:root {
  /* Primary Colors - Professional blue scheme from original */
  --primary-50: #e3f2fd;
  --primary-100: #bbdefb;
  --primary-200: #90caf9;
  --primary-300: #64b5f6;
  --primary-400: #42a5f5;
  --primary-500: #0000FF;  /* Original link blue */
  --primary-600: #1e88e5;
  --primary-700: #1976d2;
  --primary-800: #1565c0;
  --primary-900: #0d47a1;

  /* Neutral Colors */
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #eeeeee;
  --gray-300: #e0e0e0;
  --gray-400: #bdbdbd;
  --gray-500: #9e9e9e;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;

  /* Semantic Colors */
  --success: #4caf50;
  --warning: #ff9800;
  --error: #f44336;
  --info: #2196f3;

  /* Text */
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-tertiary: #9e9e9e;

  /* Background */
  --bg-white: #ffffff;
  --bg-light: #f5f5f5;
  --bg-dark: #212121;
}

/* Typography */
body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

h1 {
  font-size: 2.5rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2rem;
  font-weight: 500;
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 500;
}

/* Header / Navigation */
.navbar {
  background-color: var(--bg-white);
  box-shadow: 0 2px 4px rgba(0,0,0,0.08);
  padding: 1rem 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--primary-700);
}

.navbar-brand:hover {
  color: var(--primary-800);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 400;
  padding: 0.5rem 1rem;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-700);
}

.nav-link.active {
  color: var(--primary-700);
  font-weight: 500;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-900) 100%);
  color: white;
  padding: 5rem 0;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: white;
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.95;
  margin-bottom: 2rem;
}

.hero-image {
  position: relative;
  z-index: 1;
  margin-top: 2rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Content Sections */
.content-section {
  padding: 4rem 0;
}

.content-section:nth-child(even) {
  background-color: var(--bg-light);
}

.section-image {
  margin: 2rem 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.section-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Text Styling */
p {
  margin-bottom: 1.25rem;
}

a {
  color: var(--primary-700);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-800);
  text-decoration: underline;
}

strong {
  font-weight: 500;
  color: var(--text-primary);
}

/* Cards */
.card {
  border: none;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 2rem;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.12);
}

.card-title {
  color: var(--primary-700);
  font-weight: 500;
}

/* Footer */
.footer {
  background-color: var(--gray-900);
  color: var(--gray-300);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.footer h5 {
  color: white;
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.footer a {
  color: var(--gray-300);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer a:hover {
  color: white;
  text-decoration: none;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-700);
  text-align: center;
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* Utilities */
.text-muted {
  color: var(--text-secondary);
}

.bg-light {
  background-color: var(--bg-light);
}

.mb-4 {
  margin-bottom: 2rem;
}

.mt-5 {
  margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero {
    padding: 3rem 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .content-section {
    padding: 2.5rem 0;
  }
}

/* Print Styles */
@media print {
  .navbar, .footer {
    display: none;
  }

  .hero {
    background: none;
    color: var(--text-primary);
  }

  .hero h1 {
    color: var(--text-primary);
  }
}