/* ===== Reset & base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0f0f0f;
  --color-surface: #1a1a1a;
  --color-text: #e8e8e8;
  --color-muted: #999;
  --color-border: #2a2a2a;
  --color-link: #60a5fa;
  --color-blog: #60a5fa;
  --color-mastodon: #8b8fff;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 0.5rem;
  --shadow: 0 1px 4px rgba(0 0 0 / 0.4);
}

html {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

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

/* ===== Layout ===== */
.container {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ===== Header ===== */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding-block: 0.875rem;
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.site-title {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 1.25rem;
}

.site-header nav a {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.site-header nav a:hover {
  color: var(--color-text);
  text-decoration: none;
}

/* ===== Main ===== */
main.container {
  padding-block: 2rem;
}

.page-heading {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* ===== Card grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
  gap: 1.25rem;
  list-style: none;
}

/* ===== Card ===== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card__body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

.card__title a {
  color: var(--color-text);
}

.card__title a:hover {
  color: var(--color-link);
}

.card__excerpt {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.55;
  flex: 1;
}

.card__cta {
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: auto;
}

/* ===== Card image ===== */
.card__image-link {
  display: block;
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
}

.badge--blog {
  background: var(--color-blog);
}

.badge--mastodon {
  background: var(--color-mastodon);
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
  font-size: 0.9rem;
}

.pagination__link {
  font-weight: 500;
}

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

/* ===== Empty state ===== */
.empty-state {
  color: var(--color-muted);
  font-size: 1rem;
  margin-top: 1rem;
}

/* ===== Prose (about page) ===== */
.prose {
  max-width: 50rem;
}

.prose h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.prose h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.prose p {
  margin-bottom: 0.875rem;
  color: var(--color-text);
}

.prose ul {
  margin-left: 1.5rem;
  margin-bottom: 0.875rem;
}

.prose li {
  margin-bottom: 0.25rem;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 3rem;
}

/* ===== Responsive ===== */
@media (max-width: 40rem) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}