/* =============================================================
   Terzi Service — sito one page
   ============================================================= */

/* ---------- Token ---------- */
:root{
  --ink:        #12161a;
  --ink-2:      #1b2126;
  --ink-3:      #2a3138;
  --bone:       #f4f1ec;
  --bone-2:     #eae5dd;
  --white:      #ffffff;
  /* Colori verificati per contrasto WCAG AA:
     --stone 5.3:1 su bone · --blue 5.3:1 su ink · --blue-ink 5.2:1 su bone */
  --stone:      #67635d;
  --stone-lite: rgba(244,241,236,.62);
  --blue:       #2e93c8;   /* accento sui fondi scuri */
  --blue-ink:   #1f6b8f;   /* stesso accento, leggibile sui fondi chiari */

  /* colore del contorno di focus: cambia da solo nelle sezioni scure */
  --focus:      #1f6b8f;

  --font-display: 'Jost', 'Avenir Next', Avenir, 'Helvetica Neue', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --shell: 1360px;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --sec-y: clamp(5rem, 11vw, 10.5rem);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bone);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:clamp(1rem,.96rem + .2vw,1.0625rem);
  line-height:1.7;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:300; margin:0; letter-spacing:-.01em; }
p{ margin:0 0 1.15em; }
ul,ol{ margin:0; padding:0; list-style:none; }
figure{ margin:0; }        /* i margini UA del figure creavano overflow orizzontale su mobile */
blockquote{ margin:0; }

.shell{ width:100%; max-width:var(--shell); margin-inline:auto; padding-inline:var(--pad); }
.section{ padding-block:var(--sec-y); position:relative; }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}
.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--ink); color:var(--bone); padding:.9rem 1.4rem;
}
.skip-link:focus{ left:1rem; top:1rem; }

/* sui fondi scuri serve l'azzurro chiaro, altrimenti il focus non si vede */
.hero, .marquee, .section--dark, .filmstrip, .section--materiali,
.section--contatti, .footer, .cookie-banner, .site-header{ --focus:#4aa8d8; }
.site-header.is-stuck{ --focus:#1f6b8f; }

:where(a,button,input,select,textarea):focus-visible{
  outline:2px solid var(--focus); outline-offset:3px; border-radius:2px;
}

/* ---------- Tipografia ricorrente ---------- */
.eyebrow{
  font-family:var(--font-display);
  font-size:.75rem; letter-spacing:.28em; text-transform:uppercase;
  color:var(--stone); margin:0 0 1.6rem;
}
.eyebrow--light{ color:var(--stone-lite); }

.h2{
  font-size:clamp(2rem,1.15rem + 3.4vw,4rem);
  line-height:1.08; letter-spacing:-.025em; margin:0 0 1.8rem;
}
.h2--light{ color:var(--bone); }

.prose{ max-width:58ch; color:#3d444b; }
.prose strong{ font-weight:500; color:var(--ink); }
.prose--light{ color:var(--stone-lite); }
.prose--light strong{ color:var(--bone); }

/* ---------- Bottoni ---------- */
.btn{
  --bg:transparent; --fg:var(--ink); --bd:currentColor;
  display:inline-flex; align-items:center; justify-content:center; gap:.6rem;
  font-family:var(--font-display); font-size:.8125rem; font-weight:400;
  letter-spacing:.16em; text-transform:uppercase;
  padding:1.05rem 2rem; border:1px solid var(--bd); background:var(--bg); color:var(--fg);
  cursor:pointer; position:relative; overflow:hidden; isolation:isolate;
  transition:color .45s var(--ease), border-color .45s var(--ease);
}
.btn::after{
  content:''; position:absolute; inset:0; z-index:-1;
  background:var(--ink); transform:translateY(101%);
  transition:transform .45s var(--ease);
}
.btn:hover::after,.btn:focus-visible::after{ transform:translateY(0); }
.btn:hover,.btn:focus-visible{ color:var(--bone); }

.btn--solid{ --bg:var(--ink); --fg:var(--bone); --bd:var(--ink); }
.btn--solid::after{ background:var(--bone); }
.btn--solid:hover,.btn--solid:focus-visible{ color:var(--ink); }

.btn--line{ --fg:var(--bone); --bd:rgba(244,241,236,.45); }
.btn--line::after{ background:var(--bone); }
.btn--line:hover,.btn--line:focus-visible{ color:var(--ink); border-color:var(--bone); }

.btn--ghost{ padding:.75rem 1.4rem; font-size:.72rem; }

/* selettore di lingua: entrambe visibili, la corrente in evidenza */
.lang{
  flex:0 0 auto; display:inline-flex; align-items:center; gap:.5rem;
  margin:0 -.4rem 0 -1.1rem;
  font-family:var(--font-display); font-size:.78rem; letter-spacing:.16em;
}
.lang__opt{
  display:inline-flex; align-items:center; justify-content:center;
  min-width:26px; min-height:44px; padding-inline:.15rem;
  color:var(--bone); opacity:.55;
  border-bottom:1px solid transparent;
  transition:opacity .35s var(--ease), border-color .35s var(--ease), color .35s var(--ease);
}
.lang__opt:hover{ opacity:1; }
.lang__opt.is-current{ opacity:1; border-bottom-color:currentColor; }
.lang__sep{ color:var(--bone); opacity:.32; }
.site-header.is-stuck .lang__opt,
.site-header.is-stuck .lang__sep{ color:var(--ink); }
.btn--full{ width:100%; margin-top:.6rem; }

/* =============================================================
   HEADER
   ============================================================= */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  padding-block:1.35rem;
  transition:background .5s var(--ease), padding .5s var(--ease), box-shadow .5s var(--ease);
}
.site-header::before{
  content:''; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(to bottom, rgba(10,13,16,.55), transparent);
  transition:opacity .5s var(--ease);
}
.header__inner{ display:flex; align-items:center; gap:2rem; }

.header__logo{ display:block; position:relative; flex:0 0 auto; }
.logo{ width:clamp(150px,15vw,190px); height:auto; transition:opacity .45s var(--ease); }
.logo--dark{ position:absolute; inset:0; opacity:0; }

.nav{ margin-left:auto; }
.nav__list{ display:flex; gap:clamp(1.2rem,2.4vw,2.6rem); }
.nav__list a{
  font-family:var(--font-display); font-size:.8rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--bone); position:relative;
  padding-block:.35rem; transition:color .35s var(--ease);
}
.nav__list a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:100%;
  background:currentColor; transform:scaleX(0); transform-origin:right;
  transition:transform .4s var(--ease);
}
.nav__list a:hover::after,
.nav__list a:focus-visible::after,
.nav__list a.is-active::after{ transform:scaleX(1); transform-origin:left; }

.header__cta{ color:var(--bone); border-color:rgba(244,241,236,.4); }
.header__cta::after{ background:var(--bone); }
.header__cta:hover,.header__cta:focus-visible{ color:var(--ink); border-color:var(--bone); }

/* stato "scrollato" */
.site-header.is-stuck{
  background:var(--bone);
  padding-block:.85rem;
  box-shadow:0 1px 0 rgba(18,22,26,.09);
}
.site-header.is-stuck::before{ opacity:0; }
.site-header.is-stuck .logo--light{ opacity:0; }
.site-header.is-stuck .logo--dark{ opacity:1; }
.site-header.is-stuck .nav__list a{ color:var(--ink); }
.site-header.is-stuck .header__cta{ color:var(--ink); border-color:rgba(18,22,26,.28); }
.site-header.is-stuck .header__cta:hover{ color:var(--bone); }
.site-header.is-stuck .header__cta::after{ background:var(--ink); }
.site-header.is-stuck .burger span{ background:var(--ink); }

/* hamburger */
.burger{
  display:none; width:44px; height:44px; margin-right:-10px;
  background:none; border:0; cursor:pointer; padding:0;
  flex-direction:column; justify-content:center; align-items:flex-end; gap:7px;
}
.burger span{
  display:block; height:1px; background:var(--bone);
  transition:transform .4s var(--ease), width .4s var(--ease), background .4s var(--ease);
}
.burger span:nth-child(1){ width:26px; }
.burger span:nth-child(2){ width:18px; }
.burger[aria-expanded="true"] span:nth-child(1){ width:26px; transform:translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ width:26px; transform:translateY(-4px) rotate(-45deg); }

/* =============================================================
   HERO
   ============================================================= */
.hero{
  position:relative; min-height:100svh;
  display:flex; align-items:flex-end;
  padding-block:clamp(8rem,18vh,12rem) clamp(4.5rem,10vh,7rem);
  overflow:hidden; background:var(--ink);
}
.hero__media{ position:absolute; inset:0; z-index:0; }
.hero__media img,
.hero__media video{
  width:100%; height:100%; object-fit:cover; object-position:center 45%;
  display:block;
}
/* il video di copertina non ha lo zoom: il movimento ce l'ha già dentro */
.hero__media img{ animation:heroZoom 24s var(--ease) forwards; }
.hero__media::after{
  content:''; position:absolute; inset:0;
  background:
    linear-gradient(to top, rgba(10,13,16,.88) 0%, rgba(10,13,16,.42) 46%, rgba(10,13,16,.34) 100%),
    linear-gradient(to right, rgba(10,13,16,.55), transparent 62%);
}
@keyframes heroZoom{ from{ transform:scale(1.1); } to{ transform:scale(1); } }

.hero__inner{ position:relative; z-index:1; }
.hero__title{
  color:var(--bone);
  font-size:clamp(2rem,.95rem + 4vw,4.3rem);
  line-height:1.04; letter-spacing:-.03em; margin:0 0 1.6rem;
}
.hero__title em{ font-style:italic; font-weight:300; opacity:.92; }
.hero__lead{
  color:var(--stone-lite); max-width:44ch;
  font-size:clamp(1.02rem,.95rem + .35vw,1.2rem); margin-bottom:2.6rem;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:.9rem; }
/* sul fondo scuro dell'hero la CTA principale è chiara */
.hero .btn--solid{ --bg:var(--bone); --fg:var(--ink); --bd:var(--bone); }
.hero .btn--solid::after{ background:var(--ink); }
.hero .btn--solid:hover,.hero .btn--solid:focus-visible{ color:var(--bone); }

.hero__scroll{
  position:absolute; right:var(--pad); bottom:clamp(4.5rem,10vh,7rem); z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:.85rem;
  font-family:var(--font-display); font-size:.68rem; letter-spacing:.24em;
  text-transform:uppercase; color:var(--stone-lite);
}
.hero__scroll-line{
  width:1px; height:64px; background:rgba(244,241,236,.3); position:relative; overflow:hidden;
}
.hero__scroll-line::after{
  content:''; position:absolute; inset:0; background:var(--bone);
  animation:scrollLine 2.4s var(--ease) infinite;
}
@keyframes scrollLine{
  0%{ transform:translateY(-100%); } 55%,100%{ transform:translateY(100%); }
}

/* =============================================================
   MARQUEE
   ============================================================= */
.marquee{
  background:var(--ink); color:var(--bone);
  border-block:1px solid rgba(244,241,236,.1);
  overflow:hidden; padding-block:1.35rem;
}
.marquee:hover .marquee__track{ animation-play-state:paused; }
.marquee__track{
  display:flex; align-items:center; gap:2.6rem; width:max-content;
  animation:marquee 46s linear infinite;
}
.marquee__track span{
  font-family:var(--font-display); font-size:clamp(.9rem,.85rem + .3vw,1.1rem);
  letter-spacing:.2em; text-transform:uppercase; white-space:nowrap;
}
.marquee__track i{ font-style:normal; font-size:.5rem; color:var(--blue); opacity:.9; }
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* =============================================================
   CHI SIAMO
   ============================================================= */
.chi__grid{
  display:grid; gap:clamp(2.5rem,6vw,6rem);
  grid-template-columns:minmax(0,1fr) minmax(0,.92fr);
  align-items:start;
}
.chi__media{ position:relative; padding-bottom:clamp(3rem,9vw,7rem); }
.chi__img img{ width:100%; }
.chi__img--main img{ aspect-ratio:4/5; object-fit:cover; }
.chi__img--sub{
  position:absolute; right:-2%; bottom:0; width:clamp(190px,50%,340px);
  box-shadow:-20px -20px 40px rgba(18,22,26,.14);
}
/* niente ritaglio: la foto resta nelle sue proporzioni, così il titolo del libro si legge */
.chi__img--sub img{ width:100%; height:auto; }

.facts{
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1.5rem; margin-top:3.2rem;
  border-top:1px solid rgba(18,22,26,.14); padding-top:2rem;
}
.facts__n{
  display:block; font-family:var(--font-display); font-weight:300;
  font-size:clamp(2rem,1.4rem + 1.9vw,3.1rem); line-height:1; letter-spacing:-.03em;
}
.facts__l{
  display:block; margin-top:.55rem; font-size:.78rem;
  letter-spacing:.12em; text-transform:uppercase; color:var(--stone);
}

/* =============================================================
   SEZIONE SCURA — IDENTITÀ + VALORI
   ============================================================= */
.section--dark{ background:var(--ink); color:var(--bone); }
.identita__grid{
  display:grid; gap:clamp(2rem,5vw,5rem);
  grid-template-columns:minmax(0,1fr) minmax(0,.92fr);
  align-items:center;
}

/* --- video in colonna dentro la sezione identità --- */
.clip video{
  /* height:auto annulla l'eventuale attributo height, altrimenti il video resta alto 540px */
  width:100%; height:auto; object-fit:cover; display:block; background:var(--ink-3);
}
.identita__clip video{ aspect-ratio:4/5; }
.clip figcaption{
  margin-top:.85rem; font-family:var(--font-display); font-size:.72rem;
  letter-spacing:.18em; text-transform:uppercase; color:var(--stone-lite);
}


/* =============================================================
   FASCE VIDEO A TUTTA LARGHEZZA
   spezzano il ritmo della pagina e le danno movimento
   ============================================================= */
.filmstrip{
  position:relative; overflow:hidden; background:var(--ink);
  height:clamp(300px,42vw,560px);
  display:flex; align-items:flex-end;
}
.filmstrip--tall{ height:clamp(340px,50vw,660px); }
.filmstrip__video{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; display:block;
}
.filmstrip::after{
  content:''; position:absolute; inset:0;
  background:
    linear-gradient(to top, rgba(10,13,16,.9) 0%, rgba(10,13,16,.5) 38%, rgba(10,13,16,.08) 72%, transparent 100%),
    linear-gradient(to right, rgba(10,13,16,.45), transparent 55%);
}
.filmstrip__caption{
  position:relative; z-index:1; color:var(--bone);
  padding-bottom:clamp(1.6rem,4vw,3rem);
}
.filmstrip__label{
  display:block; font-family:var(--font-display); font-size:.72rem;
  letter-spacing:.26em; text-transform:uppercase; color:var(--blue);
  margin-bottom:.7rem;
}
.filmstrip__caption p{
  margin:0; max-width:34ch;
  font-family:var(--font-display); font-weight:300;
  font-size:clamp(1.15rem,.9rem + 1.1vw,1.9rem); line-height:1.25; letter-spacing:-.015em;
}

.valori{
  display:grid; gap:0; margin-top:clamp(4rem,9vw,7rem);
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  border-top:1px solid rgba(244,241,236,.16);
}
.valori__item{
  padding:2.4rem clamp(1rem,2vw,2rem) 2.4rem 0;
  border-bottom:1px solid rgba(244,241,236,.16);
  position:relative;
}
.valori__item + .valori__item{ padding-left:clamp(1rem,2vw,2rem); }
.valori__item + .valori__item::before{
  content:''; position:absolute; left:0; top:0; bottom:0; width:1px;
  background:rgba(244,241,236,.16);
}
.valori__n{
  font-family:var(--font-display); font-size:.7rem; letter-spacing:.24em;
  color:var(--blue); display:block; margin-bottom:1.1rem;
}
.valori__item h3{ font-size:1.28rem; margin-bottom:.6rem; letter-spacing:0; }
.valori__item p{ margin:0; color:var(--stone-lite); font-size:.95rem; }

/* =============================================================
   MISSION
   ============================================================= */
.section--mission{ background:var(--bone-2); }
.mission__grid{
  display:grid; gap:clamp(2.5rem,6vw,6rem);
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  align-items:center;
}
.mission__img{ margin:0; }
.mission__img img{ width:100%; aspect-ratio:3/2; object-fit:cover; }
.mission__quote{
  margin:0 0 1.8rem; font-family:var(--font-display); font-weight:300;
  font-size:clamp(1.8rem,1.1rem + 2.6vw,3.4rem); line-height:1.12; letter-spacing:-.025em;
  border-left:2px solid var(--blue-ink); padding-left:clamp(1.1rem,2.2vw,2rem);
}
.filiera{
  display:flex; flex-wrap:wrap; gap:.55rem; margin-top:2.4rem;
}
.filiera li{
  font-family:var(--font-display); font-size:.72rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--ink);
  border:1px solid rgba(18,22,26,.2); padding:.55rem 1rem; border-radius:999px;
}

/* =============================================================
   DIVISIONI
   ============================================================= */
.divisioni__head{ margin-bottom:clamp(3rem,7vw,6rem); }
/* titolo su due righe: il <br> è il punto di stacco, la dimensione si adatta
   alla larghezza disponibile così la prima riga non va mai a capo da sola */
.divisioni__title{ font-size:clamp(1.9rem,.6rem + 3vw,3.6rem); }
.divisioni__lead{ color:#3d444b; max-width:62ch; }

.brands{ display:grid; gap:clamp(3.5rem,8vw,8rem); }
.brand{
  display:grid; gap:clamp(1.8rem,4.5vw,4.5rem);
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  align-items:center;
}
/* nelle righe invertite le colonne si scambiano, così l'immagine
   occupa sempre la stessa larghezza: tutte le foto risultano identiche */
.brand--flip{ grid-template-columns:minmax(0,1fr) minmax(0,1.15fr); }
.brand--flip .brand__media{ order:2; }
.brand__media{ display:block; overflow:hidden; background:var(--ink); }
.brand__media img{
  width:100%; aspect-ratio:16/11; object-fit:cover;
  transition:transform 1.1s var(--ease), opacity .6s var(--ease);
}
.brand:hover .brand__media img{ transform:scale(1.045); }

.brand__n{
  font-family:var(--font-display); font-size:.72rem; letter-spacing:.26em;
  color:var(--blue-ink); display:block; margin-bottom:1.1rem;
}
.brand__name{
  font-size:clamp(1.7rem,1.1rem + 1.9vw,2.9rem);
  line-height:1.05; letter-spacing:-.025em; margin:0 0 1.6rem;
}
/* Il nome del brand è il logo ufficiale preso dal sito della divisione.
   Le altezze sono calibrate una a una per bilanciarli otticamente. */
.brand__logo{
  display:block; width:auto; max-width:min(300px,78%);
  object-fit:contain; object-position:left center;
}
.brand__logo--terrazzo    { height:clamp(34px,3.4vw,50px); }
.brand__logo--extraform   { height:clamp(52px,5.2vw,76px); max-width:min(330px,86%); }
.brand__logo--elements    { height:clamp(30px,3vw,44px); }
.brand__logo--marmogranito{ height:clamp(34px,3.4vw,50px); max-width:min(340px,88%); }
.brand__logo--tls         { height:clamp(60px,6vw,90px); max-width:min(320px,84%); }
.brand__body p{ color:#3d444b; max-width:46ch; }
.brand__meta{
  font-family:var(--font-display); font-size:.72rem; letter-spacing:.22em;
  text-transform:uppercase; color:var(--stone); margin:-.6rem 0 1.2rem;
}
.brand__body p strong{ font-weight:500; color:var(--ink); }
.brand__link{
  display:inline-flex; align-items:center; gap:.55rem; margin-top:.9rem;
  font-family:var(--font-display); font-size:.82rem; letter-spacing:.14em;
  text-transform:uppercase; padding-bottom:.45rem;
  border-bottom:1px solid rgba(18,22,26,.28);
  transition:border-color .4s var(--ease), color .4s var(--ease);
}
.brand__link .arrow{ transition:transform .4s var(--ease); display:inline-block; }
.brand__link:hover{ color:var(--blue-ink); border-color:var(--blue-ink); }
.brand__link:hover .arrow{ transform:translate(3px,-3px); }

/* =============================================================
   MATERIALI (galleria scorrevole)
   ============================================================= */
.section--materiali{ background:var(--ink); color:var(--bone); padding-bottom:clamp(4rem,8vw,7rem); }
.materiali__head{ margin-bottom:clamp(2.5rem,6vw,4.5rem); }

.gallery{ position:relative; }

/* carosello scorrevole: trascinabile col dito o col trackpad, con snap */
.gallery__track{
  display:flex; gap:clamp(.8rem,1.6vw,1.5rem);
  overflow-x:auto; overscroll-behavior-x:contain;
  padding:0 var(--pad) .25rem;
  scrollbar-width:none; -ms-overflow-style:none;
}
.gallery__track::-webkit-scrollbar{ display:none; }
.gallery__track:focus-visible{ outline:2px solid var(--focus); outline-offset:4px; }

.gallery figure{ margin:0; flex:0 0 clamp(220px,26vw,380px); }
.gallery img{ width:100%; aspect-ratio:4/3; object-fit:cover; }
.gallery figcaption{
  margin-top:.85rem; font-family:var(--font-display); font-size:.72rem;
  letter-spacing:.18em; text-transform:uppercase; color:var(--stone-lite);
}

/* frecce ai lati, sovrapposte alle immagini e centrate sulla loro altezza
   (la didascalia sta sotto, quindi il centro va alzato di circa 1,1rem) */
.gallery__btn{
  position:absolute; top:calc(50% - 1.1rem); transform:translateY(-50%); z-index:2;
  width:clamp(44px,4vw,56px); height:clamp(44px,4vw,56px);
  display:flex; align-items:center; justify-content:center;
  background:rgba(10,13,16,.6); color:var(--bone); cursor:pointer;
  border:1px solid rgba(244,241,236,.3); border-radius:50%;
  font-size:1.05rem; line-height:1;
  backdrop-filter:blur(4px);
  transition:background-color .35s var(--ease), color .35s var(--ease),
             border-color .35s var(--ease), opacity .35s var(--ease);
}
.gallery__btn--prev{ left:clamp(.5rem,1.6vw,1.4rem); }
.gallery__btn--next{ right:clamp(.5rem,1.6vw,1.4rem); }
.gallery__btn:hover:not(:disabled){ background:var(--bone); color:var(--ink); border-color:var(--bone); }
.gallery__btn:disabled{ opacity:.25; cursor:default; }

/* sfumature ai bordi: solo se in quella direzione c'è ancora contenuto */
.gallery::before,
.gallery::after{
  content:''; position:absolute; top:0; bottom:0; width:clamp(2rem,6vw,6rem);
  pointer-events:none; opacity:0; transition:opacity .4s var(--ease); z-index:1;
}
.gallery::before{ left:0;  background:linear-gradient(to right, var(--ink), transparent); }
.gallery::after { right:0; background:linear-gradient(to left,  var(--ink), transparent); }
.gallery.can-prev::before,
.gallery.can-next::after{ opacity:1; }

/* =============================================================
   CONTATTI
   ============================================================= */
.section--contatti{ background:var(--ink-2); color:var(--bone); overflow:hidden; }
.contatti__bg{ position:absolute; inset:0; z-index:0; }
.contatti__bg img{ width:100%; height:100%; object-fit:cover; opacity:.16; }
.contatti__bg::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(to right, var(--ink-2) 10%, rgba(27,33,38,.72));
}
.contatti__grid{
  position:relative; z-index:1;
  display:grid; gap:clamp(2.8rem,6vw,6rem);
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  align-items:start;
}
.contatti__lead{ color:var(--stone-lite); max-width:46ch; margin-bottom:2.8rem; }

.contatti__info{ display:grid; gap:1.7rem; }
.contatti__info .label{
  display:block; font-family:var(--font-display); font-size:.68rem;
  letter-spacing:.24em; text-transform:uppercase; color:var(--stone-lite); margin-bottom:.4rem;
}
.contatti__info a{
  display:inline-block; padding-block:.2rem;   /* area cliccabile >= 24px */
  border-bottom:1px solid transparent; transition:border-color .35s var(--ease), color .35s var(--ease);
}
.contatti__info a:hover{ color:var(--blue); border-color:currentColor; }

/* blocco di contatto diretto: mail e telefono, niente form */
/* il pulsante si allinea alla riga di testo sotto il titolo */
.contatti__azione{
  display:flex; flex-direction:column; align-items:center; gap:1.6rem;
  padding-top:clamp(4rem,15vw,13rem);
}
.contatti__cta{
  display:inline-flex; align-items:center; gap:.8rem;
  font-family:var(--font-display); font-size:clamp(.85rem,.8rem + .35vw,1.05rem);
  letter-spacing:.16em; text-transform:uppercase; color:var(--bone);
  padding:.7rem 0 .8rem; border-bottom:1px solid rgba(244,241,236,.4);
  transition:color .4s var(--ease), border-color .4s var(--ease);
}
.contatti__cta .arrow{ transition:transform .4s var(--ease); display:inline-block; }
.contatti__cta:hover{ color:var(--blue); border-color:var(--blue); }
.contatti__cta:hover .arrow{ transform:translateX(5px); }

/* =============================================================
   FOOTER
   ============================================================= */
.footer{ background:var(--ink); color:var(--bone); padding-top:clamp(3.5rem,8vw,6rem); }
.footer__grid{
  display:grid; gap:clamp(2rem,4vw,3rem);
  grid-template-columns:1.6fr repeat(3,1fr);
  padding-bottom:clamp(2.5rem,6vw,4.5rem);
}
.footer__brand img{ width:180px; margin-bottom:1.4rem; }
.footer__brand p{ color:var(--stone-lite); font-size:.92rem; max-width:30ch; }
.footer__h{
  font-size:.72rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--stone-lite); margin-bottom:1.3rem; font-weight:400;
}
.footer__col li{ margin-bottom:.65rem; font-size:.94rem; color:var(--stone-lite); }
.footer__col a{ display:inline-block; padding-block:.2rem; transition:color .3s var(--ease); }
.footer__col a:hover{ color:var(--bone); }

.footer__bottom{
  display:flex; justify-content:space-between; align-items:center; gap:1rem; flex-wrap:wrap;
  border-top:1px solid rgba(244,241,236,.14);
  padding-block:1.6rem 2rem;
  font-size:.82rem; color:var(--stone-lite);
}
.footer__bottom p{ margin:0; }
.footer__credits{ margin:0; }
.footer__credits a{
  display:inline-block; padding-block:.2rem;
  border-bottom:1px solid transparent;
  transition:color .3s var(--ease), border-color .3s var(--ease);
}
.footer__credits a:hover{ color:var(--bone); border-bottom-color:currentColor; }


/* =============================================================
   BANNER COOKIE
   ============================================================= */
.cookie-banner{
  position:fixed; left:50%; bottom:clamp(.75rem,2vw,1.5rem);
  transform:translate(-50%, calc(100% + 2rem));
  width:min(960px, calc(100% - 1.5rem));
  z-index:9000; opacity:0;
  background:var(--ink); color:var(--bone);
  border:1px solid rgba(244,241,236,.16);
  box-shadow:0 20px 60px rgba(0,0,0,.45);
  padding:clamp(1rem,2vw,1.5rem) clamp(1.25rem,2.4vw,1.75rem);
  transition:transform .48s var(--ease), opacity .32s var(--ease);
}
.cookie-banner--visible{ transform:translate(-50%,0); opacity:1; }

.cookie-banner__inner{ display:flex; flex-direction:column; gap:1.25rem; }
.cookie-banner__text{ flex:1; min-width:0; }
.cookie-banner__title{
  font-family:var(--font-display); font-size:clamp(1rem,1.4vw,1.15rem);
  letter-spacing:.02em; margin:0 0 .35rem; color:var(--bone);
}
.cookie-banner__desc{
  font-size:.8125rem; line-height:1.6; color:var(--stone-lite); margin:0;
}
.cookie-banner__desc a{
  color:var(--blue); border-bottom:1px solid rgba(46,147,200,.45);
  transition:border-color .3s var(--ease);
}
.cookie-banner__desc a:hover{ border-bottom-color:var(--blue); }

.cookie-banner__actions{ display:flex; gap:.75rem; flex-shrink:0; }
.cookie-banner__btn{
  cursor:pointer;
  font-family:var(--font-display); font-size:.6875rem; font-weight:400;
  letter-spacing:.18em; text-transform:uppercase;
  padding:.95em 1.6em; line-height:1;
  transition:background-color .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.cookie-banner__btn--secondary{
  background:transparent; color:var(--stone-lite);
  border:1px solid rgba(244,241,236,.22);
}
.cookie-banner__btn--secondary:hover{ color:var(--bone); border-color:rgba(244,241,236,.55); }
.cookie-banner__btn--primary{
  background:var(--bone); color:var(--ink); border:1px solid var(--bone);
}
.cookie-banner__btn--primary:hover{ background:transparent; color:var(--bone); }

@media (min-width:768px){
  .cookie-banner__inner{ flex-direction:row; align-items:center; gap:2rem; }
}
@media (max-width:767px){
  .cookie-banner__actions{ flex-direction:column-reverse; width:100%; }
  .cookie-banner__btn{ width:100%; }
}

.footer__cookie-pref{
  background:none; border:0; padding:.2rem 0; cursor:pointer;
  color:inherit; font:inherit; text-align:left;
  transition:color .3s var(--ease);
}
.footer__cookie-pref:hover{ color:var(--bone); }

/* =============================================================
   REVEAL
   ============================================================= */
.reveal{
  opacity:0; transform:translateY(26px);
  transition:opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-in{ opacity:1; transform:none; }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width:1080px){
  .chi__grid,
  .identita__grid,
  .mission__grid,
  .brand,
  .contatti__grid{ grid-template-columns:1fr; }

  .brand--flip{ grid-template-columns:1fr; }
  .brand--flip .brand__media{ order:0; }
  .footer__grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width:860px){
  .header__cta{ display:none; }
  .lang{ margin-left:auto; }          /* su mobile lo switch resta accanto al menu */
  .burger{ display:flex; margin-left:.4rem; }

  .nav{
    position:fixed; inset:0; margin:0;
    background:var(--ink);
    display:flex; align-items:center; justify-content:center;
    clip-path:circle(0 at calc(100% - 42px) 42px);
    transition:clip-path .7s var(--ease);
    pointer-events:none;
  }
  .nav.is-open{ clip-path:circle(150% at calc(100% - 42px) 42px); pointer-events:auto; }
  .nav__list{ flex-direction:column; gap:1.6rem; text-align:center; }
  .nav__list a{ color:var(--bone) !important; font-size:1.55rem; letter-spacing:.08em; }
  .site-header.is-stuck .nav__list a{ color:var(--bone); }

  .hero{ align-items:flex-end; }
  .hero__scroll{ display:none; }

  /* su mobile la foto piccola scende sotto invece di sovrapporsi */
  .chi__media{ padding-bottom:0; }
  .chi__img--sub{ position:static; width:100%; margin-top:1rem; box-shadow:none; }

  .valori__item,
  .valori__item + .valori__item{ padding-left:0; padding-right:0; }
  .valori__item + .valori__item::before{ display:none; }

  .footer__grid{ grid-template-columns:1fr; }
}

@media (max-width:520px){
  .facts{ grid-template-columns:1fr; gap:1.4rem; }
  .hero__actions .btn{ flex:1 1 100%; }
  .identita__clip video{ aspect-ratio:3/4; }
}

/* ---------- Accessibilità: movimento ridotto ---------- */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.01ms !important; animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .reveal{ opacity:1; transform:none; }
  .hero__media img{ animation:none; }
}

/* ---------- Stampa ---------- */
@media print{
  .site-header,.hero__scroll,.marquee,.gallery{ display:none; }
  body{ background:#fff; color:#000; }
  .section{ padding-block:2rem; }
  .reveal{ opacity:1; transform:none; }
}