.express-proof {
  position: absolute;
  right: clamp(5rem, 8vw, 8rem);
  bottom: clamp(4.75rem, 7vh, 6.5rem);
  width: min(29vw, 28rem);
  max-height: min(42vh, 20rem);
  overflow: auto;
  padding: 1.1rem 1.2rem 1.15rem 1.3rem;
  border-left: 2px solid var(--brass);
  background: color-mix(in srgb, var(--porcelain) 88%, transparent);
  box-shadow: 0 .8rem 2rem color-mix(in srgb, var(--charcoal) 8%, transparent);
  backdrop-filter: blur(16px);
  pointer-events: auto;
  scrollbar-color: var(--cashmere) transparent;
  scrollbar-width: thin;
}
.express-proof__label { margin: 0 0 .45rem; color: var(--brass); font: 700 .58rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.express-proof p:last-child { margin: 0; font-size: .8rem; line-height: 1.5; }
.express-proof strong { color: var(--charcoal); }

.hotspot-layer { position: absolute; inset: 0; pointer-events: none; }
.hotspot {
  --x: 68%;
  --y: 52%;
  position: absolute;
  left: var(--x);
  top: var(--y);
  display: flex;
  align-items: center;
  gap: .5rem;
  border: 0;
  padding: .3rem;
  background: transparent;
  color: var(--charcoal);
  font: 700 .58rem var(--mono);
  text-align: left;
  text-transform: uppercase;
  pointer-events: auto;
  cursor: pointer;
  translate: -50% -50%;
}
.hotspot__marker { display: grid; width: 1.9rem; aspect-ratio: 1; place-items: center; border: 1px solid var(--brass); border-radius: 50%; background: color-mix(in srgb, var(--porcelain) 84%, transparent); box-shadow: 0 0 0 0 color-mix(in srgb, var(--brass) 28%, transparent); transition: box-shadow 180ms ease, transform 180ms ease; backdrop-filter: blur(7px); }
.hotspot__label { max-width: 10rem; padding: .38rem .48rem; background: color-mix(in srgb, var(--porcelain) 90%, transparent); opacity: 0; transform: translateX(-.25rem); transition: opacity 160ms ease, transform 160ms ease; }
.hotspot:hover .hotspot__label,
.hotspot:focus-visible .hotspot__label { opacity: 1; transform: none; }
.hotspot:hover .hotspot__marker { transform: scale(1.08); box-shadow: 0 0 0 .35rem color-mix(in srgb, var(--brass) 18%, transparent); }
.hotspot.is-visited .hotspot__marker { background: var(--brass); color: var(--white); }

.discovery-panel { position: fixed; z-index: 700; inset: 0; pointer-events: none; }
.discovery-panel__backdrop { position: absolute; inset: 0; background: color-mix(in srgb, var(--charcoal) 32%, transparent); pointer-events: auto; }
.discovery-panel__sheet { position: absolute; right: clamp(1rem, 4vw, 4rem); top: 50%; width: min(31rem, calc(100vw - 2rem)); max-height: min(72vh, 42rem); overflow: auto; padding: clamp(1.4rem, 3vw, 2.4rem); background: var(--porcelain); border-top: .25rem solid var(--brass); box-shadow: var(--shadow-soft); translate: 0 -50%; pointer-events: auto; }
.discovery-panel__meta { display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--olive); font: 700 .62rem var(--mono); letter-spacing: .11em; }
.panel-close { border: 1px solid var(--line); padding: .5rem .7rem; background: transparent; font: 600 .62rem var(--mono); cursor: pointer; }
.discovery-panel h3 { margin: 2rem 0 1rem; font: 400 clamp(2rem, 4vw, 3.5rem)/1 var(--serif); letter-spacing: -.035em; }
.discovery-panel p { margin: 0; font-size: 1rem; line-height: 1.7; }

.discovery-panel[hidden] { display: none; }