/* ========================================
 * Glassmorphism Portfolio Theme
 * Modern Dark Theme with Glass Effects
 * ======================================== */

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

:root {
  /* Color Palette */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);

  --bg-dark: #0a0e27;
  --bg-darker: #050811;
  --text-primary: #ffffff;
  --text-secondary: #b8c5d6;
  --text-muted: #6c7a8d;

  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: rgba(0, 0, 0, 0.3);

  --accent-cyan: #64ffda;
  --accent-purple: #667eea;
  --accent-pink: #f093fb;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50%;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* ===== Animated Background ===== */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, #0f1429 0%, #0a0e27 100%);
}

.gradient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: float 20s infinite ease-in-out;
}

.blob-1 {
  width: 500px;
  height: 500px;
  background: var(--primary-gradient);
  top: -10%;
  left: -10%;
  animation-delay: 0s;
}

.blob-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-gradient);
  top: 50%;
  right: -10%;
  animation-delay: 5s;
}

.blob-3 {
  width: 450px;
  height: 450px;
  background: var(--secondary-gradient);
  bottom: -10%;
  left: 50%;
  animation-delay: 10s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(50px, -50px) scale(1.1);
  }
  66% {
    transform: translate(-30px, 30px) scale(0.9);
  }
}

/* ===== Glass Card Effect ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px var(--glass-shadow);
  transition: all 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

/* ===== Navigation ===== */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  background: rgba(10, 14, 39, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  cursor: pointer;
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width 0.3s ease;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-social {
  display: flex;
  gap: 1rem;
}

.nav-social a {
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.nav-social a:hover {
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ===== Container ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--spacing-xl) 0;
  min-height: auto;
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, #ffffff 0%, #b8c5d6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Hero Section ===== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: center;
}

.hero-image {
  position: relative;
  padding: 2rem;
  text-align: center;
}

.hero-image img {
  width: 250px;
  height: 250px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid transparent;
  background: var(--primary-gradient);
  background-clip: padding-box;
  box-shadow: 0 0 60px rgba(102, 126, 234, 0.4);
}

.status-badge {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(67, 233, 123, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(67, 233, 123, 0.3);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: #43e97b;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #43e97b;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

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

.hero-greeting {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 500;
}

.hero-title {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  margin: 0;
}

.gradient-text {
  /* Temporarily using solid color to ensure visibility */
  color: #ffffff !important;
  /* background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text; */
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 600px;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  padding: 1.5rem 2rem;
  margin: 1rem 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.stat-divider {
  width: 1px;
  background: var(--glass-border);
}

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

/* ===== Buttons ===== */
.glass-btn {
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ===== About Section ===== */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.about-card {
  padding: 3rem;
}

.about-card h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-card p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 2;
  margin-bottom: 1.5rem;
}

.about-card p strong {
  color: var(--accent-cyan);
  font-weight: 700;
}

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

.expertise-item {
  padding: 2rem;
  text-align: center;
}

.expertise-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--primary-gradient);
  font-size: 2rem;
}

.expertise-item:nth-child(2) .expertise-icon {
  background: var(--accent-gradient);
}

.expertise-item:nth-child(3) .expertise-icon {
  background: var(--secondary-gradient);
}

.expertise-item:nth-child(4) .expertise-icon {
  background: var(--success-gradient);
}

.expertise-item h4 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.expertise-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.timeline-item {
  position: relative;
  padding: 2.5rem;
  margin-left: 50px;
}

.timeline-badge {
  position: absolute;
  left: -50px;
  top: 2.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

.timeline-badge.current {
  background: var(--success-gradient);
  box-shadow: 0 0 30px rgba(67, 233, 123, 0.6);
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
  0%, 100% {
    box-shadow: 0 0 30px rgba(67, 233, 123, 0.6);
  }
  50% {
    box-shadow: 0 0 50px rgba(67, 233, 123, 0.9);
  }
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 80px;
  bottom: -30px;
  width: 2px;
  background: linear-gradient(180deg, var(--glass-border) 0%, transparent 100%);
}

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

.timeline-header {
  margin-bottom: 1.5rem;
}

.timeline-header h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.timeline-company {
  display: block;
  font-size: 1.1rem;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.timeline-duration {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
}

.timeline-description {
  margin-top: 1.5rem;
}

.role-summary {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1.5rem;
  padding-left: 1rem;
  border-left: 3px solid var(--accent-cyan);
}

.timeline-description h4 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin: 1.5rem 0 1rem;
}

.contributions-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contributions-list li {
  position: relative;
  padding-left: 2rem;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.contributions-list i {
  position: absolute;
  left: 0;
  top: 0.4rem;
  color: var(--accent-cyan);
  font-size: 0.9rem;
}

.contributions-list strong {
  color: var(--text-primary);
  font-weight: 600;
  display: inline;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.tech-tag {
  background: rgba(100, 255, 218, 0.1);
  border: 1px solid rgba(100, 255, 218, 0.2);
  color: var(--accent-cyan);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  transition: all 0.3s ease;
}

.tech-tag:hover {
  background: rgba(100, 255, 218, 0.2);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ===== Skills Section ===== */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.skill-category {
  padding: 2rem;
}

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

.skill-category i {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.8rem;
}

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

.skill-tag {
  padding: 0.6rem 1.2rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: default;
  background: rgba(100, 255, 218, 0.1);
  border: 1px solid rgba(100, 255, 218, 0.3);
  color: var(--accent-cyan);
}

.skill-tag.advanced {
  background: rgba(100, 255, 218, 0.1);
  border: 1px solid rgba(100, 255, 218, 0.3);
  color: var(--accent-cyan);
}

.skill-tag.intermediate {
  background: rgba(100, 255, 218, 0.1);
  border: 1px solid rgba(100, 255, 218, 0.3);
  color: var(--accent-cyan);
}

.skill-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ===== Education Section ===== */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.education-card {
  padding: 2.5rem;
  text-align: center;
}

.education-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--primary-gradient);
  font-size: 2rem;
}

.education-card:nth-child(2) .education-icon {
  background: var(--accent-gradient);
}

.education-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.education-card h4 {
  font-size: 1.2rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

.education-year {
  display: inline-block;
  background: rgba(100, 255, 218, 0.1);
  border: 1px solid rgba(100, 255, 218, 0.3);
  color: var(--accent-cyan);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.education-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-top: 1rem;
}

/* ===== Contact Section ===== */
.contact-content {
  max-width: 800px;
  margin: 0 auto;
}

.contact-info {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.contact-item i {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--primary-gradient);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-item:nth-child(2) i {
  background: var(--accent-gradient);
}

.contact-item:nth-child(3) i {
  background: var(--secondary-gradient);
}

.contact-item:nth-child(4) i {
  background: var(--success-gradient);
}

.contact-item h4 {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.contact-item p,
.contact-item a {
  font-size: 1.1rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-item a:hover {
  color: var(--accent-cyan);
}

/* ===== Interactive Demos Section ===== */
.section-description {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.demo-card {
  padding: 0;
  overflow: hidden;
  margin-bottom: 2rem;
}

.demo-header {
  padding: 2.5rem 3rem;
  border-bottom: 1px solid var(--glass-border);
}

.demo-header h3 {
  font-size: 1.8rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.demo-header h3 i {
  color: var(--accent-cyan);
}

.demo-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin: 0;
}

.demo-content {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 0;
}

.demo-controls {
  padding: 2.5rem;
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.control-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.architecture-controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.control-btn {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.control-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.control-btn.secondary {
  background: rgba(102, 126, 234, 0.1);
  border-color: rgba(102, 126, 234, 0.3);
}

.control-btn.secondary:hover {
  background: rgba(102, 126, 234, 0.2);
}

.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(100, 255, 218, 0.4);
  transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 12px rgba(100, 255, 218, 0.6);
}

.slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(100, 255, 218, 0.4);
}

.value-display {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.full-width {
  width: 100%;
}

.demo-visualization {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  position: relative;
}

#neuralNetworkCanvas {
  width: 100%;
  max-width: 800px;
  height: 500px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
}

.network-info {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
  padding: 1.5rem 2rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}

.info-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Art Select Dropdown */
.art-select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364ffda' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 3rem;
}

.art-select:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
}

.art-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.1);
}

.art-select option {
  background: var(--bg-dark);
  color: var(--text-primary);
  padding: 0.5rem;
}

/* Generative Art Canvas */
#generativeArtCanvas {
  width: 100%;
  max-width: 800px;
  height: 500px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  cursor: crosshair;
}

.art-info {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
  padding: 1.5rem 2rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
}

/* Contact Form */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
}

.contact-form-card {
  padding: 3rem;
}

.contact-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.contact-form-card h3 i {
  color: var(--accent-cyan);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.1);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.contact-form button {
  margin-top: 0.5rem;
  width: 100%;
}

/* ===== Footer ===== */
.footer {
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--glass-border);
  background: rgba(10, 14, 39, 0.5);
  backdrop-filter: blur(20px);
}

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: 5px;
}

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

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image img {
    width: 200px;
    height: 200px;
  }

  .hero-text {
    align-items: center;
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-tagline {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

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

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

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .stat-divider {
    display: none;
  }

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

  .timeline-item {
    margin-left: 30px;
  }

  .timeline-badge {
    left: -30px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .timeline-item::before {
    left: -10px;
  }

  .expertise-grid,
  .skills-categories,
  .education-grid {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-info,
  .contact-form-card {
    padding: 2rem;
  }

  .demo-content {
    grid-template-columns: 1fr;
  }

  .demo-controls {
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
  }

  .demo-visualization {
    min-height: 400px;
  }

  .network-info {
    flex-direction: column;
    gap: 1.5rem;
  }

  .container {
    padding: 0 1.5rem;
  }
}