blog/frontend/app/assets/css/main.css

:root {
  /* Neutral editorial palette: warm off-white paper, near-black ink. */
  --color-ink: #14130f;
  --color-body: #3d3a34;
  --color-muted: #857f74;
  --color-bg: #fbfaf7;
  --color-surface: #f1efe9;
  --color-border: #e0ddd4;
  --color-rule: #14130f;

  --font-display: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --width: 76rem;
  --width-prose: 40rem;
  --radius: 2px;

  /* Breakpoints used throughout: 48rem = tablet, 64rem = desktop. */
  --space: 1.1rem;
  --gap-section: 2.5rem;
}

@media (min-width: 48rem) {
  :root {
    --space: 1.5rem;
    --gap-section: 4rem;
  }
}

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

body {
  margin: 0;
  color: var(--color-body);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  text-wrap: balance;
}

:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: var(--space);
  top: var(--space);
  z-index: 10;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-ink);
}

.muted {
  color: var(--color-muted);
}

/* Small uppercase label used for categories, dates and section headings. */
.kicker {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-block: var(--gap-section) 1.75rem;
}

.section-heading::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* Centred title block at the top of a listing page. */
.page-header {
  margin-bottom: var(--gap-section);
  padding-bottom: 1.75rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

.page-header .kicker {
  margin-bottom: 0.75rem;
}

.card-grid {
  display: grid;
  gap: 2.25rem 1.5rem;
  /* One column on phones, two on tablets, three or more on wide screens. */
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr));
  padding: 0;
  margin: 0;
  list-style: none;
}

@media (min-width: 48rem) {
  .card-grid {
    gap: 3rem 2.5rem;
  }
}

/* Article body */
.prose {
  max-width: var(--width-prose);
  font-size: 1.0125rem;
  /* Editors paste long URLs; without this they push the page sideways. */
  overflow-wrap: break-word;
}

@media (min-width: 48rem) {
  .prose {
    font-size: 1.075rem;
  }
}

/* Markdown tables have no wrapper to scroll, so the table scrolls itself. */
.prose table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.prose h2,
.prose h3 {
  margin-block: 2.5rem 0.75rem;
}

.prose h2 {
  font-size: 1.6rem;
}

.prose h3 {
  font-size: 1.25rem;
}

.prose p,
.prose ul,
.prose ol {
  margin-block: 0 1.4rem;
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.prose blockquote {
  margin: 2.5rem 0;
  padding-left: 1.5rem;
  border-left: 2px solid var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.45;
  color: var(--color-ink);
}

.prose img {
  margin-block: 2rem;
}

.prose pre {
  overflow-x: auto;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.prose code {
  font-size: 0.9em;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: center;
  margin-top: var(--gap-section);
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}