:root{--ink:#1f2b34;--navy:#17324a;--sand:#f5f1ea;--line:#ddd5ca;--gold:#c9964c;--white:#fff;--muted:#6e7478}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;background:#fff}img,video{max-width:100%;display:block}h1,h2,h3{font-family:Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:-.025em}.site-header{position:fixed;z-index:50;inset:0 0 auto 0;height:76px;padding:0 4.5vw;display:flex;align-items:center;justify-content:space-between;background:rgba(250,249,247,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(31,43,52,.08)}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--navy)}.brand img{width:88px;height:52px;object-fit:contain}.brand span{font-family:Georgia,serif;font-size:18px;line-height:.9}.nav{display:flex;gap:24px;align-items:center}.nav a{text-decoration:none;color:var(--ink);font-size:13px}.menu-toggle{display:none;border:0;background:transparent;font-size:16px}.hero{height:118vh;min-height:820px;position:relative;overflow:hidden;background:#0d1f2d}.hero-video{width:100%;height:100%;object-fit:cover;object-position:center 38%}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,27,40,.78),rgba(13,27,40,.22) 62%,rgba(13,27,40,.03))}.hero-copy{position:absolute;left:6vw;top:50%;transform:translateY(-44%);color:#fff;max-width:620px}.hero-logo{width:210px;max-height:88px;object-fit:contain;object-position:left center;filter:brightness(0) invert(1);margin-bottom:28px}.eyebrow,.section-number{font-size:11px;text-transform:uppercase;letter-spacing:.2em;color:#a77d3e}.eyebrow.light{color:#f2d1a0}.hero h1{font-size:clamp(72px,9vw,126px);line-height:.78;margin:18px 0;color:#fff}.hero-lead{font:21px/1.5 Georgia,serif;max-width:560px}.hero-actions{display:flex;gap:22px;align-items:center;margin-top:28px}.btn{display:inline-flex;padding:14px 20px;border-radius:2px;text-decoration:none;font-size:12px;letter-spacing:.08em;text-transform:uppercase}.btn-light{background:#fff;color:var(--navy)}.text-link{text-decoration:none;font-size:13px}.text-link.light{color:#fff}.hero-coordinate{position:absolute;right:4vw;bottom:26px;color:#fff;font-size:11px;letter-spacing:.2em}.section{padding:95px 6vw}.section-number{margin-bottom:34px}.split-heading{display:grid;grid-template-columns:1.05fr .95fr;gap:7vw;align-items:start}.split-heading.compact{align-items:end}.split-heading h2{font-size:clamp(46px,5.5vw,76px);line-height:.92;margin:0;color:var(--navy)}.split-heading p,.intro-copy p{font-size:16px;line-height:1.75}.facts{display:grid;grid-template-columns:repeat(4,1fr);margin-top:55px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.facts div{padding:28px;border-right:1px solid var(--line)}.facts div:last-child{border-right:0}.facts strong{display:block;font:44px Georgia,serif;color:var(--navy)}.facts span{font-size:13px;color:var(--muted)}.architecture{background:var(--sand)}.daynight-frame{position:relative;margin-top:46px;overflow:hidden;box-shadow:0 24px 60px rgba(22,39,55,.12)}.daynight-frame>img{width:100%;height:72vh;min-height:520px;object-fit:cover}.daynight-toggle{position:absolute;right:20px;top:20px;display:flex;padding:5px;background:rgba(255,255,255,.93);box-shadow:0 8px 26px rgba(0,0,0,.12)}.daynight-toggle button{border:0;background:transparent;padding:11px 18px;cursor:pointer;color:var(--navy)}.daynight-toggle button.active{background:var(--navy);color:#fff}.daynight-label{position:absolute;left:20px;bottom:20px;background:rgba(17,44,67,.9);color:#fff;padding:11px 16px;font-size:11px;letter-spacing:.15em;text-transform:uppercase}.home-names{display:grid;grid-template-columns:1fr 1fr;gap:12px 18px;margin-top:28px}.home-names span{border-top:1px solid var(--line);padding-top:12px}.home-names b{margin-right:12px;color:#b98a45}.plan-tabs,.tour-tabs{display:flex;gap:0;margin:42px 0 25px}.plan-tab,.tour-tab{border:1px solid var(--line);background:#fff;padding:12px 20px;cursor:pointer}.plan-tab.active,.tour-tab.active{background:var(--navy);color:#fff}.plan-layout{display:grid;grid-template-columns:1.35fr .65fr;background:#faf9f7;border:1px solid var(--line)}.plan-frame{padding:28px;background:#fff;display:flex;align-items:center;justify-content:center;min-height:630px}.plan-frame img{max-height:590px;width:100%;object-fit:contain}.plan-copy{padding:48px}.plan-copy h3{font-size:38px;color:var(--navy);margin:14px 0}.plan-copy p,.plan-copy li{line-height:1.7}.tour{background:#faf9f7}.tour-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:stretch}.interactive-plan{position:relative;background:#fff;border:1px solid var(--line);padding:20px;min-height:650px;display:flex;align-items:center;justify-content:center}.interactive-plan>img{max-height:610px;width:100%;object-fit:contain}.plan-point{position:absolute;transform:translate(-50%,-50%);width:32px;height:32px;border-radius:50%;border:2px solid #fff;background:#c99549;color:#fff;font-weight:700;box-shadow:0 5px 18px rgba(0,0,0,.26);cursor:pointer}.plan-point.active{background:var(--navy)}.tour-viewer{margin:0;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column}.tour-viewer img{width:100%;height:590px;object-fit:cover}.tour-viewer figcaption{display:flex;justify-content:space-between;padding:18px 20px}.tour-viewer figcaption span{font:20px Georgia,serif;color:var(--navy)}.tour-viewer small{text-transform:uppercase;letter-spacing:.15em;color:#8b8b8b}.exterior-gallery{background:#fff}.outdoor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}.outdoor-card{margin:0;border:1px solid var(--line);background:#fff}.outdoor-card img{width:100%;height:360px;object-fit:cover}.outdoor-card:nth-child(2) img{object-fit:contain;background:#fff}.outdoor-card figcaption{padding:22px}.outdoor-card figcaption span{font-size:11px;letter-spacing:.18em;color:#b28544}.outdoor-card h3{font-size:32px;color:var(--navy);margin:7px 0}.outdoor-card p{line-height:1.6;margin:0}.specs{background:var(--sand)}.construction-showcase{display:grid;gap:22px;margin-top:48px}.construction-card{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--line);min-height:360px}.construction-card.reverse img{order:2}.construction-card img{width:100%;height:100%;min-height:360px;object-fit:cover;background:#fff}.construction-card>div{padding:44px;display:flex;flex-direction:column;justify-content:center}.construction-card h3{font-size:40px;margin:12px 0;color:var(--navy)}.construction-card p{line-height:1.7}.spec-no{font-size:10px;letter-spacing:.18em;color:#a77d3e}.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:28px;border-left:1px solid var(--line);border-top:1px solid var(--line)}.spec-card{padding:26px;min-height:190px;background:#fff;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.spec-card.accent{background:var(--navy);color:#fff}.spec-card h3{font-size:25px;margin:12px 0;color:var(--navy)}.spec-card.accent h3,.spec-card.accent .spec-no{color:#fff}.spec-card p{font-size:14px;line-height:1.6}.fineprint{font-size:11px;line-height:1.6;color:#777;margin-top:18px}.interior-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:42px}.interior-grid figure{margin:0;position:relative}.interior-grid img{width:100%;height:340px;object-fit:cover}.interior-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:36px 15px 15px;background:linear-gradient(transparent,rgba(0,0,0,.65));color:#fff;font-family:Georgia,serif}.location{min-height:650px;position:relative;display:flex;align-items:center;background:url('assets/terrazza.webp') center/cover}.location::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,29,43,.82),rgba(10,29,43,.25))}.location-copy{position:relative;color:#fff;padding:8vw 6vw;max-width:650px}.location-copy h2{font-size:72px;line-height:.92;color:#fff;margin:10px 0 20px}.location-copy p{font:19px/1.55 Georgia,serif}.contacts{background:#fff}.contact-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px}.developer-card,.agency-card{border:1px solid var(--line);padding:34px;background:#fbfaf8}.pitagora-logo{display:block;width:min(100%,380px);max-height:120px;object-fit:contain;margin:20px auto}.gp-logo-wrap{min-height:170px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid rgba(31,43,52,.08);margin:20px 0}.gp-logo{width:150px;max-height:145px;object-fit:contain}.agency-card h2,.agency-name{text-align:center}.agency-card h2{font-size:42px;color:var(--navy);margin:12px 0}.contact-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:22px 0}.contact-btn{padding:12px 15px;border:1px solid var(--navy);text-decoration:none;color:var(--navy)}.contact-meta{text-align:center;line-height:1.7}.contact-meta a{color:var(--navy)}.closing{text-align:center;background:#faf9f7}.closing h2{font-size:72px;line-height:.9;color:var(--navy);margin:12px 0}.footer{display:grid;grid-template-columns:1fr 1fr 2fr;gap:30px;padding:42px 6vw;background:#162c3e;color:#fff;font-size:12px}.footer strong{letter-spacing:.12em}.footer p{line-height:1.6}.footer-note{opacity:.7}
@media(max-width:1000px){.nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:22px 5vw;flex-direction:column;align-items:flex-start}.nav.open{display:flex}.menu-toggle{display:block}.split-heading{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}.plan-layout,.tour-layout{grid-template-columns:1fr}.outdoor-grid{grid-template-columns:1fr}.spec-grid{grid-template-columns:1fr 1fr}.interior-grid{grid-template-columns:1fr 1fr}.construction-card{grid-template-columns:1fr}.construction-card.reverse img{order:0}.contact-layout{grid-template-columns:1fr}.footer{grid-template-columns:1fr}.daynight-frame>img{height:55vh}.tour-viewer img{height:auto}.interactive-plan{min-height:520px}}
@media(max-width:650px){.site-header{height:66px}.brand img{width:68px}.brand span{font-size:15px}.nav{top:66px}.hero{min-height:680px}.hero-copy{left:22px;right:22px}.hero-logo{width:170px}.hero h1{font-size:58px}.hero-lead{font-size:18px}.hero-actions{flex-direction:column;align-items:flex-start}.section{padding:70px 22px}.facts{grid-template-columns:1fr}.facts div{border-right:0;border-bottom:1px solid var(--line)}.home-names{grid-template-columns:1fr}.plan-frame{min-height:420px;padding:12px}.plan-copy{padding:28px}.interactive-plan{min-height:390px;padding:10px}.spec-grid{grid-template-columns:1fr}.interior-grid{grid-template-columns:1fr}.interior-grid img{height:310px}.location-copy{padding:90px 22px}.location-copy h2,.closing h2{font-size:48px}.construction-card>div{padding:28px}.construction-card h3{font-size:32px}.daynight-toggle{right:10px;top:10px}.daynight-frame>img{min-height:380px;height:50vh}}

@media(max-width:1000px){.hero{height:105vh;min-height:720px}.hero-video{object-position:center 40%}}
@media(max-width:650px){.hero{height:100vh;min-height:680px}.hero-video{object-position:center 42%}}

.facts.facts-three{grid-template-columns:repeat(3,1fr)}
.facts.facts-four{grid-template-columns:repeat(4,1fr)}
.facts.facts-three strong,.facts.facts-four strong{font-size:clamp(26px,2.7vw,42px)}
.facts.facts-three span b,.facts.facts-four span b{display:inline-block;color:var(--navy);font-weight:700;letter-spacing:.03em}
.facts.facts-three span small,.facts.facts-four span small{display:block;margin-top:5px;font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#8b8b8b}
.sound-toggle{position:absolute;left:4vw;bottom:24px;z-index:5;display:flex;align-items:center;gap:9px;border:1px solid rgba(255,255,255,.65);background:rgba(9,28,42,.48);backdrop-filter:blur(8px);color:#fff;padding:10px 14px;cursor:pointer;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.sound-toggle:hover{background:rgba(9,28,42,.68)}
.sound-icon{font-size:16px}
@media(max-width:1000px){.facts.facts-three{grid-template-columns:1fr 1fr 1fr}.facts.facts-four{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.facts.facts-three,.facts.facts-four{grid-template-columns:1fr}.sound-toggle{left:22px;bottom:48px}.hero-coordinate{bottom:20px}}

/* V9 - riepilogo simmetrico */
.facts.facts-four{align-items:stretch}
.facts.facts-four>div{min-height:150px;padding:24px 18px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px}
.facts.facts-four strong{font-size:clamp(24px,2.3vw,38px);line-height:1.03;text-transform:uppercase;min-height:2.08em;display:flex;align-items:center;justify-content:center}
.facts.facts-four span{line-height:1.35;min-height:2.7em;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}
.facts.facts-four span small{margin-top:6px}
@media(max-width:1000px){.facts.facts-four>div{min-height:145px}}
@media(max-width:650px){.facts.facts-four>div{min-height:auto}.facts.facts-four strong,.facts.facts-four span{min-height:0}}

/* V11 - capitolato interattivo */
.materials-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:46px;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.material-tile{appearance:none;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;min-height:190px;padding:28px;text-align:left;display:flex;flex-direction:column;justify-content:flex-end;gap:8px;cursor:pointer;color:var(--ink);transition:background .25s ease,color .25s ease,transform .25s ease}
.material-tile span{font-size:10px;letter-spacing:.18em;color:#a77d3e;transition:color .25s ease}
.material-tile strong{font:24px/1.05 Georgia,'Times New Roman',serif;color:var(--navy);transition:color .25s ease}
.material-tile small{font-size:12px;line-height:1.4;color:var(--muted);transition:color .25s ease}
.material-tile:hover,.material-tile:focus-visible{background:var(--navy);color:#fff;outline:none}
.material-tile:hover span,.material-tile:hover strong,.material-tile:hover small,.material-tile:focus-visible span,.material-tile:focus-visible strong,.material-tile:focus-visible small{color:#fff}
.material-modal{position:fixed;inset:0;z-index:100;background:rgba(7,20,31,.9);display:none;align-items:center;justify-content:center;padding:28px}
.material-modal.open{display:flex}
.material-modal-card{width:min(1100px,94vw);max-height:88vh;background:#fff;display:grid;grid-template-columns:1.15fr .85fr;overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.35)}
.material-modal-image{background:#f3f3f3;min-height:560px;display:flex;align-items:center;justify-content:center}
.material-modal-image img{width:100%;height:100%;max-height:78vh;object-fit:cover}
.material-modal-copy{padding:52px;display:flex;flex-direction:column;justify-content:center}
.material-modal-copy h3{font-size:44px;line-height:1.02;color:var(--navy);margin:12px 0 18px}
.material-modal-copy p:last-child{font-size:16px;line-height:1.8;color:#4d5962}
.material-modal-close{position:fixed;right:28px;top:18px;z-index:101;border:0;background:transparent;color:#fff;font-size:46px;line-height:1;cursor:pointer}
@media(max-width:1000px){.materials-grid{grid-template-columns:1fr 1fr}.material-modal-card{grid-template-columns:1fr}.material-modal-image{min-height:320px}.material-modal-copy{padding:32px}.material-modal-copy h3{font-size:34px}}
@media(max-width:650px){.materials-grid{grid-template-columns:1fr}.material-tile{min-height:145px}.material-modal{padding:12px}.material-modal-image{min-height:250px}.material-modal-copy{padding:25px}.material-modal-close{right:14px;top:8px}.material-modal-card{max-height:92vh;overflow:auto}}

.interior-zoom{cursor:zoom-in;overflow:hidden}
.interior-zoom img{transition:transform .35s ease,filter .35s ease}
.interior-zoom:hover img{transform:scale(1.035);filter:brightness(.92)}
.interior-zoom::after{content:'+';position:absolute;right:12px;top:12px;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(23,50,74,.9);color:#fff;font-size:22px;opacity:0;transform:translateY(-4px);transition:.25s;pointer-events:none}
.interior-zoom:hover::after{opacity:1;transform:none}
.interior-lightbox{position:fixed;inset:0;z-index:120;background:rgba(5,15,24,.94);display:none;align-items:center;justify-content:center;padding:24px}
.interior-lightbox.open{display:flex}
.interior-lightbox-card{margin:0;max-width:96vw;max-height:92vh;display:flex;flex-direction:column;align-items:center}
.interior-lightbox-card img{max-width:96vw;max-height:84vh;width:auto;height:auto;object-fit:contain;box-shadow:0 24px 70px rgba(0,0,0,.38)}
.interior-lightbox-card figcaption{color:#fff;margin-top:14px;font:20px Georgia,'Times New Roman',serif}
.interior-lightbox-close{position:fixed;right:24px;top:14px;z-index:121;border:0;background:transparent;color:#fff;font-size:48px;line-height:1;cursor:pointer}
@media(max-width:650px){.interior-zoom::after{opacity:1}.interior-lightbox{padding:10px}.interior-lightbox-close{right:12px;top:6px}.interior-lightbox-card img{max-height:80vh}}

/* V14 — zoom sulle immagini della sezione Spazi esterni */
.outdoor-card.interior-zoom{position:relative}
.outdoor-card.interior-zoom:focus-visible{outline:3px solid #2b6ba5;outline-offset:3px}

/* V16 — sei caratteristiche distinte: 3 colonne desktop, 2 tablet, 1 smartphone. */
.facts.facts-six {
  grid-template-columns: repeat(3,minmax(0,1fr));
  border-top: 0;
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  align-items: stretch;
}
.facts.facts-six > .fact-item {
  min-width: 0;
  min-height: 158px;
  padding: 28px 18px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
}
.facts.facts-six > .fact-item strong {
  display: block;
  min-width: 0;
  font: 400 clamp(22px,2.35vw,35px)/1.08 Georgia,'Times New Roman',serif;
  color: var(--navy);
  overflow-wrap: normal;
}
.facts.facts-six > .fact-item span {
  display: block;
  min-width: 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
}
@media (max-width: 1000px) {
  .facts.facts-six {grid-template-columns: repeat(2,minmax(0,1fr));}
  .facts.facts-six > .fact-item {min-height: 145px;}
}
@media (max-width: 650px) {
  .facts.facts-six {grid-template-columns: 1fr;}
  .facts.facts-six > .fact-item {min-height: 105px; padding: 20px 16px; gap: 7px;}
  .facts.facts-six > .fact-item strong {font-size: clamp(23px,6vw,30px);}
}


/* V17 — informazioni essenziali, subito dopo l'introduzione */
.intro-highlights {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  margin-top: 44px;
  background: #f7f3ec;
  border: 1px solid var(--line);
}
.intro-highlight {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 130px;
  gap: 10px;
  padding: 25px 28px;
}
.intro-highlight + .intro-highlight { border-left: 1px solid var(--line); }
.intro-highlight strong {
  font: 400 clamp(26px,2.7vw,38px)/1.07 Georgia,'Times New Roman',serif;
  color: var(--navy);
}
.intro-highlight span { font-size: 13px; line-height: 1.45; color: #535e66; }
.intro-project-notes {
  display: flex;
  flex-wrap: wrap;
  column-gap: 28px;
  row-gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-top: none;
  padding: 19px 28px;
}
.intro-project-notes span {
  position: relative;
  font-size: 12px;
  line-height: 1.45;
  color: var(--navy);
  font-weight: 600;
}
.intro-project-notes span + span { padding-left: 20px; }
.intro-project-notes span + span::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--gold);
}
.intro .facts.facts-six { margin-top: 48px; }
@media (max-width: 750px) {
  .intro-highlights { grid-template-columns: 1fr; }
  .intro-highlight { min-height: 105px; padding: 23px; }
  .intro-highlight + .intro-highlight { border-left: none; border-top: 1px solid var(--line); }
  .intro-highlight strong { font-size: 31px; }
  .intro-project-notes { padding: 19px 23px; gap: 10px 18px; }
  .intro-project-notes span { display: block; width: 100%; }
  .intro-project-notes span + span { padding-left: 17px; }
  .intro .facts.facts-six { margin-top: 42px; }
}

/* V19: stato evidenziato persistente al tap/click sul capitolato. */
.material-tile.is-selected,
.material-tile:active {
  background: var(--navy);
  color: #fff;
}
.material-tile.is-selected span,
.material-tile.is-selected strong,
.material-tile.is-selected small,
.material-tile:active span,
.material-tile:active strong,
.material-tile:active small {
  color: #fff;
}


/* V21 — Identità Tabarchina sempre su una sola riga, anche su mobile. */
.intro .identity-line {
  display: inline-block;
  white-space: nowrap;
  font-size: clamp(31px, 4.1vw, 58px);
  line-height: 1.08;
  letter-spacing: -.035em;
}
@media (max-width: 650px) {
  .intro .identity-line {font-size: clamp(28px, 8.4vw, 38px);letter-spacing:-.045em;}
}
@media (max-width: 360px) {
  .intro .identity-line {font-size: 27px;}
}