/* Whinstone Joinery. The pages nobody reads until they need them.
   Same two palettes as the job sheet, no engine, no scroll work. Set like a
   specification sheet rather than a web page: mono for every label and figure,
   Space Grotesk for the headings, IBM Plex Sans for the prose. */

:root {
  color-scheme: light dark;
  --canvas: #F4F0E7; --surface: #ECE6D9;
  --ink: #171A1E; --ink-soft: #555C63;
  --accent: #8A5600; --accent-ink: #FFFFFF;
  --line: rgba(23,26,30,.20);
  --line-strong: rgba(23,26,30,.42);

  --display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --text: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --gutter: clamp(1.25rem, 5vw, 3rem);
}
:root[data-theme="dark"] {
  --canvas: #111A26; --surface: #18222F;
  --ink: #EDF1F4; --ink-soft: #93A1AE;
  --accent: #E8A33D; --accent-ink: #111A26;
  --line: rgba(237,241,244,.18);
  --line-strong: rgba(237,241,244,.38);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0; background: var(--canvas); color: var(--ink);
  font: 400 clamp(.9375rem, .905rem + .17vw, 1.0625rem)/1.62 var(--text);
  letter-spacing: -.004em;
  -webkit-font-smoothing: antialiased;
}
:root[data-theme="dark"] body { color: var(--ink); }

.skip {
  position: fixed; top: .5rem; left: .5rem; z-index: 99;
  display: inline-flex; align-items: center; min-height: 44px;
  padding: .75rem 1rem; border-radius: 2px;
  background: var(--accent); color: var(--accent-ink);
  font: 500 .8125rem/1 var(--mono); letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; transform: translateY(-200%);
}
.skip:focus-visible { transform: none; outline: 2px solid var(--ink); outline-offset: 2px; }

/* The header is a title block, not a marketing bar: the sheet name on the
   left, the reference on the right, one rule under it. */
.bar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 1rem;
  padding: .9rem var(--gutter);
  background: color-mix(in srgb, var(--canvas) 90%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-strong);
}
.bar__mark {
  display: flex; align-items: baseline; gap: .5rem;
  font: 700 1.05rem/1 var(--display); letter-spacing: -.024em;
  color: var(--ink); text-decoration: none;
}
.bar__mark span { font: 400 .6875rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.bar__back { margin-left: auto; font: 400 .6875rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; }
.bar__back:hover { color: var(--accent); }

.lights {
  display: inline-grid; place-items: center; width: 40px; height: 40px; padding: 0;
  background: transparent; color: var(--ink-soft);
  border: 1px solid var(--line-strong); border-radius: 2px; cursor: pointer;
}
.lights:hover { color: var(--ink); border-color: var(--accent); }
.lights:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
/* No `display` on this rule: `.lights svg` outranks `.lights__sun`, so a
   display here would beat the icon switch and both glyphs would show. */
.lights svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
/* Keyed off dark, not light, so the default with no data-theme attribute
   (which is what a JS-off visitor gets) shows the sun that matches the light
   default rather than the moon. */
.lights__moon { display: none; }
.lights__sun { display: block; }
:root[data-theme="dark"] .lights__moon { display: block; }
:root[data-theme="dark"] .lights__sun { display: none; }
@media (pointer: coarse) { .lights { width: 44px; height: 44px; } }

main { width: min(70ch, 100%); margin-inline: auto; padding: clamp(2.5rem, 7vw, 4.5rem) var(--gutter) 4rem; }
/* The bar is sticky, so a hash jump has to clear it or the heading it lands on
   is the one thing hidden behind the chrome. Measured: about 70px. */
main :is(h1, h2, h3, [id]) { scroll-margin-top: 5.5rem; }

.eyebrow { font: 500 .6875rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin: 0 0 1rem; }
h1 { font: 700 clamp(1.9rem, 1.4rem + 2.4vw, 3rem)/1.02 var(--display); letter-spacing: -.032em; margin: 0 0 .7rem; text-wrap: balance; }
.stamp { color: var(--ink-soft); font: 400 .8125rem/1.5 var(--mono); margin: 0 0 2.4rem; }
h2 { font: 600 clamp(1.2rem, 1.05rem + .6vw, 1.55rem)/1.16 var(--display); letter-spacing: -.024em; margin: 2.8rem 0 .8rem; text-wrap: balance; }
h3 { font: 600 1.05rem/1.3 var(--display); letter-spacing: -.018em; margin: 1.9rem 0 .5rem; }
p, li { text-wrap: pretty; }
p { margin: 0 0 1.05rem; }
ul, ol { margin: 0 0 1.05rem; padding-left: 1.25rem; }
li { margin-bottom: .45rem; }
a { color: var(--accent); text-underline-offset: 3px; }
strong { color: var(--ink); font-weight: 500; }
:where(td, th, .stamp, .num) { font-variant-numeric: tabular-nums; }

.note {
  border: 1px solid var(--line-strong); border-left: 3px solid var(--accent);
  background: var(--surface);
  padding: 1.15rem 1.3rem; margin: 0 0 2.4rem;
}
.note p:last-child { margin-bottom: 0; }

/* The table is wider than a phone, so its wrapper is a focusable scroll
   region: without tabindex a keyboard user cannot reach the third column at
   all, and without the hint a touch user does not know there is one. */
.tablewrap { overflow-x: auto; margin: 0 0 1.4rem; }
.tablewrap:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.scrollhint { display: none; }
@media (max-width: 680px) {
  .scrollhint {
    display: block; margin: 0 0 .5rem;
    font: 400 .75rem/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase;
    color: var(--ink-soft);
  }
}
table { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 30rem; }
caption { text-align: left; color: var(--ink-soft); font: 400 .6875rem/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; padding-bottom: .7rem; }
th, td { text-align: left; vertical-align: top; padding: .75rem .85rem; border-bottom: 1px solid var(--line); }
th { font: 500 .6875rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
td:first-child { font-family: var(--mono); font-size: .85rem; }

.back {
  display: inline-flex; align-items: center; min-height: 44px;
  margin-top: 2.6rem; padding: .8rem 1.3rem;
  border: 1px solid var(--line-strong); border-radius: 2px;
  color: var(--ink); text-decoration: none;
  font: 500 .8125rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
}
.back:hover { border-color: var(--accent); color: var(--accent); }

.foot { border-top: 1px solid var(--line); margin-top: 3.5rem; padding-top: 1.4rem; color: var(--ink-soft); font-size: .82rem; }
.foot a { color: var(--ink-soft); }
.foot a:hover { color: var(--accent); }

/* The demo strip, same job as on the job sheet. */
.demo {
  background: var(--surface); border-bottom: 1px solid var(--line);
  padding: .55rem var(--gutter);
  font: 400 .6875rem/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-soft);
}
.demo p { margin: 0; display: flex; flex-wrap: wrap; gap: .2rem .9rem; align-items: baseline; }
.demo b { color: var(--accent); font-weight: 500; white-space: nowrap; }
.demo a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; display: inline-block; padding-block: .15rem; }
.demo a:hover { color: var(--accent); }

/* 404 only: the page is short, so it gets a little air and a list of routes. */
.lost ul { list-style: none; padding: 0; margin: 1.6rem 0 0; border-top: 1px solid var(--line); }
.lost li { margin: 0; border-bottom: 1px solid var(--line); }
.lost li a {
  display: flex; align-items: baseline; gap: 1rem; min-height: 48px;
  padding: .9rem 0; color: var(--ink); text-decoration: none;
}
.lost li a:hover { color: var(--accent); }
.lost li a b { font: 600 1.05rem/1.3 var(--display); letter-spacing: -.018em; font-weight: 600; }
.lost li a span { margin-left: auto; text-align: right; font: 400 .8125rem/1.4 var(--mono); color: var(--ink-soft); }
.lost li a:hover span { color: var(--accent); }