:root {
  --paper: #f5f1e8;
  --paper-deep: #ebe5d8;
  --surface: #fffdf7;
  --ink: #17233f;
  --ink-soft: #596174;
  --line: rgba(23, 35, 63, 0.18);
  --blue: #2357d9;
  --orange: #f06c3b;
  --shadow: 0 18px 50px rgba(23, 35, 63, 0.09);
  --max: 1180px;
  --serif: Georgia, "Noto Serif SC", "Songti SC", serif;
  --sans:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

[data-theme="dark"] {
  --paper: #11182a;
  --paper-deep: #182136;
  --surface: #1b253a;
  --ink: #f2eee5;
  --ink-soft: #acb5c8;
  --line: rgba(242, 238, 229, 0.17);
  --blue: #6f98ff;
  --orange: #ff8156;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}
body.nav-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
button,
input {
  font: inherit;
}
button {
  color: inherit;
}
::selection {
  background: var(--orange);
  color: #fff;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 999;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--paper);
}
.skip-link:focus {
  top: 1rem;
}
.page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: 0.18;
  background-image: radial-gradient(
    circle at center,
    currentColor 0.45px,
    transparent 0.55px
  );
  background-size: 5px 5px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 100;
}
.header-inner {
  max-width: var(--max);
  margin: auto;
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 0 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-right: auto;
  line-height: 1.05;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--ink);
  color: var(--paper);
  font: 800 1.25rem/1 var(--sans);
  border-radius: 50%;
}
.brand strong {
  display: block;
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}
.brand small {
  display: block;
  margin-top: 0.32rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  font-size: 0.58rem;
  letter-spacing: 0.19em;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}
.site-nav a {
  position: relative;
  font-size: 0.86rem;
  font-weight: 650;
}
.site-nav a::after {
  content: "";
  position: absolute;
  height: 2px;
  left: 0;
  right: 100%;
  bottom: -0.55rem;
  background: var(--orange);
  transition: right 0.2s ease;
}
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  right: 0;
}
.theme-toggle,
.nav-toggle {
  border: 0;
  background: transparent;
  cursor: pointer;
}
.theme-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition:
    transform 0.2s,
    background 0.2s;
}
.theme-toggle:hover {
  transform: rotate(20deg);
  background: var(--surface);
}
.theme-icon {
  font-size: 1.2rem;
  line-height: 1;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px 8px;
}
.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: 0.25s;
}

/* Shared */
.section-kicker {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--blue);
  font-weight: 800;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
}
.section-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: currentColor;
}
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 0.6rem 1.35rem;
  font-weight: 750;
  font-size: 0.88rem;
  border: 1px solid var(--ink);
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    background 0.2s;
}
.button:hover {
  transform: translateY(-3px);
  box-shadow: 5px 5px 0 var(--ink);
}
.button-primary {
  background: var(--ink);
  color: var(--paper);
}
.button-ghost {
  background: transparent;
}
.text-link {
  font-size: 0.84rem;
  font-weight: 750;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.2rem;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  padding: 0.26rem 0.62rem;
  border-radius: 100px;
  color: var(--ink-soft);
  font-size: 0.69rem;
  font-weight: 700;
  line-height: 1.2;
}
.tag-list.compact .tag {
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.round-arrow {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 1.2rem;
  transition: 0.2s;
}
.round-arrow:hover {
  background: var(--ink);
  color: var(--paper);
  transform: rotate(45deg);
}

/* Home hero */
.home-hero {
  max-width: var(--max);
  min-height: 650px;
  margin: auto;
  padding: 5.5rem 1.5rem 6rem;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.65fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}
.hero-overline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-soft);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  font-weight: 750;
}
.hero-overline span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}
.hero-copy h1 {
  margin: 1.7rem 0 1.5rem;
  font-size: clamp(3.4rem, 7.6vw, 6.9rem);
  line-height: 0.98;
  letter-spacing: -0.07em;
  font-weight: 850;
}
.hero-copy h1 span {
  color: var(--blue);
  display: inline-block;
}
.hero-intro {
  max-width: 610px;
  font: 1.13rem/1.8 var(--serif);
  color: var(--ink-soft);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.3rem;
}
.profile-card {
  align-self: stretch;
  max-height: 540px;
  border: 1px solid var(--ink);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  box-shadow: 9px 9px 0 var(--orange);
  background: var(--surface);
  transform: rotate(1.5deg);
}
.profile-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.2rem 0.8rem;
  font-size: 0.58rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}
.status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--ink-soft);
}
.status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #35aa65;
  box-shadow: 0 0 0 3px rgba(53, 170, 101, 0.16);
}
.profile-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
}
.profile-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  padding: 1rem 0;
}
.profile-info div {
  padding-right: 0.4rem;
}
.profile-info small {
  display: block;
  color: var(--ink-soft);
  font-size: 0.54rem;
  letter-spacing: 0.12em;
}
.profile-info strong {
  display: block;
  font-size: 0.72rem;
  margin-top: 0.22rem;
}
.profile-card > a {
  border-top: 1px solid var(--line);
  padding: 0.8rem 0 0.15rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 750;
}

/* Latest */
.latest-section {
  border-top: 1px solid var(--line);
  padding: 6rem max(1.5rem, calc((100vw - var(--max)) / 2));
}
.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
}
.section-heading-row h2,
.explore-section > h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}
.home-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 0.72fr);
  gap: 5rem;
}
.post-list {
  border-top: 1px solid var(--ink);
}
.post-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) 44px;
  gap: 1.5rem;
  align-items: center;
  padding: 1.65rem 0.2rem;
  border-bottom: 1px solid var(--line);
}
.post-row > time {
  align-self: start;
  padding-top: 0.2rem;
}
.post-row > time span {
  display: block;
  font-size: 1.65rem;
  line-height: 1;
  font-weight: 300;
}
.post-row > time small {
  display: block;
  margin-top: 0.4rem;
  color: var(--ink-soft);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}
.post-row h3 {
  margin: 0.6rem 0 0.45rem;
  font-size: 1.28rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
.post-row h3 a {
  background-image: linear-gradient(var(--orange), var(--orange));
  background-size: 0 2px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.25s;
}
.post-row h3 a:hover {
  background-size: 100% 2px;
}
.post-row p {
  margin: 0;
  color: var(--ink-soft);
  font: 0.87rem/1.65 var(--serif);
}
.topic-panel {
  background: var(--ink);
  color: var(--paper);
  padding: 1.7rem;
}
.topic-panel-head {
  display: flex;
  justify-content: space-between;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}
.topic-panel > a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.88rem;
}
.topic-panel > a span:last-child {
  color: var(--orange);
  font-size: 0.68rem;
}
.topic-quote {
  margin-top: 3rem;
}
.topic-quote > span {
  display: block;
  color: var(--orange);
  font: 4rem/1 var(--serif);
  height: 2.3rem;
}
.topic-quote p {
  font: 1.05rem/1.75 var(--serif);
}

/* Pelican demos */
.pelican-section {
  border-top: 1px solid var(--line);
  padding: 6rem max(1.5rem, calc((100vw - var(--max)) / 2));
}
.pelican-section .section-heading-row {
  margin-bottom: 2.2rem;
}
.pelican-section h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  line-height: 1.12;
  letter-spacing: -0.05em;
}
.pelican-intro {
  max-width: 650px;
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font: 0.98rem/1.8 var(--serif);
}
.pelican-count {
  flex: none;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 700;
}
.pelican-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.3rem;
}
.pelican-card {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}
.pelican-preview {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #d8ebdc;
}
.pelican-preview iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none;
}
.pelican-preview > a {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: end;
  justify-content: end;
  padding: 1rem;
}
.pelican-preview > a span {
  padding: 0.55rem 0.8rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.72rem;
  font-weight: 750;
  transition: transform 0.2s;
}
.pelican-preview > a:hover span,
.pelican-preview > a:focus-visible span {
  transform: translateY(-4px);
}
.pelican-card-info {
  padding: 1.35rem 1.5rem 1.5rem;
}
.pelican-number {
  color: var(--blue);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}
.pelican-card h3 {
  margin: 0.6rem 0 0.35rem;
  font-size: 1.45rem;
  line-height: 1.3;
}
.pelican-card h3 a:hover {
  color: var(--blue);
}
.pelican-original-title {
  margin-bottom: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 700;
}
.pelican-card p {
  margin: 0;
  color: var(--ink-soft);
  font: 0.85rem/1.65 var(--serif);
}

/* Explore */
.explore-section {
  border-top: 1px solid var(--line);
  padding: 6rem max(1.5rem, calc((100vw - var(--max)) / 2)) 7rem;
}
.explore-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.explore-card {
  min-height: 330px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #fff;
  transition: transform 0.25s;
}
.explore-card:hover {
  transform: translateY(-8px);
}
.card-blue {
  background: var(--blue);
}
.card-orange {
  background: var(--orange);
}
.card-ink {
  background: var(--ink);
}
.card-index {
  align-self: end;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
}
.explore-card small {
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  opacity: 0.7;
}
.explore-card h3 {
  margin: 0.55rem 0;
  font-size: 1.65rem;
  line-height: 1.25;
}
.explore-card p {
  margin: 0;
  max-width: 260px;
  font-size: 0.82rem;
  opacity: 0.78;
}
.card-arrow {
  font-size: 1.8rem;
}

/* Page shells */
.page-shell,
.archive-shell,
.category-shell,
.search-shell,
.post-shell {
  width: min(100% - 3rem, 920px);
  margin: auto;
  padding: 5.5rem 0 7rem;
}
.archive-shell,
.category-shell,
.search-shell {
  width: min(100% - 3rem, var(--max));
}
.page-heading {
  margin-bottom: 4rem;
}
.page-heading h1 {
  margin: 0.65rem 0 1rem;
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 1;
  letter-spacing: -0.065em;
}
.page-heading > p {
  max-width: 650px;
  margin: 0;
  color: var(--ink-soft);
  font: 1.06rem/1.8 var(--serif);
}

/* Archive */
.archive-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
}
.archive-heading .section-kicker {
  grid-column: 1 / -1;
}
.archive-heading p {
  justify-self: end;
  max-width: 410px;
}
.year-group {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 3rem;
  margin-top: 4rem;
}
.year-label {
  position: sticky;
  top: 2rem;
  align-self: start;
}
.year-label span {
  display: block;
  font-size: 3.3rem;
  line-height: 1;
  letter-spacing: -0.06em;
  font-weight: 800;
}
.year-label small {
  color: var(--ink-soft);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
}
.archive-list {
  border-top: 1px solid var(--ink);
}
.archive-list article {
  display: grid;
  grid-template-columns: 70px 1fr 44px;
  gap: 1.4rem;
  align-items: center;
  padding: 1.7rem 0;
  border-bottom: 1px solid var(--line);
}
.archive-list time {
  align-self: start;
  color: var(--ink-soft);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding-top: 0.3rem;
}
.archive-list h2 {
  margin: 0 0 0.45rem;
  font-size: 1.35rem;
  line-height: 1.35;
}
.archive-list p {
  margin: 0 0 0.8rem;
  color: var(--ink-soft);
  font: 0.86rem/1.65 var(--serif);
}

/* Categories */
.category-index {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--ink);
  margin-bottom: 5rem;
}
.category-index a {
  min-height: 120px;
  padding: 1.3rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: end;
  justify-content: space-between;
  transition:
    background 0.2s,
    color 0.2s;
}
.category-index a:nth-child(3n) {
  border-right: 0;
}
.category-index a:hover {
  background: var(--ink);
  color: var(--paper);
}
.category-index span {
  font-size: 1.1rem;
  font-weight: 750;
}
.category-index strong {
  font-size: 2.7rem;
  line-height: 1;
  font-weight: 300;
}
.category-group {
  scroll-margin-top: 2rem;
  margin: 0 0 4rem;
}
.category-group header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.8rem;
}
.category-group h2 {
  margin: 0;
  font-size: 2rem;
}
.category-group header span {
  color: var(--ink-soft);
  font-size: 0.7rem;
}
.category-post {
  display: grid;
  grid-template-columns: 110px 1fr 30px;
  gap: 1rem;
  padding: 1.15rem 0.2rem;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.category-post time {
  color: var(--ink-soft);
  font-size: 0.68rem;
}
.category-post span {
  font-weight: 650;
}
.category-post i {
  font-style: normal;
  transition: transform 0.2s;
}
.category-post:hover i {
  transform: translateX(5px);
}

/* Search */
.search-box {
  display: flex;
  align-items: center;
  border-bottom: 3px solid var(--ink);
  padding: 0.5rem 0;
  gap: 1rem;
}
.search-box > span {
  font-size: 2.2rem;
  transform: rotate(-15deg);
}
.search-box input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  padding: 0.7rem 0;
  font-size: clamp(1.35rem, 4vw, 2.5rem);
  font-weight: 700;
}
.search-box input::placeholder {
  color: var(--ink-soft);
  opacity: 0.55;
}
.search-box kbd {
  border: 1px solid var(--line);
  padding: 0.25rem 0.45rem;
  color: var(--ink-soft);
  font-size: 0.55rem;
}
.search-status {
  margin: 1rem 0 2rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
}
.search-results article {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.search-results time {
  color: var(--ink-soft);
  font-size: 0.7rem;
}
.search-results h2 {
  margin: 0 0 0.4rem;
  font-size: 1.25rem;
}
.search-results p {
  margin: 0;
  color: var(--ink-soft);
  font: 0.84rem/1.6 var(--serif);
}
.search-results .result-category {
  display: block;
  margin-top: 0.5rem;
  color: var(--blue);
  font-size: 0.62rem;
  font-weight: 750;
}
.search-empty {
  padding: 4rem 0;
  text-align: center;
  color: var(--ink-soft);
  font: 1.1rem var(--serif);
}
.search-empty span {
  display: block;
  font: 4rem/1 var(--sans);
  color: var(--orange);
}

/* Prose, posts, comments */
.prose {
  font: 1.06rem/1.95 var(--serif);
}
.prose > *:first-child {
  margin-top: 0;
}
.prose h2,
.prose h3 {
  font-family: var(--sans);
  letter-spacing: -0.035em;
  line-height: 1.35;
  scroll-margin-top: 2rem;
}
.prose h2 {
  margin: 3.2rem 0 1.1rem;
  font-size: 1.9rem;
}
.prose h3 {
  margin: 2.3rem 0 1rem;
  font-size: 1.35rem;
}
.prose p,
.prose ul,
.prose ol {
  margin: 1.25rem 0;
}
.prose a {
  color: var(--blue);
  border-bottom: 1px solid currentColor;
}
.prose blockquote {
  margin: 2rem 0;
  border-left: 5px solid var(--orange);
  background: var(--surface);
  padding: 1.2rem 1.5rem;
  font-size: 1.12rem;
}
.prose code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.85em;
  background: var(--paper-deep);
  padding: 0.15em 0.35em;
  border-radius: 3px;
}
.prose pre {
  overflow-x: auto;
  padding: 1.3rem;
  background: #101827;
  color: #e8edf7;
  border-left: 4px solid var(--blue);
}
.prose pre code {
  background: transparent;
  padding: 0;
}
.prose img {
  margin: 2rem auto;
  box-shadow: var(--shadow);
}
.reflection-figure {
  width: min(100%, 750px);
  aspect-ratio: 750 / 635;
  margin: 2rem auto;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.reflection-figure img {
  width: 100%;
  height: 100%;
  margin: 0;
  max-width: none;
  object-fit: cover;
  object-position: 94% 52%;
  box-shadow: none;
}
.back-link {
  display: inline-block;
  margin-bottom: 3.5rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 750;
}
.post-header {
  margin-bottom: 4rem;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  color: var(--ink-soft);
  font-size: 0.67rem;
  letter-spacing: 0.05em;
}
.post-header h1 {
  margin: 1.3rem 0 1.2rem;
  max-width: 850px;
  font-size: clamp(2.7rem, 7vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.06em;
}
.post-deck {
  max-width: 700px;
  color: var(--ink-soft);
  font: 1.12rem/1.75 var(--serif);
}
.post-header .tag-list {
  margin-top: 1.5rem;
}
.post-content {
  max-width: 760px;
}
.post-footer {
  margin-top: 5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.post-footer strong {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--serif);
  font-size: 1.25rem;
}
.post-footer > a {
  font-size: 0.76rem;
  font-weight: 750;
}
.comments {
  margin-top: 5rem;
  padding-top: 1rem;
}
.comments h2 {
  margin: 0.5rem 0;
  font-size: 2.3rem;
  letter-spacing: -0.04em;
}
.comments > p {
  margin: 0 0 2rem;
  color: var(--ink-soft);
  font: 0.9rem/1.7 var(--serif);
}
.comment-fallback {
  display: inline-block;
  margin-top: 1rem;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  font-size: 0.72rem;
  font-weight: 700;
}
.reading-progress {
  position: fixed;
  z-index: 200;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
}
.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--orange);
}

/* About, links, guestbook */
.about-lead {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2.4rem;
  align-items: center;
  margin-bottom: 3.5rem;
}
.about-lead img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: grayscale(0.1);
  border-radius: 50%;
  border: 1px solid var(--ink);
  padding: 0.45rem;
}
.about-lead p {
  margin: 0.7rem 0;
}
.about-lead .big-copy {
  font-size: 1.4rem;
  line-height: 1.65;
}
.guestbook-note {
  position: relative;
  padding: 1.5rem;
  background: var(--blue);
  color: #fff;
  margin-bottom: 3rem;
}
.guestbook-note strong {
  font: 1.5rem var(--sans);
}
.guestbook-note p {
  margin: 0.55rem 0 0;
  max-width: 680px;
}
.page-shell .comments {
  border-top: 1px solid var(--line);
}
.page-shell .comments .section-kicker,
.page-shell .comments h2 {
  display: none;
}
.link-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 4rem;
}
.link-cards a {
  min-height: 240px;
  padding: 1.4rem;
  border: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  transition: 0.2s;
}
.link-cards a:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-5px);
}
.link-cards span {
  font: 700 0.57rem/1 var(--sans);
  letter-spacing: 0.14em;
  color: var(--blue);
}
.link-cards strong {
  margin: auto 0 0.5rem;
  font: 750 1.8rem/1 var(--sans);
}
.link-cards p {
  margin: 0;
  font-size: 0.86rem;
}
.link-cards i {
  margin-top: 1rem;
  align-self: end;
  font: normal 1.4rem var(--sans);
}

/* 404 */
.not-found {
  width: min(100% - 3rem, var(--max));
  margin: auto;
  min-height: 650px;
  display: flex;
  flex-direction: column;
  align-items: start;
  justify-content: center;
}
.not-found > span {
  color: var(--orange);
  font-size: clamp(6rem, 22vw, 15rem);
  font-weight: 850;
  line-height: 0.75;
  letter-spacing: -0.1em;
}
.not-found h1 {
  margin: 2.5rem 0 0.5rem;
  font-size: 2rem;
}
.not-found p {
  color: var(--ink-soft);
  margin: 0 0 2rem;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 4rem max(1.5rem, calc((100vw - var(--max)) / 2)) 1.3rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
}
.footer-inner p {
  color: var(--paper);
  opacity: 0.62;
  font: 0.86rem var(--serif);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: start;
  gap: 2rem;
  font-size: 0.76rem;
  font-weight: 700;
}
.footer-links a:hover {
  color: var(--orange);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 1rem;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  opacity: 0.58;
}
.back-to-top {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 80;
  width: 44px;
  height: 44px;
  border: 1px solid var(--ink);
  background: var(--paper);
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: 0.2s;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

@media (max-width: 900px) {
  .header-inner {
    min-height: 72px;
  }
  .nav-toggle {
    display: block;
    order: 2;
  }
  .theme-toggle {
    order: 1;
  }
  .site-nav {
    position: fixed;
    inset: 72px 0 0;
    padding: 2.5rem 1.5rem;
    background: var(--paper);
    flex-direction: column;
    align-items: start;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  .site-nav a {
    width: 100%;
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.4rem;
  }
  .nav-open .site-nav {
    transform: translateX(0);
  }
  .nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }
  .nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .home-hero {
    grid-template-columns: 1fr;
    padding-top: 4rem;
  }
  .profile-card {
    width: min(100%, 390px);
    justify-self: end;
  }
  .home-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .topic-panel {
    width: 100%;
  }
  .explore-grid {
    grid-template-columns: 1fr;
  }
  .pelican-grid {
    grid-template-columns: 1fr;
  }
  .explore-card {
    min-height: 260px;
  }
  .archive-heading {
    display: block;
  }
  .archive-heading p {
    margin-top: 1.4rem;
  }
  .year-group {
    grid-template-columns: 110px 1fr;
  }
  .category-index {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-index a:nth-child(3n) {
    border-right: 1px solid var(--line);
  }
  .category-index a:nth-child(2n) {
    border-right: 0;
  }
}

@media (max-width: 620px) {
  .brand small {
    display: none;
  }
  .header-inner {
    gap: 0.7rem;
  }
  .theme-toggle {
    width: 38px;
    height: 38px;
  }
  .home-hero {
    padding: 3.3rem 1.2rem 4.5rem;
    gap: 3.5rem;
  }
  .hero-copy h1 {
    font-size: clamp(3.15rem, 17vw, 4.5rem);
  }
  .hero-intro {
    font-size: 1rem;
  }
  .profile-card {
    width: calc(100% - 10px);
    transform: rotate(1deg);
  }
  .latest-section,
  .explore-section,
  .pelican-section {
    padding: 4.5rem 1.2rem;
  }
  .section-heading-row {
    align-items: start;
    flex-direction: column;
  }
  .post-row {
    grid-template-columns: 55px 1fr;
    gap: 1rem;
  }
  .post-row .round-arrow {
    display: none;
  }
  .post-row h3 {
    font-size: 1.12rem;
  }
  .page-shell,
  .archive-shell,
  .category-shell,
  .search-shell,
  .post-shell {
    width: calc(100% - 2.4rem);
    padding: 4rem 0 5rem;
  }
  .page-heading {
    margin-bottom: 3rem;
  }
  .page-heading h1 {
    font-size: 3.2rem;
  }
  .year-group {
    display: block;
    margin-top: 3rem;
  }
  .year-label {
    position: static;
    margin-bottom: 1.2rem;
  }
  .year-label span {
    font-size: 2.5rem;
  }
  .archive-list article {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }
  .archive-list .round-arrow {
    display: none;
  }
  .category-index {
    grid-template-columns: 1fr;
  }
  .category-index a,
  .category-index a:nth-child(3n) {
    min-height: 92px;
    border-right: 0;
  }
  .category-post {
    grid-template-columns: 1fr 25px;
  }
  .category-post time {
    grid-column: 1 / -1;
  }
  .search-box kbd {
    display: none;
  }
  .search-results article {
    grid-template-columns: 1fr 30px;
    gap: 0.7rem;
  }
  .search-results time {
    grid-column: 1 / -1;
  }
  .post-header h1 {
    font-size: 2.8rem;
  }
  .post-footer {
    align-items: start;
    flex-direction: column;
    gap: 1.5rem;
  }
  .about-lead {
    grid-template-columns: 1fr;
  }
  .about-lead img {
    width: 210px;
  }
  .link-cards {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}