/* Custom styling matching Czech flag colors & Modern Glassmorphism White UI */

:root {
  --cz-blue: #002B7F;
  --cz-blue-dark: #001F5C;
  --cz-blue-light: #1A49B8;
  --cz-red: #D7141A;
  --cz-red-hover: #B80E14;
  --cz-white: #FFFFFF;
  --cz-bg-light: #F8FAFC;
  --cz-text-dark: #0F172A;
  --cz-text-muted: #475569;
  --cz-border: rgba(0, 43, 127, 0.12);
  --cz-shadow-sm: 0 4px 20px rgba(0, 43, 127, 0.05);
  --cz-shadow-md: 0 10px 30px rgba(0, 43, 127, 0.08);
  --cz-shadow-lg: 0 20px 40px rgba(0, 43, 127, 0.12);
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--cz-bg-light);
  color: var(--cz-text-dark);
  overflow-x: hidden;
}

/* Glassmorphism Card Style inspired by White UI Reference */
.glass-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 12px 32px 0 rgba(0, 43, 127, 0.06);
}

.glass-nav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 43, 127, 0.08);
}

.cz-badge-red {
  background-color: rgba(215, 20, 26, 0.08);
  color: var(--cz-red);
  border: 1px solid rgba(215, 20, 26, 0.2);
}

.cz-badge-blue {
  background-color: rgba(0, 43, 127, 0.08);
  color: var(--cz-blue);
  border: 1px solid rgba(0, 43, 127, 0.2);
}

.cz-btn-primary {
  background: linear-gradient(135deg, var(--cz-blue) 0%, var(--cz-blue-dark) 100%);
  color: white;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(0, 43, 127, 0.25);
}

.cz-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 43, 127, 0.35);
}

.cz-btn-red {
  background: linear-gradient(135deg, var(--cz-red) 0%, var(--cz-red-hover) 100%);
  color: white;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(215, 20, 26, 0.25);
}

.cz-btn-red:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(215, 20, 26, 0.35);
}

/* Gradient Text */
.cz-text-gradient {
  background: linear-gradient(135deg, var(--cz-blue) 0%, var(--cz-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Subtle Hero Glow */
.hero-glow-blue {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 43, 127, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
}

.hero-glow-red {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(215, 20, 26, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
}

/* Custom Quiz Step Animation */
.quiz-step {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.quiz-step.hidden {
  display: none;
  opacity: 0;
  transform: translateX(20px);
}

/* Disclaimer Box styling for Google Ads compliance */
.google-disclaimer-box {
  background: #F1F5F9;
  border-left: 4px solid var(--cz-blue);
  font-size: 0.85rem;
  color: var(--cz-text-muted);
}