/* INNESTO — design system condiviso (index, progetti, configuratore) */
:root{
  --calce:#F2EEE7; --cemento:#D8D2C8; --antracite:#161513; --paper:#FBF9F5;
  --ink:#1C1A17; --muted:#5F584F; --line:#CFC7BA;
  --accent:#B24A2E; --accent-deep:#8F3A22; --accent-soft:#F0D9CF;
  --d-fg:#EDE7DD; --d-muted:#A69D90; --d-line:rgba(237,231,221,.16);
  --r-s:4px; --r-m:10px; --r-l:18px;
  --pad:clamp(20px,5.5vw,96px);
  --fs-display:clamp(3rem,9.2vw,8.6rem);
  --fs-h2:clamp(2.1rem,5.6vw,4.6rem);
  --fs-h3:clamp(1.4rem,2.6vw,2rem);
  --ease:cubic-bezier(.22,1,.36,1);
  --font-d:"Archivo",system-ui,sans-serif;
  --font-b:"Instrument Sans",system-ui,sans-serif;
  /* materiali traslucidi (scuro per chip su foto e video, chiaro per la barra) */
  --mat-dark:rgba(22,21,19,.6); --mat-dock:rgba(22,21,19,.8); --mat-light:rgba(242,238,231,.76); --mat-bar-dark:rgba(22,21,19,.74);
  --mat-blur:blur(20px) saturate(180%); --mat-edge:inset 0 0 0 .5px rgba(255,255,255,.2);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--font-b);background:var(--calce);color:var(--ink);-webkit-font-smoothing:antialiased;font-optical-sizing:auto;line-height:1.55;overflow-x:hidden;min-height:100dvh}
img,video,canvas{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--font-d);font-weight:800;line-height:1.02;letter-spacing:-.028em;font-stretch:112%;text-wrap:balance}
h1{line-height:1;letter-spacing:-.034em}
p,li,dd,.lead{text-wrap:pretty}
h3{font-weight:700;line-height:1.1;letter-spacing:-.015em;font-stretch:100%}
em{font-style:italic;font-weight:400;letter-spacing:-.01em;color:var(--accent)}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.skip-link{position:fixed;left:-999px;top:8px;z-index:300;background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--r-s)}
.skip-link:focus{left:8px}

/* ---------- temi di sezione: contrasto netto tra blocchi ---------- */
.t-light{--s-bg:var(--calce);--s-fg:var(--ink);--s-muted:var(--muted);--s-line:var(--line)}
.t-concrete{--s-bg:var(--cemento);--s-fg:var(--ink);--s-muted:#4F4942;--s-line:#B9B0A2}
.t-dark{--s-bg:var(--antracite);--s-fg:var(--d-fg);--s-muted:var(--d-muted);--s-line:var(--d-line)}
.t-accent{--s-bg:var(--accent);--s-fg:#FFF8F3;--s-muted:#F6DDD2;--s-line:rgba(255,248,243,.28)}
.t-light,.t-concrete,.t-dark,.t-accent{background:var(--s-bg);color:var(--s-fg)}
.t-dark em{color:#E07A57}
.t-accent em{color:#FFF8F3}
.t-accent ::selection{background:var(--ink)}

.pad{padding-left:var(--pad);padding-right:var(--pad)}
.section{padding:clamp(80px,12vw,168px) var(--pad);position:relative}
.micro{font-family:var(--font-d);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--s-muted,var(--muted));display:flex;align-items:center;gap:12px}
.micro::before{content:"";width:22px;height:2px;background:var(--accent);flex:none}
.t-accent .micro::before{background:#FFF8F3}
.lead{font-size:clamp(1.02rem,1.3vw,1.16rem);color:var(--s-muted,var(--muted));max-width:48ch}
.t-light .lead,.t-concrete .lead{color:#3F3A34}
.head{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(24px,5vw,80px);align-items:end;margin-bottom:clamp(44px,6vw,84px)}
.head h2{font-size:var(--fs-h2);margin-top:20px}
.num{font-family:var(--font-d);font-weight:600;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.t-dark .num{color:#E07A57}

/* ---------- bottoni ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:100px;font-family:var(--font-d);font-weight:600;font-size:.95rem;letter-spacing:.01em;border:1.5px solid transparent;cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .35s var(--ease),scale .3s var(--ease)}
@media (hover:hover){.btn:hover{transform:translateY(-2px)}}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-deep)}
.btn-ink{background:var(--ink);color:var(--calce)}
.btn-ink:hover{background:#000}
.btn-light{background:#FFF8F3;color:var(--ink)}
.btn-ghost{border-color:currentColor;background:transparent}
.btn-ghost:hover{background:var(--s-fg);color:var(--s-bg)}
.arrow{transition:transform .35s var(--ease)}
.btn:hover .arrow,.link:hover .arrow{transform:translateX(4px)}
/* sottolineatura attaccata al testo; l'area di tocco resta di 44px grazie allo pseudo-elemento */
.link{position:relative;display:inline-flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:600;border-bottom:1.5px solid currentColor;padding-bottom:3px;transition:scale .3s var(--ease)}
.link::after{content:"";position:absolute;inset:-12px -6px -10px}

/* risposta alla pressione: subito sul pointer-down, rilascio morbido */
:is(.btn,.link,.chip,.room,.menu-btn,.icon-btn,.play-toggle,.dock a,.nav a,.close,.teaser-fig,.opt,.pin){-webkit-tap-highlight-color:transparent;touch-action:manipulation}
:is(.btn,.link,.chip,.room,.menu-btn,.icon-btn,.play-toggle,.dock a,.nav a,.close):active{scale:.97;transition-duration:.1s}
.teaser-fig:active,.card:has(.stretch:active) figure{scale:.985;transition-duration:.1s}
.opt:active span{scale:.98;transition-duration:.1s}
.pin:active i{scale:.8}

/* ---------- header ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px var(--pad);color:var(--h-fg,var(--ink));transition:color .35s,padding .35s var(--ease),transform .45s var(--ease)}
/* il materiale sfuma nel contenuto negli ultimi 18px: niente linea dura */
.site-header::before{content:"";position:absolute;inset:0 0 -18px;z-index:-1;pointer-events:none;background:var(--mat-light);-webkit-backdrop-filter:var(--mat-blur);backdrop-filter:var(--mat-blur);-webkit-mask-image:linear-gradient(#000 calc(100% - 18px),transparent);mask-image:linear-gradient(#000 calc(100% - 18px),transparent);opacity:0;transition:opacity .35s,background-color .35s}
.site-header.hide{transform:translateY(calc(-100% - 24px))}
.site-header[data-on-dark]{--h-fg:var(--d-fg)}
.site-header[data-scrolled]{--h-fg:var(--ink);padding-top:10px;padding-bottom:10px}
.site-header[data-scrolled]::before{opacity:1}
/* sopra le sezioni scure il materiale si scurisce e il testo torna chiaro */
.site-header[data-scrolled][data-over-dark]{--h-fg:var(--d-fg)}
.site-header[data-over-dark]::before{background:var(--mat-bar-dark)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-d)}
.brand svg{width:30px;height:30px;flex:none}
.brand b{font-size:1.14rem;font-weight:800;letter-spacing:.06em;font-stretch:118%}
.brand small{display:block;font-size:.58rem;letter-spacing:.24em;text-transform:uppercase;opacity:.7;font-weight:500}
.nav{display:flex;gap:6px;font-family:var(--font-d);font-size:.92rem;font-weight:500}
.nav a{padding:10px 14px;border-radius:100px;transition:background .25s,scale .3s var(--ease)}
.nav a:hover{background:color-mix(in srgb,currentColor 10%,transparent)}
.nav a[aria-current=page]{background:var(--accent);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px}
.header-actions .btn{min-height:44px;padding:0 20px;font-size:.88rem}
.menu-btn{display:none;width:46px;height:46px;border-radius:100px;border:1.5px solid currentColor;background:transparent;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;transition:scale .3s var(--ease)}
.menu-btn i{width:18px;height:2px;background:currentColor;transition:transform .3s var(--ease)}
.menu-btn[aria-expanded=true] i:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-btn[aria-expanded=true] i:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;z-index:99;background:var(--antracite);color:var(--d-fg);padding:104px var(--pad) 40px;display:flex;flex-direction:column;justify-content:space-between;transform:translateY(-100%);visibility:hidden;transition:transform .5s var(--ease),visibility 0s .5s}
.mobile-menu[data-open]{transform:none;visibility:visible;transition:transform .5s var(--ease)}
.mobile-menu nav{display:flex;flex-direction:column}
.mobile-menu nav a{font-family:var(--font-d);font-weight:800;font-stretch:112%;font-size:clamp(2.2rem,11vw,3.4rem);display:flex;align-items:baseline;gap:16px;padding:10px 0;border-bottom:1px solid var(--d-line)}
.mobile-menu nav a span{font-size:.85rem;font-weight:500;color:#E07A57}
.mobile-menu p{color:var(--d-muted);font-size:.85rem}
body[data-menu-open] .site-header{--h-fg:var(--d-fg)}
body[data-menu-open] .site-header::before{opacity:0}

/* ---------- media prima/dopo ---------- */
.ba{position:relative;width:100%;aspect-ratio:3/2;border-radius:var(--r-l);overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:pan-y;-webkit-tap-highlight-color:transparent;cursor:ew-resize;background:#2a2723}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba .after-wrap{position:absolute;inset:0;clip-path:inset(0 0 0 50%)}
.ba-label{position:absolute;top:14px;z-index:3;font-family:var(--font-d);font-weight:700;font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;padding:7px 12px;border-radius:100px;background:var(--mat-dark);-webkit-backdrop-filter:var(--mat-blur);backdrop-filter:var(--mat-blur);box-shadow:var(--mat-edge);color:#fff}
.ba-label.before{left:14px}
.ba-label.after{right:14px;background:var(--accent);-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none}
.ba-handle{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;z-index:4;transform:translateX(-1px);pointer-events:none;will-change:transform}
.ba-handle b{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:100px;background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px -8px rgba(0,0,0,.6);transition:scale .3s var(--ease),box-shadow .3s}
.ba[data-grab]{cursor:grabbing}
.ba[data-grab] .ba-handle b{scale:1.1;box-shadow:0 14px 30px -10px rgba(0,0,0,.7);transition-duration:.12s}
.ba-handle svg{width:22px;height:22px}
.ba input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0;z-index:5}
.ba input[type=range]:focus-visible~.ba-handle b{outline:3px solid var(--accent);outline-offset:3px}

/* grezzo -> finito allo scroll */
.reveal-media{position:relative;aspect-ratio:3/2;border-radius:var(--r-l);overflow:hidden;background:#2a2723}
.reveal-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.reveal-media .after{clip-path:inset(0 0 0 100%)}
.reveal-media .tag{position:absolute;left:14px;top:14px;z-index:2;font-family:var(--font-d);font-weight:700;font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;padding:7px 12px;border-radius:100px;background:var(--mat-dark);-webkit-backdrop-filter:var(--mat-blur);backdrop-filter:var(--mat-blur);box-shadow:var(--mat-edge);color:#fff}

/* ---------- dialog progetto ---------- */
.p-dialog{margin:auto;width:min(1120px,calc(100vw - 24px));max-height:calc(100dvh - 24px);border:0;border-radius:var(--r-l);padding:0;background:var(--antracite);color:var(--d-fg);--s-bg:var(--antracite);--s-fg:var(--d-fg);--s-muted:var(--d-muted);--s-line:var(--d-line);overflow:auto;overscroll-behavior:contain}
.p-dialog::backdrop{background:rgba(12,11,10,.72);backdrop-filter:blur(4px)}
.p-dialog .inner{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(20px,3vw,40px);padding:clamp(16px,2.4vw,28px);align-items:center}
.p-dialog .media{position:relative;border-radius:var(--r-m);overflow:hidden;aspect-ratio:3/2;background:#2a2723}
.p-dialog .media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.p-dialog .media .ba{border-radius:0;height:100%;aspect-ratio:auto}
.p-dialog h2{font-size:clamp(1.8rem,3.4vw,2.8rem);font-stretch:110%;margin:12px 0 6px}
.p-dialog .where{color:var(--d-muted);font-size:.92rem}
.p-dialog .desc{margin-top:16px;color:#D9D1C5}
.p-dialog dl{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:20px;padding-top:16px;border-top:1px solid var(--d-line)}
.p-dialog dt{font-size:.78rem;color:var(--d-muted)}
.p-dialog dd{font-family:var(--font-d);font-weight:700;font-size:1.08rem}
.p-dialog .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.p-dialog .close{position:sticky;top:10px;float:right;margin:10px 10px -54px 0;z-index:6;width:44px;height:44px;border-radius:100px;border:0;background:#FFF8F3;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:scale .3s var(--ease)}
.p-dialog .close svg{width:18px;height:18px}
body:has(.p-dialog[open]){overflow:hidden}
@media (max-width:820px){.p-dialog .inner{grid-template-columns:1fr}}

/* ---------- facts ---------- */
.facts{display:flex;flex-wrap:wrap;gap:12px 34px;border-top:1px solid var(--s-line,var(--line));padding-top:20px;margin-top:26px}
.facts span{display:block;font-size:.78rem;letter-spacing:.06em;color:var(--s-muted,var(--muted));margin-bottom:3px}
.facts b{font-family:var(--font-d);font-weight:700;font-size:1.14rem}

/* ---------- form ---------- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:start}
.form label{display:flex;flex-direction:column;gap:8px}
.form .wide{grid-column:1/-1}
.form label>span{font-family:var(--font-d);font-weight:600;font-size:.8rem;letter-spacing:.04em;color:var(--s-muted)}
.form input,.form select,.form textarea{min-height:50px;background:rgba(255,255,255,.06);border:1.5px solid var(--s-line);border-radius:var(--r-m);padding:12px 14px;color:var(--s-fg);font:inherit;font-size:1rem;transition:border-color .25s}
.form textarea{min-height:110px;resize:vertical}
.form input::placeholder,.form textarea::placeholder{color:var(--s-muted);opacity:.8}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent)}
.form select option{color:var(--ink)}
.form .btn{grid-column:1/-1;min-height:54px}
.form-note{grid-column:1/-1;font-size:.84rem;color:var(--s-muted);text-align:center}
.form-note[data-sent]{color:#E07A57;font-weight:600}
.t-light .form input,.t-light .form select,.t-light .form textarea{background:var(--paper)}

/* ---------- footer ---------- */
.site-footer{padding:clamp(60px,8vw,110px) var(--pad) 120px}
.footer-top{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:28px;padding-bottom:40px;border-bottom:1px solid var(--s-line)}
.footer-top h4{font-family:var(--font-d);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--s-muted);margin-bottom:12px;font-weight:600}
.footer-top a,.footer-top p{display:block;padding:4px 0;font-size:.96rem}
.footer-top a:hover{color:var(--accent)}
.footer-word{font-family:var(--font-d);font-weight:900;font-stretch:118%;font-size:clamp(3.2rem,14.5vw,13.5rem);overflow:hidden;letter-spacing:-.04em;line-height:.8;margin:44px 0 26px}
.disclosure{font-size:.8rem;color:var(--s-muted);max-width:78ch}

/* ---------- dock mobile ---------- */
.dock{position:fixed;left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));z-index:90;display:none;gap:8px;background:var(--mat-dock);-webkit-backdrop-filter:var(--mat-blur);backdrop-filter:var(--mat-blur);border-radius:100px;padding:7px;box-shadow:var(--mat-edge),0 14px 34px -16px rgba(0,0,0,.7)}
.dock a{flex:1;min-height:48px;display:flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;font-family:var(--font-d);font-weight:600;font-size:.92rem;color:var(--d-fg);transition:scale .3s var(--ease)}
.dock a.primary{background:var(--accent);color:#fff;flex:1.6}
@media (max-width:360px){.dock a{font-size:.84rem;padding:0 10px;text-align:center}}

/* ---------- reveal ---------- */
.fx{opacity:0;transform:translateY(30px)}
.fx-in{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease)}
.mask{display:block;overflow:hidden;padding-bottom:.16em;margin-bottom:-.12em}
.mask>span{display:block}
.w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .08em .14em 0;margin:0 -.08em -.14em 0}
.w>span{display:inline-block}
.footer-word{display:flex}
.footer-word span{display:inline-block}
.steps-line{position:absolute;left:0;top:0;width:100%;height:3px;background:#E07A57;transform-origin:left;z-index:2;pointer-events:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .head{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav,.header-actions .btn{display:none}
  .menu-btn{display:flex}
  .form{grid-template-columns:1fr}
  .dock{display:flex}
  .site-footer{padding-bottom:110px}
}
@media (max-width:520px){
  .footer-top{grid-template-columns:1fr}
  h1,h2{line-height:1.04;letter-spacing:-.024em}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .fx{opacity:1;transform:none}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important}
  /* gli spostamenti diventano dissolvenze brevi; restano colori, opacità e la pressione */
  .btn:hover,.btn:hover .arrow,.link:hover .arrow{transform:none}
  .site-header{transition:color .2s,padding .2s}
  .site-header.hide{transform:none}
  .mobile-menu{transform:none;opacity:0;transition:opacity .2s,visibility 0s .2s}
  .mobile-menu[data-open]{opacity:1;transition:opacity .2s}
}
/* trasparenza ridotta: materiali pieni, niente sfocatura */
@media (prefers-reduced-transparency:reduce){
  :root{--mat-dark:#2A2723;--mat-dock:var(--antracite);--mat-light:var(--calce);--mat-bar-dark:var(--antracite);--mat-blur:none}
  .site-header::before{-webkit-mask-image:none;mask-image:none;inset:0;box-shadow:0 1px 0 var(--line)}
  .p-dialog::backdrop{backdrop-filter:none;background:rgba(12,11,10,.88)}
}
/* contrasto alto: superfici piene e bordi netti */
@media (prefers-contrast:more){
  :root{--mat-dark:#000;--mat-dock:#000;--mat-light:var(--calce);--mat-bar-dark:#000;--mat-blur:none;--mat-edge:inset 0 0 0 1.5px #fff;--muted:#3F3A34;--d-muted:#CFC6B8}
  .site-header::before{-webkit-mask-image:none;mask-image:none;inset:0;box-shadow:0 1.5px 0 var(--ink)}
  .btn-ghost,.chip,.room,.opt span{border-width:2px}
  .lead{color:inherit}
}