/* 
Pulkit Garg Portfolio - Main CSS
Cyberpunk Theme with Neon Accents and Dark Background
*/

/* CSS Variables for Consistent Theming */
:root {
  /* Colors - Cyberpunk Palette */
  --primary-bg: #0a0a0a;
  --secondary-bg: #1a1a1a;
  --tertiary-bg: #2a2a2a;
  --card-bg: rgba(20, 20, 20, 0.8);
  
  /* Neon Colors */
  --neon-cyan: #00ffff;
  --neon-magenta: #ff00ff;
  --neon-purple: #8a2be2;
  --neon-green: #39ff14;
  --neon-yellow: #ffff00;
  --neon-orange: #ff6600;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #666666;
  --text-accent: var(--neon-cyan);
  
  /* UI Colors */
  --border-color: #333333;
  --hover-bg: rgba(0, 255, 255, 0.1);
  --success-color: var(--neon-green);
  --error-color: #ff3366;
  
  /* Typography */
  --font-primary: 'Rajdhani', sans-serif;
  --font-accent: 'Orbitron', monospace;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 18px;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-accent);
  margin-bottom: 1rem;
  color: var(--text-accent);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

/* Navigation */
.navbar {
  background-color: var(--secondary-bg);
  border-bottom: 2px solid var(--neon-cyan);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  color: var(--neon-cyan);
  text-decoration: none;
  font-weight: bold;
}

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

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--neon-cyan);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--neon-cyan);
  transition: width 0.3s ease;
}

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

/* Main Content */
main {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
}

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

.hero-title {
  font-size: 4rem;
  margin-bottom: 1rem;
  background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 2rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

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

.profile-photo {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 3px solid var(--neon-cyan);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 5px;
  font-family: var(--font-accent);
  font-weight: 500;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--neon-cyan);
  color: var(--primary-bg);
  border-color: var(--neon-cyan);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.btn-secondary {
  background-color: transparent;
  color: var(--neon-magenta);
  border-color: var(--neon-magenta);
}

.btn-secondary:hover {
  background-color: var(--neon-magenta);
  color: var(--primary-bg);
  box-shadow: 0 0 20px rgba(255, 0, 255, 0.5);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-accent);
  border-color: var(--text-accent);
}

.btn-outline:hover {
  background-color: var(--text-accent);
  color: var(--primary-bg);
}

/* Highlights Section */
.highlights {
  padding: 6rem 0;
  background-color: var(--secondary-bg);
}

.highlights h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 3rem;
}

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

.highlight-card {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.highlight-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
}

.highlight-card h3 {
  color: var(--neon-cyan);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

/* Projects Section */
.projects {
  padding: 6rem 0;
}

.section-description {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 255, 255, 0.2);
}

.project-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.project-content {
  padding: 1.5rem;
}

.project-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.project-description {
  margin-bottom: 1rem;
}

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

.tech-tag {
  background-color: var(--tertiary-bg);
  color: var(--neon-cyan);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  border: 1px solid var(--neon-cyan);
}

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

/* About Section */
.about {
  padding: 6rem 0;
}

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

.about-details {
  margin-top: 3rem;
}

.detail-item {
  margin-bottom: 3rem;
  padding: 2rem;
  background-color: var(--card-bg);
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.experience-item {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.experience-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.company {
  color: var(--text-accent);
  font-weight: 500;
}

.duration {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Blog Section */
.blog {
  padding: 6rem 0;
  background-color: var(--secondary-bg);
}

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

.blog-card {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
}

.blog-card h2 a {
  color: var(--text-accent);
  text-decoration: none;
}

.blog-card h2 a:hover {
  color: var(--neon-cyan);
}

.blog-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.blog-excerpt {
  margin-bottom: 1rem;
}

.read-more {
  color: var(--neon-cyan);
  text-decoration: none;
  font-weight: 500;
}

.read-more:hover {
  text-decoration: underline;
}

.blog-cta {
  text-align: center;
  padding: 2rem;
}

.blog-cta a {
  color: var(--neon-cyan);
  text-decoration: none;
}

.blog-cta a:hover {
  text-decoration: underline;
}

/* Contact Section */
.contact {
  padding: 6rem 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-form {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-accent);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  background-color: var(--tertiary-bg);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.contact-info {
  padding: 2rem 0;
}

.contact-methods {
  margin-top: 2rem;
}

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

.contact-method h4 {
  color: var(--text-accent);
  margin-bottom: 0.5rem;
}

.contact-method a {
  color: var(--neon-cyan);
  text-decoration: none;
}

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

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

.social-link {
  color: var(--text-primary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  transition: all 0.3s ease;
}

.social-link:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

/* Flash Messages */
.flash-messages {
  position: fixed;
  top: 90px;
  right: 20px;
  z-index: 1000;
}

.flash {
  padding: 1rem;
  margin-bottom: 0.5rem;
  border-radius: 5px;
  border-left: 4px solid;
  max-width: 400px;
}

.flash-success {
  background-color: rgba(57, 255, 20, 0.1);
  border-left-color: var(--success-color);
  color: var(--success-color);
}

.flash-error {
  background-color: rgba(255, 51, 102, 0.1);
  border-left-color: var(--error-color);
  color: var(--error-color);
}

/* Footer */
footer {
  background-color: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  text-align: center;
}

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

.footer-content .social-links {
  margin-top: 1rem;
  justify-content: center;
}

.footer-content .social-links a {
  color: var(--text-secondary);
  text-decoration: none;
  margin: 0 1rem;
  transition: color 0.3s ease;
}

.footer-content .social-links a:hover {
  color: var(--neon-cyan);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .nav-menu {
    flex-direction: column;
    gap: 1rem;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .highlights-grid {
    grid-template-columns: 1fr;
  }
  
  .profile-photo {
    width: 200px;
    height: 200px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.5rem; }
  
  .container {
    padding: 0 15px;
  }
}