/* Sources: a schematic credits sheet. Load after tokens.css, chrome.css, mission.css. */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 var(--sp3); font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.crumbs a { text-decoration: none; color: var(--ink-2); }
.crumbs a:hover { color: var(--ink); }
.sec { position: relative; padding: var(--sec-y) var(--gut); border-top: 1px solid var(--line); }
.ph { position: relative; padding: 112px var(--gut) var(--sp5); overflow: hidden; }
.ph::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(50% 80% at 76% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%); }
.ph .wrap { position: relative; }
.ph .m-eyebrow { margin-bottom: var(--sp2); }
.h1 { margin: 0; max-width: 18ch; font: 400 clamp(38px, 4.8vw, 70px)/1.03 var(--sans); letter-spacing: -.045em; text-wrap: balance; }
.lede { margin: var(--sp3) 0 0; max-width: 62ch; font-size: var(--t-lead); line-height: 1.62; color: var(--ink-2); font-weight: 300; }
.sec-h { max-width: 860px; margin-bottom: var(--sp4); }
.sec-p { margin: var(--sp2) 0 0; max-width: 64ch; font-size: 15px; line-height: 1.65; color: var(--ink-2); font-weight: 300; }
.sec-p a, .note a { color: var(--ink); text-underline-offset: 4px; text-decoration-color: var(--line-2); }

/* ---------- licence ruler (signature): every dataset placed on the licence it comes with ---------- */
.lr { position: relative; margin: 0 0 var(--sp5); padding: 26px 22px 22px; border-radius: var(--r-xl); border: 1px solid var(--line); overflow: hidden; isolation: isolate;
  background: radial-gradient(80% 70% at 50% 30%, #0c1530 0%, #060914 55%, #03050c 100%); }
:root[data-theme="light"] .lr { border-color: rgba(11, 13, 18, .14); box-shadow: 0 30px 60px -36px rgba(15, 20, 30, .45); }
.lr::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px); background-size: 48px 48px; -webkit-mask: radial-gradient(80% 80% at 50% 40%, #000 20%, transparent 80%); mask: radial-gradient(80% 80% at 50% 40%, #000 20%, transparent 80%); }
.lr-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.lr-top .m-eyebrow > span { border-color: color-mix(in srgb, var(--m-hl) 55%, transparent); }
.lr-top .m-eyebrow { color: var(--m-hl); }
.lr-axis { position: relative; display: flex; justify-content: space-between; margin: 0 0 18px; font: 500 9.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.lr-axis::after { content: ""; position: absolute; left: 0; right: 0; top: 18px; height: 1px; background: linear-gradient(90deg, var(--m-hl), color-mix(in srgb, var(--warm) 80%, transparent)); opacity: .7; }
.lr-bands { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.lr-band { position: relative; padding: 18px 10px 4px; border-left: 1px solid var(--line); }
.lr-band:first-child { border-left: 0; padding-left: 0; }
.lr-band::before { content: ""; position: absolute; left: -4px; top: -1px; width: 7px; height: 7px; border-radius: 50%; background: #05070c; border: 1px solid var(--m-hl); }
.lr-band:first-child::before { left: -1px; }
.lr-n { margin: 0; font: 500 10px/1.35 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.lr-c { margin: 4px 0 12px; font: 400 10.5px/1.4 var(--mono); color: var(--muted); }
.lr-dots { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.lr-dot { display: flex; align-items: center; gap: 8px; width: 100%; padding: 6px 8px; border-radius: 9px; border: 1px solid var(--line); background: rgba(13, 17, 26, .5); color: var(--ink-2); cursor: pointer; text-align: left; font-size: 12px; line-height: 1.25; transition: border-color .3s, color .3s, background-color .3s; }
.lr-dot::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--muted); transition: background-color .3s, box-shadow .3s; }
.lr-dot:hover, .lr-dot:focus-visible { color: var(--ink); border-color: color-mix(in srgb, var(--m-hl) 70%, transparent); }
.lr-dot[aria-pressed="true"] { color: var(--ink); border-color: var(--m-hl); background: color-mix(in srgb, var(--m-hl) 12%, rgba(13, 17, 26, .6)); }
.lr-dot[aria-pressed="true"]::before { background: var(--m-hl); box-shadow: 0 0 0 4px color-mix(in srgb, var(--m-hl) 22%, transparent); }
.lr-read { margin: 16px 0 0; min-height: 1.5em; font: 400 12px/1.5 var(--mono); color: var(--ink-2); }
.lr-read b { font-weight: 500; color: var(--m-hl); }

/* ---------- dataset and library rows ---------- */
.tb { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-2); }
.tb-head, .tb-row { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, .9fr); gap: 4px var(--sp3); }
.tb-head { padding: 12px 0; font: 500 10px/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); }
.tb-row { position: relative; padding: 18px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 110px; transition: background-color .4s; }
.tb-row.hl { background: color-mix(in srgb, var(--accent) 7%, transparent); box-shadow: -14px 0 0 color-mix(in srgb, var(--accent) 7%, transparent), 14px 0 0 color-mix(in srgb, var(--accent) 7%, transparent); }
.tb-row.hl::before { content: ""; position: absolute; left: -14px; top: 8px; bottom: 8px; width: 2px; border-radius: 2px; background: var(--accent); }
.tb-n { margin: 0; font: 500 16.5px/1.3 var(--sans); letter-spacing: -.015em; }
.tb-s { margin: 4px 0 0; font-size: 13.5px; line-height: 1.5; color: var(--ink-2); font-weight: 300; }
.tb-l { margin: 6px 0 0; font: 400 11.5px/1.5 var(--mono); }
.tb-l a { color: var(--ink-2); text-underline-offset: 3px; text-decoration-color: var(--line-2); overflow-wrap: anywhere; }
.tb-l a:hover { color: var(--ink); text-decoration-color: var(--accent); }
.tb-c { margin: 0; font-size: 13.5px; line-height: 1.5; color: var(--ink-2); }
.tb-c small { display: block; margin-top: 4px; font: 400 11px/1.45 var(--mono); color: var(--muted); }
.tb-k { display: none; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; margin: 0; padding: 0; list-style: none; }
.tags li { padding: 3px 8px; border-radius: var(--r-pill); border: 1px solid var(--line-2); font: 500 9.5px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.pdn { margin: var(--sp3) 0 0; font: 500 11px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.tb--lib .tb-head, .tb--lib .tb-row { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.5fr) minmax(0, 1.2fr) minmax(0, .8fr); }

/* ---------- how it is built: a real sequence, so an event rail ---------- */
.bt { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: var(--sp6) var(--sp8); align-items: start; }
.bt-rail { margin: 6px 0 0; }
.bt-rail.m-rail--v { gap: 0; padding-left: 26px; }
.bt-rail.m-rail--v::before { top: 10px; bottom: 10px; }
.bt-rail > li { padding: 0 0 26px; }
.bt-rail > li:last-child { padding-bottom: 0; }
.bt-rail > li::before { top: 4px; left: -26px; }
.bt-rail .st-t { display: block; font: 500 11px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink); }
.bt-rail .st-d { display: block; margin-top: 6px; font: 300 14.5px/1.55 var(--sans); letter-spacing: 0; text-transform: none; color: var(--ink-2); max-width: 52ch; }
.bt-rail > li.on .st-t { color: var(--accent); }
.bt-side { display: grid; gap: var(--sp2); }
.bt-card { padding: 18px 20px 20px; border-radius: var(--r-lg); border: 1px solid var(--line); background: color-mix(in srgb, var(--bg-2) 60%, transparent); }
.bt-card h3 { margin: 0 0 8px; font: 500 11px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.bt-card p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--ink-2); font-weight: 300; }
.bt-card code { font: 400 12px var(--mono); color: var(--ink); }

@media (max-width: 1100px) { .lr-bands { grid-template-columns: repeat(4, minmax(0, 1fr)); row-gap: 18px; } .lr-band:nth-child(4n+1) { border-left: 0; padding-left: 0; } .lr-band:nth-child(4n+1)::before { left: -1px; } .lr-axis { display: none; } }
@media (max-width: 900px) {
  .tb-head { display: none; }
  .tb-row, .tb--lib .tb-row { grid-template-columns: 1fr; gap: 10px; }
  .tb-k { display: block; margin: 0 0 3px; font: 500 9.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
  .bt { grid-template-columns: 1fr; }
}
@media (max-width: 640px) { .lr-bands { grid-template-columns: 1fr 1fr; } .lr-band:nth-child(4n+1) { border-left: 1px solid var(--line); padding-left: 10px; } .lr-band:nth-child(odd) { border-left: 0; padding-left: 0; } .lr { padding: 20px 16px; } }
@media print { .nav, .site-foot, .lr { display: none; } }
.bt-card p a { color: var(--ink); text-decoration-color: var(--line-2); text-underline-offset: 3px; }