:root {
  --paper: #fff;
  --ink: #000;
  --graphite: #565656;
  --rule: #d8d8d4;
  --field: #f4f4f1;
  --page-width: 74rem;
  --reading-width: 43rem;
}

:root[data-theme="dark"] {
  --paper: #0d0d0c;
  --ink: #f3f3ef;
  --graphite: #b8b8b2;
  --rule: #363633;
  --field: #181816;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  color-scheme: light;
  font-family: "Times New Roman", Times, serif;
  font-size: 18px;
  line-height: 1.62;
}

html[data-theme="dark"] {
  color-scheme: dark;
}

body {
  margin: 0;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

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

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

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

.header-inner,
.page-shell,
.article-masthead,
.article-figure {
  width: min(calc(100% - 3rem), var(--page-width));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  justify-content: flex-end;
  padding: 1.2rem 0 1.05rem;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  color: var(--graphite);
  font-size: 0.88rem;
  letter-spacing: 0.015em;
  text-decoration: none;
}

.theme-toggle {
  display: grid;
  width: 1rem;
  height: 1.45rem;
  margin: 0.02rem 0 0;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  place-items: center;
}

.theme-toggle-track {
  position: relative;
  display: block;
  width: 0.68rem;
  height: 1.18rem;
  border: 1px solid var(--graphite);
  border-radius: 999px;
}

.theme-toggle-knob {
  position: absolute;
  top: 0.14rem;
  left: 50%;
  width: 0.28rem;
  height: 0.28rem;
  border-radius: 50%;
  background: var(--ink);
  transform: translate(-50%, 0);
  transition: transform 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.24em;
}

.theme-toggle:hover .theme-toggle-track {
  border-color: var(--ink);
}

html[data-theme="dark"] .theme-toggle-knob {
  transform: translate(-50%, 0.57rem);
}

main {
  min-width: 0;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
figure,
blockquote {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  max-width: 44rem;
  margin-bottom: 1.6rem;
  font-size: clamp(3.2rem, 7vw, 5.4rem);
  font-weight: normal;
  line-height: 0.96;
  letter-spacing: -0.048em;
}

h2 {
  margin: 4rem 0 1.1rem;
  font-size: clamp(1.45rem, 3vw, 1.8rem);
  font-weight: normal;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 0.25rem;
  font-size: 1.08rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

p,
li,
dd {
  max-width: var(--reading-width);
}

.page-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 13rem;
  gap: clamp(4rem, 10vw, 8rem);
  padding: clamp(5rem, 10vw, 8rem) 0 7rem;
}

.page-shell > main {
  max-width: 48rem;
}

.lede {
  max-width: 40rem;
  margin-bottom: 3rem;
  color: var(--graphite);
  font-size: clamp(1.15rem, 2.4vw, 1.35rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.home-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(10rem, 13.5rem);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
  max-width: var(--reading-width);
}

.home-intro h1 {
  margin-bottom: 1.25rem;
}

.home-intro .lede {
  margin-bottom: 0;
}

.portrait {
  margin: 0;
}

.portrait img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}

.portrait-dark {
  display: none !important;
}

html[data-theme="dark"] .portrait-light {
  display: none;
}

html[data-theme="dark"] .portrait-dark {
  display: block !important;
  mix-blend-mode: normal;
}

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

.plain-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem 2rem;
  padding: 1.45rem 0 1.55rem;
  border-bottom: 1px solid var(--rule);
}

.plain-list h3,
.plain-list p {
  grid-column: 1;
}

.plain-list h3 a {
  text-decoration: none;
}

.plain-list h3 a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.plain-list p {
  margin: 0;
  color: var(--graphite);
}

.entry-meta {
  grid-column: 2;
  grid-row: 1;
  color: var(--graphite);
  font-size: 0.82rem;
  font-style: italic;
  white-space: nowrap;
}

profile-card {
  display: block;
  align-self: start;
}

.sidebar {
  position: relative;
  padding: 0.15rem 0 0.25rem 1.35rem;
}

.sidebar::before {
  position: absolute;
  top: 0.15rem;
  bottom: 0.25rem;
  left: 0;
  width: 1px;
  background: var(--ink);
  content: "";
  opacity: 0.4;
}

.sidebar h2 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
  font-weight: bold;
  letter-spacing: -0.01em;
}

.sidebar p {
  margin-bottom: 1.25rem;
  color: var(--graphite);
  font-size: 0.88rem;
  line-height: 1.5;
}

.sidebar dl {
  margin-bottom: 0;
  font-size: 0.84rem;
}

.sidebar dt {
  margin-top: 0.9rem;
  color: var(--graphite);
  font-style: italic;
}

.sidebar dd {
  margin-left: 0;
}

/* article template */

.article-masthead {
  padding: clamp(5rem, 10vw, 8.5rem) 0 clamp(3rem, 7vw, 5.5rem);
}

.article-masthead-grid {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) minmax(0, 42rem);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
}

.article-meta {
  color: var(--graphite);
  font-size: 0.9rem;
}

.article-meta time,
.article-meta span {
  display: block;
}

.article-meta .article-deck {
  max-width: 22rem;
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.5;
}

.article-title {
  max-width: 42rem;
  margin: 0;
  font-size: clamp(3rem, 6vw, 5rem);
}

.article-figure {
  margin-bottom: clamp(5rem, 10vw, 8rem);
}

.figure-plate {
  display: grid;
  min-height: clamp(19rem, 42vw, 34rem);
  margin: 0;
  padding: clamp(1.5rem, 5vw, 4rem);
  background: var(--field);
  place-items: center;
}

.figure-plate svg {
  display: block;
  width: min(100%, 58rem);
  height: auto;
}

.figure-caption {
  width: min(100%, var(--reading-width));
  margin: 0.8rem auto 0;
  color: var(--graphite);
  font-size: 0.82rem;
  line-height: 1.45;
  text-align: center;
}

.article-body {
  width: min(calc(100% - 3rem), var(--reading-width));
  margin-inline: auto;
  padding-bottom: 8rem;
  font-size: 1.06rem;
  line-height: 1.72;
}

.article-body > p {
  margin-bottom: 1.55rem;
}

.article-body h2 {
  margin-top: 5rem;
  font-size: clamp(1.9rem, 4vw, 2.45rem);
  line-height: 1.08;
}

.article-body blockquote {
  margin: 3rem 0;
  padding-left: 1.35rem;
  border-left: 1px solid var(--ink);
  font-size: 1.22rem;
  line-height: 1.55;
}

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

.abstract {
  margin-bottom: 4.5rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

.abstract h2 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  font-style: italic;
  letter-spacing: 0;
}

.abstract p {
  margin: 0;
}

.article-end {
  margin-top: 5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ink);
  color: var(--graphite);
  font-size: 0.88rem;
  font-style: italic;
}

@media (max-width: 760px) {
  html {
    font-size: 17px;
  }

  .header-inner,
  .page-shell,
  .article-masthead,
  .article-figure {
    width: min(calc(100% - 2rem), var(--page-width));
  }

  .header-inner {
    justify-content: flex-start;
  }

  .site-nav ul {
    gap: 0.15rem 0.8rem;
  }

  .site-nav a {
    font-size: 0.84rem;
  }

  .page-shell {
    grid-template-columns: 1fr;
    gap: 4rem;
    padding: 4rem 0 5rem;
  }

  .home-intro {
    grid-template-columns: minmax(0, 1fr) 9rem;
    gap: 1rem;
  }

  .sidebar {
    max-width: 20rem;
  }

  .article-masthead-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .article-title {
    grid-row: 1;
  }

  .article-meta {
    grid-row: 2;
  }

  .article-figure {
    width: 100%;
  }

  .figure-plate {
    min-height: 17rem;
  }

  .article-body {
    width: min(calc(100% - 2rem), var(--reading-width));
    padding-bottom: 5rem;
  }
}

@media (min-width: 761px) and (max-width: 1050px) {
  .home-intro {
    grid-template-columns: 1fr;
  }

  .portrait {
    width: 11rem;
  }
}

@media (max-width: 480px) {
  .home-intro {
    grid-template-columns: 1fr;
  }

  .portrait {
    width: 10rem;
  }

  .plain-list li {
    grid-template-columns: 1fr;
  }

  .entry-meta {
    grid-column: 1;
    grid-row: auto;
  }
}

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

@media (min-width: 1051px) {
  .portrait {
    transform: translateX(-1.1rem);
  }
}