/* Ottica Sunna – tema total black */
:root{
  --bg:#000;--surface:#0c0c0c;--surface-2:#141414;--line:#242424;--line-2:#333;
  --text:#f2f2f2;--text-2:#c9c9c9;--muted:#8c8c8c;
  --radius:14px;--wrap:1160px;
  --sans:"Avenir Next","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--bg);color-scheme:dark}
body{margin:0;font:17px/1.65 var(--sans);color:var(--text);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--text);text-decoration-color:var(--line-2);text-underline-offset:3px}
a:hover{color:#fff;text-decoration-color:#fff}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em;color:#fff}
h1{font-size:clamp(2rem,4.2vw,3.1rem)}
h2{font-size:clamp(1.4rem,2.4vw,1.85rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
::selection{background:#fff;color:#000}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 12px;z-index:99}
.skip:focus{left:8px}
.muted{color:var(--muted)}
.kicker{text-transform:uppercase;letter-spacing:.18em;font-size:.74rem;font-weight:700;color:var(--muted);margin-bottom:.7em}
.kicker a{color:inherit;text-decoration:none}
.lead{font-size:1.15rem;color:var(--text-2);max-width:62ch}
.more{font-weight:600;text-decoration:none;color:#fff;border-bottom:1px solid var(--line-2);padding-bottom:2px}
.more:hover{border-color:#fff}

/* bottoni */
.btn{display:inline-block;background:#fff;color:#000;border:2px solid #fff;padding:.8em 1.5em;border-radius:999px;
  font-weight:700;text-decoration:none;font-size:.95rem;cursor:pointer;font-family:inherit;letter-spacing:.02em;transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:transparent;color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:var(--line-2)}
.btn-ghost:hover{border-color:#fff}

/* header: logo centrato */
.site-header{background:var(--bg)}
.brand-row{display:flex;justify-content:center;padding-top:40px;padding-bottom:34px}
.brand{display:block;width:min(560px,82vw)}
.brand img{width:100%;height:auto}

/* barra menu a tutta larghezza */
.navbar{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.92);backdrop-filter:saturate(1.2) blur(8px);
  -webkit-backdrop-filter:saturate(1.2) blur(8px);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.navbar-inner{display:flex;justify-content:center;min-height:58px;align-items:center}
.nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:2px}
.nav li{position:relative}
.nav a{display:block;padding:18px 14px;color:var(--text-2);text-decoration:none;font-weight:600;font-size:.82rem;
  text-transform:uppercase;letter-spacing:.14em;position:relative}
.nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:10px;height:1px;background:#fff;transform:scaleX(0);transition:transform .2s}
.nav a:hover,.nav a.is-active{color:#fff}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1)}
.nav .sub{display:none;position:absolute;top:100%;left:0;background:var(--surface);border:1px solid var(--line);border-radius:0 0 12px 12px;
  padding:8px;min-width:320px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 20px 40px rgba(0,0,0,.6)}
.nav .sub a{text-transform:none;letter-spacing:0;font-size:.95rem;font-weight:500;padding:10px 14px;border-radius:8px}
.nav .sub a::after{display:none}
.nav .sub a:hover{background:var(--surface-2)}
.nav .has-sub:hover .sub,.nav .has-sub:focus-within .sub{display:flex}
.nav .nav-cta-li{margin-left:14px}
.nav a.nav-cta{color:#000;background:#fff;border-radius:999px;padding:9px 18px;font-size:.78rem}
.nav a.nav-cta::after{display:none}
.nav a.nav-cta:hover{background:var(--text-2)}
.menu-toggle{display:none;background:none;border:0;width:48px;height:48px;padding:12px;cursor:pointer}
.menu-toggle span:not(.sr){display:block;height:2px;background:#fff;margin:5px 0;transition:transform .2s,opacity .2s}

/* hero */
.hero{border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center;padding-top:80px;padding-bottom:80px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6em}
.hero-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.hero-card .big{font-size:1.9rem;font-weight:700;line-height:1.15;margin-bottom:.4em;color:#fff}
.hero-card p{color:var(--text-2)}

/* sezioni */
.section{padding:72px 0}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:28px}
.page-head{border-bottom:1px solid var(--line);padding:64px 0 52px;text-align:center}
.page-head h1{max-width:24ch;margin-left:auto;margin-right:auto}
.page-head .lead{margin-left:auto;margin-right:auto}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card,.product-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--text);
  display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.section.alt .card,.section.alt .product-card{background:var(--bg)}
.card{padding:30px}
.card p{color:var(--muted);flex:1}
.card:hover,.product-card:hover{border-color:#555;transform:translateY(-3px);color:var(--text)}
.product-card{overflow:hidden}
.pimg{height:280px;display:flex;align-items:center;justify-content:center;padding:28px;
  background:radial-gradient(ellipse at center,#1c1c1c 0%,#0a0a0a 70%);border-bottom:1px solid var(--line)}
.pimg img{width:100%;height:100%;min-height:0;object-fit:contain;filter:drop-shadow(0 18px 24px rgba(0,0,0,.7))}
.pbody{padding:22px 26px}
.pbody h3{margin-bottom:.4em}
.note{margin-top:28px;color:var(--muted)}
.visit{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.faq-teaser{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.faq-teaser ul{padding-left:1.1em;color:var(--text-2)}

/* articoli */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start}
.article-layout.split{grid-template-columns:1fr 1fr}
.article-layout.contact-layout{grid-template-columns:360px minmax(0,1fr)}
.prose{max-width:70ch;color:var(--text-2)}
.prose h2{margin-top:1.6em;font-size:1.45rem}
.prose h3{margin-top:1.3em}
.prose strong{color:#fff}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.35em}
.side{position:sticky;top:90px;display:grid;gap:16px}
.side-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.side-box h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.16em;color:var(--muted)}
.side-box ul{list-style:none;padding:0;margin:0}
.side-box li{padding:10px 0;border-top:1px solid var(--line)}
.side-box li a{text-decoration:none;color:var(--text);font-weight:500}
.side-box.dark{background:#fff;color:#000;border-color:#fff}
.side-box.dark h2{color:#555}
.side-box.dark .btn{background:#000;color:#fff;border-color:#000}
.side-box.dark .btn:hover{background:transparent;color:#000}
.contact-cards{display:grid;gap:16px}
.big-link{font-size:1.6rem;font-weight:700;text-decoration:none;color:#fff}

/* contatti */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.contact-tile{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;text-decoration:none;color:var(--text);transition:border-color .2s,transform .2s}
.contact-tile:hover{border-color:#555;transform:translateY(-3px);color:var(--text)}
.contact-tile .kicker{margin-bottom:.2em}
.tile-big{font-size:1.55rem;font-weight:700;color:#fff;line-height:1.25}
.tile-mail{font-size:1.15rem;word-break:break-all}
.tile-sub{color:var(--text-2)}
.contact-tile .more{margin-top:auto;padding-top:14px;align-self:flex-start}
.map-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.map-box{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:#050505}
.map-box iframe{width:100%;height:100%;border:0;display:block;filter:invert(.9) hue-rotate(180deg) saturate(.4) contrast(.95)}
.map-big{position:absolute;right:12px;bottom:12px;background:#000;color:#fff;border:1px solid var(--line-2);border-radius:999px;
  padding:7px 14px;font-size:.8rem;font-weight:600;text-decoration:none}
.map-big:hover{border-color:#fff;color:#fff}
.nav-apps{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.4em}

/* faq */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.faq[open]{border-color:#444}
.faq summary{cursor:pointer;padding:20px 56px 20px 24px;font-weight:600;list-style:none;position:relative;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:1.5rem;font-weight:300}
.faq[open] summary::after{content:"–"}
.faq .prose{padding:0 24px 8px}
.after-faq{margin-top:28px;color:var(--text-2)}

/* prodotto */
.product-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.product-media{background:radial-gradient(ellipse at center,#1c1c1c 0%,#0a0a0a 70%);border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.product-media img{filter:drop-shadow(0 24px 30px rgba(0,0,0,.75))}
.specs{display:grid;grid-template-columns:auto 1fr;gap:6px 20px;margin:1.2em 0}
.specs dt{color:var(--muted)}
.specs dd{margin:0;font-weight:600}
.ticks{list-style:none;padding:0;columns:2;gap:24px;margin:0 0 1.2em;color:var(--text-2)}
.ticks li{padding-left:1.5em;position:relative;margin-bottom:.4em;break-inside:avoid}
.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:.7em;height:.4em;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.price-note{font-weight:700;color:#fff}

/* form */
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:grid;gap:16px}
.section.alt .form{background:var(--bg)}
.form h2{margin-bottom:0}
.form label{display:grid;gap:6px;font-weight:600;font-size:.88rem;color:var(--text-2)}
.form input,.form textarea,.form select{font:inherit;font-weight:400;padding:.75em .9em;border:1px solid var(--line-2);border-radius:10px;
  background:#050505;color:#fff;width:100%}
.form input::placeholder{color:#5c5c5c}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid #fff;outline-offset:1px;border-color:#fff}
.form .check{grid-template-columns:auto 1fr;align-items:start;font-weight:400;font-size:.86rem;color:var(--muted)}
.form .check input{width:auto;margin-top:.3em;accent-color:#fff}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hp{position:absolute;left:-9999px}
.opt{font-weight:400;color:var(--muted);font-size:.8rem;margin-left:4px}
.form .check em{display:block;font-style:normal;color:#6f6f6f;margin-top:2px}
.form-note{font-size:.85rem;color:var(--muted)}
.updated{font-size:.85rem;color:var(--muted)}
.form .btn{justify-self:start}

/* footer */
.site-footer{background:var(--bg);border-top:1px solid var(--line);color:var(--text-2);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}
.footer-brand{font-size:1.2rem;font-weight:700;color:#fff;margin-bottom:.2em;text-transform:uppercase;letter-spacing:.16em}
.footer-h{font-size:.74rem;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);margin-bottom:.8em}
.legal{border-top:1px solid var(--line);margin-top:40px;padding-top:22px;font-size:.82rem;color:var(--muted);text-align:center}


/* instagram */
.ig-layout{display:grid;grid-template-columns:1fr 1.25fr;gap:48px;align-items:start}
.ig-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:grid;grid-template-columns:1fr;gap:24px;justify-items:start;position:sticky;top:90px}
.ig-qr{display:block;background:#fff;padding:14px;border-radius:14px;width:228px}
.ig-qr img{width:200px;height:200px}
.ig-handle{font-size:1.25rem;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:.5em}
.ig-box p{color:var(--text-2)}

/* lingue */
.navbar-inner{position:relative}
.langs{position:absolute;left:24px;top:50%;transform:translateY(-50%);display:flex;gap:8px;align-items:center}
.flag{display:block;width:26px;height:18px;border-radius:3px;overflow:hidden;opacity:.45;outline:1px solid #333;transition:opacity .15s,transform .15s}
.flag svg{display:block;width:100%;height:100%}
.flag:hover{opacity:.9;transform:translateY(-1px)}
.flag[aria-current="true"]{opacity:1;outline:2px solid #fff;outline-offset:1px}
.note-lang{font-size:.88rem;color:var(--muted);border-left:2px solid var(--line-2);padding-left:12px}

/* brand */
.brands{border-bottom:1px solid var(--line);padding:34px 0 30px;overflow:hidden}
.brands-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:18px}
.brands-head .kicker{margin:0}
.marquee{display:flex;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{list-style:none;margin:0;padding:0;display:flex;flex-shrink:0;gap:0;animation:scorri 32s linear infinite}
.marquee-track li{padding:0 44px;font-size:clamp(1.4rem,3vw,2.1rem);font-weight:300;letter-spacing:.16em;text-transform:uppercase;color:#d9d9d9;white-space:nowrap;position:relative}
.marquee-track li::after{content:"";position:absolute;right:-3px;top:50%;width:6px;height:6px;border-radius:50%;background:#444;transform:translateY(-50%)}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scorri{to{transform:translateX(-100%)}}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none}.marquee{flex-wrap:wrap;-webkit-mask-image:none;mask-image:none}.marquee-track[aria-hidden]{display:none}.marquee-track{flex-wrap:wrap;row-gap:12px}}

/* meteo */
.meteo{display:grid;grid-template-columns:1.2fr 1fr 2fr;gap:20px;align-items:stretch}
.meteo-now,.meteo-uv,.meteo-days{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.meteo-now{display:flex;gap:20px;align-items:center}
.mn-ico svg{width:72px;height:72px;color:#fff}
.mn-temp{font-size:3rem;font-weight:700;line-height:1;margin:0 0 .15em;color:#fff}
.mn-cond{margin:0;color:var(--text-2);font-weight:600}
.mn-det{margin:.4em 0 0;color:var(--muted);font-size:.88rem}
.uv-val{font-size:2.6rem;font-weight:700;line-height:1;margin:0 0 .3em;color:#fff}
.uv-tip{margin:0;color:var(--text-2);font-size:.92rem}
.meteo-uv.uv-2,.meteo-uv.uv-3{border-color:#5a5a5a}
.meteo-days{list-style:none;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;text-align:center}
.meteo-day{display:flex;flex-direction:column;align-items:center;gap:8px}
.md-name{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.md-ico svg{width:34px;height:34px;color:#fff}
.md-t strong{color:#fff}
.md-t span{color:var(--muted)}
.meteo-credit{margin:14px 0 0;font-size:.78rem;color:var(--muted)}

/* responsive */
@media (max-width:1000px){
  .navbar-inner{justify-content:flex-end;min-height:52px}
  .meteo{grid-template-columns:1fr 1fr}
  .ig-layout{grid-template-columns:1fr}
  .ig-box{position:static}
  .meteo-days{grid-column:1/-1}
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#000;border-bottom:1px solid var(--line);padding:8px 24px 24px}
  .nav.open{display:block}
  .nav ul{flex-direction:column;align-items:stretch;gap:0}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav a::after{display:none}
  .nav .sub{display:flex;position:static;border:0;box-shadow:none;padding:0 0 0 14px;min-width:0;background:none}
  .nav .sub a{padding:12px 0;border-radius:0}
  .nav .nav-cta-li{margin:18px 0 0}
  .nav a.nav-cta{display:inline-block;border:0;padding:12px 22px}
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero-inner,.visit,.article-layout,.article-layout.split,.article-layout.contact-layout,.product-grid{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr 1fr}
  .map-layout{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
  .side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .brand-row{padding-top:26px;padding-bottom:22px}
  .hero-inner{padding-top:48px;padding-bottom:48px;gap:28px}
  .section{padding:48px 0}
  .page-head{padding:44px 0 36px}
  .grid3,.grid2,.row2,.footer-grid,.contact-grid{grid-template-columns:1fr}
  .map-box{aspect-ratio:1/1}
  .ticks{columns:1}
  .meteo{grid-template-columns:1fr}
  .ig-box{grid-template-columns:1fr;justify-items:start}
  .meteo-days{grid-template-columns:repeat(5,1fr);padding:18px 10px}
  .brands-head{flex-direction:column;gap:6px}
  .marquee-track li{padding:0 26px}
  .pimg{height:200px}
  .section-head{flex-direction:column;gap:4px}
}