/* CSS Custom Properties for modern dark theme */
:root {
  /* Primary gradient colors */
  --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #d6ad09 100%);
  --gradient-secondary: linear-gradient(135deg, #FF8A65 0%, #e1aa14 100%);
  --gradient-accent: linear-gradient(135deg, #FF5722 0%, #e99922 100%);
  
  /* Dark theme colors */
  --bg-primary: #0A0A0A;
  --bg-secondary: #111111;
  --bg-tertiary: #1A1A1A;
  --bg-card: #1E1E1E;
  --bg-elevated: #252525;
  --bg-hover: #2A2A2A;
  
  /* Text colors */
  --text-primary: #FFFFFF;
  --text-secondary: #E0E0E0;
  --text-muted: #A0A0A0;
  --text-accent: #FF6B35;
  
  /* Accent colors */
  --accent-orange: #FF6B35;
  --accent-mango: #F7931E;
  --accent-yellow: #FFCC02;
  
  /* Border and shadow colors */
  --border-color: #333333;
  --shadow-color: rgba(0, 0, 0, 0.5);
  --glow-color: rgba(255, 107, 53, 0.3);
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Utility classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-12 { padding: 3rem; }

.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }

.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

/* Modern Button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 1rem;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  line-height: 1;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: 0 8px 32px var(--glow-color);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px var(--glow-color);
}

.btn-primary::before {
  content: '';
  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::before {
  left: 100%;
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(255, 204, 2, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(255, 204, 2, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--accent-orange);
  border: 2px solid var(--accent-orange);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--gradient-primary);
  color: var(--text-primary);
  border-color: transparent;
  transform: translateY(-3px);
}

/* Section styles */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-alt {
  background: var(--bg-secondary);
}

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

/* Modern Card styles */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
  border-color: var(--accent-orange);
}

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

/* Grid utilities */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Modern Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text-primary);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-secondary);
}

p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Gradient text utility */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Modern icons and decorative elements */
.icon {
  width: 3rem;
  height: 3rem;
  background: var(--gradient-primary);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.5rem;
  box-shadow: 0 8px 24px var(--glow-color);
}

/* Responsive utilities */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .flex-row {
    flex-direction: column;
  }
  
  .py-16 {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
  
  .py-20 {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
  
  .card {
    padding: 1.5rem;
  }
}

@media (max-width: 1024px) {
  .container {
    padding: 0 1.5rem;
  }
}

/* Enhanced Animation utilities */
.fade-in {
  animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.slide-in-left {
  animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInLeft {
  from { 
    opacity: 0; 
    transform: translateX(-40px); 
  }
  to { 
    opacity: 1; 
    transform: translateX(0); 
  }
}

.slide-in-right {
  animation: slideInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInRight {
  from { 
    opacity: 0; 
    transform: translateX(40px); 
  }
  to { 
    opacity: 1; 
    transform: translateX(0); 
  }
}

.scale-in {
  animation: scaleIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleIn {
  from { 
    opacity: 0; 
    transform: scale(0.9); 
  }
  to { 
    opacity: 1; 
    transform: scale(1); 
  }
}

/* Hover effects for interactive elements */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

/* Glass morphism effect */
.glass {
  background: rgba(30, 30, 30, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.5rem;
}

/* Gradient borders */
.gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: 1.5rem;
  padding: 2px;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 1.5rem;
  padding: 2px;
  background: var(--gradient-primary);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}