/* ==========================================================================
   Executive Light Mode Design System
   ========================================================================== */

/* Executive Light / Dark Palette */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Executive Light Palette (Default) */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-navbar: rgba(255, 255, 255, 0.92);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --border-light: #e2e8f0;
  --border-subtle: #cbd5e1;

  /* Hero Gradient Variables */
  --hero-gradient-start: #ffffff;
  --hero-title-gradient: linear-gradient(135deg, #0f172a 0%, #334155 100%);

  /* Accent Colors */
  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-light: #eff6ff;

  --accent-success: #059669;
  --accent-success-light: #ecfdf5;

  --accent-ai: #0d9488;
  --accent-ai-light: #f0fdfa;

  /* Shadow & Elevation */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Executive Dark Mode Overrides */
[data-theme="dark"] {
  --bg-main: #0b0f19;
  --bg-surface: #111827;
  --bg-subtle: #1f2937;
  --bg-navbar: rgba(17, 24, 39, 0.92);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --border-light: #1f2937;
  --border-subtle: #374151;

  --hero-gradient-start: #111827;
  --hero-title-gradient: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);

  --accent-primary: #3b82f6;
  --accent-primary-hover: #60a5fa;
  --accent-light: rgba(59, 130, 246, 0.15);

  --accent-success: #10b981;
  --accent-success-light: rgba(16, 185, 129, 0.15);

  --accent-ai: #14b8a6;
  --accent-ai-light: rgba(20, 184, 166, 0.15);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

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

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

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

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

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

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Section Common Styles */
section {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 48px;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  background: var(--accent-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background-color: var(--accent-primary-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  color: var(--accent-primary);
  transform: translateY(-1px);
}

.btn-outline-sm {
  padding: 6px 16px;
  font-size: 0.875rem;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
}

.btn-outline-sm:hover {
  background: var(--accent-light);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-accent {
  background-color: var(--accent-light);
  color: var(--accent-primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-navbar);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--bg-subtle);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.theme-toggle-btn .sun-icon {
  display: none;
}

.theme-toggle-btn .moon-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle-btn .sun-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle-btn .moon-icon {
  display: none;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.nav-links a.nav-highlight {
  color: var(--accent-ai);
  font-weight: 600;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  padding: 90px 0 60px;
  background: linear-gradient(180deg, var(--hero-gradient-start) 0%, var(--bg-main) 100%);
  border-bottom: 1px solid var(--border-light);
}

.hero-content {
  max-width: 840px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-success);
  background-color: var(--accent-success-light);
  border: 1px solid rgba(5, 150, 105, 0.2);
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-success);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(5, 150, 105, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0); }
}

.hero-title {
  font-size: 3.5rem;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 8px;
  background: var(--hero-title-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 20px;
}

.hero-summary {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-contact-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.contact-pill:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  align-items: center;
}

/* Resume Preview Hover Card */
.resume-preview-wrapper {
  position: relative;
  display: inline-block;
}

.resume-preview-card {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 320px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  padding: 16px;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  z-index: 100;
}

.resume-preview-card::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background-color: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  border-top: 1px solid var(--border-subtle);
}

.resume-preview-wrapper:hover .resume-preview-card,
.resume-preview-wrapper:focus-within .resume-preview-card {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 8px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}

.preview-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-primary);
  background-color: var(--accent-light);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.preview-format {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.preview-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
}

.preview-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.preview-summary {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 12px;
}

.preview-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.p-chip {
  font-size: 0.6875rem;
  font-weight: 600;
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.preview-footer {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  padding-top: 8px;
  border-top: 1px dashed var(--border-light);
  text-align: center;
}

/* Stats / Highlights Section */
.stats-section {
  padding: 40px 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  padding: 24px;
  text-align: center;
  border-right: 1px solid var(--border-light);
}

.stat-card:last-child {
  border-right: none;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Spotlight Section (AI Innovation) */
.spotlight-section {
  background-color: var(--bg-main);
}

.spotlight-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.spotlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-ai) 100%);
}

.spotlight-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.spotlight-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--accent-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.spotlight-title {
  font-size: 1.5rem;
  margin-top: 4px;
}

.spotlight-text {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.agent-item {
  background-color: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition-fast);
}

.agent-item:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.agent-item-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.agent-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.highlight-box {
  background-color: var(--accent-success-light);
  border-color: rgba(5, 150, 105, 0.3);
}

.text-success {
  color: var(--accent-success);
}

.ai-tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.ai-tool-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 14px;
  background-color: var(--accent-ai-light);
  color: var(--accent-ai);
  border: 1px solid rgba(13, 148, 136, 0.2);
  border-radius: var(--radius-full);
}

/* Skills Section */
.skills-section {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.skills-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-btn.active {
  background-color: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.skill-category-card {
  background-color: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-normal);
}

.skill-category-card:hover {
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.skill-category-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
}

.skill-category-title svg {
  color: var(--accent-primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-chip {
  font-size: 0.84375rem;
  font-weight: 500;
  padding: 6px 12px;
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
}

.skill-chip small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.skill-chip.proficient {
  font-weight: 600;
  color: var(--text-primary);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.skill-chip.ai-highlight {
  background-color: var(--accent-ai-light);
  color: var(--accent-ai);
  border-color: rgba(13, 148, 136, 0.3);
}

/* Experience Section */
.experience-section {
  background-color: var(--bg-main);
}

.experience-timeline {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}

.timeline-item {
  position: relative;
  padding-left: 36px;
  margin-bottom: 48px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 24px;
  bottom: -48px;
  width: 2px;
  background-color: var(--border-light);
}

.timeline-item:last-child::before {
  display: none;
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 6px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 4px solid var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.timeline-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.company-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.role-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.role-period {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--bg-subtle);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.project-box {
  background-color: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
}

.project-header {
  margin-bottom: 12px;
}

.project-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-success);
  background-color: var(--accent-success-light);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
}

.project-title {
  font-size: 1.125rem;
  color: var(--text-primary);
}

.project-duration {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.project-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.project-details h5 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
  margin-top: 16px;
}

.project-details p {
  font-size: 0.90625rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.responsibility-list {
  list-style: none;
  padding-left: 0;
  margin-top: 8px;
}

.responsibility-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.90625rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  line-height: 1.5;
}

.responsibility-list li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--accent-primary);
  font-weight: bold;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-light);
}

.project-tech-stack span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

/* Certifications Section */
.certifications-section {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cert-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background-color: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.cert-card:hover {
  border-color: var(--accent-primary);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.cert-badge-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.github-cert .cert-badge-icon {
  background-color: #24292e;
  color: #ffffff;
}

.google-cert .cert-badge-icon {
  background-color: #ea4335;
  color: #ffffff;
}

.azure-cert .cert-badge-icon {
  background-color: #0078d4;
  color: #ffffff;
}

.postman-cert .cert-badge-icon {
  background-color: #ff6c37;
  color: #ffffff;
}

.cert-issuer {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.cert-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2px 0 6px;
  line-height: 1.35;
}

.verify-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-primary);
}

/* Education Section */
.education-section {
  background-color: var(--bg-main);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.edu-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
}

.edu-degree {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.edu-school {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.edu-grade {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-primary);
}

/* Contact Section */
.contact-section {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
}

.contact-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.contact-title {
  color: #ffffff;
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.contact-lead {
  font-size: 1.125rem;
  color: #94a3b8;
  max-width: 650px;
  margin: 0 auto 40px;
}

.contact-methods {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 32px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #64748b;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.contact-value {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
}

.contact-value:hover {
  color: #60a5fa;
}

/* Footer */
.footer {
  padding: 32px 0;
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-light);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links a {
  color: var(--text-muted);
  font-weight: 600;
}

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

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

@media (max-width: 992px) {
  .hero-title {
    font-size: 2.75rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-card {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }

  .stat-card:nth-child(3), .stat-card:nth-child(4) {
    border-bottom: none;
  }

  .skills-grid, .agent-grid, .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    padding: 20px 24px;
    box-shadow: var(--shadow-md);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .skills-grid, .agent-grid, .cert-grid, .education-grid {
    grid-template-columns: 1fr;
  }

  .timeline-header {
    flex-direction: column;
    gap: 8px;
  }

  .contact-card {
    padding: 36px 24px;
  }

  .contact-methods {
    flex-direction: column;
    gap: 20px;
  }

  .footer-container {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}