.post-page {
  padding-top: 7.5rem;
  padding-bottom: 3rem;
}

.post-nav {
  gap: clamp(1rem, 2.4vw, 2rem);
}

.post-header {
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(1.75rem, 4vw, 2.75rem);
}

.post-header h1 {
  max-width: 22ch;
  margin-bottom: 1.25rem;
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
}

.post-header__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1.5rem;
  color: var(--ink);
  font-family: var(--ui);
  font-size: 0.78rem;
  font-weight: 620;
}

.post-header__meta > * {
  padding: 0 0.85rem;
  border-left: 2px solid var(--line);
}

.post-header__meta > *:first-child {
  padding-left: 0;
  border-left: 0;
}

.post-header__dek {
  max-width: 38rem;
  margin-bottom: 1.75rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.7;
}

.post-byline {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.post-byline__mark,
.post-author__mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--ink);
  border-radius: 50% 46% 52% 48% / 48% 52% 46% 50%;
  color: var(--ink);
  background: var(--card);
  box-shadow: 2px 2px 0 var(--ink);
  font-family: var(--ui);
  font-size: 0.7rem;
  font-weight: 700;
}

.post-byline > span:last-child {
  display: grid;
}

.post-byline strong {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 650;
}

.post-byline small {
  color: var(--dim);
  font-family: var(--ui);
  font-size: 0.72rem;
}

.post-hero {
  margin: 0;
  border: 2px solid var(--ink);
  border-radius: var(--r-card);
  background: var(--card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.post-hero-image {
  width: 100%;
  aspect-ratio: 1.9 / 1;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
}

.post-reading-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: start;
  padding: clamp(2.25rem, 5vw, 3.5rem) 0;
}

.post-toc details {
  padding: 0.9rem 1rem;
  border: 2px solid var(--ink);
  border-radius: var(--r-card);
  background: var(--card);
  box-shadow: var(--shadow-btn);
}

.post-toc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0;
  cursor: pointer;
}

.post-toc summary::after {
  content: "+";
  color: var(--ink);
  font-family: var(--ui);
  font-size: 1rem;
}

.post-toc details[open] summary::after {
  content: "-";
}

.post-toc nav {
  margin-top: 1rem;
}

.post-toc summary {
  color: var(--ink);
  font-family: var(--ui);
  font-size: 0.82rem;
  font-weight: 680;
  list-style: none;
}

.post-toc summary::-webkit-details-marker {
  display: none;
}

.post-toc ol {
  display: grid;
  gap: 0.72rem;
  margin: 0;
  padding: 0 0 0 0.85rem;
  border-left: 2px dashed var(--line);
  list-style: none;
}

.post-toc li {
  line-height: 1.35;
}

.post-toc a {
  display: block;
  color: var(--muted);
  font-family: var(--ui);
  font-size: 0.78rem;
  text-decoration: none;
}

.post-toc a:hover,
.post-toc a:focus-visible {
  color: var(--ink);
  background: var(--ink-tint);
}

.post-toc__subitem {
  padding-left: 0.75rem;
}

.post-body {
  min-width: 0;
  font-size: clamp(1rem, 1.35vw, 1.08rem);
  line-height: 1.85;
}

.post-body > p:first-child {
  margin-bottom: 2rem;
  color: var(--ink);
  font-size: clamp(1.15rem, 1.8vw, 1.32rem);
  line-height: 1.65;
}

.post-body h2,
.post-body h3 {
  max-width: none;
  scroll-margin-top: 7rem;
}

.post-body h2 {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  font-size: clamp(1.45rem, 3vw, 1.75rem);
  line-height: 1.2;
}

.post-body h3 {
  margin-top: 2.2rem;
  font-size: clamp(1.15rem, 2vw, 1.3rem);
  line-height: 1.3;
}

.post-body p,
.post-body li {
  color: var(--ink);
}

.post-body img {
  width: 100%;
  margin: 2.5rem 0;
  border: 2px solid var(--ink);
  border-radius: var(--r-card);
}

.post-body figure {
  margin: 2.5rem 0;
}

.post-body figure img {
  margin-bottom: 0.75rem;
}

.post-body figcaption {
  color: var(--dim);
  font-family: var(--ui);
  font-size: 0.78rem;
  line-height: 1.5;
}

.post-body table {
  width: 100%;
  margin: 2.5rem 0;
  border-collapse: collapse;
  color: var(--ink);
  font-size: 0.9rem;
}

.post-body th,
.post-body td {
  padding: 0.8rem 0.65rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.post-body th {
  color: var(--ink);
  font-family: var(--ui);
  font-size: 0.8rem;
  font-weight: 680;
}

.post-body p,
.post-body ul,
.post-body ol,
.post-body pre,
.post-body blockquote {
  margin-bottom: 1.55rem;
}

.post-body li + li {
  margin-top: 0.55rem;
}

.post-body code {
  color: var(--ink);
  background: var(--ink-tint);
  padding: 0.08rem 0.28rem;
  border-radius: 0.4rem 0.15rem 0.45rem 0.2rem;
  font-family: var(--mono);
  font-size: 0.88em;
}

.post-body pre {
  overflow-x: auto;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 2px solid var(--ink);
  border-radius: var(--r-card);
  background: var(--card);
  box-shadow: var(--shadow-btn);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.65;
  tab-size: 2;
}

.post-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

.post-body blockquote {
  margin: 2.5rem 0;
  padding: 0.35rem 0 0.35rem clamp(1.25rem, 4vw, 2rem);
  border-left: 3px solid var(--ink);
  color: var(--ink);
  font-family: var(--font);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-weight: 520;
  line-height: 1.5;
}

.post-body hr {
  margin: 4rem 0;
  border: 0;
  border-top: 2px dashed var(--line);
}

.post-body :target {
  background: var(--ink-tint);
}

.post-share {
  margin-top: clamp(4rem, 8vw, 6rem);
  padding-top: 1.5rem;
  border-top: 2px dashed var(--line);
}

.post-share h2 {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.2;
}

.post-share__links,
.post-author__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.post-share__links a,
.post-author__links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 0.9rem;
  border: 2px solid var(--ink);
  border-radius: var(--r-btn);
  background: var(--card);
  box-shadow: 2px 2px 0 var(--ink);
  color: var(--ink);
  font-family: var(--ui);
  font-size: 0.78rem;
  font-weight: 640;
  text-decoration: none;
}

.post-share__links a:hover,
.post-share__links a:focus-visible,
.post-author__links a:hover,
.post-author__links a:focus-visible {
  background: var(--ink);
  color: var(--card);
}

.post-share__links a:active,
.post-author__links a:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

.post-author {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 1.75rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 2.25rem) 0;
  border-top: 2px dashed var(--line);
  border-bottom: 2px dashed var(--line);
}

.post-author__mark {
  width: 64px;
  height: 64px;
  font-size: 0.85rem;
}

.post-author p {
  max-width: 42rem;
  margin-bottom: 0;
  font-size: 0.92rem;
  line-height: 1.6;
}

.post-author div > p:first-child {
  color: var(--dim);
  font-family: var(--ui);
  font-size: 0.74rem;
  font-weight: 620;
}

.post-author h2 {
  max-width: none;
  margin: 0.1rem 0 0.4rem;
  font-size: clamp(1.25rem, 2.4vw, 1.5rem);
}

.post-related {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
}

.post-related__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.post-related__header h2 {
  max-width: none;
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 1.75rem);
}

.post-related__header > a {
  flex: 0 0 auto;
  color: var(--ink);
  font-family: var(--ui);
  font-size: 0.82rem;
  font-weight: 640;
  text-decoration: none;
}

.post-related__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}

.post-related__item > a {
  display: grid;
  grid-template-columns: minmax(7rem, 0.38fr) minmax(0, 1fr);
  gap: 1rem;
  padding: clamp(1rem, 2.2vw, 1.4rem);
  border: 2px solid var(--ink);
  border-radius: var(--r-card);
  background: var(--card);
  box-shadow: var(--shadow-btn);
  color: inherit;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.post-related__item > a:hover {
  background: var(--card);
  transform: translate(-1px, -3px);
  box-shadow: 5px 6px 0 rgba(30, 29, 26, 0.9);
}

@media (prefers-reduced-motion: reduce) {
  .post-related__item > a:hover {
    transform: none;
  }
}

.post-related__item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 2px solid var(--ink);
  border-radius: 0.6rem 0.9rem 0.7rem 1rem / 0.9rem 0.6rem 1rem 0.7rem;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
}

.post-related__item > a > span {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
}

.post-related__item small {
  margin-bottom: 0.55rem;
  color: var(--dim);
  font-family: var(--ui);
  font-size: 0.72rem;
  font-weight: 620;
}

.post-related__item strong {
  margin-bottom: 0.55rem;
  color: var(--ink);
  font-family: var(--font);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 680;
  line-height: 1.2;
}

.post-related__item span span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.post-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 2px dashed var(--line);
  color: var(--muted);
  font-family: var(--ui);
  font-size: 0.82rem;
  font-weight: 620;
}

.post-footer a {
  text-decoration: none;
}

@media (max-width: 900px) {
  .post-footer {
    flex-direction: column;
  }

  .post-page {
    padding-top: 5.5rem;
  }

  .post-header {
    padding-top: 2rem;
  }

  .post-hero-image {
    aspect-ratio: 16 / 9;
  }

  .post-related__list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .post-header__meta {
    display: grid;
    gap: 0.3rem;
  }

  .post-header__meta > * {
    padding: 0;
    border-left: 0;
  }

  .post-header__dek {
    font-size: 1rem;
  }

  .post-reading-layout {
    padding-top: 2.5rem;
  }

  .post-author {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .post-author__links {
    grid-column: 1 / -1;
  }

  .post-related__header {
    display: grid;
    align-items: start;
  }

  .post-related__item > a {
    grid-template-columns: minmax(6.5rem, 0.38fr) minmax(0, 1fr);
  }
}