@charset "UTF-8";
@import url(normalize-87b4e351.css);
@import url(github-5ebc6db6.css);
*, *::before, *::after {
  box-sizing: border-box; }

/* — tokens — */
:root {
  --paper:      #f3f2f2;
  --ink:        #201e1d;
  --cyan:       #0088b0;
  --cyan-deep:  #006786;
  --magenta:    #d6006c;
  --tint:       #f8f4f4;
  --rule:       #d7d3d3;
  --accent-100: #e9f8ff;
  --accent-600: #1186ac;
  --accent-700: #006786;
  --accent-800: #004961;
  --accent-2-100: #fff1f4;
  --accent-2-800: #790e3d;
  --font-heading: "Source Serif 4", Georgia, serif;
  --font-body: "Source Serif 4", Georgia, serif; }

/* — fonts — */
@font-face {
  font-family: "Source Serif 4";
  src: url("/fonts/source-serif-4-v14-latin-regular-25e02fe7.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap; }

@font-face {
  font-family: "Source Serif 4";
  src: url("/fonts/source-serif-4-v14-latin-italic-4eae1c91.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap; }

@font-face {
  font-family: "Source Serif 4";
  src: url("/fonts/source-serif-4-v14-latin-600-d2ebdb22.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap; }

/* — base — */
html {
  text-wrap: pretty; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.5; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  margin: 0; }

p {
  margin: 0 0 1em; }

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

figure {
  margin: 0; }

a {
  color: var(--cyan-deep);
  text-decoration: none; }

a:hover {
  color: var(--magenta);
  text-decoration: underline;
  text-underline-offset: 3px; }

.pl, .row, .card {
  color: inherit; }

.pl:hover, .row:hover .row-title {
  color: var(--cyan-deep);
  text-decoration: none; }

:focus {
  outline: none; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px; }

::selection {
  background: color-mix(in srgb, var(--cyan) 30%, transparent); }

/* — head furniture — */
.rule-head {
  height: 5px;
  border: 0;
  margin: 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink); }

.rule-cut {
  height: 0;
  border: 0;
  margin: 0;
  border-top: 1px solid var(--ink); }

/* — page shell — */
.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px); }

/* — masthead — */
.masthead {
  padding-top: 48px; }

.masthead-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-bottom: 12px; }

.brand {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-left: -0.035em;
  color: var(--ink); }

.brand-home {
  font-size: clamp(38px, 4.6vw, 60px); }

.brand-interior {
  font-size: 30px;
  letter-spacing: -0.02em; }

.brand:hover {
  color: var(--ink);
  text-decoration: none; }

.masthead nav {
  display: flex;
  gap: 22px;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding-bottom: 6px; }

.masthead nav a {
  color: var(--ink); }

.masthead nav a:hover {
  color: var(--magenta);
  text-decoration: none; }

.masthead nav a[aria-current="page"] {
  color: var(--cyan-deep); }

.dateline {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin: 0;
  padding: 11px 0;
  font-size: 12px;
  line-height: 14px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 70%, transparent); }

.dateline a {
  color: inherit; }

.dateline a:hover {
  color: var(--magenta); }

/* — grid layout — */
.with-rail {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
  gap: 40px clamp(32px, 5vw, 72px);
  align-items: start;
  padding: 44px 0 48px; }

.with-rail--home {
  padding-top: 40px; }

.with-rail--article {
  grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); }

.with-rail--about {
  grid-template-columns: minmax(0, 2.7fr) minmax(0, 1fr); }

.with-rail--contact {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 44px clamp(40px, 6vw, 88px); }

.with-rail--404 {
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px clamp(40px, 6vw, 88px);
  align-items: center;
  padding: 72px 0 88px; }

.rail {
  display: flex;
  flex-direction: column;
  gap: 36px; }

.rail-label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 70%, transparent); }

/* dot-leader rows: rail "Index" / "By volume" / month-by-month */
.leader-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-size: 15px;
  line-height: 24px; }

.leader-row .leader {
  flex: 1;
  min-width: 20px;
  align-self: flex-end;
  margin-bottom: .34em;
  border-bottom: 1px dotted color-mix(in srgb, var(--ink) 45%, transparent); }

.leader-row .count {
  color: color-mix(in srgb, var(--ink) 60%, transparent); }

.leader-row.is-empty {
  color: color-mix(in srgb, var(--ink) 45%, transparent); }

.leader-row.is-empty .leader {
  border-bottom-color: color-mix(in srgb, var(--ink) 25%, transparent); }

.leader-row-strong {
  font-family: var(--font-heading);
  font-weight: 600; }

.leader-row-strong.is-current {
  color: var(--accent-700); }

/* linked lists: rail "From the back issues" / "The release series" */
.link-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 15px;
  line-height: 23px; }

.link-list .title {
  font-family: var(--font-heading);
  font-weight: 600; }

.link-list .year {
  color: color-mix(in srgb, var(--ink) 55%, transparent); }

.link-list .current {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--accent-700); }

.oss-list {
  display: flex;
  flex-direction: column;
  gap: 12px; }

.oss-list .name {
  display: block;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 15px;
  color: var(--accent-700); }

.oss-list .desc {
  display: block;
  font-size: 14px;
  line-height: 22px;
  color: color-mix(in srgb, var(--ink) 70%, transparent); }

/* the column (portrait + blurb), used on front/article/about rails */
.column-block {
  display: flex;
  gap: 14px;
  align-items: flex-start; }

.column-block .portrait {
  flex: none;
  border-radius: 2px;
  overflow: hidden; }

.column-block .portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block; }

.column-block p {
  margin: 0;
  font-size: 15px;
  line-height: 24px;
  color: color-mix(in srgb, var(--ink) 82%, transparent); }

.halftone {
  position: relative;
  filter: grayscale(0.35) contrast(1.15);
  overflow: hidden; }

.halftone::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(0, 0, 0, 0.22) 30%, transparent 32%);
  background-size: 3px 3px;
  mix-blend-mode: multiply; }

/* — front page — */
.lead {
  padding-bottom: 40px; }

.lead .kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--magenta); }

.lead h1 {
  font-size: 40px;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
  margin-left: -0.035em;
  max-width: 18ch; }

/* the lead article body takes the same .prose type rules the article page uses */
.continue-link {
  margin: 18px 0 0;
  font-size: 15px; }

.extracts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 40px; }

.extracts article h2 {
  font-size: 21px;
  line-height: 1.18;
  margin: 0 0 6px; }

.extracts article .date {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 60%, transparent); }

.extracts article p {
  margin: 0;
  font-size: 15px;
  line-height: 25px;
  color: color-mix(in srgb, var(--ink) 82%, transparent); }

/* — article — */
.article-head {
  padding: 44px 0 36px; }

.article-head h1 {
  font-size: clamp(42px, 5.2vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  margin-left: -0.035em;
  max-width: 22ch; }

.standfirst {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 400;
  font-size: 24px;
  line-height: 36px;
  margin: 0;
  max-width: 44ch;
  color: color-mix(in srgb, var(--ink) 84%, transparent); }

.prose {
  font-size: 17px;
  line-height: 29px; }

.prose p {
  margin: 0 0 22px; }

.prose h2 {
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 40px 0 14px; }

.prose h3 {
  font-size: 18px;
  line-height: 1.3;
  margin: 28px 0 12px; }

.prose ol, .prose ul {
  padding-left: 22px; }

.prose ol li, .prose ul li {
  margin-bottom: 6px; }

.prose blockquote {
  margin: 0 0 22px;
  padding-left: 20px;
  border-left: 2px solid var(--rule);
  color: color-mix(in srgb, var(--ink) 82%, transparent); }

.prose code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 15px;
  background: var(--tint);
  padding: 1px 5px;
  border-radius: 2px; }

.prose img {
  border-radius: 2px;
  margin: 0 0 22px; }

.prose figure {
  margin: 0 0 26px; }

.prose figcaption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule); }

.prose figure pre {
  margin: 0;
  padding: 18px 20px;
  background: var(--tint);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 24px;
  overflow-x: auto;
  white-space: pre;
  border-radius: 0 0 2px 2px; }

.prose pre code {
  background: none;
  padding: 0;
  font-size: inherit;
  white-space: inherit; }

/* code fences from middleman-syntax/Rouge: <div class="highlight"><pre class="highlight LANG"><code>,
   wrapped server-side (inject_code_captions) in a <figure class="code-figure"> carrying the
   caption row — language on the right, filename left blank (no per-post metadata for it).
   Unscoped (not `.prose X`): this markup also appears in the front page's lead excerpt,
   which lives in `.lead-body`, not `.prose`. */
.code-figure {
  margin: 0 0 26px; }

.code-caption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule); }

.highlight {
  margin: 0 0 26px;
  background: var(--tint);
  border-radius: 2px;
  overflow: hidden; }

.code-figure .highlight {
  margin: 0;
  border-radius: 0 0 2px 2px; }

.highlight pre {
  margin: 0;
  padding: 18px 20px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 24px;
  overflow-x: auto;
  white-space: pre; }

.highlight code {
  background: none;
  padding: 0;
  font-size: inherit;
  white-space: inherit; }

.filed-under {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 40px 0 0; }

.filed-under-label {
  font-size: 12px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 65%, transparent); }

.comments {
  margin-top: 48px; }

.comments h2 {
  font-size: 22px;
  line-height: 1.2;
  margin: 0 0 8px; }

.comments .lede {
  font-size: 15px;
  line-height: 24px;
  margin: 0 0 18px;
  color: color-mix(in srgb, var(--ink) 70%, transparent); }

.article-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  font-size: 15px;
  padding-bottom: 64px; }

/* — row lists: archive / tag / month / day — */
.row-list {
  display: flex;
  flex-direction: column; }

a.row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  text-decoration: none;
  color: inherit; }

a.row:hover {
  color: var(--cyan-deep);
  text-decoration: none; }

a.row--2col {
  grid-template-columns: 96px minmax(0, 1fr);
  padding: 15px 0; }

a.row--full {
  display: block;
  padding: 18px 0; }

.row-date {
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 55%, transparent); }

.row-title {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 19px; }

.row-title--lg {
  font-size: 22px;
  line-height: 1.2;
  margin-bottom: 6px; }

.row-subjects {
  font-size: 13px;
  color: color-mix(in srgb, var(--ink) 50%, transparent); }

.row-desc {
  display: block;
  font-size: 15px;
  line-height: 24px;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  margin-top: 4px; }

/* — pager — */
.pager {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--ink); }

.pager .muted {
  font-size: 15px;
  color: color-mix(in srgb, var(--ink) 55%, transparent); }

.pager .count {
  font-size: 12px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 70%, transparent); }

.pager a {
  font-size: 15px; }

/* — page heads (archive/tag/month/day/about/contact) — */
.page-head {
  padding: 44px 0 8px;
  max-width: 62ch; }

.page-head h1, .h1-display {
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.028em;
  margin: 0 0 16px;
  margin-left: -0.035em; }

.page-head .standfirst-plain {
  font-size: 17px;
  line-height: 29px;
  margin: 0;
  max-width: 56ch;
  color: color-mix(in srgb, var(--ink) 82%, transparent); }

.page-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 70%, transparent); }

/* — tags — */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.02em;
  padding: 3px 10px;
  border-radius: 2px;
  text-decoration: none; }

.tag-accent {
  background: var(--accent-100);
  color: var(--accent-800); }

.tag-accent:hover {
  background: var(--accent-2-100);
  color: var(--accent-2-800);
  text-decoration: none; }

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px; }

/* — buttons — */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  color: var(--ink);
  background: transparent;
  border: 1px solid transparent;
  padding: 12px 20px;
  border-radius: 2px; }

.btn:hover {
  text-decoration: none; }

.btn-primary {
  background: var(--cyan);
  color: var(--paper); }

.btn-primary:hover {
  background: var(--accent-600);
  color: var(--paper); }

.btn-primary:active {
  background: var(--accent-700); }

.btn-secondary {
  border-color: var(--rule); }

.btn-secondary:hover {
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  color: var(--ink); }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed; }

/* — forms — */
.field {
  display: flex;
  flex-direction: column; }

.field > label {
  display: block;
  font-size: 12px;
  margin-bottom: 5px;
  color: color-mix(in srgb, var(--ink) 70%, transparent); }

.input {
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  font: inherit;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  caret-color: var(--cyan);
  background: var(--tint);
  border: 1px solid var(--rule);
  border-radius: 2px; }

.input::placeholder {
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  opacity: 1; }

.input:hover {
  border-color: color-mix(in srgb, var(--ink) 45%, transparent); }

.input:focus-visible {
  border-color: var(--cyan);
  outline-offset: 0; }

textarea.input {
  min-height: 120px;
  resize: vertical; }

.input.field-error, textarea.field-error {
  border-color: var(--magenta);
  border-width: 2px; }

.form-message {
  padding: 12px 16px;
  margin-bottom: 4px;
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.5; }

.form-message.success {
  background: var(--accent-100);
  color: var(--accent-800); }

.form-message.error {
  background: var(--accent-2-100);
  color: var(--accent-2-800); }

/* — cards (About page open-source listings) — */
.card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border-radius: 2px;
  background: var(--tint);
  text-decoration: none; }

.card-kicker {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan); }

.card-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.2; }

.card-body {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  color: color-mix(in srgb, var(--ink) 82%, transparent);
  flex: 1; }

.card-meta {
  font-size: 11px;
  color: color-mix(in srgb, var(--ink) 55%, transparent); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px; }

/* — 404 — */
.error-num {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 64px;
  line-height: 1;
  color: var(--magenta); }

.error-head {
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
  margin-left: -0.035em;
  max-width: 18ch; }

.error-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap; }

/* — colophon — */
.colophon-cut {
  margin: 0 0 20px; }

.colophon-full {
  padding-bottom: 64px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  align-items: flex-start;
  font-size: 13px;
  line-height: 22px;
  color: color-mix(in srgb, var(--ink) 70%, transparent); }

.colophon-full .notice {
  margin: 0;
  max-width: 52ch; }

.colophon-full .spacer {
  flex: 1 1 auto; }

.colophon-full nav {
  display: flex;
  gap: 18px; }

.colophon-condensed {
  margin: 0;
  padding-bottom: 64px;
  font-size: 13px;
  line-height: 22px;
  color: color-mix(in srgb, var(--ink) 70%, transparent); }

/* — responsive — */
@media (max-width: 900px) {
  .with-rail {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px; } }

@media (max-width: 640px) {
  .extracts {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px; }
  .brand-home {
    font-size: 30px; }
  .dateline span:nth-child(n+3) {
    display: none; }
  a.row, a.row--2col {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px; }
  .row-subjects {
    display: none; } }