/* visiione. — stile condiviso v1 (ottobre 2026).
   Stesso linguaggio della nuova home. Le pagine mantengono il proprio layout (stili inline);
   qui: token, tipografia, header/footer, bottoni, articoli del blog, compatibilità con le vecchie classi. */
:root{
  --bg:#0A0A0A; --bg2:#0f0f0f; --surface:#141414; --surface2:#1a1a1a; --line:#262626;
  --text:#F5F5F5; --muted:#A1A1A1; --brand:#15E0A0; --brand-ink:#04130D; --warn:#ff6b6b;
  --r:20px; --r-sm:12px; --max:1160px;
  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Roboto,sans-serif;
  /* alias delle vecchie pagine */
  --bg-color:#0A0A0A; --surface-color:#141414; --text-primary:#F5F5F5; --text-secondary:#A1A1A1;
  --accent-color:#15E0A0; --accent-gradient:linear-gradient(135deg,#15E0A0 0%,#0fc58b 100%);
  --font-heading:var(--font); --font-body:var(--font); --container-width:1160px; --border-radius:20px;
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
h1,h2,h3,h4,.logo{font-family:var(--font);font-weight:900;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5.5vw,3.6rem);line-height:1.06;margin-bottom:1.2rem;letter-spacing:-.03em}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.1;margin-bottom:1.4rem}
h3{font-size:1.3rem;line-height:1.2;margin-bottom:.5rem}
p{font-size:1.05rem;color:var(--muted);margin-bottom:1rem}
a{color:inherit;text-decoration:none;transition:var(--transition)}
:focus-visible{outline:3px solid var(--brand)!important;outline-offset:3px}
.highlight{background:none;-webkit-text-fill-color:currentColor;color:var(--brand)}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;font-weight:800;color:var(--brand);display:block;margin-bottom:1.1rem}
.container{max-width:var(--container-width);margin:0 auto;padding:0 20px}
.text-center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
a.skip-link,.skip{position:absolute;left:-9999px;top:0;z-index:1000;background:var(--brand);color:var(--brand-ink);padding:10px 16px;border-radius:8px;font-weight:800}
a.skip-link:focus,.skip:focus{left:8px;top:8px}

/* bottoni (nuovi e vecchi nomi) */
.btn,.btn-primary,.lp-btn,.cs-btn,.btn-primary-glow{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 26px;border-radius:999px;background:var(--brand);background-image:none;color:var(--brand-ink)!important;font:800 1rem var(--font);border:0;cursor:pointer;text-align:center;box-shadow:none;text-transform:none;letter-spacing:0;text-shadow:none}
.btn:hover,.btn-primary:hover,.lp-btn:hover,.cs-btn:hover,.btn-primary-glow:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(21,224,160,.3)}
.btn.sm{min-height:42px;padding:0 20px;font-size:.92rem}
.btn.ghost,.btn-ghost,.lp-btn-ghost,.btn-primary-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:999px;background:transparent;border:1px solid #3a3a3a;color:var(--text)!important;font-weight:700;box-shadow:none}
.btn.ghost:hover,.btn-ghost:hover,.lp-btn-ghost:hover,.btn-primary-outline:hover{border-color:var(--brand);background:transparent;color:var(--text)!important;box-shadow:none;transform:none}
.btn-primary-outline.desktop-only{min-height:42px}
.btn-link{display:inline-flex;align-items:center;gap:.5rem;margin-top:1rem;color:var(--brand);font-weight:700}

/* header */
.vz-head{position:fixed;top:0;left:0;right:0;z-index:100;border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.vz-head.sc{background:rgba(10,10,10,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.vz-nav{max-width:var(--max);margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.vz-logo{font-weight:900;font-size:24px;letter-spacing:-.04em;color:var(--text)}
.vz-logo b{color:var(--brand)}
.vz-links{display:none;gap:26px;font-size:15px;font-weight:600;color:#cfcfcf}
.vz-links a:hover,.vz-links a[aria-current]{color:var(--brand)}
.vz-r{display:flex;align-items:center;gap:10px}
.vz-burger{width:44px;height:44px;border-radius:50%;border:1px solid #333;background:transparent;color:var(--text);cursor:pointer;display:grid;place-items:center}
.vz-burger span,.vz-burger span::before,.vz-burger span::after{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:.25s}
.vz-burger span::before,.vz-burger span::after{content:"";position:absolute;left:0}
.vz-burger span::before{top:-6px}.vz-burger span::after{top:6px}
.menu-open .vz-burger span{background:transparent}
.menu-open .vz-burger span::before{top:0;transform:rotate(45deg)}
.menu-open .vz-burger span::after{top:0;transform:rotate(-45deg)}
.vz-mob{position:fixed;inset:72px 0 0 0;background:rgba(10,10,10,.97);backdrop-filter:blur(14px);z-index:99;padding:26px 20px;display:none;flex-direction:column;gap:2px;overflow-y:auto}
.menu-open .vz-mob{display:flex}
.vz-mob a{font-size:24px;font-weight:800;letter-spacing:-.02em;padding:12px 0;border-bottom:1px solid var(--line);color:var(--text)}
.vz-mob .btn{margin-top:20px;font-size:17px;border-bottom:0;color:var(--brand-ink)!important}
@media(min-width:980px){.vz-links{display:flex}.vz-burger{display:none}.vz-mob{display:none!important}}
@media(max-width:979px){.vz-r .btn{display:none}}

/* footer */
.vz-foot{border-top:1px solid var(--line);padding:56px 0 110px;color:var(--muted);font-size:14.5px;text-align:left;margin-top:0}
.vz-foot .in{max-width:var(--max);margin:0 auto;padding:0 20px}
.vz-foot .grid{display:grid;gap:32px}
.vz-foot h4{color:var(--text);font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px;font-weight:800}
.vz-foot a{display:block;padding:5px 0}
.vz-foot a:hover{color:var(--brand)}
.vz-foot p{font-size:14.5px}
.vz-foot .legal{margin-top:36px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
@media(min-width:760px){.vz-foot .grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
@media(min-width:980px){.vz-foot{padding-bottom:56px}}

/* barra fissa mobile */
.vz-sticky{position:fixed;left:0;right:0;bottom:0;z-index:90;display:flex;gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(10,10,10,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
.vz-sticky .btn{flex:1;min-height:48px;padding:0 12px;font-size:15px}
.sticky-cta{display:none!important}
@media(min-width:980px){.vz-sticky{display:none}}

/* barra di lettura (articoli) */
.vz-read{position:fixed;top:0;left:0;height:3px;width:0;background:var(--brand);z-index:120}

/* campi modulo, ovunque */
input,select,textarea{font-family:var(--font)}
.form-group input,.form-group select,.form-group textarea{width:100%;min-height:50px;padding:12px 16px;border-radius:12px;background:#0f0f0f;border:1px solid var(--line);color:var(--text);font-size:1rem}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--brand);outline:none}

/* componenti delle vecchie pagine, rimodernati */
.sector-card,.method-step-card,.method-item,.review-card,.lp-card,.case-card,.cs-value,.cs-stat,.lp-stat,.stat-card{border-radius:var(--r)}
.sector-card{background:var(--surface);border:1px solid var(--line);overflow:hidden;display:block}
.sector-card:hover{transform:translateY(-6px);border-color:var(--brand);box-shadow:0 20px 40px rgba(21,224,160,.1)}
.method-step-card,.method-item{background:var(--surface);border:1px solid var(--line)}
.method-step-card:hover,.method-item:hover{border-color:var(--brand);transform:translateY(-4px)}
.step-icon,.icon-box{background:rgba(21,224,160,.14);color:var(--brand);border-radius:14px}
.step-icon{width:44px;height:44px}

/* ===== ARTICOLI ===== */
body.art .article-header{padding:140px 0 44px;text-align:center}
body.art .article-header h1{max-width:860px;margin-left:auto;margin-right:auto}
body.art .article-header>.container>p{max-width:680px;margin:0 auto;font-size:1.15rem;color:var(--muted)}
body.art .article-header img{width:100%;max-width:880px;border-radius:24px!important;margin-top:2.4rem!important;box-shadow:0 30px 80px rgba(0,0,0,.5)!important;border:1px solid var(--line);display:block;margin-left:auto;margin-right:auto}
body.art .article-body{max-width:760px;margin:0 auto;font-size:1.1rem;line-height:1.78;color:#d4d4d4;padding:0 0 40px}
body.art .article-body .container{padding:0 20px}
body.art .article-body h2{margin:3.2rem 0 1.2rem;font-size:clamp(1.6rem,3.2vw,2.1rem);color:var(--text);line-height:1.12}
body.art .article-body h3{margin:2.2rem 0 .8rem;font-size:1.35rem;color:var(--brand)}
body.art .article-body h4{margin:1.6rem 0 .6rem;font-size:1.1rem;color:var(--text)}
body.art .article-body p{font-size:1.1rem;color:#bdbdbd;margin-bottom:1.4rem}
body.art .article-body ul,body.art .article-body ol{margin:0 0 1.6rem;padding-left:1.4rem;color:#bdbdbd}
body.art .article-body li{margin-bottom:.55rem;padding-left:.2rem}
body.art .article-body li::marker{color:var(--brand)}
body.art .article-body strong{color:var(--text)}
body.art .article-body a:not(.btn-primary):not(.btn){color:var(--brand);text-decoration:underline;text-underline-offset:3px}
body.art .article-body blockquote{border-left:3px solid var(--brand);padding:.2rem 0 .2rem 1.2rem;margin:1.8rem 0;color:var(--text);font-style:italic}
body.art .article-body code{background:#1a1a1a;border:1px solid var(--line);padding:2px 7px;border-radius:6px;font-size:.92em}
body.art .article-body hr{border:0;border-top:1px solid var(--line);margin:2.6rem 0}
body.art .article-body img{border-radius:16px;margin:1.6rem 0}
body.art .article-body table{display:block;overflow-x:auto;width:100%;border-collapse:collapse;margin:1.8rem 0;font-size:.98rem}
body.art .article-body th,body.art .article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
body.art .article-body th{color:var(--text);font-weight:800;white-space:nowrap}
body.art .callout,body.art .highlight-box,body.art .tip-box,body.art .example-box,body.art .callout-info,body.art .callout-success{background:rgba(21,224,160,.07)!important;border:1px solid rgba(21,224,160,.25)!important;border-left:4px solid var(--brand)!important;border-radius:14px!important;padding:1.4rem 1.6rem!important;margin:2rem 0}
body.art .callout p:last-child,body.art .highlight-box p:last-child{margin-bottom:0}
body.art .error-box,body.art .warning-box{background:rgba(255,107,107,.07)!important;border:1px solid rgba(255,107,107,.3)!important;border-left:4px solid var(--warn)!important;border-radius:14px!important}
body.art .solution-box,body.art .success-box{background:rgba(21,224,160,.07)!important;border:1px solid rgba(21,224,160,.28)!important;border-left:4px solid var(--brand)!important;border-radius:14px!important}
body.art .stat-box,body.art .template-box,body.art .result-card,body.art .idea-card,body.art .tool-box,body.art .step-card,body.art .funnel-step,body.art .pro-con-box,body.art .stat-item,body.art .card{border-radius:16px!important}
body.art .article-body .btn-primary{text-decoration:none!important}
.vz-endcta{max-width:760px;margin:20px auto 80px;padding:0 20px}
.vz-endcta .box{background:linear-gradient(160deg,#0d2a20,#141414 62%);border:1px solid rgba(21,224,160,.4);border-radius:24px;padding:34px 30px}
.vz-endcta h2{font-size:clamp(1.5rem,3vw,2rem);margin:.4rem 0 .8rem}
.vz-endcta .row{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.2rem}
.vz-endcta p{margin-bottom:0}

/* ===== indice del blog ===== */
.article-card{background:var(--surface)!important;border:1px solid var(--line)!important;border-radius:var(--r)!important;overflow:hidden;transition:transform .3s,border-color .3s}
.article-card:hover{transform:translateY(-4px);border-color:var(--brand)!important}
.article-tag{color:var(--brand)!important;font-weight:800;letter-spacing:.1em;font-size:.75rem;text-transform:uppercase}
.article-title{font-weight:800;letter-spacing:-.01em}
.read-more{color:var(--brand)!important;font-weight:700}

@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}