:root {
  color-scheme: light;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --quiet: #86868b;
  --blue: #0066cc;
  --white: #ffffff;
  --soft: #f5f5f7;
  --paper: #fbfbfd;
  --line: rgba(0, 0, 0, 0.09);
  --line-strong: rgba(0, 0, 0, 0.14);
  --nav: rgba(250, 250, 252, 0.86);
  --max: 920px;
  --reading: 760px;
  --nav-height: 48px;
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--soft);
  color: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0;
}

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

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

.global-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 18px;
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0 22px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: var(--nav);
  color: rgba(0, 0, 0, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 42% 34%, #ffffff 0 12%, transparent 13%),
    linear-gradient(145deg, #1d1d1f, #7d8794 56%, #bdeee6);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
  font-size: 0.76rem;
  font-weight: 500;
  white-space: nowrap;
}

.nav-links a,
.footer a,
.text-link,
.back-link {
  color: var(--blue);
}

.nav-links a {
  color: rgba(0, 0, 0, 0.7);
}

.nav-links a:hover {
  color: #000000;
}

.locale-menu {
  position: relative;
  flex: 0 0 auto;
}

.locale-menu summary {
  width: 34px;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(29, 29, 31, 0.12);
  border-radius: 999px;
  color: #515154;
  background: rgba(255, 255, 255, 0.58);
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  list-style: none;
}

.locale-menu summary::-webkit-details-marker {
  display: none;
}

.locale-menu[open] summary,
.locale-menu summary:hover {
  color: #000000;
  background: #ffffff;
}

.locale-menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 120;
  width: 158px;
  display: grid;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.12);
  backdrop-filter: saturate(180%) blur(18px);
}

.locale-menu-panel a {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 5px 8px;
  border-radius: 6px;
  color: #515154;
  font-size: 0.78rem;
  font-weight: 650;
}

.locale-menu-panel a span {
  width: 24px;
  color: var(--quiet);
  font-size: 0.68rem;
  font-weight: 800;
}

.locale-menu-panel a:hover,
.locale-menu-panel a[aria-current="page"] {
  background: var(--soft);
  color: var(--ink);
}

.blog-shell {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0 22px;
  background: var(--paper);
}

.blog-masthead {
  display: grid;
  gap: 12px;
  max-width: 760px;
  padding: 54px 0 34px;
  border-bottom: 1px solid var(--line-strong);
}

.kicker {
  margin: 0;
  color: var(--quiet);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

h1 {
  max-width: 820px;
  font-size: clamp(2.45rem, 5vw, 4.4rem);
  line-height: 1.02;
  font-weight: 750;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  font-size: 1.28rem;
  line-height: 1.18;
  font-weight: 750;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.86rem);
  line-height: 1.14;
  font-weight: 750;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.blog-masthead p:not(.kicker),
.post-card p,
.article-description {
  color: var(--muted);
}

.blog-masthead p:not(.kicker) {
  max-width: 680px;
  font-size: 1.18rem;
  line-height: 1.42;
  font-weight: 500;
}

.blog-layout {
  display: grid;
  gap: 44px;
  padding: 38px 0 84px;
}

.feed-column {
  min-width: 0;
}

.post-list {
  display: grid;
}

.post-card {
  display: grid;
  gap: 12px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.post-card h3 a:hover {
  color: var(--blue);
}

.post-card p {
  max-width: 700px;
  font-size: 1.02rem;
  line-height: 1.5;
}

.empty-state {
  display: grid;
  gap: 10px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.empty-state h3 {
  font-size: 1.44rem;
}

.empty-state p {
  max-width: 620px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--quiet);
  font-size: 0.78rem;
  font-weight: 700;
}

.card-tags,
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-tags a,
.card-tags span,
.article-tags a,
.tag-cloud a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #515154;
  background: rgba(255, 255, 255, 0.64);
  font-size: 0.78rem;
  font-weight: 700;
}

.card-tags a,
.card-tags span,
.article-tags a {
  padding: 4px 9px;
}

.text-link::after {
  content: " >";
}

.topic-section {
  display: grid;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

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

.tag-cloud a {
  gap: 8px;
  padding: 5px 10px;
}

.tag-cloud span {
  color: var(--blue);
}

.article-shell,
.tag-page,
.related-posts {
  width: min(var(--reading), 100%);
  margin: 0 auto;
}

.article-shell,
.tag-page {
  padding: 54px 0 76px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 28px;
  font-size: 0.92rem;
  font-weight: 700;
}

.back-link::before {
  content: "< ";
}

.article-header {
  display: grid;
  gap: 16px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line-strong);
}

.article-header h1,
.tag-page h1 {
  font-size: clamp(2.28rem, 5vw, 4.05rem);
}

.article-description {
  font-size: 1.16rem;
  line-height: 1.48;
  font-weight: 500;
}

.article-body {
  margin-top: 46px;
  color: #2f2f33;
}

.article-body h2 {
  margin-top: 48px;
  font-size: 1.72rem;
  line-height: 1.18;
}

.article-body h3 {
  margin-top: 36px;
  font-size: 1.34rem;
}

.article-body p,
.article-body li,
.article-body blockquote {
  color: #3f3f43;
  font-size: 1.08rem;
  line-height: 1.78;
}

.article-body p {
  margin-top: 20px;
}

.article-body ul,
.article-body ol {
  margin: 22px 0 0;
  padding-left: 1.45rem;
}

.article-body li + li {
  margin-top: 8px;
}

.article-body a {
  color: var(--blue);
}

.article-body code {
  padding: 0.12em 0.34em;
  border-radius: 6px;
  background: var(--soft);
  color: var(--ink);
  font-size: 0.95em;
}

.article-body pre {
  overflow-x: auto;
  margin: 28px 0 0;
  padding: 20px;
  border-radius: 8px;
  background: #101113;
  color: #f5f5f7;
}

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

.article-body blockquote {
  margin: 28px 0 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid var(--blue);
  color: var(--muted);
}

.related-posts {
  padding: 0 0 76px;
}

.related-posts h2 {
  margin: 4px 0 18px;
}

.tag-page {
  display: grid;
  gap: 16px;
}

.tag-page .post-list {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.footer {
  width: min(var(--max), 100%);
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin: 0 auto;
  padding: 0 22px;
  color: #86868b;
  font-size: 0.82rem;
  background: var(--soft);
}

.footer a {
  color: #515154;
}

@media (max-width: 734px) {
  :root {
    --nav-height: 52px;
  }

  body {
    font-size: 16px;
  }

  .global-nav {
    padding: 0 16px;
  }

  .nav-links {
    gap: 16px;
    font-size: 0.72rem;
  }

  .nav-links a:first-child {
    display: none;
  }

  .blog-shell {
    padding: 0 18px;
  }

  .blog-masthead {
    padding: 42px 0 28px;
  }

  .blog-masthead p:not(.kicker) {
    font-size: 1.06rem;
  }

  .blog-layout {
    padding: 28px 0 68px;
  }

  .post-card {
    padding: 24px 0;
  }

  .article-shell,
  .tag-page {
    padding: 42px 0 64px;
  }

  .article-description {
    font-size: 1.08rem;
  }

  .article-body {
    margin-top: 38px;
  }

  .article-body h2 {
    font-size: 1.5rem;
  }

  .article-body p,
  .article-body li,
  .article-body blockquote {
    font-size: 1.02rem;
  }

  .related-posts {
    padding-bottom: 64px;
  }
}

@media (max-width: 390px) {
  .brand {
    font-size: 0.8rem;
  }

  .nav-links {
    gap: 12px;
  }
}