:root {
  --book-gold: #d2a35e;
  --book-gold-light: #f0d39b;
  --book-ivory: #fff7e8;
  --book-muted: #d8c3a5;
  --book-black: #050403;
}

html { background: var(--book-black); }

.menu-book-page {
  min-width: 0;
  overflow-x: hidden;
  background: var(--book-black);
  color: var(--book-ivory);
}

.menu-book-page main { overflow: clip; }

.menu-book-hero {
  position: relative;
  min-height: 100svh;
  overflow: clip;
  isolation: isolate;
  padding: clamp(128px, 12vw, 176px) 24px clamp(80px, 8vw, 120px);
  background: radial-gradient(circle at 50% 49%, rgba(167, 111, 46, 0.16), transparent 38%), linear-gradient(145deg, #040302, #100a07 54%, #050403);
}

.menu-book-hero::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  background: linear-gradient(rgba(210, 163, 94, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(210, 163, 94, 0.025) 1px, transparent 1px);
  background-size: 68px 68px;
  content: "";
  mask-image: radial-gradient(circle at center, black 14%, transparent 76%);
}

.menu-book-atmosphere {
  position: absolute;
  z-index: -1;
  inset: 8% -20% auto;
  height: 70%;
  background: radial-gradient(ellipse, rgba(5, 90, 84, 0.12), transparent 58%);
  pointer-events: none;
}

.menu-book-intro {
  width: min(780px, 100%);
  margin: 0 auto clamp(32px, 5vw, 62px);
  text-align: center;
}

.menu-book-intro .eyebrow {
  justify-content: center;
  color: var(--book-gold);
}

.menu-book-intro h1 {
  margin: 14px 0 18px;
  color: var(--book-ivory);
  font-family: var(--font-display);
  font-size: clamp(3.6rem, 7vw, 7.6rem);
  font-weight: 600;
  line-height: 0.9;
  text-wrap: balance;
}

.menu-book-intro > p:last-child {
  max-width: 620px;
  margin-inline: auto;
  color: var(--book-muted);
  line-height: 1.7;
}

.menu-book-stage {
  width: min(1340px, 100%);
  margin: 0 auto;
}

.menu-book {
  position: relative;
  outline: none;
}

.menu-book:focus-visible .menu-book__surface {
  outline: 2px solid var(--book-gold-light);
  outline-offset: 10px;
}

.menu-book__surface {
  position: relative;
  width: min(1100px, calc(100vw - 64px));
  aspect-ratio: 950.88 / 698.16;
  overflow: hidden;
  margin: 0 auto;
  isolation: isolate;
  transform: translate3d(0, 0, 0);
  contain: layout paint;
  box-shadow: 0 34px 54px rgba(0, 0, 0, 0.44);
  will-change: transform;
  user-select: none;
  -webkit-user-select: none;
}

.menu-book__slider,
.menu-book__slide {
  position: absolute;
  inset: 0;
}

.menu-book__slider {
  overflow: hidden;
  transform: translate3d(0, 0, 0);
  contain: layout paint;
}

.menu-book__slide {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.menu-book__slide--previous { transform: translate3d(-100%, 0, 0); }
.menu-book__slide--current { z-index: 2; transform: translate3d(0, 0, 0); }
.menu-book__slide--next { transform: translate3d(100%, 0, 0); }

.menu-book__slider.is-moving-next .menu-book__slide,
.menu-book__slider.is-moving-previous .menu-book__slide {
  transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.menu-book__slider.is-moving-next .menu-book__slide--current { transform: translate3d(-100%, 0, 0); }
.menu-book__slider.is-moving-next .menu-book__slide--next { z-index: 3; transform: translate3d(0, 0, 0); }
.menu-book__slider.is-moving-previous .menu-book__slide--current { transform: translate3d(100%, 0, 0); }
.menu-book__slider.is-moving-previous .menu-book__slide--previous { z-index: 3; transform: translate3d(0, 0, 0); }

.menu-book__slider.is-resetting .menu-book__slide { transition: none !important; }
.menu-book__slide.is-empty { visibility: hidden; }

.menu-book__page {
  position: relative;
  box-sizing: border-box;
  min-width: 0;
  min-height: 0;
  padding: clamp(10px, 1.5vw, 18px);
  overflow: hidden;
  margin: 0;
  background: #050706;
}

.menu-book__page.is-empty {
  visibility: hidden;
  background: transparent;
}

.menu-book__page--left {
  border-radius: 12px 2px 2px 12px;
  box-shadow: inset -18px 0 26px rgba(0, 0, 0, 0.3);
}

.menu-book__page--right {
  border-radius: 2px 12px 12px 2px;
  box-shadow: inset 18px 0 26px rgba(0, 0, 0, 0.3);
}

.menu-book__page img,
.menu-book__slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  position: static;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  max-height: 100%;
  margin: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
  user-select: none;
  -webkit-user-drag: none;
}

.menu-book__gutter {
  position: absolute;
  z-index: 4;
  inset: 0 auto 0 50%;
  width: 30px;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.54), rgba(255, 224, 164, 0.06), rgba(0, 0, 0, 0.54), transparent);
  content: "";
  pointer-events: none;
  transform: translateX(-50%);
}

.menu-book__hint {
  margin: clamp(20px, 3vw, 34px) 0 0;
  color: var(--book-muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
  transition: opacity 260ms ease, transform 260ms ease;
}

.menu-book__hint.is-hidden {
  opacity: 0;
  transform: translateY(5px);
}

.menu-book__hint-touch { display: none; }

.menu-book-controls {
  display: grid;
  grid-template-columns: minmax(96px, auto) minmax(90px, auto) minmax(96px, auto);
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 42px);
}

.menu-book-controls button,
.menu-book-actions button {
  min-height: 46px;
  border: 1px solid rgba(210, 163, 94, 0.46);
  border-radius: 999px;
  background: rgba(255, 247, 232, 0.05);
  color: var(--book-ivory);
  cursor: pointer;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: background-color 220ms ease, border-color 220ms ease, color 220ms ease, transform 220ms ease;
}

.menu-book-controls button { padding: 0 20px; }

.menu-book-controls button:hover,
.menu-book-controls button:focus-visible,
.menu-book-actions button:hover,
.menu-book-actions button:focus-visible {
  border-color: var(--book-gold-light);
  background: var(--book-gold);
  color: #130c08;
  transform: translateY(-2px);
}

.menu-book-controls button:focus-visible,
.menu-book-actions button:focus-visible {
  outline: 2px solid var(--book-gold-light);
  outline-offset: 3px;
}

.menu-book-controls button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.menu-book-controls output {
  color: var(--book-gold-light);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: center;
}

.menu-book-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
}

.menu-book-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
}

.menu-book-contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 12px;
  max-width: 860px;
  margin: clamp(44px, 6vw, 74px) auto 0;
  color: var(--book-muted);
  font-size: 0.84rem;
  line-height: 1.6;
  text-align: center;
}

.menu-book-contact a { color: var(--book-gold-light); }

.menu-book-stage:fullscreen,
.menu-book-stage:-webkit-full-screen {
  display: grid;
  align-content: center;
  width: 100%;
  max-width: none;
  padding: 28px;
  background: #050403;
}

.menu-book-stage:fullscreen .menu-book__surface,
.menu-book-stage:-webkit-full-screen .menu-book__surface {
  width: min(1240px, calc(100vw - 72px), calc((100vh - 190px) * 1.362));
}

@media (max-width: 768px) {
  .menu-book-hero { padding: 112px 14px 72px; }
  .menu-book-intro { margin-bottom: 30px; }
  .menu-book-intro h1 { font-size: clamp(3.25rem, 16vw, 5rem); }
  .menu-book-intro > p:last-child { font-size: 0.93rem; }

  .menu-book__surface {
    width: min(100%, 430px);
    aspect-ratio: 475.44 / 698.16;
    touch-action: pan-y pinch-zoom;
    overscroll-behavior-x: contain;
  }

  .menu-book__slide { grid-template-columns: minmax(0, 1fr); }

  .menu-book__page--single {
    border: 1px solid rgba(210, 163, 94, 0.3);
    border-radius: 10px;
    box-shadow: 0 30px 56px rgba(0, 0, 0, 0.54), inset 0 0 0 1px rgba(255, 247, 232, 0.05);
  }

  .menu-book__hint-desktop { display: none; }
  .menu-book__hint-touch { display: inline; }

  .menu-book-controls {
    grid-template-columns: 48px minmax(78px, auto) 48px;
    gap: 12px;
  }

  .menu-book-controls button {
    position: relative;
    width: 48px;
    padding: 0;
    font-size: 1rem;
  }

  .menu-book-controls button span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .menu-book-actions button {
    flex: 1 1 150px;
    max-width: 210px;
  }

  .menu-book-contact {
    display: block;
    padding-inline: 10px;
  }

  .menu-book-contact span {
    display: block;
    height: 3px;
    overflow: hidden;
  }

  .menu-book-stage:fullscreen,
  .menu-book-stage:-webkit-full-screen { padding: 16px; }

  .menu-book-stage:fullscreen .menu-book__surface,
  .menu-book-stage:-webkit-full-screen .menu-book__surface {
    width: min(calc(100vw - 24px), calc((100vh - 180px) * 0.681));
  }
}

@media (max-width: 360px) {
  .menu-book-hero { padding-inline: 10px; }
  .menu-book-actions { gap: 9px; }
  .menu-book-actions button {
    min-height: 44px;
    padding-inline: 14px;
    font-size: 0.68rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu-book__slide,
  .menu-book__hint,
  .menu-book-controls button,
  .menu-book-actions button { transition: none; }
}