/* Plain, hand-written CSS. No preprocessor, no framework. */

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #5f5f5f;
  --color-accent: #1d4ed8;
  --color-border: #e5e5e5;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  --measure: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #12141a;
    --color-text: #f0f0f0;
    --color-muted: #a3a3a3;
    --color-accent: #7aa2ff;
    --color-border: #2a2d36;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: 100%;
}

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

a {
  color: var(--color-accent);
}

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

/* Header / nav */

.site-header {
  border-bottom: 1px solid var(--color-border);
}

.site-nav {
  max-width: 60rem;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.site-title {
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--color-text);
}

.site-nav__links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.site-nav__links a {
  text-decoration: none;
  color: var(--color-text);
}

.site-nav__links a:hover {
  color: var(--color-accent);
}

/* Main / sections */

.site-main {
  max-width: 60rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.section + .section {
  margin-top: 3rem;
}

.empty-state {
  color: var(--color-muted);
  font-style: italic;
}

/* Article list */

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

.post-list__item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.post-list__item h2 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.post-list__item h2 a {
  text-decoration: none;
}

.post-list__meta {
  margin: 0 0 0.5rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.post-list__excerpt {
  color: var(--color-text);
}

/* Single article: constrain measure for readability */

.article,
.photo-single {
  max-width: var(--measure);
  margin: 0 auto;
}

.article__title {
  font-size: 2rem;
  line-height: 1.25;
  margin-bottom: 0.25rem;
}

.article__meta,
.photo-single__meta {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.article__content {
  font-size: 1.05rem;
}

.article__content > * + * {
  margin-top: 1.25em;
}

.article__content img {
  border-radius: 4px;
}

.article__back,
.photo-single__back {
  margin-top: 2.5rem;
}

/* Photo grid */

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
}

.photo-grid--teaser {
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
}

.photo-grid__item {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 4px;
  background: var(--color-border);
  text-decoration: none;
}

.photo-grid__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-grid__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.4rem 0.5rem;
  font-size: 0.8rem;
  color: #fff;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0));
}

/* Single photo */

.photo-single__image img {
  border-radius: 4px;
  width: 100%;
}

.photo-single__title {
  margin-top: 1rem;
  font-size: 1.5rem;
}

.photo-single__caption {
  font-size: 1.05rem;
}