/* ---------------------------------------------------------------------------
   Beuco Blog — POC theme (ADO 3204)

   This is the ONLY file that decides what the site looks like, together with
   the templates in layouts/. No post ever mentions a colour, a font or a width.
   A redesign edits this file and rebuilds — the markdown is never touched.
   --------------------------------------------------------------------------- */

:root {
  --bg:            #ffffff;
  --bg-subtle:     #f6f7f9;
  --text:          #1b1f24;
  --text-muted:    #5b6570;
  --border:        #e3e7ec;
  --accent:        #0b6b5e;
  --accent-soft:   #e6f2f0;
  --code-bg:       #f4f6f8;

  --font-sans: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;

  --measure: 68ch;
  --wide: 1100px;   /* content column + sidebar */
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          #14171a;
    --bg-subtle:   #1b1f23;
    --text:        #e6e9ec;
    --text-muted:  #9aa4ae;
    --border:      #2a3038;
    --accent:      #4fd1bd;
    --accent-soft: #17302c;
    --code-bg:     #1b1f23;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ----- header ----- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 62px;
}

.brand {
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.nav { display: flex; gap: 22px; }

.nav a {
  color: var(--text-muted);
  font-size: 0.94rem;
}

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

.brand-section {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.nav a.nav-play {
  color: var(--accent);
  font-weight: 600;
}

/* ----- headings & hero ----- */

.hero { padding: 56px 0 12px; }

.page-title {
  font-size: 2.1rem;
  line-height: 1.2;
  letter-spacing: -0.022em;
  margin: 0 0 10px;
  font-weight: 680;
}

.lede {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin: 0;
  max-width: var(--measure);
}

.section-heading {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-muted);
  font-weight: 620;
  margin: 44px 0 6px;
}

/* ----- post list ----- */

.post-list { padding-bottom: 56px; }

.card {
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}

.card-image { display: block; margin-bottom: 14px; }
.card-image img { width: 100%; height: auto; border-radius: 8px; display: block; }

.card-title {
  margin: 0 0 5px;
  font-size: 1.28rem;
  line-height: 1.3;
  letter-spacing: -0.014em;
  font-weight: 640;
}

.card-title a { color: var(--text); }
.card-title a:hover { color: var(--accent); text-decoration: none; }

.meta {
  color: var(--text-muted);
  font-size: 0.86rem;
  margin: 0 0 10px;
}

.summary {
  margin: 0;
  color: var(--text-muted);
  max-width: var(--measure);
}

.more { margin: 30px 0 0; font-size: 0.95rem; }

/* ----- tags ----- */

.tags { margin: 14px 0 0; display: flex; flex-wrap: wrap; gap: 7px; }

.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 550;
}

.tag:hover { text-decoration: none; filter: brightness(0.96); }

/* ----- single post ----- */

.post { padding: 52px 0 64px; }

.post .page-title { max-width: var(--measure); }

.cover {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 24px 0 8px;
  border: 1px solid var(--border);
}

.prose { max-width: var(--measure); }

.prose h2 {
  font-size: 1.35rem;
  letter-spacing: -0.015em;
  margin: 38px 0 10px;
  font-weight: 650;
}

.prose h3 {
  font-size: 1.12rem;
  margin: 30px 0 8px;
  font-weight: 640;
}

.prose p { margin: 0 0 18px; }

.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose li { margin-bottom: 7px; }

.prose blockquote {
  margin: 24px 0;
  padding: 2px 0 2px 18px;
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.87em;
  background: var(--code-bg);
  padding: 2px 5px;
  border-radius: 4px;
}

.prose pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px 17px;
  overflow-x: auto;
  margin: 0 0 20px;
}

.prose pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.55;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 22px;
  font-size: 0.94rem;
  display: block;
  overflow-x: auto;
}

.prose th, .prose td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}

.prose th {
  font-weight: 620;
  background: var(--bg-subtle);
  white-space: nowrap;
}

.prose img { max-width: 100%; height: auto; border-radius: 8px; }

/* ----- call to action under every article ----- */

.cta {
  margin: 36px 0 0;
  padding: 16px 18px;
  border-radius: 10px;
  background: var(--accent-soft);
  max-width: var(--measure);
}

.cta p { margin: 0; }

/* ----- navigation between posts ----- */

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  font-size: 0.93rem;
}

.post-nav .next { margin-left: auto; text-align: right; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 0 0;
  font-size: 0.93rem;
}

.page-of { color: var(--text-muted); }

/* ----- layout: content + sidebar (sidebar drops below on narrow screens) ----- */

.layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0 48px; }
.content { min-width: 0; }

.sidebar { font-size: 0.92rem; padding: 8px 0 40px; }
.sidebar h2 {
  margin: 34px 0 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { margin: 0 0 8px; line-height: 1.4; }
.sidebar .count { color: var(--text-muted); }

@media (min-width: 1000px) {
  .layout { grid-template-columns: minmax(0, 1fr) 260px; }
  .sidebar { padding-top: 56px; border-left: 1px solid var(--border); padding-left: 32px; }
}

/* ----- archive page ----- */

.archive { padding: 52px 0 40px; }
.archive h2 { margin: 40px 0 8px; font-size: 1.4rem; }
.archive h3 { margin: 22px 0 8px; font-size: 1rem; color: var(--text-muted); font-weight: 600; }
.archive ul { list-style: none; margin: 0; padding: 0; }
.archive li { display: flex; gap: 14px; margin: 0 0 6px; line-height: 1.45; }
.archive time { flex: 0 0 4.2em; color: var(--text-muted); font-variant-numeric: tabular-nums; }

/* ----- footer ----- */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 26px 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-inner p { margin: 0; }
.footer-inner + .footer-inner { margin-top: 10px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-blog a { color: var(--text-muted); }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .page-title { font-size: 1.7rem; }
  .header-inner { height: auto; flex-wrap: wrap; row-gap: 6px; padding-top: 10px; padding-bottom: 10px; }
  .nav { gap: 15px; flex-wrap: wrap; }
}