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

:root {
  /* Color Palette - Sophisticated Dark Theme */
  --primary-color: #3b82f6;
  --primary-dark: #2563eb;
  --secondary-color: #64748b;
  --accent-color: #06b6d4;

  /* Background Colors */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  /* Border Colors */
  --border-color: #334155;
  --border-light: #475569;

  /* Typography */
  --font-primary: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Spacing */
  --section-padding: 5rem 0;
  --container-padding: 0 1rem;

  /* Transitions */
  --transition: all 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-accent {
  color: var(--primary-color);
}

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

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

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

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

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

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 8rem 0 5rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.title-line {
  display: block;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
}

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

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: 1rem;
  border: 1px solid var(--border-color);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Section Styles */
section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-intro {
  font-size: 1.2rem;
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.highlight {
  display: flex;
  gap: 1rem;
  align-items: start;
}

.highlight i {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-top: 0.25rem;
}

.highlight h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.highlight p {
  color: var(--text-muted);
  margin: 0;
}

.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info,
.certifications-preview {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--border-color);
}

.contact-info h3,
.certifications-preview h3 {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.contact-item i {
  color: var(--primary-color);
  width: 20px;
}

.contact-item a {
  color: var(--text-secondary);
  text-decoration: none;
}

.contact-item a:hover {
  color: var(--primary-color);
}

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

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: 0.5rem;
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.cert-item {
  display: flex;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

.cert-item i {
  color: var(--primary-color);
  font-size: 1.25rem;
  margin-top: 0.25rem;
}

.cert-item h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.cert-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.cert-link {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.cert-link:hover {
  text-decoration: underline;
}

/* Experience Section */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 5rem;
}

.timeline-marker {
  position: absolute;
  left: 1.25rem;
  top: 0.5rem;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--primary-color);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
}

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

.timeline-header {
  margin-bottom: 1.5rem;
}

.timeline-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.company {
  color: var(--primary-color);
  font-weight: 600;
}

.duration {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: block;
  margin-top: 0.25rem;
}

.timeline-achievements {
  list-style: none;
}

.timeline-achievements li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.timeline-achievements li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

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

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

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

.skill-category h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

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

.skill-tag {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

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

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

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

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 1rem;
}

.project-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.project-period {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-family: var(--font-mono);
}

.project-subtitle {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.project-achievements li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.project-achievements li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

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

.project-tech span {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Articles Section */
.articles {
  background: var(--bg-secondary);
}

.articles-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.articles-intro {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.medium-stats {
  margin-top: 2rem;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 1rem;
  border: 1px solid var(--border-color);
}

.medium-stats .stat {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: none;
  padding: 0;
  border: none;
}

.medium-stats .stat i {
  font-size: 2rem;
  color: var(--primary-color);
}

.articles-cta {
  text-align: center;
  background: var(--bg-card);
  padding: 3rem;
  border-radius: 1rem;
  border: 1px solid var(--border-color);
}

.articles-cta h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.articles-cta p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-text h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.contact-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition);
}

.contact-method:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.contact-method i {
  color: var(--primary-color);
  font-size: 1.25rem;
  width: 24px;
}

.contact-method h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.contact-method p {
  margin: 0;
  font-size: 0.9rem;
}

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

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-family: var(--font-primary);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

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

.footer-text {
  color: var(--text-muted);
}

.footer-text{
  /* display: inline-block; */
  margin-left: 0.1rem;
  filter: grayscale(100%) brightness(85%);
}
.batman-icon {
width: 42px;
height: 42px;
vertical-align: -10px;
margin-top: 8px;
}

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-color);
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--bg-secondary);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

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

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

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

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-stats {
    flex-direction: row;
    justify-content: center;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .articles-content {
    grid-template-columns: 1fr;
  }

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

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

  .timeline::before {
    left: 1rem;
  }

  .timeline-item {
    padding-left: 3rem;
  }

  .timeline-marker {
    left: 0.25rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 6rem 0 3rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    flex-direction: column;
  }

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

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