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

body {
  font-family: "Arial", sans-serif;
  line-height: 1.6;
  color: #333;
}

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

/* Navigation */
.navbar {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h2 {
  color: #2c3e50;
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #3498db;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 120px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.highlight {
  color: #f39c12;
}

.hero-text h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #ecf0f1;
}

.hero-text p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #bdc3c7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 12px 30px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: #3498db;
  color: white;
}

.btn-primary:hover {
  background: #2980b9;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background: white;
  color: #333;
}

.profile-placeholder {
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  backdrop-filter: blur(10px);
}

.profile-placeholder i {
  font-size: 8rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Section Styles */
section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #2c3e50;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: #3498db;
}

/* About Section */
.about {
  background: #f8f9fa;
}

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

.about-text p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  text-align: center;
}

.education,
.interests {
  margin-bottom: 2rem;
}

.education h3,
.interests h3 {
  color: #2c3e50;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.education-item {
  margin-bottom: 1rem;
  padding: 1rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.education-item h4 {
  color: #3498db;
  margin-bottom: 0.5rem;
}

.interests ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.interests li {
  background: #3498db;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  text-align: center;
}

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

.project-icon {
  font-size: 3rem;
  color: #3498db;
  margin-bottom: 1rem;
}

.project-card h3 {
  color: #2c3e50;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.project-card p {
  margin-bottom: 1rem;
  color: #666;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.tech-tag {
  background: #ecf0f1;
  color: #2c3e50;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.project-year {
  color: #95a5a6;
  font-style: italic;
  font-size: 0.9rem;
}

/* Skills Section */
.skills {
  background: #f8f9fa;
}

.skills-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.skills-category {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.skills-category h3 {
  color: #2c3e50;
  margin-bottom: 1.5rem;
  text-align: center;
  font-size: 1.3rem;
}

.skills-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem;
  background: #f8f9fa;
  border-radius: 8px;
  transition: background 0.3s ease;
}

.skill-item:hover {
  background: #e9ecef;
}

.skill-item i {
  font-size: 1.5rem;
  color: #3498db;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  color: #2c3e50;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.contact-info p {
  margin-bottom: 2rem;
  color: #666;
  font-size: 1.1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-item i {
  font-size: 1.2rem;
  color: #3498db;
  width: 20px;
}

.contact-form {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 10px;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #3498db;
}

/* Footer */
.footer {
  background: #2c3e50;
  color: white;
  text-align: center;
  padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .profile-placeholder {
    width: 200px;
    height: 200px;
  }

  .profile-placeholder i {
    font-size: 5rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .skills-list {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero-text h1 {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}