/* ---------- Local Web‑Fonts ---------- */
@font-face {
  font-family: "Fira Code";
  src: url("/static/fonts/FiraCode-VF.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("/static/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
/* ---------- Farbpalette ---------- */
:root {
  /* Light theme */
  --bg:            #f5f7fa;
  --bg-alt:        #ffffff;
  --card-bg:       #ffffff;
  --text:          #1f2933;
  --text-muted:    #64748b;
  --accent:        #2563eb;            /* Indigo‑600  */
  --accent-light:  #3b82f6;            /* Indigo‑500  */
  --code-bg:       #f1f5f9;
  --code-border:   #e2e8f0;
  --radius:        0.75rem;
  --gap:           2rem;
  --shadow:        0 4px 16px rgba(0,0,0,.08);
  font-size: 16px;
  font-family: "Inter", system-ui, sans-serif;
  color-scheme: light;
}

/* Dark mode (optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:          #0d1117;
    --bg-alt:      #161b22;
    --card-bg:     #161b22;
    --text:        #c9d1d9;
    --text-muted:  #8b949e;
    --accent:      #3b82f6;
    --accent-light:#60a5fa;
    --code-bg:     #1e242c;
    --code-border: #30363d;
    --shadow:      0 4px 16px rgba(0,0,0,.32);
  }
}

/* ---------- Grundlayout ---------- */
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a {
  color: var(--accent);
  text-decoration: none;
  transition: color .15s;
}
a:hover { color: var(--accent-light); }

/* Container in der Mitte */
.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--gap) calc(var(--gap) / 1.5);
}

/* ---------- Kopf & Fuß ---------- */
header, footer {
  background: var(--bg-alt);
  box-shadow: var(--shadow);
}
header {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem calc(var(--gap) / 1.2);
}
header h1 { margin: 0; font-size: 1.4rem; }
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
  font-size: .9rem;
  margin-top: var(--gap);
}

/* ---------- Karten‑Grid ---------- */
.post-list {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  list-style: none;
  padding: 0;
  margin: 0;
}
.card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 6px 24px rgba(0,0,0,.1); }
.card img {
  width: 100%; height: 180px; object-fit: cover;
}
.card-content { padding: 1rem 1.25rem 1.5rem; }
.card h2 { margin: .25rem 0 .5rem; font-size: 1.25rem; line-height: 1.3; }
.card time { color: var(--text-muted); font-size: .85rem; }

/* ---------- Artikel ---------- */
.hero {
  width: 100%; height: 320px; object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
article h1 { font-size: 2.2rem; margin: 1.2rem 0 .3rem; }
article time { color: var(--text-muted); font-size: .9rem; }
article img:not(.hero), article video {
  max-width: 100%; height: auto; border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 1rem 0;
}
article pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  overflow: auto;
  font-family: "Fira Code", Consolas, monospace;
}
article blockquote {
  border-left: 4px solid var(--accent);
  padding: .5rem 1rem; margin: 1rem 0;
  background: var(--code-bg);
  color: var(--text-muted);
}
code {
  background: var(--code-bg);
  color: var(--text-muted);
}
.main-nav ul {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  font-weight: 600;
  color: var(--text);
}
.main-nav a:hover {
  color: var(--accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  :root { font-size: 15px; }
  .hero { height: 200px; }
  header { flex-direction: column; gap: .5rem; }
}
