:root{
  --ink:#2f2419;
  --muted:#735f4a;
  --paper:#f4ead8;
  --cream:#fff8eb;
  --brown:#6f4729;
  --gold:#c39448;
  --green:#374f35;
  --red:#8f3f2d;
  --line:rgba(111,71,41,.28);
  --shadow:0 18px 55px rgba(54,33,15,.16);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;overflow:hidden}
body{
  font-family:Georgia,'Times New Roman',serif;
  color:var(--ink);
  background:linear-gradient(135deg,#f7efdf,#e7cfab);
  touch-action:pan-y;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;
  background-image:linear-gradient(rgba(111,71,41,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(111,71,41,.1) 1px,transparent 1px);
  background-size:36px 36px;
}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
.screen-frame{width:min(100vw,177.78vh);height:min(100vh,56.25vw);min-height:560px;margin:auto;padding:clamp(12px,1.8vw,28px);position:relative}
.top-nav{height:52px;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px;font-family:Arial,sans-serif;position:relative;z-index:20}
.nav-left{display:flex;align-items:center;gap:10px;min-width:max-content}
.brand{text-decoration:none;font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;font-weight:900;color:var(--brown);white-space:nowrap}
.home-button{border:1px solid var(--line);background:var(--brown);color:#fff8eb;border-radius:999px;padding:10px 15px;text-decoration:none;font-size:.76rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em;box-shadow:0 8px 18px rgba(54,33,15,.13)}
.nav-links{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.nav-links button{border:1px solid var(--line);background:rgba(255,248,235,.83);border-radius:999px;padding:9px 12px;text-decoration:none;font-size:.75rem;font-weight:900}
.nav-links button.active,.dots button.active{background:var(--brown);color:#fff8eb;border-color:var(--brown)}
.nav-links button:hover,.home-button:hover,.icon-card:hover,.arrow:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(54,33,15,.12)}
.viewer{position:relative;height:calc(100% - 92px);perspective:1600px}
.slide{position:absolute;inset:0 0 74px 0;border:2px solid rgba(111,71,41,.34);border-radius:30px;background:rgba(255,248,235,.88);box-shadow:var(--shadow);overflow:hidden;opacity:0;pointer-events:none;transform:translateX(8%) scale(.985);transition:opacity .55s ease,transform .75s cubic-bezier(.22,1,.36,1),filter .55s ease;filter:blur(4px)}
.slide::after{content:"";position:absolute;inset:14px;border:1px solid rgba(195,148,72,.44);border-radius:22px;pointer-events:none}
.slide.active{opacity:1;pointer-events:auto;transform:translateX(0) scale(1);filter:blur(0);z-index:5}
.slide.exit-left{transform:translateX(-9%) rotateY(7deg) scale(.985);opacity:0;filter:blur(3px)}
.slide.exit-right{transform:translateX(9%) rotateY(-7deg) scale(.985);opacity:0;filter:blur(3px)}
.home-slide{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:28px;padding:clamp(28px,4vw,56px)}
.eyebrow{margin:0 0 10px;font-family:Arial,sans-serif;font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--red);font-weight:900}
h1{margin:0 0 18px;font-size:clamp(3rem,6.4vw,6.8rem);line-height:.9;letter-spacing:-.055em}
.home-copy p,.caption-panel p{font-family:Arial,sans-serif;font-size:clamp(1rem,1.45vw,1.3rem);line-height:1.55;color:var(--muted);margin:0 0 20px}
.home-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.icon-card{min-height:150px;text-align:left;border:1px solid var(--line);border-radius:24px;background:rgba(255,248,235,.78);padding:22px;display:flex;flex-direction:column;gap:8px;transition:.18s ease}
.icon-card:last-child{grid-column:1/-1}
.icon{width:58px;height:58px;border-radius:18px;background:#ead7ba;display:grid;place-items:center;font-size:2rem;color:var(--brown)}
.icon-card strong{font-size:1.45rem}.icon-card small{font-family:Arial,sans-serif;color:var(--muted);font-weight:700}
.slide-page{display:grid;grid-template-columns:1.45fr .75fr;gap:0}
.picture-panel{position:relative;margin:clamp(24px,3vw,42px);margin-right:0;border-radius:26px;overflow:hidden;border:2px dashed rgba(111,71,41,.38);background:#ead7ba;aspect-ratio:16/9;align-self:center;box-shadow:inset 0 0 0 10px rgba(255,248,235,.34)}
.caption-panel{padding:clamp(28px,3.3vw,52px);display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}
.caption-panel h1{font-size:clamp(2.6rem,4.4vw,5.2rem)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 28px}
.chips span{font-family:Arial,sans-serif;font-size:.78rem;font-weight:900;color:var(--brown);background:rgba(111,71,41,.09);border-radius:999px;padding:10px 12px}
.placeholder-img{width:100%;height:100%;display:block;object-fit:cover;object-position:center}.home-visual{aspect-ratio:16/9;border:2px dashed rgba(111,71,41,.38);border-radius:26px;overflow:hidden;position:relative;background:#ead7ba;box-shadow:inset 0 0 0 10px rgba(255,248,235,.34)}
.slide-controls{position:absolute;left:clamp(18px,2.5vw,38px);right:clamp(18px,2.5vw,38px);bottom:4px;z-index:30;display:flex;align-items:center;justify-content:center;gap:14px;font-family:Arial,sans-serif;pointer-events:none}
.slide-controls button{pointer-events:auto}
.arrow{width:48px;height:48px;border-radius:50%;background:rgba(255,248,235,.9);border:1px solid var(--line);font-size:2rem;line-height:1;color:var(--brown);box-shadow:0 8px 22px rgba(54,33,15,.12)}
.dots{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,248,235,.72);border:1px solid var(--line);backdrop-filter:blur(8px)}
.dots button{width:12px;height:12px;border-radius:999px;background:rgba(111,71,41,.28);font-size:0;padding:0;transition:.25s ease}
.dots button.active{width:34px}
@media (max-aspect-ratio: 4/3){
  html,body{overflow:auto}.screen-frame{width:100%;height:auto;min-height:100vh}.viewer{height:calc(100vh - 96px);min-height:640px}.home-slide,.slide-page{grid-template-columns:1fr}.picture-panel{margin:24px 24px 0}.caption-panel{padding-top:24px}.home-cards{grid-template-columns:1fr}.icon-card:last-child{grid-column:auto}.top-nav{height:auto;align-items:flex-start;flex-direction:column}.nav-left{width:100%;justify-content:flex-start}.nav-links{justify-content:flex-start}.slide-controls{position:absolute;bottom:6px}
}
@media (max-width:700px){
  .screen-frame{padding:12px}.slide{border-radius:22px}.home-slide{padding:24px}.picture-panel{margin:18px 18px 0}.caption-panel{padding:22px}.nav-links button{font-size:.68rem;padding:8px 9px}.viewer{min-height:700px}.arrow{width:42px;height:42px}.brand{font-size:.68rem}
}
@media (prefers-reduced-motion: reduce){.slide,.nav-links button,.home-button,.icon-card,.arrow,.dots button{transition:none}}

/* Hide the Home button, section navigation, arrows, and dots on the home screen only. */
body.home-active .top-nav,
body.home-active .slide-controls{
  display:none;
}

body.home-active .viewer{
  height:100%;
}

body.home-active .slide{
  inset:0;
}

/* Expanded museum text panels */
.text-scroll{
  max-height:min(54vh,430px);
  overflow-y:auto;
  padding-right:10px;
  margin-bottom:10px;
  scrollbar-width:thin;
}
.text-scroll p{
  font-family:Arial,sans-serif;
  font-size:clamp(.9rem,1.05vw,1.08rem);
  line-height:1.48;
  color:var(--muted);
  margin:0 0 12px;
}
.caption-panel h1{
  margin-bottom:12px;
}
.caption-panel{
  justify-content:flex-start;
  padding-top:clamp(26px,3vw,44px);
  padding-bottom:clamp(26px,3vw,44px);
}
.slide-page .chips{
  margin-top:auto;
  margin-bottom:0;
}
@media (max-aspect-ratio: 4/3){
  .text-scroll{max-height:35vh;}
}

/* 16:9 fitted reading layout: keeps all expanded text inside the visible slide frame */
.screen-frame{
  min-height:0;
  padding:clamp(10px,1.2vw,20px);
}
.top-nav{
  height:44px;
  margin-bottom:8px;
}
.viewer{
  height:calc(100% - 68px);
}
.slide{
  inset:0 0 58px 0;
}
.slide-page{
  grid-template-columns:1.06fr .94fr;
  align-items:stretch;
}
.picture-panel{
  margin:clamp(18px,2.2vw,30px);
  margin-right:0;
  max-height:calc(100% - clamp(36px,4.4vw,60px));
}
.caption-panel{
  height:100%;
  min-height:0;
  overflow:hidden;
  justify-content:flex-start;
  padding:clamp(20px,2.1vw,34px) clamp(22px,2.4vw,38px);
}
.caption-panel h1{
  font-size:clamp(2rem,3.1vw,3.75rem);
  line-height:.92;
  margin-bottom:8px;
}
.text-scroll{
  flex:1 1 auto;
  min-height:0;
  max-height:none;
  overflow-y:auto;
  padding-right:8px;
  margin-bottom:8px;
}
.text-scroll p{
  font-size:clamp(.78rem,.86vw,.96rem);
  line-height:1.34;
  margin-bottom:8px;
}
.chips{
  gap:7px;
}
.chips span{
  font-size:.68rem;
  padding:7px 9px;
}
.slide-controls{
  bottom:0;
}
.arrow{
  width:42px;
  height:42px;
  font-size:1.75rem;
}
.dots{
  padding:6px 10px;
}
@media (min-aspect-ratio: 16/9){
  .text-scroll p{font-size:clamp(.76rem,.78vw,.92rem);line-height:1.31;}
  .caption-panel{padding-top:clamp(18px,1.8vw,30px);padding-bottom:clamp(18px,1.8vw,30px);}
}

/* Readability update: larger scroll text for 16:9 touchscreen viewing */
.text-scroll p{
  font-size:clamp(1.05rem,1.22vw,1.28rem);
  line-height:1.48;
  margin-bottom:13px;
}
.caption-panel h1{
  font-size:clamp(1.85rem,2.85vw,3.35rem);
}
.caption-panel{
  padding:clamp(18px,1.9vw,30px) clamp(22px,2.3vw,36px);
}
.chips span{
  font-size:.72rem;
  padding:7px 9px;
}
@media (min-aspect-ratio: 16/9){
  .text-scroll p{
    font-size:clamp(1rem,1.02vw,1.2rem);
    line-height:1.45;
  }
}
@media (max-width:900px){
  .text-scroll p{
    font-size:1rem;
    line-height:1.45;
  }
}

/* Larger centered museum text update */
.caption-panel{
  text-align:center;
  align-items:center;
}
.caption-panel h1{
  width:100%;
  text-align:center;
  font-size:clamp(2.35rem,3.45vw,4.25rem);
  line-height:.95;
  margin-bottom:14px;
}
.text-scroll{
  width:100%;
  max-width:92%;
  margin-left:auto;
  margin-right:auto;
  padding:10px 18px 10px 18px;
  text-align:center;
}
.text-scroll p{
  text-align:center;
  font-size:clamp(1.28rem,1.55vw,1.7rem);
  line-height:1.55;
  margin:0 0 18px;
}
.slide-page .chips{
  justify-content:center;
  width:100%;
  margin-top:14px;
}
.chips span{
  font-size:clamp(.8rem,.85vw,.95rem);
  padding:9px 12px;
}
@media (min-aspect-ratio: 16/9){
  .text-scroll p{
    font-size:clamp(1.2rem,1.25vw,1.48rem);
    line-height:1.52;
  }
  .text-scroll{max-width:94%;}
}
@media (max-width:900px){
  .text-scroll p{
    font-size:1.15rem;
    line-height:1.5;
  }
}

/* Final fitting update: centered text block, left-aligned reading, no visible scrolling */
.slide-page{
  grid-template-columns:.9fr 1.1fr;
}
.caption-panel{
  align-items:center;
  text-align:left;
  justify-content:center;
  gap:10px;
}
.caption-panel h1{
  text-align:center;
  width:100%;
  margin-bottom:8px;
}
.text-scroll{
  width:100%;
  max-width:90%;
  margin-left:auto;
  margin-right:auto;
  padding:4px 8px;
  overflow:hidden;
  text-align:left;
  flex:0 1 auto;
}
.text-scroll p{
  text-align:left;
  font-size:clamp(1.16rem,1.32vw,1.5rem);
  line-height:1.42;
  margin:0 0 12px;
}
.slide-page .chips{
  justify-content:center;
  width:100%;
  margin-top:6px;
}
.picture-panel{
  margin-left:clamp(16px,1.8vw,26px);
  margin-top:clamp(16px,1.8vw,26px);
  margin-bottom:clamp(16px,1.8vw,26px);
}
@media (min-aspect-ratio: 16/9){
  .text-scroll p{
    font-size:clamp(1.08rem,1.12vw,1.36rem);
    line-height:1.38;
    margin-bottom:10px;
  }
  .caption-panel h1{
    font-size:clamp(2.1rem,3.05vw,3.8rem);
  }
}

/* Vertical-center correction: keep the text group in the middle of the frame while paragraphs remain left aligned */
.caption-panel{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:left;
}
.text-scroll{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:stretch;
  overflow:hidden;
  text-align:left;
  max-width:90%;
  margin-left:auto;
  margin-right:auto;
}
.text-scroll p{
  text-align:left;
}
.caption-panel h1{
  text-align:center;
}

/* Title alignment update: center only the title horizontally inside the text frame */
.caption-panel h1{
  align-self:center;
  width:90%;
  max-width:90%;
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.text-scroll,
.text-scroll p{
  text-align:left;
}

/* Corrected title alignment: center title across the full caption frame, not the narrower text block */
.caption-panel h1{
  align-self:stretch;
  width:100%;
  max-width:none;
  margin-left:0;
  margin-right:0;
  text-align:center;
}


/* Screenshot-matched layout: title centered across the whole white slide frame */
.slide-page{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  grid-template-rows:auto 1fr;
  grid-template-areas:
    "title title"
    "image caption";
  align-items:center;
  gap:0;
  padding:0;
}
.slide-title-row{
  grid-area:title;
  width:100%;
  text-align:center;
  align-self:end;
  padding:clamp(28px,3.2vw,52px) clamp(34px,4vw,70px) clamp(16px,1.7vw,28px);
  position:relative;
  z-index:3;
}
.slide-title-row h1{
  margin:0 auto;
  width:100%;
  text-align:center;
  font-size:clamp(4rem,5.6vw,7rem);
  line-height:.95;
  letter-spacing:-.055em;
}
.slide-page .picture-panel{
  grid-area:image;
  align-self:center;
  justify-self:stretch;
  margin:clamp(16px,2vw,30px);
  margin-top:0;
  margin-right:0;
  max-height:calc(100% - clamp(24px,3vw,46px));
}
.slide-page .caption-panel{
  grid-area:caption;
  align-self:stretch;
  justify-content:center;
  padding-top:clamp(12px,1.4vw,24px);
}
.slide-page .caption-panel > h1{
  display:none;
}
@media (min-aspect-ratio: 16/9){
  .slide-title-row h1{font-size:clamp(3.8rem,4.85vw,6.2rem);}
  .slide-title-row{padding-top:clamp(24px,2.6vw,44px);padding-bottom:clamp(12px,1.3vw,22px);}
}
@media (max-aspect-ratio: 4/3){
  .slide-page{
    grid-template-columns:1fr;
    grid-template-rows:auto auto 1fr;
    grid-template-areas:"title" "image" "caption";
  }
  .slide-title-row h1{font-size:clamp(2.8rem,7vw,4.6rem);}
  .slide-page .picture-panel{margin:18px;}
}

/* Enhanced museum-kiosk polish: smooth page peel, swipe-friendly controls, progress, return button, Ken Burns images, and auto-hide navigation */
.screen-frame{
  perspective:1400px;
}
.viewer{
  perspective:1400px;
}
.slide{
  transform-origin:center right;
  backface-visibility:hidden;
  will-change:transform,opacity,filter;
}
.slide.active{
  animation:slideSettle .72s cubic-bezier(.2,.8,.2,1) both;
}
.slide.page-peel-in{
  animation:pagePeelIn .96s cubic-bezier(.18,.9,.22,1) both;
}
.slide.page-peel-out{
  animation:pagePeelOut .96s cubic-bezier(.55,.08,.35,1) both;
}
@keyframes pagePeelIn{
  0%{opacity:0;transform:translateX(4.5%) rotateY(-10deg) scale(.985);filter:blur(2px);}
  55%{opacity:1;filter:blur(0);}
  100%{opacity:1;transform:translateX(0) rotateY(0deg) scale(1);filter:blur(0);}
}
@keyframes pagePeelOut{
  0%{opacity:1;transform:translateX(0) rotateY(0deg) scale(1);filter:blur(0);}
  100%{opacity:0;transform:translateX(-3.5%) rotateY(8deg) scale(.985);filter:blur(2px);}
}
@keyframes slideSettle{
  from{filter:brightness(.98);}
  to{filter:brightness(1);}
}

/* Slow Ken Burns motion on active slide images */
.slide .placeholder-img{
  transform:scale(1.01);
  transition:transform 900ms ease;
}
.slide.active .picture-panel .placeholder-img,
.slide.active .home-visual .placeholder-img{
  animation:kenBurnsSlow 18s ease-in-out both;
}
@keyframes kenBurnsSlow{
  0%{transform:scale(1.01) translate3d(0,0,0);}
  100%{transform:scale(1.075) translate3d(-1.4%,-1.2%,0);}
}

/* Controls hide gently after inactivity on slide pages */
.top-nav,
.slide-controls{
  transition:opacity .45s ease, transform .45s ease;
}
body.controls-hidden:not(.home-active) .top-nav{
  opacity:.18;
  transform:translateY(-8px);
}
body.controls-hidden:not(.home-active) .slide-controls{
  opacity:.12;
  transform:translateY(16px);
}
body.controls-hidden:not(.home-active) .top-nav:hover,
body.controls-hidden:not(.home-active) .slide-controls:hover{
  opacity:1;
  transform:none;
}

/* Reading progress indicator */
.reading-progress{
  pointer-events:auto;
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,248,235,.76);
  border:1px solid var(--line);
  box-shadow:0 8px 22px rgba(54,33,15,.09);
  backdrop-filter:blur(8px);
  font-family:Arial,sans-serif;
  color:var(--brown);
  font-weight:800;
  font-size:.78rem;
}
.reading-progress.hidden{display:none;}
.progress-track{
  width:112px;
  height:9px;
  border-radius:999px;
  overflow:hidden;
  background:rgba(111,71,41,.16);
}
.progress-fill{
  display:block;
  height:100%;
  width:20%;
  border-radius:inherit;
  background:var(--brown);
  transition:width .55s ease;
}

/* Return button inside slide sections */
.return-home-inline{
  pointer-events:auto;
  align-self:center;
  margin-top:4px;
  padding:10px 18px;
  border-radius:999px;
  background:rgba(111,71,41,.95);
  color:#fff8eb;
  border:1px solid rgba(111,71,41,.2);
  font-family:Arial,sans-serif;
  font-size:.8rem;
  font-weight:900;
  letter-spacing:.02em;
  box-shadow:0 10px 20px rgba(54,33,15,.15);
}
.return-home-inline:active,
.nav-links button:active,
.home-button:active,
.arrow:active,
.icon-card:active{
  transform:scale(.96);
}

/* Keep text in the middle of the frame, left aligned, and avoid scroll bars */
.slide-page .caption-panel{
  justify-content:center;
  align-items:center;
  gap:10px;
}
.slide-page .text-scroll{
  justify-content:center;
  overflow:hidden;
  max-width:90%;
  text-align:left;
}
.slide-page .text-scroll p{
  text-align:left;
}
.slide-page .chips{
  margin-top:4px;
}

/* Make category tabs feel like touch controls */
.nav-links button,
.home-button,
.brand,
.icon-card,
.arrow,
.dots button,
.return-home-inline{
  cursor:pointer;
  touch-action:manipulation;
}
.nav-links button,
.home-button{
  min-height:44px;
}
.icon-card{
  min-height:120px;
}

@media (prefers-reduced-motion: reduce){
  .slide.active,
  .slide.page-peel-in,
  .slide.page-peel-out,
  .slide.active .picture-panel .placeholder-img,
  .slide.active .home-visual .placeholder-img{
    animation:none;
  }
  .top-nav,
  .slide-controls,
  .progress-fill,
  .slide .placeholder-img{
    transition:none;
  }
}