:root {
  color: #26251f;
  background: #c8c3b7;
  font-family: Georgia, "Times New Roman", serif;
  font-synthesis: none;
  --page-width: 471;
  --page-height: 640;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 18%, rgb(255 255 255 / 38%), transparent 34rem),
    linear-gradient(145deg, #d4d0c7, #b5afa3);
}

button {
  color: inherit;
  font: inherit;
}

.room {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 100dvh;
  padding: 22px clamp(16px, 3vw, 44px) 18px;
}

.book-header,
.controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  width: min(100%, 1180px);
  margin: 0 auto;
}

.book-header span {
  color: #5c574d;
  font: 600 10px/1.2 Arial, sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.book-header span:last-child {
  text-align: right;
}

.book-header h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 400;
}

.stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 18px 0;
  perspective: 1800px;
}

.stage::after {
  position: absolute;
  bottom: 8%;
  left: 50%;
  z-index: -1;
  width: min(82vw, 1000px);
  height: 10%;
  border-radius: 50%;
  background: rgb(31 28 22 / 30%);
  content: "";
  filter: blur(28px);
  transform: translateX(-50%);
}

.book-rig {
  display: grid;
  place-items: center;
  width: min(100%, 960px);
  height: min(64dvh, 640px);
}

.book {
  position: relative;
  isolation: isolate;
  filter: drop-shadow(0 24px 26px rgb(31 28 22 / 22%));
}

.book-page {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, transparent 96%, rgb(30 27 20 / 5%)),
    #f2eee4;
  color: #29271f;
}


.book-page.--left::before,
.book-page.--right::before {
  position: absolute;
  inset-block: 0;
  z-index: 3;
  width: clamp(14px, 4%, 28px);
  content: "";
  pointer-events: none;
}

.book-page.--left::before {
  right: 0;
  background: linear-gradient(to left, rgb(27 24 20 / 30%), rgb(27 24 20 / 8%) 42%, transparent);
}

.book-page.--right::before {
  left: 0;
  background: linear-gradient(to right, rgb(27 24 20 / 30%), rgb(27 24 20 / 8%) 42%, transparent);
}

.book-page::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
  content: "";
  mix-blend-mode: multiply;
}

.cover,
.back-cover {
  background: #243f39;
  color: #f0e9d8;
}

.cover {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px;
}

.cover-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgb(240 233 216 / 65%);
  border-radius: 50%;
  font: 10px Arial, sans-serif;
  letter-spacing: 0.14em;
}

.kicker,
.folio,
.caption,
.page-number {
  font-family: Arial, sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cover h2 {
  margin: 12px 0 0;
  font-size: 62px;
  font-weight: 400;
  line-height: 0.9;
}

.title-page,
.closing-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px;
}

.title-page h2,
.closing-page > p:first-child {
  font-size: 36px;
  font-weight: 400;
  line-height: 1.12;
}

.photo-layout img,
.photo-placeholder {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-placeholder--one {
  background: linear-gradient(152deg, #71908b 0 46%, #d7b16b 47% 53%, #314d49 54%);
}

.photo-placeholder--two {
  background: radial-gradient(circle at 72% 32%, #f1d4a0 0 12%, transparent 13%), linear-gradient(145deg, #7f6b56, #283b38);
}

.photo-placeholder--three {
  background: linear-gradient(25deg, #314944, #b5a07c);
}

.photo-placeholder--four {
  background: linear-gradient(160deg, #d8c9ad 0 45%, #6f493f 46%);
}

.photo-layout--full .photo-placeholder,
.photo-layout--full img {
  position: absolute;
  inset: 0;
}

.photo-layout--framed {
  padding: 48px 48px 82px;
}

.photo-layout--framed .caption {
  margin: 18px 0 0;
  line-height: 1.5;
  text-transform: none;
}

.photo-layout--split {
  display: grid;
  grid-template-rows: 1.2fr 0.8fr;
  gap: 14px;
  padding: 36px;
}

.inside-cover {
  background: #ded8ca;
}

.page-number {
  position: absolute;
  right: 26px;
  bottom: 22px;
  z-index: 2;
}

.page-number--light {
  color: white;
}

.controls {
  grid-template-columns: 48px 1fr 48px;
  max-width: 440px;
}

.controls button {
  width: 48px;
  height: 42px;
  border: 1px solid rgb(38 37 31 / 25%);
  border-radius: 50%;
  background: rgb(242 238 228 / 48%);
  cursor: pointer;
}

.controls button:disabled {
  cursor: default;
  opacity: 0.28;
}

.status {
  display: grid;
  gap: 4px;
  text-align: center;
}

.status span {
  font: 600 11px Arial, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status small {
  color: #655f55;
  font: 10px Arial, sans-serif;
}

@media (max-width: 700px) {
  .room {
    padding-inline: 10px;
  }

  .book-header {
    grid-template-columns: 1fr auto;
  }

  .book-header span:first-child {
    display: none;
  }

  .book-rig {
    height: min(64dvh, 640px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}

@media print {
  body {
    overflow: visible;
    background: white;
  }

  .book-header,
  .controls {
    display: none;
  }
}