/* InkTax — "the honest spec sheet".
   Paper-white ground, ink-black type, process CMY as the only accents:
   color cost bars run cyan (cheap) → yellow (mid) → magenta (the ink tax). */

/* Self-hosted IBM Plex (SIL OFL 1.1), latin subset — see /fonts/.
   Plex Sans is a variable file covering 400–600; Mono ships per weight. */
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/fonts/plex-sans-var.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans Condensed";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/plex-sans-cond-700.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/plex-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/plex-mono-500.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/plex-mono-600.woff2") format("woff2");
}

:root {
  --paper: #fbfbf9;
  --paper-raise: #ffffff;
  --ink: #14161a;
  --ink-60: #5b6168;
  --ink-25: #c9cdd1;
  --rule: #e3e5e2;
  --cyan: #0096d6;
  --magenta: #e5007e;
  --yellow: #f5c400;
  --key: #14161a;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --cond: "IBM Plex Sans Condensed", "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.55 var(--sans);
}
a { color: inherit; text-decoration-color: var(--ink-25); text-underline-offset: 2px; }
a:hover { text-decoration-color: var(--cyan); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Masthead */
header.mast { border-bottom: 1px solid var(--rule); }
.mast .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.wordmark { display: flex; align-items: center; gap: 10px; font: 700 22px/1 var(--cond); letter-spacing: 0.01em; }
.wordmark .tax { color: var(--magenta); }
.regbar { display: inline-flex; gap: 2px; }
.regbar i { width: 9px; height: 9px; display: block; }
.regbar i:nth-child(1) { background: var(--cyan); }
.regbar i:nth-child(2) { background: var(--magenta); }
.regbar i:nth-child(3) { background: var(--yellow); }
.regbar i:nth-child(4) { background: var(--key); }
.mast nav { font: 500 13px var(--sans); color: var(--ink-60); }

/* Hero */
.hero { padding: 44px 0 8px; }
.hero .tagline {
  font: 700 clamp(30px, 5.4vw, 52px)/1.04 var(--cond);
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  max-width: 17ch;
}
.hero .tagline em { font-style: normal; color: var(--magenta); }
.hero .sub { font: inherit; max-width: 62ch; margin: 0 0 6px; color: var(--ink-60); }
.stamp { font: 400 12.5px var(--mono); color: var(--ink-60); margin: 10px 0 0; }
.stamp b { color: var(--ink); font-weight: 600; }
.quicklinks { font: 400 13px var(--mono); color: var(--ink-60); margin: 8px 0 0; }
.quicklinks a { color: var(--ink); }

/* "How the ranking works" (home, below table) */
.method { margin: 30px 0 4px; max-width: 62ch; }
.method h2 { font: 700 15px var(--cond); text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 8px; }
.method p { color: var(--ink-60); margin: 0 0 10px; }
.method a { color: var(--ink); }

/* Controls */
.controls {
  display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: end;
  padding: 22px 0 14px; position: sticky; top: 0; z-index: 2;
  background: linear-gradient(var(--paper) 88%, transparent);
}
.control-label { display: block; font: 600 11px var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-60); margin-bottom: 7px; }
.chips { display: flex; gap: 6px; }
.chip {
  font: 500 13px var(--sans); color: var(--ink);
  background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 3px;
  padding: 5px 11px; cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip--mono { border-color: var(--ink); color: var(--ink); font-weight: 600; }
.chip--color { border-color: var(--cyan); color: var(--cyan); }
.chip--mono[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip--color[aria-pressed="true"] { background: var(--cyan); color: var(--paper); border-color: var(--cyan); }
.usage { min-width: 240px; flex: 0 1 300px; }
.usage input[type="range"] { width: 100%; accent-color: var(--magenta); margin: 0; }
.usage .control-label b { color: var(--ink); font: 600 12px var(--mono); }

/* Table */
.tablewrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-raise); }
table { border-collapse: collapse; width: 100%; min-width: 780px; }
thead th {
  font: 600 11px var(--mono); text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--ink-60); text-align: left; padding: 10px 14px;
  border-bottom: 1.5px solid var(--ink); white-space: nowrap;
  cursor: pointer; user-select: none; background: var(--paper-raise);
}
thead th .dir { color: var(--magenta); }
thead th[aria-sort="ascending"] .dir::after { content: " ↑"; }
thead th[aria-sort="descending"] .dir::after { content: " ↓"; }
tbody tr:first-child td { border-top: 1px solid var(--rule); }
td { padding: 11px 14px; vertical-align: middle; }
.row:hover tr:first-child { background: #f4f6f5; }

.c-name { min-width: 300px; }
.expand {
  background: none; border: 0; cursor: pointer; font: 400 12px var(--mono);
  color: var(--ink-60); padding: 2px 6px 2px 0;
}
.name { font-weight: 600; }
.tags { margin-left: 8px; white-space: nowrap; }
.tag {
  font: 500 10.5px var(--mono); text-transform: uppercase; letter-spacing: 0.05em;
  border: 1px solid var(--rule); border-radius: 2px; padding: 1.5px 5px; margin-right: 4px;
  color: var(--ink-60);
}
.tag--mono { border-color: var(--ink); color: var(--ink); font-weight: 600; }
.tag--color { border-color: var(--cyan); color: var(--cyan); }
.tag--pop { border-color: var(--magenta); color: var(--magenta); font-weight: 600; }
.tag--pick { border-color: var(--cyan); color: var(--cyan); font-weight: 600; margin-left: 6px; }

/* Feature presence tile (wifi / ethernet / touchscreen) — sits in the stats
   row as a glyph tile matching the cost/number tiles beside it. */
.stat-feat { display: inline-flex; align-items: center; height: 22px; }
.stat-feat svg { display: block; }

.c-num { font: 500 14px var(--mono); text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.c-tco { font-weight: 600; }
.c-cost { min-width: 130px; }
.cost { display: block; }
.cost__num { font: 600 14px var(--mono); font-variant-numeric: tabular-nums; }
.bar {
  display: block; height: 5px; margin-top: 4px; border-radius: 1px;
  background: var(--ink); transition: width 0.35s ease;
}
.bar--lo { background: var(--cyan); }
.bar--mid { background: var(--yellow); }
.bar--hi { background: var(--magenta); }
.nodata { color: var(--ink-25); }

/* Breakdown */
.bdrow td { padding: 0 14px 14px 40px; }
.bd { border-left: 2px solid var(--rule); padding: 6px 0 2px 14px; font: 400 13px var(--mono); color: var(--ink-60); }
.bd__line { display: flex; flex-wrap: wrap; gap: 4px 14px; padding: 2.5px 0; align-items: baseline; }
.bd__role { text-transform: uppercase; font-size: 10.5px; letter-spacing: 0.07em; width: 62px; }
.bd__sku { color: var(--ink); font-weight: 600; }
.bd__cpp { color: var(--ink); }
.bd__alt, .bd__note, .bd__sources { padding: 3px 0; font-size: 12.5px; }
.bd__note::before { content: "▪ "; color: var(--yellow); }

/* Static pages (printers / cheapest / vs) */
.page { padding-top: 26px; }
a.wordmark { text-decoration: none; }
.crumbs { font: 400 12px var(--mono); color: var(--ink-60); margin-bottom: 22px; }
.crumbs a { text-decoration-color: var(--ink-25); }
.crumbs .sep { color: var(--ink-25); padding: 0 5px; }
.page h1 { font: 700 clamp(26px, 4.4vw, 40px)/1.08 var(--cond); letter-spacing: -0.01em; margin: 0 0 14px; max-width: 26ch; }
.stats { display: flex; flex-wrap: wrap; gap: 10px 34px; margin: 18px 0 6px; }
.stat b { display: block; font: 600 22px var(--mono); font-variant-numeric: tabular-nums; }
.stat span { font: 600 10.5px var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-60); }
.article { max-width: 72ch; margin: 26px 0 8px; }
.article h2 { font: 700 19px var(--cond); margin: 0 0 10px; }
.article p { margin: 0 0 12px; }
/* No-prose "at a glance" panel — deterministic stand-in for the article. */
.summary {
  max-width: 72ch; margin: 26px 0 8px; padding: 15px 20px 16px;
  background: var(--paper-raise); border: 1px solid var(--rule);
  border-left: 3px solid var(--cyan); border-radius: 4px;
}
.summary p { margin: 0 0 10px; }
.summary p:last-child { margin-bottom: 0; }
.summary .summary__eyebrow {
  font: 600 10.5px var(--mono); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-60); margin: 0 0 9px;
}
.page section.data { margin-top: 30px; }
.page section.data h2 { font: 700 15px var(--cond); text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 10px; }
.static-table thead th { cursor: default; }
/* Cheapest pages: two rank tables (black + color) side by side, matching the
   home table's row formatting (name link, cost bar) with a rank column. */
.rank-tables { display: flex; gap: 20px; align-items: flex-start; }
.rank-tables .rank-col { flex: 1 1 0; min-width: 0; }
.rank-head { font: 700 14px var(--cond); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink); margin: 0 0 9px; }
.rank-table { min-width: 0; }
.rank-table thead th { cursor: default; }
.rank-table .name { white-space: normal; }
.c-rank { font: 500 13px var(--mono); color: var(--ink-60); text-align: right; white-space: nowrap; width: 1%; padding-right: 6px; font-variant-numeric: tabular-nums; }
.c-rank-h { text-align: right; }
@media (max-width: 640px) { .rank-tables { flex-direction: column; gap: 26px; } }
.pagelinks { margin-top: 26px; font-size: 13.5px; color: var(--ink-60); }
.pagelinks a { margin-right: 14px; }
.bd--page { border-left: 0; padding-left: 0; }

/* Footer */
footer { margin-top: 46px; border-top: 1px solid var(--rule); padding: 26px 0 40px; color: var(--ink-60); font-size: 13.5px; }
footer h2 { font: 700 15px var(--cond); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink); margin: 0 0 8px; }
footer p { max-width: 72ch; margin: 0 0 10px; }

@media (max-width: 640px) {
  .hero { padding-top: 28px; }
  .controls { position: static; }
}
@media (prefers-reduced-motion: reduce) {
  .bar { transition: none; }
}