:root{
  --black:#000;--ink:#141414;--white:#fff;--text:#e8e8e8;--soft:#d6d6d6;--muted:#a8a8a8;--dim:#8a8a8a;
  --line:#262626;--sand:#f4f2ee;--sand-line:#dcd8d0;--accent:#b8a88a;
  --serif:'Playfair Display',Georgia,serif;--sans:'Source Sans 3',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--black);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--text)}a:hover{color:var(--white)}
h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0}
p{margin:0}
button{font-family:inherit}
.wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.kicker{font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--accent)}
.rule{width:64px;height:1px;background:var(--dim)}
.center{text-align:center;display:flex;flex-direction:column;align-items:center;gap:18px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(0,0,0,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:18px;padding-bottom:18px}
.brand{font-family:var(--serif);font-size:22px;letter-spacing:.04em;color:var(--white);text-decoration:none}
.head-right{display:flex;flex-wrap:wrap;align-items:center;gap:24px}
.nav{display:flex;flex-wrap:wrap;gap:24px;font-size:14px;letter-spacing:.18em;text-transform:uppercase}
.nav a{text-decoration:none}
.lang{display:flex;gap:4px}
.lang button{min-width:44px;min-height:44px;padding:0 12px;cursor:pointer;font-size:14px;font-weight:600;letter-spacing:.12em;border:1px solid transparent;background:transparent;color:#9a9a9a}
.lang button[aria-pressed="true"]{background:var(--white);border-color:var(--white);color:var(--black)}

/* Hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;justify-content:center;padding:48px 24px;background:#2a2a2a url(../img/hero.jpg) center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.35)}
.hero h1{position:relative;font-size:clamp(40px,7vw,76px);line-height:1.05;color:var(--white);text-align:center}

/* About */
.about{padding-top:120px;padding-bottom:96px;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:64px;align-items:start}
.about-head{display:flex;flex-direction:column;gap:20px}
.about h2{font-size:clamp(36px,4.5vw,52px);line-height:1.1;color:var(--white)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}
.stat{border-top:1px solid #3a3a3a;padding-top:16px;display:flex;flex-direction:column;gap:6px}
.stat b{font-family:var(--serif);font-weight:400;font-size:44px;line-height:1;color:var(--white)}
.stat span{font-size:14px;line-height:1.4;color:var(--muted)}
.about-text{display:flex;flex-direction:column;gap:20px;font-size:19px;line-height:1.7;font-weight:300;color:var(--soft)}

.values{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.values .wrap{padding-top:48px;padding-bottom:48px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}
.value h3{font-size:26px;color:var(--white);margin-bottom:8px}
.value p{font-size:15px;color:var(--muted);line-height:1.5}

/* Services */
.light{background:var(--sand);color:var(--ink)}
.light .kicker{color:#6b6b6b}
.light .rule{background:var(--ink)}
.services .wrap{padding-top:112px;padding-bottom:112px;display:flex;flex-direction:column;gap:48px}
.section-title{font-size:clamp(36px,4.5vw,52px);line-height:1.1}
.hint{font-size:16px;color:#555}
.svc-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.svc-card{display:flex;flex-direction:column;gap:14px;text-align:left;padding:40px 32px;cursor:pointer;border:1px solid var(--sand-line);background:var(--white);color:var(--ink);transition:background .2s,color .2s}
.svc-card[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--white)}
.svc-card .num{font-family:var(--serif);font-size:15px;opacity:.6}
.svc-card .title{font-family:var(--serif);font-size:32px;line-height:1.15}
.svc-card .short{font-size:16px;line-height:1.6;opacity:.85}
.svc-card .cta{font-size:13px;letter-spacing:.18em;text-transform:uppercase;margin-top:8px}
.svc-detail{background:var(--white);border:1px solid var(--sand-line);padding:48px 40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:48px}
.svc-detail h3{font-size:36px}
.svc-detail .rule{width:48px;margin:18px 0}
.svc-detail p{font-size:17px;line-height:1.7;color:#3d3d3d}
.svc-detail .list-title{font-size:15px;font-weight:600;margin:18px 0 6px}
.svc-detail ul{margin:0;padding-left:20px;font-size:16px;line-height:1.8;color:#3d3d3d}
.plans-title{font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:#6b6b6b;margin-bottom:16px}
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.plan{display:flex;flex-direction:column;gap:10px;padding:0;border:none;background:transparent;cursor:pointer;text-align:left;color:var(--ink)}
.plan .thumb{width:100%;height:170px;border:1px solid #c4ccd5;background:#eef1f4 center/cover no-repeat;display:flex;align-items:center;justify-content:center;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#5a6672}
.plan .thumb.empty{background-image:linear-gradient(#d5dbe2 1px,transparent 1px),linear-gradient(90deg,#d5dbe2 1px,transparent 1px);background-size:20px 20px}
.plan span:last-child{font-size:15px}
.cons-box{background:var(--ink);color:var(--white);padding:36px 32px;display:flex;flex-direction:column;gap:16px}
.cons-box .kicker{color:var(--accent)}
.cons-box .big{font-family:var(--serif);font-size:28px;line-height:1.25}
.cons-box p{color:var(--soft);font-size:16px}
.btn-light{align-self:flex-start;display:inline-flex;align-items:center;min-height:44px;padding:10px 22px;background:var(--white);color:var(--black);text-decoration:none;font-size:13px;letter-spacing:.18em;text-transform:uppercase}
.btn-light:hover{color:var(--black);background:#e9e9e9}

/* Projects */
.projects{padding-top:112px;padding-bottom:56px;display:flex;flex-direction:column;gap:40px}
.projects .section-title{color:var(--white)}
.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.tab{min-height:44px;padding:10px 22px;cursor:pointer;font-size:13px;letter-spacing:.18em;text-transform:uppercase;border:1px solid #4a4a4a;background:transparent;color:var(--soft)}
.tab[aria-selected="true"]{background:var(--white);border-color:var(--white);color:var(--black)}
.sector{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:56px;align-items:center}
.sector h3{font-size:38px;line-height:1.15;color:var(--white)}
.sector .rule{width:48px;background:var(--accent);margin:20px 0}
.sector .proj{font-size:14px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:20px}
.sector p{font-size:18px;line-height:1.75;font-weight:300;color:var(--soft)}
.sector img{width:100%;height:460px;object-fit:cover}

/* Carousels */
.carousel-sec{display:flex;flex-direction:column;gap:32px}
.works{padding-top:56px;padding-bottom:112px}
.works .head{border-top:1px solid var(--line);padding-top:56px}
.c-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px}
.c-head .titles{display:flex;flex-direction:column;gap:14px;max-width:720px}
.c-head h2{font-size:clamp(32px,4vw,48px);line-height:1.1}
.works .c-head h2{color:var(--white)}
.arrows{display:flex;gap:12px}
.arrow{width:52px;height:52px;background:transparent;border:1px solid var(--dim);color:var(--white);cursor:pointer;display:flex;align-items:center;justify-content:center}
.light .arrow{border-color:var(--ink);color:var(--ink)}
.arrow:hover{background:rgba(255,255,255,.08)}
.light .arrow:hover{background:rgba(0,0,0,.05)}
.photos{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.photos figure{margin:0;position:relative}
.photos img{width:100%;height:440px;object-fit:cover}
.photos.two img{height:360px}
.photos figcaption{position:absolute;left:0;bottom:0;background:var(--black);color:var(--white);padding:10px 16px;font-size:12px;letter-spacing:.2em;text-transform:uppercase}
.ph{height:460px;background:#1c1c1c;border:1px dashed #4a4a4a;display:flex;align-items:center;justify-content:center;padding:24px;text-align:center;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.slide-info{display:flex;flex-direction:column;gap:10px;max-width:760px;margin-top:24px}
.slide-info .year{font-size:12px;letter-spacing:.24em;color:var(--muted)}
.slide-info .name{font-family:var(--serif);font-size:32px;line-height:1.2;color:var(--white)}
.slide-info p{font-size:17px;line-height:1.7;font-weight:300;color:var(--soft)}
.counter{font-size:13px;letter-spacing:.12em;color:var(--dim);margin-top:6px}

.consulting .wrap{padding-top:112px;padding-bottom:112px}
.consulting .intro{font-size:17px;line-height:1.65;color:#3d3d3d}
.cons-card{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));background:var(--white);border:1px solid var(--sand-line)}
.cons-card .media{min-height:400px;background:#e6e2da center/cover no-repeat;display:flex;align-items:center;justify-content:center;padding:24px;text-align:center;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#6b6b6b}
.cons-card .body{display:flex;flex-direction:column;gap:16px;padding:40px}
.cons-card .year{font-size:12px;letter-spacing:.24em;color:#6b6b6b}
.cons-card h3{font-size:30px;line-height:1.2}
.cons-card p{font-size:17px;line-height:1.7;color:#3d3d3d}
.cons-card .detail{font-size:15px;color:#555}
.cons-card .counter{color:#6b6b6b;margin-top:auto}

/* Contact */
.contact{background:#111 linear-gradient(rgba(0,0,0,.8),rgba(0,0,0,.8)),url(../img/contatti.jpg) center/cover no-repeat;background-color:#111;border-top:1px solid var(--line)}
.contact .wrap{padding-top:112px;padding-bottom:112px;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:56px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:24px;color:var(--white)}
.contact-info .kicker{display:flex;align-items:center;gap:14px}
.contact-info .kicker::before{content:"";width:32px;height:1px;background:var(--accent)}
.contact-info h2{font-size:clamp(38px,4.6vw,54px);line-height:1.1}
.contact-info>p{font-size:18px;line-height:1.7;font-weight:300;color:var(--soft)}
.info-row{display:flex;gap:18px;align-items:flex-start}
.info-row .ico{width:52px;height:52px;flex:none;border:1px solid var(--accent);color:var(--accent);display:flex;align-items:center;justify-content:center}
.info-row b{display:block;font-size:17px;font-weight:600}
.info-row span,.info-row a{font-size:16px;color:var(--soft)}
.form{background:var(--white);color:var(--ink);padding:44px 40px;display:flex;flex-direction:column;gap:22px}
.form h3{font-size:30px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.form label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600}
.form input,.form select,.form textarea{height:50px;border:1px solid #d6d2ca;background:#faf9f6;padding:0 14px;font:inherit;font-weight:400;font-size:16px;color:var(--ink);border-radius:0}
.form textarea{height:auto;padding:12px 14px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--ink);outline-offset:1px}
.form .hp{position:absolute;left:-9999px}
.btn-dark{height:54px;border:none;background:var(--black);color:var(--white);font-size:14px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;cursor:pointer}
.btn-dark:hover{background:#2a2a2a}
.form-msg{padding:14px 16px;font-size:15px;display:none}
.form-msg.ok{display:block;background:#e7f3ea;color:#1d5a2c}
.form-msg.err{display:block;background:#fbe9e7;color:#8a2a1c}

footer{border-top:1px solid var(--line);padding:32px 24px;text-align:center;font-size:14px;color:#9a9a9a}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.88);display:none;align-items:center;justify-content:center;padding:24px}
.lightbox.open{display:flex}
.lb-box{background:var(--white);color:var(--ink);width:100%;max-width:1000px;display:flex;flex-direction:column;max-height:92vh}
.lb-top{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 20px;border-bottom:1px solid var(--sand-line)}
.lb-top h3{font-size:22px}
.lb-close{width:44px;height:44px;border:1px solid #c4c4c4;background:var(--white);cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-img{flex:1;min-height:300px;max-height:calc(92vh - 74px);background:#eef1f4;display:flex;align-items:center;justify-content:center;overflow:auto}
.lb-img img{max-height:calc(92vh - 74px);object-fit:contain}
.lb-img .empty{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#5a6672;padding:40px;text-align:center}

section[id]{scroll-margin-top:84px}
@media (max-width:640px){
  .site-header{position:static}
  section[id]{scroll-margin-top:0}
  .site-header .wrap{padding-top:14px;padding-bottom:14px;gap:10px}
  .head-right{gap:10px;width:100%;justify-content:space-between}
  .nav{gap:6px 14px;font-size:12px;letter-spacing:.12em}
  .stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
  .stat b{font-size:32px}
  .svc-detail,.form{padding:32px 22px}
  .cons-card .body{padding:28px 22px}
  .sector img,.photos img,.ph{height:300px}
  .photos.two img{height:240px}
  .plans{grid-template-columns:1fr}
}