/* Global Styles */
:root {
  --primary-color: #0a192f;
  --secondary-color: #172a45;
  --accent-color: #64ffda;
  --text-primary: #e6f1ff;
  --text-secondary: #8892b0;
  --font-sans: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--primary-color);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header and Profile */
header {
  padding: 80px 0;
}

.profile {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  text-align: center;
}

.profile-picture img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-color);
  box-shadow: 0 0 20px rgba(100, 255, 218, 0.2);
}

.profile-info {
  max-width: 500px;
}

h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

h2 {
  font-size: 24px;
  font-weight: 500;
  color: var(--accent-color);
  margin-bottom: 16px;
}

.social-links {
  margin-top: 20px;
}

.social-links a {
  display: inline-block;
  margin: 0 12px;
  color: var(--text-secondary);
  font-size: 22px;
  transition: all 0.3s ease;
}

.social-links a:hover {
  color: var(--accent-color);
  transform: translateY(-3px);
}

/* Sections */
section {
  padding: 60px 0;
}

.section-container {
  max-width: 900px;
  margin: 0 auto;
}

.section-title {
  font-size: 28px;
  margin-bottom: 30px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--accent-color);
}

/* About Section */
#about p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.service-card {
  background-color: var(--secondary-color);
  padding: 30px;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
}

.service-card i {
  font-size: 36px;
  color: var(--accent-color);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 16px;
}

/* Expertise Section */
.expertise-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 25px;
}

.expertise-item {
  background-color: rgba(100, 255, 218, 0.1);
  border: 1px solid var(--accent-color);
  border-radius: 30px;
  padding: 10px 20px;
  font-size: 16px;
  color: var(--accent-color);
  transition: all 0.3s ease;
}

.expertise-item:hover {
  background-color: rgba(100, 255, 218, 0.2);
}

/* Education Section */
.education-item {
  margin-bottom: 25px;
}

.education-item h3 {
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.education-item p {
  color: var(--text-secondary);
  font-size: 16px;
}

/* Contact Section */
#contact p {
  margin-bottom: 30px;
  font-size: 18px;
  color: var(--text-secondary);
}

.contact-btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: transparent;
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
  border-radius: 4px;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.contact-btn:hover {
  background-color: rgba(100, 255, 218, 0.1);
  transform: translateY(-3px);
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 0;
  color: var(--text-secondary);
  font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
  header {
    padding: 50px 0;
  }
  
  .profile {
    flex-direction: column;
    text-align: center;
  }
  
  h1 {
    font-size: 36px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  section {
    padding: 40px 0;
  }
  
  .section-title {
    font-size: 24px;
  }
}