/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333333;
  background: #ffffff;
  min-height: 100vh;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.nav-logo h2 {
  color: #2563eb;
  font-size: 1.5rem;
  font-weight: 700;
}

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

.nav-link {
  color: #333333;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #2563eb;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #2563eb;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

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

.bar {
  width: 25px;
  height: 3px;
  background: #333333;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding: 0 2rem;
}

.hero-container {
  display: flex;
  align-items: center;
  gap: 5rem;
  max-width: 1200px;
  width: 100%;
}

.hero-content {
  flex: 1;
  text-align: left;
}

.hero-profile {
  flex: 0 0 auto;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-photo {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  overflow: hidden;
  border: 5px solid #2563eb;
  box-shadow: 0 15px 40px rgba(37, 99, 235, 0.3);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1e293b;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: #64748b;
  line-height: 1.6;
  animation: fadeInUp 1s ease 0.6s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  animation: fadeInUp 1s ease 0.8s both;
}

/* Section Styles */
section {
  padding: 100px 0;
}

.section-title {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 3rem;
  color: #1e293b;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: #2563eb;
  border-radius: 2px;
}

/* About Section */
.about {
  background: #f8fafc;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  display: flex;
  justify-content: center;
}

.profile-photo {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid #2563eb;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #2563eb;
}

.about-text p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #64748b;
}

.education h4 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: #1e293b;
}

.education-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: #ffffff;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.education-icon {
  margin-right: 1rem;
  color: #2563eb;
  font-size: 1.5rem;
}

.education-details h5 {
  color: #1e293b;
  margin-bottom: 0.5rem;
}

.education-details p {
  color: #64748b;
  margin-bottom: 0.5rem;
}

.year {
  color: #2563eb;
  font-weight: 600;
}

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

.skill-category {
  background: #ffffff;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid #e2e8f0;
}

.skill-category h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: #2563eb;
  text-align: center;
}

.skill-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  background: #f8fafc;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
}

.skill-item i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: #2563eb;
}

.skill-item span {
  font-size: 0.9rem;
  color: #1e293b;
  text-align: center;
}

/* Projects Section */
.projects {
  background: #f8fafc;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: #ffffff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid #e2e8f0;
}

.project-image {
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-content {
  padding: 1.5rem;
}

.project-content h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #1e293b;
}

.project-content p {
  color: #64748b;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  background: #dbeafe;
  color: #2563eb;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #2563eb;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.project-link:hover {
  color: #1d4ed8;
}

/* Certificates Section */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.certificate-card {
  background: #ffffff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid #e2e8f0;
}

.certificate-image {
  height: 250px;
  overflow: hidden;
}

.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.certificate-content {
  padding: 1.5rem;
}

.certificate-content h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #1e293b;
}

.certificate-content p {
  color: #64748b;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.certificate-issuer {
  color: #2563eb;
  font-weight: 600;
}

/* Contact Section */
.contact {
  background: #f8fafc;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #2563eb;
}

.contact-info p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #64748b;
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  color: #1e293b;
}

.contact-item i {
  margin-right: 1rem;
  color: #2563eb;
  width: 20px;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: #dbeafe;
  color: #2563eb;
  border-radius: 50%;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: #2563eb;
  color: #ffffff;
  transform: translateY(-3px);
}

.contact-form {
  background: #ffffff;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid #e2e8f0;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  color: #1e293b;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #94a3b8;
}

/* Footer */
.footer {
  background: #1e293b;
  padding: 2rem 0;
  text-align: center;
  color: #94a3b8;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Button Styles */
.btn {
  padding: 12px 30px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: #2563eb;
  color: #ffffff;
}

.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background: transparent;
  color: #2563eb;
  border: 2px solid #2563eb;
}

.btn-secondary:hover {
  background: #2563eb;
  color: #ffffff;
  transform: translateY(-2px);
}

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

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.95);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    padding: 2rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }

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

  .hero-container {
    flex-direction: column-reverse;
    text-align: center;
    gap: 2rem;
  }

  .hero-content {
    text-align: center;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

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

  .hero-photo {
    width: 250px;
    height: 250px;
  }

  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

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

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

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 0 1rem;
  }

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

  .hero-photo {
    width: 200px;
    height: 200px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .profile-photo {
    width: 250px;
    height: 250px;
  }

  .skill-items {
    grid-template-columns: repeat(2, 1fr);
  }

  .btn {
    width: 200px;
    justify-content: center;
  }
}