/* CSS Custom Properties for Theme Support */
:root {
  /* Light Theme Colors */
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --danger-color: #ef4444;
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-accent: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  
  /* Light Theme Background & Text */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-overlay: rgba(255, 255, 255, 0.95);
  
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  /* Border & Shadow */
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 50px rgba(99, 102, 241, 0.3);
  
  /* Spacing & Layout */
  --container-max-width: 1200px;
  --section-padding: 5rem 0;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Orbitron', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-base: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  --bg-overlay: rgba(15, 23, 42, 0.95);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --border-color: #334155;
  --border-light: #475569;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 50px rgba(99, 102, 241, 0.5);
}

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

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

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

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border: none;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  cursor: pointer;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  transform: scale(1);
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

.theme-toggle i {
  position: absolute;
  transition: all var(--transition-base);
}

.theme-toggle .fa-sun {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] .theme-toggle .fa-moon {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] .theme-toggle .fa-sun {
  opacity: 1;
  transform: rotate(0deg);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 999;
  transition: all var(--transition-base);
}

.nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-color);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.2); }
}

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

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: all var(--transition-base);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

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

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

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

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: var(--gradient-primary);
  animation: float 20s infinite ease-in-out;
}

.shape-1 {
  width: 120px;
  height: 120px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 80px;
  height: 80px;
  top: 60%;
  right: 15%;
  animation-delay: 5s;
}

.shape-3 {
  width: 60px;
  height: 60px;
  bottom: 30%;
  left: 20%;
  animation-delay: 10s;
}

.shape-4 {
  width: 100px;
  height: 100px;
  top: 40%;
  right: 30%;
  animation-delay: 15s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-30px) rotate(120deg); }
  66% { transform: translateY(20px) rotate(240deg); }
}

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

.hero-title {
  font-family: var(--font-display);
  font-size: var(--font-size-5xl);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

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

.hero-divider {
  color: var(--accent-color);
  display: block;
  text-align: center;
  margin: 0.5rem 0;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-inverse);
}

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

.btn-outline {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: translateY(-2px);
}

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

.code-window {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  width: 100%;
  max-width: 450px;
  border: 1px solid var(--border-color);
}

.window-header {
  background: var(--bg-tertiary);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.window-controls {
  display: flex;
  gap: 0.5rem;
}

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

.control.red { background: #ef4444; }
.control.yellow { background: #f59e0b; }
.control.green { background: #10b981; }

.window-title {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.code-content {
  padding: 1.5rem;
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.code-line {
  display: flex;
  align-items: center;
  margin-bottom: 0.25rem;
}

.code-number {
  color: var(--text-muted);
  width: 2rem;
  text-align: right;
  margin-right: 1rem;
  user-select: none;
}

.keyword { color: #8b5cf6; }
.variable { color: #06b6d4; }
.property { color: #10b981; }
.string { color: #f59e0b; }

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-muted);
}

.scroll-arrow {
  width: 2px;
  height: 30px;
  background: var(--gradient-primary);
  border-radius: 1px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.5; }
}

/* Section Styles */
section {
  padding: var(--section-padding);
}

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

.section-title {
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-divider {
  width: 80px;
  height: 4px;
  background: var(--gradient-secondary);
  margin: 0 auto;
  border-radius: 2px;
}

/* About Section */
.about {
  background: var(--bg-secondary);
}

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

.about-profile {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.profile-image {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
  border: 4px solid var(--border-color);
}

.profile-image:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all var(--transition-base);
}

.profile-image:hover img {
  transform: scale(1.1);
}

.profile-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(99, 102, 241, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.profile-image:hover .profile-overlay {
  opacity: 1;
}

.profile-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
  color: var(--text-inverse);
}

.profile-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.profile-stat .stat-number {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 900;
  color: var(--text-inverse);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
}

.profile-stat .stat-label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-inverse);
  opacity: 0.9;
}

.about-text {
  display: grid;
  gap: 2rem;
}

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

.about-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.about-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat-item {
  text-align: center;
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Certifications Section */
.certifications {
  background: var(--bg-secondary);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.certification-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
}

.certification-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  cursor: pointer;
}

.certification-image {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-size: var(--font-size-2xl);
  box-shadow: var(--shadow-md);
}

.certification-content {
  flex: 1;
}

.certification-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  line-height: 1.3;
}

.certification-issuer {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.certification-date {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-style: italic;
}

.certification-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.certification-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

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

.certification-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-color);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-top: 1rem;
  transition: all var(--transition-base);
  justify-content: center;
}

.certification-link:hover {
  color: var(--secondary-color);
  transform: translateX(5px);
}

.certification-link i {
  font-size: var(--font-size-xs);
}

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

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

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.skill-category h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
  color: var(--primary-color);
}

.skill-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  border-radius: var(--border-radius);
  background: var(--bg-tertiary);
  transition: all var(--transition-base);
}

.skill-item:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: scale(1.05);
}

.skill-item i {
  font-size: var(--font-size-2xl);
  margin-bottom: 0.5rem;
}

.skill-item span {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: center;
}

/* Projects Section */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  height: 200px;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-base);
}

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

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--text-inverse);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition-base);
}

.project-link:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: scale(1.1);
}

.project-content {
  padding: 2rem;
}

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

.project-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

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

.tag {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border: 1px solid var(--border-color);
}

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

.contact-info h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact-methods {
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.contact-method i {
  width: 20px;
  color: var(--primary-color);
}

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

.social-link {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition-base);
}

.social-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Form Styles */
.contact-form {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--text-muted);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  pointer-events: none;
  background: var(--bg-primary);
  padding: 0 0.25rem;
}

.form-group input:focus + label,
.form-group select:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:not([value=""]) + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -0.5rem;
  left: 0.75rem;
  font-size: var(--font-size-sm);
  color: var(--primary-color);
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-text p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .about-content {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  
  .about-profile {
    grid-row: 1;
    grid-column: 1 / -1;
    justify-self: center;
  }
  
  .profile-image {
    width: 250px;
    height: 250px;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background-color: var(--bg-overlay);
    backdrop-filter: blur(20px);
    width: 100%;
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: 1rem 0;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .theme-toggle {
    top: 1rem;
    right: 1rem;
    width: 50px;
    height: 50px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 250px;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .about-profile {
    order: -1;
  }
  
  .profile-image {
    width: 200px;
    height: 200px;
  }
  
  .about-stats {
    flex-direction: row;
    justify-content: space-around;
  }
  
  .stat-item {
    flex: 1;
    margin: 0 0.5rem;
  }
  
  .stat-number {
    font-size: var(--font-size-2xl);
  }
  
  .projects-grid,
  .skills-grid,
  .certifications-grid {
    grid-template-columns: 1fr;
  }
  
  .certification-card {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .certification-image {
    align-self: center;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .section-padding {
    padding: 3rem 0;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .code-window {
    max-width: 100%;
    margin-top: 2rem;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .about-stats {
    flex-direction: column;
  }
  
  .stat-item {
    margin: 0;
  }
  
  .contact-methods .contact-method {
    flex-direction: column;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

/* Smooth scrolling for all links */
a[href^="#"] {
  scroll-behavior: smooth;
}

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

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

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

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