/* Nautilus Srl — foglio di stile del sito (proposta H «Luce», scelta il 2026-09-23). Le fotografie portano la pagina: apertura a tutto schermo, racconto con l'immagine che resta ferma mentre il testo scorre. */
:root{
  color-scheme:light;
  --bianco:#FFFFFF; --latte:#FAF8F3; --latte-2:#F2EEE4;
  --grafite:#1A1B1E; --testo:#2C2D31; --grigio:#6F7075;
  --oro:#C9A961; --oro-scuro:#8E7434;
  --oro-grad:linear-gradient(160deg,#F4E6A8 0%,#CDB27A 45%,#9C8457 100%);
  --linea:rgba(201,169,97,.4); --linea-fine:rgba(26,27,30,.1);
  --ff-display:"Cormorant Garamond","Garamond",Georgia,serif;
  --ff-sans:"Hanken Grotesk","Helvetica Neue",Arial,sans-serif;
  --maxw:1280px; --gutter:clamp(18px,4vw,56px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bianco);color:var(--testo);font:300 17px/1.7 var(--ff-sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--oro);outline-offset:3px}
h1,h2,h3{font-family:var(--ff-display);font-weight:300;margin:0;line-height:1.02;text-wrap:balance;color:var(--grafite)}
h1 em,h2 em{font-style:italic;font-weight:400}
p{margin:0;max-width:58ch}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.eyebrow{display:block;font:500 11px/1 var(--ff-sans);letter-spacing:.32em;text-transform:uppercase;color:var(--oro-scuro);margin-bottom:24px}
.btn{display:inline-flex;align-items:center;gap:.7em;padding:16px 30px;border-radius:999px;font:500 11.5px/1 var(--ff-sans);letter-spacing:.24em;text-transform:uppercase;text-decoration:none;border:1px solid currentColor;transition:background .3s,color .3s,border-color .3s}
.btn.bianco{color:#fff;border-color:rgba(255,255,255,.6)}
.btn.bianco:hover{background:#fff;color:var(--grafite)}
.btn.scuro{color:var(--grafite)}
.btn.scuro:hover{background:var(--grafite);color:#fff}
.btn.oro{border:0;background:var(--oro-grad);color:var(--grafite)}

/* nav trasparente sull'apertura, bianca dopo */
.nav{position:fixed;left:0;right:0;top:0;padding-top:env(safe-area-inset-top,0px);z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--linea-fine);transition:background .5s,border-color .5s}
.nav .logo{text-decoration:none}
.nav .logo .chiaro{display:none;height:40px;width:auto}
.nav.trasparente{background:transparent;border-color:transparent;backdrop-filter:none}
.nav.trasparente .logo .pieno{display:none}
.nav.trasparente .logo .chiaro{display:block}
.nav.trasparente nav a{color:#fff}
.nav.trasparente nav a:hover{color:#F4E6A8}
.nav.trasparente .btn.scuro{color:#fff;border-color:rgba(255,255,255,.6)}
.nav.trasparente .btn.scuro:hover{background:#fff;color:var(--grafite)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.nav .logo img{height:40px;width:auto}
.nav nav{display:flex;align-items:center;gap:32px;font:400 13px/1 var(--ff-sans);letter-spacing:.1em}
.nav nav a{text-decoration:none;color:var(--grafite)}
.nav nav a:hover{color:var(--oro-scuro)}
.nav .btn{padding:12px 20px;font-size:10.5px}
@media (max-width:900px){.nav nav a:not(.btn){display:none}}

/* apertura: fotografia a tutto campo, la spirale in oro, il titolo in basso */
.hero{position:relative;min-height:min(92vh,900px);display:flex;align-items:flex-end;overflow:hidden;color:#fff;isolation:isolate;padding-top:76px}
.hero .foto{position:absolute;inset:-12% 0 0;z-index:-2;will-change:transform}
.hero .foto img{width:100%;height:100%;object-fit:cover;object-position:60% 50%;animation:respira 28s ease-in-out infinite alternate;transform-origin:60% 60%}
@keyframes respira{from{transform:scale(1)}to{transform:scale(1.08)}}
.hero .velo{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(26,27,30,.35) 0%,rgba(26,27,30,.1) 30%,rgba(26,27,30,.78) 100%),linear-gradient(90deg,rgba(26,27,30,.35) 0%,rgba(26,27,30,0) 60%)}
.hero .wrap{width:100%;padding-block:clamp(56px,8vw,110px) clamp(40px,6vw,72px);display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
.hero .eyebrow{color:#F4E6A8}
.hero .logo-grande{display:flex;align-items:center;height:clamp(96px,15vw,190px);margin-bottom:clamp(28px,4vw,48px);filter:drop-shadow(0 16px 40px rgba(0,0,0,.35))}
.hero .logo-grande img{height:100%;width:auto;display:block}
.hero .logo-grande .spira{animation:gira 80s linear infinite}
.hero .logo-grande{opacity:0;transform:translateY(14px);transition:opacity 1.2s ease,transform 1.2s ease}
html.carica .hero .logo-grande,html:not(.js) .hero .logo-grande{opacity:1;transform:none}
.hero h1{color:#fff;font-size:clamp(40px,6.2vw,92px);line-height:.98;letter-spacing:-.01em;max-width:12ch}
.hero h1 .riga{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.hero h1 .riga>span{display:block;transform:translateY(110%);transition:transform 1.1s cubic-bezier(.2,.8,.2,1)}
.hero h1 .riga:nth-child(2)>span{transition-delay:.12s}
.hero .eyebrow,.hero .sotto,.hero .azioni,.hero .luogo{opacity:0;transform:translateY(14px);transition:opacity .9s ease,transform .9s ease}
.hero .eyebrow{transition-delay:.5s}.hero .sotto{transition-delay:.9s}.hero .azioni{transition-delay:1.05s}.hero .luogo{transition-delay:1.2s}
.hero h1 .riga>span{transition-delay:.35s}.hero h1 .riga:nth-child(2)>span{transition-delay:.47s}
html.carica .hero h1 .riga>span{transform:none}
html.carica .hero .eyebrow,html.carica .hero .sotto,html.carica .hero .azioni,html.carica .hero .luogo{opacity:1;transform:none}
html:not(.js) .hero h1 .riga>span{transform:none}
html:not(.js) .hero .eyebrow,html:not(.js) .hero .sotto,html:not(.js) .hero .azioni,html:not(.js) .hero .luogo{opacity:1;transform:none}
.hero h1 em{color:#F4E6A8}
.hero .sotto{margin-top:26px;font-size:clamp(17px,1.5vw,19.5px);color:rgba(255,255,255,.82);max-width:46ch}
.hero .azioni{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero .didascalia{justify-self:end;text-align:right;font:300 13px/1.6 var(--ff-sans);letter-spacing:.06em;color:rgba(255,255,255,.7);padding-left:18px;border-left:1px solid rgba(244,230,168,.6);opacity:0;transition:opacity 1.2s ease 1.3s}
.hero .didascalia span{display:block;font:400 15px/1.5 var(--ff-display);font-style:italic;letter-spacing:0;color:#F4E6A8;font-size:19px}
html.carica .hero .didascalia,html:not(.js) .hero .didascalia{opacity:1}
@keyframes gira{to{transform:rotate(360deg)}}
.hero .luogo{display:none;position:absolute;left:var(--gutter);top:calc(76px + clamp(20px,3vw,40px));font:500 11px/1.6 var(--ff-sans);letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.85)}
@media (max-width:900px){.hero{min-height:0;padding-top:104px}.hero .wrap{grid-template-columns:1fr;padding-block:16px 44px}.hero .logo-grande{height:72px}.hero .luogo{display:none}.hero h1{font-size:clamp(40px,10.5vw,56px)}.hero .didascalia{justify-self:start;text-align:left;border-left-width:1px}}
@media (prefers-reduced-motion:reduce){.hero .foto img,.hero .logo-grande .spira,.pinned img{animation:none}html{scroll-behavior:auto}*{transition-duration:.01ms!important}}

/* rivelazioni allo scorrere (solo con JavaScript; senza, tutto è visibile) */
html.js .rivela{opacity:0;transform:translateY(26px);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1)}
html.js .rivela.vivo{opacity:1;transform:none}
html.js .fase.rivela:nth-child(2){transition-delay:.12s}html.js .fase.rivela:nth-child(3){transition-delay:.24s}
html.js .strip.rivela img{clip-path:inset(0 0 100% 0);transition:clip-path 1.1s cubic-bezier(.2,.7,.2,1)}
html.js .strip.rivela img:nth-child(2){transition-delay:.1s}html.js .strip.rivela img:nth-child(3){transition-delay:.2s}html.js .strip.rivela img:nth-child(4){transition-delay:.3s}
html.js .strip.rivela.vivo img{clip-path:inset(0)}

/* perché: testo grande centrato, pulito */
.nome{padding-block:clamp(88px,11vw,150px);text-align:center}
.nome .wrap{max-width:900px}
.nome h2{font-size:clamp(36px,5vw,70px);margin-bottom:34px}
.nome p{margin-inline:auto;color:var(--grigio);font-size:clamp(17px,1.5vw,19px)}
.nome p+p{margin-top:18px}
.principi{list-style:none;margin:56px auto 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:14px 40px;font-family:var(--ff-display);font-size:clamp(21px,2vw,27px);color:var(--grafite)}
.principi li{position:relative}
.principi li+li::before{content:"";position:absolute;left:-24px;top:50%;width:6px;height:6px;border-radius:50%;background:var(--oro-grad);transform:translateY(-50%)}

/* racconto: immagine fissa a destra, quattro interventi che scorrono a sinistra */
.racconto{background:var(--latte);padding-block:clamp(72px,9vw,120px)}
.racconto .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:start}
.racconto .testa h2{font-size:clamp(36px,4.6vw,64px)}
.racconto .testa p{color:var(--grigio);margin-top:20px}
.passi{display:grid;gap:0;margin-top:56px}
.passo{padding:clamp(40px,6vw,88px) 0;border-top:1px solid var(--linea)}
.passo h3,.passo p,.passo .tag{transition:opacity .6s,color .6s}
html.js .passo:not(.acceso) h3{color:rgba(26,27,30,.38)}
html.js .passo:not(.acceso) p,html.js .passo:not(.acceso) .tag{opacity:.45}
.passo h3{font-size:clamp(30px,3.4vw,46px);margin-bottom:14px}
.passo p{color:var(--grigio)}
.passo .tag{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.passo .tag span{font:500 10.5px/1 var(--ff-sans);letter-spacing:.18em;text-transform:uppercase;color:var(--oro-scuro);border:1px solid var(--linea);padding:8px 13px;border-radius:999px}
.pinned{position:sticky;top:calc(76px + env(safe-area-inset-top,0px) + 24px);aspect-ratio:4/5;overflow:hidden;border-radius:2px}
.pinned img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.1s ease;transform:scale(1.02)}
.pinned img.vivo{opacity:1;transform:scale(1);transition:opacity 1.1s ease,transform 6s ease}
.pinned .punti{position:absolute;right:18px;bottom:20px;display:flex;gap:8px}
.pinned .punti i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.45);transition:background .5s,transform .5s}
.pinned .punti i.vivo{background:#F4E6A8;transform:scale(1.35)}
.pinned .did{position:absolute;left:20px;bottom:18px;color:#fff;font:500 11px/1.6 var(--ff-sans);letter-spacing:.24em;text-transform:uppercase;text-shadow:0 2px 12px rgba(0,0,0,.4)}
@media (max-width:900px){.racconto .wrap{grid-template-columns:1fr}.pinned{position:relative;top:auto;aspect-ratio:16/11;order:-1}html.js .passo:not(.acceso) h3{color:var(--grafite)}html.js .passo:not(.acceso) p,html.js .passo:not(.acceso) .tag{opacity:1}}

/* metodo: tre colonne sottili */
.metodo{padding-block:clamp(88px,11vw,150px)}
.metodo .testa{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end}
.metodo h2{font-size:clamp(36px,4.6vw,64px)}
.metodo .testa p{color:var(--grigio)}
.fasi{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,48px);margin-top:56px;position:relative}
.fasi::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--oro);transform:scaleX(0);transform-origin:left;transition:transform 1.6s cubic-bezier(.2,.7,.2,1)}
html.js .fasi.vivo::before,html:not(.js) .fasi::before{transform:scaleX(1)}
.fase{border-top:1px solid var(--linea-fine);padding-top:22px}
.fase b{display:block;font:500 10.5px/1 var(--ff-sans);letter-spacing:.28em;text-transform:uppercase;color:var(--oro-scuro);margin-bottom:14px}
.fase h3{font-size:clamp(26px,2.4vw,34px);margin-bottom:10px}
.fase p{color:var(--grigio);font-size:16px}
@media (max-width:900px){.metodo .testa,.fasi{grid-template-columns:1fr}}

/* progetti: fotografia a tutta larghezza con il titolo sopra, poi la scheda */
.progetti{padding-block:0 clamp(88px,11vw,150px)}
.progetti .grande{position:relative;min-height:min(78vh,760px);display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.progetti .grande img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.progetti .grande .velo{position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,27,30,0) 35%,rgba(26,27,30,.75) 100%)}
.progetti .grande .wrap{position:relative;width:100%;padding-block:clamp(40px,6vw,72px);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:24px}
.progetti .grande .eyebrow{color:#F4E6A8}
.progetti .grande h2{color:#fff;font-size:clamp(46px,7vw,104px);line-height:.95}
.progetti .grande p{color:rgba(255,255,255,.85);max-width:40ch}
.progetti .scheda{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);padding-top:clamp(48px,6vw,80px);align-items:start}
.progetti .scheda p{color:var(--grigio);font-size:clamp(17px,1.5vw,19px)}
.numeri{display:grid;grid-template-columns:1fr 1fr;gap:26px 24px;margin:0}
.numeri dt{font-family:var(--ff-display);font-weight:300;font-size:clamp(44px,5vw,72px);line-height:1;color:var(--grafite);font-variant-numeric:tabular-nums}
.numeri dt small{font-size:.4em;color:var(--oro-scuro);margin-left:4px}
.numeri dd{margin:8px 0 0;font-size:14px;color:var(--grigio);line-height:1.45;max-width:24ch}
.progetti .scheda .btn{margin-top:28px}
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:clamp(40px,6vw,80px)}
.strip img{aspect-ratio:3/4;object-fit:cover;width:100%;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.strip img:hover{transform:scale(1.03)}
.strip img:nth-child(2){margin-top:32px}.strip img:nth-child(4){margin-top:32px}
.prossimo{margin-top:40px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:16px;padding:22px 0;border-block:1px solid var(--linea);color:var(--grigio);font-size:15px}
.prossimo b{font:400 24px/1.2 var(--ff-display);color:var(--grafite)}
@media (max-width:900px){.progetti .scheda{grid-template-columns:1fr}.strip{grid-template-columns:1fr 1fr}.strip img:nth-child(n){margin-top:0}}

/* citazione su fotografia dei tetti */
.band{position:relative;min-height:420px;display:grid;place-items:center;text-align:center;color:#fff;overflow:hidden;padding-block:clamp(80px,10vw,130px)}
.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.15);will-change:transform}
.band .velo{position:absolute;inset:0;background:rgba(26,27,30,.55)}
.band .wrap{position:relative}
.band blockquote{margin:0 auto;max-width:20ch;font:italic 300 clamp(36px,5.4vw,76px)/1.08 var(--ff-display);color:#fff}
.band cite{display:block;margin-top:26px;font:500 11px/1 var(--ff-sans);font-style:normal;letter-spacing:.32em;text-transform:uppercase;color:#F4E6A8}

/* chiusura */
.chiusura{padding-block:clamp(88px,11vw,150px)}
.chiusura .wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(40px,7vw,110px)}
.chiusura h2{font-size:clamp(32px,4vw,54px);margin-bottom:20px}
.chiusura p{color:var(--grigio)}
.schede{margin-top:28px;border-top:1px solid var(--grafite)}
.scheda-g{display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--linea-fine)}
.scheda-g b{font:400 22px/1.3 var(--ff-display);color:var(--grafite)}
.scheda-g span{font:500 10px/1 var(--ff-sans);letter-spacing:.24em;text-transform:uppercase;color:var(--oro-scuro)}
.chiusura a.link{display:inline-block;margin-top:22px;font:500 11px/1 var(--ff-sans);letter-spacing:.24em;text-transform:uppercase;color:var(--grafite);text-decoration:none;border-bottom:1px solid var(--oro);padding-bottom:6px}
.recapiti{margin:30px 0 0}
.recapiti div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--linea)}
.recapiti dt{font:500 10.5px/1.9 var(--ff-sans);letter-spacing:.24em;text-transform:uppercase;color:var(--oro-scuro)}
.recapiti dd{margin:0;font-size:17px;color:var(--grafite);user-select:all}
.recapiti .manca{color:var(--oro-scuro);font-style:italic;font-family:var(--ff-display);font-size:19px;user-select:auto}
@media (max-width:900px){.chiusura .wrap{grid-template-columns:1fr}.recapiti div{grid-template-columns:1fr;gap:4px}}
footer{border-top:1px solid var(--linea-fine);padding-block:26px 40px;font-size:13px;color:var(--grigio)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px}
footer .marchio{display:flex;align-items:center;gap:12px;font:500 11px/1 var(--ff-sans);letter-spacing:.3em;text-transform:uppercase;color:var(--grafite)}
footer .marchio img{width:28px;height:28px}

/* pagina di solo testo (privacy) */
.nav .wrap a.torna{font:400 13px/1 var(--ff-sans);letter-spacing:.1em;text-decoration:none}
.testo{max-width:760px;padding-block:clamp(120px,14vw,170px) clamp(56px,8vw,96px)}
.testo h1{font-size:clamp(40px,5vw,64px);margin-bottom:12px}
.testo h2{font-size:clamp(24px,2.4vw,30px);margin:44px 0 12px}
.testo p,.testo li{color:var(--grigio)}
.testo ul{padding-left:1.2em}
.testo li+li{margin-top:10px}
.testo .manca{color:var(--oro-scuro);font-style:italic}
.testo .agg{margin-top:48px;font-size:13px}