/* Reset, type, layout primitives, controls, masthead, footer, search, prose. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 90px; }
body {
  margin: 0; color: var(--ink);
  background:
    radial-gradient(60vw 44vw at 8% -6%, var(--pool-a), transparent 70%),
    radial-gradient(48vw 40vw at 104% 18%, var(--pool-b), transparent 70%),
    radial-gradient(56vw 40vw at 30% 108%, var(--pool-c), transparent 70%),
    var(--bg);
  font: 400 16.5px/1.6 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
/* Faded field of year cells, kept to the side gutters so text columns stay clean. */
body { position: relative; }
body::before {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: var(--cells); background-size: 240px 240px;
  -webkit-mask-image: linear-gradient(90deg, #000 0, rgba(0, 0, 0, .55) 14%, transparent 34%, transparent 66%, rgba(0, 0, 0, .55) 86%, #000 100%);
  mask-image: linear-gradient(90deg, #000 0, rgba(0, 0, 0, .55) 14%, transparent 34%, transparent 66%, rgba(0, 0, 0, .55) 86%, #000 100%);
}
html.locked, html.locked body { overflow: hidden; }
.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-family: var(--display); font-weight: 800; line-height: .98; letter-spacing: .005em; text-wrap: balance; }
p { margin: 0; }
kbd { font: 500 .78em var(--mono); padding: 1px 6px; border: 1px solid var(--line-2); border-radius: 3px; }
::selection { background: var(--mark); color: var(--on-mark); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
[hidden] { display: none !important; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 99; background: var(--ink); color: var(--bg); padding: 8px 14px; }
.skip:focus { left: 8px; }
.wrap { width: min(var(--wrap), 100% - 2 * var(--gut)); margin-inline: auto; }
.mute { color: var(--ink-3); }
.eyebrow, .lbl, .tag {
  font: 500 12px/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2);
}
.tag { display: inline-flex; align-items: center; gap: 6px; color: var(--c); }
.tag::before { content: ''; width: 8px; height: 8px; border-radius: 2px; background: var(--c); }
.lede { font-size: clamp(17px, 1.7vw, 20px); line-height: 1.5; color: var(--ink-2); max-width: 60ch; }
.block { padding-block: clamp(56px, 8vw, 104px) 0; }

/* Buttons and fields */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  min-height: 46px; padding: 0 20px; border-radius: var(--r); border: 1.5px solid var(--ink);
  font: 600 15px/1 var(--sans); text-decoration: none; white-space: nowrap; transition: background .15s, color .15s, transform .15s;
}
.btn svg { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover svg { transform: translateX(3px); }
.btn-ink { background: var(--ink); color: var(--bg); }
.btn-ink:hover { background: var(--c, var(--ink)); border-color: var(--c, var(--ink)); color: var(--on, var(--bg)); }
.btn-line { background: transparent; color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--bg); }
.btn-mark { background: var(--mark); border-color: var(--mark); color: var(--on-mark); }
.btn-mark:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn-sm { min-height: 38px; padding: 0 14px; font-size: 14px; }
.btn.block { width: 100%; }
.link-btn { background: none; border: 0; padding: 0; text-decoration: underline; text-underline-offset: 3px; }
.ico { display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--r); border: 0; background: transparent; }
.ico:hover { background: var(--panel-2); }

.field {
  width: 100%; min-height: 46px; padding: 10px 14px; border: 1.5px solid var(--line-2); border-radius: var(--r);
  background: var(--card); transition: border-color .15s;
}
.field:focus { border-color: var(--ink); }
.field:focus-visible { outline: 3px solid var(--mark); outline-offset: 1px; border-color: var(--ink); }
.field[aria-invalid="true"] { border-color: #b3261e; }
textarea.field { resize: vertical; line-height: 1.5; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 14px;
  border: 1.5px solid var(--line-2); border-radius: var(--r); font: 500 14px var(--sans); text-decoration: none; background: var(--card);
}
.chip i { width: 10px; height: 10px; border-radius: 2px; background: var(--c); }
.chip:hover { border-color: var(--ink); }
.chip.on { background: var(--c); border-color: var(--c); color: var(--on); }
.chip.on i { background: var(--on); }

/* Segmented control */
.seg { display: inline-flex; border: 1.5px solid var(--ink); border-radius: var(--r); overflow: hidden; flex: none; }
.seg > * {
  min-height: 36px; padding: 0 14px; display: grid; place-items: center; border: 0; background: transparent;
  font: 500 13px var(--mono); text-decoration: none; letter-spacing: .02em;
}
.seg > * + * { border-left: 1.5px solid var(--ink); }
.seg > .on { background: var(--ink); color: var(--bg); }

/* Masthead */
#top { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); }
.topline { border-bottom: 1px solid var(--line); font: 500 11.5px var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--ink-2); }
.topline-in { display: flex; justify-content: space-between; gap: 16px; padding-block: 7px; }
.topline kbd { font-size: 10.5px; }
.mast { border-bottom: 1.5px solid var(--ink); }
.mast-in { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 64px; gap: 16px; }
.mast-r { display: flex; align-items: center; justify-content: flex-end; gap: 4px; }
.mnav { display: flex; gap: 2px; }
.mnav a {
  position: relative; padding: 8px 12px; font: 500 15px var(--sans); text-decoration: none; border-radius: var(--r);
}
.mnav a:hover { background: var(--panel-2); }
.mnav a[aria-current]::after { content: ''; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 3px; background: var(--mark); }
.mast-r .mnav { margin-right: 8px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand span { font: 900 34px/1 var(--display); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.burger { display: none; }
.sheet { display: none; }

/* Footer */
#foot { margin-top: clamp(80px, 10vw, 140px); border-top: 1.5px solid var(--ink); }
.foot-top { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; padding-top: 40px; }
.foot-word { font: 900 clamp(48px, 6.4vw, 96px)/.9 var(--display); text-transform: uppercase; letter-spacing: .01em; margin-left: -.03em; }
.foot-news h3, .foot-grid h3 { font: 500 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 12px; }
.foot-news h3 { font: 800 30px/1 var(--display); text-transform: none; letter-spacing: 0; color: var(--ink); }
.foot-news p { color: var(--ink-2); margin-bottom: 14px; }
.sub-form { display: flex; gap: 8px; }
.sub-form .field { flex: 1; min-width: 0; }
.sub-form .btn { flex: none; }
.sub-msg { min-height: 1.5em; margin-top: 10px; font-size: 14.5px; color: var(--ink-2); }
.sub-msg[data-kind="err"] { color: #b3261e; }
:root[data-theme="dark"] .sub-msg[data-kind="err"] { color: #ff9a8f; }
.sub-msg a { color: var(--ink); text-underline-offset: 3px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.3fr; gap: 40px; padding-block: 44px; margin-top: 40px; border-top: 1px solid var(--line); }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-grid a { text-decoration: none; }
.foot-grid a:hover { text-decoration: underline; text-underline-offset: 3px; }
.foot-grid p { color: var(--ink-2); font-size: 15px; max-width: 40ch; }
.foot-eras a { display: flex; align-items: center; gap: 10px; }
.foot-eras i { width: 14px; height: 14px; border-radius: 3px; background: var(--c); flex: none; }
.foot-eras small { margin-left: auto; font: 400 12px var(--mono); color: var(--ink-3); }
.foot-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 18px 28px; border-top: 1px solid var(--line); font: 400 12.5px var(--mono); color: var(--ink-2); }

/* Search */
.find { position: fixed; inset: 0; z-index: 80; background: color-mix(in srgb, #0c0b08 45%, transparent); display: block; padding: 9vh var(--gut) 0; overflow-y: auto; animation: fade .15s; }
.find-box { width: min(680px, 100%); margin: 0 auto; background: var(--bg); border: 1.5px solid var(--ink); border-radius: var(--r); padding: 18px; }
.find-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.find-lbl { font: 500 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.find-x { font: 500 11px var(--mono); border: 1px solid var(--line-2); background: none; border-radius: 3px; padding: 3px 7px; }
.find input { width: 100%; border: 0; border-bottom: 1.5px solid var(--ink); background: transparent; padding: 8px 0 12px; font: 800 clamp(28px, 5vw, 40px)/1.1 var(--display); }
.find input:focus { outline: none; border-bottom-color: var(--ink); }
.find input:focus-visible { outline: 3px solid var(--mark); outline-offset: 4px; border-radius: 2px; }
.find-list { display: grid; margin-top: 8px; max-height: 52vh; overflow-y: auto; }
.find-list a { display: grid; grid-template-columns: 64px 1fr auto; gap: 12px; align-items: baseline; padding: 11px 6px; border-bottom: 1px solid var(--line); text-decoration: none; }
.find-list a:hover, .find-list a[aria-selected="true"] { background: var(--t); box-shadow: inset 4px 0 0 var(--c); }
.find-status { padding: 10px 6px 0; font: 400 12.5px var(--mono); color: var(--ink-2); min-height: 1.4em; }
.find-list b { font: 800 24px/1 var(--display); color: var(--c); }
.find-list small { font: 400 11px var(--mono); color: var(--ink-3); text-transform: uppercase; }
.find-none, .find-hint { padding: 14px 6px 2px; color: var(--ink-3); font-size: 14px; }

/* Toasts */
#toasts { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 90; display: grid; gap: 8px; }
.toast { background: var(--ink); color: var(--bg); padding: 11px 18px; border-radius: var(--r); font-size: 14px; animation: rise .2s; }

/* Prose */
.prose { font-size: 17.5px; line-height: 1.72; max-width: 68ch; }
.prose > * + * { margin-top: 1.05em; }
.prose h2 { font-size: clamp(30px, 3.4vw, 40px); margin-top: 1.7em; scroll-margin-top: 100px; }
.prose h3 { font-size: 24px; margin-top: 1.4em; }
.prose a { text-decoration-color: var(--c); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.prose strong { font-weight: 600; background: linear-gradient(transparent 62%, color-mix(in srgb, var(--mark) 70%, transparent) 0); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .35em; }
.prose li::marker { color: var(--c); }
.prose blockquote { margin: 1.6em 0; padding: 4px 0 4px 22px; border-left: 4px solid var(--c); font-size: 1.12em; color: var(--ink); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
.prose code { font: .86em var(--mono); background: var(--panel); padding: 2px 6px; border-radius: 3px; }
.prose pre { background: var(--panel); padding: 16px; border-radius: var(--r); overflow: auto; }
.prose pre code { background: none; padding: 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 11.5px var(--mono); letter-spacing: .05em; text-transform: uppercase; color: var(--ink-2); background: var(--panel); }
tr:last-child td { border-bottom: 0; }

/* Motion */
main.enter { animation: fade .3s ease-out; }
.js .rv { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.js .rv.in { opacity: 1; transform: none; }
@keyframes fade { from { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .js .rv { opacity: 1; transform: none; }
}

/* Masthead and footer on small screens */
@media (max-width: 920px) {
  .mnav { display: none; }
  .burger { display: grid; }
  .mast-in { grid-template-columns: auto 1fr; }
  .mast-in > .mnav { display: none; }
  .brand { justify-self: start; }
  .topline-mid { display: none; }
  .sheet { display: block; max-height: 0; overflow: hidden; transition: max-height .25s ease; border-bottom: 0 solid var(--ink); background: var(--bg); }
  #top.open .sheet { max-height: 520px; border-bottom-width: 1.5px; }
  .sheet .wrap { display: grid; padding-block: 8px 18px; }
  .sheet a { display: flex; align-items: baseline; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); text-decoration: none; font: 800 34px/1 var(--display); }
  .sheet a small { font: 500 12px var(--mono); color: var(--ink-3); }
  .sheet a[aria-current] { color: var(--ink); box-shadow: inset 6px 0 0 var(--mark); padding-left: 14px; }
  .foot-top, .foot-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .topline-in > span:last-child { display: none; }
  .brand span { font-size: 24px; }
  .sub-form { flex-direction: column; }
}
@media (max-width: 640px) {
  body::before {
    -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, .7) 0, transparent 12%, transparent 88%, rgba(0, 0, 0, .7) 100%);
    mask-image: linear-gradient(90deg, rgba(0, 0, 0, .7) 0, transparent 12%, transparent 88%, rgba(0, 0, 0, .7) 100%);
  }
}