/* Basic, friendly styles for a small corporate site */
/* CSS variables */
:root {
  --bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-600: #1d4ed8;
  --border: #e5e7eb;
  --surface: #f9fafb;
  --code: #0b1021;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover { color: var(--primary-600); }

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

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand img { width: 28px; height: 28px; }

.nav-links {
  display: flex;
  gap: 18px;
}

.nav-links a {
  color: var(--text);
  padding: 6px 8px;
  border-radius: 6px;
}

.nav-links a.active,
.nav-links a:hover {
  background: var(--surface);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 6px;
}

main {
  padding: 40px 0 64px;
}

.hero {
  padding: 64px 0 56px;
  background: linear-gradient(180deg, var(--bg), var(--surface));
  border-bottom: 1px solid var(--border);
}

.hero h1 { 
  font-size: 32px; 
  line-height: 1.2;
  margin: 0 0 12px;
}

.hero p { color: var(--muted); margin: 0; }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  padding: 20px;
}

.card h3 { margin-top: 0; }
.muted { color: var(--muted); }

.section { padding: 32px 0; }
.section + .section { padding-top: 0; }
.prose { max-width: 820px; }
.stack { display: grid; gap: 12px; }
.stack-lg { display: grid; gap: 18px; }
.lead { font-size: 18px; color: var(--muted); }
.kicker { text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-size: 12px; }
.spacer-sm { height: 12px; }
.spacer { height: 20px; }
.spacer-lg { height: 32px; }

footer.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 28px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 20px;
}

.footer-nav { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a { color: var(--muted); }
.footer-meta { color: var(--muted); font-size: 14px; }

.blog-list { display: grid; gap: 16px; }
.post-item { padding-bottom: 12px; border-bottom: 1px dashed var(--border); }
.post-item:last-child { border-bottom: 0; }

/* Responsive */
@media (max-width: 800px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .menu-toggle { display: inline-block; }
  .nav-links.open { display: flex; flex-direction: column; padding-top: 12px; }
}