/* CSS Commun Kit 3 - Libertinage Chic & Digital */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700&family=Raleway:wght@300;400;500;600&display=swap');

/* Variables CSS */
:root {
  --color-black: #000000;
  --color-pink-neon: #FF00AA;
  --color-white: #FFFFFF;
  --color-gray-dark: #1a1a1a;
  --color-gray-light: #f5f5f5;
  --color-blue-tech: #0066FF;
  --color-cyan: #00FFFF;
  --color-purple-tech: #8B5CF6;
  --color-gradient-start: #667eea;
  --color-gradient-end: #764ba2;
  
  --font-primary: 'Montserrat', Arial, sans-serif;
  --font-secondary: 'Raleway', Arial, sans-serif;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-tech: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-soft: 0 4px 20px rgba(255, 0, 170, 0.15);
  --shadow-glow: 0 0 25px rgba(255, 0, 170, 0.5);
  --shadow-tech: 0 8px 32px rgba(139, 92, 246, 0.3);
  --shadow-digital: 0 0 30px rgba(0, 255, 255, 0.2);
}

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

.banner {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  font-family: var(--font-primary);
  background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gradient-start) 50%, var(--color-gradient-end) 100%);
  border-radius: 12px;
  transition: var(--transition-tech);
  border: 1px solid rgba(255, 0, 170, 0.2);
}

.banner:hover {
  transform: scale(1.02) translateY(-2px);
  box-shadow: var(--shadow-tech);
  border-color: rgba(255, 0, 170, 0.5);
}

/* Modes Light/Dark */
.banner.light {
  background: linear-gradient(135deg, var(--color-white) 0%, #f8fafc 50%, var(--color-gray-light) 100%);
  color: var(--color-black);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.banner.dark {
  background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gradient-start) 50%, var(--color-gradient-end) 100%);
  color: var(--color-white);
}

/* Background Image */
.banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.6;
  transition: var(--transition-tech);
  filter: brightness(1.1) contrast(1.1);
}

.banner:hover .banner-bg {
  opacity: 0.8;
  transform: scale(1.03);
  filter: brightness(1.2) contrast(1.2);
}

/* Overlay gradient - Digital ambiance */
.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, 
    rgba(0, 0, 0, 0.8) 0%, 
    rgba(139, 92, 246, 0.2) 25%,
    rgba(255, 0, 170, 0.1) 50%, 
    rgba(0, 255, 255, 0.2) 75%,
    rgba(0, 0, 0, 0.8) 100%);
}

.banner.light .banner-overlay {
  background: linear-gradient(45deg, 
    rgba(255, 255, 255, 0.9) 0%, 
    rgba(139, 92, 246, 0.05) 25%,
    rgba(255, 0, 170, 0.03) 50%, 
    rgba(0, 255, 255, 0.05) 75%,
    rgba(255, 255, 255, 0.9) 100%);
}

/* Content Container */
.banner-content {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 10px;
  text-align: center;
}

/* Logo */
.banner-logo {
  max-height: 25%;
  width: auto;
  margin-bottom: 8px;
  filter: drop-shadow(0 2px 8px rgba(139, 92, 246, 0.4));
  transition: var(--transition-tech);
}

.banner:hover .banner-logo {
  filter: drop-shadow(0 4px 12px rgba(139, 92, 246, 0.6));
  transform: scale(1.05);
}

/* Titre principal */
.banner-title {
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 5px;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
  line-height: 1.2;
  position: relative;
}

.banner.light .banner-title {
  color: var(--color-black);
  text-shadow: 1px 1px 4px rgba(255, 255, 255, 0.8);
}

/* Sous-texte */
.banner-subtitle {
  font-family: var(--font-secondary);
  font-weight: 300;
  color: var(--color-white);
  margin-bottom: 8px;
  opacity: 0.9;
  line-height: 1.3;
}

.banner.light .banner-subtitle {
  color: var(--color-black);
}

/* CTA Button - Style Digital */
.banner-cta {
  background: linear-gradient(135deg, var(--color-purple-tech) 0%, var(--color-pink-neon) 100%);
  color: var(--color-white);
  border: none;
  border-radius: 30px;
  padding: 8px 16px;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition-tech);
  text-decoration: none;
  display: inline-block;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  animation: pulse-digital 3s infinite;
}

.banner-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.6s;
}

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

.banner-cta::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
}

.banner-cta:hover::after {
  width: 100%;
  height: 100%;
}

.banner-cta:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-digital);
  background: linear-gradient(135deg, var(--color-pink-neon) 0%, var(--color-purple-tech) 100%);
}

/* Badge +18 */
.banner-badge {
  position: absolute;
  top: 5px;
  right: 5px;
  background: linear-gradient(135deg, var(--color-purple-tech) 0%, var(--color-cyan) 100%);
  color: var(--color-white);
  font-size: 8px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 12px;
  z-index: 20;
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.4);
  animation: badge-glow 2s ease-in-out infinite alternate;
}

/* Animations Digital */
@keyframes pulse-digital {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.7);
  }
  50% { 
    transform: scale(1.03);
    box-shadow: 0 0 0 8px rgba(139, 92, 246, 0);
  }
}

@keyframes fadeInDigital {
  from { 
    opacity: 0; 
    transform: translateY(20px) scale(0.9);
    filter: blur(2px);
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes digitalGlow {
  0%, 100% { 
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
  }
  50% { 
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8), 0 0 15px rgba(139, 92, 246, 0.5);
  }
}

@keyframes badge-glow {
  0% { box-shadow: 0 2px 8px rgba(139, 92, 246, 0.4); }
  100% { box-shadow: 0 2px 12px rgba(139, 92, 246, 0.8), 0 0 20px rgba(0, 255, 255, 0.3); }
}

.banner-content > * {
  animation: fadeInDigital 1s ease-out forwards;
}

.banner-title { 
  animation-delay: 0.1s;
  animation: fadeInDigital 1s ease-out forwards, digitalGlow 4s ease-in-out infinite;
}
.banner-subtitle { animation-delay: 0.2s; }
.banner-cta { animation-delay: 0.3s; }

/* Responsive adjustments */
@media (max-width: 480px) {
  .banner-content {
    padding: 5px;
  }
  
  .banner-title {
    font-size: 14px;
  }
  
  .banner-subtitle {
    font-size: 10px;
  }
  
  .banner-cta {
    font-size: 10px;
    padding: 6px 12px;
  }
}