:root {
  color-scheme: dark;
  --bg: #09090b;
  --text: #f4f1ea;
  --muted: rgba(244, 241, 234, 0.66);
  --line: rgba(244, 241, 234, 0.16);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100svh;
  background:
    radial-gradient(ellipse 60% 36% at 50% 8%, rgba(58, 68, 78, 0.18), transparent 62%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

button,
a {
  font: inherit;
  color: inherit;
}

.back {
  position: fixed;
  z-index: 5;
  top: 18px;
  left: 22px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
}

.back:hover,
.back:focus-visible {
  color: var(--text);
}

.app {
  width: min(980px, calc(100% - 48px));
  margin: 0 auto;
  padding: 88px 0 56px;
}

.intro {
  text-align: center;
}

.kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 560;
  letter-spacing: -0.03em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.grid[hidden],
.detail[hidden] {
  display: none;
}

.card {
  display: grid;
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.card img,
.detail img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
  background: #14120f;
}

.card span,
.caption {
  color: var(--muted);
  font-size: 0.92rem;
}

.detail {
  margin-top: 28px;
}

.detail img {
  display: block;
}

.close {
  margin: 0 0 12px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.close:hover,
.close:focus-visible {
  color: var(--text);
}

.caption {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 560;
  color: var(--text);
}

.card:focus-visible,
.close:focus-visible,
.back:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

.hint {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: center;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 180ms;
}

::view-transition-group(piece) {
  animation-duration: 460ms;
}

::view-transition-image-pair(piece) {
  border-radius: 14px;
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}

@media (max-width: 800px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .back {
    top: 14px;
    left: 14px;
  }

  .app {
    width: calc(100% - 28px);
    padding-top: 72px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}