/* Landing StoneMentor a Marmomac 2026. Pagina autonoma: stessa palette del
   sito (oro del logo #A37535, neutri caldi), font self-hosted. */
@font-face{font-family:'Jost';font-style:normal;font-weight:300 600;font-display:swap;src:url(font/jost.woff2) format('woff2');}
@font-face{font-family:'Lato';font-style:normal;font-weight:400;font-display:swap;src:url(font/8.woff2) format('woff2');}
@font-face{font-family:'Lato';font-style:normal;font-weight:700;font-display:swap;src:url(font/9.woff2) format('woff2');}
:root{
  --brand:#A37535;--brand-strong:#7E5926;--gold:#C9A063;
  --ink:#1A1713;--ink-2:#0F0D0A;--body:#45403A;--muted:#7A736A;
  --line:#E3DDD2;--bg:#FFFFFF;--bg-alt:#F7F4ED;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--body);font-family:'Lato',Arial,sans-serif;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
h1,h2,h3{font-family:'Jost',Arial,sans-serif;color:var(--ink);line-height:1.1;letter-spacing:-.01em;}
.centro{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.occhiello{display:block;margin-bottom:14px;color:var(--brand);font-family:'Jost',Arial,sans-serif;font-size:14px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;}
.testa{max-width:760px;margin-bottom:clamp(28px,4vw,48px);}
.testa h2{margin-bottom:16px;font-size:clamp(28px,3.8vw,44px);font-weight:700;}
.testa p+p{margin-top:14px;}
.testa strong{color:var(--ink);}
.scuro .testa strong{color:#fff;}
.scuro .testa h2{color:#fff;}
.scuro .testa p{color:rgba(255,255,255,.72);}
.btn{display:inline-block;padding:15px 28px;background:var(--brand);border-radius:2px;color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;transition:background .2s var(--ease),transform .2s var(--ease);}
.btn:hover{background:var(--brand-strong);transform:translateY(-2px);}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.6);}
.btn.ghost:hover{background:#fff;border-color:#fff;color:var(--ink);}
/* testata minima: logo, lingua, telefono */
.top{position:absolute;top:0;left:0;right:0;z-index:5;padding:18px 0;}
.top .centro{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.top img{width:clamp(180px,20vw,260px);}
.top nav{display:flex;align-items:center;gap:18px;color:rgba(255,255,255,.8);font-size:14px;}
.top nav a{border-bottom:1px solid transparent;}
.top nav a:hover{border-color:var(--gold);color:#fff;}
.top nav .lang{padding:6px 10px;border:1px solid rgba(255,255,255,.35);border-radius:2px;font-family:'Jost',Arial,sans-serif;font-weight:600;letter-spacing:.08em;}
/* hero */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
/* la lastra si vede piena a destra; il velo scuro serve solo dove c'e' il testo.
   Tre livelli: .bg (inclinazione 3D via JS) > i (zoom lento continuo),
   .glare (riflesso che segue il mouse), .centro (testo, si muove al contrario). */
.hero{perspective:1400px;}
.hero .bg{position:absolute;inset:-6%;transform:scale(1.12);transform-style:preserve-3d;will-change:transform;}
.hero .bg i{position:absolute;inset:0;display:block;background:url(img/hero-agata.webp) center/cover no-repeat;animation:respiro 22s ease-in-out infinite alternate;}
.hero .glare{position:absolute;inset:0;z-index:1;opacity:0;mix-blend-mode:screen;transition:opacity .6s var(--ease);pointer-events:none;}
.hero .centro{will-change:transform;}
@keyframes respiro{from{transform:scale(1) translate3d(0,0,0);}to{transform:scale(1.08) translate3d(-1.5%,1%,0);}}
.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(26,23,19,.82) 0%,rgba(26,23,19,.6) 32%,rgba(26,23,19,.12) 52%,rgba(26,23,19,0) 65%);}
@media(max-width:760px){.hero:after{background:linear-gradient(180deg,rgba(26,23,19,.82) 0%,rgba(26,23,19,.62) 65%,rgba(26,23,19,.2) 100%);}}
.hero .centro{position:relative;z-index:2;padding-top:clamp(120px,16vw,200px);padding-bottom:clamp(60px,10vw,140px);}
/* nome della fiera grande e in oro: e' il motivo della pagina, non un occhiello */
.hero .fiera{margin-bottom:18px;line-height:1;}
.hero .fiera strong{display:block;color:var(--gold);font-family:'Jost',Arial,sans-serif;font-size:clamp(30px,4.4vw,54px);font-weight:600;letter-spacing:.06em;text-transform:uppercase;line-height:1;}
.hero .fiera span{display:block;margin-top:10px;color:rgba(255,255,255,.85);font-family:'Jost',Arial,sans-serif;font-size:clamp(15px,1.5vw,19px);font-weight:500;letter-spacing:.14em;text-transform:uppercase;}
.hero .fiera .stand{margin-top:6px;color:#fff;font-size:clamp(17px,1.8vw,23px);font-weight:600;}
.hero h1{max-width:780px;margin-bottom:22px;color:#fff;font-size:clamp(32px,5vw,58px);font-weight:600;line-height:1.08;}
.hero p{max-width:640px;color:rgba(255,255,255,.84);font-size:clamp(17px,1.6vw,20px);line-height:1.6;}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
/* video */
.video{background:var(--ink);padding:clamp(40px,5vw,72px) 0 clamp(44px,5.5vw,80px);}
.video h2{margin-bottom:6px;color:#fff;text-align:center;font-size:clamp(26px,3.4vw,38px);font-weight:500;letter-spacing:.08em;}
.video .intro{max-width:640px;margin:0 auto clamp(24px,3vw,38px);color:rgba(255,255,255,.62);text-align:center;font-size:16px;}
.player{position:relative;width:100%;max-width:1100px;margin:0 auto;aspect-ratio:16/9;background:#000;border:1px solid rgba(255,255,255,.1);}
.player a{position:relative;display:block;width:100%;height:100%;cursor:pointer;}
.player img{width:100%;height:100%;object-fit:cover;}
.player span{position:absolute;top:50%;left:50%;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;background:var(--brand);transition:transform .2s var(--ease),background .2s var(--ease);}
.player span:after{content:'';position:absolute;top:50%;left:50%;margin:-14px 0 0 -9px;border-style:solid;border-width:14px 0 14px 24px;border-color:transparent transparent transparent #fff;}
.player a:hover span{transform:scale(1.08);background:var(--brand-strong);}
.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.video .nota{margin-top:14px;text-align:center;color:rgba(255,255,255,.45);font-size:13px;}
/* lastre */
.lastre{padding:clamp(48px,7vw,96px) 0 clamp(40px,6vw,70px);}
.griglia{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;}
.griglia li{position:relative;aspect-ratio:1;overflow:hidden;background:var(--bg-alt);}
.griglia img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.griglia li:hover img{transform:scale(1.06);}
.griglia span{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;background:linear-gradient(0deg,rgba(15,13,10,.8),rgba(15,13,10,0));color:#fff;font-family:'Jost',Arial,sans-serif;font-size:14px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;pointer-events:none;}
.lastre .nota{margin-top:22px;color:var(--muted);font-size:15px;}
/* opere */
.opere{background:var(--ink);padding:clamp(48px,7vw,96px) 0;}
.tre{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,2vw,24px);}
.tre li{display:flex;flex-direction:column;padding:clamp(22px,2.4vw,30px);background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.12);}
.tre h3{margin-bottom:10px;color:#fff;font-size:clamp(19px,2vw,23px);font-weight:700;letter-spacing:.02em;text-transform:uppercase;}
.tre p{color:rgba(255,255,255,.72);font-size:16px;line-height:1.65;}
.tag{display:inline-block;margin-top:auto;padding-top:18px;color:var(--gold);font-family:'Jost',Arial,sans-serif;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;}
/* Stefano */
.stefano{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;background:var(--bg-alt);}
.stefano img{width:100%;height:100%;object-fit:cover;object-position:center 20%;aspect-ratio:3/2;}
.stefano div{padding:clamp(30px,5vw,80px);}
.stefano h2{margin-bottom:14px;font-size:clamp(28px,3.6vw,42px);font-weight:700;}
.stefano a{display:inline-block;margin-top:22px;color:var(--brand-strong);border-bottom:2px solid var(--brand);font-weight:700;}
/* dove e quando */
.info{padding:clamp(48px,7vw,90px) 0;}
.info .centro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:clamp(24px,5vw,80px);align-items:start;}
.info h2{margin-bottom:12px;font-size:clamp(28px,3.6vw,42px);font-weight:700;}
.info p a{color:var(--brand-strong);border-bottom:1px solid var(--brand);font-weight:700;}
.info dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px 24px;}
.info dt{padding-top:4px;color:var(--brand-strong);font-family:'Jost',Arial,sans-serif;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;}
.info dd{color:var(--ink);font-size:18px;line-height:1.5;}
/* contatto finale */
.contatto{background:var(--ink);padding:clamp(48px,7vw,96px) 0;}
.contatto .testa{max-width:820px;}
.contatti{display:flex;flex-wrap:wrap;gap:12px;}
.contatti .btn{font-size:15px;text-transform:none;letter-spacing:0;}
.contatto .nota{margin-top:26px;color:rgba(255,255,255,.55);font-size:15px;}
/* piede */
footer{background:var(--ink-2);border-top:3px solid var(--brand);padding:32px 0;color:rgba(255,255,255,.55);font-size:13px;line-height:1.7;}
footer .centro{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;}
footer img{width:120px;opacity:.85;}
footer a{color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.25);}
@media(max-width:860px){.griglia{grid-template-columns:repeat(3,minmax(0,1fr));}.tre{grid-template-columns:minmax(0,1fr);}}
@media(max-width:760px){.stefano{grid-template-columns:minmax(0,1fr);}.stefano img{aspect-ratio:16/10;}.info .centro{grid-template-columns:minmax(0,1fr);}.top nav span.tel{display:none;}}
@media(max-width:560px){.hero h1 br{display:none;}.griglia{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;}.griglia span{padding:18px 8px 8px;font-size:11px;}.top img{width:170px;}}
@media(max-width:480px){.cta .btn,.contatti .btn{width:100%;text-align:center;}}
/* lastre ingrandite */
.griglia a{display:block;width:100%;height:100%;cursor:zoom-in;}
.lightbox{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:rgba(15,13,10,.94);}
.lightbox[hidden]{display:none;}
.lightbox img{max-width:min(92vw,1200px);max-height:88vh;width:auto;height:auto;box-shadow:0 20px 60px rgba(0,0,0,.6);cursor:zoom-out;}
.lightbox button{position:absolute;background:transparent;border:0;color:#fff;font-family:'Jost',Arial,sans-serif;line-height:1;cursor:pointer;opacity:.75;transition:opacity .2s var(--ease);}
.lightbox button:hover{opacity:1;}
.lb-chiudi{top:14px;right:18px;font-size:48px;}
.lb-prec,.lb-succ{top:50%;transform:translateY(-50%);padding:20px 14px;font-size:64px;}
.lb-prec{left:8px;}
.lb-succ{right:8px;}
@media(max-width:560px){.lb-prec,.lb-succ{font-size:48px;padding:16px 8px;}}
/* WhatsApp: verde ufficiale, nel blocco contatti e come pulsante fisso */
.btn.wa{display:inline-flex;align-items:center;gap:10px;background:#25D366;color:#fff;}
.btn.wa:hover{background:#1DA851;}
.wa-fisso{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;align-items:center;gap:10px;padding:12px 18px 12px 14px;background:#25D366;color:#fff;border-radius:999px;font-family:'Jost',Arial,sans-serif;font-size:15px;font-weight:600;box-shadow:0 8px 24px rgba(0,0,0,.28);transition:transform .2s var(--ease),background .2s var(--ease);}
.wa-fisso:hover{background:#1DA851;transform:translateY(-2px);}
.wa-fisso svg{width:26px;height:26px;}
@media(max-width:560px){.wa-fisso{right:12px;bottom:12px;padding:12px;}.wa-fisso span{display:none;}}