:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666666;
  --accent: #0b5fff;
  --border: #e2e2e2;
  --code-bg: #f4f4f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #e8e8e8;
    --muted: #a0a0a0;
    --accent: #6ea8ff;
    --border: #2c2c2c;
    --code-bg: #1e1e20;
  }
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

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

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.site-header .brand {
  color: var(--fg);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}

.site-header nav a {
  text-decoration: none;
  font-weight: 500;
}

main {
  flex: 1;
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

h1, h2, h3 { line-height: 1.25; }

article h1 { margin-bottom: 0.25rem; }
article time { color: var(--muted); font-size: 0.9rem; }
article p, article li { line-height: 1.7; }
article img { max-width: 100%; height: auto; }

pre {
  overflow-x: auto;
  padding: 1rem;
  background: var(--code-bg);
  border-radius: 6px;
}

code {
  background: var(--code-bg);
  padding: 0.1em 0.3em;
  border-radius: 4px;
  font-size: 0.9em;
}

pre code { background: none; padding: 0; }

blockquote {
  margin-left: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}

.post-list { list-style: none; padding: 0; }
.post-list li { padding: 0.6rem 0; border-bottom: 1px solid var(--border); }
.post-list time { color: var(--muted); font-size: 0.9rem; margin-left: 0.5rem; }

.site-footer {
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.875rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.site-footer p { margin: 0.25rem 0; }

.hero {
  padding: 1rem 0 2rem;
  border-bottom: 3px solid #F68E56;
  margin-bottom: 2rem;
}
.hero h1 { font-size: 2.5rem; margin: 0 0 0.5rem; }
.hero .lead { font-size: 1.3rem; font-weight: 600; margin: 0 0 1rem; }

.cards {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.cards li {
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-left: 4px solid #F68E56;
  border-radius: 6px;
}
.cards h3 { margin: 0 0 0.25rem; }
.cards p { margin: 0; }
.note { color: var(--muted); font-size: 0.9rem; }

.button {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: #F68E56;
  color: #1a1a1a;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
}
.button:hover { filter: brightness(1.08); }

.video-grid {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
}
.video-grid a {
  display: block;
  color: var(--fg);
  text-decoration: none;
}
.video-grid img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.video-grid .video-title { display: block; font-weight: 600; margin-top: 0.4rem; }
.video-grid time { color: var(--muted); font-size: 0.85rem; }
.video-grid a:hover .video-title { color: var(--accent); }

.hero-banner { display: block; margin-bottom: 1.5rem; }
.hero-banner img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Plain bulleted list instead of boxed cards */
.cards {
  display: block;
  list-style: disc;
  padding-left: 1.5rem;
}
.cards li {
  padding: 0;
  margin: 0.5rem 0;
  border: 0;
  border-radius: 0;
}
.cards li::marker { color: #F68E56; }
.cards h3,
.cards p { display: inline; margin: 0; font-size: 1rem; }
.cards h3 { font-weight: 700; }
.cards h3::after { content: ": "; }

.bullets li { margin: 0.5rem 0; }
.bullets li::marker { color: #F68E56; }