:root {
  color-scheme: light dark;
  --background: #f7f4f2;
  --surface: #ffffff;
  --header: #f6cac9;
  --text: #282326;
  --focus: #7c3444;
  --shadow: rgb(67 47 53 / 18%);
  --gutter: clamp(1rem, 4vw, 2rem);
}

* {
  box-sizing: border-box;
}

body {
  min-width: 20rem;
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  padding: 0.625rem 0.875rem;
  border-radius: 0.375rem;
  background: var(--surface);
  color: var(--text);
  transform: translateY(-160%);
  transition: transform 120ms ease;
}

.skip-link:focus {
  outline: 0.1875rem solid var(--focus);
  outline-offset: 0.125rem;
  transform: translateY(0);
}

.site-header {
  background: var(--header);
}

.site-nav,
.site-main {
  width: min(100%, 71.25rem);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.site-nav {
  padding-block: 0.625rem;
}

.brand {
  display: inline-flex;
  align-items: end;
  gap: 0.5rem;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 600;
  text-decoration: none;
}

.brand:focus-visible {
  border-radius: 0.25rem;
  outline: 0.1875rem solid var(--focus);
  outline-offset: 0.25rem;
}

.brand img {
  width: 1.875rem;
  height: 1.875rem;
}

.site-main {
  padding-block: 1rem 3rem;
}

.photo-grid,
.photo-stack {
  display: grid;
  align-items: center;
}

.photo-grid {
  gap: 1.5rem;
}

.photo-stack {
  gap: 1.25rem;
}

.photo-frame {
  margin: 0;
}

.photo-frame img {
  border-radius: 0.5rem;
  box-shadow: 0 0.5rem 1.5rem var(--shadow);
}

.photo-frame-polaroid {
  width: min(18.75rem, 82vw);
  transform: rotate(8deg);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #191618;
    --surface: #292428;
    --header: #542f38;
    --text: #f7eef1;
    --focus: #ffb6c5;
    --shadow: rgb(0 0 0 / 48%);
  }
}

@media (min-width: 48rem) {
  .photo-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .skip-link {
    transition: none;
  }
}