:root {
  --deep-navy: #021833;   
  --ocean-blue: #1E5175;  
  --steel-blue: #C5D1DB;  
  --white: #FFFFFF;       
  --bright-blue: #168AC0; 
  --red: #FF0000;
}

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

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--deep-navy);
  line-height: 1.6; 
  background-color: var(--white);
}


header {
  display: flex;                 
  justify-content: space-between; 
  align-items: center;           
  padding: 20px 40px;
  background-color: var(--white);
  border-bottom: 3px solid var(--deep-navy);
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--deep-navy);
  text-decoration: none; 
  width: 75px;
  height: 75px;
}

nav ul {
  list-style: none; 
  display: flex;    
  gap: 30px;         
}

nav a {
  text-decoration: none;
  color: var(--ocean-blue);
  font-weight: bold;
  font-size: 16px;
  padding-bottom: 4px; 
}


nav a:hover,
nav a.active {
  color: var(--bright-blue);
  border-bottom: 2px solid var(--bright-blue);
}


.intro {
  text-align: center;
  padding: 40px 20px 20px; 
  background-color: var(--white);
}

.intro h1 {
  font-size: 32px;
  color: var(--deep-navy);
  margin-bottom: 10px;
}

.intro p {
  color: var(--ocean-blue);
}



.content-blocks {
  display: flex;        
  gap: 20px;              
  justify-content: center;
  flex-wrap: wrap;        
  padding: 20px 40px 60px;
  background-color: var(--white);
}

.block {
  background-color: var(--steel-blue);
  border: 1px solid var(--ocean-blue);
  border-radius: 8px; 
  padding: 25px;
  width: 280px;
  text-align: left;
}

.block h2 {
  color: var(--deep-navy);
  margin-bottom: 10px;
  font-size: 20px;
}

.block p {
  margin-bottom: 15px;
  font-size: 15px;
  color: var(--ocean-blue);
}


.block a.read-more {
  display: inline-block; 
  color: var(--white);
  background-color: var(--deep-navy);
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 14px;
}

.block a.read-more:hover {
  background-color: var(--bright-blue);
}


main.page-content {
  max-width: 800px;  
  margin: 0 auto;    
  padding: 40px 20px 60px;
}

main.page-content h1 {
  color: var(--deep-navy);
  margin-bottom: 20px;
}

main.page-content h2 {
  color: var(--deep-navy);
  font-size: 15px;
}

main.page-content p {
  margin-bottom: 15px;
  color: #1a1a1a;
}


footer {
  text-align: center;
  padding: 20px;
  background-color: var(--deep-navy);
  border-top: 1px solid var(--ocean-blue);
  font-size: 13px;
  color: var(--steel-blue);
}