#corso-hero{position:relative;isolation:isolate}
  .hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
  .hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 32%;transform:scale(1.02)}
  .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(10,20,36,.94) 0%,rgba(12,26,44,.86) 42%,rgba(20,48,79,.62) 100%),linear-gradient(0deg,rgba(10,20,36,.5),transparent 60%)}
  #corso-hero>.glow{z-index:1}
  #corso-hero>.container{position:relative;z-index:2}
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em;
    background:color-mix(in oklch,#fff 8%,transparent);border:1px solid var(--on-ink-border);color:#fff}
  .chip svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2}
  .chip.accent{background:var(--accent);border-color:var(--accent);color:var(--accent-on,#0f1b13);font-weight:600}
  .detail-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:56px;align-items:start}
  @media(max-width:920px){.detail-grid{grid-template-columns:1fr;gap:32px}}
  .prog li{list-style:none;padding:16px 0;border-top:1px solid var(--border);display:flex;gap:14px;align-items:flex-start}
  .prog{margin:0;padding:0}
  .prog li:first-child{border-top:0}
  .prog .n{font-family:var(--font-mono);font-size:13px;color:var(--accent-ink);flex:0 0 auto;min-width:26px}
  .prog li p{margin:2px 0 0;color:var(--muted);font-size:14.5px;text-wrap:pretty}
  .prog li h4{margin:0;font-size:15.5px;text-wrap:pretty}
  .side-card{position:sticky;top:88px}
  .side-card .row-line{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid var(--border);font-size:14.5px}
  .side-card .row-line:first-of-type{border-top:0}
  .side-card .row-line b{font-family:var(--font-mono);font-weight:600;text-align:right}
  .norm{margin-top:44px;padding:22px 24px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
  .norm p{margin:8px 0 0;max-width:70ch;text-wrap:pretty}
  .norm .nota{margin-top:12px;font-size:14px;color:var(--muted);display:flex;gap:9px;align-items:flex-start}
  .norm .nota svg{width:16px;height:16px;flex:0 0 auto;margin-top:2px;stroke:var(--accent-ink);fill:none;stroke-width:2}
  .empty-dates{color:var(--muted);padding:20px;border:1px dashed var(--border);border-radius:var(--radius);text-align:center}
  /* selettore modalità (corsi Aula + Online) */
  .modechooser{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
  .mc-card{display:grid;gap:24px}
  .mc-head{max-width:64ch}
  .mc-options{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  @media(max-width:720px){.mc-options{grid-template-columns:1fr}}
  .mc-opt{position:relative;text-align:left;display:grid;grid-template-columns:auto 1fr auto;grid-template-areas:"ic t check" "ic d check";column-gap:14px;row-gap:5px;align-items:start;
    padding:20px 22px;border:1.5px solid var(--border);border-radius:var(--radius-lg);background:var(--bg);transition:border-color .16s,background .16s,box-shadow .16s}
  .mc-opt:hover{border-color:var(--accent-line)}
  .mc-opt.is-active{border-color:var(--accent);background:color-mix(in oklch,var(--accent) 8%,var(--surface));box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 18%,transparent)}
  .mc-ic{grid-area:ic;width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--accent-soft);color:var(--accent-ink)}
  .mc-ic svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.9}
  .mc-t{grid-area:t;font-family:var(--font-display);font-weight:680;font-size:16.5px;letter-spacing:-.01em;align-self:center}
  .mc-d{grid-area:d;color:var(--muted);font-size:13.5px;line-height:1.5}
  .mc-check{grid-area:check;align-self:center;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--border);display:grid;place-items:center;background:transparent;transition:.16s}
  .mc-check svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2.6;opacity:0}
  .mc-opt.is-active .mc-check{background:var(--accent);border-color:var(--accent);color:var(--accent-on,#0f1b13)}
  .mc-opt.is-active .mc-check svg{opacity:1}
  .mc-cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
  /* date in programma */
  .drow{display:grid;grid-template-columns:56px 1.4fr .9fr auto auto;gap:18px;align-items:center;padding:12px 0;border-top:1px solid var(--border)}
  .drow:first-child{border-top:0}
  .ddate{display:flex;flex-direction:column;align-items:center;justify-content:center;width:52px;height:52px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg)}
  .ddate .d{font-family:var(--font-display);font-size:20px;font-weight:760;line-height:1}
  .ddate .m{font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin-top:3px}
  .dinfo .dlabel,.ddur .dlabel{display:none}
  .dinfo .ddates{font-size:15px;font-weight:700;margin:0 0 3px;font-family:var(--font-display);letter-spacing:-.01em}
  .dinfo .dval{font-size:14.5px;font-weight:600;margin:0;display:flex;align-items:center;gap:7px}
  .dinfo .dval svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.9;color:var(--accent-ink);flex:0 0 auto}
  .dinfo .dnote{font-size:12.5px;color:var(--muted);margin:2px 0 0}
  .ddur .dval{font-size:13.5px;font-weight:600;margin:0;display:flex;align-items:center;gap:7px;color:var(--muted);font-family:var(--font-mono)}
  .ddur .dval svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.9;color:var(--accent-ink);flex:0 0 auto}
  .dseats{font-family:var(--font-mono);font-size:12px;justify-self:start;white-space:nowrap}
  .dseats.ok{color:#0f7a52}.dseats.low{color:#b23120}
  .drow .btn{white-space:nowrap;padding:9px 16px;font-size:14px}
  @media(max-width:760px){
    .drow{grid-template-columns:52px 1fr auto;grid-template-areas:"date info btn" "date dur btn" "date seats btn";row-gap:4px;column-gap:14px;align-items:center;padding:14px 0}
    .drow>.ddate{grid-area:date;align-self:center}.drow>.dinfo{grid-area:info}.drow>.ddur{grid-area:dur}.drow>.dseats{grid-area:seats}.drow>.btn{grid-area:btn;align-self:center}
  }