/* CSS Variables for a Soft Medical Theme */
:root {
  --primary-color: #0b5c87;
  --secondary-color: #0093a2;
  --accent-color: #48c9b0;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --bg-color: #f7f9fa;
  --white: #ffffff;
  --cta-bg: #eaf6f6;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-color);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--secondary-color);
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

/* Header */
header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

/* Main Layout */
main {
  min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  padding: 4rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.hero p {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto;
  opacity: 0.9;
}

/* Articles Grid */
.articles-section {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 2rem;
}

.articles-section h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--primary-color);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.article-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.article-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.article-card a {
  display: inline-block;
  font-weight: 600;
  color: var(--accent-color);
}

.article-card a:hover {
  color: var(--primary-color);
}

/* Article Template */
.article-container {
  max-width: 800px;
  margin: 3rem auto;
  padding: 0 2rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.article-header {
  margin-bottom: 2rem;
}

.article-header h1 {
  font-size: 2.25rem;
  color: var(--primary-color);
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
}

.hero-image {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.article-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-dark);
}

.article-content h2 {
  color: var(--secondary-color);
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.article-content p {
  margin-bottom: 1.5rem;
}

/* CTA Section */
.cta-section {
  background-color: var(--cta-bg);
  padding: 3rem 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  margin-top: 3rem;
  margin-bottom: 3rem;
  border-left: 5px solid var(--accent-color);
  box-shadow: var(--shadow-sm);
}

.cta-section h3 {
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent-color);
  color: var(--white);
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.cta-button:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Footer */
footer {
  background-color: var(--text-dark);
  color: var(--white);
  text-align: center;
  padding: 2rem;
  margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .article-header h1 {
    font-size: 1.75rem;
  }
  
  .cta-section {
    padding: 2rem 1rem;
  }
}