:root {
  --color-primary: #072A56;
  --color-accent: #1B7FD4;
  --bg-base: #F8FAFC;
  --text-main: #0F172A;
  --text-muted: #475569;
}
body {
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background: var(--bg-base);
  margin: 0;
  padding: 0;
}
.container {
  max-width: 800px;
  margin: 4rem auto;
  padding: 0 1.5rem;
}
header {
  border-bottom: 1px solid #E2E8F0;
  padding: 1rem 0;
  background: white;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-primary);
  text-decoration: none;
}
.logo span { color: var(--color-accent); }
.back-link {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
}
h1 { font-size: 2.5rem; margin-bottom: 1rem; color: var(--color-primary); }
h2 { font-size: 1.5rem; margin-top: 2.5rem; margin-bottom: 1rem; color: var(--color-primary); border-left: 4px solid var(--color-accent); padding-left: 1rem; }
p { margin-bottom: 1.2rem; }
ul { margin-bottom: 1.2rem; padding-left: 1.5rem; }
li { margin-bottom: 0.5rem; }
footer {
  background: #0F172A;
  color: white;
  padding: 3rem 0;
  margin-top: 6rem;
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.footer-section h4 { color: white; margin-bottom: 1rem; }
.footer-section p { color: #94A3B8; font-size: 0.9rem; }
.footer-bottom {
  text-align: center;
  border-top: 1px solid #1E293B;
  margin-top: 2rem;
  padding-top: 2rem;
  font-size: 0.8rem;
  color: #64748B;
}