/* Archive — plain white, black type, photographs carry the color. */

@font-face {
  font-family: "Helvetica Neue World";
  src: url("fonts/HelveticaNeueWorld-75Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #000000;
  --meta: #555555;
  --font: "Helvetica Neue World", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
  background: #ffffff;
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

.wordmark {
  position: fixed;
  top: var(--pad);
  left: 0;
  right: 0;
  text-align: center;
  z-index: 2;
  font-size: clamp(1.125rem, 1rem + 1vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  user-select: none;
}

#globe {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
  opacity: 0;
  transition: opacity 900ms var(--ease-out);
}

#globe.is-ready {
  opacity: 1;
}

#globe.is-dragging {
  cursor: grabbing;
}

#globe.is-hovering {
  cursor: pointer;
}

/* ---- Enlarged viewer ---- */

#viewer {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 300ms var(--ease-out);
}

#viewer[hidden] {
  display: none;
}

#viewer.is-closing {
  opacity: 0;
}

.viewer-figure {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  max-width: 92vw;
  transform: scale(1);
  transition: transform 300ms var(--ease-out);
}

#viewer.is-opening .viewer-figure {
  transform: scale(0.98);
}

.viewer-img {
  max-width: 92vw;
  max-height: 78vh;
  display: block;
}

.viewer-caption {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: clamp(0.875rem, 0.8rem + 0.4vw, 1rem);
}

.viewer-title {
  font-weight: 700;
  color: var(--ink);
}

.viewer-meta {
  font-weight: 400;
  color: var(--meta);
}

.viewer-meta:empty {
  display: none;
}

#viewer button {
  appearance: none;
  border: 0;
  background: none;
  font-family: var(--font);
  color: var(--ink);
  cursor: pointer;
  line-height: 1;
  padding: 0.5rem;
}

.viewer-close {
  position: absolute;
  top: calc(var(--pad) - 0.5rem);
  right: calc(var(--pad) - 0.5rem);
  font-size: 2rem;
  font-weight: 400;
}

.viewer-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.25rem;
  font-weight: 400;
}

.viewer-prev { left: calc(var(--pad) - 0.5rem); }
.viewer-next { right: calc(var(--pad) - 0.5rem); }

#viewer button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* On small screens the side chevrons crowd the image: move them to the bottom corners. */
@media (max-width: 600px) {
  .viewer-img {
    max-height: 70vh;
  }
  .viewer-nav {
    top: auto;
    bottom: calc(var(--pad) - 0.5rem);
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  #globe,
  #viewer,
  .viewer-figure {
    transition: none;
  }
}