:root {
  --color-bg: #ffffff;
  --color-text: #000000;
  --color-heading: #003366;
  --color-muted: #6b6b6b;
  --color-border: #e2e2e2;
  --color-accent: #003366;
  --color-accent-contrast: #ffffff;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;

  --container-width: 72rem;
  --side-padding: clamp(1rem, 4vw, 3rem);
  --radius: 0.25rem;
  --bar-width: 4px;
}

/* Basic reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  font-size: 1rem;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin-top: 0;
  color: var(--color-heading);
}

ul,
ol {
  padding-left: 1.25em;
}

li::marker {
  color: var(--color-heading);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--side-padding);
  padding-block: var(--space-5);
}

.meta {
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Section headings get a left accent bar instead of a top divider line.
   Applies to every h2 rendered inside the page body, regardless of
   which wrapper class that page's template uses. */
main h2 {
  margin-top: var(--space-5);
  padding-left: var(--space-3);
  border-left: var(--bar-width) solid var(--color-heading);
}

.post-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.post-list a {
  font-size: 1.1rem;
  font-weight: 600;
}

.post-list time {
  display: block;
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-top: var(--space-1);
}

.post-list p {
  margin: var(--space-1) 0 0;
}

.tag-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag-list li {
  padding: var(--space-1) var(--space-3);
}

.tag-list__count {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.tag-pills {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag-pills li {
  padding: 0.15rem var(--space-2);
  font-size: 0.85rem;
}

.site-footer {
  padding: var(--space-4) var(--side-padding);
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
}