/* Modern CSS with Tailwind-inspired utilities and Material Design */

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1000;
    font-weight: 600;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

.skip-link:hover {
    background: var(--color-primary-dark);
}

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors */
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: #60a5fa;
  --color-secondary: #8b5cf6;
  --color-accent: #f59e0b;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --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;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff, #e0f2fe, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* Loading Screen */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0f0f0f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
  font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  width: 100%;
  max-width: 600px;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Terminal Window */
.terminal-window {
  background: #0d1117;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  border: 1px solid #30363d;
}

.terminal-header {
  background: #21262d;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #30363d;
}

.terminal-controls {
  display: flex;
  gap: var(--space-2);
}

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

.control.close {
  background: #ff5f56;
}

.control.minimize {
  background: #ffbd2e;
}

.control.maximize {
  background: #27ca3f;
}

.terminal-title {
  color: #8b949e;
  font-size: var(--font-size-sm);
  font-weight: 500;
  font-family: 'Fira Code', monospace;
}

.terminal-body {
  padding: var(--space-4);
  min-height: 200px;
  background: #0d1117;
  font-family: 'Fira Code', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.terminal-line {
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.prompt {
  color: #58a6ff;
  font-weight: 600;
}

.command {
  color: #f0f6fc;
  font-weight: 500;
}

.output {
  color: #7ee787;
  font-weight: 400;
}

.cursor {
  color: #f0f6fc;
  animation: blink 1s infinite;
  font-weight: 600;
}

.typing {
  color: #f0f6fc;
  font-weight: 500;
}

/* Progress Bar */
.loader-progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: #21262d;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid #30363d;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #58a6ff, #7ee787, #f85149);
  border-radius: var(--radius-full);
  width: 0%;
  animation: progressFill 3s ease-in-out forwards;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #8b949e;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.progress-percentage {
  color: #58a6ff;
  font-weight: 600;
  font-family: 'Fira Code', monospace;
}

.progress-status {
  color: #7ee787;
  font-weight: 500;
}

/* Tech Stack */
.loader-footer {
  display: flex;
  justify-content: center;
}

.tech-stack {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.tech-item {
  background: linear-gradient(135deg, #21262d, #30363d);
  color: #f0f6fc;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border: 1px solid #30363d;
  transition: all var(--transition-fast);
  animation: techItemPulse 2s infinite;
}

.tech-item:nth-child(1) { animation-delay: 0s; }
.tech-item:nth-child(2) { animation-delay: 0.2s; }
.tech-item:nth-child(3) { animation-delay: 0.4s; }
.tech-item:nth-child(4) { animation-delay: 0.6s; }
.tech-item:nth-child(5) { animation-delay: 0.8s; }

/* Animations */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

@keyframes progressFill {
  0% { width: 0%; }
  25% { width: 25%; }
  50% { width: 50%; }
  75% { width: 75%; }
  100% { width: 100%; }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes techItemPulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(88, 166, 255, 0.4);
  }
  50% { 
    transform: scale(1.05);
    box-shadow: 0 0 0 4px rgba(88, 166, 255, 0.1);
  }
}

/* Mobile Responsive */
@media (max-width: 640px) {
  .loader-content {
    padding: var(--space-4);
    gap: var(--space-4);
  }
  
  .terminal-body {
    padding: var(--space-3);
    min-height: 150px;
    font-size: var(--font-size-xs);
  }
  
  .tech-stack {
    gap: var(--space-2);
  }
  
  .tech-item {
    padding: var(--space-1) var(--space-2);
    font-size: 10px;
  }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .nav-container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .nav-container {
    padding: 0 var(--space-8);
  }
}

.nav-brand {
  flex-shrink: 0;
}

.brand-link {
  text-decoration: none;
  color: var(--color-gray-900);
}

.brand-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-link {
  color: var(--color-gray-600);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
}

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

.nav-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .navbar {
    height: 70px;
    padding: 0;
  }

  .nav-container {
    padding: 0 var(--space-4);
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 80px;
    transition: right var(--transition-normal);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-6) var(--space-4);
  }

  .nav-link {
    font-size: var(--font-size-lg);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-xl);
    background: var(--color-gray-50);
    width: 100%;
    text-align: center;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
  }

  .nav-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .nav-cta {
    width: 100%;
    text-align: center;
    padding: var(--space-4) var(--space-6);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--space-4);
  }

  .nav-toggle {
    display: flex;
    padding: var(--space-3);
    min-width: 48px;
    min-height: 48px;
  }

  .hamburger-line {
    width: 28px;
    height: 3px;
    background: var(--color-gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
  }

  .nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
  }

  /* Mobile menu overlay */
  .nav-menu::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
  }

  .nav-menu.active::before {
    opacity: 1;
  }
}

/* Main Content */
.main-content {
  margin-top: 0;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  padding: var(--space-24) 0;
  padding-top: calc(var(--space-24) + 80px);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

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

.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 120px;
  height: 120px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.shape-3 {
  width: 60px;
  height: 60px;
  top: 30%;
  right: 30%;
  animation-delay: 4s;
}

.shape-4 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 20%;
  animation-delay: 1s;
}

.shape-5 {
  width: 40px;
  height: 40px;
  top: 80%;
  right: 40%;
  animation-delay: 3s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

.gradient-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.hero-content {
  text-align: center;
  color: var(--color-white);
}

@media (min-width: 1024px) {
  .hero-content {
    text-align: left;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.badge-icon {
  font-size: var(--font-size-lg);
  animation: bounce 2s infinite;
}

.badge-pulse {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-5px);
  }
  60% {
    transform: translateY(-3px);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.1);
    opacity: 0;
  }
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  color: var(--color-white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  position: relative;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: var(--font-size-6xl);
  }
}

.title-line {
  display: block;
  animation: slideInUp 0.8s ease-out;
}

.title-line:nth-child(1) {
  animation-delay: 0.2s;
}

.title-line:nth-child(2) {
  animation-delay: 0.4s;
  position: relative;
}

.title-line:nth-child(3) {
  animation-delay: 0.6s;
}

.title-role {
  font-size: 0.6em;
  font-weight: 400;
  opacity: 0.9;
  margin-top: var(--space-2);
}

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

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
  line-height: 1.7;
  animation: slideInUp 0.8s ease-out 0.8s both;
}

.highlight {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.hero-tech-stack {
  margin-bottom: var(--space-8);
  animation: slideInUp 0.8s ease-out 1s both;
}

.tech-label {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-3);
  font-weight: 500;
}

.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

@media (min-width: 1024px) {
  .tech-badges {
    justify-content: flex-start;
  }
}

.tech-badge {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all var(--transition-fast);
}

.tech-badge:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  animation: slideInUp 0.8s ease-out 1.2s both;
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .hero-actions {
    justify-content: flex-start;
  }
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  position: relative;
  overflow: hidden;
}

.btn-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover .btn-shine {
  left: 100%;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  text-align: center;
  animation: slideInUp 0.8s ease-out 1.4s both;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-fast);
}

.stat-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.15);
}

.stat-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-1);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-white);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: slideInUp 0.8s ease-out 1.6s both;
}

.image-container {
  position: relative;
  width: 300px;
  height: 300px;
}

@media (min-width: 640px) {
  .image-container {
    width: 400px;
    height: 400px;
  }
}

/* Background decorative elements */
.image-bg-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  overflow: hidden;
}

.bg-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  animation: float 8s ease-in-out infinite;
}

.circle-1 {
  width: 200px;
  height: 200px;
  top: -50px;
  left: -50px;
  animation-delay: 0s;
}

.circle-2 {
  width: 150px;
  height: 150px;
  bottom: -30px;
  right: -30px;
  animation-delay: 2s;
}

.circle-3 {
  width: 100px;
  height: 100px;
  top: 50%;
  left: -20px;
  animation-delay: 4s;
}

.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.3;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(20px, 20px);
  }
}

.image-frame {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-3xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  z-index: 3;
}

.image-glow {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.5), rgba(139, 92, 246, 0.5));
  border-radius: var(--radius-3xl);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
  filter: blur(8px);
}

.image-frame:hover .image-glow {
  opacity: 1;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
  display: block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-3xl);
  min-height: 300px;
  min-width: 300px;
}

@media (min-width: 640px) {
  .profile-image {
    min-height: 400px;
    min-width: 400px;
  }
}

/* Fallback for when image doesn't load */
.profile-image:not([src]),
.profile-image[src=""] {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

.profile-image:not([src])::after,
.profile-image[src=""]::after {
  content: "👨‍💻";
  font-size: var(--font-size-6xl);
}

/* Image fallback styles */
.image-fallback {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-3xl);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.fallback-content {
  text-align: center;
  color: var(--color-white);
}

.fallback-icon {
  font-size: var(--font-size-6xl);
  margin-bottom: var(--space-4);
  animation: bounce 2s infinite;
}

.fallback-text {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.fallback-subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
}

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

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.8), rgba(118, 75, 162, 0.8));
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.overlay-content {
  text-align: center;
  color: var(--color-white);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
}

.image-decoration {
  position: absolute;
  border-radius: var(--radius-3xl);
  z-index: 1;
}

.decoration-1 {
  top: -30px;
  left: -30px;
  right: -30px;
  bottom: -30px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(118, 75, 162, 0.3));
  animation: rotate 20s linear infinite;
}

.decoration-2 {
  top: -40px;
  left: -40px;
  right: -40px;
  bottom: -40px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
  animation: rotate 15s linear infinite reverse;
}

.decoration-3 {
  top: -50px;
  left: -50px;
  right: -50px;
  bottom: -50px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
  animation: rotate 25s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.floating-elements {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-element {
  position: absolute;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: float 4s ease-in-out infinite;
}

.element-1 {
  top: 10%;
  right: -20px;
  animation-delay: 0s;
}

.element-2 {
  bottom: 20%;
  left: -20px;
  animation-delay: 1s;
}

.element-3 {
  top: 60%;
  right: -30px;
  animation-delay: 2s;
}

.element-4 {
  top: 30%;
  left: -30px;
  animation-delay: 3s;
}

.element-5 {
  bottom: 10%;
  right: -40px;
  animation-delay: 4s;
}

.floating-element svg {
  width: 20px;
  height: 20px;
}

/* Particle effects */
.image-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: particleFloat 6s ease-in-out infinite;
}

.particle-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.particle-2 {
  top: 60%;
  right: 15%;
  animation-delay: 1s;
}

.particle-3 {
  bottom: 30%;
  left: 20%;
  animation-delay: 2s;
}

.particle-4 {
  top: 40%;
  right: 25%;
  animation-delay: 3s;
}

.particle-5 {
  bottom: 20%;
  right: 10%;
  animation-delay: 4s;
}

@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0px) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translateY(-20px) scale(1.2);
    opacity: 1;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.8);
  animation: bounce 2s infinite;
  z-index: 2;
}

.scroll-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
}

.scroll-arrow svg {
  width: 100%;
  height: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--font-size-base);
  text-decoration: none;
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--color-white);
  color: var(--color-gray-700);
  border: 2px solid var(--color-gray-200);
}

.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
  transform: translateY(-1px);
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* Sections */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
  .section-title {
    font-size: var(--font-size-4xl);
  }
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  padding: var(--space-24) 0;
  background: var(--color-white);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.02) 0%, rgba(139, 92, 246, 0.02) 100%);
  z-index: 0;
}

.about .container {
  position: relative;
  z-index: 1;
}

.about-showcase {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

/* Professional Summary */
.professional-summary {
  background: linear-gradient(135deg, var(--color-white) 0%, rgba(59, 130, 246, 0.02) 100%);
  border-radius: var(--radius-3xl);
  padding: var(--space-12);
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.professional-summary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.summary-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.summary-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-6);
}

.summary-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-gray-900);
  line-height: 1.2;
  flex: 1;
}

.experience-badge {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-2xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  min-width: 120px;
}

.experience-years {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: 1;
}

.experience-text {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-1);
}

.summary-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.stat-item {
  text-align: center;
  padding: var(--space-4);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: 500;
}

/* Technical Expertise */
.technical-expertise {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  border: 2px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
}

.expertise-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-8);
  text-align: center;
}

.expertise-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .expertise-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.expertise-category {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--color-gray-200);
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.category-icon {
  font-size: var(--font-size-xl);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
}

.category-header h5 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-900);
}

.category-skills {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.skill-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

.skill-level {
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  transition: width 1s ease-in-out;
  width: 0;
}

.skill-bar[data-level="95"] { width: 95%; }
.skill-bar[data-level="93"] { width: 93%; }
.skill-bar[data-level="92"] { width: 92%; }
.skill-bar[data-level="90"] { width: 90%; }
.skill-bar[data-level="88"] { width: 88%; }
.skill-bar[data-level="85"] { width: 85%; }
.skill-bar[data-level="80"] { width: 80%; }
.skill-bar[data-level="75"] { width: 75%; }

/* Professional Values */
.professional-values {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  border: 2px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
}

.values-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-8);
  text-align: center;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.value-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--color-gray-200);
  text-align: center;
  transition: all var(--transition-normal);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.value-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.value-icon svg {
  width: 24px;
  height: 24px;
}

.value-card h5 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.value-card p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* Projects Section */
.projects {
  padding: var(--space-24) 0;
  background: var(--color-white);
  position: relative;
}

.projects::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.02) 0%, rgba(139, 92, 246, 0.02) 100%);
  z-index: 0;
}

.projects .container {
  position: relative;
  z-index: 1;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-icon {
  font-size: var(--font-size-base);
}

/* Featured Project */
.projects-showcase {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.featured-project {
  background: linear-gradient(135deg, var(--color-white) 0%, rgba(59, 130, 246, 0.02) 100%);
  border-radius: var(--radius-3xl);
  padding: var(--space-12);
  border: 1px solid rgba(59, 130, 246, 0.1);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.featured-project::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.project-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .project-hero {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

/* Project Preview */
.project-preview {
  display: flex;
  justify-content: center;
  align-items: center;
}

.preview-frame {
  width: 100%;
  max-width: 500px;
  background: var(--color-gray-900);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--color-gray-700);
}

.preview-content {
  padding: var(--space-4);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.preview-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-gray-700);
}

.preview-dots {
  display: flex;
  gap: var(--space-1);
}

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

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca3f; }

.preview-title {
  color: var(--color-gray-300);
  font-weight: 500;
}

.preview-body {
  color: var(--color-gray-200);
}

.code-line {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.line-number {
  color: var(--color-gray-500);
  min-width: 20px;
  text-align: right;
}

.code-text {
  flex: 1;
}

.highlight {
  color: #fbbf24;
  font-weight: 600;
}

.match {
  color: #10b981;
  font-weight: 600;
}

.success {
  color: #10b981;
  font-weight: 600;
}

/* Project Info */
.project-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.project-category {
  display: inline-block;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: fit-content;
}

.project-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-gray-900);
  line-height: 1.2;
}

.project-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
}

.project-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-gray-700);
  font-weight: 500;
}

.feature-icon {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-item {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1px solid var(--color-gray-200);
}

.project-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  border-bottom: 1px solid var(--color-gray-200);
}

.project-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.project-icon svg {
  width: 24px;
  height: 24px;
}

.project-status {
  display: flex;
  align-items: center;
}

.status-badge {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.live {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge.development {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.card-content {
  padding: var(--space-6);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.card-description {
  color: var(--color-gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-badge {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border: 1px solid var(--color-gray-200);
}

.card-footer {
  padding: var(--space-6);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-gray-200);
  margin-top: var(--space-4);
}

.card-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-primary);
  width: fit-content;
}

.card-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.card-link.disabled {
  color: var(--color-gray-400);
  border-color: var(--color-gray-300);
  cursor: not-allowed;
}

.card-link.disabled:hover {
  background: transparent;
  color: var(--color-gray-400);
  transform: none;
}

.card-link svg {
  width: 16px;
  height: 16px;
}

/* Contact Section */
/* Contact Section */
.contact {
  padding: var(--space-24) 0;
  background: var(--color-gray-50);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.02) 0%, rgba(139, 92, 246, 0.02) 100%);
  z-index: 0;
}

.contact .container {
  position: relative;
  z-index: 1;
}

.contact-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

@media (min-width: 1024px) {
  .contact-showcase {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
  }
}

/* Contact Information Section */
.contact-info-section {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  border: 2px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
}

.contact-intro {
  margin-bottom: var(--space-8);
}

.contact-intro-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.contact-intro-text {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-method {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-normal);
}

.contact-method:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.method-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.method-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.method-icon svg {
  width: 24px;
  height: 24px;
}

.method-info {
  flex: 1;
}

.method-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.method-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  font-weight: 500;
}

.method-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: color var(--transition-fast);
}

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

/* Contact CTA Section */
.contact-cta-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.contact-cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  z-index: 0;
}

.cta-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.cta-header {
  text-align: center;
}

.cta-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.cta-description {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  line-height: 1.7;
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.feature-icon {
  font-size: var(--font-size-base);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .cta-actions {
    flex-direction: row;
    justify-content: center;
  }
}

.cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: var(--font-size-base);
  text-decoration: none;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  min-width: 160px;
}

.cta-btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.cta-btn-primary:hover {
  background: var(--color-gray-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.cta-btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-icon {
  width: 20px;
  height: 20px;
}

.cta-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  backdrop-filter: blur(10px);
  margin-top: var(--space-4);
}

.guarantee-icon {
  font-size: var(--font-size-lg);
}

.guarantee-text {
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
  color: var(--color-white);
  padding: var(--space-20) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (min-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr 2fr;
    gap: var(--space-16);
  }
}

/* Footer Brand */
.footer-brand {
  display: flex;
  flex-direction: column;
}

.brand-content {
  max-width: 400px;
}

.brand-name {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, var(--color-white), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.brand-description {
  color: var(--color-gray-300);
  line-height: 1.6;
  font-size: var(--font-size-base);
}

/* Footer Sections */
.footer-sections {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .footer-sections {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

.footer-section {
  display: flex;
  flex-direction: column;
}

.section-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.section-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.section-links li {
  margin: 0;
}

.footer-link {
  color: var(--color-gray-300);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  position: relative;
  padding-left: var(--space-2);
}

.footer-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-white);
  padding-left: var(--space-4);
}

.footer-link:hover::before {
  opacity: 1;
}

/* Social Links */
.social-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-gray-300);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.social-link:hover {
  color: var(--color-white);
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateX(4px);
}

.social-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: var(--space-8);
}

.footer-bottom-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}

@media (min-width: 640px) {
  .footer-bottom-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.copyright {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.bottom-link {
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Enhanced Mobile Responsive Design */

/* Small Mobile Devices (320px - 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-3);
  }

  .hero {
    padding: var(--space-12) 0;
    padding-top: calc(var(--space-12) + 70px);
    min-height: 100vh;
  }

  .hero-container {
    padding: 0 var(--space-3);
    gap: var(--space-8);
  }

  .hero-badge {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
    margin-bottom: var(--space-4);
  }

  .hero-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
  }

  .title-role {
    font-size: 0.6em;
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-6);
  }

  .tech-badges {
    gap: var(--space-1);
  }

  .tech-badge {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
  }

  .hero-actions {
    gap: var(--space-3);
    margin-bottom: var(--space-8);
  }

  .btn-large {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    min-height: 48px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .stat-item {
    padding: var(--space-3);
    min-height: 80px;
  }

  .image-container {
    width: 200px;
    height: 200px;
  }

  .floating-element {
    width: 24px;
    height: 24px;
  }

  .floating-element svg {
    width: 12px;
    height: 12px;
  }

  .bg-circle {
    display: none;
  }

  .bg-grid {
    background-size: 12px 12px;
  }

  .particle {
    width: 2px;
    height: 2px;
  }

  .section-title {
    font-size: var(--font-size-xl);
  }

  .section-subtitle {
    font-size: var(--font-size-base);
  }

  .about,
  .projects,
  .contact {
    padding: var(--space-12) 0;
  }

  .professional-summary {
    padding: var(--space-6);
  }

  .summary-header {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }

  .summary-title {
    font-size: var(--font-size-xl);
  }

  .summary-stats {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .technical-expertise,
  .professional-values,
  .contact-info-section,
  .contact-cta-section {
    padding: var(--space-6);
  }

  .expertise-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .contact-showcase {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .cta-features {
    flex-direction: column;
    gap: var(--space-2);
  }

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

  .cta-btn {
    width: 100%;
    min-height: 48px;
  }

  .featured-project {
    padding: var(--space-6);
  }

  .project-hero {
    gap: var(--space-6);
  }

  .preview-frame {
    max-width: 100%;
  }

  .project-title {
    font-size: var(--font-size-xl);
  }

  .project-actions {
    flex-direction: column;
  }

  .project-actions .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  .card-footer {
    padding: var(--space-4);
    padding-top: var(--space-3);
  }

  .card-link {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    min-height: 48px;
  }

  .footer {
    padding: var(--space-12) 0 var(--space-6);
  }

  .footer-main {
    gap: var(--space-8);
  }

  .footer-sections {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .social-link {
    min-height: 48px;
    padding: var(--space-3) var(--space-4);
  }
}

/* Medium Mobile Devices (481px - 640px) */
@media (min-width: 481px) and (max-width: 640px) {
  .hero {
    padding: var(--space-16) 0;
    padding-top: calc(var(--space-16) + 70px);
    min-height: 100vh;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .title-role {
    font-size: 0.65em;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .stat-item {
    padding: var(--space-4);
  }

  .image-container {
    width: 250px;
    height: 250px;
  }

  .floating-element {
    width: 30px;
    height: 30px;
  }

  .floating-element svg {
    width: 16px;
    height: 16px;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .about,
  .projects,
  .contact {
    padding: var(--space-16) 0;
  }

  .professional-summary {
    padding: var(--space-8);
  }

  .summary-header {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .summary-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .technical-expertise,
  .professional-values,
  .contact-info-section,
  .contact-cta-section {
    padding: var(--space-8);
  }

  .expertise-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .contact-showcase {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .cta-features {
    flex-direction: column;
    gap: var(--space-3);
  }

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

  .cta-btn {
    width: 100%;
  }

  .featured-project {
    padding: var(--space-8);
  }

  .project-hero {
    gap: var(--space-8);
  }

  .preview-frame {
    max-width: 100%;
  }

  .project-title {
    font-size: var(--font-size-2xl);
  }

  .project-actions {
    flex-direction: column;
  }

  .project-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Large Mobile Devices (641px - 768px) */
@media (min-width: 641px) and (max-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  .image-container {
    width: 300px;
    height: 300px;
  }

  .summary-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .cta-actions {
    flex-direction: row;
    gap: var(--space-4);
  }

  .cta-btn {
    flex: 1;
  }

  .project-actions {
    flex-direction: row;
    gap: var(--space-4);
  }

  .project-actions .btn {
    flex: 1;
  }
}

/* Touch-friendly improvements for all mobile devices */
@media (max-width: 768px) {
  /* Ensure all interactive elements meet minimum touch target size */
  .btn,
  .nav-link,
  .nav-cta,
  .card-link,
  .social-link,
  .method-link {
    min-height: 44px;
    min-width: 44px;
  }

  /* Improve button spacing and sizing */
  .btn {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    border-radius: var(--radius-lg);
  }

  /* Better spacing for mobile */
  .section-header {
    margin-bottom: var(--space-12);
  }

  /* Improve text readability on mobile */
  body {
    font-size: var(--font-size-base);
    line-height: 1.6;
  }

  /* Better mobile form elements */
  input,
  textarea,
  select {
    font-size: 16px; /* Prevents zoom on iOS */
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
  }

  /* Improve mobile scrolling */
  html {
    -webkit-overflow-scrolling: touch;
  }

  /* Better mobile animations */
  @media (prefers-reduced-motion: no-preference) {
    .animate-fade-in-up {
      transition: all 0.4s ease-out;
    }
  }
}

/* Additional mobile-specific improvements */

/* Prevent horizontal scroll on mobile */
@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  .container {
    max-width: 100%;
  }

  /* Improve mobile typography */
  h1, h2, h3, h4, h5, h6 {
    word-wrap: break-word;
    hyphens: auto;
  }

  /* Better mobile spacing */
  .hero-content,
  .about-showcase,
  .projects-showcase,
  .contact-showcase {
    padding: 0;
  }

  /* Mobile-optimized images */
  .profile-image {
    max-width: 100%;
    height: auto;
  }

  /* Improve mobile navigation accessibility */
  .nav-toggle {
    position: relative;
    z-index: var(--z-modal);
  }

  /* Better mobile form styling */
  .contact-method {
    padding: var(--space-4);
  }

  .method-link {
    font-size: var(--font-size-sm);
    word-break: break-all;
  }

  /* Mobile-optimized project cards */
  .project-card {
    margin-bottom: var(--space-4);
  }

  .card-content {
    padding: var(--space-4);
  }

  /* Better mobile footer */
  .footer-main {
    text-align: center;
  }

  .footer-section {
    margin-bottom: var(--space-6);
  }

  /* Mobile scroll indicator improvements */
  .scroll-indicator {
    bottom: var(--space-6);
  }

  .scroll-text {
    font-size: var(--font-size-xs);
  }

  /* Mobile loading screen improvements */
  .loader-content {
    padding: var(--space-4);
  }

  .terminal-body {
    padding: var(--space-3);
    font-size: var(--font-size-xs);
  }

  /* Mobile skill bars */
  .skill-level {
    height: 6px;
  }

  /* Mobile value cards */
  .value-card {
    padding: var(--space-4);
  }

  .value-icon {
    width: 40px;
    height: 40px;
  }

  .value-icon svg {
    width: 20px;
    height: 20px;
  }

  /* Mobile expertise categories */
  .expertise-category {
    padding: var(--space-4);
  }

  .category-header {
    margin-bottom: var(--space-4);
  }

  .category-icon {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-base);
  }

  /* Mobile contact improvements */
  .contact-method {
    padding: var(--space-4);
  }

  .method-header {
    margin-bottom: var(--space-3);
  }

  .method-icon {
    width: 40px;
    height: 40px;
  }

  .method-icon svg {
    width: 20px;
    height: 20px;
  }

  /* Mobile CTA improvements */
  .cta-content {
    gap: var(--space-6);
  }

  .cta-header {
    margin-bottom: var(--space-4);
  }

  .cta-title {
    font-size: var(--font-size-2xl);
  }

  .cta-description {
    font-size: var(--font-size-base);
  }

  /* Mobile project visual improvements */
  .visual-container {
    padding: var(--space-3);
  }

  .visual-header {
    margin-bottom: var(--space-3);
  }

  .preview-content {
    padding: var(--space-3);
    font-size: var(--font-size-xs);
  }

  /* Mobile floating elements optimization */
  .floating-elements {
    display: none; /* Hide on very small screens for performance */
  }

  /* Mobile particle effects optimization */
  .image-particles {
    display: none; /* Hide on mobile for performance */
  }

  /* Mobile background decorations optimization */
  .image-decoration {
    display: none; /* Hide complex decorations on mobile */
  }
}

/* Very small screens (320px and below) */
@media (max-width: 320px) {
  .container {
    padding: 0 var(--space-2);
  }

  .hero-container {
    padding: 0 var(--space-2);
  }

  .hero-title {
    font-size: var(--font-size-xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-sm);
  }

  .image-container {
    width: 180px;
    height: 180px;
  }

  .section-title {
    font-size: var(--font-size-lg);
  }

  .professional-summary,
  .technical-expertise,
  .professional-values,
  .contact-info-section,
  .contact-cta-section,
  .featured-project {
    padding: var(--space-4);
  }

  .summary-title {
    font-size: var(--font-size-lg);
  }

  .project-title {
    font-size: var(--font-size-lg);
  }

  .cta-title {
    font-size: var(--font-size-xl);
  }

  .btn-large {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
  }

  .nav-link,
  .nav-cta {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
  }

  .card-link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }

  .social-link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .navbar,
  .footer,
  .hero-actions,
  .contact-cta {
    display: none;
  }
  
  .main-content {
    margin-top: 0;
  }
}