:root { --bg:#0f0f11; --card:#151519; --text:#e9e9ee; --muted:#b9b9c2; --accent:#c7a869; --accent-2:#8c6a2f; --maxw:1120px; --radius:18px; --shadow:0 10px 30px rgba(0,0,0,.35); }
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,-apple-system,Segoe UI,Roboto,Helvetica,Arial,system-ui;background:radial-gradient(1200px 800px at 20% -10%,#1a1a1f,#0f0f11 60%);color:var(--text);line-height:1.6;letter-spacing:.2px}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}

header{position:sticky;top:0;z-index:20;backdrop-filter:saturate(120%) blur(10px);background:rgba(10,10,12,.6);border-bottom:1px solid rgba(255,255,255,.06)}
.container{margin:0 auto;max-width:var(--maxw);padding:0 16px}
.nav{margin:0 auto;max-width:var(--maxw);padding:12px 16px;display:flex;align-items:center;justify-content:space-between}

.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand a{color:var(--text);opacity:.95}
.brand a:hover{opacity:1;text-decoration:none}
.brand-badge{width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:grid;place-items:center;color:#0c0c0f;font-weight:800;font-size:14px;box-shadow:0 6px 18px rgba(199,168,105,.35)}

nav ul{list-style:none;display:flex;gap:16px;margin:0;padding:0}
nav a{color:var(--text);opacity:.9}
nav a:hover{opacity:1;text-decoration:none}
.menu-btn{display:none}

.hero{padding:64px 0 36px}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.15;margin:10px 0 14px}
.hero p{color:var(--muted);font-size:clamp(16px,2.6vw,18px)}

.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);color:var(--text);padding:6px 10px;border-radius:999px;font-size:13px}

.cta-row{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 16px;border-radius:12px;font-weight:600;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:var(--text)}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#0b0b0e;border:none;box-shadow:0 10px 24px rgba(199,168,105,.3)}
.btn.icon{display:inline-flex;align-items:center;gap:8px}
.btn.icon svg{width:18px;height:18px;flex:0 0 18px}

section{padding:26px 0 8px}
.section-title{font-size:22px;margin:8px 0 12px}
.section-sub{color:var(--muted);margin:0 0 16px}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.card{grid-column:span 12;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.00));border:1px solid rgba(255,255,255,.07);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin:6px 0 6px;font-size:18px}
.card p{margin:0 0 10px;color:var(--muted)}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);font-size:12px;margin-bottom:8px}

.placeholder{width:72px;height:72px;border-radius:16px;background:#202028;border:1px solid rgba(255,255,255,.08);display:grid;place-items:center;color:var(--muted);font-size:12px;font-weight:600}
.item{display:flex;gap:14px;align-items:center}
@media (min-width:760px){.card{grid-column:span 6}}
.wide{grid-column:span 12!important}

footer{margin-top:34px;padding:32px 0 48px;color:var(--muted);border-top:1px solid rgba(255,255,255,.08)}

@media (max-width:640px){
  .menu-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);color:var(--text)}
  nav ul{display:none;position:absolute;right:16px;top:54px;background:rgba(15,15,18,.98);padding:10px;border-radius:12px;border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow)}
  nav ul.open{display:flex;flex-direction:column;gap:8px}
}

/* 🎥 Embed YouTube responsivo */
.yt-embed{aspect-ratio:16/9;width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow)}

/* ▶️ Thumb video */
.thumb{position:relative;display:inline-block;width:72px;height:72px;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.08);background:#202028}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.play-badge{position:absolute;inset:auto;left:50%;top:50%;transform:translate(-50%,-50%);width:36px;height:36px;border-radius:50%;background:rgba(0,0,0,.55);display:grid;place-items:center}
.play-badge svg{width:16px;height:16px;fill:white}
.thumb:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.links{display:flex;gap:8px;flex-wrap:wrap}

/* Utilità per Assistenza */
.breadcrumb{color:var(--muted);font-size:13px;margin:4px 0 10px}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--text)}
.hr{height:1px;background:rgba(255,255,255,.08);border:0;margin:14px 0}
.list{margin:0;padding-left:18px;color:var(--muted)}
.note{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px 14px;color:var(--muted)}