:root {
  --red: #d2352d;
  --ink: #151515;
  --muted: #958c80;
  --paper: #f7f2e7;
  --line: #d8d0c3;
  --viewer-book-page: #fff;
  --viewer-book-accent: transparent;
  --viewer-book-text: #191512;
  --viewer-book-muted: #6d6257;
  --viewer-photo-filter: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 1024px;
  min-height: 100%;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, Arial, sans-serif;
}

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

.viewer-topbar {
  display: grid;
  grid-template-columns: 190px 150px 1fr;
  align-items: center;
  height: 58px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.viewer-topbar a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: #9d9589;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}

.viewer-topbar strong {
  color: #000;
  font-size: 27px;
  font-weight: 800;
}

.viewer-topbar span {
  color: #9b9286;
  font-size: 18px;
  font-weight: 600;
}

.viewer-page {
  display: grid;
  min-height: calc(100vh - 58px);
  padding: 48px 40px 58px;
  place-items: center;
  align-content: center;
}

.viewer-case-root,
.viewer-case-mode {
  min-width: 320px;
  background: #f8f4ec;
}

.viewer-case-mode .viewer-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
}

.viewer-case-mode .viewer-page {
  display: block;
  min-height: calc(100vh - 58px);
  padding: 0;
}

.case-viewer {
  display: grid;
  grid-template-columns: minmax(0, 460px) minmax(520px, 1fr);
  grid-template-areas:
    "copy photo"
    "gallery photo";
  gap: 34px 64px;
  width: min(1360px, calc(100% - 96px));
  margin: 0 auto;
  padding: 76px 0 88px;
  align-items: end;
}

.case-viewer-copy {
  grid-area: copy;
  align-self: center;
  min-width: 0;
}

.case-viewer-label {
  margin: 0 0 22px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.case-viewer h1 {
  display: grid;
  gap: 0.02em;
  margin: 0;
  max-width: 100%;
  overflow: hidden;
  color: #151515;
  font-size: 62px;
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: 0;
}

.case-viewer h1 span {
  display: block;
  max-width: 100%;
  overflow-wrap: normal;
  word-break: normal;
}

.case-viewer-copy > p:not(.case-viewer-label) {
  width: min(520px, 100%);
  margin: 28px 0 0;
  color: #615951;
  font-size: 18px;
  line-height: 1.55;
}

.case-viewer-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.case-viewer-facts span {
  display: inline-grid;
  min-height: 32px;
  padding: 0 12px;
  place-items: center;
  border: 1px solid rgba(21, 21, 21, 0.12);
  background: rgba(255, 255, 255, 0.62);
  color: #151515;
  font-size: 12px;
  font-weight: 700;
}

.case-viewer-photo {
  grid-area: photo;
  position: relative;
  margin: 0;
  min-height: 620px;
  overflow: hidden;
  background: #151515;
  box-shadow: 0 34px 92px rgba(50, 40, 28, 0.2);
}

.case-viewer-photo img {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
  filter: saturate(0.98) contrast(1.02);
}

.case-viewer-photo figcaption {
  position: absolute;
  z-index: 2;
  right: 28px;
  bottom: 28px;
  left: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.44);
  color: #fff;
  font-family: Georgia, serif;
  font-size: 18px;
  line-height: 1.45;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.42);
}

.case-viewer-photo::after {
  position: absolute;
  z-index: 1;
  inset: 42% 0 0;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.56));
  pointer-events: none;
}

.case-viewer-gallery {
  grid-area: gallery;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.case-viewer-gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.viewer-meta {
  display: grid;
  grid-template-columns: 1fr auto;
  width: 860px;
  margin-bottom: 14px;
  color: #a0988f;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.viewer-spread {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 20px 1fr;
  width: 860px;
  height: 538px;
  background: var(--viewer-book-page);
  box-shadow: 0 34px 76px rgba(62, 51, 37, 0.18);
}

.viewer-book-page {
  position: relative;
  overflow: hidden;
  background: var(--viewer-book-page);
}

.viewer-book-page::before {
  position: absolute;
  z-index: 0;
  inset: 20px;
  border: 1px solid var(--viewer-book-accent);
  content: "";
  pointer-events: none;
}

.viewer-book-page-left {
  box-shadow: inset -8px 0 16px rgba(20, 20, 20, 0.06);
}

.viewer-book-page-right {
  box-shadow: inset 8px 0 16px rgba(20, 20, 20, 0.05);
}

.viewer-gutter {
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.08));
}

.viewer-live-photo {
  position: absolute;
  z-index: 1;
  left: 14px;
  top: 14px;
  display: grid;
  width: 392px;
  height: 510px;
  place-items: center;
  overflow: hidden;
  background: transparent;
}

.viewer-live-photo video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  background: transparent;
  filter: grayscale(1) contrast(1.08);
}

.viewer-caption,
.viewer-story {
  position: absolute;
  z-index: 1;
  margin: 0;
  color: var(--viewer-book-muted);
  font-family: Georgia, serif;
  font-size: 13px;
  line-height: 1.35;
}

.viewer-caption {
  left: 42px;
  bottom: 24px;
  width: 140px;
  text-align: center;
}

.viewer-photo-wide {
  position: absolute;
  z-index: 1;
  left: 41px;
  top: 34px;
  width: 355px;
  height: 185px;
  object-fit: cover;
  filter: var(--viewer-photo-filter);
}

.viewer-photo-small {
  position: absolute;
  z-index: 1;
  object-fit: cover;
  filter: var(--viewer-photo-filter);
}

.viewer-photo-video {
  max-width: none;
  background: transparent;
}

.viewer-photo-small-left {
  left: 41px;
  top: 382px;
  width: 150px;
  height: 110px;
}

.viewer-photo-small-right {
  right: 36px;
  top: 252px;
  width: 142px;
  height: 242px;
}

.viewer-book-page h1 {
  position: absolute;
  z-index: 1;
  left: 75px;
  top: 252px;
  width: 134px;
  margin: 0;
  color: var(--viewer-book-text);
  font-family: Georgia, serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.12;
  text-align: left;
}

.viewer-story {
  left: 218px;
  top: 252px;
  width: 166px;
}

.viewer-caption.is-empty,
.viewer-story.is-empty {
  display: none;
}

.viewer-qr {
  position: absolute;
  z-index: 1;
  left: 184px;
  bottom: 44px;
  display: none;
  width: 64px;
  height: 64px;
}

.viewer-qr.is-visible {
  display: block;
}

.viewer-qr svg {
  width: 100%;
  height: 100%;
  background: transparent;
}

.viewer-book-page h1[data-size="small"],
.viewer-caption[data-size="small"],
.viewer-story[data-size="small"] {
  font-size: 13px;
}

.viewer-book-page h1[data-size="medium"] {
  font-size: 18px;
}

.viewer-caption[data-size="medium"],
.viewer-story[data-size="medium"] {
  font-size: 13px;
}

.viewer-book-page h1[data-size="large"] {
  font-size: 23px;
}

.viewer-caption[data-size="large"],
.viewer-story[data-size="large"] {
  font-size: 16px;
}

@media (max-width: 1180px) {
  html,
  body {
    min-width: 900px;
  }

  .viewer-spread,
  .viewer-meta {
    transform: scale(0.9);
    transform-origin: center top;
  }

  .viewer-page {
    padding-top: 34px;
  }

  .viewer-case-mode .viewer-page {
    padding-top: 0;
  }

  .case-viewer {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "photo"
      "gallery";
    width: min(760px, calc(100% - 34px));
    padding: 42px 0 56px;
  }

  .case-viewer h1 {
    font-size: 54px;
  }

  .case-viewer-photo,
  .case-viewer-photo img {
    min-height: 520px;
  }
}

@media (max-width: 620px) {
  .viewer-case-mode .viewer-topbar {
    grid-template-columns: 1fr;
    gap: 4px;
    height: auto;
    padding: 12px 18px;
  }

  .case-viewer {
    width: calc(100% - 28px);
    gap: 24px;
    padding: 34px 0 44px;
  }

  .case-viewer h1 {
    font-size: 40px;
    line-height: 1.02;
  }

  .case-viewer-copy > p:not(.case-viewer-label) {
    font-size: 15px;
  }

  .case-viewer-facts {
    margin-top: 24px;
  }

  .case-viewer-photo,
  .case-viewer-photo img {
    min-height: 430px;
  }

  .case-viewer-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}