:root {
  color-scheme: dark;
  --bg: #041011;
  --panel: #0a1a1c;
  --panel-soft: rgba(255, 255, 255, 0.035);
  --border: rgba(141, 245, 231, 0.16);
  --text: #effffd;
  --body: #a8c7c3;
  --muted: #6f9994;
  --accent: #66ead9;
  --accent-strong: #9af7eb;
  --code: #071517;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  background:
    radial-gradient(
      circle at 15% -10%,
      rgba(55, 207, 190, 0.14),
      transparent 34rem
    ),
    var(--bg);
  color: var(--body);
  font:
    16px/1.72 Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
}

.site-header,
footer {
  align-items: center;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1180px;
  padding: 22px 26px;
}

.site-header {
  border-bottom: 1px solid var(--border);
}

.brand {
  align-items: center;
  color: var(--text);
  display: inline-flex;
  font-size: 14px;
  font-weight: 700;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: var(--accent);
  border-radius: 8px;
  color: #03201d;
  display: inline-flex;
  font-size: 12px;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.header-link {
  color: var(--body);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.article {
  margin: 0 auto;
  max-width: 800px;
  padding: 66px 26px 100px;
}

.archive-notice,
.provenance {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 16px;
  color: var(--body);
  padding: 18px 20px;
}

.archive-notice {
  font-size: 14px;
  margin-bottom: 42px;
}

.archive-notice strong {
  color: var(--accent-strong);
}

.kicker,
.card-category,
.meta {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.kicker,
.card-category {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

h1,
h2,
h3,
strong {
  color: var(--text);
}

h1 {
  font-size: clamp(2.35rem, 7vw, 4.5rem);
  letter-spacing: -0.048em;
  line-height: 1.02;
  margin: 18px 0;
}

.dek,
.archive-intro {
  color: #c8dedb;
  font-size: 19px;
  line-height: 1.6;
}

.meta {
  color: var(--muted);
  font-size: 12px;
  margin: 26px 0 34px;
}

.hero-image {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: 18px;
  display: block;
  margin: 0 0 50px;
  object-fit: cover;
  width: 100%;
}

.prose h2 {
  font-size: 27px;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 48px 0 14px;
}

.prose h3 {
  font-size: 20px;
  margin: 34px 0 10px;
}

.prose p,
.prose li {
  font-size: 17px;
}

.prose img {
  border: 1px solid var(--border);
  border-radius: 14px;
  display: block;
  height: auto;
  margin: 30px auto;
  max-width: 100%;
}

.prose blockquote {
  border-left: 3px solid var(--accent);
  margin: 28px 0;
  padding: 2px 0 2px 22px;
}

.prose pre,
.prose code {
  background: var(--code);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 7px;
  font:
    0.9em/1.55 ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;
}

.prose code {
  padding: 2px 5px;
}

.prose pre {
  overflow-x: auto;
  padding: 18px;
}

.prose pre code {
  border: 0;
  padding: 0;
}

.prose table {
  border-collapse: collapse;
  display: block;
  margin: 28px 0;
  overflow-x: auto;
  width: 100%;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}

.provenance {
  margin-top: 54px;
}

.provenance h2 {
  font-size: 18px;
  margin: 0 0 8px;
}

.provenance p {
  font-size: 14px;
  margin: 0 0 12px;
}

.archive-index {
  margin: 0 auto;
  max-width: 1180px;
  padding: 86px 26px 110px;
}

.archive-index > h1 {
  max-width: 800px;
}

.archive-intro {
  max-width: 760px;
}

.archive-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 54px;
}

.archive-card {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 18px;
  color: var(--body);
  display: block;
  padding: 16px 16px 20px;
  text-decoration: none;
  transition:
    border-color 150ms ease,
    transform 150ms ease;
}

.archive-card:hover {
  border-color: rgba(102, 234, 217, 0.48);
  transform: translateY(-2px);
}

.archive-card img {
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  display: block;
  margin-bottom: 20px;
  object-fit: cover;
  width: 100%;
}

.archive-card h2 {
  font-size: 22px;
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin: 10px 0;
}

.archive-card p {
  font-size: 14px;
}

.card-meta {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-top: 18px;
}

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

footer a {
  text-decoration: none;
}

@media (max-width: 720px) {
  .archive-grid {
    grid-template-columns: 1fr;
  }

  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .article,
  .archive-index {
    padding-top: 48px;
  }
}