/* CSS Variables */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #64748b;
  --accent: #f59e0b;
  --background: #ffffff;
  --surface: #f8fafc;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "Monaco", "Menlo", monospace;

  /* Syntax highlighting colors */
  --syntax-keyword: #d73a49;
  --syntax-string: #032f62;
  --syntax-function: #6f42c1;
  --syntax-property: #005cc5;
  --syntax-comment: #6a737d;
  --syntax-number: #005cc5;
}

[data-theme="dark"] {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #94a3b8;
  --background: #0f172a;
  --surface: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border: #334155;

  /* Dark theme syntax highlighting */
  --syntax-keyword: #ff7b72;
  --syntax-string: #a5d6ff;
  --syntax-function: #d2a8ff;
  --syntax-property: #79c0ff;
  --syntax-comment: #8b949e;
  --syntax-number: #79c0ff;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: var(--transition);
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  font-weight: 600;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 0.875rem;
}

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

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

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

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

[data-theme="dark"] .nav {
  background: rgba(15, 23, 42, 0.95);
}

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

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  font-family: var(--font-mono);
}

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

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

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

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

.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--primary);
  color: white;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0;
  background: linear-gradient(
    135deg,
    rgba(37, 99, 235, 0.05) 0%,
    rgba(245, 158, 11, 0.05) 100%
  );
}

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

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-greeting {
  display: block;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.hero-name {
  display: block;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  display: block;
  color: var(--text-secondary);
  font-size: 2rem;
  margin-top: 0.5rem;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.stat {
  text-align: center;
}

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

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

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

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.code-snippet {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  width: 100%;
}

.code-header {
  background: var(--primary);
  color: white;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.code-dots {
  display: flex;
  gap: 0.25rem;
}

.code-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
}

.code-title {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.code-content {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  background: #0d1117;
  color: #e6edf3;
}

[data-theme="light"] .code-content {
  background: #ffffff;
  color: #24292f;
}

/* Syntax highlighting styles */
.keyword {
  color: var(--syntax-keyword);
  font-weight: 600;
}
.string {
  color: var(--syntax-string);
}
.function {
  color: var(--syntax-function);
  font-weight: 500;
}
.property {
  color: var(--syntax-property);
}
.comment {
  color: var(--syntax-comment);
  font-style: italic;
}
.number {
  color: var(--syntax-number);
}
.punctuation {
  color: var(--text-secondary);
}

/* About Section */
.about {
  padding: 6rem 0;
  background: var(--surface);
}

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

.about-text h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.about-text h3:first-child {
  margin-top: 0;
}

.about-text h3::before {
  content: "";
  width: 4px;
  height: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 2px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.highlight-item {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
  transition: var(--transition);
}

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

.highlight-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.highlight-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.profile-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.profile-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.profile-info h4 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.profile-info h4::before {
  content: "👨‍💻";
  font-size: 1.5rem;
}

.profile-info ul {
  list-style: none;
}

.profile-info li {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.profile-info li:hover {
  background: var(--surface);
  transform: translateX(4px);
}

.profile-info li::before {
  content: "▶";
  color: var(--primary);
  font-size: 0.75rem;
}

.journey-timeline {
  margin-top: 2rem;
  position: relative;
  padding-left: 2rem;
}

.journey-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
  padding-left: 1rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 0.5rem;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  border: 2px solid var(--background);
}

.timeline-year {
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.timeline-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Skills Section */
.skills {
  padding: 6rem 0;
}

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

.skill-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.skill-category h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.skills-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.skill-item img {
  width: 24px;
  height: 24px;
}

.skill-item span {
  font-weight: 500;
  color: var(--text-primary);
}

/* Projects Section */
.projects {
  padding: 6rem 0;
  background: var(--surface);
}

.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.project-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 300px;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  transition: var(--transition);
}
.contact-icon img,
.social-links a img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(37, 99, 235, 0.9),
    rgba(245, 158, 11, 0.9)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

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

.project-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border: 2px solid white;
  border-radius: var(--radius);
  transition: var(--transition);
}

.project-link:hover {
  background: white;
  color: var(--primary);
}

.project-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

.project-header h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
}

.project-type {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--surface);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius);
}

.project-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

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

.project-tech span {
  font-size: 0.75rem;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius);
}

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

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

.contact-info h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-secondary);
  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(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
}

.contact-method:hover {
  border-color: var(--primary);
  transform: translateX(4px);
}

.contact-icon {
  font-size: 1.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.contact-value {
  font-weight: 500;
  color: var(--text-primary);
}

.contact-links {
  text-align: center;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.25rem;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .nav-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

  .hero-title {
    font-size: 2.5rem;
  }

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

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

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

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

  .project-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

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

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .skills-list {
    grid-template-columns: 1fr;
  }
}
.all-projects-link {
  text-align: center;
  margin-top: 3rem;
}

.all-projects-link .btn {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}