/* ============================================
   AI-THEMED ELEGANT PORTFOLIO
   Clean, Modern, Animated Design
   ============================================ */

/* CSS Variables */
:root {
  /* Colors - Elegant AI Theme */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-glow: rgba(99, 102, 241, 0.5);
  --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.3);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --section-spacing: 120px;
  --content-width: 1200px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

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

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

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

/* ============================================
   AI BACKGROUND
   ============================================ */
.ai-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

#neural-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: var(--accent-primary);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-secondary);
  bottom: -100px;
  left: -100px;
  animation-delay: -7s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: #a855f7;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(20px, 30px) scale(1.02); }
}

/* Particles */
#particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: var(--transition-base);
  backdrop-filter: blur(20px);
  background: rgba(10, 10, 15, 0.8);
  border-bottom: 1px solid transparent;
}

.nav-header.scrolled {
  border-bottom-color: var(--border-color);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  position: relative;
  width: 44px;
  height: 44px;
  background: var(--accent-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.875rem;
  color: white;
  overflow: hidden;
}

.logo-icon.small {
  width: 36px;
  height: 36px;
  font-size: 0.75rem;
  border-radius: 10px;
}

.logo-pulse {
  position: absolute;
  inset: 0;
  background: inherit;
  border-radius: inherit;
  animation: pulse-ring 2s ease-out infinite;
  z-index: -1;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.5); opacity: 0; }
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

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

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  position: relative;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-base);
  border-radius: 8px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition-base);
  transform: translateX(-50%);
  border-radius: 1px;
}

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

.nav-link:hover::after {
  width: calc(100% - 2rem);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 101;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-base);
  border-radius: 1px;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-menu-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 600;
  transition: var(--transition-base);
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-base);
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn-primary:hover .btn-glow {
  transform: translateX(100%);
}

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

.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--bg-card);
}

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

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

.btn-xl {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
main {
  position: relative;
  z-index: 1;
}

.section {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--section-spacing) 2rem;
}

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

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  max-width: var(--content-width);
  margin: 0 auto;
}

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

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

/* Hero Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem 0.5rem 0.625rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  width: fit-content;
  animation: fadeInUp 0.6s ease forwards;
}

.status-dot {
  position: relative;
  width: 10px;
  height: 10px;
  background: #22c55e;
  border-radius: 50%;
}

.status-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  border-radius: inherit;
  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* Hero Title */
.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.title-line {
  display: block;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.1s;
  opacity: 0;
}

.title-line.small {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  animation-delay: 0.3s;
}

.highlight {
  color: var(--accent-primary);
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hero Description */
.hero-description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 540px;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
}

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

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Hero Actions */
.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.6s;
  opacity: 0;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-container {
  position: relative;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

.hero-image-glow {
  position: absolute;
  inset: -40px;
  background: var(--accent-gradient);
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
  animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.05); }
}

.hero-image-frame {
  position: relative;
  width: 380px;
  height: 380px;
  border-radius: 32px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.hero-image-frame:hover .hero-image {
  transform: scale(1.05);
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, var(--bg-primary) 100%);
  pointer-events: none;
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: float-badge 3s ease-in-out infinite;
}

.floating-badge svg {
  color: var(--accent-primary);
}

.badge-top {
  top: 2rem;
  right: -1rem;
  animation-delay: 0s;
}

.badge-bottom {
  bottom: 3rem;
  left: -1rem;
  animation-delay: -1.5s;
}

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

/* Scroll Indicator */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 2rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  animation: fadeIn 1s ease forwards;
  animation-delay: 1s;
  opacity: 0;
}

.mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.wheel {
  width: 3px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 2px;
  animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes scroll-wheel {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(6px); opacity: 0.5; }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.5rem;
}

.about-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  transition: var(--transition-base);
}

.about-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.about-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.about-text + .about-text {
  margin-top: 1rem;
}

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

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

.specialty-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--accent-primary);
  transition: var(--transition-base);
}

.tag:hover {
  background: rgba(99, 102, 241, 0.2);
  transform: translateY(-2px);
}

/* ============================================
   TIMELINE / EXPERIENCE
   ============================================ */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.marker-dot {
  width: 16px;
  height: 16px;
  background: var(--accent-gradient);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent-glow);
  flex-shrink: 0;
}

.marker-line {
  width: 2px;
  flex: 1;
  background: linear-gradient(180deg, var(--accent-primary) 0%, transparent 100%);
  margin-top: 0.5rem;
}

.timeline-content {
  padding-bottom: 3rem;
}

.timeline-header {
  margin-bottom: 0.5rem;
}

.timeline-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.company {
  font-size: 0.875rem;
  color: var(--accent-primary);
}

.timeline-date {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.timeline-list {
  margin-top: 1rem;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-list li {
  color: var(--text-secondary);
  line-height: 1.6;
}

.timeline-list li::marker {
  color: var(--accent-primary);
}

/* ============================================
   PROJECTS
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
}

.project-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition-base);
  cursor: pointer;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}

.project-card.featured {
  grid-column: span 1;
}

.project-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(99, 102, 241, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
}

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

.view-project {
  padding: 0.75rem 1.5rem;
  background: white;
  color: var(--accent-primary);
  border-radius: 8px;
  font-weight: 600;
  transform: translateY(20px);
  transition: var(--transition-base);
}

.project-card:hover .view-project {
  transform: translateY(0);
}

.project-content {
  padding: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.project-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  border-radius: 4px;
  font-family: var(--font-mono);
}

.project-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.project-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

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

/* ============================================
   SKILLS
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.skill-category {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  transition: var(--transition-base);
}

.skill-category:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.skill-icon {
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.skill-category h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tags span {
  padding: 0.375rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.skill-tags span:hover {
  color: var(--accent-primary);
  border-color: var(--border-hover);
}

/* ============================================
   EDUCATION
   ============================================ */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.education-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: var(--transition-base);
}

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

.education-icon {
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.education-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.education-content p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.education-meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 0.5rem;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
}

.contact-intro {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: var(--transition-base);
}

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

.contact-link svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.contact-cta {
  display: flex;
  justify-content: center;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-container {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  transition: var(--transition-base);
}

.modal.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-base);
  z-index: 10;
}

.modal-close:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.modal-content {
  padding: 2.5rem;
  overflow-y: auto;
  max-height: 90vh;
}

.modal-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  display: block;
}

.modal-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.modal-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.modal-content > p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.modal-section {
  margin-top: 1.5rem;
}

.modal-section h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--accent-primary);
}

.modal-section ul {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modal-section li {
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-section li::marker {
  color: var(--accent-primary);
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.modal-tags span {
  padding: 0.375rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 6px;
  font-size: 0.8125rem;
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.footer-content {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reveal Animation - with fallback for no-JS */
[data-reveal] {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Only hide if JS is working (body gets js-enabled class) */
body.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(40px);
}

body.js-enabled [data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-text {
    align-items: center;
  }
  
  .hero-description {
    max-width: 100%;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .floating-badge {
    display: none;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .contact-links {
    align-items: center;
  }
}

@media (max-width: 768px) {
  :root {
    --section-spacing: 80px;
  }
  
  .nav-links,
  .nav-actions {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .hero-image-frame {
    width: 280px;
    height: 280px;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .timeline-item {
    grid-template-columns: 40px 1fr;
    gap: 1rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-container {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 1rem;
  }
  
  .section {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .logo-text {
    display: none;
  }
  
  .stat-value {
    font-size: 2rem;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .ai-bg,
  .nav-header,
  .mobile-menu,
  .scroll-indicator,
  .footer,
  .modal,
  #particles {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  body.js-enabled [data-reveal],
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  
  .section {
    page-break-inside: avoid;
  }
}

/* Ensure content is always visible as fallback */
.hero-text,
.hero-visual,
.section-header,
.about-grid,
.timeline,
.projects-grid,
.skills-grid,
.education-grid,
.contact-container {
  opacity: 1 !important;
}