:root {
  --primary-color: #2d3436;
  --secondary-color: #7d09e3;
  --accent-color: #000000;
  --background-color: #ffffff;
  --text-color: #2d3436;
  --nav-width: 300px;
  --card-bg: #f5f6fa;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-user-select: none;
  user-select: none;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  display: flex;
}

/* Navigation */
.side-nav {
  width: var(--nav-width);
  height: 100vh;
  position: fixed;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  padding: 2rem;
  color: white;
}

.nav-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nav-header {
  text-align: center;
}

.profile-image {
  width: 180px;
  height: 180px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  overflow: hidden;
}

.profile-pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.nav-links {
  list-style: none;
  margin: 2rem 0;
}

.nav-links a {
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  display: block;
  transition: all 0.3s ease;
  border-radius: 5px;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

/* Main Content */
.main-content {
  margin-left: var(--nav-width);
  padding: 2rem;
  width: calc(100% - var(--nav-width));
}

.section {
  margin-bottom: 4rem;
  animation: fadeIn 0.8s ease forwards;
}

.section-content {
  max-width: 800px;
  margin: 0 auto;
}

/* Typography */
h1, h2, h3 {
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.8rem;
  font-weight: 600;
}

h2 {
  font-size: 2rem;
  color: var(--primary-color);
}

h3 {
  font-size: 1.4rem;
}

/* Expertise Cards */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.expertise-card {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

.expertise-card i {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

/* Experience Blocks */
.experience-block {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 10px;
  margin-bottom: 2rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.experience-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--secondary-color);
  margin: 0.5rem 0;
}

.experience-details {
  list-style: none;
  margin-top: 1rem;
}

.experience-details li {
  margin-bottom: 0.8rem;
  padding-left: 1.5rem;
  position: relative;
}

.experience-details li::before {
  content: "•";
  color: var(--secondary-color);
  position: absolute;
  left: 0;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--card-bg);
  border-radius: 8px;
}

.social-links-large {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
}

.social-button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background-color: var(--card-bg);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-color);
  transition: all 0.3s ease;
}

.social-button:hover {
  transform: translateY(-3px);
  background-color: var(--secondary-color);
  color: white;
}

/* Animations */
@keyframes fadeIn {
  from {
      opacity: 0;
      transform: translateY(20px);
  }
  to {
      opacity: 1;
      transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
      --nav-width: 100%;
  }
  
  body {
      flex-direction: column;
  }
  
  .side-nav {
      position: relative;
      height: auto;
  }
  
  .main-content {
      margin-left: 0;
      width: 100%;
  }
  
  .social-links-large {
      flex-direction: column;
      align-items: center;
  }
  
  .contact-grid {
      grid-template-columns: 1fr;
  }
}

.contact-info {
  margin-top: auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info .contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: white;
}

.contact-info .contact-item i {
  width: 20px;
  text-align: center;
  opacity: 0.8;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.social-links a {
  color: white;
  font-size: 1.2rem;
  opacity: 0.8;
  transition: all 0.3s ease;
}

.social-links a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.about-content {
  margin-top: 2rem;
}

.about-content p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
}