/* CSS Custom Properties */
:root {
  /* Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-elevated: #2a2a2a;
  --accent-green: #00FFAA;
  --accent-blue: #00D1FF;
  --accent-violet: #B388FF;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #666666;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --section-padding: clamp(4rem, 8vw, 8rem);
  --container-padding: clamp(1rem, 4vw, 2rem);
  --container-max-width: 1200px;
  
  /* Borders */
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-width: 1px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(0, 255, 170, 0.2);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00FFAA, #00D1FF);
  --gradient-secondary: linear-gradient(135deg, #B388FF, #00D1FF);
  --gradient-background: radial-gradient(circle at 50% 50%, rgba(0, 255, 170, 0.1) 0%, transparent 50%);
}

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

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

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

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  font-weight: 600;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.3;
  font-weight: 600;
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  line-height: 1.4;
  font-weight: 500;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
  letter-spacing: 0.01em;
}

/* Improved text contrast and readability */
.text-large {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: 1.6;
}

.text-small {
  font-size: clamp(0.875rem, 1.2vw, 0.95rem);
  line-height: 1.5;
}

/* Better focus states for accessibility */
*:focus {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

button:focus,
input:focus,
textarea:focus,
a:focus {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--accent-blue);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(0, 255, 170, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 255, 170, 0.4);
  color: var(--bg-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-green);
  border: 2px solid var(--accent-green);
}

.btn-secondary:hover {
  background: var(--accent-green);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(0, 255, 170, 0.3);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

/* Reading Progress Bar */
.reading-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 0 2px 2px 0;
}

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

.nav-logo a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
}

.nav-text {
  transition: all 0.3s ease;
}

.nav-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  opacity: 0;
  transform: scale(0);
  transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-green);
}

.nav-link:hover .nav-indicator,
.nav-link.active .nav-indicator {
  opacity: 1;
  transform: scale(1);
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

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

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-background);
  opacity: 0.3;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, var(--accent-green), transparent),
    radial-gradient(2px 2px at 40px 70px, var(--accent-blue), transparent),
    radial-gradient(1px 1px at 90px 40px, var(--accent-violet), transparent);
  background-repeat: repeat;
  background-size: 200px 200px;
  animation: float 20s ease-in-out infinite;
  opacity: 0.1;
}

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

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: rgba(0, 255, 170, 0.05);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 255, 170, 0.1);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent-green);
  box-shadow: 0 10px 30px rgba(0, 255, 170, 0.2);
}

.stat-number {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  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: 0.9rem;
  font-weight: 500;
}

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

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--accent-green);
  border-bottom: 2px solid var(--accent-green);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* Section Styles */
section {
  padding: var(--section-padding) 0;
}

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

.section-title {
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--text-muted);
}

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

.about-content {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

/* Journey Section */
.about-journey {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, rgba(0, 255, 170, 0.05), rgba(0, 209, 255, 0.05));
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 255, 170, 0.1);
  position: relative;
  overflow: hidden;
}

.about-journey::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 170, 0.1) 0%, transparent 70%);
  opacity: 0.5;
  z-index: 1;
}

.journey-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.journey-icon {
  width: 3rem;
  height: 3rem;
  color: var(--accent-green);
  filter: drop-shadow(0 0 10px rgba(0, 255, 170, 0.5));
}

.journey-icon svg {
  width: 100%;
  height: 100%;
}

.journey-header h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.journey-text {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.8;
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
  margin: 0;
}

/* Skills Section */
.about-skills {
  text-align: center;
}

.about-skills h3 {
  margin-bottom: 2rem;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  background: var(--bg-elevated);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 255, 170, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}

.skill-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent-green);
  box-shadow: 0 10px 30px rgba(0, 255, 170, 0.2);
}

.skill-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--accent-blue);
  filter: drop-shadow(0 0 8px rgba(0, 209, 255, 0.3));
  transition: all 0.3s ease;
}

.skill-icon svg {
  width: 100%;
  height: 100%;
}

.skill-item:hover .skill-icon {
  transform: scale(1.1);
  color: var(--accent-green);
  filter: drop-shadow(0 0 15px rgba(0, 255, 170, 0.5));
}

.skill-item span {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

/* Values Section */
.about-values h3 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.value-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--bg-elevated);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 255, 170, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.value-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.value-item:hover::before {
  transform: scaleY(1);
}

.value-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent-green);
  box-shadow: 0 10px 30px rgba(0, 255, 170, 0.15);
}

.value-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 255, 170, 0.2), rgba(0, 209, 255, 0.2));
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid rgba(0, 255, 170, 0.3);
  transition: all 0.3s ease;
  color: var(--accent-green);
}

.value-icon svg {
  width: 2.5rem;
  height: 2.5rem;
}

.value-item:hover .value-icon {
  transform: scale(1.1);
  border-color: var(--accent-green);
  box-shadow: 0 0 20px rgba(0, 255, 170, 0.4);
  color: var(--text-primary);
}

.value-content h4 {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-size: 1.1rem;
}

.value-content p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Fun Facts Section */
.about-facts {
  text-align: center;
}

.about-facts h3 {
  margin-bottom: 2rem;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.fact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(0, 255, 170, 0.05), rgba(179, 136, 255, 0.05));
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 255, 170, 0.1);
  transition: all 0.3s ease;
}

.fact-item:hover {
  transform: translateY(-3px);
  border-color: var(--accent-violet);
  box-shadow: 0 8px 25px rgba(179, 136, 255, 0.2);
}

.fact-icon {
  width: 2rem;
  height: 2rem;
  color: var(--accent-violet);
  filter: drop-shadow(0 0 8px rgba(179, 136, 255, 0.3));
  transition: all 0.3s ease;
}

.fact-icon svg {
  width: 100%;
  height: 100%;
}

.fact-item:hover .fact-icon {
  transform: scale(1.1);
  color: var(--accent-blue);
  filter: drop-shadow(0 0 12px rgba(0, 209, 255, 0.5));
}

.fact-text {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

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

.service-card {
  background: var(--bg-secondary);
  padding: 2.5rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--bg-elevated);
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(0, 255, 170, 0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
  border-radius: 50%;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover::after {
  width: 300px;
  height: 300px;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-green);
  box-shadow: 0 15px 50px rgba(0, 255, 170, 0.15);
}

.service-icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1.5rem;
  display: block;
  position: relative;
  z-index: 2;
  color: var(--accent-green);
  filter: drop-shadow(0 0 10px rgba(0, 255, 170, 0.3));
  transition: all 0.3s ease;
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card:hover .service-icon {
  transform: scale(1.1);
  color: var(--accent-blue);
  filter: drop-shadow(0 0 20px rgba(0, 209, 255, 0.5));
}

.service-title {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.service-description {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.service-cta {
  color: var(--accent-green);
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.service-cta:hover {
  border-bottom-color: var(--accent-green);
}



/* Testimonials Section */
.testimonials {
  background: var(--bg-primary);
}

/* Contact Section */
.contact {
  background: var(--bg-secondary);
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 255, 170, 0.1);
  transition: all 0.3s ease;
}

.contact-item:hover {
  border-color: var(--accent-green);
  box-shadow: 0 5px 20px rgba(0, 255, 170, 0.1);
}

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

.contact-details h4 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.contact-details a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.contact-details a:hover {
  color: var(--accent-green);
}

.contact-form {
  background: var(--bg-elevated);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 255, 170, 0.1);
}

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

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: var(--bg-primary);
  border: 2px solid var(--bg-elevated);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  position: relative;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 209, 255, 0.1);
  transform: translateY(-2px);
}

.form-group input.valid,
.form-group textarea.valid {
  border-color: var(--accent-green);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ff4444;
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

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

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

.form-error {
  display: block;
  color: #ff4444;
  font-size: 0.8rem;
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.form-error.show {
  opacity: 1;
  transform: translateY(0);
}

.form-success {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-green);
  font-size: 1.2rem;
  opacity: 0;
  transition: all 0.3s ease;
}

.form-success.show {
  opacity: 1;
}

.character-count {
  text-align: right;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.character-count.warning {
  color: #ffb800;
}

.character-count.error {
  color: #ff4444;
}

/* Enhanced Button States */
.btn {
  position: relative;
  overflow: hidden;
}

.btn-loading {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.btn.loading .btn-text {
  display: none;
}

.btn.loading .btn-loading {
  display: flex;
}

.loading-icon {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

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

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

.footer-content p {
  color: var(--text-muted);
  margin: 0;
}

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: var(--bg-primary);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 255, 170, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 255, 170, 0.4);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: all 0.5s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  position: relative;
  width: 80px;
  height: 80px;
  margin-bottom: 2rem;
}

.spinner-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 3px solid transparent;
  border-top: 3px solid var(--accent-green);
  border-radius: 50%;
  animation: spin 1.5s linear infinite;
}

.spinner-ring:nth-child(2) {
  width: 60px;
  height: 60px;
  top: 10px;
  left: 10px;
  border-top-color: var(--accent-blue);
  animation-duration: 1.2s;
  animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
  width: 40px;
  height: 40px;
  top: 20px;
  left: 20px;
  border-top-color: var(--accent-violet);
  animation-duration: 0.9s;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  color: var(--text-secondary);
  font-size: 1.1rem;
  animation: pulse 2s ease-in-out infinite;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toast {
  background: var(--bg-elevated);
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--accent-green);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transform: translateX(100%);
  transition: all 0.3s ease;
  max-width: 300px;
}

.toast.show {
  transform: translateX(0);
}

.toast.error {
  border-left-color: #ff4444;
}

.toast.success {
  border-left-color: var(--accent-green);
}

.toast.info {
  border-left-color: var(--accent-blue);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Enhanced Mobile Experience */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 0;
    height: 100vh;
    flex-direction: column;
    background-color: rgba(10, 10, 10, 0.98);
    width: 100%;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    padding: 6rem 2rem 2rem;
    justify-content: flex-start;
    gap: 2rem;
    z-index: 999;
  }

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

  .nav-link {
    font-size: 1.2rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

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

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Enhanced mobile interactions */
  .back-to-top {
    width: 45px;
    height: 45px;
    bottom: 1.5rem;
    right: 1.5rem;
  }

  .back-to-top svg {
    width: 20px;
    height: 20px;
  }

  .toast-container {
    top: 1rem;
    right: 1rem;
    left: 1rem;
  }

  .toast {
    max-width: none;
    margin: 0;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .about-content {
    gap: 3rem;
  }

  .about-journey {
    padding: 2rem 1.5rem;
  }

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

  .skill-item {
    padding: 1rem 0.75rem;
  }

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

  .value-item {
    padding: 1.5rem;
  }

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

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

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

/* Enhanced Mobile Experience */
@media (max-width: 480px) {
  /* Improved touch targets */
  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
    min-height: 48px;
    font-size: 1.1rem;
    padding: 1rem 2rem;
  }

  .service-card {
    padding: 2rem 1.5rem;
    margin-bottom: 1rem;
  }

  .service-icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
  }

  .contact-form {
    padding: 2rem 1.5rem;
  }

  .form-group input,
  .form-group textarea {
    padding: 1.2rem;
    font-size: 1rem;
    min-height: 48px;
  }

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

  .contact-item {
    padding: 1.5rem 1rem;
    margin-bottom: 1rem;
  }

  .contact-item a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

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

  .stat-item {
    padding: 1.5rem 1rem;
    min-width: 200px;
    width: 100%;
  }

  .about-journey {
    padding: 2rem 1.5rem;
  }

  .journey-header {
    flex-direction: column;
    gap: 1rem;
  }

  .journey-icon {
    width: 2.5rem;
    height: 2.5rem;
  }

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

  .skill-item {
    padding: 1.5rem 1rem;
    min-height: 120px;
  }

  .skill-icon {
    width: 2.5rem;
    height: 2.5rem;
  }

  .value-item {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
    padding: 2rem 1.5rem;
  }

  .facts-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .fact-item {
    padding: 1.5rem;
    min-height: 100px;
  }

  /* Mobile-specific improvements */
  .section-header {
    margin-bottom: 3rem;
  }

  .section-title {
    margin-bottom: 1rem;
  }

  .section-subtitle {
    font-size: 1rem;
    line-height: 1.6;
  }

  /* Better mobile navigation */
  .nav-container {
    padding: 0 1rem;
  }

  .nav-logo a {
    font-size: 1.3rem;
  }

  /* Improved mobile testimonials */
  .testimonial-card {
    padding: 2rem 1.5rem;
    margin-bottom: 1rem;
  }

  /* Mobile footer */
  .footer-content {
    padding: 2rem 0;
    gap: 1.5rem;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
  }

  .footer-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0.5rem;
  }
}