font-size:.86rem; font-weight:500; position:relative; padding-block:.25rem;
  white-space:nowrap;
}
.nav-links a:not(.btn)::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:100%;
  background:var(--gold); transform:scaleX(0); transform-origin:right;
  transition:transform .35s var(--ease-out);
}
.nav-links a:not(.btn):hover::after{transform:scaleX(1);transform-origin:left}
.nav.is-solid{background:rgba(253,252,248,.95);backdrop-filter:blur(6px);color:var(--ink);box-shadow:0 1px 0 var(--hairline-dark)}
body:not(.page-dark) .nav.is-solid .btn{border-color:var(--gold-ink);color:var(--gold-ink)}
body:not(.page-dark) .nav.is-solid .btn::before{background:var(--gold-ink)}
body:not(.page-dark) .nav.is-solid .btn:hover{color:var(--paper)}
.page-dark .nav.is-solid{background:rgba(10,22,18,.88);color:var(--sage);box-shadow:0 1px 0 var(--hairline-light)}
.nav-toggle{display:none}
.nav-toggle.is-open{color:var(--sage)}

/* bottoni */
.btn{
  display:inline-flex; align-items:center; gap:.55rem;
  font-size:.88rem; font-weight:600; letter-spacing:.02em;
  padding:.78rem 1.7rem; border-radius:100px;
  border:1px solid var(--gold); color:var(--gold);
  position:relative; overflow:hidden; isolation:isolate;
  transition:color .35s var(--ease-out);
}
.btn::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:var(--gold); transform:translateY(101%);
  transition:transform .4s var(--ease-out);
}
.btn:hover{color:var(--night)}
.btn:hover::before{transform:translateY(0)}
.btn--ink{border-color:var(--ink);color:var(--ink)}
.btn--ink::before{background:var(--ink)}
.btn--ink:hover{color:var(--paper)}
.btn--solid{background:var(--gold);color:var(--night)}
.btn--solid::before{background:var(--sage)}
.btn--solid:hover{color:var(--night)}

/* link sottolineato */
.u-link{position:relative;font-weight:500}
.u-link::after{
  content:""; position:absolute; left:0; bottom:-2px; height:1px; width:100%;
  background:currentColor; transform:scaleX(1); transform-origin:left;
  transition:transform .35s var(--ease-out);
}
.u-link:hover::after{transform:scaleX(0);transform-origin:right}

/* ---------- Sezioni: temi ---------- */
section{position:relative}
[data-theme="dark"]{background:var(--night);color:var(--sage)}
[data-theme="forest"]{background:var(--forest);color:var(--sage)}
[data-theme="paper"]{background:var(--paper);color:var(--ink)}
[data-theme="sage"]{background:var(--sage);color:var(--ink)}
[data-theme="dark"] .display em,[data-theme="forest"] .display em{color:var(--gold)}
[data-theme="dark"] p,[data-theme="forest"] p{color:rgba(239,247,242,.88)}

.sec-head{display:flex;align-items:baseline;gap:1.4rem;margin-bottom:clamp(2rem,4vw,3.5rem)}
.sec-head h2{font-size:clamp(2rem,4.4vw,3.6rem)}

/* ---------- HERO (index, scuro) ---------- */
.hero{
  min-height:100svh; display:grid; align-items:center;
  background:var(--night); color:var(--sage);
  position:relative; overflow:hidden;
  padding-top:5.5rem;
}
.hero-grid{
  display:grid; grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:clamp(2rem,5vw,5rem); align-items:center;
}
.hero h1{
  font-size:clamp(2.7rem,6.3vw,6.2rem);
  margin:1.4rem 0 1.8rem;
}
.hero .lead{color:rgba(239,247,242,.82)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.4rem}
.hero-figure{
  position:relative; border-radius:6px; overflow:hidden;
  aspect-ratio:3/4; max-height:72vh; justify-self:end; width:100%;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.hero-figure img{
  width:100%; height:100%; object-fit:cover;
  filter:saturate(.92);
}
.hero-figure::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(200deg, rgba(10,22,18,0) 45%, rgba(10,22,18,.55) 100%);
}
/* variante emblema: l'immagine-firma della panoramica (pag. 7), PNG
   trasparente — niente cornice fotografica, solo ombra portata */
.hero-figure--emblema{
  aspect-ratio:1/1; max-height:64vh;
  background:transparent; box-shadow:none; border-radius:0;
}
.hero-figure--emblema::after{display:none}
.hero-figure--emblema img,
.hero-figure--emblema .hero-slides img{
  object-fit:contain;
  filter:none;               /* l'ombra e' gia' nel PNG: un filtro animato
                                costerebbe un ridisegno a ogni frame */
  will-change:transform;
}

/* video di sfondo dell'hero (solo desktop, iniettato da JS) */
.hero-video{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; z-index:0;
}
.hero-veil{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(90deg, rgba(10,22,18,.94) 0%, rgba(10,22,18,.72) 52%, rgba(10,22,18,.45) 100%),
    linear-gradient(180deg, rgba(10,22,18,.35) 0%, rgba(10,22,18,.15) 45%, rgba(10,22,18,.8) 100%);
}
.hero .hero-grid,.hero .hero-foot{position:relative;z-index:2}

.hero-foot{
  position:absolute; left:0; right:0; bottom:0;
  border-top:1px solid var(--hairline-light);
}
.hero-foot .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:1rem; gap:1rem;
}
.hero-foot .mono{font-size:.68rem;letter-spacing:.18em;color:rgba(239,247,242,.55);text-transform:uppercase}
.scroll-hint{display:flex;align-items:center;gap:.7rem;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(239,247,242,.55)}
.scroll-hint::before{
  content:""; width:1px; height:34px; background:var(--gold);
  animation:pulse 2.2s var(--ease-out) infinite;
}
@keyframes pulse{0%,100%{transform:scaleY(.35);opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ---------- MANIFESTO (scrub parole) ---------- */
.manifesto{padding-block:clamp(6rem,16vh,12rem)}
.manifesto-txt{
  font-family:var(--font-display); font-weight:340;
  font-size:clamp(1.7rem,3.6vw,3.4rem); line-height:1.28;
  max-width:26ch; letter-spacing:-.01em;
}
.manifesto-txt .w{color:rgba(239,247,242,.16);transition:none}
.no-js .manifesto-txt .w, .js-reduced .manifesto-txt .w{color:var(--sage)}
.no-js .manifesto-txt .w--gold, .js-reduced .manifesto-txt .w--gold{color:var(--gold)}
.manifesto-meta{margin-top:3rem;display:flex;gap:2rem;flex-wrap:wrap}
.manifesto-meta span{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--green)}

/* ---------- SERVIZI: index-list editoriale ---------- */
.servizi{padding-block:clamp(5rem,14vh,10rem)}
.svc-list{border-top:1px solid var(--hairline-dark)}
.svc-row{border-bottom:1px solid var(--hairline-dark)}
.svc-btn{
  width:100%; display:grid;
  grid-template-columns:5.5rem minmax(0,1fr) auto;
  align-items:baseline; gap:1.2rem; text-align:left;
  padding:clamp(1.3rem,2.6vw,2.1rem) .4rem;
  transition:background .3s;
}
.svc-btn:hover{background:var(--sage)}
.svc-row.is-open .svc-btn{background:var(--sage)}
.svc-idx{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.14em;color:var(--pine);font-variant-numeric:tabular-nums}
.svc-name{
  font-family:var(--font-display); font-weight:400;
  font-size:clamp(1.45rem,3vw,2.6rem); line-height:1.08; letter-spacing:-.01em;
}
.svc-arrow{
  font-family:var(--font-display); font-size:1.5rem; color:var(--gold-ink);
  transition:transform .4s var(--ease-out);
}
.svc-row.is-open .svc-arrow{transform:rotate(45deg)}
.svc-body{
  display:grid; grid-template-rows:0fr;
  transition:grid-template-rows .55s var(--ease-out);
}
.svc-row.is-open .svc-body{grid-template-rows:1fr}
.svc-body-in{overflow:hidden}
.svc-detail{
  display:grid; grid-template-columns:5.5rem minmax(0,1fr);
  gap:1.2rem; padding:0 .4rem clamp(1.6rem,3vw,2.4rem);
}
.svc-detail ul{max-width:68ch}
.svc-detail li{
  position:relative; padding:.42rem 0 .42rem 1.4rem;
  font-size:.97rem; color:#33403a; border-top:1px dashed var(--hairline-dark);
}
.svc-detail li:first-child{border-top:0}
.svc-detail li::before{
  content:""; position:absolute; left:.2rem; top:1.05rem;
  width:5px;height:5px;border-radius:50%;background:var(--green);
}
/* card immagine flottante che segue il cursore */
.svc-float{
  position:fixed; z-index:50; width:300px; aspect-ratio:4/3;
  border-radius:4px; overflow:hidden; pointer-events:none;
  opacity:0; transform:scale(.92);
  box-shadow:0 24px 60px rgba(19,32,27,.35);
  display:none;
}
.svc-float img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}
.svc-float img.is-active{opacity:1}
@media (hover:hover) and (pointer:fine){ .svc-float{display:block} }

/* ---------- A CHI CI RIVOLGIAMO ---------- */
.soggetti{padding-block:clamp(5rem,14vh,9rem)}
.sog-grid{
  display:grid; grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--hairline-dark);
  border-left:1px solid var(--hairline-dark);
}
.sog-cell{
  border-right:1px solid var(--hairline-dark);
  border-bottom:1px solid var(--hairline-dark);
  padding:clamp(1.4rem,2.6vw,2.2rem);
  min-height:14rem; display:flex; flex-direction:column; gap:.7rem;
  transition:background .35s;
}
.sog-cell:hover{background:var(--sage)}
.sog-cell .sec-num{color:var(--gold-ink)}
.sog-cell h3{font-family:var(--font-display);font-weight:430;font-size:1.28rem;line-height:1.2}
.sog-cell p{font-size:.92rem;color:var(--muted);line-height:1.55}
.claim-band{padding:clamp(3.5rem,8vh,6rem) 0 0;text-align:center}
.claim-band .display{font-size:clamp(1.7rem,3.4vw,3rem)}
.claim-band img{margin:1.5rem auto 0;max-height:120px;width:auto;object-fit:contain}

/* ---------- SPETTRO DEI RIFIUTI ---------- */
.spettro{padding-block:clamp(5rem,14vh,9rem)}
.spec-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--hairline-dark);
  border:1px solid var(--hairline-dark);
}
.spec-cell{background:var(--sage);padding:clamp(1.3rem,2.4vw,2rem);display:flex;flex-direction:column;gap:.55rem}
.spec-cap{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--pine)}
.spec-cell h3{font-family:var(--font-display);font-style:italic;font-weight:430;font-size:1.3rem;line-height:1.15}
.spec-cell p{font-size:.9rem;color:var(--muted);line-height:1.55}
.spec-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:.5rem;vertical-align:baseline}

/* fascia foto full-bleed con parallax */
.photo-band{position:relative;height:clamp(240px,44vh,460px);overflow:hidden}
.photo-band img{position:absolute;inset:0;width:100%;height:130%;object-fit:cover;top:-15%;will-change:transform}
.photo-band::after{content:"";position:absolute;inset:0;background:rgba(27,67,50,.38)}
.photo-band figcaption{
  position:absolute;left:0;bottom:0;z-index:2;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;
  color:rgba(239,247,242,.9);padding:1rem var(--gutter);
}

/* ---------- X-FIR (scena madre, scura) ---------- */
.xfir{
  padding-block:clamp(6rem,16vh,11rem);
  overflow:hidden; position:relative;
  background:radial-gradient(120% 120% at 70% 20%, #13201B 0%, var(--night) 65%);
  color:var(--sage);
}
.xfir-mark{
  position:absolute; right:-12%; top:50%; translate:0 -50%;
  width:min(58vw,780px); opacity:.07; pointer-events:none;
  animation:slow-rot 160s linear infinite;
}
@keyframes slow-rot{to{transform:rotate(360deg)}}
.badge-pill{
  display:inline-flex; align-items:center; gap:.6rem;
  font-family:var(--font-mono); font-size:.7rem; font-weight:500;
  letter-spacing:.24em; text-transform:uppercase; color:var(--gold);
  border:1px solid rgba(201,162,39,.5); border-radius:100px;
  padding:.45rem 1.1rem;
}
.badge-pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:.35}50%{opacity:1}}
.xfir h2{
  font-family:var(--font-display); font-weight:380;
  font-size:clamp(3.4rem,10vw,9.5rem); line-height:.98; letter-spacing:-.02em;
  margin:1.6rem 0 .8rem; color:var(--sage);
}
.xfir h2 em{font-style:italic;color:var(--gold);font-weight:400}
.xfir-tag{font-family:var(--font-display);font-style:italic;font-size:clamp(1.15rem,2vw,1.6rem);color:var(--mint);margin-bottom:3rem}
.xfir-wave{width:min(560px,100%);height:64px;margin:0 0 2.6rem}
.xfir-wave path{stroke:var(--gold);stroke-width:1.6;fill:none;opacity:.9}
.xfir-steps{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--hairline-light); border:1px solid var(--hairline-light);
  counter-reset:xs;
}
.xfir-step{background:rgba(10,22,18,.72);padding:1.6rem 1.4rem;min-height:12.5rem;display:flex;flex-direction:column;gap:.7rem}
.xfir-step .n{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;color:var(--gold)}
.xfir-step h3{font-family:var(--font-display);font-weight:430;font-size:1.2rem;color:var(--sage)}
.xfir-step p{font-size:.9rem;color:rgba(239,247,242,.75);line-height:1.55}
.xfir-cta{margin-top:3rem}

/* ---------- PERCHÉ CRITERIA ---------- */
.perche{padding-block:clamp(5rem,14vh,10rem)}
.counters{
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:clamp(1.5rem,4vw,3rem);
  padding-block:clamp(2.5rem,5vw,4rem);
  border-top:1px solid var(--hairline-dark);
  border-bottom:1px solid var(--hairline-dark);
  margin-bottom:clamp(3rem,7vw,5.5rem);
}
.counter .val{
  font-family:var(--font-display); font-weight:360;
  font-size:clamp(2.6rem,5.6vw,5rem); line-height:1;
  font-variant-numeric:tabular-nums; color:var(--forest);
}
.counter .val small{font-size:.45em;color:var(--gold-ink);font-style:italic}
.counter .lab{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-top:.7rem;display:block}
.pil-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.5rem,3vw,2.5rem)}
.pil{border-left:1px solid var(--hairline-dark);padding-left:clamp(1rem,1.8vw,1.6rem);display:flex;flex-direction:column;gap:.8rem}
.pil .sec-num{color:var(--gold-ink)}
.pil h3{font-family:var(--font-display);font-weight:430;font-size:1.35rem;line-height:1.18}
.pil p{font-size:.93rem;color:var(--muted);line-height:1.6}
.perche-close{
  margin-top:clamp(3.5rem,8vw,6rem); text-align:center;
}
.perche-close .display{font-size:clamp(1.6rem,3.2vw,2.8rem);max-width:26ch;margin-inline:auto}

/* ---------- CONTATTI ---------- */
.contatti{padding-block:clamp(5rem,14vh,10rem)}
.contatti h2{
  font-family:var(--font-display); font-style:italic; font-weight:380;
  font-size:clamp(3.4rem,9vw,8.5rem); line-height:1; letter-spacing:-.02em;
  margin-bottom:clamp(2.5rem,5vw,4rem);
}
.contatti h2 .dot{color:var(--gold-ink);font-style:normal}
.cont-grid{
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:clamp(1.5rem,4vw,3rem);
  border-top:1px solid var(--hairline-dark); padding-top:2.2rem;
}
.cont-cell .lab{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--pine);display:block;margin-bottom:.55rem}
.cont-cell a{font-family:var(--font-display);font-size:clamp(1.05rem,1.6vw,1.45rem);font-weight:430}
.cont-note{margin-top:2.6rem;font-size:.92rem;color:var(--muted);max-width:52ch}

/* ---------- FOOTER ---------- */
footer{background:var(--night);color:var(--sage);position:relative;overflow:hidden}
.foot-grid{
  display:grid; grid-template-columns:2fr 1fr 1fr;
  gap:clamp(2rem,5vw,4rem);
  padding-block:clamp(3.5rem,7vw,5.5rem);
}
.foot-brand .brand-word{font-size:1.5rem}
.foot-brand p{font-size:.88rem;color:rgba(239,247,242,.6);margin-top:1rem;max-width:34ch}
.foot-col .lab{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--green);display:block;margin-bottom:1rem}
.foot-col li{margin-bottom:.55rem}
.foot-col a{font-size:.9rem;color:rgba(239,247,242,.78)}
.foot-col a:hover{color:var(--gold)}
.foot-emblem{position:absolute;right:-4rem;bottom:-6rem;width:300px;opacity:.08;pointer-events:none}
.colophon{
  border-top:1px solid var(--hairline-light);
  padding-block:1.3rem;
  display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap;
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.14em;
  text-transform:uppercase; color:rgba(239,247,242,.5);
}

/* ---------- PAGINA X-FIR ---------- */
.page-dark{background:var(--night);color:var(--sage)}
.page-dark .hairline{background:var(--hairline-light)}
.xhero{
  min-height:92svh; display:grid; align-items:center;
  padding-top:6rem; position:relative; overflow:hidden;
}
.xhero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(2rem,5vw,5rem);align-items:center}
.xhero h1{font-size:clamp(2.5rem,5.6vw,5.4rem);margin:1.4rem 0 1.6rem}
.xhero .lead{color:rgba(239,247,242,.82)}
.timeline{padding-block:clamp(5rem,13vh,9rem);position:relative}
.tl-rail{position:absolute;left:calc(var(--gutter) + .55rem);top:0;bottom:0;width:1px;background:var(--hairline-light)}
.tl-rail-fill{position:absolute;left:0;top:0;width:100%;height:100%;background:var(--gold);transform-origin:top;transform:scaleY(0)}
.no-js .tl-rail-fill, .js-reduced .tl-rail-fill{transform:none}
.tl-step{
  position:relative;
  padding:0 0 clamp(2.8rem,6vw,4.5rem) clamp(3rem,6vw,5rem);
}
.tl-step::before{
  content:""; position:absolute; left:.28rem; top:.5rem;
  width:9px;height:9px;border-radius:50%;
  background:var(--night); border:1.5px solid var(--gold);
}
.tl-step .n{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;color:var(--gold);text-transform:uppercase}
.tl-step h3{font-family:var(--font-display);font-weight:400;font-size:clamp(1.6rem,3vw,2.5rem);margin:.5rem 0 .8rem;color:var(--sage)}
.tl-step p{max-width:56ch;color:rgba(239,247,242,.8)}
.tl-checks{margin-top:1.2rem;display:flex;flex-direction:column;gap:.45rem;max-width:30rem}
.tl-checks span{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.06em;
  color:rgba(239,247,242,.75);
  display:flex; justify-content:space-between; gap:1rem;
  border-bottom:1px dashed var(--hairline-light); padding-bottom:.4rem;
}
.tl-checks b{color:var(--green);font-weight:600}
.banda{background:var(--forest);padding-block:clamp(4.5rem,10vh,7.5rem)}
.banda h2{font-size:clamp(1.9rem,3.8vw,3.2rem);max-width:26ch}
.banda .lead{margin-top:1.4rem;color:rgba(239,247,242,.85)}
.x-cards{padding-block:clamp(5rem,12vh,8rem)}
.xc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hairline-light);border:1px solid var(--hairline-light)}
.xc{background:rgba(19,32,27,.5);padding:1.6rem 1.4rem;display:flex;flex-direction:column;gap:.7rem;min-height:15rem}
.xc h3{font-family:var(--font-display);font-weight:430;font-size:1.18rem;color:var(--sage)}
.xc li{font-size:.88rem;color:rgba(239,247,242,.75);padding:.3rem 0;border-top:1px dashed var(--hairline-light)}
.xc li:first-of-type{border-top:0}
.percorso{padding-block:clamp(4rem,10vh,7rem)}
.perc-row{
  display:grid; grid-template-columns:10rem minmax(0,1fr);
  gap:1.5rem; padding-block:1.6rem;
  border-top:1px solid var(--hairline-light);
}
.perc-row:last-child{border-bottom:1px solid var(--hairline-light)}
.perc-row .fase{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);padding-top:.3rem}
.perc-row p{color:rgba(239,247,242,.82);max-width:70ch}
.perc-row i{color:var(--mint)}
.xcta{padding-block:clamp(5rem,12vh,9rem);text-align:left}
.xcta h2{font-size:clamp(2.2rem,5vw,4.2rem);margin-bottom:1.2rem}

/* ---------- Reveal di base (solo con JS) ---------- */
.js [data-split-hero]{visibility:hidden}
.js [data-reveal]{opacity:0;transform:translateY(28px)}
.js [data-reveal-img] img{transform:scale(1.14)}
.js [data-reveal-img]{clip-path:inset(0 0 100% 0)}
.js .hero [data-stagger], .js .xhero [data-stagger]{opacity:0;transform:translateY(26px)}
.js-reduced [data-split-hero], .no-js [data-split-hero]{visibility:visible !important}
.js-reduced [data-reveal], .js-reduced [data-stagger]{opacity:1 !important;transform:none !important}
.js-reduced [data-reveal-img]{clip-path:none !important}
.js-reduced [data-reveal-img] img{transform:none !important}
.js-reduced .xfir-mark,.js-reduced .scroll-hint::before,.js-reduced .badge-pill::before{animation:none}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .pil-grid{grid-template-columns:repeat(2,1fr);row-gap:2.5rem}
  .xfir-steps,.xc-grid{grid-template-columns:repeat(2,1fr)}
  .sog-grid,.spec-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .hero-grid,.xhero-grid{grid-template-columns:1fr}
  .hero-figure{max-height:46vh;aspect-ratio:4/3;order:-1;justify-self:stretch}
  .xhero-figure{display:none}
  .hero,.xhero{min-height:0;padding-bottom:0}
  .hero-foot{position:static;margin-top:3rem}
  .hero-foot .wrap{flex-direction:column;align-items:flex-start;gap:.8rem}
  .nav-links{
    display:none;
  }
  /* senza JS il menu deve restare raggiungibile: niente hamburger, voci in riga */
  .no-js .nav-links{display:flex;flex-wrap:wrap;gap:.8rem;width:100%;order:3}
  .no-js .nav-toggle{display:none}
  .nav-links.is-open{
    display:flex; flex-direction:column; align-items:flex-start;
    position:fixed; inset:0; background:var(--night); color:var(--sage);
    padding:6.5rem var(--gutter) 3rem; gap:1.6rem; z-index:55;
  }
  .nav-links.is-open a{font-family:var(--font-display);font-size:1.7rem;font-weight:400}
  .nav-links.is-open .btn{font-size:1rem;margin-top:1rem}
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px; z-index:56; padding:.4rem;
  }
  .nav-toggle span{width:26px;height:1.5px;background:currentColor;transition:transform .35s var(--ease-out),opacity .3s}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .nav-toggle.is-open span:nth-child(2){opacity:0}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  .counters{grid-template-columns:1fr;gap:2rem}
  .cont-grid,.foot-grid{grid-template-columns:1fr;gap:2rem}
  .svc-btn{grid-template-columns:3rem minmax(0,1fr) auto;gap:.8rem}
  .svc-detail{grid-template-columns:1fr;gap:.4rem;padding-left:.4rem}
  .sog-grid,.spec-grid,.xfir-steps,.xc-grid{grid-template-columns:1fr}
  .sog-cell{min-height:0}
  .perc-row{grid-template-columns:1fr;gap:.5rem}
  .pil-grid{grid-template-columns:1fr}
}
/* ============================================================
   Upgrade "ispirazione Dife" — hero vivo, credenziali, osservatorio,
   mega-link, settori fotografici, didascalie tecniche
   ============================================================ */

/* Hero slideshow (effetto video: crossfade + Ken Burns) */
.hero-slides{position:absolute;inset:0;overflow:hidden}
.hero-slides img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;filter:saturate(.92);
}
.hero-slides img.is-first{opacity:1}
.hero-slide-cap{
  position:absolute;left:1rem;bottom:.9rem;z-index:3;
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.18em;
  text-transform:uppercase;color:rgba(239,247,242,.9);
  background:rgba(10,22,18,.5);padding:.4rem .8rem;border-radius:3px;
  backdrop-filter:blur(4px);
}

/* Mega-link tipografico (CTA alla Dife: underline che si disegna) */
.mega-link{
  display:inline-block;font-family:var(--font-display);font-weight:390;
  font-size:clamp(1.5rem,3.2vw,2.8rem);line-height:1.15;
  position:relative;padding-bottom:.18em;letter-spacing:-.01em;
}
.mega-link::before{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:currentColor;opacity:.25;
}
.mega-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--ease-out);
}
.mega-link:hover::after{transform:scaleX(1)}
.mega-link .fr{display:inline-block;color:var(--gold);transition:transform .4s var(--ease-out)}
.mega-link:hover .fr{transform:translateX(12px)}
[data-theme="paper"] .mega-link::after,[data-theme="sage"] .mega-link::after{background:var(--gold-ink)}
[data-theme="paper"] .mega-link .fr,[data-theme="sage"] .mega-link .fr{color:var(--gold-ink)}

/* Fascia credenziali in marquee lento */
.cred-band{
  border-top:1px solid var(--hairline-dark);
  border-bottom:1px solid var(--hairline-dark);
  padding-block:1.15rem;overflow:hidden;
}
.cred-track{display:flex;width:max-content;animation:cred-scroll 48s linear infinite;will-change:transform}
.cred-band:hover .cred-track{animation-play-state:paused}
.cred-track span{
  font-family:var(--font-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--pine);
  white-space:nowrap;display:inline-flex;align-items:center;
}
.cred-track span::after{content:"◆";color:var(--gold-ink);font-size:.45rem;margin-inline:1.6rem}
@keyframes cred-scroll{to{transform:translateX(-50%)}}
.js-reduced .cred-track,.no-js .cred-track{animation:none}

/* Osservatorio normativo */
.osservatorio{padding-block:clamp(4rem,10vh,7rem)}
.oss-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--hairline-dark);border:1px solid var(--hairline-dark);
}
.oss-card{
  background:var(--paper);padding:1.7rem 1.5rem;
  display:flex;flex-direction:column;gap:.7rem;transition:background .3s;
}
.oss-card:hover{background:var(--sage)}
.oss-card .data{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.18em;color:var(--gold-ink);text-transform:uppercase}
.oss-card h3{font-family:var(--font-display);font-weight:430;font-size:1.28rem;line-height:1.22}
.oss-card p{font-size:.9rem;color:var(--muted);line-height:1.55}

/* Settori: foto che affiora al passaggio (solo desktop con mouse) */
.sog-cell{position:relative;overflow:hidden}
.sog-cell > *{position:relative;z-index:2}
.sog-cell::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-size:cover;background-position:center;
  opacity:0;transform:scale(1.06);filter:saturate(.5);
  transition:opacity .55s var(--ease-out),transform .8s var(--ease-out);
}
@media (hover:hover) and (pointer:fine){
  .sog-cell:hover::before{opacity:.2;transform:scale(1)}
  .sog-cell--costruzioni::before{background-image:url('../img/scene-2.webp')}
  .sog-cell--trasporto::before{background-image:url('../img/containers.webp')}
  .sog-cell--industria::before{background-image:url('../img/scene-5.webp')}
  .sog-cell--intermediari::before{background-image:url('../img/banner-documents.webp')}
  .sog-cell--impianti::before{background-image:url('../img/materiali.webp')}
  .sog-cell--servizi::before{background-image:url('../img/hero-cover.webp')}
}

/* Didascalie tecniche sulle fasce fotografiche */
.band-chip{
  position:absolute;z-index:3;
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--sage);
  background:rgba(10,22,18,.55);border:1px solid rgba(239,247,242,.28);
  padding:.42rem .85rem;border-radius:3px;backdrop-filter:blur(3px);
  white-space:nowrap;
}

/* Contatori: riga di contesto */
.counter .ctx{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;
  color:var(--pine);display:block;margin-top:.3rem;
}

/* CTA band X-FIR (chiusura funnel) */
.xcta{border-top:1px solid rgba(201,162,39,.35);position:relative;overflow:hidden}
.xcta .xfir-mark{width:min(40vw,480px);right:-8%;opacity:.06}
.xcta .wrap{position:relative;z-index:2}

/* Pagine interne: hero compatto scuro */
.page-hero{
  background:var(--night); color:var(--sage);
  padding:clamp(7.5rem,16vh,10rem) 0 clamp(3rem,7vh,4.5rem);
  position:relative; overflow:hidden;
}
.page-hero h1{font-size:clamp(2.3rem,4.8vw,4.4rem);margin:.8rem 0 1rem}
.page-hero .lead{color:rgba(239,247,242,.82)}

/* Catalogo servizi */
.cat-sec{padding-block:clamp(4rem,10vh,7rem)}
.cat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--hairline-dark);border:1px solid var(--hairline-dark);
}
.cat-card{
  background:var(--paper);padding:1.7rem 1.5rem;
  display:flex;flex-direction:column;gap:.6rem;transition:background .3s;
}
.cat-card:hover{background:var(--sage)}
.cat-card .per-chi{font-family:var(--font-mono);font-size:.62rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--pine)}
.cat-card h3{font-family:var(--font-display);font-weight:430;font-size:1.3rem;line-height:1.22}
.cat-card ul{margin-top:.2rem}
.cat-card li{position:relative;padding:.34rem 0 .34rem 1.2rem;font-size:.9rem;color:#33403a;line-height:1.5;border-top:1px dashed var(--hairline-dark)}
.cat-card li:first-child{border-top:0}
.cat-card li::before{content:"";position:absolute;left:.1rem;top:.95rem;width:4px;height:4px;border-radius:50%;background:var(--green)}

/* prosa (privacy / testi legali) */
.prose{max-width:72ch;padding-block:clamp(3.5rem,8vh,6rem)}
.prose h2{font-family:var(--font-display);font-weight:430;font-size:1.45rem;margin:2.2rem 0 .6rem}
.prose p,.prose li{font-size:.97rem;color:#33403a;line-height:1.7;margin-bottom:.7rem}
.prose ul{padding-left:1.2rem;list-style:disc;margin-bottom:.7rem}
.prose .agg{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

@media (max-width:1080px){ .cat-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:820px){
  .oss-grid,.cat-grid{grid-template-columns:1fr}
  .band-chip{position:static;display:inline-flex;margin:.3rem .4rem 0 0}
  .photo-band .chips-holder{position:absolute;left:var(--gutter);bottom:3rem;z-index:3}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001s !important;transition-duration:.001s !important}
}