/* Blog styles.
 * Colours come exclusively from assets/theme.css — do not hardcode hex here. */

* {
  box-sizing: border-box;
}

html {
  background: var(--colour-bg);
  color: var(--colour-ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.65;
}

body {
  margin: 0;
}

a {
  color: var(--colour-primary-ink);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
  text-decoration-thickness: 0.16em;
}

.site-header,
main,
.site-footer {
  width: min(100% - 2rem, 48rem);
  margin-inline: auto;
}

.site-header {
  border-bottom: var(--border-width) solid var(--colour-border);
  padding-block: 1.25rem;
}

.site-header nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.site-title {
  color: var(--colour-ink);
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

main {
  padding-block: clamp(2rem, 6vw, 4rem);
}

h1,
h2,
h3 {
  color: var(--colour-ink);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.1rem, 7vw, 3.5rem);
  margin-block: 0 1rem;
}

/* Pink underline instead of pink type: keeps headings at full contrast
 * while still reading as the primary colour. */
h1 {
  border-bottom: var(--shadow-offset) solid var(--colour-primary);
  padding-block-end: 0.3rem;
}

h2 {
  margin-block-start: 2.5rem;
}

time {
  color: var(--colour-muted);
  font-size: 0.9rem;
}

.post-list {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
}

.post-list li {
  border: var(--border-width) solid var(--colour-border);
  box-shadow: var(--shadow-hard);
  background: var(--colour-surface);
  margin-block-end: 1.5rem;
  padding: 1.25rem;
}

.post-list h2 {
  margin: 0 0 0.25rem;
  font-size: 1.4rem;
}

.post-list h2 a {
  color: var(--colour-ink);
  text-decoration: none;
}

.post-list h2 a:hover,
.post-list h2 a:focus-visible {
  color: var(--colour-primary-ink);
  text-decoration: underline;
}

.post-content {
  margin-block-start: 2.5rem;
}

.post-content img {
  display: block;
  height: auto;
  max-width: 100%;
  border: var(--border-width) solid var(--colour-border);
  box-shadow: var(--shadow-hard);
}

.post-content blockquote {
  background: var(--colour-surface-alt);
  color: var(--colour-ink);
  border: var(--border-width) solid var(--colour-border);
  box-shadow: var(--shadow-hard-small);
  margin-inline: 0;
  padding: 0.75rem 1rem;
}

.post-content pre {
  background: var(--colour-surface-alt);
  color: var(--colour-ink);
  border: var(--border-width) solid var(--colour-border);
  box-shadow: var(--shadow-hard);
  overflow-x: auto;
  padding: 1rem;
}

.post-content code {
  background: var(--colour-surface-alt);
  color: var(--colour-ink);
  border: 1px solid var(--colour-border);
  padding: 0.1em 0.3em;
}

.post-content pre code {
  padding: 0;
  border: 0;
  box-shadow: none;
}

.post-navigation,
.site-footer {
  border-top: var(--border-width) solid var(--colour-border);
  padding-block: 1.5rem;
}

.site-footer {
  margin-top: 2rem;
}

@media (max-width: 32rem) {
  .site-header nav {
    align-items: flex-start;
    flex-direction: column;
  }
}