/* Main styles for personal website */
:root {
  --primary-color: #0366d6;
  --secondary-color: #24292e;
  --text-color: #24292e;
  --light-bg: #f6f8fa;
  --border-color: #e1e4e8;
  --timeline-color: #0366d6;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  margin: 0;
  padding: 0;
  background-color: #fff;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

/* Header styles */
.header-container {
  display: flex;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.profile-image img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-color);
}

.header-content {
  margin-left: 30px;
}

.header-content h1 {
  margin: 0;
  font-size: 2.5rem;
  color: var(--secondary-color);
}

.header-content h2 {
  margin: 5px 0 15px;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--primary-color);
}

.social-links a {
  display: inline-block;
  margin-right: 15px;
  font-size: 1.5rem;
  color: var(--secondary-color);
  transition: color 0.3s;
}

.social-links a:hover {
  color: var(--primary-color);
}

/* Skills section */
.skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 30px 0;
}

.skill-category {
  flex: 1;
  min-width: 250px;
  background-color: var(--light-bg);
  border-radius: 8px;
  padding: 20px;
}

.skill-category h3 {
  margin-top: 0;
  color: var(--primary-color);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-item {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 5px 15px;
  font-size: 0.9rem;
}

/* Timeline styles */
.timeline {
  position: relative;
  margin: 40px 0;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 2px;
  background-color: var(--timeline-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
}

.timeline-dot {
  position: absolute;
  left: -39px;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--timeline-color);
  border: 4px solid white;
}

.timeline-content {
  background-color: var(--light-bg);
  border-radius: 8px;
  padding: 20px;
}

.timeline-content h3 {
  margin-top: 0;
  color: var(--primary-color);
}

.timeline-content h4 {
  margin: 5px 0;
  font-weight: 500;
}

.timeline-date {
  font-style: italic;
  color: #666;
  margin-bottom: 10px;
}

/* Project cards */
.projects-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.project-card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.project-header {
  margin-bottom: 15px;
}

.project-header h3 {
  margin: 0;
  color: var(--primary-color);
}

.project-company {
  font-size: 0.9rem;
  color: #666;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.project-tech span {
  background-color: var(--light-bg);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.8rem;
}

/* Contact form */
.contact-form {
  max-width: 600px;
  margin: 30px 0;
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
}

.form-group textarea {
  min-height: 150px;
}

button[type="submit"] {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s;
}

button[type="submit"]:hover {
  background-color: #0256b3;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    text-align: center;
  }
  
  .header-content {
    margin-left: 0;
    margin-top: 20px;
  }
  
  .skills-container {
    flex-direction: column;
  }
  
  .projects-container {
    grid-template-columns: 1fr;
  }
}