/* NUBAYIN Brand Kit: the viewer's own chrome. Built only from system/tokens.css and system/base.css.
   Reading (gypsum) for what the kit explains, Cinema (kohl) for the bar and the front page. No shadows, no radius, 1px rules. */

:root { --gutter: max(16px, env(safe-area-inset-left), env(safe-area-inset-right)); --max: 1240px; --bar: 44px; }
* { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--bar) + 24px); }
body { min-height: 100vh; display: flex; flex-direction: column; }
img, svg, video { max-width: 100%; }
a { color: var(--accent); text-decoration-line: underline; text-decoration-thickness: 1px; text-underline-offset: 3px;
    transition: color var(--dur-fast) var(--ease-out), text-decoration-thickness var(--dur-fast) var(--ease-out); }
a:hover { color: var(--accent-strong); text-decoration-thickness: 2px; }
code, pre { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; padding: 10px 14px; background: var(--canvas); color: var(--text);
        font: 500 13px/1 var(--font-display); }
.skip:focus { left: 16px; }

/* The point: a 9 x 7.5 rhombus cut from the mark. Eyebrow marker, list bullet and selected state. */
.eb { font: 500 12px/1.3 var(--font-display); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3);
      display: flex; gap: 10px; align-items: center; margin: 0; }
.eb i, .pt { width: 9px; height: 7.5px; background: var(--point); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); flex: none; display: inline-block; }

/* ---------------------------------------------------------------- the bar */
.bar { position: sticky; top: 0; z-index: 10; min-height: var(--bar); display: flex; align-items: center; gap: 12px 32px; flex-wrap: wrap;
       padding: 0 var(--gutter); background: var(--kohl-1000); color: var(--text); }
.bar a { text-decoration: none; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font: 500 11px/1 var(--font-display); letter-spacing: .14em;
         text-transform: uppercase; min-height: var(--bar); }
.brand:hover { color: var(--text); }
.top { display: flex; gap: 4px 22px; align-items: center; }
.top a { position: relative; display: inline-flex; align-items: center; gap: 8px; min-height: var(--bar); color: var(--text-2);
         font: 500 11px/1 var(--font-display); letter-spacing: .14em; text-transform: uppercase; }
.top a:hover { color: var(--text); }
.top a[aria-current="page"] { color: var(--text); }
.top a[aria-current="page"]::before { content: ""; width: 7.2px; height: 6px; background: var(--point); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.ver { margin-left: auto; font: 400 11px/1 var(--font-display); letter-spacing: .06em; color: var(--text-3); }
@media (max-width: 1000px) { .ver { display: none; } }
@media (max-width: 720px) {
  .bar { gap: 0 20px; padding-top: 4px; }
  .brand { min-height: 36px; }
  .top { width: 100%; overflow-x: auto; scrollbar-width: none; }
  .top a { min-height: 40px; white-space: nowrap; }
}
/* On a phone the brand name is the way home, so the four sections fit without scrolling. */
@media (max-width: 480px) { .top a:first-child { display: none; } .top { gap: 4px 18px; } }

/* ---------------------------------------------------------------- layout */
.shell { width: 100%; max-width: calc(var(--max) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); flex: 1 0 auto; }
.with-side { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 72px; padding-top: 64px; }
main.shell { padding-top: 64px; }
.side { position: sticky; top: calc(var(--bar) + 32px); align-self: start; max-height: calc(100vh - var(--bar) - 64px); overflow: auto; }
.side-h { margin: 0 0 12px; font: 500 12px/1.3 var(--font-display); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); }
.side ol { list-style: none; margin: 0; padding: 0; }
.side a { display: flex; align-items: baseline; gap: 10px; padding: 7px 0; color: var(--text-2); text-decoration: none; font: 400 15px/1.3 var(--font-display); }
.side a:hover { color: var(--text); }
.side a[aria-current="page"] { color: var(--text); }
.side a[aria-current="page"]::after { content: ""; width: 9px; height: 7.5px; background: var(--point); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); flex: none; transform: translateY(-1px); }
.n { flex: none; width: 22px; font: 500 11px/1 var(--font-display); letter-spacing: .06em; color: var(--text-3); font-variant-numeric: tabular-nums; }
@media (max-width: 960px) {
  .with-side { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-top: 32px; }
  .side { position: static; max-height: none; border-bottom: 1px solid var(--rule); padding-bottom: 12px; }
  .side ol { display: flex; gap: 0 22px; overflow-x: auto; scrollbar-width: thin; padding-bottom: 6px; }
  .side li { flex: none; }
  .side a { white-space: nowrap; }
}

/* ---------------------------------------------------------------- the text */
.doc { min-width: 0; }
.doc h1 { margin: 18px 0 36px; font: 400 clamp(40px, 6vw, 64px)/1.02 var(--font-display); letter-spacing: -.02em; }
.lede { margin: -12px 0 0; max-width: 62ch; font: 400 21px/1.55 var(--font-text); color: var(--text-2); }
.prose { font: 400 17px/1.6 var(--font-text); }
.prose > :first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol { margin: 0 0 18px; max-width: 65ch; }
.prose h2 { margin: 72px 0 20px; padding-top: 20px; border-top: 1px solid var(--rule); font: 400 31px/1.1 var(--font-display); letter-spacing: -.015em; max-width: 30ch; }
.prose h3 { margin: 40px 0 10px; font: 500 19px/1.3 var(--font-display); }
.prose strong { font-weight: 700; }
.prose ul { list-style: none; padding: 0; }
.prose ul ul { margin: 8px 0 0; }
.prose li { margin: 0 0 8px; }
.prose ul > li { position: relative; padding-left: 22px; }
.prose ul > li::before { content: ""; position: absolute; left: 1px; top: .6em; width: 9px; height: 7.5px; background: var(--point);
                         clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.prose ol { padding-left: 1.4em; }
.prose ol > li::marker { font: 500 .8em var(--font-display); color: var(--text-3); }
.prose code { font-size: .84em; padding: 1px 5px; background: var(--surface); border: 1px solid var(--rule); overflow-wrap: anywhere; }
.prose a code { color: inherit; }
.prose blockquote { margin: 24px 0; padding-left: 20px; border-left: 1px solid var(--text-3); color: var(--text-2); max-width: 62ch; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 48px 0; }
.small, .prose.small { font-size: 15px; line-height: 1.55; }
.prose.small p, .prose.small ul { margin-bottom: 12px; }

.tw { width: 100%; overflow-x: auto; margin: 8px 0 28px; border-top: 1px solid var(--text-3); }
.tw table { width: 100%; border-collapse: collapse; font: 400 15px/1.5 var(--font-text); }
.tw th { text-align: left; vertical-align: bottom; padding: 12px 20px 10px 0; font: 500 11px/1.3 var(--font-display); letter-spacing: .1em;
         text-transform: uppercase; color: var(--text-3); border-bottom: 1px solid var(--rule); }
.tw td, .tw tbody th { vertical-align: top; padding: 12px 20px 12px 0; border-bottom: 1px solid var(--rule); }
.tw tbody th { text-align: left; font: 500 14px/1.4 var(--font-display); letter-spacing: 0; text-transform: none; color: var(--text); }
.tw td:last-child, .tw th:last-child { padding-right: 0; }

pre { margin: 16px 0 24px; padding: 16px 18px; overflow-x: auto; background: var(--surface); border: 1px solid var(--rule);
      font-size: 13px; line-height: 1.65; color: var(--text); }
pre code { padding: 0; border: 0; background: none; font-size: inherit; }

.pn { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 112px; padding-top: 20px; border-top: 1px solid var(--text); }
.pn a { display: grid; gap: 6px; color: var(--text); text-decoration: none; font: 400 22px/1.2 var(--font-display); }
.pn a span { font: 500 11px/1.3 var(--font-display); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); }
.pn a:hover { color: var(--accent); }
.pn .next { text-align: right; justify-items: end; }

/* ---------------------------------------------------------------- the front page */
.hero { padding: clamp(64px, 10vw, 136px) 0 clamp(56px, 8vw, 112px); }
.hero-in { max-width: calc(var(--max) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.lockup { --h: clamp(64px, 9vw, 112px); display: flex; align-items: center; flex-wrap: wrap; gap: 24px calc(var(--h) * 9 / 28); margin: 44px 0 36px; }
.lockup > svg { height: var(--h); width: auto; flex: none; }
.lockup .names { display: flex; align-items: center; flex-wrap: wrap; gap: 8px calc(var(--h) * 9 / 28); font-size: calc(var(--h) * .64); }
.lockup .lat { font: 500 1em/1 var(--font-display); letter-spacing: .06em; }
/* No font-size here: base.css sets the Arabic 1.12 times the Latin at the language boundary. */
.lockup .nm { font-family: var(--font-display); font-weight: 500; line-height: 1.4; }
.line { margin: 0; max-width: 30ch; font: 400 clamp(22px, 3vw, 31px)/1.25 var(--font-display); letter-spacing: -.01em; color: var(--text-2); }

.doors { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0 0 80px; border-left: 1px solid var(--rule); }
.door { display: grid; align-content: start; gap: 8px; padding: 24px 24px 28px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
        color: var(--text); text-decoration: none; transition: background-color var(--dur-fast) var(--ease-out); }
.door:hover { background: var(--surface); color: var(--text); }
.door .dn { font: 500 11px/1.3 var(--font-display); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); }
.door .dt { font: 400 28px/1.1 var(--font-display); letter-spacing: -.01em; }
.door:hover .dt { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.door .dd { font: 400 15px/1.5 var(--font-text); color: var(--text-2); }
@media (max-width: 1000px) { .doors { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .doors { grid-template-columns: minmax(0, 1fr); } }

.split { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 72px; }
.rail .box { border-top: 1px solid var(--text); padding-top: 14px; margin: 0 0 44px; }
.rail .bh { margin: 0 0 14px; font: 500 12px/1.3 var(--font-display); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); }
.rail pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.toc { list-style: none; margin: 0; padding: 0; }
.toc a { display: flex; align-items: baseline; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--rule); color: var(--text); text-decoration: none;
         font: 400 16px/1.3 var(--font-display); }
.toc a:hover { color: var(--accent); }
@media (max-width: 960px) { .split { grid-template-columns: minmax(0, 1fr); gap: 24px; } }

/* ---------------------------------------------------------------- components, assets and tokens pages */
.doc.wide { max-width: 100%; }
.jump { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 36px 0 0; padding: 14px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.jump a { color: var(--text-2); text-decoration: none; font: 500 12px/1.3 var(--font-display); letter-spacing: .1em; text-transform: uppercase; }
.jump a span { color: var(--text-3); margin-left: 4px; }
.jump a:hover { color: var(--text); }
.grp { margin-top: 104px; }
.grp > h2 { margin: 0 0 28px; padding-top: 18px; border-top: 1px solid var(--text); font: 400 39px/1.1 var(--font-display); letter-spacing: -.015em; }
.card { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 20px 40px; align-items: start; margin: 0 0 72px;
        scroll-margin-top: calc(var(--bar) + 24px); }
.cm { position: sticky; top: calc(var(--bar) + 24px); }
.ch { display: grid; gap: 6px; justify-items: start; }
.ch h3 { margin: 0; font: 400 25px/1.2 var(--font-display); letter-spacing: -.005em; }
.ch .cn { font: 400 12px/1.4 var(--font-display); letter-spacing: .02em; color: var(--text-3); }
.ch .open { font: 500 12px/1.3 var(--font-display); letter-spacing: .1em; text-transform: uppercase; }
.cr { margin: 14px 0 0; color: var(--text-2); }
.cr p, .cr ul { max-width: 80ch; }
@media (max-width: 1000px) { .card { grid-template-columns: minmax(0, 1fr); } .cm { position: static; } }
.frame { position: relative; width: 100%; overflow: hidden; border: 1px solid var(--rule); background: var(--kohl-950); }
.frame iframe { display: block; width: 100%; height: 100%; border: 0; background: var(--kohl-950); }
.frame[data-w] { overflow: auto; }
.frame[data-w] iframe { height: 640px; }
.frame.fit { overflow: hidden; }
.frame.fit iframe { position: absolute; top: 0; left: 0; transform-origin: 0 0; }

.tiles { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(var(--tile, 240px), 1fr)); }
.ts-s { --tile: 170px; } .ts-m { --tile: 240px; } .ts-l { --tile: 300px; }
.tile { margin: 0; display: flex; flex-direction: column; border: 1px solid var(--rule); background: var(--surface); min-width: 0; }
/* Previews never crop: imagery is shown whole, letterboxed on kohl (an artist's released work appears as released). */
.tile img, .tile video { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: var(--kohl-950); }
.ts-s .tile img { padding: 22px; }
.svgbox { display: flex; align-items: center; justify-content: center; aspect-ratio: 16 / 10; background: var(--kohl-950); }
.svgbox.on-light { background: var(--kohl-50); }
.svgbox img { width: auto; height: 72px; aspect-ratio: auto; padding: 0; background: none !important; }
.tile figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 4px 10px; flex-wrap: wrap; padding: 10px 12px 12px;
                   font: 400 12px/1.4 var(--font-display); letter-spacing: .02em; color: var(--text-3); border-top: 1px solid var(--rule); }
.tile figcaption a { overflow-wrap: anywhere; }
.retired .tile img { filter: grayscale(1); }
.retired > h2::after { content: "Do not use"; margin-left: 16px; vertical-align: middle; font: 500 11px/1 var(--font-display); letter-spacing: .14em;
                       text-transform: uppercase; color: var(--text-3); border: 1px solid var(--text-3); padding: 5px 7px; }
.more { font-family: var(--font-display); font-size: 13px; }

.files { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); margin: 44px 0 8px; border-left: 1px solid var(--rule); border-top: 1px solid var(--rule); }
.files a { display: grid; gap: 4px; padding: 16px 18px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); color: var(--text); text-decoration: none; }
.files a:hover { background: var(--surface); color: var(--text); }
.files b { font: 500 15px/1.3 var(--font-display); }
.files span { font: 400 14px/1.45 var(--font-text); color: var(--text-2); }
.doc.wide > h2 { margin: 88px 0 16px; padding-top: 18px; border-top: 1px solid var(--text); font: 400 31px/1.1 var(--font-display); letter-spacing: -.015em; }
.doc.wide > p { max-width: 70ch; }
.doc.wide code { font-size: .84em; }
.tt code { font-size: 13px; }
.tt td:first-of-type, .tt tbody th, .tt td:nth-child(2), .tt td:nth-child(3) { white-space: nowrap; }
.sw { display: inline-block; width: 18px; height: 18px; margin-right: 8px; vertical-align: -4px; border: 1px solid var(--text-3); }
.ramp { display: flex; flex-wrap: wrap; gap: 0; margin: 20px 0; border-left: 1px solid var(--rule); }
.chip { width: 112px; padding: 0 0 10px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); border-top: 1px solid var(--rule); }
.chip code { display: block; padding: 0 8px; font-size: 11px; line-height: 1.6; color: var(--text-2); }
.sw.big { display: block; width: 100%; height: 56px; margin: 0 0 8px; border: 0; border-bottom: 1px solid var(--rule); }
.types .ts { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 12px 32px; align-items: center; padding: 22px 0; border-top: 1px solid var(--rule); }
.types .tm { display: grid; gap: 4px; font: 400 12px/1.45 var(--font-display); color: var(--text-3); }
.types .tm code { color: var(--text); font-size: 13px; }
.types .tx { margin: 0; min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 760px) { .types .ts { grid-template-columns: minmax(0, 1fr); } }
.spaces { display: grid; gap: 8px; margin: 20px 0 28px; }
.sp { display: grid; grid-template-columns: 120px minmax(0, 1fr) 56px; gap: 16px; align-items: center; }
.sp .len { display: block; height: 12px; background: var(--text-2); max-width: 100%; }
.sp code { font-size: 12px; color: var(--text-2); }
.frames { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 24px; align-items: end; margin: 20px 0; }
.fr { margin: 0; }
.fr div { width: 100%; max-height: 260px; background: var(--surface); border: 1px solid var(--text-3); }
.fr figcaption { margin-top: 10px; font: 400 12px/1.5 var(--font-display); color: var(--text-3); }
.fr figcaption code { color: var(--text); }

/* ---------------------------------------------------------------- footer */
.foot { margin-top: 144px; border-top: 1px solid var(--rule); }
.foot .in { max-width: calc(var(--max) + 2 * var(--gutter)); margin: 0 auto; padding: 28px var(--gutter) 44px; display: flex; flex-wrap: wrap;
            justify-content: space-between; gap: 8px 24px; font: 400 12px/1.5 var(--font-display); letter-spacing: .04em; color: var(--text-3); }

@media (prefers-reduced-motion: reduce) { a, .door { transition: none; } }