/*
 * DemiMedia product page: cinematic, media-first, quiet.
 * The screen is the largest thing in every chapter; the words are set lightly around it.
 * Palette from the app: ground, canvas, ink, supporting ink, separators, light-blue focus.
 * Fonts are the studio's self-hosted files (OFL 1.1).
 */

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("/assets/fonts/bricolage-grotesque-latin-var.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-400-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ground: #101417;
  --canvas: #080b0d;
  --ink: #edf0f1;
  --support: #b3bdc2;
  --separator: #3e494f;
  --focus: #a9d3eb;

  --display: "Bricolage Grotesque", "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  --text: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --machine: "IBM Plex Mono", "Cascadia Mono", Consolas, monospace;

  --gutter: clamp(1.25rem, 3vw, 3rem);
  --wrap: 84rem;
  --measure: 34rem;
  --chapter: clamp(4rem, 9vw, 8rem);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scrollbar-color: var(--separator) var(--ground);
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.65;
}

::selection {
  background: var(--focus);
  color: var(--canvas);
}

h1,
h2,
h3,
p,
dl,
dd,
ul,
figure {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  text-decoration-color: var(--support);
}

a:hover {
  text-decoration-color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.wrap {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin-inline: auto;
}

.machine {
  font-family: var(--machine);
  font-size: 0.86em;
  font-variant-numeric: tabular-nums;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0.5rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--canvas);
  border-radius: 4px;
  transform: translateY(-200%);
}

.skip-link:focus-visible {
  transform: none;
}

/* Quiet top chrome, like the player's. */
.bar {
  border-bottom: 1px solid var(--separator);
}

.bar-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0 2rem;
  min-height: 4rem;
}

.name {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.name > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.name span {
  color: var(--support);
  font-size: 0.9375rem;
}

.bar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.5rem;
}

.bar nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--support);
  font-size: 0.9375rem;
  text-decoration: none;
}

.bar nav a:hover {
  color: var(--ink);
}

@media (max-width: 47.99rem) {
  /* Phones keep the section links; they wrap under the name. */
  .bar-row {
    padding-block: 0.25rem;
  }
  .bar nav {
    gap: 0 1.25rem;
  }
}

/* A screen is a real capture set on the viewing canvas. */
.screen {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
}

.screen picture {
  display: block;
  min-width: 0;
}

.screen img {
  width: 100%;
  background: var(--canvas);
  padding: clamp(0.5rem, 1.6vw, 1.25rem);
  border-radius: 6px;
}

.screen figcaption {
  max-width: var(--measure);
  color: var(--support);
  font-size: 0.875rem;
  line-height: 1.5;
  text-wrap: pretty;
}

/* Opening: the words small and light, the screen large. ------------ */

.open {
  padding-block: clamp(2.25rem, 5vw, 4rem) var(--chapter);
}

.open-copy {
  display: grid;
  gap: 1rem 3rem;
  align-items: end;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.open-side {
  display: grid;
  gap: 0.75rem;
  max-width: 40rem;
}

@media (min-width: 64rem) {
  .open-copy {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

/* The picture takes the screen: full-bleed on the viewing canvas, never cropped. */
.screen-hero {
  background: var(--canvas);
}

.screen-hero img {
  width: auto;
  max-width: 100%;
  max-height: min(78vh, 56.25vw);
  margin-inline: auto;
  padding: 0;
  border-radius: 0;
}

.screen-hero figcaption {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  max-width: none;
  margin: 0 auto;
  padding-block: 0.85rem;
}

h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.6rem, 6.4vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.lede {
  max-width: 40rem;
  color: var(--support);
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.55;
  text-wrap: pretty;
}

.state {
  color: var(--support);
  font-size: 0.9375rem;
}

.state a {
  color: var(--ink);
}

.chapter-start .start-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.start-grid p {
  max-width: 40rem;
  color: var(--support);
  text-wrap: pretty;
}

@media (min-width: 64rem) {
  .chapter-start .start-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    column-gap: clamp(2rem, 4vw, 4.5rem);
    align-items: end;
  }
}

.screen-open,
.screen-wide {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin-inline: auto;
}

/* Chapters: one screen, a few lines. ------------------------------- */

.chapter,
.details {
  padding-block: var(--chapter);
  border-top: 1px solid var(--separator);
}

h2 {
  font-family: var(--display);
  font-weight: 420;
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h3 {
  font-size: 1.0625rem;
  font-weight: 600;
}

.chapter-grid {
  display: grid;
  gap: 2rem;
}

.chapter-copy {
  display: grid;
  gap: 1rem;
  align-content: center;
  max-width: var(--measure);
}

.chapter-copy p {
  color: var(--support);
  text-wrap: pretty;
}

.chapter-copy .note {
  padding-top: 1rem;
  border-top: 1px solid var(--separator);
  font-size: 0.9375rem;
}

@media (min-width: 64rem) {
  .chapter-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    column-gap: clamp(2rem, 4vw, 4.5rem);
  }

  .chapter-reverse .chapter-copy {
    order: 2;
  }

  .chapter-reverse .chapter-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

/* Playback details: the widest screen on the page, then the four answers. */
.details-head {
  display: grid;
  gap: 1rem;
  max-width: 44rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.details-head p {
  color: var(--support);
  text-wrap: pretty;
}

.truth {
  display: grid;
  gap: 1.5rem;
  margin-top: clamp(2rem, 4vw, 3rem);
}

.truth div {
  display: grid;
  gap: 0.35rem;
  align-content: start;
  padding-top: 0.9rem;
  border-top: 1px solid var(--support);
}

.truth dt {
  font-weight: 600;
}

.truth dd {
  color: var(--support);
  text-wrap: pretty;
}

@media (min-width: 48rem) {
  .truth {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(1rem, 2.5vw, 2rem);
  }
}

/* Credits: the playback facts set like a film's closing credits, centred on the canvas. */
.credits {
  padding-block: var(--chapter);
  background: var(--canvas);
}

.credits-roll {
  display: grid;
  justify-items: center;
  gap: clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.credits h2 {
  max-width: 22ch;
}

.credit {
  display: grid;
  gap: 0.4rem;
  max-width: 38rem;
}

.credit h3 {
  margin-bottom: 0.4rem;
  color: var(--support);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.credit p {
  font-size: 1.0625rem;
  text-wrap: balance;
}

.credit-not p {
  color: var(--support);
}

.status {
  padding-block: var(--chapter);
  border-top: 1px solid var(--separator);
}

.status-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 64rem) {
  .status-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    column-gap: clamp(2rem, 4vw, 4.5rem);
  }
}

.facts {
  display: grid;
  border-top: 1px solid var(--separator);
}

.facts div {
  display: grid;
  gap: 0.2rem;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--separator);
}

.facts dt {
  font-weight: 600;
}

.facts dd {
  color: var(--support);
  text-wrap: pretty;
}

.facts dd a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
}

@media (min-width: 40rem) {
  .facts div {
    grid-template-columns: 9rem 1fr;
    column-gap: 1.5rem;
    align-items: baseline;
  }
}

/* Footer ------------------------------------------------------------ */

.foot {
  padding-block: 2rem;
  border-top: 1px solid var(--separator);
  color: var(--support);
  font-size: 0.9375rem;
}

.foot-row {
  display: grid;
  gap: 0.5rem;
}

.foot a {
  color: var(--ink);
}

@media (min-width: 56rem) {
  .foot-row {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* Motion: the opening screen fades up once, the way a picture comes in. */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  .screen-hero img {
    animation: fade-up 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }
}

@keyframes fade-up {
  from {
    opacity: 0.25;
    filter: brightness(0.6);
  }
  to {
    opacity: 1;
    filter: none;
  }
}