:root {
  color-scheme: light;
  --background: #f4f7f2;
  --surface: #fffffb;
  --surface-muted: #edf3ee;
  --text: #1c231f;
  --body-text: #26302b;
  --muted: #66716d;
  --quiet: #88938d;
  --line: #cbd7cf;
  --line-soft: #dde6df;
  --accent: #0f746b;
  --accent-strong: #095c55;
  --accent-blue: #355f8a;
  --accent-red: #9a3f3c;
  --code-bg: #edf4ef;
  --code-text: #183c34;
  --pre-bg: #14211d;
  --pre-text: #edf7f2;
  --shadow: 0 24px 70px rgba(28, 43, 35, 0.12);
  --measure: 43.5rem;
  --shell: 65rem;
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--background);
  color: var(--text);
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body {
  background:
    linear-gradient(to bottom, rgba(255, 255, 251, 0.96), rgba(244, 247, 242, 0) 18rem),
    linear-gradient(to right, rgba(15, 116, 107, 0.1), rgba(15, 116, 107, 0) 32rem);
  margin: 0;
  min-width: 320px;
}

a {
  color: var(--accent-strong);
  text-decoration-color: rgba(15, 116, 107, 0.35);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
  text-decoration-color: currentColor;
}

img,
svg {
  max-width: 100%;
}

::selection {
  background: rgba(15, 116, 107, 0.18);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  transform: translateY(-150%);
  background: var(--text);
  color: var(--surface);
  border-radius: 6px;
  padding: 0.6rem 0.8rem;
  text-decoration: none;
  z-index: 20;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 251, 0.9);
  backdrop-filter: blur(14px) saturate(130%);
}

.site-nav {
  width: min(100% - 2rem, var(--shell));
  margin: 0 auto;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 760;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  box-shadow: inset 0 -2px 0 rgba(15, 116, 107, 0.08);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  color: var(--muted);
  font-size: 0.93rem;
  min-width: 0;
}

.nav-links a {
  position: relative;
  color: inherit;
  padding: 0.35rem 0;
  text-decoration: none;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 0.08rem;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: 0;
  transform: scaleX(0.65);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent-strong);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-links a.is-active {
  color: var(--text);
}

:where(a, button):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.page-shell {
  width: min(100% - 2rem, var(--shell));
  margin: 0 auto;
  padding: 4.75rem 0 5.5rem;
}

.intro {
  position: relative;
  max-width: 48rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 3.25rem;
  padding: 2.25rem 0 2.35rem;
}

.intro::before {
  position: absolute;
  top: -1px;
  left: 0;
  width: 7rem;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-blue), var(--accent-red));
  content: "";
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--text);
  font-family: Georgia, Cambria, "Times New Roman", serif;
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  text-wrap: balance;
}

.intro p:not(.eyebrow),
.article-header p {
  max-width: 39rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.post-list {
  display: block;
  counter-reset: posts;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.post-list-item {
  counter-increment: posts;
}

.post-list-link {
  position: relative;
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 1.4rem;
  align-items: start;
  border-bottom: 1px solid var(--line-soft);
  color: inherit;
  padding: 1.4rem 0 1.5rem;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    background 160ms ease;
}

.post-list-link::before {
  position: absolute;
  top: 1.55rem;
  left: 0;
  color: var(--accent);
  content: counter(posts, decimal-leading-zero);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.76rem;
}

.post-list-link:hover,
.post-list-link:focus-visible {
  border-color: var(--line);
  background: linear-gradient(to right, rgba(15, 116, 107, 0.055), rgba(15, 116, 107, 0));
}

.post-date {
  color: var(--quiet);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86rem;
  line-height: 1.6;
  padding-left: 2.2rem;
}

.post-copy {
  display: grid;
  gap: 0.5rem;
  min-width: 0;
}

.post-title {
  color: var(--text);
  font-size: 1.34rem;
  font-weight: 760;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.post-title::after {
  display: inline-block;
  width: 0.42rem;
  height: 0.42rem;
  margin-left: 0.45rem;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  content: "";
  opacity: 0;
  transform: translateY(-0.12rem) rotate(45deg);
  transition: opacity 160ms ease;
}

.post-list-link:hover .post-title::after,
.post-list-link:focus-visible .post-title::after {
  opacity: 1;
}

.post-summary {
  max-width: 44rem;
  color: var(--muted);
  line-height: 1.6;
}

.post-tags,
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.8rem;
  align-items: center;
}

.post-tag {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(255, 255, 251, 0.68);
  color: var(--accent-blue);
  font-size: 0.78rem;
  line-height: 1.4;
  padding: 0.12rem 0.38rem;
}

.article-meta {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
}

.empty-state {
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 1.2rem;
}

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

.article-header {
  display: grid;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.1rem;
  padding-bottom: 2rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: max-content;
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.back-link::before {
  width: 0.45rem;
  height: 0.45rem;
  border-bottom: 1.5px solid currentColor;
  border-left: 1.5px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.article-header h1 {
  font-size: 3.25rem;
  line-height: 1.05;
}

.article-header p {
  margin: 0;
}

.cover-image {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: var(--shadow);
  margin: 2rem auto 2.6rem;
}

.article-content {
  color: var(--body-text);
  font-size: 1.06rem;
  line-height: 1.85;
  overflow-wrap: break-word;
}

.article-content > :first-child {
  margin-top: 0;
}

.article-content :where(h2, h3) {
  color: var(--text);
  font-family: Georgia, Cambria, "Times New Roman", serif;
  line-height: 1.2;
  letter-spacing: 0;
  text-wrap: balance;
}

.article-content h2 {
  border-top: 1px solid var(--line-soft);
  font-size: 1.85rem;
  margin: 2.6rem 0 1rem;
  padding-top: 1.35rem;
}

.article-content h3 {
  color: var(--accent-strong);
  font-size: 1.36rem;
  margin: 2.1rem 0 0.8rem;
}

.article-content :where(p, ul, ol, blockquote, pre, table) {
  margin: 1.15rem 0;
}

.article-content :where(ul, ol) {
  padding-left: 1.35rem;
}

.article-content li + li {
  margin-top: 0.42rem;
}

.article-content li::marker {
  color: var(--accent);
  font-weight: 700;
}

.article-content a {
  font-weight: 650;
}

.article-content blockquote {
  border-left: 3px solid var(--accent);
  color: var(--muted);
  padding: 0.15rem 0 0.15rem 1rem;
}

.article-content :where(code, pre) {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.article-content :not(pre) > code {
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 0.92em;
  padding: 0.12rem 0.32rem;
}

.article-content pre {
  border: 1px solid rgba(237, 247, 242, 0.14);
  border-radius: 6px;
  background: var(--pre-bg);
  color: var(--pre-text);
  font-size: 0.92rem;
  line-height: 1.7;
  overflow-x: auto;
  padding: 1rem;
}

.article-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.article-content hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
}

.article-content :where(th, td) {
  border: 1px solid var(--line);
  padding: 0.58rem 0.7rem;
  text-align: left;
}

.article-content th {
  background: var(--surface-muted);
  color: var(--text);
}

.article-content img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: var(--shadow);
  margin: 1.6rem auto;
}

.article-content p:has(img) {
  margin: 2rem 0;
}

.article-content :where(strong, b) {
  color: var(--text);
  font-weight: 760;
}

@media (max-width: 760px) {
  body {
    background: linear-gradient(to bottom, rgba(255, 255, 251, 0.96), var(--background) 15rem);
  }

  .site-nav {
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
    padding: 1rem 0;
    gap: 0.85rem;
  }

  .nav-links {
    width: 100%;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.1rem;
  }

  .page-shell {
    width: min(100% - 1.5rem, var(--shell));
    padding: 3rem 0 4rem;
  }

  .intro {
    margin-bottom: 2.35rem;
    padding: 1.65rem 0 1.75rem;
  }

  h1 {
    font-size: 2.45rem;
    line-height: 1.05;
  }

  .intro p:not(.eyebrow),
  .article-header p {
    font-size: 1rem;
  }

  .post-list-link {
    grid-template-columns: 1fr;
    gap: 0.38rem;
    padding: 1.18rem 0 1.25rem;
  }

  .post-list-link::before {
    top: 1.25rem;
  }

  .post-date {
    padding-left: 2rem;
  }

  .post-title {
    font-size: 1.16rem;
  }

  .article {
    max-width: none;
  }

  .article-header {
    margin-bottom: 1.7rem;
    padding-bottom: 1.7rem;
  }

  .article-header h1 {
    font-size: 2.25rem;
  }

  .cover-image {
    margin: 1.55rem 0 2rem;
  }

  .article-content {
    font-size: 1rem;
    line-height: 1.78;
  }

  .article-content h2 {
    font-size: 1.48rem;
  }

  .article-content h3 {
    font-size: 1.22rem;
  }
}

@media (max-width: 420px) {
  .brand-mark {
    width: 1.85rem;
  }

  .nav-links {
    justify-content: space-between;
  }

  h1 {
    font-size: 2.22rem;
  }

  .article-header h1 {
    font-size: 2.02rem;
  }
}