/* Base Styles & Variables */
:root {
  /* Dark theme colors */
  --bg-primary: #0f0f15;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --text-primary: #e6e6e6;
  --text-secondary: #a0a0a0;
  --accent-primary: #00eeff;
  --accent-secondary: #ff00ee;
  --accent-tertiary: #00ff9d;
  --border-color: #2a2a4a;
  --card-bg: rgba(26, 26, 46, 0.7);
  --transition: all 0.3s ease;
  
  /* Light theme colors */
  --light-bg-primary: #f5f5f5;
  --light-bg-secondary: #ffffff;
  --light-text-primary: #333333;
  --light-text-secondary: #666666;
  --light-border-color: #dddddd;
  --light-card-bg: rgba(255, 255, 255, 0.9);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body.light-theme {
  background-color: var(--light-bg-primary);
  color: var(--light-text-primary);
}

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

.section {
  padding: 100px 0;
  position: relative;
  z-index: 2;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.primary-btn {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
  box-shadow: 0 5px 15px rgba(0, 238, 255, 0.4);
}

.primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 238, 255, 0.6);
}

.secondary-btn {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
  margin-left: 15px;
}

.secondary-btn:hover {
  background: rgba(0, 238, 255, 0.1);
  transform: translateY(-3px);
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--bg-secondary);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  cursor: pointer;
  color: var(--accent-primary);
  font-size: 1.2rem;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.theme-toggle:hover {
  transform: rotate(30deg);
}

body.light-theme .theme-toggle {
  background: var(--light-bg-secondary);
  color: var(--light-text-primary);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5%;
  background: rgba(15, 15, 21, 0.9);
  backdrop-filter: blur(10px);
  z-index: 999;
  transition: var(--transition);
}

body.light-theme .navbar {
  background: rgba(245, 245, 245, 0.9);
}

.nav-brand h2 {
  color: var(--accent-primary);
  font-size: 1.8rem;
  font-weight: 700;
}

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

.nav-menu li {
  margin: 0 15px;
}

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

body.light-theme .nav-menu a {
  color: var(--light-text-primary);
}

.nav-menu a:hover {
  color: var(--accent-primary);
}

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

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

.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  transition: var(--transition);
  background-color: var(--text-primary);
}

/* Home Section */
.home-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.hero-content {
  flex: 1;
  padding-right: 50px;
}

.animated-text {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: textGlow 2s infinite alternate;
}

@keyframes textGlow {
  0% {
    text-shadow: 0 0 10px rgba(0, 238, 255, 0.5);
  }
  100% {
    text-shadow: 0 0 20px rgba(0, 238, 255, 0.8), 0 0 30px rgba(255, 0, 238, 0.5);
  }
}

.subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
}

.hero-image {
  flex: 1;
}

.code-preview {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
}

body.light-theme .code-preview {
  background: var(--light-bg-secondary);
  border-color: var(--light-border-color);
}

.code-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0.1;
}

.code-preview pre {
  margin: 0;
  overflow-x: auto;
}

.code-preview code {
  color: var(--accent-tertiary);
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  line-height: 1.5;
}

/* Skills Section */
.skills-section {
  background: var(--bg-secondary);
}

body.light-theme .skills-section {
  background: var(--light-bg-secondary);
}

.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.skill-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

body.light-theme .skill-card {
  background: var(--light-card-bg);
  border-color: var(--light-border-color);
}

.skill-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.skill-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--accent-primary);
}

.skill-card h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  overflow: hidden;
}

body.light-theme .progress-bar {
  background: rgba(0, 0, 0, 0.1);
}

.progress {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 5px;
  position: relative;
  width: 0;
  transition: width 1s ease-in-out;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.project-card {
  background: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

body.light-theme .project-card {
  background: var(--light-card-bg);
  border-color: var(--light-border-color);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

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

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

.project-content {
  padding: 25px;
}

.project-content h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.project-content p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

body.light-theme .project-content p {
  color: var(--light-text-secondary);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.tag {
  background: rgba(0, 238, 255, 0.1);
  color: var(--accent-primary);
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-right: 10px;
  margin-bottom: 10px;
}

.project-links {
  display: flex;
  gap: 15px;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.btn-link:hover {
  color: var(--accent-secondary);
}

.btn-link i {
  margin-right: 5px;
}

/* Blog Section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.blog-card {
  background: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

body.light-theme .blog-card {
  background: var(--light-card-bg);
  border-color: var(--light-border-color);
}

.blog-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

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

.blog-content {
  padding: 25px;
}

.blog-content h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
}

.blog-excerpt {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

body.light-theme .blog-excerpt {
  color: var(--light-text-secondary);
}

.read-more {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.read-more:hover {
  color: var(--accent-secondary);
}

.read-more::after {
  content: '→';
  margin-left: 5px;
  transition: var(--transition);
}

.read-more:hover::after {
  transform: translateX(5px);
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.contact-info p {
  margin-bottom: 30px;
  color: var(--text-secondary);
}

body.light-theme .contact-info p {
  color: var(--light-text-secondary);
}

.social-links {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  font-size: 1.3rem;
  transition: var(--transition);
  text-decoration: none;
}

body.light-theme .social-links a {
  background: var(--light-bg-secondary);
  color: var(--light-text-primary);
}

.social-links a:hover {
  transform: translateY(-5px);
  background: var(--accent-primary);
  color: var(--bg-primary);
  box-shadow: 0 5px 15px rgba(0, 238, 255, 0.4);
}

.contact-details p {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  color: var(--text-secondary);
}

body.light-theme .contact-details p {
  color: var(--light-text-secondary);
}

.contact-details i {
  margin-right: 10px;
  color: var(--accent-primary);
  width: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border-radius: 5px;
  border: 1px solid var(--border-color);
  background: rgba(26, 26, 46, 0.5);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

body.light-theme .form-group input,
body.light-theme .form-group textarea {
  background: var(--light-bg-secondary);
  border-color: var(--light-border-color);
  color: var(--light-text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 238, 255, 0.2);
}

/* Footer */
footer {
  background: var(--bg-secondary);
  padding: 30px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

body.light-theme footer {
  background: var(--light-bg-secondary);
  border-color: var(--light-border-color);
}

footer p {
  margin-bottom: 10px;
  color: var(--text-secondary);
}

body.light-theme footer p {
  color: var(--light-text-secondary);
}

.developer-credit a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: var(--transition);
}

.developer-credit a:hover {
  color: var(--accent-secondary);
}

/* Particles Background */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Responsive Design */
@media screen and (max-width: 992px) {
  .hero-content {
    padding-right: 0;
    margin-bottom: 50px;
  }
  
  .home-section .container {
    flex-direction: column;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .projects-grid,
  .blog-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media screen and (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .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: var(--bg-secondary);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
  }
  
  body.light-theme .nav-menu {
    background-color: var(--light-bg-secondary);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: 15px 0;
  }
  
  .animated-text {
    font-size: 2.5rem;
  }
  
  .subtitle {
    font-size: 1.2rem;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .secondary-btn {
    margin-left: 0;
    margin-top: 15px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media screen and (max-width: 576px) {
  .projects-grid,
  .blog-grid,
  .skills-container {
    grid-template-columns: 1fr;
  }
  
  .animated-text {
    font-size: 2rem;
  }
  
  .project-links {
    flex-direction: column;
    gap: 10px;
  }
}