.art-hero{background:radial-gradient(circle at 85% 15%,rgba(255,87,34,0.14),transparent 45%),linear-gradient(135deg,var(--blu),var(--blu-chiaro));color:white;padding:60px 24px}.art-breadcrumb{font-size:0.8rem;color:rgba(255,255,255,0.5);margin-bottom:20px}.art-breadcrumb a{color:rgba(255,255,255,0.7)}.art-breadcrumb a:hover{color:white}.art-hero-inner{max-width:800px;margin:0 auto}.art-cat{display:inline-block;background:rgba(255,87,34,0.25);color:#ffab91;font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;padding:4px 12px;border-radius:20px;margin-bottom:16px}.art-hero h1{font-family:var(--font-display);font-size:clamp(1.6rem,4vw,2.4rem);font-weight:900;line-height:1.25;margin-bottom:16px}.art-meta{display:flex;gap:20px;color:rgba(255,255,255,0.55);font-size:0.85rem;flex-wrap:wrap}.art-layout{max-width:1100px;margin:0 auto;padding:56px 24px;display:grid;grid-template-columns:1fr 280px;gap:56px;align-items:start}.art-content{font-size:1.05rem;line-height:1.8;color:#333}.art-content h2{font-family:var(--font-display);font-size:1.35rem;font-weight:900;color:var(--grigio-scuro);margin:40px 0 16px;padding-bottom:8px;border-bottom:2px solid var(--bordo)}.art-content p{margin-bottom:18px}.art-content ul,.art-content ol{padding-left:24px;margin-bottom:18px}.art-content li{margin-bottom:8px}.art-content .tip{background:var(--arancio-soft);border-left:4px solid var(--arancio);padding:16px 20px;border-radius:0 8px 8px 0;margin:24px 0;font-size:0.95rem}.art-content .tip strong{color:var(--arancio)}.art-content code{background:var(--grigio-chiaro);padding:2px 8px;border-radius:4px;font-family:monospace;font-size:0.9em;color:var(--blu);border:1px solid var(--bordo)}.art-content pre{background:#1c1c1e;color:#e8e8e8;padding:20px 24px;border-radius:10px;overflow-x:auto;font-size:0.88rem;line-height:1.65;margin:24px 0;box-shadow:0 8px 24px rgba(0,0,0,0.18)}.art-content pre code{background:none;padding:0;color:inherit;font-size:inherit}.art-tags-section{display:flex;gap:8px;flex-wrap:wrap;margin-top:40px;padding-top:24px;border-top:1.5px solid var(--bordo)}.yt-video-card{border:1.5px solid var(--bordo);border-radius:14px;overflow:hidden;margin:32px 0;background:white;box-shadow:0 2px 12px rgba(0,0,0,0.07);transition:box-shadow 0.3s,transform 0.3s var(--ease)}.yt-video-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}.yt-embed-wrap{position:relative;display:block;padding-bottom:56.25%;height:0;overflow:hidden;background:#000}.yt-embed-wrap img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 0.3s}.yt-embed-wrap:hover img{transform:scale(1.04)}.yt-play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.15);transition:background 0.2s}.yt-embed-wrap:hover .yt-play-overlay{background:rgba(0,0,0,0.35)}.yt-play-icon{width:60px;height:60px;border-radius:50%;background:#cc0000;color:white;display:flex;align-items:center;justify-content:center;font-size:1.5rem;padding-left:4px;box-shadow:0 4px 20px rgba(204,0,0,0.5);transition:transform 0.2s}.yt-embed-wrap:hover .yt-play-icon{transform:scale(1.1)}.yt-video-info{padding:18px 20px}.yt-label{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:#cc0000;display:block;margin-bottom:6px}.yt-video-info h3{font-size:1rem;font-weight:700;color:var(--grigio-scuro);margin-bottom:4px}.yt-video-info p{font-size:0.85rem;color:var(--grigio);margin-bottom:12px}.yt-open-btn{display:inline-block;font-size:0.82rem;font-weight:700;color:#cc0000;text-decoration:none;border:1.5px solid #cc0000;padding:5px 14px;border-radius:20px;transition:all 0.2s}.yt-open-btn:hover{background:#cc0000;color:white}.art-tags-section .tag{font-size:0.8rem;padding:4px 12px;background:var(--arancio-soft);color:var(--arancio);border-radius:20px;font-weight:600}.sidebar{position:sticky;top:88px}.sidebar-card{background:var(--grigio-chiaro);border-radius:12px;padding:24px;margin-bottom:20px;border:1.5px solid transparent;transition:border-color 0.25s,background 0.25s}.sidebar-card:hover{border-color:var(--bordo);background:white;box-shadow:var(--shadow-soft)}.sidebar-card h3{font-size:0.95rem;font-weight:700;margin-bottom:16px;color:var(--grigio-scuro)}.author-box{display:flex;align-items:center;gap:14px}.author-avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--blu),var(--blu-chiaro));display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.author-name{font-weight:700;font-size:0.95rem}.author-desc{font-size:0.8rem;color:var(--grigio);margin-top:3px}.sidebar-link{display:block;padding:10px 0;border-bottom:1px solid var(--bordo);font-size:0.875rem;color:var(--grigio-scuro);transition:color 0.2s}.sidebar-link:last-child{border-bottom:none}.sidebar-link:hover{color:var(--arancio)}.sidebar-link::before{content:'→ ';color:var(--arancio)}@media (max-width:768px){.art-layout{grid-template-columns:1fr}.sidebar{position:static}}