/* Standardized Color Palette - Primary and Accent Colors Only */
:root {
  /* Primary Color - Trustworthy Blue */
  --primary-color: #2A5C8B;
  --primary-light: #4A7CAB;
  --primary-dark: #1E4A6B;
  --primary-lighter: #6A9BCB;
  --primary-darker: #123A5B;
  
  /* Accent Color - Warm Orange */
  --accent-color: #FFA040;
  --accent-light: #FFB366;
  --accent-dark: #FF8800;
  --accent-lighter: #FFC999;
  --accent-darker: #E67700;
  
  /* Neutral Colors - White, Grey, Black variations only */
  --white: #FFFFFF;
  --neutral-lightest: #FAFAFA;
  --neutral-light: #F5F5F5;
  --neutral-medium: #E0E0E0;
  --neutral-dark: #666666;
  --neutral-darker: #333333;
  --black: #000000;
  
  /* Gradient Combinations */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
  --gradient-primary-accent: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  
  /* Transparent variations for overlays */
  --primary-alpha-10: rgba(42, 92, 139, 0.1);
  --primary-alpha-20: rgba(42, 92, 139, 0.2);
  --primary-alpha-30: rgba(42, 92, 139, 0.3);
  --primary-alpha-50: rgba(42, 92, 139, 0.5);
  --primary-alpha-70: rgba(42, 92, 139, 0.7);
  --primary-alpha-90: rgba(42, 92, 139, 0.9);
  
  --accent-alpha-10: rgba(255, 160, 64, 0.1);
  --accent-alpha-20: rgba(255, 160, 64, 0.2);
  --accent-alpha-30: rgba(255, 160, 64, 0.3);
  --accent-alpha-50: rgba(255, 160, 64, 0.5);
  
  --black-alpha-50: rgba(0, 0, 0, 0.5);
  --black-alpha-80: rgba(0, 0, 0, 0.8);
  --white-alpha-90: rgba(255, 255, 255, 0.9);
  --white-alpha-95: rgba(255, 255, 255, 0.95);
}

html {
  overscroll-behavior-y: none;
}
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--neutral-light);
  color: var(--neutral-darker);
  overscroll-behavior-y: none;
}
.hidden-section {
  display: none !important;
}

/* General .dena-img style for other uses */
.dena-img {
  max-width: 220px;
  width: 100%;
  height: auto;
}

/* Professional Contact Banner Styles - Bottom Positioned */
.contact-banner {
  background: linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-color) 50%, var(--primary-light) 100%);
  color: var(--white);
  padding: 4rem 2rem;
  text-align: center;
  box-shadow: 0 -8px 32px var(--primary-alpha-30);
  border-top: 3px solid var(--accent-color);
  position: relative;
}

.contact-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
  pointer-events: none;
}

.contact-banner-content {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.contact-banner-header {
  margin-bottom: 2.5rem;
}

.contact-banner-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0 0 1rem 0;
  letter-spacing: 1px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.contact-banner-subtitle {
  font-size: 1.3rem;
  font-weight: 400;
  margin: 0;
  opacity: 0.9;
  line-height: 1.5;
}

.contact-banner-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.contact-banner-button {
  background: var(--white);
  color: var(--primary-color);
  padding: 1.2rem 3rem;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.contact-banner-button::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 0.6s ease;
}

.contact-banner-button:hover::before {
  left: 100%;
}

.contact-banner-button:hover {
  background: var(--neutral-lightest);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.contact-banner-button:active {
  transform: translateY(-1px);
}

.contact-banner-icon {
  width: 20px;
  height: 20px;
}

/* Professional decorative elements */
.contact-banner-decoration {
  position: absolute;
  top: 1rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border: 2px solid var(--accent-alpha-30);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-banner-decoration::before {
  content: '';
  width: 30px;
  height: 30px;
  border: 2px solid var(--accent-color);
  border-radius: 50%;
}

/* Mobile responsiveness for contact banner */
@media (max-width: 768px) {
  .contact-banner {
    padding: 3rem 1.5rem;
    margin-top: 2rem;
  }
  
  .contact-banner-title {
    font-size: 2rem;
  }
  
  .contact-banner-subtitle {
    font-size: 1.1rem;
  }
  
  .contact-banner-cta {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .contact-banner-button {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    width: 100%;
    max-width: 300px;
  }
  
  .contact-banner-decoration {
    display: none;
  }
}

@media (max-width: 480px) {
  .contact-banner {
    padding: 2.5rem 1rem;
  }
  
  .contact-banner-title {
    font-size: 1.75rem;
  }
  
  .contact-banner-subtitle {
    font-size: 1rem;
  }
  
  .contact-banner-button {
    padding: 0.9rem 2rem;
    font-size: 0.95rem;
  }
}