/* ============================================================================
   JAGANNATH PANDA - PRINCIPAL CLOUD ARCHITECT PORTFOLIO
   Premium Dark-Mode Portfolio CSS | Bloomberg Terminal × Vercel Aesthetic
   ============================================================================ */

/* ============================================================================
   1. CSS RESET & DESIGN SYSTEM VARIABLES
   ============================================================================ */

:root {
  /* Color Palette */
  --bg-primary: #050B18;
  --bg-secondary: #0A1628;
  --bg-card: #0F1E35;
  --accent-cyan: #00D4FF;
  --accent-gold: #FFB830;
  --text-primary: #E8F4FD;
  --text-muted: #7A9CC0;
  --border: rgba(0, 212, 255, 0.15);
  --glow: 0 0 30px rgba(0, 212, 255, 0.3);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-base: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Global Link Styles - WHITE not blue */
a {
  color: inherit;
  text-decoration: none;
}

a:visited {
  color: inherit;
}

/* Selection */
::selection {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

::-moz-selection {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

/* ============================================================================
   2. CUSTOM SCROLLBAR
   ============================================================================ */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-cyan);
  border-radius: 4px;
  transition: var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
  box-shadow: var(--glow);
}

/* ============================================================================
   3. TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -1px;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.5px;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-muted);
}

code {
  font-family: var(--font-mono);
  background: rgba(0, 212, 255, 0.05);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

/* ============================================================================
   4. CONTAINER & LAYOUT
   ============================================================================ */

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

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

/* ============================================================================
   5. NAVIGATION BAR
   ============================================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(5, 11, 24, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
}

.logo-monogram {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-gold));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

.logo-text {
  color: var(--text-primary);
  font-family: var(--font-display);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  flex: 1;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
}

.nav-menu li {
  list-style: none;
}

.nav-menu a {
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.nav-menu a:hover {
  color: var(--accent-cyan);
}

.btn-resume {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.6rem 1rem;
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-base);
  flex-shrink: 0;
  white-space: nowrap;
  cursor: pointer;
}

.btn-resume:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  box-shadow: var(--glow);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
}

.mobile-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ============================================================================
   6. HERO SECTION
   ============================================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255, 184, 48, 0.05) 0%, transparent 50%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: 0 var(--spacing-lg);
}

.hero-label {
  margin-bottom: var(--spacing-lg);
}

.badge {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-cyan);
}

.hero-title {
  font-size: 4.5rem;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-typewriter {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent-cyan);
  min-height: 50px;
  margin-bottom: var(--spacing-lg);
  display: flex;
  justify-content: center;
  align-items: center;
}

.typewriter-cursor {
  animation: blink 1s infinite;
  margin-left: 5px;
}

@keyframes blink {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0;
  }
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin: var(--spacing-xxl) 0;
  flex-wrap: wrap;
}

.stat-card {
  text-align: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

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

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-buttons {
  margin: var(--spacing-xxl) 0;
}

.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), #00A8CC);
  color: var(--bg-primary);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.5);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  display: block;
  width: 24px;
  height: 24px;
  border: 2px solid var(--accent-cyan);
  border-top: none;
  border-left: none;
  transform: rotate(-45deg);
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}

/* ============================================================================
   7. ABOUT SECTION
   ============================================================================ */

.about {
  background: var(--bg-secondary);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.section-title {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
  margin-bottom: var(--spacing-xxl);
}

.about-image {
  position: relative;
  max-width: 400px;
}

.profile-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 184, 48, 0.05));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.profile-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

.gradient-border {
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-gold)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

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

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.about-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.stats-counters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xxl) 0;
}

.counter-item {
  padding: var(--spacing-lg);
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.counter-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: var(--spacing-sm);
}

.counter-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.career-timeline {
  margin-top: var(--spacing-xxl);
}

.career-timeline h3 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.timeline-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.timeline-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: rgba(0, 212, 255, 0.03);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.timeline-item:hover {
  background: rgba(0, 212, 255, 0.08);
  transform: translateX(10px);
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-cyan);
  flex-shrink: 0;
  position: relative;
  top: 2px;
}

.timeline-content {
  flex: 1;
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.timeline-title {
  font-size: 1.1rem;
  margin: var(--spacing-sm) 0;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ============================================================================
   8. SKILLS SECTION
   ============================================================================ */

.skills {
  background: var(--bg-primary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xxl) 0;
}

.skill-domain {
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.skill-domain:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow);
}

.domain-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  color: var(--accent-cyan);
}

.skill-cards {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.skill-hex {
  position: relative;
  width: 100px;
  height: 100px;
  background: rgba(0, 212, 255, 0.1);
  border: 2px solid var(--accent-cyan);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  overflow: hidden;
}

.skill-hex:hover {
  background: rgba(0, 212, 255, 0.2);
  transform: scale(1.05);
  box-shadow: var(--glow);
}

.hex-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  z-index: 2;
}

.hex-inner i {
  font-size: 1.5rem;
  color: var(--accent-cyan);
}

.hex-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  background: rgba(0, 212, 255, 0.15);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--transition-base);
  border-radius: var(--radius-lg);
}

.skill-hex:hover .hex-overlay {
  opacity: 1;
}

.prof-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-gold);
}

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

.radar-chart-container {
  margin: var(--spacing-xxl) 0;
  text-align: center;
}

.radar-chart-container canvas {
  max-width: 400px;
  margin: 0 auto;
}

.certifications {
  margin-top: var(--spacing-xxl);
}

.certifications-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.cert-category {
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.cert-category:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--accent-cyan);
}

.cert-provider {
  color: var(--accent-cyan);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.cert-list {
  list-style: none;
}

.cert-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.cert-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: 700;
}

/* ============================================================================
   9. PROJECTS SECTION
   ============================================================================ */

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xxl) 0;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  height: 100%;
}

.project-card:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-8px);
  box-shadow: var(--glow);
}

.project-card-inner {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  height: 100%;
}

.project-category {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(255, 184, 48, 0.15);
  color: var(--accent-gold);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-md);
  width: fit-content;
}

.project-title {
  font-size: 1.25rem;
  margin: 0;
  color: var(--text-primary);
}

.project-subtitle {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  margin: 0;
  font-weight: 500;
}

.project-desc {
  flex: 1;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.tech-pill {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-size: 0.8rem;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
}

.project-impact {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--accent-gold);
  font-size: 0.9rem;
  font-weight: 600;
}

.project-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.project-modal.active {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1;
}

.modal-content {
  position: relative;
  z-index: 2;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--spacing-xl);
}

.modal-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-primary);
  transition: color var(--transition-base);
}

.modal-close:hover {
  color: var(--accent-cyan);
}

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

/* ============================================================================
   10. EXPERIENCE SECTION
   ============================================================================ */

.experience-section {
  background: var(--bg-primary);
}

.timeline {
  position: relative;
  margin-top: var(--spacing-xxl);
}

.timeline:before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-gold));
}

.timeline .timeline-item {
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-left: calc(50% + var(--spacing-lg));
}

.timeline .timeline-item:nth-child(odd) {
  padding-left: var(--spacing-lg);
  padding-right: calc(50% + var(--spacing-lg));
  text-align: right;
}

.timeline .timeline-dot {
  position: absolute;
  left: 50%;
  top: var(--spacing-lg);
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: var(--accent-cyan);
  border: 3px solid var(--bg-primary);
  z-index: 2;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.timeline-role {
  font-size: 1.25rem;
  margin: var(--spacing-sm) 0;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: var(--spacing-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

.timeline-item:nth-child(odd) .timeline-company {
  justify-content: flex-start;
}

.timeline-highlights {
  list-style: none;
  margin-top: var(--spacing-md);
  text-align: left;
}

.timeline-item:nth-child(odd) .timeline-highlights {
  text-align: right;
}

.timeline-highlights li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.timeline-highlights li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
}

/* ============================================================================
   11. ACHIEVEMENTS SECTION
   ============================================================================ */

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

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

.achievement-card {
  padding: var(--spacing-lg);
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.achievement-card:before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 184, 48, 0.05));
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 0;
}

.achievement-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-8px);
}

.achievement-card:hover:before {
  opacity: 1;
}

.achievement-icon {
  position: relative;
  z-index: 1;
  width: 60px;
  height: 60px;
  background: rgba(255, 184, 48, 0.15);
  border: 2px solid var(--accent-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 1.5rem;
}

.achievement-title {
  position: relative;
  z-index: 1;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-gold);
}

.achievement-desc {
  position: relative;
  z-index: 1;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.achievement-meta {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
}

.achievement-year,
.achievement-issuer {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* ============================================================================
   12. BLOG SECTION
   ============================================================================ */

.blog-section {
  background: var(--bg-primary);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

.blog-card {
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  height: 100%;
  cursor: pointer;
}

.blog-card:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-8px);
  box-shadow: var(--glow);
}

.blog-card-inner {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  height: 100%;
}

.blog-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(0, 212, 255, 0.15);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-md);
  width: fit-content;
}

.blog-tag.coming-soon {
  background: rgba(255, 184, 48, 0.15);
  color: var(--accent-gold);
}

.blog-title {
  font-size: 1.25rem;
  margin: 0;
  color: var(--text-primary);
}

.blog-excerpt {
  flex: 1;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.blog-meta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: var(--spacing-md);
  margin-top: auto;
}

.blog-date,
.blog-read-time {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================================
   13. CONTACT SECTION
   ============================================================================ */

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  margin-top: var(--spacing-xxl);
}

.contact-form-wrapper {
  display: flex;
  flex-direction: column;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-md);
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

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

.btn-submit {
  padding: var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(135deg, var(--accent-cyan), #00A8CC);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 1rem;
  font-family: var(--font-body);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

.contact-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-info-card {
  padding: var(--spacing-lg);
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--accent-cyan);
}

.info-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 184, 48, 0.15);
  border: 2px solid var(--accent-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.contact-info-card h4 {
  margin: 0 0 var(--spacing-sm);
  color: var(--text-primary);
  font-size: 1.1rem;
}

.contact-info-card p {
  margin: 0;
  font-size: 0.95rem;
}

.social-links .social-icons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  transition: all var(--transition-base);
}

.social-links a:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  transform: translateY(-3px);
}

.availability {
  background: rgba(255, 184, 48, 0.05);
  border-color: var(--accent-gold);
}

.availability p {
  color: var(--text-primary);
  margin: 0;
  font-weight: 500;
}

/* ============================================================================
   14. FOOTER
   ============================================================================ */

.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: var(--spacing-xxl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xxl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-section h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-lg);
  color: var(--accent-cyan);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--text-muted);
  transition: color var(--transition-base);
}

.footer-section a:hover {
  color: var(--accent-cyan);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ============================================================================
   15. ANIMATIONS & UTILITIES
   ============================================================================ */

/* Animation is handled by GSAP. This CSS is fallback only.
   GSAP sets initial opacity/transform via JS, so we do NOT
   set opacity:0 in CSS to avoid double-hiding conflicts. */
.animate-on-scroll.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--accent-cyan);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: all var(--transition-base);
  font-size: 1.25rem;
  color: var(--bg-primary);
  font-weight: 700;
}

#back-to-top.show {
  display: flex;
}

#back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-xxl { margin-top: var(--spacing-xxl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-xxl { margin-bottom: var(--spacing-xxl); }

/* ============================================================================
   16. RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 1024px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-title {
    font-size: 3.5rem;
  }

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

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

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

  .timeline:before {
    display: none;
  }

  .timeline .timeline-item {
    padding-left: var(--spacing-lg);
    padding-right: 0;
    text-align: left;
  }

  .timeline .timeline-dot {
    left: 0;
  }

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

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
  }

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

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.75rem;
  }

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

  .hero {
    min-height: auto;
    padding: 100px 0 40px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

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

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

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

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

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

  .stats-counters {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .contact-grid {
    gap: var(--spacing-lg);
  }

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

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

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

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

  .hero-typewriter {
    font-size: 1.1rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

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

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

  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .btn-resume {
    font-size: 0.8rem;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .stats-counters {
    grid-template-columns: 1fr;
  }

  .project-card-inner {
    padding: var(--spacing-md);
  }

  .modal-content {
    width: 90vw;
    max-height: 90vh;
    padding: var(--spacing-lg);
  }

  #back-to-top {
    width: 45px;
    height: 45px;
    bottom: 20px;
    right: 20px;
  }

  .contact-form-wrapper,
  .contact-info-wrapper {
    gap: var(--spacing-md);
  }

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

/* ============================================================================
   17. PRINT STYLES
   ============================================================================ */

@media print {
  .navbar,
  .scroll-indicator,
  #back-to-top {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  section {
    page-break-inside: avoid;
  }
}