/* style.css - Premium Portfolio Styling for Anjana P */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Dark Theme variables (default) */
  --bg-color: #080c14;
  --bg-gradient: radial-gradient(circle at 50% 0%, #111a2e 0%, #080c14 100%);
  --card-bg: rgba(13, 20, 38, 0.45);
  --card-border: rgba(255, 255, 255, 0.06);
  --card-hover-border: rgba(99, 102, 241, 0.4);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  /* Brand colors */
  --primary: #6366f1; /* Indigo */
  --primary-glow: rgba(99, 102, 241, 0.15);
  --secondary: #06b6d4; /* Teal */
  --secondary-glow: rgba(6, 182, 212, 0.15);
  --accent: #a855f7; /* Purple */
  --success: #10b981; /* Emerald */
  --success-glow: rgba(16, 185, 129, 0.2);
  --danger: #ef4444; /* Rose */
  --danger-glow: rgba(239, 68, 68, 0.2);
  
  --terminal-bg: #0a0e17;
  --terminal-bar: #161f30;
  --terminal-text: #34d399; /* Green coding font */
  
  /* Terminal log colors */
  --log-info: #60a5fa;
  --log-success: #34d399;
  --log-warning: #fbbf24;
  --log-error: #f87171;
  --log-accent: #c084fc;
  --log-cmd: #ffffff;

  /* Custom component backgrounds */
  --input-bg: rgba(0, 0, 0, 0.2);
  --footer-bg: rgba(8, 12, 20, 0.98);

  --font-sans: 'Outfit', sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px 2px rgba(99, 102, 241, 0.15);
  --shadow-glow-success: 0 0 20px 2px rgba(16, 185, 129, 0.2);
}

[data-theme="light"] {
  /* Light Theme variables - Beautiful Premium Palette */
  --bg-color: #f1f5f9; /* Warm Slate 100 */
  --bg-gradient: radial-gradient(circle at 50% 0%, #e2e8f0 0%, #f1f5f9 100%);
  --card-bg: rgba(255, 255, 255, 0.75);
  --card-border: rgba(99, 102, 241, 0.08); /* Indigo tinted */
  --card-hover-border: rgba(99, 102, 241, 0.35);
  --text-primary: #0f172a; /* Slate 900 */
  --text-secondary: #334155; /* Slate 700 */
  --text-muted: #64748b; /* Slate 500 */
  
  --primary: #4f46e5; /* Strong Indigo */
  --primary-glow: rgba(99, 102, 241, 0.15);
  --secondary: #0891b2; /* Strong Teal */
  --secondary-glow: rgba(8, 145, 178, 0.15);
  --accent: #7c3aed; /* Strong Purple */
  --success: #059669; /* Strong Emerald */
  --success-glow: rgba(5, 150, 105, 0.15);
  --danger: #dc2626; /* Strong Red */
  --danger-glow: rgba(220, 38, 38, 0.15);
  
  /* Xcode / Developer Light style terminal */
  --terminal-bg: #ffffff;
  --terminal-bar: #e2e8f0;
  --terminal-text: #0f172a;
  
  --log-info: #1d4ed8;
  --log-success: #047857;
  --log-warning: #b45309;
  --log-error: #b91c1c;
  --log-accent: #6d28d9;
  --log-cmd: #0f172a;

  --input-bg: rgba(255, 255, 255, 0.85);
  --footer-bg: #e2e8f0;
  
  --shadow-premium: 0 20px 40px -15px rgba(15, 23, 42, 0.07), 0 0 0 1px rgba(99, 102, 241, 0.04);
  --shadow-glow: 0 0 25px 2px rgba(99, 102, 241, 0.07);
  --shadow-glow-success: 0 0 25px 2px rgba(5, 150, 105, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.5s ease;
}

/* Grid & Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Glow decoration blur backgrounds */
.glow-blur-1, .glow-blur-2 {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  opacity: 0.25;
  pointer-events: none;
}

.glow-blur-1 {
  background: var(--primary);
  top: 15%;
  right: 10%;
}

.glow-blur-2 {
  background: var(--secondary);
  bottom: 25%;
  left: 5%;
}

/* Header & Floating Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(var(--bg-color), 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.5rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: var(--shadow-glow-success);
  animation: pulse-ring 2s infinite;
}

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: var(--transition-fast);
}

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

nav a:hover::after {
  width: 100%;
}

/* Theme Switcher */
.theme-btn {
  background: none;
  border: 1px solid var(--card-border);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.theme-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: scale(1.05);
}

.theme-btn svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

/* Glassmorphism Card Style */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 2.5rem;
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
  pointer-events: none;
}

.glass-card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-premium);
}

/* Animations */
@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
  }
  70% {
    transform: scale(1.1);
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

@keyframes pulse-ring-danger {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(239, 110, 110, 0.5);
  }
  70% {
    transform: scale(1.1);
    box-shadow: 0 0 0 8px rgba(239, 110, 110, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(239, 110, 110, 0);
  }
}

/* Hero Section */
.hero-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: calc(100vh - 4.5rem);
  padding-top: 2rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.badge-status {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  background: var(--success-glow);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--success);
}

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

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.hero-subtitle span {
  color: var(--secondary);
  border-right: 2px solid var(--secondary);
  animation: blink-caret 0.75s step-end infinite;
  padding-right: 2px;
}

@keyframes blink-caret {
  from, to { border-color: transparent }
  50% { border-color: var(--secondary); }
}

.hero-summary {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

/* QA Interactive Terminal Component */
.terminal-container {
  width: 100%;
  max-height: 480px;
  border-radius: 12px;
  background: var(--terminal-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-premium);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.terminal-header {
  background: var(--terminal-bar);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-buttons {
  display: flex;
  gap: 6px;
}

.term-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.term-btn.red { background: #ff5f56; }
.term-btn.yellow { background: #ffbd2e; }
.term-btn.green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--terminal-text);
  overflow-y: auto;
  flex-grow: 1;
  min-height: 320px;
  max-height: 320px;
  scroll-behavior: smooth;
}

.terminal-body p {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.terminal-body .cmd-input {
  color: var(--log-cmd);
}

.terminal-body .cmd-input::before {
  content: 'anjana@qa-automation:~$ ';
  color: var(--primary);
  font-weight: bold;
}

.terminal-body .log-info { color: var(--log-info); }
.terminal-body .log-success { color: var(--log-success); }
.terminal-body .log-warning { color: var(--log-warning); }
.terminal-body .log-error { color: var(--log-error); }
.terminal-body .log-accent { color: var(--log-accent); }

.terminal-footer {
  padding: 0.75rem 1.5rem;
  background: var(--terminal-bar);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.run-suite-btn {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  border: none;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.run-suite-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

.run-suite-btn:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.suite-stats {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  gap: 1.5rem;
}

.suite-stats span strong {
  color: var(--text-primary);
}

/* Sections General Header */
.section-title-wrapper {
  margin-bottom: 4rem;
  text-align: center;
}

.section-tagline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -1px;
}

/* Skills Matrix */
.skills-filter {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  padding: 0.5rem 1.25rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.skill-category-card {
  height: 100%;
}

.skill-category-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.75rem;
}

.skill-category-card h3 svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.skill-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: var(--transition-fast);
}

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

.skill-tag:hover::before {
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
}

/* Highlighted state triggered by JS interaction */
.skill-tag.active-highlight {
  background: var(--secondary-glow) !important;
  border-color: var(--secondary) !important;
  color: var(--text-primary) !important;
  transform: scale(1.05);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

.skill-tag.active-highlight::before {
  background: var(--secondary);
  box-shadow: 0 0 6px var(--secondary);
}

/* Work Experience Timeline */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 31px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 50%, var(--card-border) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3.5rem;
  padding-left: 5rem;
}

.timeline-icon {
  position: absolute;
  left: 12px;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-color);
  border: 3px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  transition: var(--transition-smooth);
}

.timeline-icon svg {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--primary);
  transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-icon {
  border-color: var(--secondary);
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

.timeline-item:hover .timeline-icon svg {
  color: var(--secondary);
}

.timeline-card {
  padding: 2rem;
}

.timeline-header-info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.timeline-title h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-company span.role-badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--secondary);
  font-weight: 500;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
}

.timeline-content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.timeline-content li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.timeline-content li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--success);
  font-weight: bold;
}

/* Bullet item highlighting styles */
.timeline-content li.highlighted-bullet {
  color: var(--text-primary);
  transform: translateX(4px);
  text-shadow: 0 0 1px rgba(255,255,255,0.2);
}

.timeline-content li.highlighted-bullet::before {
  color: var(--secondary);
  text-shadow: 0 0 8px var(--secondary);
  content: '➔';
}

/* Highlighted container glow */
.timeline-card.highlighted-card {
  border-color: var(--secondary) !important;
  box-shadow: var(--shadow-glow), var(--shadow-premium) !important;
}

/* Key Competencies & Education */
.competencies-education-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.edu-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.edu-card {
  padding: 2rem;
}

.edu-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.edu-degree {
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 1rem;
}

.edu-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.competencies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.competency-card {
  padding: 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.competency-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 0.5rem;
  transition: var(--transition-smooth);
}

.competency-card:hover .competency-icon {
  background: var(--primary);
  color: #fff;
  transform: rotateY(180deg);
}

.competency-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Defect Diagnostic Meter */
.diagnostic-box {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 1rem;
}

.diagnostic-card {
  padding: 2rem;
  text-align: center;
  background: var(--card-bg);
}

.diagnostic-num {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.diagnostic-num.success-color {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.diagnostic-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.5rem;
}

/* Contact Section */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-title h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-info-title p {
  color: var(--text-secondary);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: var(--transition-smooth);
}

.contact-item:hover {
  border-color: var(--primary);
  transform: translateX(4px);
  background: rgba(99, 102, 241, 0.05);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  border: 1px solid var(--card-border);
  transition: var(--transition-fast);
}

.contact-item:hover .contact-icon {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

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

.contact-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-value {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.05rem;
}

/* Contact Form styling */
.contact-form-card {
  padding: 3rem;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 0.85rem 1.2rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

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

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--card-bg);
}

.submit-message {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-top: 1rem;
  display: none;
}

.submit-message.success {
  display: block;
  color: var(--success);
}

.submit-message.error {
  display: block;
  color: var(--danger);
}

/* Footer styling */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--card-border);
  background: var(--footer-bg);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-link {
  transition: var(--transition-fast);
  color: var(--text-muted);
}

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

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-top: 6rem;
    min-height: auto;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .badge-status {
    align-self: center;
  }
  
  .hero-summary {
    max-width: 100%;
  }

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-top: 7rem;
    min-height: auto;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-summary {
    max-width: 100%;
  }

  .competencies-education-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.25rem;
  }
  
  .nav-container {
    height: 4rem;
  }
  
  /* Keep only theme switcher visible in the top header nav */
  nav ul li:not(:last-child) {
    display: none;
  }
  
  /* Mobile timeline styling to maximize horizontal space */
  .timeline::before {
    display: none;
  }
  
  .timeline-item {
    padding-left: 0;
    margin-bottom: 2rem;
  }
  
  .timeline-icon {
    position: relative;
    left: 0;
    margin-bottom: 1rem;
    display: inline-flex;
  }
  
  .timeline-card {
    padding: 1.5rem;
  }
  
  .diagnostic-box {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .contact-form-card {
    padding: 2rem;
  }

  .competencies-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .terminal-body {
    padding: 0.75rem;
    font-size: 0.75rem;
    min-height: 240px;
    max-height: 240px;
  }
  
  .terminal-footer {
    padding: 0.5rem 0.75rem;
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
  }
  
  .run-suite-btn {
    justify-content: center;
  }
  
  .suite-stats {
    justify-content: space-around;
  }
}

/* Mobile Bottom Dock Navigation */
.mobile-nav-dock {
  display: none;
}

@media (max-width: 768px) {
  .mobile-nav-dock {
    display: flex;
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 3rem);
    max-width: 400px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 40px;
    padding: 0.6rem 1.5rem;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-premium), var(--shadow-glow);
    z-index: 999;
    transition: var(--transition-smooth);
  }

  .dock-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 600;
    transition: var(--transition-fast);
  }

  .dock-item svg {
    color: var(--text-secondary);
    transition: var(--transition-fast);
  }

  .dock-item:hover, .dock-item.active {
    color: var(--primary);
  }

  .dock-item:hover svg, .dock-item.active svg {
    transform: translateY(-2px);
    color: var(--primary);
  }
}