/* ============================================================
   INTERNO VIVO — foglio di stile
   Palette monocromatica, tipografia Jost, foto protagoniste.
   ============================================================ */

:root{
  --ink:        #14150f;
  --ink-2:      #3d3f38;
  --ink-3:      #757770;
  --paper:      #ffffff;
  --paper-2:    #f6f4f1;
  --paper-3:    #ece8e3;
  --line:       #e0dcd6;
  --wa:         #1f9c53;

  --wrap: 1240px;
  --pad: clamp(1.25rem, 5vw, 3rem);
  --gap: clamp(1.25rem, 3vw, 2.25rem);

  --r: 2px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --fs-over: .72rem;
  --fs-h1: clamp(2.6rem, 8.5vw, 6.2rem);
  --fs-h2: clamp(1.9rem, 4.2vw, 3.3rem);
  --fs-h3: clamp(1.05rem, 1.6vw, 1.28rem);
  --fs-lead: clamp(1.02rem, 1.45vw, 1.24rem);
  --fs-body: 1rem;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Jost', ui-sans-serif, system-ui, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-weight:300;
  font-size:var(--fs-body);
  line-height:1.66;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; }

h1,h2,h3{ font-weight:200; line-height:1.06; letter-spacing:-.02em; margin:0; }
h1{ font-size:var(--fs-h1); }
h2{ font-size:var(--fs-h2); }
h3{ font-size:var(--fs-h3); font-weight:400; line-height:1.3; letter-spacing:0; }
h1 em, h2 em{ font-style:italic; font-weight:600; }

p{ margin:0 0 1em; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }
.wrap-narrow{ max-width:820px; }
.center{ text-align:center; }

.skip{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--ink); color:#fff; padding:.7rem 1.1rem;
}
.skip:focus{ left:.5rem; top:.5rem; }

:focus-visible{ outline:2px solid var(--ink); outline-offset:3px; }


/* ---------- LOGO ---------- */
.logo{
  display:inline-flex; align-items:baseline; gap:.06em;
  text-decoration:none; line-height:1; white-space:nowrap;
  font-size:clamp(1.15rem, 2.2vw, 1.45rem);
}
.logo-a{ font-weight:200; letter-spacing:.06em; }
.logo-b{ font-weight:700; font-style:italic; letter-spacing:-.01em; margin-left:-.12em; }


/* ---------- HEADER ---------- */
.site-head{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), color .4s var(--ease);
  color:#fff;
}
.site-head.is-solid{
  background:rgba(255,255,255,.93);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  box-shadow:0 1px 0 var(--line);
  color:var(--ink);
}
.head-inner{
  display:flex; align-items:center; gap:var(--gap);
  height:74px;
}
.nav{ margin-left:auto; display:flex; gap:clamp(1rem,2.2vw,2rem); }
.nav a{
  text-decoration:none; font-size:.86rem; letter-spacing:.09em;
  text-transform:uppercase; font-weight:400; opacity:.85;
  position:relative; padding-block:.35rem;
}
.nav a::after{
  content:''; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background:currentColor; transition:right .35s var(--ease);
}
.nav a:hover{ opacity:1; }
.nav a:hover::after{ right:0; }

.burger{
  display:none; margin-left:auto; width:44px; height:44px;
  background:none; border:0; cursor:pointer; color:inherit;
  flex-direction:column; justify-content:center; gap:6px; align-items:flex-end;
}
.burger span{ display:block; width:26px; height:1px; background:currentColor; transition:transform .3s var(--ease), opacity .3s; }
.burger[aria-expanded="true"] span:first-child{ transform:translateY(3.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child{ transform:translateY(-3.5px) rotate(-45deg); width:26px; }

.mobile-nav{
  display:none; flex-direction:column;
  background:var(--paper); border-top:1px solid var(--line);
  padding:.5rem var(--pad) 1.4rem;
}
.mobile-nav a{
  color:var(--ink); text-decoration:none; padding:.85rem 0;
  border-bottom:1px solid var(--line);
  font-size:1.05rem; letter-spacing:.04em;
}
.mobile-nav a:last-child{ border-bottom:0; }


/* ---------- BOTTONI ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.95rem 1.9rem; border-radius:var(--r);
  background:var(--ink); color:var(--paper);
  text-decoration:none; border:1px solid var(--ink);
  font-size:.85rem; letter-spacing:.11em; text-transform:uppercase; font-weight:400;
  cursor:pointer; transition:background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}
.btn:hover{ background:transparent; color:var(--ink); transform:translateY(-2px); }
.btn-ghost{ background:transparent; color:currentColor; border-color:currentColor; }
.btn-ghost:hover{ background:var(--ink); color:var(--paper); border-color:var(--ink); }
.btn-light{ background:var(--paper); color:var(--ink); border-color:var(--paper); }
.btn-light:hover{ background:transparent; color:var(--paper); }
.btn-sm{ padding:.6rem 1.15rem; font-size:.72rem; }
.btn-big{ padding:1.15rem 2.6rem; font-size:.92rem; }
.btn-full{ width:100%; margin-top:auto; }

.site-head .btn-sm{ background:transparent; color:currentColor; border-color:currentColor; }
.site-head .btn-sm:hover{ background:currentColor; }
.site-head.is-solid .btn-sm:hover{ color:var(--paper); }


/* ---------- HERO ---------- */
.hero{ position:relative; color:#fff; }
.hero-media{ position:absolute; inset:0; overflow:hidden; background:var(--ink); }
.hero-media img{
  width:100%; height:100%; object-fit:cover; object-position:center;
  transform:scale(1.06); animation:heroIn 2.4s var(--ease) forwards;
}
@keyframes heroIn{ to{ transform:scale(1); } }
@media (prefers-reduced-motion:reduce){ .hero-media img{ animation:none; transform:none; } }

.hero-media::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,10,8,.52) 0%, rgba(10,10,8,.26) 42%, rgba(10,10,8,.72) 100%);
}

.hero-body{
  position:relative;
  min-height:100svh;
  display:flex; flex-direction:column; justify-content:center;
  padding-block:clamp(7rem,14vh,10rem) clamp(9rem,18vh,12rem);
  max-width:var(--wrap);
}
.hero-body .lead{ max-width:44ch; }
.hero h1{ margin:.35em 0 .5em; }
/* Sottotitolo dentro l'h1: serve a Google, ma resta leggibile per chi guarda */
.h1-sub{
  display:block; margin-top:.55em; max-width:34ch;
  font-size:clamp(.98rem, 1.35vw, 1.18rem);
  font-weight:300; font-style:normal; line-height:1.5; letter-spacing:0;
  color:rgba(255,255,255,.92);
}
.hero-cta{ display:flex; flex-wrap:wrap; gap:.9rem; margin-top:1.4rem; }

.over{
  font-size:var(--fs-over); text-transform:uppercase; letter-spacing:.24em;
  font-weight:400; opacity:.72; margin:0 0 1.4rem;
}
.lead{ font-size:var(--fs-lead); font-weight:300; }

.facts{
  position:relative;
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px; background:rgba(255,255,255,.22);
  border-top:1px solid rgba(255,255,255,.22);
  margin-bottom:0;
}
.facts > div{
  background:rgba(20,21,15,.55);
  backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
  padding:1.4rem clamp(.9rem,2vw,1.6rem);
  display:flex; flex-direction:column; gap:.2rem;
}
.facts strong{ font-weight:400; font-size:clamp(.95rem,1.5vw,1.15rem); letter-spacing:.01em; }
.facts span{ font-size:.78rem; letter-spacing:.06em; opacity:.7; text-transform:uppercase; }


/* ---------- SEZIONI ---------- */
.sec{ padding-block:clamp(4.5rem, 11vw, 9rem); }
.sec-alt{ background:var(--paper-2); }
.sec-dark{ background:var(--ink); color:var(--paper); }
.sec h2{ margin-bottom:1.2em; }
.sec .intro{ max-width:56ch; color:var(--ink-2); margin-top:-1.8em; margin-bottom:3rem; font-size:var(--fs-lead); }

.grid-3{
  display:grid; gap:var(--gap);
  grid-template-columns:repeat(auto-fit, minmax(min(100%, 270px), 1fr));
}

.card .num{
  display:block; font-size:.75rem; letter-spacing:.2em;
  color:var(--ink-3); margin-bottom:1rem;
  border-top:1px solid var(--line); padding-top:1rem;
}
.card h3{ margin-bottom:.7rem; }
.card p{ color:var(--ink-2); margin:0; }


/* ---------- PORTFOLIO ---------- */
.progetto{ padding-block:clamp(2.2rem,5vw,3.6rem); }
.progetto + .progetto{ border-top:1px solid var(--line); }
.progetto.is-hidden{ display:none; }

.progetto-head{
  display:flex; align-items:baseline; justify-content:space-between;
  gap:1rem 2rem; flex-wrap:wrap; margin-bottom:1.8rem;
}
.progetto-meta{
  margin:0 0 .35rem; font-size:.74rem; letter-spacing:.2em;
  text-transform:uppercase; color:var(--ink-3);
}
.progetto-head h3{
  font-size:clamp(1.35rem,2.6vw,1.95rem); font-weight:200; letter-spacing:-.015em;
}
.progetto-luogo{ color:var(--ink-3); font-weight:300; }
.progetto-n{
  font-size:.78rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink-3); white-space:nowrap;
}

.filtri{ display:flex; flex-wrap:wrap; gap:.5rem; margin:0 0 1rem; }
.filtro{
  border:1px solid var(--line); background:transparent; color:var(--ink-2);
  padding:.5rem 1.1rem; border-radius:100px; cursor:pointer;
  font-family:inherit; font-size:.78rem; letter-spacing:.1em; text-transform:uppercase;
  transition:all .3s var(--ease);
}
.filtro:hover{ border-color:var(--ink); color:var(--ink); }
.filtro.is-on{ background:var(--ink); border-color:var(--ink); color:var(--paper); }

.galleria{
  columns:3 260px;
  column-gap:clamp(.6rem, 1.4vw, 1.1rem);
}
.shot{
  break-inside:avoid; margin:0 0 clamp(.6rem,1.4vw,1.1rem);
  padding:0; border:0; background:var(--paper-3); cursor:zoom-in;
  display:block; width:100%; position:relative; overflow:hidden;
  border-radius:var(--r);
}
.shot img{
  width:100%; height:auto;
  transition:transform .8s var(--ease), filter .5s var(--ease);
}
.shot:hover img{ transform:scale(1.045); }
.shot::after{
  content:''; position:absolute; inset:0;
  background:rgba(20,21,15,.14); opacity:0; transition:opacity .4s var(--ease);
}
.shot:hover::after{ opacity:1; }
.shot.is-hidden{ display:none; }

.galleria-vuota{
  border:1px dashed var(--line); padding:2.5rem; text-align:center; color:var(--ink-3);
}
.galleria-vuota code{ font-size:.9em; background:var(--paper-3); padding:.15em .4em; }


/* ---------- LISTINI ---------- */
.listini{
  display:grid; gap:var(--gap); align-items:stretch;
  grid-template-columns:repeat(auto-fit, minmax(min(100%, 270px), 1fr));
}
.listini-nota{
  margin:2.6rem 0 0; max-width:72ch;
  color:var(--ink-2); font-size:.97rem;
}
.listini-nota a{ color:var(--ink); text-decoration:none; border-bottom:1px solid var(--ink); }

/* Il drone e' un aggiuntivo, non un pacchetto: si distingue senza urlare */
.listino-extra{ background:var(--paper-2); border-style:dashed; }
.badge-soft{
  background:var(--paper); color:var(--ink);
  border:1px solid var(--ink);
}
.listino{
  display:flex; flex-direction:column;
  border:1px solid var(--line); padding:clamp(1.6rem,3vw,2.4rem);
  background:var(--paper); position:relative;
  transition:border-color .35s var(--ease), transform .35s var(--ease);
}
.listino:hover{ border-color:var(--ink); transform:translateY(-4px); }
.listino.is-top{ border-color:var(--ink); }
.badge{
  position:absolute; top:0; left:50%; transform:translate(-50%,-50%);
  background:var(--ink); color:var(--paper);
  font-size:.66rem; letter-spacing:.18em; text-transform:uppercase;
  padding:.4rem .9rem; white-space:nowrap;
}
.listino .prezzo{
  font-size:clamp(1.6rem,2.6vw,2.1rem); font-weight:200; margin:.5rem 0 .1rem;
  letter-spacing:-.02em;
}
.listino .prezzo:empty{ display:none; }
.listino .target{ color:var(--ink-3); font-size:.88rem; margin-bottom:1.6rem; }
.listino ul{ list-style:none; margin:0 0 2rem; padding:0; }
.listino li{
  padding:.55rem 0 .55rem 1.5rem; border-bottom:1px solid var(--line);
  position:relative; font-size:.95rem; color:var(--ink-2);
}
.listino li::before{
  content:''; position:absolute; left:0; top:1.28em;
  width:8px; height:1px; background:var(--ink);
}
.extra-altri{
  margin:1.8rem 0 0; padding-top:1.5rem; border-top:1px solid var(--line);
  color:var(--ink-2); font-size:.93rem; max-width:78ch;
}
.extra-altri strong{ font-weight:500; color:var(--ink); }


/* ---------- PASSI ---------- */
.passi{
  list-style:none; margin:0; padding:0;
  display:grid; gap:var(--gap);
  grid-template-columns:repeat(auto-fit, minmax(min(100%,230px),1fr));
  counter-reset:p;
}
.passi li{ position:relative; padding-top:2.6rem; border-top:1px solid var(--line); }
.passo-n{
  position:absolute; top:1rem; left:0;
  font-size:.75rem; letter-spacing:.2em; color:var(--ink-3);
}
.passi h3{ margin-bottom:.6rem; }
.passi p{ color:var(--ink-2); margin:0; font-size:.96rem; }


/* ---------- CITAZIONE ---------- */
.quote-sec{ background:var(--paper); text-align:center; }
.quote-sec blockquote{ margin:0; padding:0; }
.quote-sec blockquote p{
  font-size:clamp(1.4rem,3.4vw,2.5rem); font-weight:200; font-style:italic;
  line-height:1.32; letter-spacing:-.015em; max-width:22ch; margin-inline:auto;
}
.quote-cta{ margin-top:2.6rem; }


/* ---------- INSTAGRAM ---------- */
.social-head{
  display:flex; align-items:baseline; justify-content:space-between;
  gap:1rem 2rem; flex-wrap:wrap; margin-bottom:2.2rem;
}
.social-head h2{ margin:0; }

.social-griglia{
  display:grid; gap:clamp(.5rem, 1.2vw, .9rem);
  grid-template-columns:repeat(4, 1fr);
}
.social-tile{
  display:block; position:relative; overflow:hidden;
  aspect-ratio:4/5; background:var(--paper-3); border-radius:var(--r);
}
.social-tile img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .7s var(--ease);
}
.social-tile:hover img{ transform:scale(1.06); }
.social-tile::after{
  content:''; position:absolute; inset:0;
  background:rgba(20,21,15,.16); opacity:0; transition:opacity .4s var(--ease);
}
.social-tile:hover::after{ opacity:1; }

@media (max-width: 780px){ .social-griglia{ grid-template-columns:repeat(2, 1fr); } }


/* ---------- FAQ ---------- */
.faq details{ border-bottom:1px solid var(--line); }
.faq details:first-of-type{ border-top:1px solid var(--line); }
.faq summary{
  cursor:pointer; list-style:none; padding:1.35rem 2.5rem 1.35rem 0;
  position:relative; font-size:clamp(1rem,1.7vw,1.15rem); font-weight:400;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:''; position:absolute; right:.4rem; top:50%;
  width:12px; height:1px; background:var(--ink);
  box-shadow:0 0 0 0 transparent;
  transition:transform .3s var(--ease);
}
.faq summary::before{
  content:''; position:absolute; right:.4rem; top:50%;
  width:12px; height:1px; background:var(--ink);
  transform:rotate(90deg); transition:transform .3s var(--ease), opacity .3s;
}
.faq details[open] summary::before{ transform:rotate(0deg); opacity:0; }
.faq details p{ margin:0 0 1.6rem; color:var(--ink-2); max-width:70ch; }


/* ---------- CONTATTI ---------- */
.sec-dark .over{ opacity:.6; }
.sec-dark .lead{ color:rgba(255,255,255,.78); max-width:52ch; margin-inline:auto; }
.contatti-cta{ margin:2.6rem 0 2rem; }
.contatti-lista{
  list-style:none; display:flex; flex-wrap:wrap; gap:.6rem 2rem;
  justify-content:center; padding:0; margin:0;
  font-size:.86rem; letter-spacing:.08em; text-transform:uppercase;
}
.contatti-lista a{ color:rgba(255,255,255,.7); text-decoration:none; border-bottom:1px solid rgba(255,255,255,.28); padding-bottom:2px; transition:color .3s, border-color .3s; }
.contatti-lista a:hover{ color:#fff; border-color:#fff; }


/* ---------- FOOTER ---------- */
.site-foot{ background:var(--ink); color:rgba(255,255,255,.62); padding-block:3rem 4rem; border-top:1px solid rgba(255,255,255,.12); }
.foot-inner{ display:flex; flex-direction:column; gap:1.1rem; align-items:flex-start; }
.logo-foot{ color:#fff; }
.foot-meta{ margin:0; font-size:.9rem; line-height:1.7; }
.foot-note{ margin:0; font-size:.78rem; opacity:.6; }


/* ---------- FAB WHATSAPP ---------- */
.fab{
  position:fixed; right:clamp(1rem,3vw,2rem); bottom:clamp(1rem,3vw,2rem); z-index:90;
  display:inline-flex; align-items:center; gap:.6rem;
  background:var(--wa); color:#fff; text-decoration:none;
  padding:.85rem 1.35rem; border-radius:100px;
  box-shadow:0 10px 30px rgba(20,21,15,.28);
  font-size:.85rem; letter-spacing:.1em; text-transform:uppercase;
  opacity:0; transform:translateY(20px) scale(.95); pointer-events:none;
  transition:opacity .45s var(--ease), transform .45s var(--ease), background .3s;
}
.fab.is-on{ opacity:1; transform:none; pointer-events:auto; }
.fab:hover{ background:#188544; }


/* ---------- LIGHTBOX ---------- */
.lightbox{
  position:fixed; inset:0; z-index:150;
  background:rgba(14,15,10,.95);
  display:flex; align-items:center; justify-content:center;
  padding:clamp(1rem,4vw,3rem);
  opacity:0; transition:opacity .3s var(--ease);
}
.lightbox.is-on{ opacity:1; }
.lb-figure{ margin:0; max-width:100%; max-height:100%; display:flex; flex-direction:column; gap:.9rem; align-items:center; }
.lb-figure img{
  max-width:100%; max-height:82svh; object-fit:contain;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.lb-figure figcaption{ color:rgba(255,255,255,.65); font-size:.85rem; letter-spacing:.06em; text-align:center; }

.lightbox button{
  position:absolute; background:none; border:0; color:#fff; cursor:pointer;
  font-family:inherit; line-height:1; opacity:.65; transition:opacity .25s, transform .25s;
  display:flex; align-items:center; justify-content:center;
}
.lightbox button:hover{ opacity:1; }
.lb-close{ top:clamp(.6rem,2vw,1.6rem); right:clamp(.6rem,2vw,1.6rem); font-size:2.6rem; width:52px; height:52px; }
.lb-prev,.lb-next{ top:50%; transform:translateY(-50%); font-size:3.4rem; width:60px; height:70px; }
.lb-prev{ left:clamp(.2rem,1.5vw,1.2rem); }
.lb-next{ right:clamp(.2rem,1.5vw,1.2rem); }
.lb-prev:hover{ transform:translateY(-50%) translateX(-3px); }
.lb-next:hover{ transform:translateY(-50%) translateX(3px); }

body.no-scroll{ overflow:hidden; }


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


/* ---------- RESPONSIVE ---------- */
@media (max-width: 940px){
  .nav{ display:none; }
  .site-head .btn-sm{ display:none; }
  .burger{ display:flex; }
  .mobile-nav{ display:none; }
  .mobile-nav.is-open{ display:flex; }
  .site-head:has(.mobile-nav.is-open){ background:var(--paper); color:var(--ink); box-shadow:0 1px 0 var(--line); }
  .facts{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 620px){
  .hero-body{ min-height:92svh; padding-bottom:7rem; }
  .facts{ grid-template-columns:1fr 1fr; }
  .facts > div{ padding:1.1rem; }
  .galleria{ columns:2 150px; }
  .fab span{ display:none; }
  .fab{ padding:.95rem; }
  .lb-prev,.lb-next{ font-size:2.6rem; width:44px; }
}