:root {
  color-scheme: light;
  --seo-bg: #f5f7f7;
  --seo-panel: rgba(255, 255, 255, 0.66);
  --seo-text: #12231f;
  --seo-muted: #64746f;
  --seo-line: rgba(18, 35, 31, 0.14);
  --seo-accent: #079268;
  --seo-code: #e8eeee;
}

:root[data-theme='dark'] {
  color-scheme: dark;
  --seo-bg: #0a0c10;
  --seo-panel: rgba(16, 21, 26, 0.78);
  --seo-text: #e8efed;
  --seo-muted: #8d9a9f;
  --seo-line: rgba(226, 237, 234, 0.13);
  --seo-accent: #3bd9a2;
  --seo-code: #11171b;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--seo-bg);
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(circle at 76% 10%, color-mix(in srgb, var(--seo-accent) 10%, transparent), transparent 28rem),
    var(--seo-bg);
  color: var(--seo-text);
  font-family: "IBM Plex Sans", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
  margin: 0;
  min-height: 100vh;
}

a {
  color: inherit;
}

.seo-header {
  align-items: center;
  backdrop-filter: blur(20px);
  background: color-mix(in srgb, var(--seo-bg) 88%, transparent);
  border-bottom: 1px solid var(--seo-line);
  display: flex;
  justify-content: space-between;
  min-height: 78px;
  padding: 13px clamp(20px, 4vw, 64px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.seo-brand {
  display: block;
  height: 42px;
  width: 164px;
}

.seo-brand img {
  height: 100%;
  object-fit: contain;
  object-position: left center;
  width: 100%;
}

:root[data-theme='dark'] .seo-brand img {
  filter: brightness(0) invert(1);
}

.seo-header nav {
  align-items: center;
  display: flex;
  gap: clamp(13px, 2vw, 28px);
}

.seo-header nav a,
.seo-header nav button {
  background: transparent;
  border: 0;
  color: var(--seo-muted);
  cursor: pointer;
  font: 600 13px/1.2 "IBM Plex Mono", monospace;
  letter-spacing: 0.04em;
  padding: 9px 0;
  text-decoration: none;
}

.seo-header nav a:hover,
.seo-header nav button:hover,
.seo-header nav a:focus-visible,
.seo-header nav button:focus-visible {
  color: var(--seo-accent);
  outline: none;
}

.seo-layout {
  margin: 0 auto;
  max-width: 1160px;
  padding: clamp(62px, 9vw, 126px) clamp(22px, 5vw, 72px) 110px;
}

.seo-article {
  margin: 0 auto;
  max-width: 820px;
}

.seo-breadcrumb {
  align-items: center;
  color: var(--seo-muted);
  display: flex;
  font: 500 12px/1.5 "IBM Plex Mono", monospace;
  gap: 9px;
  margin-bottom: 54px;
}

.seo-breadcrumb a {
  text-decoration: none;
}

.seo-breadcrumb a:hover {
  color: var(--seo-accent);
}

.seo-kicker {
  color: var(--seo-accent);
  font: 600 12px/1.5 "IBM Plex Mono", monospace;
  letter-spacing: 0.14em;
  margin: 0 0 22px;
  text-transform: uppercase;
}

.seo-layout h1 {
  font-size: clamp(38px, 6vw, 72px);
  letter-spacing: -0.045em;
  line-height: 1.08;
  margin: 0;
  max-width: 1000px;
  text-wrap: balance;
}

.seo-lead {
  color: var(--seo-muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.7;
  margin: 30px 0 0;
  max-width: 760px;
}

.seo-article-actions {
  border-bottom: 1px solid var(--seo-line);
  margin: 38px 0 64px;
  padding-bottom: 30px;
}

.seo-article-actions a,
.seo-back {
  color: var(--seo-accent);
  font: 600 13px/1.4 "IBM Plex Mono", monospace;
  text-decoration: none;
}

.seo-prose {
  font-size: 17px;
}

.seo-prose h2,
.seo-prose h3,
.seo-prose h4 {
  letter-spacing: -0.025em;
  line-height: 1.3;
  margin: 2.7em 0 0.8em;
}

.seo-prose h2 {
  font-size: clamp(28px, 4vw, 40px);
}

.seo-prose h3 {
  font-size: 25px;
}

.seo-prose p,
.seo-prose li {
  color: color-mix(in srgb, var(--seo-text) 89%, var(--seo-muted));
}

.seo-prose a {
  color: var(--seo-accent);
  text-decoration-color: color-mix(in srgb, var(--seo-accent) 45%, transparent);
  text-underline-offset: 3px;
}

.seo-prose img,
.seo-prose video {
  border: 1px solid var(--seo-line);
  border-radius: 18px;
  display: block;
  height: auto;
  margin: 36px auto;
  max-width: 100%;
}

.seo-prose blockquote {
  border-left: 3px solid var(--seo-accent);
  color: var(--seo-muted);
  margin: 30px 0;
  padding: 4px 0 4px 24px;
}

.seo-prose pre {
  background: var(--seo-code);
  border: 1px solid var(--seo-line);
  border-radius: 14px;
  line-height: 1.65;
  overflow-x: auto;
  padding: 22px;
}

.seo-prose code {
  background: var(--seo-code);
  border-radius: 5px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88em;
  padding: 0.15em 0.36em;
}

.seo-prose pre code {
  background: transparent;
  padding: 0;
}

.seo-prose table {
  border-collapse: collapse;
  display: block;
  margin: 34px 0;
  max-width: 100%;
  overflow-x: auto;
  width: max-content;
}

.seo-prose th,
.seo-prose td {
  border: 1px solid var(--seo-line);
  min-width: 120px;
  padding: 11px 14px;
  text-align: left;
}

.seo-collection > header {
  margin-bottom: 64px;
}

.seo-collection .seo-back {
  display: inline-block;
  margin: -28px 0 34px;
}

.seo-card-list {
  border-top: 1px solid var(--seo-line);
  list-style: none;
  margin: 0;
  padding: 0;
}

.seo-card-list li {
  border-bottom: 1px solid var(--seo-line);
}

.seo-card-list a {
  align-items: flex-start;
  display: grid;
  gap: clamp(16px, 3vw, 42px);
  grid-template-columns: 48px minmax(0, 1fr) 28px;
  padding: 32px 10px;
  text-decoration: none;
  transition: background 180ms ease, padding 180ms ease;
}

.seo-card-list a:hover,
.seo-card-list a:focus-visible {
  background: color-mix(in srgb, var(--seo-accent) 6%, transparent);
  outline: none;
  padding-left: 20px;
  padding-right: 20px;
}

.seo-card-index,
.seo-card-copy small {
  color: var(--seo-accent);
  font: 600 11px/1.5 "IBM Plex Mono", monospace;
  letter-spacing: 0.06em;
}

.seo-card-copy {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.seo-card-copy strong {
  font-size: clamp(20px, 3vw, 30px);
  letter-spacing: -0.025em;
  line-height: 1.3;
}

.seo-card-copy > span {
  color: var(--seo-muted);
  line-height: 1.6;
  max-width: 760px;
}

.seo-card-arrow {
  color: var(--seo-accent);
  font-size: 20px;
}

.seo-footer {
  align-items: center;
  border-top: 1px solid var(--seo-line);
  color: var(--seo-muted);
  display: flex;
  font: 500 11px/1.5 "IBM Plex Mono", monospace;
  gap: 24px;
  margin: 0 clamp(20px, 4vw, 64px);
  padding: 30px 0 42px;
}

.seo-footer span {
  margin-right: auto;
}

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

@media (max-width: 720px) {
  .seo-header {
    align-items: flex-start;
    gap: 14px;
    padding: 13px 18px;
  }

  .seo-brand {
    height: 34px;
    width: 126px;
  }

  .seo-header nav {
    gap: 14px;
    overflow-x: auto;
  }

  .seo-header nav a:nth-of-type(2),
  .seo-header nav a:nth-of-type(3) {
    display: none;
  }

  .seo-layout {
    padding: 52px 20px 78px;
  }

  .seo-breadcrumb {
    margin-bottom: 36px;
  }

  .seo-layout h1 {
    font-size: 39px;
  }

  .seo-article-actions {
    margin-bottom: 46px;
  }

  .seo-prose {
    font-size: 16px;
  }

  .seo-card-list a {
    gap: 14px;
    grid-template-columns: 30px minmax(0, 1fr) 18px;
    padding: 25px 4px;
  }

  .seo-card-copy > span {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .seo-footer {
    flex-wrap: wrap;
    margin: 0 20px;
  }

  .seo-footer span {
    flex-basis: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}