/* PROCESS — extension layer. Editorial connected timeline, not cards. */

.tl { position: relative; margin-top: 3rem; }
.tl::before { content: ""; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 1px; background: var(--line-default); }
.tl__item { position: relative; display: grid; grid-template-columns: 24px 1fr; gap: 20px; padding-bottom: 2.75rem; }
.tl__item:last-child { padding-bottom: 0; }
.tl__dot { width: 23px; height: 23px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--surface-page); z-index: 1; display: grid; place-items: center; font-family: var(--font-mono); font-size: 0.58rem; color: var(--accent-strong); }
.tl__num { font-family: var(--font-display); font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1; letter-spacing: -0.02em; color: var(--color-navy); opacity: 0.14; }
.tl__body h2 { font-family: var(--font-display); font-size: 1.5rem; margin-top: -0.4rem; }
.tl__body p { color: var(--text-secondary); max-width: 38rem; margin-top: 0.5rem; }
.tl__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1rem; }
.tl__meta span { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; border: var(--border-soft); border-radius: var(--radius-pill); padding: 6px 12px; color: var(--text-secondary); background: rgba(255,255,255,0.6); }
.tl__meta span b { color: var(--accent-strong); font-weight: 500; }

@media (min-width: 1000px) {
  .tl::before { left: 50%; }
  .tl__item { grid-template-columns: 1fr 48px 1fr; gap: 0; padding-bottom: 3.5rem; }
  .tl__item .tl__dot { grid-column: 2; justify-self: center; }
  .tl__item .tl__side-a { grid-column: 1; grid-row: 1; text-align: right; padding-right: 2.5rem; }
  .tl__item .tl__side-b { grid-column: 3; grid-row: 1; padding-left: 2.5rem; }
  .tl__item--flip .tl__side-a { grid-column: 3; text-align: left; padding-left: 2.5rem; padding-right: 0; }
  .tl__item--flip .tl__side-b { grid-column: 1; text-align: right; padding-right: 2.5rem; padding-left: 0; }
  .tl__item--flip .tl__side-b p { margin-left: auto; }
}