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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #ffffff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: #2d3748;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: #2d3748;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #667eea;
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: #667eea;
  color: white;
}

.btn-primary:hover {
  background: #5a67d8;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
  background: transparent;
  color: #667eea;
  border: 2px solid #667eea;
}

.btn-secondary:hover {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
}

/* 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;
  border-bottom: 1px solid 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;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: #667eea;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: #4a5568;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: #667eea;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #667eea;
  transition: width 0.3s ease;
}

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

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

.bar {
  width: 25px;
  height: 3px;
  background: #2d3748;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding-top: 80px;
}

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

.hero-text {
  text-align: left;
}

.hero-name {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  color: #2d3748;
}

.hero-role {
  font-size: 1.5rem;
  color: #667eea;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.hero-tagline {
  font-size: 1.2rem;
  color: #718096;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

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

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-img {
  width: 100%;
  max-width: 400px;
  height: 400px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.profile-img:hover {
  transform: scale(1.05);
}

/* About Section */
.about {
  padding: 100px 0;
  background: #ffffff;
}

.about-content {
  max-width: 1000px;
  margin: 0 auto;
}

.about-text {
  text-align: center;
  margin-bottom: 3rem;
}

.about-intro {
  font-size: 1.1rem;
  color: #4a5568;
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
}

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.personal-info,
.professional-info {
  background: #f8fafc;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.personal-info:hover,
.professional-info:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.personal-info h3,
.professional-info h3 {
  color: #2d3748;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.3rem;
}

.personal-info h3 i,
.professional-info h3 i {
  color: #667eea;
  font-size: 1.2rem;
}

.info-grid {
  display: grid;
  gap: 1rem;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

.info-item:last-child {
  border-bottom: none;
}

.info-label {
  font-weight: 600;
  color: #4a5568;
  font-size: 0.95rem;
}

.info-value {
  color: #2d3748;
  font-weight: 500;
  text-align: right;
}

.focus-areas {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.focus-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.focus-item:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.focus-item i {
  color: #667eea;
  font-size: 1.5rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.focus-item h4 {
  color: #2d3748;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.focus-item p {
  color: #718096;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Skills Section */
.skills {
  padding: 100px 0;
  background: #f8fafc;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.skill-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.skill-item i {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.skill-item span {
  font-weight: 600;
  color: #2d3748;
  font-size: 1rem;
}

/* Projects Section */
.projects {
  padding: 100px 0;
  background: #ffffff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.project-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

.project-card:hover .project-img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-link {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.project-link:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
  color: #2d3748;
}

.project-description {
  color: #718096;
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

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

.tech-tag {
  background: #edf2f7;
  color: #4a5568;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.projects-link {
  text-align: center;
}

/* Certificates Section */
.certificates {
  padding: 100px 0;
  background: #f8fafc;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.certificate-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.certificate-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.certificate-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.certificate-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
  padding: 20px;
  background: white;
}

.certificate-card:hover .certificate-img {
  transform: scale(1.05);
}

.certificate-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(102, 126, 234, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.certificate-card:hover .certificate-overlay {
  opacity: 1;
}

.certificate-badge {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.certificate-badge:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.certificate-content {
  padding: 1.5rem;
}

.certificate-title {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: #2d3748;
}

.certificate-issuer {
  color: #667eea;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

.certificate-description {
  color: #718096;
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.certificate-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  background: #edf2f7;
  color: #4a5568;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.certificates-link {
  text-align: center;
}

/* Tools & Deployment Section */
.tools {
  padding: 100px 0;
  background: #ffffff;
}

.tools-categories {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.tools-category {
  background: #f8fafc;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.tools-category:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.category-title {
  font-size: 1.4rem;
  color: #2d3748;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-align: center;
  justify-content: center;
}

.category-title i {
  color: #667eea;
  font-size: 1.3rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.tool-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid rgba(102, 126, 234, 0.1);
}

.tool-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: rgba(102, 126, 234, 0.3);
}

.tool-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border-radius: 10px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.tool-item:hover .tool-icon {
  background: rgba(102, 126, 234, 0.1);
  transform: scale(1.1);
}

.tool-icon i {
  font-size: 1.8rem;
}

.tool-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: #2d3748;
  font-weight: 600;
}

.tool-content p {
  color: #718096;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* AI Tools Section */
.ai-tools {
  padding: 100px 0;
  background: #f8fafc;
}

.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.ai-tool-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.ai-tool-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.ai-tool-icon {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
}

.ai-tool-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}

.ai-tool-content h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: #2d3748;
}

.ai-tool-content p {
  color: #718096;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background: #ffffff;
}

.contact-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: #718096;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: #f8fafc;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: #667eea;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-details h3 {
  color: #2d3748;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.contact-details a {
  color: #667eea;
  text-decoration: none;
  font-size: 0.9rem;
}

.contact-details a:hover {
  text-decoration: underline;
}

.contact-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: #2d3748;
  color: white;
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background: #667eea;
  transform: translateY(-2px);
}

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

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    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;
  }

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

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

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

  .hero-role {
    font-size: 1.3rem;
  }

  .hero-tagline {
    font-size: 1.1rem;
  }

  .hero-buttons {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }
  
  .profile-img {
    max-width: 300px;
    height: 300px;
  }

  .about-details {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .info-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .info-value {
    text-align: left;
  }

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

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

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

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

  .tool-item {
    flex-direction: column;
    text-align: center;
  }

  .ai-tools-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-actions {
    flex-direction: column;
    align-items: center;
  }

  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

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

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

  .hero-role {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

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

  .skill-item {
    padding: 1.5rem 1rem;
  }

  .ai-tool-item {
    flex-direction: column;
    text-align: center;
  }
  
  .profile-img {
    max-width: 250px;
    height: 250px;
  }
}

/* Focus styles for accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* Smooth scrolling enhancement */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}