@font-face {
  font-family: "IM Fell English";
  src: url("../fonts/im-fell-english.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: "IM Fell English";
  src: url("../fonts/im-fell-english-italic.woff2") format("woff2");
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "IM Fell DW Pica";
  src: url("../fonts/im-fell-dw-pica.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: "IM Fell DW Pica";
  src: url("../fonts/im-fell-dw-pica-italic.woff2") format("woff2");
  font-style: italic;
  font-display: swap;
}

:root {
  --board: #cdd1c4;
  --paper: #fbfaf5;
  --ink: #1d2939;
  --ink-soft: #4b5664;
  --corner: #26282b;
  --corner-sheen: #45484d;

  /* One family in two cuts: English for display sizes, DW Pica (cut for text) for reading sizes. */
  --fell: "IM Fell English", Georgia, serif;
  --pica: "IM Fell DW Pica", Georgia, serif;

  /* Mount board, with a faint paper grain. */
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    var(--board);
  color: var(--ink);
  font: 1.1875rem/1.6 var(--pica);
  font-kerning: normal;
  font-variant-numeric: oldstyle-nums proportional-nums;
  font-variant-ligatures: common-ligatures;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--ink); color: var(--paper); }

h1, .caption { text-wrap: balance; }

p { text-wrap: pretty; }

* { box-sizing: border-box; }

html { min-height: 100%; }

body { margin: 0; }

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

a { color: var(--ink); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }

a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

/* A mounted print: white border, black photo corners at each corner. */
.print {
  position: relative;
  display: block;
  padding: clamp(6px, 1.2vw, 12px);
  background: var(--paper);
  box-shadow: 0 1px 1px rgb(29 41 57 / 0.18), 0 3px 8px rgb(29 41 57 / 0.12);
}

.print::after {
  --c: 26px;
  content: "";
  position: absolute;
  inset: -5px;
  z-index: 2;
  pointer-events: none;
  --fill: var(--corner-sheen) 0, var(--corner) 30%, var(--corner) 50%, transparent calc(50% + 0.5px);
  background:
    linear-gradient(to bottom right, var(--fill)) top left / var(--c) var(--c),
    linear-gradient(to bottom left, var(--fill)) top right / var(--c) var(--c),
    linear-gradient(to top right, var(--fill)) bottom left / var(--c) var(--c),
    linear-gradient(to top left, var(--fill)) bottom right / var(--c) var(--c);
  background-repeat: no-repeat;
  filter: drop-shadow(0 1px 1px rgb(0 0 0 / 0.3));
}

/* Hairline where the photograph meets its paper border. */
.print img,
.print .compare { box-shadow: 0 0 0 1px rgb(29 41 57 / 0.1); }

.print-large::after { --c: clamp(24px, 4vw, 40px); inset: -7px; }

/* Archive notice, on every page */

.notice {
  margin: 0;
  padding: 0.6rem 1.25rem;
  background: rgb(29 41 57 / 0.08);
  border-bottom: 1px solid rgb(29 41 57 / 0.12);
  color: var(--ink-soft);
  font-size: 1rem;
  text-align: center;
}

/* Inline emphasis stays in the text cut, so it sits evenly in the line. */
.notice strong {
  font-style: italic;
  font-weight: 400;
  color: var(--ink);
}

/* Home: title page */

.masthead {
  max-width: 34rem;
  margin: 0 auto;
  padding: clamp(3rem, 9vw, 6rem) 1.25rem clamp(2.5rem, 6vw, 4rem);
  text-align: center;
}

.masthead h1 {
  margin: 0;
  font: 400 clamp(3.5rem, 12vw, 6rem)/0.95 var(--fell);
  letter-spacing: -0.01em;
}

.masthead h1 span {
  display: block;
  margin-top: 0.35em;
  font-style: italic;
  font-size: 0.4em;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}

.masthead p {
  margin: 1.75rem auto 0;
  max-width: 30rem;
  color: var(--ink-soft);
}

/* Home: the album */

.album {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}

.album-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr));
  gap: 3.5rem 4rem;
  align-items: start;
}

.album-item {
  display: block;
  text-decoration: none;
}

.album-item:focus-visible { outline-offset: 12px; }

.album-item .print { transition: box-shadow 0.2s; }

.album-item:hover .print {
  box-shadow: 0 2px 2px rgb(29 41 57 / 0.2), 0 8px 20px rgb(29 41 57 / 0.18);
}

.album-item:hover .caption { text-decoration: underline; }

.caption {
  display: block;
  margin-top: 1rem;
  font: italic 1.3125rem/1.3 var(--fell);
  text-align: center;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}

/* Viewer */

.site-bar {
  padding: 1.5rem 1.25rem 0;
  text-align: center;
}

.site-bar a {
  font: 1.3125rem/1 var(--fell);
  text-decoration: none;
}

.site-bar a span { font-style: italic; color: var(--ink-soft); }

.site-bar a:hover { text-decoration: underline; }

.plate {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.plate h1 {
  margin: clamp(1.75rem, 5vw, 3rem) 0 clamp(1.5rem, 4vw, 2.25rem);
  font: 400 clamp(2.25rem, 6vw, 3.5rem)/1.05 var(--fell);
  text-align: center;
}

.compare {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
  user-select: none;
  touch-action: pan-y;
}

.compare img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.compare-now { clip-path: inset(0 0 0 var(--pos)); }

.compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2px;
  margin-left: -1px;
  background: var(--paper);
  box-shadow: 0 0 4px rgb(0 0 0 / 0.4);
  pointer-events: none;
}

.compare-handle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2.75rem;
  height: 2.75rem;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 44 44'%3E%3Cpath d='M17 16l-6 6 6 6M27 16l6 6-6 6' fill='none' stroke='%231d2939' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat,
    var(--paper);
  box-shadow:
    inset 0 0 0 3px var(--paper),
    inset 0 0 0 4px rgb(29 41 57 / 0.25),
    0 1px 4px rgb(0 0 0 / 0.35);
}

.compare-label {
  position: absolute;
  bottom: 0.75rem;
  padding: 0.1rem 0.6rem 0.2rem;
  background: rgb(251 250 245 / 0.88);
  color: var(--ink);
  font: italic 1.0625rem/1.3 var(--fell);
  pointer-events: none;
  transition: opacity 0.15s;
}

.compare-label-then { left: 0.75rem; opacity: clamp(0, (var(--p) - 14) / 6, 1); }
.compare-label-now { right: 0.75rem; opacity: clamp(0, (86 - var(--p)) / 6, 1); }

/* The range input covers the whole photo so you can drag anywhere. */
.compare-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  appearance: none;
}

/* A hairline thumb keeps the input value lined up with the pointer position. */
.compare-range::-webkit-slider-thumb { appearance: none; width: 1px; height: 100%; }
.compare-range::-moz-range-thumb { width: 1px; height: 100%; border: 0; }

.compare:has(.compare-range:focus-visible) .compare-handle::after {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.record {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 2.5rem;
  margin: 2.25rem 0 0;
}

.record div { display: flex; align-items: baseline; gap: 0.5rem; }
.record dt { font: italic 1.1875rem/1 var(--fell); color: var(--ink-soft); }
.record dd { margin: 0; }
.record em { font-style: normal; color: var(--ink-soft); }

.pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.pager a { text-decoration: none; }
.pager a:hover { text-decoration: underline; }

.pager-prev,
.pager-next {
  font: 1.25rem/1.25 var(--fell);
}

.pager small {
  display: block;
  margin-bottom: 0.2rem;
  font: italic 1rem/1 var(--pica);
  color: var(--ink-soft);
}

.pager-next { text-align: right; }

/* Sits on the same baseline as the photo titles either side. */
.pager-all {
  padding-top: 1.1375rem;
  font: italic 1.25rem/1.25 var(--fell);
}

@media (max-width: 40rem) {
  .pager { grid-template-columns: 1fr 1fr; }
  .pager-all { grid-column: 1 / -1; grid-row: 2; justify-self: center; }
}

/* Footer */

.site-footer {
  padding: 0 1.5rem 3rem;
  color: var(--ink-soft);
  font-size: 1rem;
  text-align: center;
}

.site-footer p { max-width: 32rem; margin: 0 auto; }

@media (prefers-reduced-motion: reduce) {
  .album-item .print,
  .compare-label { transition: none; }
}

/* Not-found page */

.not-found { text-align: center; padding-bottom: 6rem; }
.not-found p { color: var(--ink-soft); }