/* /blog — the standards ledger: year by year, a dated row per change (date · what changed · the guide that explains it
   · the source that sets the date), a rail of dots through the rows, and today's line between what is in force and
   what is coming. Desktop: the year sits in its own column and stays in view while its rows pass. Phones: one column. */
.blg-lg{margin-top:clamp(8px,1vw,14px)}
.blg-lg__bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;padding-bottom:16px;border-bottom:1px solid var(--ink)}
.blg-lg__count{font-family:var(--f);font-size:var(--t-lbl);font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.blg-lg__seg[hidden]{display:none}
.blg-lg__seg>button{display:inline-flex;align-items:center;gap:8px;min-height:40px}
.blg-lg__fn{font-family:var(--f);font-size:var(--t-lbl);color:var(--faint);font-variant-numeric:tabular-nums}
.blg-lg__seg>button[aria-pressed="true"] .blg-lg__fn{color:var(--blue-d)}

/* a year: the numeral in its own column, its rows beside it */
.blg-lg__y{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,10fr);column-gap:var(--bdh-gap);border-bottom:1px solid var(--line-3)}
.blg-lg__y[hidden]{display:none}
.blg-lg__yh{position:sticky;top:calc(var(--nav-h) + 28px);align-self:start;padding-top:22px;font-family:var(--f-h);font-size:clamp(1.9rem,3.2vw,3rem);font-weight:500;line-height:1;letter-spacing:-.04em;color:var(--ink);font-variant-numeric:tabular-nums}
.blg-lg__list{position:relative}

/* a row: rail + dot · date · what changed · the guide · the source */
.blg-lg__it{position:relative;display:grid;grid-template-columns:28px minmax(0,1.35fr) minmax(0,3.6fr) minmax(0,2.5fr) minmax(0,1.55fr);column-gap:clamp(14px,1.6vw,26px);align-items:start;
  padding:22px 0;border-bottom:1px solid var(--line)}
.blg-lg__list > :last-child{border-bottom:0}
.blg-lg__it[hidden],.blg-lg__now[hidden]{display:none}
.blg-lg__it::before{content:"";position:absolute;left:6px;top:0;bottom:0;border-left:1px solid var(--line-3)}
.blg-lg__list > .blg-lg__it:first-child::before{top:30px}
.blg-lg__list > .blg-lg__it:last-child::before{bottom:calc(100% - 30px)}
.blg-lg__it.is-next::before{border-left-style:dashed;border-left-color:var(--blue-line)}
.blg-lg__dot{position:relative;z-index:1;display:block;width:13px;height:13px;margin-top:4px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 4px var(--paper)}
.blg-lg__it.is-next .blg-lg__dot{background:var(--paper);border:2px solid var(--blue)}
.blg-lg__when{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding-top:1px;font-family:var(--f);font-size:var(--t-sm);font-weight:500;line-height:1.4;color:var(--ink);font-variant-numeric:tabular-nums}
.blg-lg__in{display:inline-flex;align-items:center;min-height:24px;padding:0 9px;border-radius:var(--r-pill);background:var(--blue-wash);color:var(--blue-d);font-size:var(--t-lbl);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.blg-lg__what{min-width:0}
.blg-lg__t{font-family:var(--f-h);font-size:clamp(1.05rem,1.3vw,1.24rem);font-weight:500;line-height:1.28;letter-spacing:-.012em;color:var(--ink);text-wrap:pretty}
.blg-lg__n{margin-top:6px;font-size:var(--t-sm);line-height:1.6;color:var(--txt)}
.blg-lg__g,.blg-lg__s{display:flex;flex-direction:column;align-items:flex-start;gap:6px;min-width:0;padding-top:2px;font-size:var(--t-sm);line-height:1.45}
.blg-lg__k{font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.blg-lg__ga,.blg-lg__sa{color:var(--ink);font-weight:500;text-decoration:underline;text-decoration-color:var(--blue-line);text-underline-offset:3px;transition:text-decoration-color var(--d1) var(--e-io),color var(--d1) var(--e-io)}
.blg-lg__ga:hover,.blg-lg__sa:hover{color:var(--blue-d);text-decoration-color:var(--blue)}
.blg-lg__sa::after{content:"\2197";margin-left:.25em;font-family:var(--f);font-size:.85em;color:var(--blue)}
.blg-lg__rv{font-family:var(--f);font-size:var(--t-lbl);letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}

/* today's line */
.blg-lg__now{position:relative;display:flex;align-items:center;gap:14px;min-height:52px;padding-left:28px}
.blg-lg__now::before{content:"";position:absolute;left:0;right:0;top:50%;border-top:1px solid var(--blue)}
.blg-lg__nowt{position:relative;display:inline-flex;align-items:center;gap:10px;min-height:28px;padding:0 12px 0 10px;border-radius:var(--r-pill);background:var(--paper);box-shadow:inset 0 0 0 1px var(--blue-line);
  font-family:var(--f);font-size:var(--t-lbl);font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-d)}
.blg-lg__now .bdh-pulse{width:8px;height:8px}

.blg-lg__note{max-width:76ch;margin-top:22px;font-size:var(--t-xs);line-height:1.65;color:var(--muted)}

@media (max-width:1100px){
  .blg-lg__it{grid-template-columns:28px minmax(0,1.3fr) minmax(0,3fr) minmax(0,2.4fr);row-gap:12px}
  .blg-lg__s{grid-column:4;grid-row:2}
  .blg-lg__g{grid-column:4;grid-row:1}
}
@media (max-width:860px){
  .blg-lg__y{grid-template-columns:minmax(0,1fr)}
  .blg-lg__yh{position:static;padding:26px 0 2px}
  .blg-lg__it{grid-template-columns:28px minmax(0,1fr);row-gap:10px;padding:18px 0}
  .blg-lg__when{grid-column:2;flex-direction:row;flex-wrap:wrap;align-items:center;gap:6px 12px}
  .blg-lg__what,.blg-lg__g,.blg-lg__s{grid-column:2;grid-row:auto}
  .blg-lg__dot{grid-row:1}
  .blg-lg__g,.blg-lg__s{flex-direction:row;flex-wrap:wrap;align-items:center;gap:2px 10px}
  .blg-lg__k{flex-basis:100%}
}
@media (max-width:680px){
  .blg-lg__seg{width:100%}
  .blg-lg__seg>button{flex:1;justify-content:center;min-height:44px;padding:0 10px}
  /* phones: the same rows, tighter — no stacked labels; the guide's title is the link, the source sits on one line */
  .blg-lg__yh{padding-top:22px;font-size:1.7rem}
  .blg-lg__it{row-gap:6px;padding:16px 0 12px}
  .blg-lg__n{margin-top:4px}
  .blg-lg__g .blg-lg__k{display:none}
  .blg-lg__g,.blg-lg__s{gap:0 10px;padding-top:0}
  .blg-lg__k{flex-basis:auto}
  .blg-lg__ga,.blg-lg__sa{display:inline-block;padding-block:13px;line-height:1.4}
  .blg-lg__ga{margin-block:-6px}
  .blg-lg__rv{flex-basis:100%;margin-top:-6px}
}
@media (max-width:400px){
  .blg-lg__fn{display:none}
  .blg-lg__seg>button{min-width:0;padding:0 6px;white-space:normal;line-height:1.2;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  .blg-lg__ga,.blg-lg__sa{transition:none}
}

/* touch screens (phones and tablets): 44px tap targets (integrator, responsive pass) */
@media (pointer:coarse){
  .blg-lg__ga,.blg-lg__sa{display:flex;align-items:center;min-height:44px}
}