/* =====================================================================
   RA Sistemi — foglio di stile
   Palette deep-space con accento blu Sistem Suite, sezioni in vetro sfocato
   sopra la scena 3D fissa, testi che entrano a cascata.
   ===================================================================== */

@font-face{
  font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;
  src:url(fonts/inter-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{
  --bg:#04060f; --bg-2:#060a18; --ink:#f3f6ff; --muted:#9aa6c4; --muted-2:#7c88a8;
  --line:rgba(150,175,230,.12); --line-strong:rgba(150,175,230,.22);
  --accent:#10BDF6; --accent-2:#0C7FDE; --accent-ink:#021320; --accent-rgb:16,189,246;
  --gold:#ffd27a;
  --glass:rgba(12,18,38,.55); --glass-2:rgba(16,24,48,.65);
  --radius:18px; --radius-lg:26px; --maxw:1180px;
  --shadow:0 30px 80px -30px rgba(0,0,0,.75);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --header-h:78px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:dark}
body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;overflow-x:clip;line-height:1.5}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* Lenis (scorrimento fluido) */
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto !important}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}
.lenis.lenis-stopped{overflow:clip}

/* Rivelazione a cascata */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,.7,.2,1),transform .7s cubic-bezier(.22,.7,.2,1);transition-delay:var(--rd,0ms);will-change:opacity,transform}
[data-reveal].in{opacity:1;transform:none}
[data-reveal="tilt"]{transform:perspective(1100px) rotateX(14deg) translateY(40px);transform-origin:50% 100%}
[data-reveal="tilt"].in{transform:none}

/* Scena 3D fissa dietro a tutto */
.scene-canvas{position:fixed;inset:0;width:100vw;height:100vh;display:block;z-index:0;pointer-events:none}
.scene-canvas.is-interactive{pointer-events:auto;cursor:grab;touch-action:pan-y}
.scene-canvas.is-interactive:active{cursor:grabbing}
.page{position:relative;z-index:1;pointer-events:none}
.page > *{pointer-events:auto}
.page > .build{pointer-events:none}

.skip-link{position:absolute;left:-999px;top:12px;z-index:200;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:10px;font-weight:600}
.skip-link:focus{left:16px}

/* ---------- Header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(4,6,15,.62);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);border-bottom-color:var(--line)}
.nav{max-width:var(--maxw);margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center}
.brand img{height:48px;width:auto}
.nav-links{display:flex;gap:30px;font-size:14.5px;color:var(--muted)}
.nav-links a{position:relative;padding:6px 0;transition:color .2s ease}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a[aria-current="page"]::after{content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.05);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:20px;height:20px}

/* ---------- Tipografia di sezione ---------- */
.section{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:clamp(80px,12vw,160px) 24px}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.section-head{position:relative;max-width:700px;margin:0 auto clamp(48px,6vw,80px);text-align:center}
.section-head::before,.showcase-copy::before,.split-copy::before{content:'';position:absolute;inset:-70px -110px;z-index:-1;pointer-events:none;background:radial-gradient(closest-side,rgba(4,6,15,.86),rgba(4,6,15,.55) 55%,transparent)}
.showcase-copy,.split-copy{position:relative;z-index:0}
.section-head h2,.showcase-copy h2,.cta-card h2,.split-copy h2,.build-card h2{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.05;letter-spacing:-.02em;text-shadow:0 2px 40px rgba(0,0,0,.6)}
.section-head p,.showcase-copy p,.split-copy p{margin-top:18px;color:var(--muted);font-size:18px;line-height:1.65;text-shadow:0 1px 24px rgba(0,0,0,.55)}
.grad{background:linear-gradient(180deg,#9aeaff 0%,var(--accent) 55%,#2b93ee 100%);-webkit-background-clip:text;background-clip:text;color:transparent;font-style:normal}

/* ---------- Pulsanti ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:15px;font-weight:600;padding:13px 22px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease;white-space:nowrap}
.btn svg{width:17px;height:17px;flex-shrink:0}
.btn-primary{color:var(--accent-ink);background:linear-gradient(180deg,#5fd6ff,var(--accent) 45%,var(--accent-2));box-shadow:0 10px 30px -8px rgba(var(--accent-rgb),.55),inset 0 1px 0 rgba(255,255,255,.45)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -8px rgba(var(--accent-rgb),.75),inset 0 1px 0 rgba(255,255,255,.45)}
.btn-outline{color:var(--ink);background:rgba(8,14,32,.55);border-color:var(--line-strong);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.btn-outline:hover{background:rgba(20,32,64,.7);transform:translateY(-2px)}
.btn-ghost{color:var(--ink);background:rgba(255,255,255,.05);border-color:var(--line-strong);padding:9px 18px}
.btn-ghost:hover{background:rgba(255,255,255,.1)}

/* icone SVG in linea */
.i{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.i-arrow{stroke-width:2}

/* ---------- Hero (homepage) ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;padding-top:var(--header-h);
  background:radial-gradient(125% 62% at 50% -10%,rgba(4,6,15,.84) 0%,rgba(4,6,15,.3) 44%,transparent 68%)}
.hero-inner{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 24px;transform:translateY(-8vh)}
.hero-inner::before{content:'';position:absolute;left:50%;top:50%;width:min(980px,120vw);height:min(560px,90vh);transform:translate(-50%,-50%);z-index:-1;pointer-events:none;background:radial-gradient(closest-side,rgba(4,6,15,.72),rgba(4,6,15,.35) 55%,transparent)}
.hero-inner{position:relative;z-index:0}
.hero-title{font-size:clamp(38px,5.8vw,74px);font-weight:800;line-height:1.02;letter-spacing:-.03em;max-width:15ch;text-shadow:0 2px 50px rgba(0,0,0,.55)}
.hero-sub{margin-top:24px;max-width:600px;font-size:clamp(16px,2vw,19px);line-height:1.6;color:var(--muted);text-shadow:0 1px 24px rgba(0,0,0,.6)}
.hero-actions{margin-top:38px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.logos{text-align:center;align-self:center;width:min(880px,calc(100% - 32px));margin:0 auto clamp(28px,5vw,52px);padding:16px clamp(16px,3vw,30px) 18px;border-radius:20px;background:rgba(4,6,15,.58);border:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.logos-label{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:16px}
.logos-row{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(22px,5vw,56px)}
.logo{font-size:17px;font-weight:700;color:var(--muted);opacity:.9;transition:color .2s ease,opacity .2s ease;letter-spacing:-.01em}
.logo:hover{color:var(--ink);opacity:1}
.scroll-cue{position:absolute;left:50%;bottom:clamp(156px,21vh,196px);transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);text-shadow:0 1px 12px rgba(0,0,0,.8)}
.scroll-cue span{width:22px;height:34px;border:1.5px solid var(--line-strong);border-radius:12px;position:relative}
.scroll-cue span::after{content:'';position:absolute;left:50%;top:7px;width:3px;height:7px;margin-left:-1.5px;border-radius:2px;background:var(--accent);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}30%{opacity:1}80%,100%{opacity:0;transform:translateY(11px)}}

/* ---------- Costruzione della casa ---------- */
.build{position:relative;height:520vh;pointer-events:none}
.build.build-sala{height:420vh}
.build.build-palco{height:430vh}
html.no-3d .build-fallback.build-fallback-cards{grid-template-columns:repeat(3,1fr);max-width:1100px}
/* ---------- Prodotti ---------- */
.product{min-height:100vh;display:flex;align-items:center}
.product-grid{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.product-grid .product-stage{min-height:60vh}
.product-grid.reverse .product-stage{order:2}
.product-card{--pad:clamp(26px,3.6vw,46px);position:relative;padding:var(--pad);border-radius:var(--radius-lg);background:linear-gradient(160deg,rgba(14,22,44,.78),rgba(6,10,22,.7));border:1px solid var(--line-strong);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow);overflow:hidden}
.product-card::before{content:'';position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(135deg,rgba(var(--accent-rgb),.55),transparent 40%,transparent 70%,rgba(var(--accent-rgb),.3));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.product-top{display:flex;align-items:center;gap:14px}
.product-logo{width:54px;height:54px;flex:none;display:grid;place-items:center;border-radius:15px;background:radial-gradient(circle at 30% 20%,rgba(var(--accent-rgb),.28),rgba(var(--accent-rgb),.08));border:1px solid rgba(var(--accent-rgb),.35);color:var(--accent)}
.product-logo img{width:30px;height:auto}
.product-logo svg{width:26px;height:26px}
.product-name{margin-top:18px;font-size:clamp(32px,4.2vw,54px);font-weight:800;letter-spacing:-.02em;line-height:1.02}
.product-tag{margin-top:10px;font-size:clamp(18px,2vw,22px);font-weight:700}
.product-desc{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.7}
.product-feats{list-style:none;margin:22px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.product-feats li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.45;color:var(--ink)}
.product-feats li svg{flex:none;width:18px;height:18px;margin-top:1px;color:var(--accent)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}
.plan{padding:14px 14px 16px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.035)}
.plan b{display:block;font-size:15px;color:var(--ink)}
.plan span{display:block;margin-top:6px;font-size:13px;line-height:1.45;color:var(--muted)}
.product-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.product-teasers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-teaser{display:flex;flex-direction:column;align-items:flex-start;text-decoration:none;color:inherit}
.product-teaser .work-tag{margin-top:18px}
.product-teaser h3{margin-top:8px;font-size:22px;font-weight:800;letter-spacing:-.01em}
.product-teaser p{flex:1}
.product-teaser .go{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent)}
.product-teaser .go svg{width:16px;height:16px;transition:transform .2s ease}
.product-teaser:hover{border-color:rgba(var(--accent-rgb),.45)}
.product-teaser:hover .go svg{transform:translateX(4px)}
/* ---------- banner COMING SOON (prodotti in sviluppo) ---------- */
.soon-banner{position:relative;display:flex;align-items:center;gap:14px;margin:calc(var(--pad) * -1) calc(var(--pad) * -1) 26px;padding:0 0 0 18px;height:42px;overflow:hidden;
  background:linear-gradient(90deg,#0B2A66,#0C7FDE 30%,#10BDF6 50%,#0C7FDE 70%,#0B2A66);background-size:200% 100%;animation:soonBg 6s linear infinite;
  border-bottom:1px solid rgba(110,231,255,.45);box-shadow:0 10px 30px -12px rgba(16,189,246,.7)}
.soon-banner::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(100deg,transparent 35%,rgba(255,255,255,.45) 50%,transparent 65%);transform:translateX(-100%);animation:soonShine 3.2s ease-in-out infinite}
.soon-dot{position:relative;z-index:1;flex:none;width:10px;height:10px;border-radius:50%;background:#fff;box-shadow:0 0 0 0 rgba(255,255,255,.8);animation:soonPulse 1.6s ease-out infinite}
.soon-view{position:relative;z-index:1;flex:1;min-width:0;height:100%;display:flex;align-items:center;overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 36px,#000 calc(100% - 36px),transparent);mask:linear-gradient(90deg,transparent,#000 36px,#000 calc(100% - 36px),transparent)}
.soon-track{display:flex;width:max-content;animation:soonMarquee 22s linear infinite}
.soon-track > div{display:flex;align-items:center;flex:none}
.soon-track span{font-size:13px;font-weight:800;letter-spacing:.24em;text-transform:uppercase;color:#fff;white-space:nowrap;text-shadow:0 1px 10px rgba(4,18,40,.45)}
.soon-track i{font-style:normal;margin:0 20px;color:rgba(255,255,255,.75);font-size:12px}
.soon-pill{display:inline-block;margin-left:10px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:linear-gradient(90deg,#0C7FDE,#10BDF6,#0C7FDE);background-size:200% 100%;animation:soonBg 4s linear infinite}
.product-card.soon::before{background:linear-gradient(135deg,rgba(110,231,255,.8),transparent 40%,transparent 70%,rgba(var(--accent-rgb),.45))}
@keyframes soonMarquee{to{transform:translateX(-50%)}}
@keyframes soonBg{to{background-position:-200% 0}}
@keyframes soonShine{0%{transform:translateX(-100%)}55%,100%{transform:translateX(100%)}}
@keyframes soonPulse{0%{box-shadow:0 0 0 0 rgba(255,255,255,.75)}100%{box-shadow:0 0 0 12px rgba(255,255,255,0)}}
@media (prefers-reduced-motion:reduce){.soon-banner,.soon-banner::after,.soon-dot,.soon-track,.soon-pill{animation:none}.soon-banner::after{display:none}}
@media (max-width:980px){
  .product{min-height:auto}
  .product-grid{grid-template-columns:1fr}
  .product-grid .product-stage{display:none}
  .product-teasers,html.no-3d .build-fallback.build-fallback-cards{grid-template-columns:1fr}
}
@media (max-width:560px){.product-feats,.plans{grid-template-columns:1fr}}

.page-hero:has(+ .build){min-height:100vh;min-height:100svh}
.page-hero > *{position:relative;z-index:1}
.page-hero::after{content:'';position:absolute;left:50%;top:56%;width:min(900px,120vw);height:min(460px,80vh);transform:translate(-50%,-50%);pointer-events:none;background:radial-gradient(closest-side,rgba(4,6,15,.7),rgba(4,6,15,.3) 55%,transparent)}
.build-sticky{position:sticky;top:0;height:100vh;height:100svh;max-width:calc(var(--maxw) + 48px);margin:0 auto}
.build-card{position:absolute;left:24px;top:calc(var(--header-h) + 18px);max-width:350px;padding:26px 26px 24px;border-radius:var(--radius-lg);background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow);pointer-events:auto}
.build-card h2{font-size:clamp(24px,2.6vw,32px)}
.build-card p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.6}
.build-card .hint{display:flex;gap:8px;align-items:center;margin-top:16px;font-size:12.5px;color:var(--muted-2)}
.build-card .hint svg{width:16px;height:16px;color:var(--accent)}
.build-hud{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;width:min(420px,70vw);pointer-events:none}
.build-progress{width:100%;height:3px;border-radius:3px;background:rgba(255,255,255,.1);overflow:hidden}
.build-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--accent-2),var(--accent));transform-origin:left;transform:scaleX(0);box-shadow:0 0 12px rgba(var(--accent-rgb),.8)}
.build-label{padding:8px 16px;border:1px solid rgba(var(--accent-rgb),.45);border-radius:999px;font-size:13px;font-weight:600;background:rgba(4,6,15,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.build-zoom{position:absolute;right:24px;bottom:24px;display:flex;gap:6px;pointer-events:auto}
.build-zoom button{width:40px;height:40px;border-radius:12px;border:1px solid rgba(var(--accent-rgb),.4);background:rgba(4,6,15,.6);font-size:1.15rem;line-height:1;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background .2s ease,border-color .2s ease}
.build-zoom button:hover{background:rgba(var(--accent-rgb),.22);border-color:var(--accent)}
.build-fallback{display:none}
html.no-3d .build,html.no-3d .build-sticky{height:auto}
html.no-3d .build-sticky{position:relative;padding:calc(var(--header-h) + 40px) 24px 60px}
html.no-3d .build-card{position:relative;left:auto;top:auto;max-width:640px;margin:0 auto}
html.no-3d .build-hud,html.no-3d .build-zoom{display:none}
html.no-3d .build-fallback{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:900px;margin:28px auto 0}
html.no-3d .build-fallback img{width:100%;border-radius:var(--radius);border:1px solid var(--line)}

/* ---------- Card in vetro ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{position:relative;padding:30px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow:hidden;transition:transform .3s ease,border-color .3s ease,background .3s ease}
.card::before{content:'';position:absolute;inset:0;background:radial-gradient(120% 120% at 0% 0%,rgba(var(--accent-rgb),.1),transparent 45%);opacity:0;transition:opacity .35s ease;pointer-events:none}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:var(--glass-2)}
.card:hover::before{opacity:1}
.card-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:var(--accent);background:rgba(var(--accent-rgb),.1);border:1px solid rgba(var(--accent-rgb),.2);margin-bottom:20px}
.card-icon svg{width:24px;height:24px}
.card h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.card p{margin-top:10px;font-size:15px;line-height:1.6;color:var(--muted)}

/* ---------- Vetrina: pannello di supervisione ---------- */
.showcase-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(36px,6vw,72px);align-items:center}
.showcase-copy .btn{margin-top:30px}
.dashboard{position:relative;padding:24px;border-radius:var(--radius-lg);background:var(--glass-2);border:1px solid var(--line-strong);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.dashboard::after{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;background:linear-gradient(160deg,rgba(var(--accent-rgb),.45),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude}
.dash-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.dash-title{font-size:15px;font-weight:700}
.dash-live{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--accent);padding:5px 10px;border-radius:999px;background:rgba(var(--accent-rgb),.1);border:1px solid rgba(var(--accent-rgb),.25)}
.dash-live i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:live 1.6s ease-in-out infinite}
@keyframes live{50%{opacity:.35}}
.dash-scenes{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.scene-chip{padding:8px 14px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease}
.scene-chip:hover{color:var(--ink);border-color:rgba(var(--accent-rgb),.5)}
.scene-chip[aria-pressed="true"]{color:var(--accent-ink);background:linear-gradient(180deg,#5fd6ff,var(--accent));border-color:transparent;box-shadow:0 6px 18px -6px rgba(var(--accent-rgb),.7)}
.dash-rooms{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:16px}
.room{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 6px;border-radius:14px;border:1px solid var(--line);background:rgba(0,0,0,.22);font-size:12px;color:var(--muted);cursor:pointer;transition:all .25s ease}
.room svg{width:22px;height:22px;transition:color .25s ease,filter .25s ease}
.room[aria-pressed="true"]{color:var(--ink);border-color:rgba(255,210,122,.45);background:rgba(255,210,122,.08)}
.room[aria-pressed="true"] svg{color:var(--gold);filter:drop-shadow(0 0 8px rgba(255,210,122,.8))}
.dash-chart-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted-2);margin-bottom:8px}
.dash-bars{display:flex;align-items:flex-end;gap:10px;height:120px;padding:14px;background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:14px}
.dash-bar{flex:1;height:var(--h);border-radius:6px 6px 3px 3px;background:linear-gradient(180deg,var(--accent),rgba(12,127,222,.25));transform-origin:bottom;transform:scaleY(0)}
.dashboard.in .dash-bar{animation:grow .9s cubic-bezier(.22,.7,.2,1) forwards;animation-delay:calc(var(--i) * 90ms + 200ms)}
@keyframes grow{to{transform:scaleY(1)}}
.dash-rows{display:grid;gap:12px;margin-top:18px}
.dash-row{display:grid;grid-template-columns:132px 1fr auto;gap:14px;align-items:center;font-size:13.5px;color:var(--muted)}
.dash-row b{font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;min-width:62px;text-align:right}
.dash-track{height:8px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}
.dash-fill{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--accent-2),var(--accent));transition:width .8s cubic-bezier(.22,.7,.2,1)}
.dash-note{margin-top:12px;font-size:12.5px;color:var(--muted-2);text-align:center}

.stats{margin-top:clamp(56px,8vw,96px);display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{text-align:center;padding:30px 18px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.stat-value{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.02em;background:linear-gradient(180deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-label{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.45}

/* ---------- Lavori (foto reali) ---------- */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.work-card{display:flex;flex-direction:column;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease;perspective:900px}
.work-card:hover{border-color:rgba(var(--accent-rgb),.4);box-shadow:0 24px 60px -24px rgba(var(--accent-rgb),.35)}
.work-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:radial-gradient(90% 90% at 50% 40%,rgba(var(--accent-rgb),.16),rgba(4,6,15,.4))}
.work-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.7,.2,1)}
.work-media img.contain{object-fit:contain;padding:18px;filter:drop-shadow(0 18px 24px rgba(0,0,0,.5))}
.work-card:hover .work-media img{transform:scale(1.05)}
.work-media::after{content:'';position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.16) 50%,transparent 65%);transform:translateX(-120%);transition:transform .9s ease;pointer-events:none}
.work-card:hover .work-media::after{transform:translateX(120%)}
.work-body{padding:22px 24px 26px}
.work-tag{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.work-body h3{margin-top:8px;font-size:19px;font-weight:700}
.work-body p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.6}
.center-cta{display:flex;justify-content:center;margin-top:40px}

/* ---------- CTA + footer ---------- */
.cta-card{position:relative;max-width:760px;margin:0 auto;text-align:center;padding:clamp(48px,7vw,80px) clamp(28px,5vw,64px);border-radius:var(--radius-lg);
  background:radial-gradient(120% 140% at 50% 0%,rgba(var(--accent-rgb),.14),transparent 55%),var(--glass-2);border:1px solid var(--line-strong);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.cta-card p{margin:18px auto 32px;max-width:520px;color:var(--muted);font-size:18px;line-height:1.65}
.cta-card .hero-actions{margin-top:0}
.site-footer{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 24px 48px}
.site-footer::before{content:'';position:absolute;left:50%;top:-40px;bottom:0;width:100vw;transform:translateX(-50%);z-index:-1;pointer-events:none;background:linear-gradient(180deg,transparent,rgba(4,6,15,.82) 22%,rgba(4,6,15,.94))}
.footer{display:flex;justify-content:space-between;gap:48px;flex-wrap:wrap;padding-top:48px;border-top:1px solid var(--line)}
.footer-brand img{height:52px;width:auto}
.footer-brand p{margin-top:14px;max-width:320px;font-size:14px;color:var(--muted);line-height:1.6}
.footer-cols{display:flex;gap:clamp(40px,7vw,90px);flex-wrap:wrap}
.footer-col h4{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:16px}
.footer-col a{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--muted);padding:5px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--ink)}
.footer-col a svg{width:18px;height:18px;color:var(--accent)}
.copyright{margin-top:56px;text-align:center;font-size:13px;color:var(--muted-2)}

/* ---------- Pagine interne ---------- */
.page-hero{position:relative;min-height:66vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:calc(var(--header-h) + 60px) 24px 40px;
  background:radial-gradient(125% 70% at 50% -10%,rgba(4,6,15,.84) 0%,rgba(4,6,15,.25) 50%,transparent 72%)}
.page-hero h1{font-size:clamp(36px,5.4vw,66px);font-weight:800;line-height:1.04;letter-spacing:-.03em;max-width:17ch;margin:0 auto;text-shadow:0 2px 50px rgba(0,0,0,.55)}
.page-hero p{margin:22px auto 0;max-width:580px;font-size:clamp(16px,2vw,19px);line-height:1.6;color:var(--muted)}
.section.tight-top{padding-top:clamp(20px,4vw,40px)}

.split{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,5vw,64px);align-items:start}
.split > .split-media{position:sticky;top:calc(var(--header-h) + 24px)}
.logo3d{aspect-ratio:1.18/1;width:100%}
.logo3d canvas{width:100%;height:100%;display:block}
.logo3d-fallback{display:none;width:86%;margin:12% auto 0;filter:drop-shadow(0 0 30px rgba(16,189,246,.35))}
html.no-logo3d .logo3d canvas{display:none}
html.no-logo3d .logo3d-fallback{display:block}
@media (max-width:980px){.split > .split-media{position:relative;top:auto}}
.split.reverse .split-media{order:2}
.glass-frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:radial-gradient(90% 90% at 50% 40%,rgba(var(--accent-rgb),.16),rgba(12,18,38,.5));border:1px solid var(--line-strong);box-shadow:var(--shadow);perspective:900px}
.glass-frame img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.glass-frame img.contain{object-fit:contain;padding:22px;filter:drop-shadow(0 20px 26px rgba(0,0,0,.5))}
.glass-frame::after{content:'';position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.14) 50%,transparent 65%);transform:translateX(-120%);transition:transform .9s ease;pointer-events:none}
.glass-frame:hover::after{transform:translateX(120%)}
.prose{padding:clamp(26px,3.5vw,40px);border-radius:var(--radius-lg);background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.prose p{color:var(--muted);font-size:16.5px;line-height:1.75}
.prose p+p{margin-top:16px}
.prose strong{color:var(--ink);font-weight:600}

.mission{position:relative;max-width:900px;margin:0 auto;text-align:center;padding:clamp(44px,6vw,72px) clamp(26px,5vw,64px);border-radius:var(--radius-lg);background:radial-gradient(120% 140% at 50% 0%,rgba(var(--accent-rgb),.14),transparent 55%),var(--glass-2);border:1px solid var(--line-strong);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.mission blockquote{font-size:clamp(21px,2.6vw,30px);font-weight:600;line-height:1.4;letter-spacing:-.01em}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step-num{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:16px;display:block}

.photo-band{position:relative;height:min(56vh,520px);border-radius:var(--radius-lg);overflow:clip;border:1px solid var(--line-strong);box-shadow:var(--shadow);view-timeline:--band}
.photo-band img{width:100%;height:130%;object-fit:cover;transform:translateY(-12%)}
.photo-band figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 26px;font-size:14.5px;color:var(--ink);background:linear-gradient(to top,rgba(4,6,15,.88),rgba(4,6,15,0))}
@supports ((animation-timeline:view()) and (animation-range:entry)){
  @media (prefers-reduced-motion:no-preference){
    .photo-band img{animation:bandParallax linear both;animation-timeline:--band;animation-range:entry 0% exit 100%}
  }
}
@keyframes bandParallax{from{transform:translateY(-24%)}to{transform:translateY(0)}}

.cases{display:grid;gap:clamp(28px,4vw,48px)}
.case-card{display:grid;grid-template-columns:1fr 1.1fr;border-radius:var(--radius-lg);background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow:hidden;transition:border-color .3s ease}
.case-card:hover{border-color:rgba(var(--accent-rgb),.35)}
.case-card:nth-child(even) .case-media{order:2}
.case-media{min-height:320px;background:radial-gradient(90% 90% at 50% 40%,rgba(var(--accent-rgb),.16),rgba(4,6,15,.4));overflow:hidden;perspective:900px}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.case-media{position:relative}
.case-media.duo img{position:absolute;inset:0}
.case-media.duo img:nth-child(2){animation:duo 10s ease-in-out infinite}
@keyframes duo{0%,38%{opacity:0}50%,88%{opacity:1}100%{opacity:0}}
.other-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.other-card .work-tag{display:inline-block;margin-top:4px}
.other-card h3{margin-top:10px;font-size:clamp(20px,2vw,24px);font-weight:800;letter-spacing:-.02em}
.other-card p{margin-top:10px;color:var(--muted);font-size:15.5px;line-height:1.7}
.other-card .chips{margin-top:16px}
@media (max-width:860px){.other-grid{grid-template-columns:1fr}}
.case-media img.contain{object-fit:contain;padding:26px;filter:drop-shadow(0 20px 26px rgba(0,0,0,.5))}
.case-body{padding:clamp(26px,4vw,44px);display:flex;flex-direction:column;justify-content:center}
.case-body h3{margin-top:10px;font-size:clamp(22px,2.4vw,28px);font-weight:800;letter-spacing:-.02em}
.case-body p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.7}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chips span{font-size:12.5px;padding:6px 12px;border-radius:999px;border:1px solid var(--line-strong);color:var(--muted);background:rgba(255,255,255,.03)}

.gallery3d-wrap{position:relative;height:min(62vh,560px);min-height:340px;border-radius:var(--radius-lg);overflow:hidden;background:radial-gradient(circle at 50% 60%,rgba(var(--accent-rgb),.14),rgba(12,18,38,.45) 60%);border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.gallery3d-wrap canvas{width:100%;height:100%;display:block;touch-action:pan-y;cursor:grab}
.gallery3d-wrap canvas:active{cursor:grabbing}
.gallery3d-wrap::after{content:'';position:absolute;left:0;right:0;bottom:0;height:30%;pointer-events:none;background:linear-gradient(to bottom,rgba(4,6,15,0),rgba(4,6,15,.85))}
.gallery3d-wrap[hidden]{display:none}
.gallery3d-hint{margin-top:14px;font-size:13px;text-align:center;color:var(--muted-2)}

.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.contact-card{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.contact-card .card-icon{width:54px;height:54px;border-radius:15px}
.contact-card .card-icon svg{width:26px;height:26px}
.contact-card .label{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.contact-card .value{font-size:19px;font-weight:700;margin-top:4px}
.contact-card .note{font-size:14px;color:var(--muted);margin-top:6px}
.contact-card .go{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent)}
.contact-card .go svg{width:16px;height:16px;transition:transform .2s ease}
.contact-card:hover .go svg{transform:translateX(4px)}

.form-card{padding:clamp(26px,4vw,44px);border-radius:var(--radius-lg);background:var(--glass-2);border:1px solid var(--line-strong);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.contact-form{display:grid;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;font-weight:600;color:var(--muted)}
.field input,.field textarea{font:inherit;font-size:15.5px;color:var(--ink);background:rgba(0,0,0,.28);border:1px solid var(--line-strong);border-radius:12px;padding:13px 14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(var(--accent-rgb),.15)}
.field textarea{resize:vertical;min-height:140px}
.form-status{margin-top:16px;font-size:15px;color:var(--accent)}
.form-status[hidden]{display:none}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Intro: linea KNX + logo ---------- */
.intro{position:fixed;inset:0;z-index:1000;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;cursor:pointer}
.intro-line{width:min(92vw,1100px);height:auto;overflow:visible}
.intro-line .bus{fill:none;stroke:#5FA63B;stroke-width:4;stroke-linecap:round;stroke-dasharray:1200;stroke-dashoffset:1200}
.intro-line .dev line{stroke:#5FA63B;stroke-width:2;opacity:0}
.intro-line .dev rect{fill:rgba(16,189,246,0);stroke:#c7cdd3;stroke-width:2;opacity:0}
.intro-line .pulse{fill:var(--accent);filter:drop-shadow(0 0 8px rgba(16,189,246,.95))}
.intro-logo{width:min(76vw,660px);opacity:0;transform:scale(.86);filter:drop-shadow(0 0 30px rgba(16,189,246,.55)) drop-shadow(0 0 70px rgba(12,127,222,.35))}
.intro.run .bus{animation:introDraw 1.2s ease-out .1s forwards}
.intro.run .dev line{animation:introOn .25s ease-out forwards;animation-delay:calc(.35s + var(--i) * .16s)}
.intro.run .dev rect{animation:introOn .25s ease-out forwards,introFill .4s ease-out forwards;animation-delay:calc(.35s + var(--i) * .16s),calc(.55s + var(--i) * .16s)}
.intro.run .intro-logo{animation:introLogo .8s cubic-bezier(.2,.8,.3,1) 1.35s forwards}
.intro.run{animation:introOut .6s ease-in 2.75s forwards}
@keyframes introDraw{to{stroke-dashoffset:0}}
@keyframes introOn{to{opacity:1}}
@keyframes introFill{to{fill:rgba(16,189,246,.9);stroke:var(--accent)}}
@keyframes introLogo{to{opacity:1;transform:scale(1)}}
@keyframes introOut{to{opacity:0;transform:translateY(-4%);visibility:hidden}}
html.intro-active{overflow:hidden}

/* ---------- Alone del cursore ---------- */
.cursor-glow{display:none}
@media (pointer:fine) and (prefers-reduced-motion:no-preference){
  .cursor-glow{display:block;position:fixed;inset:0;z-index:2;pointer-events:none;mix-blend-mode:screen;
    background:radial-gradient(300px circle at var(--cx,-999px) var(--cy,-999px),rgba(var(--accent-rgb),.12),transparent 62%)}
}

/* ---------- Transizioni tra pagine ---------- */
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  ::view-transition-old(root){animation:.3s ease-in both vtOut}
  ::view-transition-new(root){animation:.45s ease-out both vtIn}
}
@keyframes vtOut{to{opacity:0;transform:translateY(-12px)}}
@keyframes vtIn{from{opacity:0;transform:translateY(16px)}}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .feature-grid,.work-grid{grid-template-columns:repeat(2,1fr)}
  .showcase-grid{grid-template-columns:1fr;text-align:center}
  .showcase-copy{max-width:640px;margin:0 auto}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split,.case-card{grid-template-columns:1fr}
  .split.reverse .split-media,.case-card:nth-child(even) .case-media{order:0}
  .contact-cards{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav-links{position:absolute;top:calc(100% + 6px);left:16px;right:16px;flex-direction:column;gap:0;padding:8px;border-radius:18px;background:rgba(8,12,26,.94);border:1px solid var(--line-strong);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .2s ease,transform .2s ease}
  .nav-links a{padding:14px 16px;border-radius:12px;font-size:16px}
  .nav-links a[aria-current="page"]{background:rgba(var(--accent-rgb),.1)}
  .nav-links a[aria-current="page"]::after{display:none}
  .site-header.nav-open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .site-header.nav-open{background:rgba(4,6,15,.8);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
}
@media (max-width:720px){
  :root{--header-h:70px}
  .nav{padding:14px 18px}
  .brand img{height:38px}
  .section{padding:clamp(64px,16vw,110px) 20px}
  .build{height:440vh}
  .build-card{left:14px;right:14px;top:calc(var(--header-h) + 8px);max-width:none;padding:18px 18px 16px}
  .build-card h2{font-size:22px}
  .build-card p{font-size:14px;margin-top:8px}
  .build-card .hint{display:none}
  .build-zoom{right:14px;bottom:78px}
  .build-hud{bottom:18px}
  .scroll-cue{display:none}
}
@media (max-width:560px){
  .feature-grid,.work-grid{grid-template-columns:1fr}
  .dash-row{grid-template-columns:100px 1fr auto}
  .dash-rooms{grid-template-columns:repeat(2,1fr)}
  .hero-actions .btn{flex:1}
  .cta-card{padding:40px 22px}
  .footer{flex-direction:column}
  .form-row{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  html.no-3d .build-fallback{grid-template-columns:1fr}
}
@media (max-width:380px){
  .stats{grid-template-columns:1fr}
  .logo{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  .case-media.duo img:nth-child(2){animation:none;opacity:0}
  html{scroll-behavior:auto}
  [data-reveal],[data-reveal="tilt"]{opacity:1;transform:none;transition:none}
  .dash-bar{transform:none}
  .dashboard.in .dash-bar{animation:none}
  .dash-fill{transition:none}
  .scroll-cue span::after,.dash-live i{animation:none}
  .build{height:auto}
  .build-sticky{position:relative;height:auto;min-height:90vh}
  .build-hud,.build-zoom{display:none}
}