/* The Danzell Monitor — vanilla CSS
 * Documentation-style aesthetic: Stripe Docs / MDN / Ahrefs State of SEO
 * No frameworks. ~4KB minified. Everything inlined from system fonts.
 * Deliberate constraint: no JavaScript animations, no tracking, no fonts from CDN.
 */

:root {
  --ink: #0B1220;
  --ink-soft: #2A3349;
  --ink-mute: #5B6478;
  --bg: #FAFBFD;
  --bg-soft: #F0F3F9;
  --brand: #0B4F8A;
  --brand-soft: #E8F0F9;
  --accent: #0F766E;
  --accent-soft: #E6F4F1;
  --warn: #B54708;
  --rule: #D9DEE8;
  --max: 720px;
  --radius: 8px;
  --shadow-soft: 0 1px 2px rgba(11,18,32,0.04), 0 1px 3px rgba(11,18,32,0.06);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 8px;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  border-radius: 4px;
  text-decoration: none;
  z-index: 9999;
}
.skip-link:focus { top: 8px; }

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--rule);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(10px);
  background: rgba(255,255,255,0.92);
}
.site-nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  justify-content: space-between;
  flex-wrap: wrap;
}
.masthead {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.edition-tag {
  font-size: 0.82rem;
  color: var(--ink-mute);
  font-variant-numeric: tabular-nums;
}

main.prose-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 20px 64px;
}

h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--ink);
}
h1 + p em { color: var(--ink-mute); font-style: normal; font-size: 0.92rem; }

h2 {
  font-size: 1.4rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 48px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  color: var(--ink);
}

h3 {
  font-size: 1.1rem;
  line-height: 1.35;
  margin: 28px 0 8px;
  color: var(--ink-soft);
}

p { margin: 0 0 16px; color: var(--ink-soft); }
p strong { color: var(--ink); }

a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}
a:hover { text-decoration-thickness: 2px; }
a:focus { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 2px; }

ul, ol { padding-left: 1.4em; margin: 0 0 16px; }
li { margin-bottom: 6px; color: var(--ink-soft); }

hr { border: 0; border-top: 1px solid var(--rule); margin: 40px 0; }

code, pre {
  font-family: ui-monospace, "SF Mono", "Roboto Mono", Menlo, Monaco, Consolas, monospace;
  font-size: 0.92em;
}
code {
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--ink);
}
pre {
  background: var(--bg-soft);
  padding: 16px 18px;
  border-radius: var(--radius);
  overflow-x: auto;
  border: 1px solid var(--rule);
  line-height: 1.5;
}
pre code { background: transparent; padding: 0; }

blockquote {
  margin: 16px 0;
  padding: 2px 0 2px 16px;
  border-left: 3px solid var(--brand);
  color: var(--ink-soft);
  font-style: italic;
}

aside.subscribe-cta {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  border-radius: 4px;
  margin: 24px 0;
}
aside.subscribe-cta p { margin: 0; color: var(--ink); }

/* Tables — data presentation is the point */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.92rem;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}
th {
  text-align: left;
  background: var(--bg-soft);
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  font-weight: 600;
  color: var(--ink);
}
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  vertical-align: top;
}
tr:last-child td { border-bottom: 0; }

/* Form */
form#subscribe {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 20px;
  margin: 24px 0;
  box-shadow: var(--shadow-soft);
}
form#subscribe label {
  display: block;
  margin: 12px 0 4px;
  font-weight: 500;
  color: var(--ink);
  font-size: 0.95rem;
}
form#subscribe label.optional { font-weight: 400; color: var(--ink-mute); }
form#subscribe label.consent {
  font-weight: 400;
  font-size: 0.88rem;
  color: var(--ink-mute);
  margin-top: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
form#subscribe label.consent input { margin-top: 3px; }
form#subscribe input[type="email"],
form#subscribe textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--bg);
  color: var(--ink);
}
form#subscribe input[type="email"]:focus,
form#subscribe textarea:focus {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
  border-color: var(--brand);
  background: #fff;
}
form#subscribe textarea { min-height: 80px; resize: vertical; }
form#subscribe button {
  margin-top: 16px;
  padding: 10px 20px;
  background: var(--brand);
  color: #fff;
  border: 0;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  width: 100%;
}
form#subscribe button:hover:not([disabled]) { background: #083A66; }
form#subscribe button:disabled { opacity: 0.6; cursor: not-allowed; }
form#subscribe .fine-print {
  margin: 12px 0 0;
  font-size: 0.82rem;
  color: var(--ink-mute);
}

/* Footer */
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 20px 48px;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--ink-mute);
}
.site-footer .disclaimer {
  background: var(--bg-soft);
  padding: 16px 18px;
  border-radius: var(--radius);
  border-left: 3px solid var(--warn);
  margin-bottom: 20px;
  line-height: 1.55;
  color: var(--ink-soft);
  font-size: 0.82rem;
}
.site-footer .credit { margin: 12px 0 8px; }
.site-footer .cta { margin: 12px 0 0; }
.site-footer .cta a { font-weight: 500; }

/* Responsive */
@media (max-width: 640px) {
  body { font-size: 16px; }
  main.prose-main { padding: 24px 18px 48px; }
  h1 { font-size: 1.55rem; }
  h2 { font-size: 1.25rem; }
  table { font-size: 0.88rem; }
  th, td { padding: 8px 10px; }
}

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

/* High contrast */
@media (prefers-contrast: more) {
  :root {
    --ink-soft: #0B1220;
    --ink-mute: #2A3349;
  }
}

/* Print */
@media print {
  .site-header, .site-footer, form#subscribe { display: none; }
  body { background: #fff; color: #000; }
  main.prose-main { max-width: 100%; padding: 0; }
}