/* SPDX-License-Identifier: MIT -- Quasar website (the frame after Bigorna's and Tonitor's; a test sheet at the moment
 * of release: black field, a measuring grid, crop marks, one beam -- blueshift cyan, redshift red) */
:root {
  --bg: #050507;
  --plate: #0b0c10;          /* the content's sheet */
  --plate2: #12141b;
  --line: #232633;
  --fg: #eef0f6;
  --steel: #f4f6fb;          /* headings: white-hot */
  --dim: #a9afc2;
  --hot: #19e3ff;            /* the accent: the approaching jet */
  --red: #ff3d1f;            /* the second: the receding one */
  --mid: #4a5270;            /* rules, bars */
  --link: #8ff1ff;
  --warn: #ff3d1f;
  --ok: #5cf08a;
  --side: 248px;
  --max: 880px;
  --head: "Unbounded", "Arial Black", Impact, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--fg);
  font-family: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.6;
  /* a measuring field: a faint 40 px grid, every fifth line a little brighter */
  background-color: var(--bg);
  background-image:
    linear-gradient(#0f1118 1px, transparent 1px), linear-gradient(90deg, #0f1118 1px, transparent 1px),
    linear-gradient(#090a0f 1px, transparent 1px), linear-gradient(90deg, #090a0f 1px, transparent 1px);
  background-size: 200px 200px, 200px 200px, 40px 40px, 40px 40px;
}
/* the beam across the top: red, a white-hot point, cyan */
body::before {
  content: ""; position: fixed; top: 0; left: 0; right: 0; height: 5px; z-index: 30;
  background: linear-gradient(90deg, var(--red) 0 30%, #fff 30% 31.5%, var(--hot) 31.5% 100%);
}
a { color: var(--link); text-decoration-color: rgba(25, 227, 255, 0.45); text-underline-offset: 3px; }
a:hover { color: #fff; text-decoration-color: #fff; }
code, pre { font-family: var(--mono); font-size: 0.88em; }
code { background: var(--plate2); border: 1px solid var(--line); border-radius: 2px; padding: 0.05em 0.35em; }
pre { background: #07080b; border: 1px solid var(--line); border-left: 3px solid var(--hot); border-radius: 0;
      padding: 14px 16px; overflow-x: auto; }
pre code { background: none; border: 0; padding: 0; }
img { max-width: 100%; }

/* crop marks: an L in each corner, as on a printer's sheet (the class keeps Bigorna's name) */
.riveted {
  background-image:
    linear-gradient(var(--hot), var(--hot)), linear-gradient(var(--hot), var(--hot)),
    linear-gradient(var(--hot), var(--hot)), linear-gradient(var(--hot), var(--hot)),
    linear-gradient(var(--hot), var(--hot)), linear-gradient(var(--hot), var(--hot)),
    linear-gradient(var(--hot), var(--hot)), linear-gradient(var(--hot), var(--hot));
  background-repeat: no-repeat;
  background-size: 16px 2px, 2px 16px, 16px 2px, 2px 16px, 16px 2px, 2px 16px, 16px 2px, 2px 16px;
  background-position: 8px 8px, 8px 8px, right 8px top 8px, right 8px top 8px,
                       8px bottom 8px, 8px bottom 8px, right 8px bottom 8px, right 8px bottom 8px;
}

/* the frame: the menu down the left, the content on a sheet beside it */
.layout { display: flex; min-height: 100vh; padding-top: 5px; }
.side {
  width: var(--side); flex: none; position: sticky; top: 5px; align-self: flex-start; height: calc(100vh - 5px);
  padding: 26px 22px; background: #030305; border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
}
.brand { display: block; text-decoration: none; }
.brand img { display: block; width: 100%; height: auto; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 22px;
        margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.menu-btn, .menu-close, .menu-shade { display: none; }
.side nav { display: flex; flex-direction: column; gap: 2px; }
.side nav a { color: var(--dim); text-decoration: none; padding: 8px 12px; border-left: 3px solid transparent;
              font-family: var(--head); font-weight: 700; font-size: 15px; letter-spacing: 0.08em; text-transform: uppercase; }
.side nav a:hover { color: var(--fg); background: var(--plate2); }
.side nav a[aria-current="page"] { color: #fff; background: var(--plate2); border-left-color: var(--hot); }
.donate { margin: auto 0 0; padding-top: 28px; border-top: 1px solid var(--line); display: flex; justify-content: center; }
.donate input[type="image"] { display: block; }
.donate-foot { display: none; }

.content { flex: 1; min-width: 0; padding: 28px 40px 0; }
main { max-width: var(--max); padding: 34px 40px 44px; background-color: rgba(11, 12, 16, 0.97);
       border: 1px solid var(--line); border-top: 3px solid var(--hot); }
main h1, main h2, main h3 { font-family: var(--head); text-transform: uppercase; letter-spacing: 0.02em; color: var(--steel); }
main h1 { font-size: 40px; line-height: 1.1; margin: 0 0 16px; font-weight: 800; }
main h2 { font-size: 27px; line-height: 1.15; margin: 50px 0 12px; padding: 12px 0 0 14px; border-top: 1px solid var(--line);
          border-left: 4px solid var(--hot); font-weight: 700; }
main h3 { font-size: 20px; margin: 30px 0 8px; font-weight: 700; }
main h2, main h3 { scroll-margin-top: 24px; }
p.big { font-size: 22px; font-weight: 700; margin: 0 0 8px; }
p.note { color: var(--dim); font-size: 15px; }

/* home */
.hero { padding: 4px 0 6px; }
.hero .logo { display: block; width: 100%; max-width: 640px; height: auto; margin: 0 0 26px; }
.hero .art { display: block; width: calc(100% + 80px); max-width: none; height: auto; margin: -34px -40px 30px;
             border-bottom: 1px solid var(--line); }
.hero h1 { font-size: 30px; line-height: 1.2; max-width: 24em; margin: 0; }
.hero p { color: var(--dim); font-size: 19px; max-width: 38em; margin: 14px 0 0; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.btn { display: inline-block; padding: 11px 22px; font-weight: 700; text-decoration: none; border: 2px solid var(--steel);
       color: var(--fg); background: transparent; font-size: 15px; cursor: pointer; font-family: var(--head);
       letter-spacing: 0.08em; text-transform: uppercase; border-radius: 0;
       clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px); }
.btn.primary { background: var(--hot); border-color: var(--hot); color: #000; }
.btn:hover { background: var(--plate2); color: #fff; }
.btn.primary:hover { background: #fff; border-color: #fff; color: #000; }
.btn[disabled] { opacity: 0.35; cursor: not-allowed; }

/* the demo patterns: one plays at a time, looped until stopped; a spectrum while one plays (js/demo.js) */
.demo { position: relative; margin: 34px 0 8px; padding: 24px 30px 14px; overflow: hidden;
        background-color: #07080b; border: 1px solid var(--line); border-top: 3px solid var(--red); }
.demo-head { position: relative; z-index: 1; }
.demo-title { margin: 0; font-family: var(--head); font-weight: 800; font-size: 26px; line-height: 1; letter-spacing: 0.04em;
              text-transform: uppercase; color: var(--steel); }
.demo-state { margin: 8px 0 0; color: var(--dim); font-size: 15px; letter-spacing: 0.02em; }
.demo-scope { position: absolute; right: 30px; top: 18px; width: 46%; height: 62px; opacity: 0.95;
              -webkit-mask-image: linear-gradient(90deg, transparent, #000 25%); mask-image: linear-gradient(90deg, transparent, #000 25%); }
.demo-list { list-style: none; margin: 18px 0 0; padding: 0; position: relative; z-index: 1; }
.demo-list li { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; padding: 10px 0;
                border-top: 1px solid var(--line); }
.demo-name { font-weight: 700; color: var(--fg); }
.demo-bpm { color: var(--dim); font-size: 15px; font-variant-numeric: tabular-nums; font-family: var(--mono); }
.demo-list li.on .demo-name { color: #fff; }
.demo-play { width: 48px; height: 48px; border-radius: 0; display: grid; place-items: center; padding: 0;
             border: 2px solid var(--hot); background: var(--hot); color: #000; cursor: pointer;
             clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
             transition: transform 0.12s ease, background-color 0.15s ease; }
.demo-play:hover { background: #fff; border-color: #fff; transform: scale(1.05); }
.demo-play:active { transform: scale(0.96); }
.demo-play:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
.demo-play svg { width: 20px; height: 20px; fill: currentColor; }
.demo-play .i-stop, li.on .demo-play .i-play { display: none; }
li.on .demo-play .i-stop { display: block; }
li.on .demo-play { background: transparent; color: var(--hot); }
li.on .demo-play:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
li.wait .demo-play { opacity: 0.6; cursor: progress; }
@media (max-width: 600px) {
  .demo { padding: 20px 18px 10px; }
  .demo-title { font-size: 22px; }
  .demo-scope { right: 18px; width: 50%; height: 48px; opacity: 0.5; }
  .demo-list li { gap: 14px; }
}

.features { display: grid; grid-template-columns: max-content 1fr; gap: 8px 26px; margin: 16px 0 0; }
.features dt { font-weight: 700; color: #fff; }
.features dd { margin: 0; color: var(--dim); }

/* the FM-1's screen, as the firmware draws it */
.shots { display: grid; gap: 26px; margin: 26px 0 0; }
.shot { display: grid; grid-template-columns: 240px 1fr; gap: 24px; align-items: start; padding-top: 26px;
        border-top: 1px solid var(--line); }
.shot img { display: block; width: 240px; height: 240px; image-rendering: pixelated; border: 6px solid #000;
            outline: 1px solid var(--mid); box-sizing: content-box; }
main .shot h2 { margin: 0 0 8px; padding: 0; border: 0; font-size: 22px; }
.shot p { margin: 0 0 8px; color: var(--dim); }

.major { display: grid; gap: 18px; margin: 26px 0 8px; }
.big { background-color: var(--plate2); border: 1px solid var(--line); border-left: 6px solid var(--hot); padding: 22px 28px 20px; }
main .big h2 { margin: 0 0 10px; padding: 0; border: 0; font-size: clamp(22px, 3.4vw, 30px); }
.big p, .big li { color: var(--fg); }
.big ul { padding-left: 20px; margin: 8px 0; }
.big li { margin: 6px 0; }
.machines { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 18px 0 0; }
.machine { background-color: var(--plate2); border: 1px solid var(--line); border-top: 3px solid var(--mid); padding: 18px 20px 20px; }
.machine.blue { border-top-color: var(--hot); }
.machine.red { border-top-color: var(--red); }
main .machine h3 { margin: 0 0 6px; font-size: 19px; }
.machine p { margin: 6px 0 0; color: var(--dim); font-size: 16px; }
.machine .kind { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; color: var(--hot); text-transform: uppercase; }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 16px 0 0; }
.steps li { counter-increment: s; position: relative; padding: 4px 0 12px 52px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border: 2px solid var(--hot);
                    color: var(--hot); display: grid; place-items: center; font-weight: 700; font-family: var(--head); font-size: 17px; }

.warn { border-left: 5px solid var(--warn); padding: 6px 0 6px 18px; margin: 22px 0; background: rgba(255, 61, 31, 0.07); }
.warn p { margin: 0; }

footer { padding: 24px 0 40px; color: var(--dim); font-size: 15px; max-width: var(--max); }
footer p { margin: 4px 0; }

/* documents (manual, changelog) */
main table { border-collapse: collapse; width: 100%; margin: 14px 0; display: block; overflow-x: auto; }
main th, main td { border: 1px solid var(--line); padding: 8px 12px; vertical-align: top; text-align: left; }
main th { background: var(--plate2); font-family: var(--head); text-transform: uppercase; letter-spacing: 0.05em; font-size: 14px; }
main td:first-child { white-space: nowrap; }
main blockquote { border-left: 4px solid var(--mid); margin: 16px 0; padding: 4px 18px; color: var(--dim); }
.toc { border-left: 3px solid var(--line); padding: 4px 0 4px 18px; columns: 2 240px; margin: 20px 0; }
.toc a { display: block; padding: 2px 0; text-decoration: none; }
.toc a.sub { padding-left: 16px; color: var(--dim); }

/* the manual: a bar that stays at the top (search), the contents and the top a click away (after Tonitor's) */
.mbar { position: sticky; top: 5px; z-index: 5; display: flex; gap: 10px; align-items: center;
        margin: 0 0 18px; padding: 12px 0; background: var(--plate); border-bottom: 1px solid var(--line); }
.mbar input { flex: 1; min-width: 0; font: inherit; font-size: 17px; color: var(--fg); background: var(--plate2);
              border: 1px solid var(--line); border-radius: 0; padding: 7px 12px; }
.mbar input:focus { outline: 2px solid var(--hot); outline-offset: 0; border-color: transparent; }
.mresults { position: absolute; top: 100%; left: 0; right: 0; max-height: min(70vh, 560px); overflow-y: auto;
            background: var(--plate2); border: 1px solid var(--line); border-top: 3px solid var(--hot);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7); }
.mresults a { display: block; padding: 9px 14px; border-bottom: 1px solid var(--line); color: var(--fg); text-decoration: none; }
.mresults a:last-child { border-bottom: 0; }
.mresults a[aria-selected="true"], .mresults a:hover { background: #1b1f2b; }
.mresults .where { display: block; font-family: var(--head); font-size: 13px; font-weight: 700; letter-spacing: 0.06em;
                   text-transform: uppercase; color: var(--hot); }
.mresults .what { display: block; font-size: 15px; color: var(--dim); line-height: 1.45; }
.mresults mark { background: none; color: #fff; font-weight: 700; text-decoration: underline; text-decoration-color: var(--hot); }
.mresults .none { padding: 10px 14px; color: var(--dim); }
kbd { font-family: var(--mono); font-size: 0.85em; padding: 0 0.4em;
      border: 1px solid var(--mid); border-bottom-width: 2px; border-radius: 2px; background: var(--plate2); }
/* bottom right, once the contents are scrolled past: to the contents, to the top; named beside them on hover */
.mfloat { position: fixed; right: 20px; bottom: 20px; z-index: 6; display: flex; flex-direction: column; gap: 10px;
          opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity 0.2s, transform 0.2s, visibility 0.2s; }
.mfloat.show { opacity: 1; visibility: visible; transform: none; }
.mfloat a { position: relative; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 0;
            color: var(--hot); background: var(--plate2); border: 1px solid var(--hot); box-shadow: 0 6px 18px rgba(0, 0, 0, 0.6); }
.mfloat a:hover, .mfloat a:focus-visible { color: #000; background: var(--hot); }
.mfloat a:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.mfloat a::after { content: attr(data-tip); position: absolute; right: calc(100% + 10px); top: 50%; transform: translateY(-50%);
                   white-space: nowrap; font-size: 14px; font-weight: 700; color: var(--fg); background: var(--plate2);
                   border: 1px solid var(--line); padding: 3px 9px; pointer-events: none;
                   opacity: 0; transition: opacity 0.15s; }
.mfloat a:hover::after, .mfloat a:focus-visible::after { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .mfloat, .mfloat a::after { transition: none; } }
@media (max-width: 820px) { .mfloat { right: 14px; bottom: 14px; } }
.manual h2, .manual h3, .manual p, .manual tr, .manual li, .manual figure, .manual nav { scroll-margin-top: 80px; }
.found { animation: found 2.4s ease-out; }
@keyframes found { from { background: rgba(25, 227, 255, 0.25); } to { background: transparent; } }
@media (prefers-reduced-motion: reduce) { .found { animation: none; outline: 2px solid var(--hot); } }

/* the manual: the FM-1 drawn, numbered, with its table */
.fm1-fig { margin: 22px 0 8px; }
.fm1-scroll { overflow-x: auto; }
.fm1-fig .narrow { display: none; }
@media (max-width: 700px) { .fm1-fig .narrow { display: inline; } }
.fm1-fig svg { display: block; width: 100%; height: auto; min-width: 640px; }
.fm1-fig figcaption { color: var(--dim); font-size: 15px; margin-top: 4px; }
.fm1 .cut { stroke: var(--dim); stroke-width: 1.5; stroke-dasharray: 6 6; }
.fm1 .lead { fill: none; stroke: var(--mid); stroke-width: 2; }
.fm1 .tip { fill: var(--hot); }
.fm1 .num { fill: var(--hot); stroke: var(--bg); stroke-width: 2; }
.fm1 text { fill: #000; font: 700 19px "Atkinson Hyperlegible", system-ui, sans-serif; text-anchor: middle; }
.fm1 .callout:hover .lead, .fm1 .callout.hot .lead, .fm1 .callout:focus-visible .lead { stroke: #fff; stroke-width: 3; }
.fm1 .callout:hover .num, .fm1 .callout.hot .num, .fm1 .callout:focus-visible .num,
.fm1 .callout:hover .tip, .fm1 .callout.hot .tip, .fm1 .callout:focus-visible .tip { fill: #fff; }
.fm1 .callout:focus { outline: none; }
table.controls td.n { text-align: center; font-weight: 700; }
table.controls td.n a { display: inline-block; min-width: 30px; padding: 1px 0; background: var(--hot);
                        color: #000; text-decoration: none; }
table.controls tr.hot td { background: #1b1f2b; }
table.controls tr.hot td.n a { background: #fff; }

.tagline, .hero .tagline { font-family: var(--mono); font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--hot); margin: 0 0 6px; }

/* other projects */
p.lead { font-size: 20px; color: var(--dim); margin: 0; max-width: 36em; }
.projects { display: grid; gap: 24px; margin: 34px 0 0; }
.project { --accent: var(--mid); background-color: var(--plate2); border: 1px solid var(--line); border-top: 4px solid var(--accent);
           padding: 24px 28px 26px; }
.project-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 18px; }
main .project h2 { margin: 0; padding: 0; border: 0; font-size: 26px; }
.device { color: var(--dim); font-size: 14px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.project > p { margin: 12px 0 0; }
.links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.btn.small { padding: 6px 16px; font-size: 13px; white-space: nowrap; }
.editions { list-style: none; padding: 0; margin: 18px 0 0; border-top: 1px solid var(--line); }
.editions li { display: grid; grid-template-columns: 1fr auto; gap: 12px 24px; align-items: center;
               padding: 16px 0; border-bottom: 1px solid var(--line); }
.editions li:last-child { border-bottom: 0; padding-bottom: 0; }
.ed-name { font-weight: 700; font-size: 19px; }
.ed-note { color: var(--dim); font-size: 16px; line-height: 1.5; margin: 4px 0 0; }
.ed-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.tag { display: inline-block; margin-left: 10px; padding: 1px 9px; border: 1px solid var(--line);
       color: var(--dim); font-size: 13px; font-weight: 700; vertical-align: 2px; }
.tag.current { color: var(--fg); border-color: var(--hot); }

/* apps */
.apps { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; margin: 34px 0 0; }
.app { --accent: var(--hot); min-width: 0; background-color: var(--plate2); border: 1px solid var(--line);
       border-top: 4px solid var(--hot); padding: 24px 28px 26px; }
.app-head { display: flex; align-items: center; gap: 18px; }
.app-icon { width: 72px; height: 72px; border-radius: 16px; flex: none; }
main .app h2 { margin: 0 0 4px; padding: 0; border: 0; font-size: 26px; }
main .app h3 { margin: 26px 0 8px; font-size: 18px; }
.app > p { margin: 16px 0 0; }
.app-art { display: block; width: 100%; height: auto; margin: 20px 0 0; border: 1px solid var(--line); }
.stores { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 20px 0 0; }
.stores a { display: block; line-height: 0; }
.stores img { height: 44px; width: auto; }
.app-shots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 24px 0 0; }
.app-shots a { display: block; line-height: 0; border: 1px solid var(--line); overflow: hidden; }
.app-shots img { width: 100%; height: auto; }
.app-shots a:hover, .app-shots a:focus-visible { border-color: var(--accent); }
.app-features { margin: 0; padding-left: 1.2em; list-style: disc; }
.app-features li { margin: 6px 0; }

/* the installer */
.panel { background-color: var(--plate2); border: 1px solid var(--line); padding: 24px 28px; margin-top: 20px; }
.status { font-size: 20px; font-weight: 700; margin: 0 0 8px; font-family: var(--head); text-transform: uppercase; letter-spacing: 0.05em; }
.status.ok { color: var(--ok); } .status.bad { color: var(--warn); }
.detail { color: var(--dim); margin: 0; white-space: pre-line; }
.bar { height: 22px; background: var(--bg); border: 2px solid var(--hot); overflow: hidden; margin: 16px 0 6px; }
.bar > div { height: 100%; width: 0; background: repeating-linear-gradient(-45deg, #19e3ff 0 12px, #0aa6bd 12px 24px); transition: width 0.2s; }
.check { display: flex; gap: 12px; align-items: flex-start; margin: 16px 0; font-size: 17px; }
.check input { width: 22px; height: 22px; margin-top: 3px; flex: none; accent-color: var(--hot); }
.dev { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 10px 0 0; }
.dev dt { color: var(--dim); }
.dev dd { margin: 0; font-weight: 700; }

/* narrow screens: the menu above the content */
@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .side { width: auto; height: auto; position: static; align-self: stretch; border-right: 0; border-bottom: 1px solid var(--line); padding: 16px 20px 12px; }
  .brand img { width: auto; height: 24px; }
  .top { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
  .machines { grid-template-columns: 1fr; }
  .menu-btn { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; flex: none;
              padding: 10px; background: none; border: 1px solid var(--line); cursor: pointer; }
  .menu-btn span { display: block; height: 2px; background: var(--fg); }
  .side nav { position: fixed; top: 0; right: 0; bottom: 0; width: min(80vw, 300px); z-index: 40;
              background: #030305; border-left: 1px solid var(--line); padding: 64px 18px 24px;
              transform: translateX(100%); transition: transform 0.22s ease; visibility: hidden; }
  .menu-open .side nav { transform: none; visibility: visible; }
  .side nav a { font-size: 17px; padding: 11px 14px; }
  .menu-close { display: block; position: absolute; top: 12px; right: 12px; width: 44px; height: 44px;
                background: none; border: 1px solid var(--line); color: var(--fg);
                font-size: 28px; line-height: 1; cursor: pointer; font-family: inherit; }
  .menu-shade { display: block; position: fixed; inset: 0; z-index: 35; background: rgba(0, 0, 0, 0.7); }
  .menu-shade[hidden] { display: none; }
  .menu-open { overflow: hidden; }
  .project { padding: 20px 18px 22px; }
  main .project h2 { font-size: 22px; }
  .editions li { grid-template-columns: 1fr; }
  .editions li > .btn { justify-self: start; }
  .ed-links { justify-content: flex-start; }
  .app { padding: 20px 18px 22px; }
  main .app h2 { font-size: 22px; }
  .app-icon { width: 56px; height: 56px; border-radius: 13px; }
  .app-shots { grid-template-columns: minmax(0, 1fr); }
  .donate-side { display: none; }
  .donate-foot { display: flex; margin: 24px 0 8px; padding-top: 24px; }
  .content { padding: 16px 12px 0; }
  main { padding: 24px 18px 34px; }
  .hero .art { width: calc(100% + 36px); margin: -24px -18px 24px; }
  main h1 { font-size: 30px; }
  main h2 { font-size: 22px; }
  .hero h1 { font-size: 24px; }
  .hero .logo { display: none; }               /* (the bar above shows it) */
  body { font-size: 17px; }
  .features { grid-template-columns: 1fr; gap: 0; }
  .features dd { margin-bottom: 10px; }
  .shot { grid-template-columns: 1fr; gap: 14px; }
  main td:first-child { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) { .side nav, .bar > div { transition: none; } }

/* a screen in the manual, as the FM-1 draws it */
img.mshot { display: block; width: 240px; height: 240px; image-rendering: pixelated; border: 6px solid #000;
            outline: 1px solid var(--mid); box-sizing: content-box; margin: 14px 0; }