/* Professional Portfolio Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #ffffff;
  color: #1f2937;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 1.25rem 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(59, 130, 246, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

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

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: -0.025em;
}

nav ul {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

nav a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  font-size: 0.95rem;
}

nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

nav a:hover {
  color: #ffffff;
  background: rgba(59, 130, 246, 0.1);
  transform: translateY(-2px);
}

nav a:hover::before {
  width: 80%;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #4facfe 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

.hero-content {
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 2rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn:not(.secondary) {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn:not(.secondary):hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #1f2937;
}

.btn.secondary:hover {
  background: #f9fafb;
  border-color: #9ca3af;
}

/* Hero Stats Section */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
  position: relative;
}



.stat {
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(0, 0, 0, 0.8);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  min-width: 140px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, #ff0080, #ff8c00, #40e0d0, #ee82ee);
  background-size: 300% 300%;
  animation: gradientShift 12s ease infinite;
  border-radius: 20px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.stat:hover::before {
  opacity: 1;
}

.stat:hover {
  transform: translateY(-10px) scale(1.05);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}



.stat-number {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(45deg, #ff0080, #ff8c00, #40e0d0, #ee82ee);
  background-size: 300% 300%;
  animation: gradientShift 8s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Section Styles */
section {
  padding: 5rem 0;
}

section h2 {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  color: #1e293b;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.projects h2 {
  color: #1e293b;
  text-shadow: none;
}

/* About Section */
.about {
  background: linear-gradient(135deg, #1e293b 0%, #334155 25%, #475569 50%, #64748b 75%, #94a3b8 100%);
  background-size: 400% 400%;
  animation: gradientShift 20s ease infinite;
  color: #ffffff;
}

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

.about-text {
  text-align: center;
}

.about-text p {
  font-size: 1.125rem;
  color: #e2e8f0;
  max-width: 800px;
  margin: 0 auto 1.5rem;
  line-height: 1.8;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.highlight {
  text-align: center;
  padding: 2.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.highlight:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.highlight i {
  font-size: 3rem;
  color: #60a5fa;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.highlight h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.highlight p {
  color: #cbd5e1;
  font-size: 0.875rem;
  line-height: 1.6;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.skills {
  text-align: center;
}

.skills h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.skill-tag {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.skill-tag:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

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

.projects::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.section-subtitle {
  text-align: center;
  color: #64748b;
  font-size: 1.125rem;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
  line-height: 1.7;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.project-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  transform: translateY(-4px);
}

.project-image {
  position: relative;
  overflow: hidden;
  background: #f1f5f9;
}

.project-image img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(139, 92, 246, 0.9));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.4s ease;
  backdrop-filter: blur(4px);
}

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

.project-links {
  display: flex;
  gap: 1rem;
  transform: translateY(20px);
  transition: transform 0.4s ease;
}

.project-card:hover .project-links {
  transform: translateY(0);
}

.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.95);
  color: #3b82f6;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.25rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-link:hover {
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.project-content {
  padding: 2.5rem;
  position: relative;
}

.project-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1e293b;
  line-height: 1.3;
}

.project-content p {
  color: #64748b;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  font-size: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.project-tech span {
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  color: #475569;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project-tech span::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
  transition: left 0.5s ease;
}

.project-tech span:hover::before {
  left: 100%;
}

.project-tech span:hover {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-color: #3b82f6;
  color: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

/* Resume Section */
.resume {
  background: #f9fafb;
  text-align: center;
}

.resume p {
  font-size: 1.125rem;
  color: #6b7280;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Certifications Section */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.cert-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.cert-card:hover {
  border-color: #d1d5db;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.cert-image {
  position: relative;
  overflow: hidden;
}

.cert-image img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.cert-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: #3b82f6;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.2rem;
}

.cert-content {
  padding: 2rem;
  text-align: center;
}

.cert-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.cert-issuer {
  color: #3b82f6;
  font-weight: 500;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
}

.cert-description {
  color: #6b7280;
  font-size: 0.875rem;
  line-height: 1.5;
}

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

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  border-color: #d1d5db;
  background: #f3f4f6;
}

.contact-item i {
  font-size: 1.8rem;
  color: #3b82f6;
  width: 50px;
  text-align: center;
}

.contact-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: #1f2937;
}

.contact-item a,
.contact-item p {
  color: #6b7280;
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-item a:hover {
  color: #3b82f6;
}

.contact-cta {
  text-align: center;
  padding: 2.5rem;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}

.contact-cta p {
  font-size: 1.125rem;
  color: #6b7280;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact-btn {
  background: #3b82f6 !important;
  color: #ffffff !important;
  border: 1px solid #3b82f6 !important;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-btn:hover {
  background: #2563eb !important;
  border-color: #2563eb !important;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

/* Footer */
footer {
  background: #1f2937;
  padding: 2rem 0;
  color: #ffffff;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-content p {
  color: #9ca3af;
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #3b82f6;
}

/* Animations */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  header {
    padding: 1rem 0;
  }
  
  .nav {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .logo {
    font-size: 1.5rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
  }
  
  .stat {
    min-width: auto;
    padding: 1rem;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  nav ul {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .about-highlights {
    grid-template-columns: 1fr;
  }
  
  .project-grid,
  .cert-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .project-card {
    margin: 0 1rem;
  }
  
  .project-content {
    padding: 2rem;
  }
  
  .project-content h3 {
    font-size: 1.25rem;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .skills-grid {
    gap: 0.5rem;
  }
  
  .skill-tag {
    font-size: 0.8rem;
    padding: 0.6rem 1.2rem;
  }
}

@media (max-width: 480px) {
  .container {
    width: 95%;
    padding: 0 10px;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .hero {
    padding-top: 120px;
  }
  
  .hero h2 {
    font-size: 2rem;
  }
}