/* ============================================================
   versions.html, calquee sur attio.com/changelog : cadre borde, barre
   « Changelog / annee » et nombre de mises a jour, titre centre, frise
   (un trait par version), lignes depliables date / titre / etiquettes.
   Nav, pied de page, jetons et boutons viennent de help.css.
   ============================================================ */
.cl { max-width: 1440px; margin: 0 auto; padding: 0 24px; }
.cl-frame { border-left: 1px solid #e8eaee; border-right: 1px solid #e8eaee; padding-bottom: 120px; }

/* Barre du haut */
.cl-bar { display: flex; justify-content: space-between; gap: 16px; padding: 76px 115px 18px; border-bottom: 1px solid var(--line-2);
  font: 600 12px/14px var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.cl-bar a { color: var(--muted); }
.cl-bar a:hover { color: var(--ink); }

/* Titre */
.cl-hero { padding: 80px 24px 40px; text-align: center; }
.cl-hero h1 { font-family: var(--font-display); font-weight: 600; font-size: 56px; line-height: 60px; letter-spacing: -.015em; color: var(--ink); }
.cl-hero p { margin-top: 16px; font: 500 20px/26px var(--font-body); letter-spacing: -.01em; color: var(--text); }
.cl-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 24px; }

/* Frise : une colonne par version, un trait de 1px au centre */
.cl-timeline { position: relative; padding: 32px 115px 56px; }
.cl-months { position: relative; height: 14px; margin-bottom: 12px; }
.cl-month { position: absolute; left: calc((var(--i) + .5) / var(--n) * 100%); transform: translateX(-50%);
  font: 600 12px/14px var(--font-body); letter-spacing: .06em; color: var(--faint); }
.cl-month.is-current { color: var(--ink); }
.cl-ticks { display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); height: 48px; }
.cl-tick { position: relative; display: block; }
.cl-tick::after { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: #d3d8df; transition: background-color .15s ease, transform .15s ease; }
.cl-tick.is-current::after { background: #6f7988; }
.cl-tick:hover::after, .cl-tick:focus-visible::after { background: var(--ink); transform: scaleX(2); }
.cl-tick:focus-visible { outline: none; }

/* Lignes */
.cl-list { border-top: 1px solid var(--line-2); }
.cl-entry { scroll-margin-top: calc(var(--nav-h) + 16px); }
.cl-row { display: grid; grid-template-columns: 230px minmax(0, 1fr) 300px 20px; gap: 0 12px; align-items: start; padding: 24px 50px 24px 115px;
  list-style: none; cursor: pointer; transition: background-color .15s ease; }
.cl-row::-webkit-details-marker { display: none; }
.cl-row:hover, .cl-entry[open] > .cl-row { background: #f8f8f9; }
.cl-row:focus-visible { outline: 2px solid var(--brand-bright); outline-offset: -2px; }
.cl-row time { padding-top: 3px; font: 600 12px/14px var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.cl-main h2 { font: 600 16px/20px var(--font-body); letter-spacing: -.01em; color: var(--ink); }
.cl-main p { max-width: 420px; margin-top: 2px; font: 500 14px/20px var(--font-body); color: var(--muted); }
.cl-tags { display: flex; flex-direction: column; gap: 0; }
.cl-tag { display: inline-flex; align-items: center; gap: 8px; font: 500 14px/20px var(--font-body); color: #a4adba; }
.cl-tag::before, .cl-dot { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.cl-tag--feature::before, .cl-dot--feature { background: #7c9cf0; }
.cl-tag--improvement::before, .cl-dot--improvement { background: #a78bf0; }
.cl-tag--fix::before, .cl-dot--fix { background: #5fb98b; }
.cl-arrow { width: 14px; height: 14px; margin-top: 3px; color: var(--faint); transition: transform .2s ease; }
.cl-entry[open] .cl-arrow { transform: rotate(90deg); }

/* Contenu deplie, aligne sur la colonne du titre */
.cl-body { padding: 4px 50px 40px 357px; background: #f8f8f9; }
.cl-meta { display: flex; align-items: center; gap: 16px; font: 500 13px/18px var(--font-body); color: var(--muted); }
.cl-copy { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.cl-copy svg { width: 14px; height: 14px; }
.cl-copy:hover { color: var(--ink); }
.cl-group { max-width: 656px; margin-top: 24px; }
.cl-group h3 { display: flex; align-items: center; gap: 10px; font: 600 15px/22px var(--font-body); color: var(--ink); }
.cl-group ul { margin: 8px 0 0; padding-left: 34px; }
.cl-group li { margin-top: 6px; font: 400 15px/24px var(--font-body); color: #4b5361; }
.cl-group li::marker { color: var(--faint); }

@media (max-width: 1100px) {
  .cl-bar, .cl-timeline { padding-left: 40px; padding-right: 40px; }
  .cl-row { grid-template-columns: 140px minmax(0, 1fr) 150px 20px; padding: 22px 24px 22px 40px; }
  .cl-body { padding: 4px 24px 32px 192px; }
}
@media (max-width: 720px) {
  .cl { padding: 0; }
  .cl-frame { border: 0; }
  .cl-bar { padding: 40px 16px 14px; }
  .cl-hero { padding: 56px 16px 24px; }
  .cl-hero h1 { font-size: 40px; line-height: 44px; }
  .cl-hero p { font-size: 18px; line-height: 24px; }
  .cl-timeline { padding: 16px 16px 32px; }
  .cl-row { grid-template-columns: minmax(0, 1fr) 20px; gap: 6px 12px; padding: 20px 16px; }
  .cl-row time { grid-column: 1; }
  .cl-main { grid-column: 1; }
  .cl-tags { grid-column: 1; flex-direction: row; gap: 12px; }
  .cl-arrow { grid-column: 2; grid-row: 1; }
  .cl-body { padding: 0 16px 28px; }
}
@media (prefers-reduced-motion: reduce) { .cl-arrow, .cl-tick::after, .cl-row { transition-duration: .01s; } }