@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Source+Sans+3:wght@400;500;600&display=swap');

:root {
  --color-bg: #ffffff;
  --color-bg-elevated: #f8f9fa;
  --color-bg-card: #ffffff;
  --color-text: #212529;
  --color-text-muted: #6c757d;
  --color-text-dim: #adb5bd;
  --color-border: #dee2e6;
  --color-primary: #e63946;
  --color-primary-light: #ff6b6b;
  --color-secondary: #457b9d;
  --color-accent: #f4a261;
  --font-display: 'Libre Baskerville', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --space-unit: 1rem;
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --shadow-card: 0 2px 12px 0 rgb(0 0 0 / 0.08);
  --transition-fast: 150ms ease;
  --max-width: 1200px;
  --header-height: 64px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.35;
}

h1 { font-size: 2.25rem; margin-bottom: 1.5rem; }
h2 { font-size: 1.75rem; margin-bottom: 1rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.75rem; }

p { margin-bottom: 1.25em; color: var(--color-text-muted); }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-light); }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-unit); }

.layout { display: flex; flex-direction: column; min-height: 100vh; }

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 2px solid var(--color-border);
}

.nav { display: flex; justify-content: space-between; align-items: center; height: var(--header-height); }

.logo { display: flex; align-items: center; text-decoration: none; }

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav-links { display: flex; gap: 2rem; border-left: 1px solid var(--color-border); padding-left: 2rem; }

.nav-link {
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.nav-link:hover { color: var(--color-primary); }

.main { flex: 1; padding: 3rem 0; }

.footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 1.5rem;
}

.footer-content { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; margin-bottom: 2rem; }

.footer-brand h4 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 0.5rem; }
.footer-brand p { color: var(--color-text-dim); font-size: 0.9rem; }

.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }

.footer-links a { color: var(--color-text-muted); font-size: 0.9rem; transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-dim);
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .nav { flex-direction: column; gap: 1rem; height: auto; padding: 1rem 0; }
  .nav-links { border-left: none; padding-left: 0; gap: 1.5rem; }
  .footer-content { grid-template-columns: 1fr; gap: 2rem; }
}