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

html:focus-within {
  scroll-behavior: smooth;
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

body {
  min-height: 100vh;
  line-height: 1.5;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

input,
button,
textarea,
select {
  font: inherit;
}

:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f5f5f5;
  --line: #d9d9d9;
  --line-strong: #111111;
  --text: #111111;
  --text-soft: #5d5d5d;
  --radius-lg: 0;
  --radius-md: 0;
  --radius-sm: 0;
  --container: 840px;
  --post-body: 640px;
}

body.site {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.site-main {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.page-head__copy h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.page-head__home {
  color: inherit;
  text-decoration: none;
}

.page-head__home:hover,
.page-head__home:focus-visible {
  color: inherit;
  text-decoration: none;
}

.page-head__lede {
  margin-top: 10px;
  color: var(--text-soft);
  max-width: 60ch;
}

.back-link {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--text-soft);
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--text);
}

.search-bar {
  width: min(100%, 420px);
  margin-bottom: 0;
}

.search-bar__field {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
}

.search-bar__field:focus-within {
  border-color: var(--line-strong);
}

.search-bar__input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
}

.search-bar__input::placeholder {
  color: #8a8a8a;
}

.search-bar__button {
  flex: none;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface-soft);
  color: var(--text);
}

.tag-filters {
  margin-bottom: 24px;
}

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

.tag-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  color: var(--text-soft);
  font-size: 0.9rem;
}

.tag-pill--active,
.tag-pill[aria-current="true"] {
  background: var(--text);
  border-color: var(--text);
  color: var(--surface);
}

.tag-pill:hover,
.tag-pill:focus-visible {
  color: var(--text);
  border-color: var(--line-strong);
}

.archive-section {
  margin-bottom: 24px;
}

.post-card,
.post-hero,
.empty-state,
.search-bar__field {
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
}

.post-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 420px;
  overflow: hidden;
}

.post-card__link {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
}

.post-card__media {
  flex: 0 0 auto;
  aspect-ratio: 1.85 / 1;
  overflow: hidden;
  background: #efefef;
}

.post-card__image,
.post-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-hero__fallback {
  width: 100%;
  height: 100%;
  background: #efefef;
}

.post-card__body {
  position: relative;
  z-index: 0;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
  gap: 8px;
  padding: 16px;
  background: var(--surface-soft);
  color: var(--text);
  pointer-events: none;
  overflow: hidden;
}

.post-card__meta {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-soft);
}

.post-card__title {
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text);
}

.post-card__excerpt,
.post-hero__lede,
.post-content {
  color: var(--text-soft);
}

.post-card__excerpt {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
}

.post-card__body .tag-list {
  margin-top: auto;
  position: relative;
  z-index: 2;
  pointer-events: auto;
}

.post-card__body .tag-list a {
  pointer-events: auto;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.empty-state {
  padding: 18px;
  color: var(--text-soft);
}

.post-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 4px 0;
}

.post-header .back-link {
  margin-bottom: 0;
  justify-self: start;
}

.post-header__date {
  justify-self: center;
  font-size: 1rem;
  color: var(--text-soft);
}

.post-header .tag-list {
  justify-self: end;
  justify-content: flex-end;
  margin: 0;
}

.post-hero {
  overflow: hidden;
}

.post-hero__media {
  width: 100%;
  aspect-ratio: 1.85 / 1;
  background: #efefef;
}

.post-content {
  width: min(100%, var(--post-body));
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
}

.post-content > * + * {
  margin-top: 1rem;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.post-content h1 {
  margin-top: 0.4em;
  font-size: 2.75rem;
}

.post-content h2 {
  margin-top: 1.6em;
  font-size: 1.75rem;
}

.post-content h3 {
  margin-top: 1.4em;
  font-size: 1.25rem;
}

.post-content p,
.post-content ul,
.post-content ol,
.post-content blockquote,
.post-content pre,
.post-content table {
  max-width: 70ch;
}

.post-content ul,
.post-content ol {
  padding-left: 1.25rem;
  list-style: disc;
}

.post-content ol {
  list-style: decimal;
}

.post-content blockquote {
  padding-left: 16px;
  border-left: 2px solid var(--line-strong);
  color: var(--text);
}

.post-content code {
  padding: 0.15em 0.35em;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #f6f6f6;
  color: var(--text);
  font-size: 0.94em;
}

.post-content pre {
  overflow-x: auto;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #f6f6f6;
  color: var(--text);
}

.post-content pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

.post-content a {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

@media (hover: hover) {
  .post-card,
  .tag-pill,
  .search-bar__button {
    transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
  }

  .post-card:hover,
  .post-card:focus-within {
    border-color: var(--line-strong);
    transform: translateY(-2px);
  }

  .tag-pill:hover,
  .tag-pill:focus-visible,
  .search-bar__button:hover,
  .search-bar__button:focus-visible {
    border-color: var(--line-strong);
    transform: translateY(-1px);
  }
}

@media (max-width: 960px) {
  .page-head {
    flex-direction: column;
    align-items: stretch;
  }

  .search-bar {
    width: 100%;
  }

  .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .post-header {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .post-header__date,
  .post-header .tag-list {
    justify-self: start;
  }
}

@media (max-width: 680px) {
  .site-main {
    width: min(calc(100% - 20px), var(--container));
    padding-top: 20px;
  }

  .archive-grid {
    grid-template-columns: 1fr;
  }

  .search-bar__field {
    flex-wrap: wrap;
  }

  .search-bar__button {
    width: 100%;
  }

}