/* Training: the online courses and the live events. Light page, the site's own tokens. */
.tr-hero { padding: calc(var(--nav-h) + 4rem) var(--gutter) 2.5rem;  }
.tr-hero .statement { max-width: 44rem; }
.tr-section { padding: 2rem var(--gutter) 4rem;  }
.tr-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.tr-head .lead { margin: 0; max-width: 40rem; }
.course { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr); gap: 2rem; align-items: start; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.5rem; background: var(--paper-2); }
.course .film { position: relative; border-radius: var(--r-md); overflow: hidden; background: #000; box-shadow: 0 30px 60px -40px rgba(0, 0, 0, 0.6); }
.course .film video { width: 100%; aspect-ratio: 16 / 9; display: block; background: #000; }
.course .preview-note { font-size: 0.85rem; color: var(--muted); margin: 0.6rem 0 0; }
.course .buy { position: sticky; top: calc(var(--nav-h) + 1rem); }
.course .buy .eyebrow { align-self: flex-start; }
.course .buy h2 { margin: 0.75rem 0 0.25rem; }
.course .buy .sub { color: var(--muted); margin: 0 0 1rem; }
.course .buy .price-note { font-size: 0.9rem; color: var(--muted); margin: 0.75rem 0 1.25rem; }
.course .buy .btn { width: 100%; justify-content: center; }
.course .buy .btn + .btn { margin-top: 0.6rem; }
.course .buy ul { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: 0.45rem; font-size: 0.95rem; }
.course .buy ul li { padding-left: 1.4rem; position: relative; }
.course .buy ul li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--accent); }
.chapters { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1.5rem; }
.chapters li { display: grid; grid-template-columns: 2rem 1fr auto; gap: 0.75rem; align-items: baseline; padding: 0.6rem 0; border-top: 1px solid var(--line); font-size: 0.98rem; }
.chapters .n { font-family: var(--font-head); font-weight: 700; color: var(--accent); }
.chapters .d { color: var(--muted); font-variant-numeric: tabular-nums; }
.chapters .free { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-left: 0.5rem; }
.events { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; }
.event { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.5rem; background: var(--paper-2); display: flex; flex-direction: column; gap: 0.6rem; }
.event .when { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; }
.event .where { color: var(--muted); }
.event h3 { margin: 0.25rem 0 0; }
.event p { margin: 0; }
.event .btn { align-self: flex-start; margin-top: 0.75rem; }
@media (max-width: 860px) {
    .course { grid-template-columns: 1fr; }
    .course .buy { position: static; }
    .chapters { grid-template-columns: 1fr; }
}