@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}

:root {
  --black: #0A0A0A;
  --white: #FFFFFF;
  --grey-1: #1E1E1E;   /* resting bytes, dividers */
  --grey-2: #4A4A4A;   /* offsets and captions inside the scan, contours */
  --grey-mid: #7A7A7A; /* small labels on text pages: 4.6:1 on black (AA) */
  --grey-3: #B8B8B8;   /* secondary text on black (AA contrast) */
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --side: clamp(20px, 3.2vw, 48px);
}

* { box-sizing: border-box; }
html { scrollbar-gutter: stable; }   /* the open menu locks the scroll without shifting the page */
html, body { margin: 0; background: var(--black); color: var(--white); }
html.menu-open { overflow: hidden; }
body { font-family: "Archivo", system-ui, sans-serif; font-stretch: 100%; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
h1, h2 { text-wrap: balance; }       /* no single word left on the last line */
:focus-visible { outline: 1px solid var(--white); outline-offset: 4px; }

/* ---------------------------------------------------------------- header and menu, on every page */
/* wide screens show the links in the header; phones get the menu button and the full-screen menu */
.top { position: absolute; z-index: 3; top: 0; left: 0; right: 0; display: flex; align-items: center;
       justify-content: space-between; padding: 28px var(--side); }
.top .brand { display: block; }
.top img { height: 26px; width: auto; display: block; }   /* "Opsilux" in lower case: a little taller than the capitals' 22 px */
.nav { display: flex; gap: 34px; }
.nav a { font-size: 15px; text-decoration: none; color: var(--grey-3); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--white); }

/* the menu button stays on screen while the header scrolls away; centred on the logo's line */
.menu-button { position: fixed; z-index: 30; top: 19px; right: calc(var(--side) - 11px); width: 44px; height: 44px; margin: 0; padding: 0;
               border: 0; border-radius: 0; background: var(--black); color: var(--white); cursor: pointer; display: none; }
@media (max-width: 760px) {
  .nav { display: none; }
  .menu-button { display: block; }
}
.menu-button i { position: absolute; left: 11px; width: 22px; height: 2px; background: currentColor; transition: transform 160ms linear, opacity 160ms linear; }
.menu-button i:nth-child(1) { top: 14px; }
.menu-button i:nth-child(2) { top: 21px; }
.menu-button i:nth-child(3) { top: 28px; }
.menu-button[aria-expanded="true"] i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-button[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* the full-screen menu (built by menu.js): a beam passes down the screen and the menu is behind it */
.menu { position: fixed; inset: 0; z-index: 20; display: flex; flex-direction: column; overflow-y: auto; overscroll-behavior: contain;
        padding: 28px var(--side) 32px; background: var(--black); }
.menu[hidden] { display: none; }
.menu .brand { align-self: flex-start; }
.menu .brand img { height: 26px; width: auto; display: block; }
/* the notes stand in one column, after the longest name */
.menu ul { list-style: none; margin: auto 0; padding: 48px 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); }
.menu li, .menu li a { display: grid; grid-column: 1 / -1; grid-template-columns: subgrid; align-items: baseline; }
.menu li a { column-gap: 48px; padding: 6px 0; text-decoration: none; }
.menu .name { justify-self: start; }
/* links are underlined by the beam: a 1 px line, drawn on hover and kept under the page you are on */
.menu .name { font-stretch: 112%; font-weight: 600; font-size: clamp(44px, 7vw, 104px); line-height: 1.08; letter-spacing: -0.012em;
              background: linear-gradient(var(--white), var(--white)) left bottom / 0 1px no-repeat; transition: background-size 200ms linear; }
.menu a:hover .name, .menu a:focus-visible .name, .menu a[aria-current="page"] .name { background-size: 100% 1px; }
.menu .note { font-size: 15px; color: var(--grey-3); }
@media (max-width: 700px) {
  .menu ul, .menu li, .menu li a { display: block; }
  .menu .name { display: inline-block; }
  .menu .note { display: block; margin: 4px 0 14px; }
}
.menu-foot { display: flex; gap: 28px; margin: 0; font-size: 14px; }
.menu-foot a { color: var(--grey-3); text-decoration: none; }
.menu-foot a:hover { color: var(--white); }
.menu.sweep { animation: menu-open 320ms linear both; }
.menu-beam { position: fixed; z-index: 21; left: 0; right: 0; top: -1px; height: 1px; background: var(--white);
             box-shadow: 0 0 5px rgba(255, 255, 255, 0.45); opacity: 0; pointer-events: none; }
.menu-beam.run { animation: menu-beam 320ms linear both; }
@keyframes menu-open { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0); } }
@keyframes menu-beam { 0% { opacity: 1; transform: translateY(0); } 96% { opacity: 1; } 100% { opacity: 0; transform: translateY(100vh); } }

/* ---------------------------------------------------------------- pqscan: first screen */
/* one sticky scene for the whole scan: the first screen, then the image opening */
.scan-track { position: relative; height: 900vh; }   /* 800 vh of scrolling: TRACK in layers.js */
.surface { position: sticky; top: 0; height: 100vh; min-height: 640px; overflow: hidden; }

.statement { position: absolute; z-index: 3; left: var(--side); bottom: clamp(36px, 8vh, 88px); max-width: min(52vw, 760px); }
.statement .kicker { margin: 0 0 20px; }
.statement h1 { margin: 0; font-stretch: 112%; font-weight: 600; font-size: clamp(48px, 6vw, 96px);
                line-height: 0.96; letter-spacing: -0.012em; }
.statement p { margin: 26px 0 0; max-width: 34em; font-size: clamp(17px, 1.35vw, 21px); line-height: 1.45; color: var(--grey-3); }
.ask { display: inline-block; margin-top: 30px; font-size: 17px; text-decoration: none;
       border-bottom: 1px solid var(--white); padding-bottom: 3px; }
.ask span { color: var(--grey-3); }
.ask:hover span { color: var(--white); }

/* the firmware: real bytes, two identical layers; the lit layer only shows near the beam.
   --y does not inherit, so moving the light restyles one element, not every row inside it */
@property --y { syntax: "<length>"; inherits: false; initial-value: 0px; }
.dump-wrap { position: absolute; z-index: 1; top: 0; bottom: 64px; right: var(--side); padding-top: 96px;
             font: 13px/1.62 var(--mono); overflow: hidden; }
.dump { position: relative; white-space: pre; }
.dump.lit { position: absolute; inset: 96px 0 auto 0; color: var(--white);
            -webkit-mask-image: linear-gradient(to bottom, transparent calc(var(--y) - 150px), rgba(0,0,0,.35) calc(var(--y) - 40px), #000 calc(var(--y) - 8px), transparent calc(var(--y) + 12px));
            mask-image: linear-gradient(to bottom, transparent calc(var(--y) - 150px), rgba(0,0,0,.35) calc(var(--y) - 40px), #000 calc(var(--y) - 8px), transparent calc(var(--y) + 12px)); }
.dump.dim { color: var(--grey-1); }
.dump .o { color: var(--grey-2); margin-right: 1.6em; }
.dump.lit .o { color: var(--grey-3); }
.dump .a { margin-left: 1.6em; }
.dump-wrap.no-ascii .dump .a { display: none; }   /* narrower windows: the bytes keep clear of the statement (scan.js) */
.dump .gap { color: var(--grey-2); font-style: italic; }

/* the first screen scans without a visible line: the bytes light up and fade, the light itself stays unseen */
.beam { position: absolute; z-index: 2; left: 0; width: 0; height: 1px; background: var(--white); top: 0; visibility: hidden; }

/* the instrument readout: where the beam is and what it is passing */
.readout { position: absolute; z-index: 3; top: 66px; right: var(--side); display: flex; gap: 14px; align-items: baseline;
           white-space: nowrap; font: 12px/1 var(--mono); color: var(--grey-3); }
.readout .ro-tool { color: var(--grey-2); }
.readout .ro-label { font: 500 13px/1 "Archivo", sans-serif; color: var(--white); min-width: 18em; text-align: right; }

.source { position: absolute; z-index: 3; right: var(--side); bottom: 22px; font-size: 12px; color: var(--grey-2); text-align: right; }

@media (max-width: 900px) {
  .dump-wrap { right: auto; left: var(--side); font-size: 11px; opacity: 0.8; }
  .dump .a { display: none; }
  .statement { max-width: none; left: 0; right: 0; bottom: 0; padding: 72px var(--side) clamp(56px, 9vh, 88px);
               background: linear-gradient(to top, var(--black) 74%, rgba(10, 10, 10, 0)); }
  .readout { left: var(--side); right: auto; }
  .readout .ro-label { min-width: 0; text-align: left; }
  .source { left: var(--side); text-align: left; }
}
@media (max-width: 520px) {
  .readout .ro-tool { display: none; }
  .dump-wrap { font-size: 10px; }
}

/* ---------------------------------------------------------------- pqscan: the image opens (sticky scene) */
.scene { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; display: block; }
.stage-text { position: absolute; z-index: 2; top: clamp(72px, 11vh, 116px); left: var(--side); right: var(--side); max-width: 760px; pointer-events: none; opacity: 0; }
/* the captions share one place; the scroll crossfades them, no timers */
.caps { position: relative; }
.cap { position: absolute; left: 0; top: 0; width: 100%; opacity: 0; will-change: opacity, transform; }
.cap .t { margin: 0; font-stretch: 112%; font-weight: 600; font-size: clamp(34px, 4.2vw, 64px); line-height: 1.02; letter-spacing: -0.01em;
          font-variant-numeric: tabular-nums; }
.cap .s { margin: 18px 0 0; max-width: 34em; font-size: clamp(16px, 1.25vw, 19px); line-height: 1.5; color: var(--grey-3); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.stage-source { position: absolute; z-index: 2; right: var(--side); bottom: 18px; margin: 0; font-size: 12px; color: var(--grey-2); opacity: 0; }
/* two layer labels in one place: the scroll crossfades them */
.layers { position: relative; }
.layer-index { margin: 0 0 18px; font-size: 14px; color: var(--grey-2); }
.layers .layer-index + .layer-index { position: absolute; left: 0; top: 0; opacity: 0; }

/* the closing call, mirroring the first screen */
.finale { position: absolute; z-index: 3; left: var(--side); bottom: clamp(36px, 8vh, 88px); max-width: min(64vw, 860px);
          opacity: 0; visibility: hidden; }
.finale h2 { margin: 0; font-stretch: 112%; font-weight: 600; font-size: clamp(44px, 5.6vw, 88px); line-height: 0.98; letter-spacing: -0.012em; }
.finale p { margin: 24px 0 0; max-width: 34em; font-size: clamp(17px, 1.35vw, 21px); line-height: 1.45; color: var(--grey-3); }
.finale .recap { margin-top: 30px; max-width: none; font: 12px/1.5 var(--mono); color: var(--grey-2); }
@media (max-width: 900px) {
  .finale { right: var(--side); max-width: none; bottom: clamp(56px, 9vh, 88px); }
}

/* how far the scan has gone: a thin line on the right with a division per stage */
.progress { position: absolute; z-index: 3; right: max(10px, calc(var(--side) / 2.6)); top: 30%; height: 40%; width: 1px; background: var(--grey-1); opacity: 0; }
.progress i { position: absolute; left: 0; top: 0; width: 1px; height: 100%; background: var(--white); transform: scaleY(0); transform-origin: 0 0; }
.progress b { position: absolute; left: -3px; width: 7px; height: 1px; background: var(--grey-2); }
.progress b.on { background: var(--white); }
.tip { position: absolute; z-index: 3; pointer-events: none; background: var(--black); border: 1px solid var(--grey-2); padding: 8px 10px;
       font: 12px/1.45 var(--mono); color: var(--white); max-width: 420px; }
.tip .algos { color: var(--grey-3); }

/* ---------------------------------------------------------------- a small label above a headline (pqscan, homepage) */
.kicker { margin: 0 0 18px; font-size: 14px; color: var(--grey-mid); }

/* ---------------------------------------------------------------- homepage: films of a real image, the product, why we exist */
.film { position: absolute; inset: 0; }
.film-box { position: absolute; visibility: hidden; pointer-events: none; }   /* where a film plays: layers.js reads its box */

/* the first screen is a film, as large as the screen; one line under it */
.hero-film { position: relative; height: 100vh; height: 100svh; min-height: 620px; overflow: hidden; }
.hero-film .film-box { top: 112px; left: var(--side); right: var(--side); bottom: clamp(190px, 27vh, 250px); }
.hero-line { position: absolute; z-index: 2; left: var(--side); right: var(--side); bottom: clamp(40px, 7vh, 72px);
             display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 48px; }
.hero-line h1 { margin: 0; font-stretch: 112%; font-weight: 600; font-size: clamp(46px, 6.6vw, 108px); line-height: 0.96; letter-spacing: -0.012em; }
.film-note { margin: 0 0 8px; max-width: 26em; font-size: 13px; line-height: 1.45; color: var(--grey-mid); }

/* the night city fills the first screen; its readout and labels sit on top (city.js) */
.atlas::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 42%; pointer-events: none;
                background: linear-gradient(to top, rgba(10, 10, 10, 0.94), rgba(10, 10, 10, 0)); }
.atlas::before { content: ""; position: absolute; z-index: 1; left: 0; right: 0; top: 0; height: 150px; pointer-events: none;
                 background: linear-gradient(to bottom, rgba(10, 10, 10, 0.9), rgba(10, 10, 10, 0)); }   /* the header and the readout stay legible */
.atlas-count { position: absolute; z-index: 1; top: 96px; left: var(--side); right: var(--side); margin: 0; font: 12px/1.5 var(--mono); color: var(--grey-3); }
.atlas-count b { color: var(--white); font-weight: 400; }
.atlas-count i { color: var(--grey-2); font-style: normal; padding: 0 4px; }
.atlas.no-webgl::after, .atlas.no-webgl .atlas-count { display: none; }
.atlas-tags { position: absolute; z-index: 1; inset: 0; pointer-events: none; transition: opacity 400ms linear; }
.atlas-tags span { position: absolute; left: 0; top: 0; margin-left: -40px; width: 80px; text-align: center; font-size: 11px; color: var(--grey-3); }
/* the firmware city (city.js): quarters named on the ground, known files on a thin leader above their buildings */
.atlas-tags .quarter { margin-left: 0; width: auto; text-align: left; font: 11px/1 var(--mono); color: var(--grey-mid); white-space: pre; }
.atlas-tags .mark { margin-left: -1px; width: auto; text-align: left; font: 500 12px/1 "Archivo", sans-serif; color: var(--grey-3);
                    white-space: nowrap; padding-left: 6px; transform-origin: 0 100%; }
.atlas-tags .mark::after { content: ""; position: absolute; left: 0; top: -2px; width: 1px; height: calc(var(--lead) + 2px); background: var(--grey-3); }
.atlas-tags .mark.breaks { color: var(--white); }
.atlas-tags .mark.breaks::after { background: var(--white); }

/* the product as one large tile, its name in the corner. The film stops 32px above the text: the space under the film
   is the text's own height (name, two lines of description, and on phones the link on its own line) */
.tile { --inset: clamp(24px, 3vw, 48px); --name: clamp(40px, 5vw, 80px); --line: clamp(16px, 1.3vw, 20px); --low: clamp(20px, 3.5vh, 32px);
        --link-row: 0px;
        position: relative; display: block; margin: 0 var(--side); height: clamp(560px, 88vh, 900px); background: #111111;
        color: var(--white); text-decoration: none; overflow: hidden; }
.tile .film-box { top: clamp(28px, 5vh, 48px); left: var(--inset); right: var(--inset);
                  bottom: calc(var(--low) + var(--name) + 12px + 2.9 * var(--line) + var(--link-row) + 32px); }
.tile-text { position: absolute; z-index: 2; left: var(--inset); right: var(--inset); bottom: var(--low);
             display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 40px; }
.tile h2 { margin: 0; font-stretch: 112%; font-weight: 600; font-size: var(--name); line-height: 1; letter-spacing: -0.012em; }
.tile p { margin: 12px 0 0; max-width: 30em; font-size: var(--line); line-height: 1.45; color: var(--grey-3); }
.tile-go { font-size: 17px; border-bottom: 1px solid var(--white); padding-bottom: 3px; white-space: nowrap; }
.tile-go span { color: var(--grey-3); }
.tile:hover .tile-go span { color: var(--white); }

/* why the company exists: the one light section, black on white */
.manifesto { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 32px 72px; align-items: start;
             margin-top: clamp(96px, 14vh, 160px); padding: clamp(96px, 15vh, 170px) var(--side); background: #F2F2F2; color: var(--black); }
.manifesto .kicker { grid-column: 1 / -1; margin: 0; color: #5A5A5A; }   /* 6.2:1 on the light ground */
.manifesto h2 { margin: 0; font-stretch: 112%; font-weight: 600; font-size: clamp(36px, 4.4vw, 68px); line-height: 1.02; letter-spacing: -0.012em; }
.manifesto-body p { margin: 0 0 20px; max-width: 34em; font-size: clamp(17px, 1.3vw, 20px); line-height: 1.55; color: #2A2A2A; }
.manifesto-body p:last-child { margin-bottom: 0; }

.company-strip { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 18px 48px;
                 padding: clamp(80px, 13vh, 140px) var(--side); }
.company-strip p { margin: 0; max-width: 20em; font-stretch: 112%; font-weight: 600; font-size: clamp(26px, 2.8vw, 44px); line-height: 1.12; letter-spacing: -0.008em; }
.company-strip .ask { margin-top: 0; }

@media (max-width: 760px) {
  .hero-film .film-box { top: 96px; bottom: 230px; }
  .tile { margin: 0; --link-row: 39px; }   /* the link drops to its own line: 16px gap and the line itself */
  .manifesto { grid-template-columns: 1fr; }
}
@media (max-width: 370px) {
  .tile { --link-row: calc(39px + 1.45 * var(--line)); }   /* the description takes a third line */
}

/* ---------------------------------------------------------------- text pages: company, privacy, legal, not found */
.doc { padding: clamp(140px, 22vh, 220px) var(--side) clamp(80px, 12vh, 140px); }
.doc-hero { max-width: 1040px; padding-bottom: clamp(56px, 9vh, 104px); }
.doc-hero h1 { margin: 0; font-stretch: 112%; font-weight: 600; font-size: clamp(44px, 6.2vw, 96px); line-height: 0.98; letter-spacing: -0.012em; }
.doc-hero .lead { margin: 28px 0 0; max-width: 34em; font-size: clamp(17px, 1.4vw, 22px); line-height: 1.45; color: var(--grey-3); }
.doc-section { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 20px 64px; padding: 44px 0 36px; border-top: 1px solid var(--grey-1); }
.doc-section h2 { margin: 0; font-stretch: 112%; font-weight: 600; font-size: clamp(22px, 1.9vw, 28px); line-height: 1.15; letter-spacing: -0.005em; }
.doc-section p, .doc-section li { font-size: 17px; line-height: 1.6; color: var(--grey-3); max-width: 38em; }
.doc-section p { margin: 0 0 14px; }
.doc-section ul { margin: 0 0 14px; padding-left: 1.1em; }
.doc-section li { margin-bottom: 6px; }
.doc-section strong { color: var(--white); font-weight: 500; }
.doc-section a:not(.ask) { color: var(--white); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.doc-section .ask { margin-top: 10px; }
.doc .updated { margin: 0; font-size: 14px; color: var(--grey-mid); }
.doc .code { margin: 0 0 24px; font: 12px/1 var(--mono); color: var(--grey-mid); }
/* the company page is a document: a title block, numbered parts, a letter, and the evidence in the margin */
.paper { --text: 640px; --margin-notes: 270px; padding: clamp(132px, 19vh, 190px) var(--side) clamp(80px, 12vh, 140px) calc(var(--side) + 88px); }
.paper-head { max-width: calc(var(--text) + 40px + var(--margin-notes)); padding-bottom: clamp(48px, 8vh, 80px); }
.paper-meta { display: flex; flex-wrap: wrap; margin: 0 0 clamp(40px, 7vh, 72px); border-top: 1px solid var(--grey-2); border-bottom: 1px solid var(--grey-1); }
.paper-meta div { padding: 10px 28px 10px 0; margin-right: 28px; border-right: 1px solid var(--grey-1); }
.paper-meta div:last-child { border-right: 0; }
.paper-meta dt { font: 11px/1.4 var(--mono); color: var(--grey-mid); }
.paper-meta dd { margin: 2px 0 0; font: 13px/1.4 var(--mono); color: var(--white); }
.paper h1 { margin: 0; font-stretch: 112%; font-weight: 600; font-size: clamp(44px, 5.6vw, 88px); line-height: 0.98; letter-spacing: -0.012em; }
.paper-abstract { max-width: 32em; margin: 28px 0 0; font-size: clamp(18px, 1.45vw, 22px); line-height: 1.5; color: var(--grey-3); }
.paper-part { max-width: var(--text); padding-top: clamp(40px, 7vh, 64px); }
.paper h2 { position: relative; margin: 0 0 22px; font-stretch: 112%; font-weight: 600; font-size: clamp(24px, 2.1vw, 32px); line-height: 1.15; }
.paper h2 .num { position: absolute; left: -88px; top: 0.25em; font: 13px/1 var(--mono); color: var(--grey-mid); }
.paper-part p { margin: 0 0 18px; font-size: 18px; line-height: 1.68; color: rgba(255, 255, 255, 0.84); }
.paper sup { font: 10px/0 var(--mono); color: var(--white); margin-left: 2px; }
/* the evidence: beside its paragraph on a wide screen, under it on a narrow one */
.paper .note { float: right; clear: right; width: var(--margin-notes); margin: 4px calc(-1 * (var(--margin-notes) + 40px)) 12px 0;
               font: 12px/1.6 var(--mono); color: var(--grey-mid); }
.paper .note b { font-weight: 400; color: var(--white); margin-right: 6px; }
.paper-part a:not(.ask) { text-decoration-thickness: 1px; text-underline-offset: 3px; }
.paper-sign { margin-top: 36px !important; color: var(--grey-3) !important; }
.paper-sign .ask { margin-top: 10px; }
/* pqscan: the terms an image is handled under, numbered in the margin like the parts of the company document */
.paper.sheet { padding-top: clamp(96px, 15vh, 150px); border-top: 1px solid var(--grey-1); }
.paper .sheet-title { margin-bottom: clamp(28px, 4vh, 40px); font-size: clamp(32px, 3.4vw, 52px); line-height: 1.02; letter-spacing: -0.01em; }
.clauses { max-width: var(--text); margin: 0; padding: 0; list-style: none; counter-reset: clause; }
.clauses li { position: relative; margin: 0 0 18px; font-size: 18px; line-height: 1.68; color: rgba(255, 255, 255, 0.84); counter-increment: clause; }
.clauses li::before { content: counter(clause); position: absolute; left: -88px; top: 0.62em; font: 13px/1 var(--mono); color: var(--grey-mid); }
@media (max-width: 1100px) {
  .paper { padding-left: var(--side); }
  .paper h2 .num { position: static; margin-right: 14px; }
  .paper .note { float: none; display: block; width: auto; margin: 10px 0 0; padding-left: 14px; border-left: 1px solid var(--grey-2); }
  .clauses li { padding-left: 36px; }
  .clauses li::before { left: 0; }
}

/* the page for addresses that do not exist: a document numbered 404, tall enough to keep the footer at the bottom */
.paper.lost { min-height: calc(100vh - 220px); }

/* details that must be filled in before the site is published */
.pending { color: var(--white); border-bottom: 1px dashed var(--grey-mid); }
@media (max-width: 760px) {
  .doc-section { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------- footer */
.foot-big { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px 64px; padding: 56px var(--side) 36px; border-top: 1px solid var(--grey-1); }
.foot-big .brand { align-self: start; }
.foot-big .brand img { height: 26px; width: auto; display: block; }
.foot-big .cols { display: flex; flex-wrap: wrap; gap: 32px 80px; }
.foot-big h3 { margin: 0 0 14px; font-size: 13px; font-weight: 500; color: var(--grey-mid); }
.foot-big nav a { display: block; margin: 0 0 9px; font-size: 15px; color: var(--grey-3); text-decoration: none; }
.foot-big nav a:hover { color: var(--white); }
.foot-big .copy { grid-column: 1 / -1; margin: 28px 0 0; font-size: 13px; color: var(--grey-mid); }
.foot-big nav a[aria-current="page"] { color: var(--white); }
@media (max-width: 760px) {
  .foot-big { grid-template-columns: 1fr; }
}