:root {
  --eco-primary: #1e3a8a;
  --eco-primary-light: #3b82f6;
  --eco-secondary: #d97706;
  --eco-accent: #f59e0b;
  --eco-gold: #fbbf24;
  
  --eco-bg-light: #f8fafc;
  --eco-bg-card-light: #ffffff;
  --eco-text-light: #0f172a;
  --eco-text-secondary-light: #475569;
  
  --eco-bg-dark: #0f172a;
  --eco-bg-card-dark: #1e293b;
  --eco-text-dark: #f1f5f9;
  --eco-text-secondary-dark: #cbd5e1;
  
  --eco-gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  --eco-gradient-accent: linear-gradient(135deg, #d97706 0%, #fbbf24 100%);
  --eco-gradient-hero: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(59, 130, 246, 0.85) 100%);
  
  --eco-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --eco-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --eco-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --eco-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --eco-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-bs-theme="light"] {
  --eco-bg: var(--eco-bg-light);
  --eco-bg-card: var(--eco-bg-card-light);
  --eco-text: var(--eco-text-light);
  --eco-text-secondary: var(--eco-text-secondary-light);
}

[data-bs-theme="dark"] {
  --eco-bg: var(--eco-bg-dark);
  --eco-bg-card: var(--eco-bg-card-dark);
  --eco-text: var(--eco-text-dark);
  --eco-text-secondary: var(--eco-text-secondary-dark);
}

body {
  background: var(--eco-bg);
  color: var(--eco-text);
  transition: var(--eco-transition);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.eco-hero {
  position: relative;
  background: var(--eco-gradient-hero);
  color: white;
  padding: 5rem 0;
  overflow: hidden;
}

.eco-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(251, 191, 36, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.eco-hero-content {
  position: relative;
  z-index: 1;
}

.eco-display {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease-out;
}

.eco-lead {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 300;
  line-height: 1.6;
  opacity: 0.95;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.eco-card {
  background: var(--eco-bg-card);
  border: none;
  border-radius: 1rem;
  box-shadow: var(--eco-shadow-md);
  transition: var(--eco-transition);
  overflow: hidden;
}

.eco-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--eco-shadow-xl);
}

.eco-card-icon {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  background: var(--eco-gradient-primary);
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.eco-card-accent {
  background: var(--eco-gradient-accent);
}

.eco-btn-primary {
  background: var(--eco-gradient-primary);
  border: none;
  color: white;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: var(--eco-transition);
  box-shadow: var(--eco-shadow-md);
  text-decoration: none !important;
}

.eco-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--eco-shadow-lg);
  color: white;
  text-decoration: none !important;
}

.eco-btn-accent {
  background: var(--eco-gradient-accent);
  border: none;
  color: white;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: var(--eco-transition);
  box-shadow: var(--eco-shadow-md);
  text-decoration: none !important;
}

.eco-btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--eco-shadow-lg);
  color: white;
  text-decoration: none !important;
}

.eco-section {
  padding: 4rem 0;
}

.eco-section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--eco-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eco-navbar {
  background: var(--eco-bg-card);
  backdrop-filter: blur(10px);
  box-shadow: var(--eco-shadow-sm);
  transition: var(--eco-transition);
}

.eco-navbar.scrolled {
  box-shadow: var(--eco-shadow-md);
}

.eco-nav-link {
  position: relative;
  font-weight: 500;
  transition: var(--eco-transition);
  text-decoration: none !important;
}

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

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

.eco-footer {
  background: var(--eco-bg-card);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

[data-bs-theme="dark"] .eco-footer {
  border-top-color: rgba(255, 255, 255, 0.1);
}

.eco-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  background: rgba(59, 130, 246, 0.1);
  color: var(--eco-primary-light);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.eco-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--eco-primary-light), transparent);
  margin: 3rem 0;
  opacity: 0.3;
}

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

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

.eco-feature-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--eco-gradient-primary);
  color: white;
  font-size: 2rem;
  box-shadow: var(--eco-shadow-lg);
}

.eco-quote {
  border-left: 4px solid var(--eco-primary-light);
  padding-left: 1.5rem;
  font-style: italic;
  color: var(--eco-text-secondary);
  margin: 2rem 0;
}

.eco-stat {
  text-align: center;
  padding: 2rem;
}

.eco-stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--eco-gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 0.5rem;
}

.eco-stat-label {
  font-size: 1rem;
  color: var(--eco-text-secondary);
  font-weight: 500;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

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

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

.eco-pattern {
  position: relative;
  overflow: hidden;
}

.eco-pattern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(30deg, rgba(59, 130, 246, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(59, 130, 246, 0.03) 87.5%, rgba(59, 130, 246, 0.03)),
    linear-gradient(150deg, rgba(59, 130, 246, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(59, 130, 246, 0.03) 87.5%, rgba(59, 130, 246, 0.03)),
    linear-gradient(30deg, rgba(59, 130, 246, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(59, 130, 246, 0.03) 87.5%, rgba(59, 130, 246, 0.03)),
    linear-gradient(150deg, rgba(59, 130, 246, 0.03) 12%, transparent 12.5%, transparent 87%, rgba(59, 130, 246, 0.03) 87.5%, rgba(59, 130, 246, 0.03));
  background-size: 80px 140px;
  background-position: 0 0, 0 0, 40px 70px, 40px 70px;
  pointer-events: none;
}

.eco-glow {
  position: relative;
}

.eco-glow::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.eco-glow:hover::after {
  opacity: 1;
}

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

.eco-text-gradient-accent {
  background: var(--eco-gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}