:root {
  --bg: #f8f9fa;
  --card: #fff;
  --border: #dee2e6;
  --accent: #6f42c1;
  --accent-dark: #59339d;
  --text: #212529;
  --muted: #6c757d;
}
* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  line-height: 1.55;
}
.page { max-width: 980px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }

nav.top {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  font-size: 0.9rem;
}
nav.top a { color: var(--accent-dark); text-decoration: none; font-weight: 600; }
nav.top a:hover { text-decoration: underline; }

header.hero { text-align: center; margin-bottom: 3rem; }
header.hero img { width: 450px; margin-bottom: 1rem; }
header.hero h1 { font-size: 2.4rem; margin-bottom: 0.5rem; }
header.hero p.tagline { font-size: 1.2rem; color: var(--muted); max-width: 640px; margin: 0 auto; }
header.hero .cta { margin-top: 1.5rem; }
header.hero .cta a {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  margin: 0 0.4rem;
}
header.hero .cta a.secondary { background: transparent; color: var(--accent-dark); border: 1px solid var(--accent); }

section { margin-bottom: 3rem; }
section h2 { font-size: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0.4rem; }
section p { color: #343a40; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}
.card h3 { margin-top: 0; margin-bottom: 0.4rem; }
.card h3 a { color: var(--accent-dark); text-decoration: none; }
.card h3 a:hover { text-decoration: underline; }
.card p { margin: 0; font-size: 0.92rem; color: var(--muted); }

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
  font-size: 0.92rem;
}
th, td { border: 1px solid var(--border); padding: 0.5rem 0.65rem; text-align: left; vertical-align: top; }
th { background: #f1edfb; }

code {
  background: #eef0f2;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}

blockquote {
  background: #fff8e6;
  border-left: 4px solid #f0ad4e;
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
}
blockquote p { margin: 0; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
footer a { color: var(--accent-dark); }