/* Global Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #f3f4f6;
  color: #333;
}

header, footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 20px;
}

header nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

header nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  padding: 8px 12px;
  border-radius: 5px;
  transition: background-color 0.3s, font-size 0.3s;
}

header nav ul li a.active {
  background-color: #007BFF;
  text-decoration: none;
  font-size: 1.1em;
  color: #fff;
}

.logo {
  height: 60px;
  margin-bottom: 10px;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 50px 20px;
  background: #fff;
  max-width: 900px;
  margin: 20px auto;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.profile-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
}

.cta-button {
  display: inline-block;
  padding: 12px 25px;
  background: #007BFF;
  color: #fff;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 15px;
}

/* Main Sections */
main section, main article, main aside, .strategy-section {
  max-width: 900px;
  margin: 20px auto;
  padding: 20px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

main h1 {
  color: #222;
}

main h2 {
  color: #007BFF;
  border-bottom: 2px solid #f3f4f6;
  padding-bottom: 5px;
  margin-top: 30px;
}

/* Blog Page Specifics */
.blog-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  max-width: 900px;
  margin: 20px auto;
  padding: 20px;
}

.blog-main {
  flex: 3;
  min-width: 300px;
}

.sidebar {
  flex: 1;
  min-width: 200px;
  background: #f9f9f9;
  padding: 20px;
  border-radius: 10px;
}

/* Certifications Page Specifics */
.certifications-container div {
  background: #f9f9f9;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: inset 0 0 5px rgba(0,0,0,0.05);
}

/* Footer Links */
footer a {
  color: #add8e6; /* Light blue for better contrast */
  text-decoration: none; /* Removes underline by default */
}

footer a:hover {
  text-decoration: underline; /* Adds underline on hover for feedback */
}

/* Responsive Design */
@media (max-width: 768px) {
  header nav ul {
    flex-direction: column;
    gap: 10px;
  }
  .blog-container {
    flex-direction: column;
  }
}