:root {
  --foreground: #000000;
  --background: #ffffff;
  --primary: #767676;
  --secondary: #dddddd;
  --space-10: 8px;
  --space-20: 12px;
  --space-30: 16px;
  --space-40: 24px;
  --space-50: 32px;
  --space-60: clamp(32px, 7.5vw, 40px);
  --space-70: clamp(40px, 9vw, 56px);
  --space-80: clamp(64px, 10.5vw, 80px);
  --content-size: 620px;
  --wide-size: 1240px;
}

@font-face {
  font-family: "PT Serif";
  font-style: normal;
  font-weight: 400;
  src: url("./fonts/pt-serif/pt-serif-v17-latin-regular.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: "PT Serif";
  font-style: italic;
  font-weight: 500;
  src: url("./fonts/pt-serif/pt-serif-v17-latin-italic.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: "PT Serif";
  font-style: normal;
  font-weight: 700;
  src: url("./fonts/pt-serif/pt-serif-v17-latin-700.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: "PT Serif";
  font-style: italic;
  font-weight: 700;
  src: url("./fonts/pt-serif/pt-serif-v17-latin-700italic.woff2") format("woff2");
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--background);
  color: var(--foreground);
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-family: "PT Serif", ui-serif, Georgia, serif;
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.5;
  padding: var(--space-50);
}

a {
  color: inherit;
  text-underline-offset: 0.15em;
}

a:hover,
a:focus {
  text-decoration: none;
}

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

.site-shell {
  max-width: var(--wide-size);
  margin: 0 auto;
}

.stack {
  max-width: var(--content-size);
  margin: 0 auto;
}

.site-header {
  padding-top: 0;
  padding-bottom: var(--space-40);
}

.nav-shell {
  position: relative;
}

.nav-toggle {
  display: none;
  margin: 0 auto var(--space-40);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--foreground);
  font: inherit;
  cursor: pointer;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-50);
  margin-bottom: var(--space-80);
}

.nav a {
  font-size: 0.9rem;
  text-decoration: none;
}

.nav a:hover,
.nav a:focus {
  text-decoration: underline;
}

.archive-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-50);
}

.archive-links a {
  font-size: 1.2rem;
}

.brand {
  text-align: center;
  margin-bottom: var(--space-30);
}

.brand h1 {
  margin: 0;
  font-size: clamp(24px, 3vw, 36px);
}

.brand p {
  margin: 1em 0 0;
  color: var(--primary);
}

.separator-wrap {
  width: 100px;
  margin: 0 auto;
}

.davis-separator {
  border: none;
  border-bottom: 0.5px solid var(--secondary);
  border-top: 0.5px solid var(--secondary);
  overflow: visible;
  position: relative;
  margin: var(--space-40) 0;
}

main .davis-separator {
  margin: var(--space-40) 0;
}

.davis-separator::before,
.davis-separator::after {
  content: "";
  width: 12px;
  height: 12px;
  position: absolute;
  top: calc(50% - 6px);
  transform: rotate(45deg);
  border: 1px solid var(--secondary);
  background: var(--background);
}

.davis-separator::before {
  left: calc(50% - 14px);
}

.davis-separator::after {
  left: calc(50% + 2px);
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-item {
  margin-bottom: var(--space-80);
}

.archive-month-item {
  margin: 0 0 var(--space-30);
}

.archive-month {
  margin: 0 0 var(--space-30);
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
}

.year-item {
  margin-bottom: var(--space-60);
}

.year-header {
  text-align: left;
  font-size: 1rem;
  font-weight: 400;
  margin: 0 0 var(--space-20);
}

.year-posts {
  list-style: disc;
  margin: 0 0 var(--space-40);
  padding: 0 0 0 1.2em;
}

.year-post {
  margin: 0.25em 0;
}

.year-date {
  color: var(--primary);
  margin-right: 0.35em;
}

.year-link {
  text-decoration: underline;
}

.post-title {
  text-align: center;
  margin: 0 0 var(--space-30);
  font-size: clamp(16px, 1.4vw, 18px);
  font-weight: 700;
}

.post-excerpt {
  margin: var(--space-30) 0;
}

.post-meta {
  text-align: center;
  color: var(--primary);
  font-size: 0.95rem;
}

.post-taxonomy {
  text-align: center;
  color: var(--primary);
  margin: 0.35em 0;
  font-size: 0.95rem;
}

.post-taxonomy a {
  color: inherit;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1em;
  margin-top: var(--space-60);
}

.pagination a,
.pagination span {
  color: var(--primary);
}

.pagination a.is-disabled {
  pointer-events: none;
  opacity: 0.45;
}

main {
  margin: 0;
}

.article {
  max-width: var(--content-size);
  margin: 0 auto;
}

.article h1 {
  text-align: center;
  font-size: clamp(16px, 1.5vw, 18px);
  margin: 0 0 var(--space-30);
}

.article figure {
  margin: var(--space-30) 0;
}

.article figcaption {
  color: var(--primary);
  font-size: 0.9rem;
  text-align: center;
  margin-top: 0.5em;
}

.archive-header,
.page-header,
.error-header,
.search-header {
  text-align: center;
}

.archive-header {
  margin-top: 0;
}

.archive-header h2,
.archive-header p {
  margin: 0.4em 0;
}

.archive-header + .separator-wrap .davis-separator {
  margin: var(--space-40) 0;
}

.search-box {
  max-width: 400px;
  margin: 0 auto;
  display: flex;
  border: 1px solid var(--foreground);
}

.search-box input {
  flex: 1;
  border: 0;
  padding: 0.6em;
  font: inherit;
}

.search-box button {
  border: 0;
  border-left: 1px solid var(--foreground);
  padding: 0.6em 0.9em;
  background: var(--foreground);
  color: var(--background);
  font: inherit;
  cursor: pointer;
}

.site-footer {
  padding-top: var(--space-70);
}

.site-footer p {
  margin: 0;
  text-align: center;
}

.credits {
  color: var(--primary);
  margin-top: var(--space-20);
  font-style: italic;
}

@media (max-width: 768px) {
  body {
    padding: var(--space-40);
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    display: none;
    gap: var(--space-30);
    margin-bottom: var(--space-50);
  }

  .nav.is-open {
    display: flex;
    flex-direction: column;
  }
}