:root {
  --color-bg: #EEEEEE;
  --color-text: #000000;
  --color-text-muted: #B6B6B6;
  --color-surface: #EEEEEE;
}

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

body {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 400;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.2;
}

.spacer-top {
  height: 18vh;
}

.spacer-bottom {
  height: 8vh;
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  padding: 6vh 4vw;
  font-size: clamp(20px, 2.2vw, 36px);
  display: grid;
}

.header-landing,
.header-nav {
  grid-row: 1;
  grid-column: 1;
  transition: opacity 200ms ease;
  font-variation-settings: 'opsz' 16, 'wght' 350;
}

.header-landing {
  opacity: 1;
}

.header-nav {
  opacity: 0;
  pointer-events: none;
}

header[data-scrolled] .header-landing {
  opacity: 0;
  pointer-events: none;
}

header[data-scrolled] .header-nav {
  opacity: 1;
  pointer-events: auto;
}

.muted {
  color: var(--color-text-muted);
}

.nav-item {
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 150ms ease;
}

.nav-item:hover,
.nav-item.active {
  color: var(--color-text);
}

.header-nav:hover .nav-item.active {
  color: var(--color-text-muted);
}

.header-nav:hover .nav-item:hover {
  color: var(--color-text);
}

main {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 1.5vw;
  row-gap: 3vw;
  padding: 0 4vw 4vw 4vw;
}

@media (min-width: 2001px) {
  main { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  main { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
  main { grid-template-columns: 1fr; }
}

.card {
  display: block;
  text-decoration: none;
}

.card img {
  border-radius: 24px;
}

.card-title {
  display: block;
  padding-top: 0.7em;
  font-size: clamp(14px, 1.1vw, 18px);
  font-variation-settings: 'opsz' 12, 'wght' 350;
  color: var(--color-text);
  opacity: 0;
  transition: opacity 200ms ease;
}

.card:hover .card-title {
  opacity: 1;
}

.card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  overflow: hidden;
}

@supports (corner-shape: squircle) {
  .card img {
    corner-shape: squircle;
  }
}

.asterisk {
  position: fixed;
  bottom: 20px;
  right: 24px;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(20px, 2.2vw, 36px);
  font-variation-settings: 'opsz' 16, 'wght' 350;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 150ms ease;
}

.asterisk:hover {
  color: var(--color-text);
}

body:has(.asterisk:hover) .nav-item.active {
  color: var(--color-text-muted);
}