observer-protocol {
  display: block;
  width: 100%;
}

.observer-entry {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  align-items: center;
  min-height: clamp(435px, 37vw, 710px);
  padding: clamp(52px, 5.3vw, 102px) max(7vw, calc((100% - 1750px) / 2));
  border-top: 1px solid #dce6e11c;
  background: #080f10;
}

.observer-art,
.observer-entry::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.observer-art {
  z-index: -2;
  background: #0a1012 url("assets/observer-projection.webp") 68% 53% / cover no-repeat;
  filter: saturate(.35) brightness(.8);
}

.observer-entry::after {
  content: "";
  z-index: -1;
  background: linear-gradient(90deg, #080e10f7, #0a1012e6 29%, #10161873 46%, transparent 72%);
}

.observer-entry-copy { max-width: min(49%, 690px); }

.observer-edition {
  margin: 0 0 clamp(18px,1.65vw,32px);
  color: #f1eee6;
  font: 300 clamp(47px, 5.25vw, 100px) / 1 var(--exhibit-display, Georgia, serif);
  letter-spacing: .018em;
  text-transform: uppercase;
}

.observer-edition span { white-space: nowrap; }
.observer-subtitle {
  margin: 0 0 clamp(18px, 1.72vw, 32px);
  color: #c7cecb;
  font: 480 clamp(10px, .77vw, 14px) / 1.6 var(--exhibit-sans, var(--science-type));
  letter-spacing: .23em;
  text-transform: uppercase;
}

.observer-description {
  max-width: 39ch;
  margin: 0;
  color: #e0e1db;
  font: 420 clamp(15px, 1.13vw, 21px) / 1.58 var(--exhibit-sans, var(--science-type));
  text-wrap: pretty;
}

.observer-actions {
  display: grid;
  justify-items: start;
  gap: clamp(20px, 2vw, 34px);
  margin-top: clamp(22px, 2vw, 39px);
}

.observer-meta {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  row-gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.observer-meta li {
  display: flex;
  align-items: center;
  gap: clamp(7px, .85vw, 14px);
  min-height: 28px;
  padding: 0 clamp(10px, 1.3vw, 22px);
  color: #d8e4e4;
  font: 450 clamp(11px, .79vw, 14px) / 1.5 var(--exhibit-sans, var(--science-type));
  letter-spacing: .025em;
}

.observer-meta li:first-child { padding-left: 0; }
.observer-meta li + li { border-left: 1px solid #68898c73; }
.observer-meta li:last-child { max-width: 16em; padding-right: 0; }
.observer-meta i { position: relative; flex: none; color: #eaf6f6; }
.observer-clock { width: 17px; height: 17px; border: 1.4px solid; border-radius: 50%; }
.observer-clock::after {
  content: "";
  position: absolute;
  top: 17%; left: 46%;
  width: 33%; height: 39%;
  border-left: 1px solid; border-bottom: 1px solid;
  transform: skewY(22deg);
}
.observer-layers { width: 19px; height: 20px; }
.observer-layers::before, .observer-layers::after {
  content: ""; position: absolute;
  left: 2px; width: 14px; height: 12px;
  border: 1.3px solid;
  transform: rotate(30deg) skewX(-30deg) scaleY(.72);
}
.observer-layers::before { top: 0; }
.observer-layers::after { top: 5px; border-top: 0; border-left: 0; }
.observer-lock { width: 14px; height: 12px; margin-top: 6px; border: 1.4px solid; border-radius: 2px; }
.observer-lock::before {
  content: ""; position: absolute;
  left: 2px; top: -8px; width: 8px; height: 8px;
  border: 1.4px solid; border-bottom: 0; border-radius: 6px 6px 0 0;
}

.observer-launch {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25em;
  min-height: 46px;
  padding: 6px 0;
  border: 0;
  border-bottom: 1px solid #bdcec7a6;
  border-radius: 0;
  background: transparent;
  color: #f0eee7;
  font: 500 clamp(11px, .86vw, 15px) / 1.4 var(--exhibit-sans, var(--science-type));
  letter-spacing: .19em;
  text-transform: uppercase;
  transition: color .2s, border-color .2s;
}
.observer-launch:hover {
  color: #fff;
  border-color: #ecfff7;
}
.observer-entry button:focus-visible { outline: 1px solid #d5e7e1; outline-offset: 4px; }
.observer-launch span { font: 400 1.25em / 1 Arial, sans-serif; }
.observer-saved {
  display: block; margin-top: 13px; padding: 5px 0; border: 0;
  background: transparent; color: #b4e5e5; font: 550 13px/1.45 var(--science-type);
  text-decoration: underline; text-underline-offset: 4px;
}
.observer-saved[hidden], .observer-error:empty { display: none; }
.observer-error { margin: 9px 0 0; color: #ffcdc1; }

@media (min-width: 741px) and (max-width: 975px) {
  .observer-entry-copy { max-width: 52%; }
  .observer-meta li { padding-inline: 9px; font-size: 10px; }
}
@media (max-width: 740px) {
  .observer-entry {
    min-height: 0;
    padding: clamp(191px, 44vw, 312px) max(20px, 5.5vw) 36px;
  }
  .observer-entry-copy { max-width: 100%; }
  .observer-art {
    inset: 0 0 auto;
    height: clamp(245px, 55vw, 380px);
    background-position: 74% top;
    mask-image: linear-gradient(#000 0% 57%, #000c 72%, transparent);
  }
  .observer-entry::after { background: linear-gradient(90deg, #02101457, transparent 74%); }
  .observer-edition { font-size: clamp(42px, 10vw, 67px); }
  .observer-subtitle { font-size: 10px; letter-spacing: .18em; }
  .observer-meta li { font-size: 11px; padding-inline: 9px; gap: 7px; }
  .observer-meta li:last-child { max-width: 13em; }
}
@media (prefers-reduced-motion: reduce) {
  .observer-launch { transition: none; }
}