:root {
  --ink: #15202b;
  --ink-soft: #4a5c6b;
  --paper: #f4f0e8;
  --paper-raised: #fbf8f2;
  --lake: #1a5f8a;
  --lake-deep: #0e334d;
  --sky: #5aa4d4;
  --rule: #d8d0c3;
  --rule-strong: #c4baaa;
  --code-bg: #14202c;
  --code-ink: #e8eef3;
  --focus: #c9783a;
  --wrap: 42rem;
  --header-h: clamp(14rem, 38vw, 22rem);
  --sans: "Figtree", "Segoe UI", sans-serif;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.65;
  font-feature-settings: "kern", "liga";
}

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

a {
  color: var(--lake);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: color-mix(in srgb, var(--lake) 45%, transparent);
}

a:hover {
  color: var(--lake-deep);
  text-decoration-color: var(--lake-deep);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 10;
  padding: 0.4rem 0.75rem;
  background: var(--paper-raised);
  color: var(--ink);
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
}

/* Header — Toronto skyline, full bleed */
.site-header {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: var(--header-h);
  color: #fff;
  isolation: isolate;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--lake-deep) url("/assets/themes/twitter/images/toronto.jpg") center 48% / cover no-repeat;
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      to top,
      rgba(8, 24, 40, 0.88) 0%,
      rgba(8, 24, 40, 0.42) 42%,
      rgba(8, 24, 40, 0.08) 72%,
      rgba(8, 24, 40, 0.12) 100%
    );
}

.site-header__bar {
  width: 100%;
  padding: 1.5rem 0 1.75rem;
}

.site-header__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-title,
.site-title a {
  display: block;
  color: #fff;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 4vw, 2.55rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-decoration: none;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

h1.site-title {
  margin: 0;
}

.site-title:hover,
.site-title a:hover {
  color: #fff;
  text-decoration: none;
}

.site-title__at {
  color: var(--sky);
  padding-inline: 0.02em;
}

.site-tagline {
  margin: 0.35rem 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.15rem 1.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav li,
.site-nav li + li {
  margin: 0;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: lowercase;
}

.site-nav a:hover,
.site-nav .active a,
.site-nav a.active {
  color: #fff;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
  text-decoration-color: var(--sky);
}

/* Main */
main.wrap {
  padding-block: 2.75rem 4rem;
}

.home .page-header {
  display: none;
}

.home .post-year:first-of-type {
  margin-top: 0;
}

.page-header {
  margin: 0 0 2rem;
}

.page-header h1 {
  margin: 0;
  color: var(--lake-deep);
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-header h1 small {
  display: block;
  margin-top: 0.35rem;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 1rem;
  letter-spacing: 0;
}

.post-full .date,
.page-header .date {
  display: block;
  margin-top: 0.7rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h2,
h3,
h4 {
  color: var(--lake-deep);
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.25;
}

h2 {
  margin: 2.4rem 0 0.8rem;
  font-size: 1.7rem;
}

h3 {
  margin: 1.8rem 0 0.6rem;
  font-size: 1.35rem;
}

h4 {
  margin: 1.4rem 0 0.45rem;
  font-size: 1.15rem;
}

p,
ul,
ol {
  margin: 0 0 1.15rem;
}

.content ul,
.content ol,
.page-body ul,
.page-body ol {
  padding-left: 1.25rem;
}

.content li + li,
.page-body li + li {
  margin-top: 0.25rem;
}

blockquote {
  margin: 1.5rem 0;
  padding: 0.15rem 0 0.15rem 1.15rem;
  border-left: 3px solid var(--sky);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 1.15rem;
  font-style: italic;
}

blockquote p:last-child {
  margin-bottom: 0;
}

hr {
  margin: 2.5rem 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

table {
  width: 100%;
  margin: 0 0 1.4rem;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--lake-deep);
  font-weight: 600;
}

/* Code */
code,
kbd,
samp {
  font-family: var(--mono);
  font-size: 0.84em;
}

:not(pre) > code {
  padding: 0.12em 0.38em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--sky) 14%, var(--paper-raised));
  color: var(--lake-deep);
}

pre,
.highlight,
figure.highlight {
  margin: 1.4rem 0 1.6rem;
  padding: 1rem 1.15rem;
  overflow-x: auto;
  border-radius: 8px;
  background: var(--code-bg);
  color: var(--code-ink);
  tab-size: 2;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

pre code,
.highlight code {
  padding: 0;
  background: none;
  color: inherit;
  font-size: 0.8rem;
  line-height: 1.55;
}

.highlight pre {
  margin: 0;
  padding: 0;
  background: none;
  box-shadow: none;
}

.highlighter-rouge {
  margin: 1.4rem 0 1.6rem;
}

.highlighter-rouge .highlight {
  margin: 0;
}

.highlight table,
.highlight td,
.highlight tr,
.highlight th {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.highlight td {
  padding: 0 0.75rem 0 0;
}

/* Post index */
.post-year {
  margin: 2.5rem 0 0.65rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--rule);
  color: var(--lake-deep);
  font-family: var(--serif);
  font-size: 1.45rem;
}

.post-year:first-child,
.page-body > .post-year:first-of-type {
  margin-top: 0.4rem;
}

ul.posts {
  margin: 0 0 0.4rem;
  padding: 0;
  list-style: none;
}

ul.posts li {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: 0.9rem;
  align-items: baseline;
  margin: 0;
  padding: 0.55rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--rule) 70%, transparent);
}

ul.posts li:last-child {
  border-bottom: 0;
}

ul.posts time,
ul.posts span {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

ul.posts a {
  color: var(--ink);
  font-weight: 500;
  text-decoration: none;
}

ul.posts a:hover {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

/* Tags */
.tag_box {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.tag_box li {
  margin: 0;
  line-height: 1.4;
}

.tag_box a {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper-raised);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
}

.tag_box a span {
  margin-left: 0.2rem;
  color: var(--sky);
  font-size: 0.85em;
}

.tag_box a:hover,
.tag_box a.active {
  border-color: var(--lake);
  background: var(--lake);
  color: #fff;
}

.tag_box a:hover span,
.tag_box a.active span {
  color: rgba(255, 255, 255, 0.8);
}

.page-body > h2[id$="-ref"] {
  margin-top: 2.2rem;
  font-size: 1.35rem;
}

/* Pagination */
.pagination {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: start;
  margin: 2.5rem 0 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9rem;
}

.pagination .prev {
  justify-self: start;
}

.pagination .archive-link {
  justify-self: center;
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 600;
}

.pagination .next {
  justify-self: end;
  text-align: right;
}

.pagination .disabled {
  color: var(--rule-strong);
}

.pagination ul {
  display: contents;
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-sharing {
  margin: 1.5rem 0;
}

.post-share {
  display: flex;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

#disqus_thread {
  margin-top: 2rem;
}

/* Footer */
.site-footer {
  padding: 2.25rem 0 2.75rem;
  border-top: 1px solid var(--rule);
  background: color-mix(in srgb, var(--lake-deep) 6%, var(--paper));
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.site-footer h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer li + li {
  margin-top: 0.3rem;
}

.site-footer .contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
}

.site-footer .author {
  color: var(--ink);
  font-weight: 600;
}

.copyright {
  margin: 1.5rem 0 0;
  color: color-mix(in srgb, var(--ink-soft) 75%, var(--paper));
  font-size: 0.8rem;
}

/* Archive collate and plain page lists */
.page-body > ul:not(.tag_box):not(.posts) {
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
}

.page-body > ul:not(.tag_box):not(.posts) li {
  padding: 0.42rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--rule) 70%, transparent);
}

.page-body > ul:not(.tag_box):not(.posts) span {
  display: inline-block;
  min-width: 9.5rem;
  margin-right: 0.5rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

.page-body h3 {
  margin-top: 1.1rem;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-body h2 + h3 {
  margin-top: 0.4rem;
}

address {
  font-style: normal;
}

::selection {
  background: color-mix(in srgb, var(--sky) 40%, white);
  color: var(--lake-deep);
}

@media (max-width: 640px) {
  html {
    font-size: 17px;
  }

  .wrap {
    width: min(100% - 1.75rem, var(--wrap));
  }

  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .site-nav ul {
    justify-content: flex-start;
  }

  ul.posts li {
    grid-template-columns: 3.6rem 1fr;
    gap: 0.65rem;
  }

  .pagination {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .pagination .next,
  .pagination .archive-link {
    justify-self: start;
    text-align: left;
  }
}

@media print {
  .site-header {
    min-height: 0;
    color: var(--ink);
  }

  .site-header::before,
  .site-header::after {
    display: none;
  }

  .site-title,
  .site-nav a,
  .site-tagline {
    color: var(--ink);
    text-shadow: none;
  }

  .site-footer,
  .pagination,
  .post-sharing,
  #disqus_thread {
    display: none;
  }
}