:root {
  --primary: #5E8C61;
  --primary-dark: #466A49;
  --bg: #FAF8F4;
  --surface: #FFFFFF;
  --text: #1A1C18;
  --text-secondary: #6B7280;
  --border: #E5E7EB;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; color: var(--text); }
.brand:hover { text-decoration: none; }
.nav a { margin-left: 20px; font-size: 14px; font-weight: 500; color: var(--text-secondary); }

/* Hero */
.hero { text-align: center; padding: 72px 0 48px; }
.hero .logo { font-size: 56px; }
.hero h1 { font-size: 40px; font-weight: 800; margin: 16px 0 12px; letter-spacing: -0.02em; }
.hero p { font-size: 19px; color: var(--text-secondary); max-width: 560px; margin: 0 auto 28px; }

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: 14px;
  font-size: 16px;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }

/* Features */
.features { padding: 24px 0 64px; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
}
.feature .icon { font-size: 26px; }
.feature h3 { font-size: 16px; margin: 10px 0 6px; }
.feature p { font-size: 14px; color: var(--text-secondary); }

/* Content pages */
.content { background: var(--surface); padding: 48px 0; min-height: 60vh; }
.content h1 { font-size: 30px; margin-bottom: 4px; }
.content .updated { color: var(--text-secondary); font-size: 14px; margin-bottom: 28px; }
.content h2 { font-size: 19px; margin: 28px 0 8px; }
.content p, .content li { font-size: 15px; color: #333; margin-bottom: 10px; }
.content ul { padding-left: 22px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
}
.site-footer a { margin: 0 10px; }