/* Exhibit: The Digital Museum. One stylesheet for every page.
   Brand: black and white only; the signal colour belongs to the object and nothing else (brand/brand.json).
   Fonts are served from this site (SIL Open Font License, see fonts/). No external requests. */

@font-face {
  font-family: "Instrument Serif";
  src: url("fonts/instrument-serif-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("fonts/instrument-serif-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("fonts/instrument-sans-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("fonts/instrument-sans-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  /* Palette of the app (ios/Exhibit/App/Theme.swift) */
  --deep: #050604;
  --black: #0a0b09;
  --paper: #ecede7;
  --prose: #d8d9d2;
  --mist: #b9bbb3;
  --silver: #8b8d85;
  --line: #2e302a;
  --graphite: #1f211c;
  --signal: #d5f801; /* the object only: never text, never areas */

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --gutter: 16px;
  --measure: 40rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--prose);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
a:hover {
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--paper);
  color: var(--black);
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--paper);
  color: var(--black);
  font-family: var(--mono);
  font-size: 0.8125rem;
  text-decoration: none;
}
.skip:focus {
  top: 12px;
}

.wrap {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* Labels: mono, uppercase, letter-spaced */
.label,
.site-nav a,
.wordmark {
  font-family: var(--mono);
  text-transform: uppercase;
}
.label {
  margin: 0 0 1rem;
  color: var(--silver);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  line-height: 1.5;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--graphite);
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  min-height: 60px;
  padding-block: 10px;
}
.wordmark {
  color: var(--paper);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-decoration: none;
  white-space: nowrap;
}
.wordmark:hover {
  text-decoration: none;
}
.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav li + li {
  margin-top: 0;
}
.site-nav a {
  display: inline-block;
  padding-block: 6px;
  color: var(--mist);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-decoration: none;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 0.35em;
}

/* Type */
h1,
h2,
h3 {
  color: var(--paper);
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}
h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.75rem, 11vw, 6rem);
  line-height: 0.95;
}
h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1;
}
h3 {
  margin: 2rem 0 0.5rem;
  font-size: 1.625rem;
  line-height: 1.1;
}
h4 {
  margin: 1.5rem 0 0.25rem;
  color: var(--paper);
  font-family: var(--sans);
  font-size: 1.0625rem;
  font-weight: 600;
}
p,
ul,
ol,
dl,
address {
  max-width: var(--measure);
  margin: 0 0 1rem;
}
address {
  font-style: normal;
}
ul,
ol {
  padding-left: 1.25rem;
}
li + li {
  margin-top: 0.4rem;
}
strong {
  color: var(--paper);
  font-weight: 600;
}
em {
  font-family: var(--serif);
  font-size: 1.12em;
  font-style: italic;
}
.lede {
  color: var(--mist);
  font-size: 1.1875rem;
  line-height: 1.55;
}
.muted {
  color: var(--silver);
}
.small {
  font-size: 0.9375rem;
}

/* Hero */
.hero .wrap {
  display: grid;
  gap: 8px;
  padding-block: 32px 56px;
}
.hero h1 {
  max-width: 11ch;
}
.showcase {
  width: min(78vw, 340px);
  margin: 0 auto;
}
.showcase svg {
  width: 100%;
  height: auto;
}
.soon {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 1rem;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
}
.soon strong {
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.soon span {
  color: var(--silver);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

/* Sections */
.section {
  border-top: 1px solid var(--graphite);
}
.section > .wrap {
  padding-block: 48px;
}
.steps {
  display: grid;
  gap: 28px;
  max-width: none;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}
.steps li + li {
  margin-top: 0;
}
.steps .num {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--silver);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
}
.steps h3 {
  margin-top: 0;
}
.steps p {
  margin: 0;
}
.facts {
  display: grid;
  gap: 0;
  max-width: var(--measure);
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}
.facts li {
  margin: 0;
  padding: 14px 0;
  border-top: 1px solid var(--graphite);
}
.facts li:last-child {
  border-bottom: 1px solid var(--graphite);
}

/* Documents: privacy, support, terms */
.doc .wrap {
  padding-block: 32px 64px;
}
.doc h1 {
  font-size: clamp(2.5rem, 10vw, 4.5rem);
}
.doc h2 {
  margin-top: 3rem;
  font-size: clamp(1.75rem, 6vw, 2.5rem);
}
.doc section[id],
.doc h2[id],
.doc h3[id] {
  scroll-margin-top: 16px;
}
.toc {
  margin: 1.5rem 0 2rem;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  max-width: var(--measure);
}
.toc .label {
  margin-bottom: 0.5rem;
}
.toc ul {
  margin: 0;
  padding-left: 1.1rem;
}
.lang-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}
.lang-switch li + li {
  margin-top: 0;
}
.lang-switch a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}
.lang-switch a:hover {
  border-color: var(--paper);
}
.lang + .lang {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--line);
}
.back-top {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.placeholder {
  font-family: var(--mono);
  font-size: 0.9375em;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--graphite);
  color: var(--silver);
  font-size: 0.9375rem;
}
.site-footer .wrap {
  display: grid;
  gap: 16px;
  padding-block: 32px 40px;
}
.site-footer p {
  margin: 0;
}
.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-footer li + li {
  margin-top: 0;
}
.site-footer a {
  color: var(--mist);
}
.site-footer a:hover {
  color: var(--paper);
}

/* Wider screens */
@media (min-width: 48rem) {
  :root {
    --gutter: 32px;
  }
  body {
    font-size: 1.125rem;
  }
  .hero .wrap {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
    padding-block: 72px 96px;
  }
  .hero .showcase {
    order: 2;
    width: 100%;
    max-width: 420px;
  }
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px 48px;
  }
  .section > .wrap {
    padding-block: 72px;
  }
  .site-footer .wrap {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 72rem) {
  .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }
  h1,
  h2,
  h3,
  h4,
  strong,
  a {
    color: #000;
  }
  .site-header,
  .site-footer,
  .showcase,
  .lang-switch,
  .skip {
    display: none;
  }
}

.credits { list-style: none; padding: 0; display: grid; gap: 18px; }
.credits li { border-top: 1px solid rgba(236, 237, 231, 0.13); padding-top: 14px; overflow-wrap: anywhere; }