/* ------------------------------------------------------------------
   Tokens
   Paper is a very light beige with a hint of yellow. Ink is a scale of
   greys; nothing is ever pure black. The darkest grey is reserved for
   the text of a piece so the writing carries the contrast, not the
   chrome around it.
   ------------------------------------------------------------------ */
:root {
  --paper: #f7f3e8;
  --paper-deep: #efe9d8;
  --rule: #ddd6c3;

  --ink-text: #2a2a2a;
  --ink-title: #4d4d4d;
  --ink-menu: #8a8a8a;
  --ink-meta: #a4a29c;
  --ink-hover: #1f1f1f;

  --font-sans: "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Shippori Mincho", Georgia, "Times New Roman", serif;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 6vw, 5rem);
  --margin-column: clamp(3.5rem, 12vw, 9rem);
  --ma: clamp(4rem, 14vh, 9rem);
}

@media (max-width: 48rem) {
  :root {
    --margin-column: 0rem;
  }
}

/* ------------------------------------------------------------------
   Base
   ------------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink-text);
  font-family: var(--font-serif);
  font-size: 112.5%;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 240ms ease;
}

a:hover,
a:focus-visible {
  color: var(--ink-hover);
}

a:focus-visible {
  outline: 1px solid var(--ink-menu);
  outline-offset: 0.2em;
}

/* ------------------------------------------------------------------
   Masthead and menu. Small, grey, out of the way.
   ------------------------------------------------------------------ */
.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.6rem var(--gutter) 0;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-menu);
}

.masthead__name {
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
}

.menu {
  display: flex;
  gap: 1.75rem;
}

.menu__item {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 600;
  padding-bottom: 0.15em;
  border-bottom: 1px solid transparent;
}

.menu__item[aria-current="page"] {
  color: var(--ink-title);
  border-bottom-color: var(--rule);
}

/* ------------------------------------------------------------------
   Page container
   ------------------------------------------------------------------ */
.page {
  flex: 1;
  padding: var(--ma) var(--gutter) 6rem;
}

/* ------------------------------------------------------------------
   Home and section listings
   ------------------------------------------------------------------ */
.intro {
  margin: 0 0 var(--ma) var(--margin-column);
  max-width: var(--measure);
}

.intro__line {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--ink-title);
}

.collection {
  margin: 0 0 4.5rem var(--margin-column);
  max-width: var(--measure);
}

.collection--page {
  margin-top: 0;
}

.collection__name {
  margin: 0 0 1.6rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-menu);
}

.collection__count {
  margin-left: 0.6em;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  color: var(--ink-meta);
}

.pieces {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.pieces__item {
  border-bottom: 1px solid var(--rule);
}

.pieces__link {
  display: grid;
  grid-template-columns: 2.4rem 1fr auto;
  align-items: baseline;
  gap: 0 1rem;
  padding: 1.05rem 0;
  color: var(--ink-title);
}

.pieces__link:hover .pieces__title,
.pieces__link:focus-visible .pieces__title {
  color: var(--ink-hover);
}

.pieces__number,
.pieces__meta {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--ink-meta);
}

.pieces__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.005em;
  transition: color 240ms ease;
}

@media (max-width: 40rem) {
  .pieces__link {
    grid-template-columns: 2.2rem 1fr;
  }
  .pieces__meta {
    grid-column: 2;
  }
}

/* ------------------------------------------------------------------
   A piece
   ------------------------------------------------------------------ */
.writing {
  position: relative;
  margin-left: var(--margin-column);
  max-width: var(--measure);
}

/* Section name set vertically in the left margin, the way a running
   title sits on the spine of a Japanese book. Hidden on narrow screens. */
.writing__margin {
  display: none;
  position: absolute;
  top: 0.35rem;
  left: calc(-1 * var(--margin-column));
  writing-mode: vertical-rl;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-meta);
}

.writing__margin-number {
  margin-top: 1.2em;
  color: var(--ink-menu);
}

@media (min-width: 48rem) {
  .writing__margin {
    display: inline-block;
  }
  .writing__kicker {
    visibility: hidden;
  }
}

.writing__head {
  margin-bottom: 3.2rem;
}

.writing__kicker,
.writing__meta {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  color: var(--ink-meta);
}

.writing__kicker {
  margin-bottom: 1.2rem;
}

.writing__title {
  margin: 0 0 0.8rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2.1rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink-title);
}

.writing__meta {
  text-transform: none;
  letter-spacing: 0.06em;
}

/* The prompt the author set for the piece. Present only when the
   metadata carries instructions or constraints. Kept quiet: small sans
   labels, light serif values, no rules. */
.brief {
  margin: -1.4rem 0 3.2rem;
}

.brief__list {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.55rem 1.4rem;
}

.brief__item {
  display: contents;
}

.brief__label {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-meta);
  line-height: 1.6rem;
}

.brief__value {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6rem;
  color: var(--ink-menu);
  max-width: 28rem;
}

@media (max-width: 40rem) {
  .brief__list,
  .brief__item {
    display: block;
  }
  .brief__item + .brief__item {
    margin-top: 0.9rem;
  }
}

.writing__body {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--ink-text);
  hyphens: auto;
  text-wrap: pretty;
}

/* Book setting with a little air: half a line between paragraphs and an
   indent on every one but the first. */
.writing__body p {
  margin: 0 0 0.9em;
  text-indent: 1.6em;
}

.writing__body > p:first-child,
.writing__body h2 + p,
.writing__body h3 + p,
.writing__body hr + p,
.writing__body blockquote p {
  text-indent: 0;
}

.writing__body h2,
.writing__body h3 {
  margin: 2.8em 0 1em;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-menu);
}

.writing__body em {
  font-style: italic;
}

.writing__body strong {
  font-weight: 600;
  color: var(--ink-hover);
}

.writing__body blockquote {
  margin: 1.8em 0 1.8em 1.6em;
  padding: 0;
  color: var(--ink-title);
}

.writing__body hr {
  border: 0;
  margin: 2.4em 0;
  text-align: center;
  color: var(--ink-meta);
}

.writing__body hr::after {
  content: "*";
  font-family: var(--font-sans);
  letter-spacing: 1em;
}

.writing__body a {
  border-bottom: 1px solid var(--rule);
}

.writing__body a:hover {
  border-bottom-color: var(--ink-menu);
}

.writing__body ul,
.writing__body ol {
  padding-left: 1.6em;
  margin: 1em 0;
}

.writing__body img {
  max-width: 100%;
  height: auto;
}

.writing__body .footnote {
  margin-top: 3rem;
  font-size: 0.9rem;
  color: var(--ink-title);
}

.writing__body .footnote hr {
  display: none;
}

.writing__body .footnote p {
  text-indent: 0;
}

.writing__end {
  margin: 3.5rem 0 0;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--ink-meta);
}

/* ------------------------------------------------------------------
   Previous / next
   ------------------------------------------------------------------ */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 5rem 0 0 var(--margin-column);
  max-width: var(--measure);
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-sans);
}

.pager__link {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--ink-title);
}

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

.pager__label {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-meta);
}

.pager__title {
  font-weight: 600;
  font-size: 0.9rem;
}

/* ------------------------------------------------------------------
   Colophon
   ------------------------------------------------------------------ */
.colophon {
  padding: 0 var(--gutter) 1.6rem;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--ink-meta);
}

/* ------------------------------------------------------------------
   Motion and print
   ------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  a {
    transition: none;
  }
}

@media print {
  @page {
    margin: 2.2cm 2.4cm;
  }

  :root {
    --paper: #ffffff;
    --paper-deep: #ffffff;
    --rule: #cccccc;
    --ink-text: #111111;
    --ink-title: #222222;
    --ink-menu: #555555;
    --ink-meta: #666666;
    --ink-hover: #111111;
    --margin-column: 0rem;
    --gutter: 0rem;
    --ma: 0rem;
  }

  html {
    background: #ffffff;
    font-size: 11.5pt;
  }

  .masthead,
  .pager,
  .colophon,
  .writing__margin,
  .writing__kicker,
  .writing__end,
  .intro {
    display: none;
  }

  .page {
    padding: 0;
  }

  .writing,
  .collection,
  .brief {
    margin-left: 0;
    max-width: none;
  }

  .writing__body {
    font-size: 1rem;
    line-height: 1.6;
  }

  .writing__body p,
  .brief__value {
    orphans: 3;
    widows: 3;
  }

  .writing__body a {
    border-bottom: 0;
  }

  .pieces__link {
    color: var(--ink-text);
  }
}