:root {
  --bg-color: #f8f9fa;
  --text-color: #212529;
  --accent-color: #df1e12;
  /* Cornell Red-ish */
  --secondary-text: #6c757d;
  --card-bg: #ffffff;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Merriweather', Georgia, serif;
  --spacing-unit: 1rem;
  --container-width: 800px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: var(--card-bg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 2rem 1rem;
  text-align: center;
}

.site-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 2rem;
  color: var(--accent-color);
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
}

.site-subtitle {
  color: var(--secondary-text);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

main {
  flex: 1;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

article {
  background: var(--card-bg);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease;
}

article:hover {
  transform: translateY(-2px);
}

h1 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: #1a1a1a;
}

.meta {
  font-size: 0.9rem;
  color: var(--secondary-text);
  margin-bottom: 1rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.meta span::after {
  content: "•";
  margin-left: 1rem;
  opacity: 0.5;
}

.meta span:last-child::after {
  display: none;
}

.alert-box {
  background-color: rgba(0, 0, 0, 0.03);
  border-left: 4px solid var(--accent-color);
  padding: 1rem;
  margin-bottom: 2rem;
  border-radius: 4px;
}

.alert-box p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: #555;
}

.content p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: #333;
}

.content p:last-child {
  margin-bottom: 0;
}

.content ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  list-style-type: disc;
}

.content li {
  font-size: 1.1rem;
  color: #333;
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
}

.content li::marker {
  color: var(--text-color);
}

.content a {
  color: var(--accent-color);
  text-decoration: none;
  border-bottom: 1px solid rgba(179, 27, 27, 0.3);
  transition: all 0.2s ease;
}

.content a:hover {
  border-bottom-color: var(--accent-color);
  background-color: rgba(179, 27, 27, 0.05);
}

footer {
  text-align: center;
  padding: 2rem;
  color: var(--secondary-text);
  font-size: 0.85rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  margin-top: auto;
}

@media (max-width: 600px) {
  .site-title {
    font-size: 1.75rem;
  }

  main {
    padding: 1.5rem 1rem;
  }

  article {
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  .content p,
  .content li {
    font-size: 1rem;
  }
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.social-links a {
  color: var(--secondary-text);
  border-bottom: none;
  transition: color 0.2s ease, transform 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-links a:hover {
  color: var(--accent-color);
  background-color: transparent;
  transform: translateY(-2px);
}