/* ============================================================
   VIZO Focus - Foglio di stile condiviso (vizo.css)
   Palette dal logo: blu #15529B, arancione #FF7C52 (accento).
   Redesign taste-pass: tipografia fluida, ritmo ampio,
   pulsanti ad alto contrasto (WCAG AA), micro-motion sobrio.
   ============================================================ */
:root{
  --blue:#15529B; --blue-dark:#123F7A; --blue2:#2E66B5; --orange:#FF7C52; --orange-ink:#B4451F; --sky:#97CFE1;
  --ink:#1B2540; --grey:#5B6478; --card:#F5F7FA; --soft:#eef3f8; --pale:#DEEAF6;
  --shadow:0 2px 16px rgba(21,82,155,.08);
  --shadow-lift:0 14px 34px rgba(21,82,155,.16);
  --r-card:16px; --r-btn:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Trebuchet MS','Segoe UI',Helvetica,Arial,sans-serif;color:var(--ink);
     line-height:1.65;background:#fff;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{line-height:1.12;letter-spacing:-0.02em}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px}
a{color:var(--blue)}
a:focus-visible,summary:focus-visible,button:focus-visible,[tabindex]:focus-visible{
  outline:3px solid var(--orange);outline-offset:2px;border-radius:3px}
img{display:block;max-width:100%}
::selection{background:var(--orange);color:#fff}

/* header / nav */
header{position:sticky;top:0;z-index:60;background:rgba(21,82,155,.96);backdrop-filter:blur(8px);
       border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;max-width:1120px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo .sq{width:16px;height:16px;background:var(--orange);border-radius:3px}
.logo img{height:38px;width:auto;display:block}
footer .logo img{height:30px;width:auto}
.menu{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.menu a{color:rgba(255,255,255,.82);text-decoration:none;font-size:15px;font-weight:bold;letter-spacing:0;
        padding-bottom:2px;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.menu a:hover{color:#fff}
.menu a.active{color:#fff;border-color:var(--orange)}
.menu .nav-cta{color:var(--blue);border-bottom:none;padding:10px 18px;font-size:14px}
.menu .nav-cta:hover{color:var(--blue-dark);border-color:transparent}

/* voce professionisti (ottici), distinta dal resto del menu */
.nav-sep{width:1px;align-self:stretch;background:rgba(255,255,255,.22)}
.menu .nav-pro{border:1.5px solid rgba(255,255,255,.5);border-radius:999px;padding:7px 16px !important;font-size:13.5px !important;font-weight:bold}
.menu .nav-pro:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.menu .nav-pro.active{background:#fff;color:var(--blue) !important;border-color:#fff}

.nav-toggle{display:none;background:transparent;border:0;padding:6px;margin:-6px;cursor:pointer;color:#fff;border-radius:8px}
.nav-toggle svg{display:block}
.nav-toggle:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

/* buttons - navy on light, white on dark, orange = accent only */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--blue);color:#fff;font-weight:bold;text-decoration:none;
     padding:13px 26px;border-radius:var(--r-btn);border:none;cursor:pointer;font-size:16px;line-height:1.2;
     transition:background .2s,transform .08s,box-shadow .2s;box-shadow:0 2px 10px rgba(21,82,155,.20)}
.btn .arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}
.btn:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(21,82,155,.28)}
.btn:active{transform:translateY(0) scale(.99)}
.btn:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
.btn-light{background:#fff;color:var(--blue);box-shadow:0 3px 14px rgba(0,0,0,.18)}
.btn-light:hover{background:#eaf1fb;color:var(--blue-dark)}
.btn-ghost{background:transparent;border:2px solid rgba(255,255,255,.55);color:#fff;box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}

/* hero (home) */
.hero{background:var(--blue);color:#fff;padding:clamp(52px,7vw,80px) 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,56px);align-items:center}
.hero.hero-media{position:relative;background-color:var(--blue);background-size:cover;background-position:center}
.hero.hero-media:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(21,82,155,.94),rgba(21,82,155,.62))}
.hero.hero-media .wrap{position:relative}
.eyebrow{color:var(--sky);font-weight:bold;letter-spacing:.22em;font-size:12.5px;text-transform:uppercase}
.hero-media .eyebrow{color:#fff}
.hero h1{font-size:clamp(2.3rem,5vw,3.5rem);margin:16px 0 18px;letter-spacing:-0.03em;line-height:1.04}
.hero h1 .hl{color:var(--sky)}
.hero p.lead{font-size:clamp(1.06rem,1.5vw,1.2rem);color:#DCE6F5;margin-bottom:28px;max-width:56ch}
.hero .micro{margin-top:18px;font-size:13px;color:var(--sky);max-width:52ch}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero-photo{border-radius:20px;overflow:hidden;min-height:380px;background:#2E5EA6 center/cover no-repeat;box-shadow:0 20px 50px rgba(0,0,0,.30)}
.hero-photo img{width:100%;height:100%;min-height:380px;object-fit:cover}

/* page hero (interne) */
.page-hero{background:var(--blue);color:#fff;padding:clamp(44px,6vw,64px) 0}
.page-hero .eyebrow{margin-bottom:12px}
.page-hero h1{font-size:clamp(2rem,4vw,2.9rem);max-width:16ch;letter-spacing:-0.03em}
.page-hero p{font-size:clamp(1.02rem,1.4vw,1.15rem);color:#DCE6F5;max-width:60ch;margin-top:14px}

/* trust badges */
.badges{background:var(--soft);padding:24px 0}
.badges .row{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,3vw,32px)}
.badge{font-weight:bold;color:var(--blue);font-size:15px;display:flex;flex-direction:row;align-items:center;gap:11px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);flex:0 0 auto}

/* sections */
section{padding:clamp(58px,8vw,92px) 0}
section.alt{background:var(--card)}
/* la scienza: "In breve" e' un riassunto di una frase, sta piu' vicino al blocco successivo */
#breve{padding-block:clamp(44px,6vw,72px) clamp(8px,2vw,20px)}
#meccanismo{padding-top:clamp(26px,4vw,40px)}
h2{font-size:clamp(1.7rem,3vw,2.15rem);color:var(--ink);margin-bottom:12px;letter-spacing:-0.02em}
.sub{color:var(--grey);font-size:clamp(1rem,1.4vw,1.15rem);max-width:60ch;margin-bottom:38px}

/* intestazione di sezione asimmetrica (titolo a sinistra, sub a destra) */
.s-head{display:flex;flex-direction:column;gap:10px;margin-bottom:38px}
.s-head h2,.s-head .sub{margin-bottom:0}
@media (min-width:900px){
  .s-head{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);gap:clamp(24px,5vw,64px);align-items:start}
  .s-head .sub{max-width:54ch}
}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow);border:1px solid rgba(21,82,155,.06)}
.card .sq{display:none}
.card h3{font-size:19px;color:var(--blue);margin-bottom:8px;letter-spacing:-0.01em}
.card p{color:var(--grey);font-size:15.5px}

/* teaser cards (home hub) */
.teaser{display:block;background:#fff;border-radius:var(--r-card);padding:30px;text-decoration:none;color:inherit;
        box-shadow:var(--shadow);transition:transform .15s,box-shadow .25s,border-color .2s;border:1px solid rgba(21,82,155,.12)}
.teaser:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(21,82,155,.24)}
.teaser h3{color:var(--blue);font-size:21px;margin-bottom:8px;letter-spacing:-0.01em}
.teaser p{color:var(--grey);font-size:15.5px;margin-bottom:14px}
.teaser .go{color:var(--orange-ink);font-weight:bold;font-size:15px;display:inline-flex;align-items:center;gap:7px;
            text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.teaser .go .arrow{transition:transform .2s}
.teaser:hover .go .arrow{transform:translateX(4px)}

/* product shot */
.product-shot{max-width:720px;margin:0 auto 32px;border-radius:var(--r-card);overflow:hidden;background:#f3f4f7;box-shadow:var(--shadow-lift)}
.product-shot img{width:100%;height:340px;object-fit:cover;display:block}
.product-shot figcaption{padding:13px 18px;color:var(--grey);font-size:13.5px;font-style:italic;text-align:center}

/* foto affiancata al testo (pagina ottici) */
.feature-photo{display:flex;flex-direction:column;gap:24px;margin-bottom:32px}
.feature-photo .sub{margin-bottom:0}
.feature-photo .product-shot.small{max-width:100%;margin:0;flex:1}
.feature-photo .product-shot.small img{height:200px}
@media(min-width:900px){
  .feature-photo{flex-direction:row;align-items:center;gap:44px}
  .feature-photo>div:first-child{flex:1.15}
  .feature-photo .product-shot.small{flex:1}
}

/* lens + gauge demo */
.lens-demo,.gauge-demo{margin-top:28px;background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow);border:1px solid rgba(21,82,155,.06)}
.lens-demo{display:flex;gap:32px;align-items:center;flex-wrap:wrap}
.lens-demo svg{width:340px;max-width:100%;flex:0 0 auto}
.lens-demo .cap{flex:1;min-width:250px;color:var(--grey);font-size:16.5px}
.lens-demo .cap strong{color:var(--blue)}
.spk{animation:spkpulse 2.6s ease-in-out infinite}
.spk:nth-of-type(2n){animation-delay:.5s}.spk:nth-of-type(3n){animation-delay:1.1s}
@keyframes spkpulse{0%,100%{opacity:.4}50%{opacity:1}}
.gauge-demo svg{width:100%;max-width:760px;display:block;margin:0 auto}
.gauge-cap{color:var(--grey);font-size:16px;margin:18px auto 0;text-align:center;max-width:720px}

/* emotional band */
.emo{position:relative;color:#fff;padding:clamp(64px,9vw,100px) 0;background:var(--blue) center/cover no-repeat}
.emo:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(21,82,155,.94),rgba(21,82,155,.62))}
.emo .wrap{position:relative}
.emo h2{color:#fff;font-size:clamp(1.8rem,3.4vw,2.4rem);max-width:20ch}
.emo p{font-size:clamp(1.05rem,1.5vw,1.2rem);color:#E8EEF9;max-width:58ch;margin-top:16px}

/* percorso flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stepc{background:#fff;border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow);border:1px solid rgba(21,82,155,.06)}
.stepc .n{font-size:24px;font-weight:bold;color:var(--orange-ink)}
.stepc h3{font-size:16px;color:var(--blue);margin:10px 0 6px}
.stepc p{font-size:14px;color:var(--grey)}

/* variante timeline: percorso senza card bianche, per non ripetere lo stesso pattern a riquadri */
.flow.timeline{gap:0;border-top:2px solid rgba(21,82,155,.1)}
.flow.timeline .stepc{background:none;box-shadow:none;border:none;border-right:2px solid rgba(21,82,155,.1);border-radius:0;padding:22px 22px 0}
.flow.timeline .stepc:last-child{border-right:none}
.flow.timeline .stepc .n{font-size:30px}
@media(max-width:859px){
  .flow.timeline .stepc{border-right:none;border-left:2px solid rgba(21,82,155,.1);padding:18px 0 18px 22px}
}
.flow-note{margin-top:24px;background:var(--blue);color:#fff;border-radius:14px;padding:20px 26px;font-size:16px}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gal figure{border-radius:var(--r-card);overflow:hidden;background:#cfe0ec;min-height:240px;position:relative}
.gal img{width:100%;height:240px;object-fit:cover;transition:transform .5s ease}
.gal figure:hover img{transform:scale(1.05)}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(21,37,64,.82));color:#fff;font-weight:bold;padding:26px 14px 13px;font-size:15px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:0 auto 26px;max-width:840px}
#ricerca{text-align:center}
#ricerca .sub{margin-inline:auto}
.stat{background:#fff;border-radius:var(--r-card);padding:26px;text-align:center;box-shadow:var(--shadow);border:1px solid rgba(21,82,155,.06)}
.stat .num{font-size:clamp(2.2rem,4vw,2.7rem);font-weight:bold;color:var(--orange-ink);line-height:1;letter-spacing:-0.02em}
.stat .lab{color:var(--ink);font-size:14.5px;margin-top:10px}

/* truth (è / non è) */
.truth{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.truth .col{border-radius:var(--r-card);padding:28px 30px}
.truth .yes{background:#fff;border:1px solid #cfe6f2}
.truth .no{background:var(--blue);color:#fff}
.truth h3{font-size:15px;letter-spacing:.08em;margin-bottom:16px;color:var(--blue)}
.truth .no h3{color:var(--sky)}
.truth ul{list-style:none}
.truth li{padding:8px 0 8px 30px;position:relative;font-size:15.5px}
.truth .yes li:before{content:"✓";position:absolute;left:0;color:var(--orange-ink);font-weight:bold}
.truth .no li{color:#E8EEF9}
.truth .no li:before{content:"✕";position:absolute;left:0;color:var(--sky);font-weight:bold}

/* rischi + eyecube */
.risk{background:#fff;border:2px solid var(--sky);border-radius:var(--r-card);padding:32px;max-width:860px}
.risk h3{color:var(--blue);font-size:20px;margin-bottom:10px}
.risk p{color:var(--grey);font-size:16px}
.eyecube-card{background:var(--blue);color:#fff;border-radius:20px;padding:clamp(38px,5vw,56px) clamp(28px,4vw,52px);box-shadow:var(--shadow-lift)}
.eyecube-card h2{color:#fff;font-size:clamp(1.6rem,3vw,2rem);margin-bottom:14px;max-width:20ch}
.eyecube-card p{color:#DCE6F5;font-size:clamp(1rem,1.4vw,1.13rem);max-width:640px;margin:0 0 28px}

/* faq */
.faq details{background:#fff;border-radius:14px;padding:4px 24px;margin-bottom:12px;box-shadow:var(--shadow);border:1px solid rgba(21,82,155,.05)}
.faq summary{cursor:pointer;font-weight:bold;color:var(--blue);font-size:17px;padding:18px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--orange-ink);font-size:26px;line-height:1;transition:transform .2s}
.faq details[open] summary:after{content:"–"}
.faq p{color:var(--grey);padding:0 0 20px;font-size:15.5px}

/* form */
.form-sec{background:var(--blue);color:#fff}
.form-sec .wrap{max-width:720px}
.form-sec h1,.form-sec h2{color:#fff}
.form-sec h1{font-size:clamp(2rem,4vw,2.9rem);letter-spacing:-0.03em;margin-bottom:12px}
.form-sec .sub{color:#DCE6F5}
form{background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-lift)}
.field{margin-bottom:18px}
label{display:block;font-weight:bold;color:var(--ink);font-size:14px;margin-bottom:7px}
input,select,textarea{width:100%;padding:13px 15px;border:1.5px solid #cdd4e2;border-radius:10px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,124,82,.3)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--grey)}
.consent input{width:auto;margin-top:3px}
.form-note{font-size:13px;color:#DCE6F5;margin-top:16px}
.contact-alt{margin-top:20px;color:#DCE6F5;font-size:15px}
.contact-alt a{color:#fff;font-weight:bold}

/* cta band */
.cta{background:var(--blue);color:#fff}
.cta .wrap{max-width:820px}
.cta h2{color:#fff}.cta p{color:#DCE6F5;max-width:56ch;margin:0 0 24px;font-size:clamp(1.02rem,1.4vw,1.15rem)}

/* science page bits */
.toc{background:var(--soft);padding:16px 0;position:sticky;top:62px;z-index:40;border-bottom:1px solid rgba(21,82,155,.08)}
.toc .wrap{display:flex;gap:22px;flex-wrap:wrap}
.toc a{color:var(--blue);font-weight:bold;font-size:14.5px;text-decoration:none}
.toc a:hover{color:var(--orange-ink)}
#perche,#come-funziona,#diventare,#faq-ottici,#richiedi{scroll-margin-top:120px}
.level{display:inline-block;font-size:12px;font-weight:bold;letter-spacing:.16em;text-transform:uppercase;color:var(--orange-ink);margin-bottom:12px}
.fig{background:#fff;border:1px solid #e6eaf1;border-radius:var(--r-card);padding:24px;margin:22px 0;text-align:center}
.fig svg{margin:0 auto}
.fig figcaption{color:var(--grey);font-size:14px;margin-top:14px;font-style:italic}
.fig-row{display:flex;gap:26px;align-items:center;justify-content:center;flex-wrap:wrap}
.fig-row svg{width:280px;flex:0 0 auto}
.fig-row img{width:330px;max-width:100%;border-radius:12px;flex:0 0 auto}
.note{background:#fff;border-left:4px solid var(--orange);padding:18px 22px;border-radius:0 12px 12px 0;color:var(--grey);font-size:15px}
ol.refs{margin:14px 0 0 20px;color:var(--grey);font-size:14.5px}
ol.refs li{margin-bottom:8px}
.downloads{display:flex;gap:14px;flex-wrap:wrap;margin-top:20px}
.dl{display:inline-block;background:#fff;border:2px solid var(--blue);color:var(--blue);font-weight:bold;text-decoration:none;padding:12px 22px;border-radius:var(--r-btn);font-size:15px;transition:background .2s,color .2s}
.dl:hover{background:var(--blue);color:#fff}

/* pagina ottici */
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.give{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:8px}
.give .col{background:#fff;border-radius:var(--r-card);padding:28px 30px;box-shadow:var(--shadow);border:1px solid rgba(21,82,155,.06)}
.give h3{font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;color:var(--blue)}
.give ul{list-style:none}
.give li{padding:8px 0 8px 28px;position:relative;font-size:15.5px;color:var(--grey)}
.give li:before{content:"✓";position:absolute;left:0;color:var(--orange-ink);font-weight:bold}
.proof{margin-top:24px;background:var(--soft);border-radius:14px;padding:18px 24px;font-size:15px;color:var(--ink)}
.proof strong{color:var(--blue)}
.footer-pro{margin-top:6px}
.footer-pro a{color:#ccd3e4}

/* pagine legali (privacy) */
.legal-date{font-size:13.5px;color:var(--grey);opacity:.85;margin-bottom:6px}
.legal h2{font-size:clamp(1.12rem,2vw,1.4rem);color:var(--blue);margin:34px 0 10px}
.legal p{color:var(--grey);line-height:1.75;font-size:15.5px;margin-bottom:6px}
.legal a{color:var(--blue);font-weight:bold}

/* footer */
footer{background:var(--ink);color:#a7afc4;padding:46px 0;font-size:14px}
footer .logo{margin-bottom:14px}
footer .disc{margin-top:16px;font-size:12.5px;color:#9aa2b6;max-width:820px;line-height:1.7}
footer a{color:#ccd3e4}

/* scroll reveal (motion, reduced-motion safe) */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

@media (max-width:860px){
  .hero-grid,.badges .row,.g3,.g2,.truth,.flow,.gal,.stats,.row2,.give{grid-template-columns:1fr}
  .gal{grid-template-columns:1fr 1fr}
  .nav{position:relative;flex-wrap:wrap}
  .nav-toggle{display:inline-flex}
  .menu{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;
        background:var(--blue-dark);padding:6px 24px 14px;border-bottom:1px solid rgba(255,255,255,.12);z-index:70}
  .menu.is-open{display:flex}
  .menu a{padding:13px 2px;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px}
  .menu a.active{border-color:rgba(255,255,255,.08);color:#fff}
  .menu .nav-cta{margin-top:12px;padding:13px;font-size:15px;text-align:center;border-bottom:none}
  .nav-sep{display:none}
  .menu .nav-pro{margin:10px 0;text-align:center;padding:12px !important}
  .toc{position:static}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1 !important;transform:none !important;transition:none}
  .spk{animation:none;opacity:.85}
  .btn:hover,.btn-ghost:hover,.teaser:hover,.gal figure:hover img{transform:none}
}