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

:root {
  /* DevOps Color Palette */
  --primary: #00d4aa;
  --primary-glow: rgba(0, 212, 170, 0.4);
  --secondary: #0099ff;
  --secondary-glow: rgba(0, 153, 255, 0.4);
  --accent: #ff6b35;
  --warning: #f59e0b;
  --success: #10b981;
  
  /* Dark Theme */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-card: #161b22;
  
  /* Text */
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  
  /* Border */
  --border: #30363d;
  --border-light: #21262d;
  
  /* Code Colors */
  --code-keyword: #ff7b72;
  --code-string: #a5d6ff;
  --code-value: #79c0ff;
  --code-comment: #8b949e;
  
  /* Fonts */
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, Consolas, monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition: 200ms ease;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

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

/* Background Effects */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 212, 170, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.1;
  pointer-events: none;
  z-index: 0;
}

.bg-glow-1 {
  top: -150px;
  right: -100px;
  background: var(--primary);
}

.bg-glow-2 {
  bottom: -150px;
  left: -100px;
  background: var(--secondary);
}

/* Scanlines */
.scanlines::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.1),
    rgba(0, 0, 0, 0.1) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 9999;
  opacity: 0.2;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(13, 17, 23, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-4) var(--spacing-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.logo-prefix {
  color: var(--primary);
  margin-right: var(--spacing-1);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.lang-switch {
  display: flex;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 2px;
}

.lang-btn {
  padding: var(--spacing-1) var(--spacing-3);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--primary);
  color: var(--bg-primary);
}

/* Main */
main {
  position: relative;
  z-index: 1;
  padding-top: 72px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  padding: var(--spacing-12) 0;
}

.hero-content {
  width: 100%;
}

.terminal-window {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 
    0 0 0 1px var(--border-light),
    0 8px 32px rgba(0, 0, 0, 0.3);
}

.terminal-header {
  background: var(--bg-tertiary);
  padding: var(--spacing-3) var(--spacing-4);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: auto;
}

.terminal-body {
  padding: var(--spacing-4);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.terminal-line {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-2);
}

.terminal-prompt {
  color: var(--primary);
  margin-right: var(--spacing-2);
}

.terminal-command {
  color: var(--text-primary);
}

.terminal-cursor {
  width: 8px;
  height: 16px;
  background: var(--primary);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.terminal-output {
  margin: var(--spacing-3) 0;
}

.yaml-content {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  white-space: pre-wrap;
}

.yaml-key {
  color: var(--code-keyword);
}

.yaml-value {
  color: var(--code-value);
}

.yaml-string {
  color: var(--code-string);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-3);
  margin-top: var(--spacing-8);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-5);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: transparent;
  color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

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

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

/* Sections */
.section {
  padding: var(--spacing-16) 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  margin-bottom: var(--spacing-10);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-2);
}

.comment {
  color: var(--code-comment);
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-4);
}

.skill-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
  transition: var(--transition);
}

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

.skill-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.skill-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.skill-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
}

.skill-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.skill-tag {
  padding: var(--spacing-1) var(--spacing-2);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.skill-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Highlights */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-4);
}

.highlight-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
  transition: var(--transition);
}

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

.highlight-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.highlight-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Experience Cards */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.experience-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.experience-card:hover {
  border-color: var(--primary);
}

.experience-header {
  padding: var(--spacing-5);
  border-bottom: 1px solid var(--border);
}

.experience-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-2);
}

.experience-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary);
}

.experience-duration {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px var(--spacing-2);
  border-radius: var(--radius-sm);
}

.experience-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.experience-company {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

.company-name {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--secondary);
  text-decoration: none;
  transition: var(--transition);
}

.company-name:hover {
  color: var(--primary);
  text-decoration: underline;
}

.company-alias {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.company-location {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.company-location::before {
  content: '·';
  margin-right: var(--spacing-2);
}

.experience-body {
  padding: var(--spacing-5);
}

.experience-desc {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-4);
}

.experience-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.tech-tag {
  padding: var(--spacing-1) var(--spacing-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Education */
.education-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
}

.education-icon {
  font-size: 2rem;
}

.education-degree {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
}

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

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-4);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  transition: var(--transition);
}

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

.contact-icon {
  font-size: 1.25rem;
}

.contact-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.contact-value {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.contact-value a {
  color: var(--primary);
  text-decoration: none;
}

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

/* Footer */
footer {
  padding: var(--spacing-8) 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

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

.footer-prefix {
  color: var(--primary);
}

.footer-cursor {
  color: var(--primary);
  animation: blink 1s step-end infinite;
}

/* Animation */
.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav-container {
    padding: var(--spacing-3) var(--spacing-4);
  }

  .container {
    padding: 0 var(--spacing-4);
  }

  .hero {
    min-height: auto;
    padding: var(--spacing-8) 0;
  }

  .terminal-body {
    font-size: 0.75rem;
  }

  .yaml-content {
    font-size: 0.7rem;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: var(--spacing-10) 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

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

  .experience-header,
  .experience-body {
    padding: var(--spacing-4);
  }

  .experience-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-1);
  }

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

  .nav-right {
    gap: var(--spacing-2);
  }

  .status-indicator span:not(.status-dot) {
    display: none;
  }
}