/* CSS Variables for easy customization */
:root {
  /* Dark Theme Colors */
  --bg-primary: #0c111a;
  --text-primary: #f5f7fa;
  --text-secondary: #aab3c2;
  --primary-accent: linear-gradient(135deg, #00e0ff, #0078ff);
  --secondary-accent: linear-gradient(135deg, #ff73fa, #9b5cff);
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.15);
  --glass-blur: blur(20px);
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-strong: 0 8px 40px rgba(0, 0, 0, 0.5);
}

/* Global 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;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.5s ease, color 0.5s ease;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--primary-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-accent);
  transition: width 0.3s ease;
}

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

/* Floating Blobs */
.floating-blobs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.blob {
  position: absolute;
  border-radius: 50%;
  background: var(--primary-accent);
  opacity: 0.1;
  animation: float 8s ease-in-out infinite;
}

.blob1 {
  width: 200px;
  height: 200px;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.blob2 {
  width: 150px;
  height: 150px;
  top: 50%;
  right: 15%;
  animation-delay: 2s;
  background: var(--secondary-accent);
}

.blob3 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

.blob4 {
  width: 180px;
  height: 180px;
  top: 70%;
  left: 60%;
  animation-delay: 6s;
  background: var(--secondary-accent);
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) translateX(0px) scale(1);
  }
  33% {
    transform: translateY(-30px) translateX(20px) scale(1.1);
  }
  66% {
    transform: translateY(20px) translateX(-15px) scale(0.9);
  }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding-top: 80px; /* Account for fixed navbar */
}

.hero-content {
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  max-width: 800px;
  width: 100%;
}

.hero-image {
  position: relative;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: var(--primary-accent);
  border-radius: 50%;
  opacity: 0.1;
  z-index: -1;
  animation: pulse 3s ease-in-out infinite;
}

.profile-image {
  width: 250px;
  height: 250px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.profile-image:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

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

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--primary-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: floatText 4s ease-in-out infinite;
}

@keyframes floatText {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.hero-subtitle {
  font-size: 1.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

/* Contact Info */
.contact-info {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

.contact-item a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-item a:hover {
  background: var(--primary-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* CTA Button */
.cta-button {
  display: inline-block;
  background: var(--primary-accent);
  color: var(--bg-primary);
  padding: 1rem 2.5rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.4s ease;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.cta-button:hover::before {
  left: 100%;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-strong);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: var(--shadow-soft); }
  50% { box-shadow: 0 0 30px rgba(0, 224, 255, 0.6); }
  100% { box-shadow: var(--shadow-soft); }
}

/* Sections */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-title {
  font-size: 2.8rem;
  text-align: center;
  margin-bottom: 4rem;
  background: var(--primary-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* Glass Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem;
  margin: 2rem auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(50px);
}

.glass-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.glass-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
}

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

.competency-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(50px);
}

.competency-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.competency-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
}

.competency-title {
  background: var(--primary-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  background: var(--glass-bg);
  color: var(--text-primary);
  padding: 0.6rem 1.2rem;
  border-radius: 25px;
  font-size: 0.9rem;
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.skill-tag:hover {
  background: var(--primary-accent);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

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

.experience-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(50px);
}

.experience-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.experience-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
}

.job-title {
  background: var(--primary-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.company {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.achievements {
  list-style: none;
  margin-top: 1.5rem;
}

.achievements li {
  margin-bottom: 1rem;
  position: relative;
  padding-left: 2rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.achievements li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-accent);
  font-size: 1.2rem;
}

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

.education-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(50px);
}

.education-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.education-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
}

.education-title {
  background: var(--primary-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.education-details {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

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

.learning-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(50px);
  text-align: center;
}

.learning-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.learning-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
}

.learning-title {
  background: var(--primary-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
}

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

.project-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(50px);
}

.project-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
}

.featured-project {
  grid-column: span 2;
}

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

.tech-tag {
  background: var(--secondary-accent);
  color: var(--bg-primary);
  padding: 0.4rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-link {
  display: inline-block;
  margin-top: 1.5rem;
  color: var(--primary-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  position: relative;
}

.project-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-accent);
  transition: width 0.3s ease;
}

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

.project-link:hover {
  color: var(--secondary-accent);
  transform: translateX(5px);
}

.project-title {
  background: var(--primary-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}

/* Footer */
.footer {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  padding: 3rem 0;
  margin-top: 5rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.social-links {
  display: flex;
  gap: 2rem;
}

.social-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.social-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--primary-accent);
  transition: width 0.3s ease;
}

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

.copyright {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.4rem;
  }

  .contact-info {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }

  .nav-links {
    display: none; /* Could implement mobile menu later */
  }

  .glass-card {
    margin: 1.5rem auto;
    padding: 2rem;
  }

  .competency-grid,
  .project-grid,
  .experience-grid,
  .education-grid,
  .learning-grid {
    grid-template-columns: 1fr;
  }

  .featured-project {
    grid-column: span 1;
  }

  .section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 2.2rem;
    margin-bottom: 3rem;
  }

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

  .social-links {
    justify-content: center;
  }

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

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

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

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero {
    padding-top: 100px;
  }

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

  .cta-button {
    padding: 0.9rem 2rem;
    font-size: 1rem;
  }

  .glass-card {
    padding: 1.5rem;
  }

  .profile-image {
    width: 150px;
    height: 150px;
  }
}