gwada-sirius/src/app.css

/* Variables CSS pour le thème panafricain/caribéen */
:root {
  /* Couleurs principales inspirées du panafricanisme et des Caraïbes */
  --color-primary: #FFD700; /* Or - Soleil, Sirius */
  --color-secondary: #DC143C; /* Rouge profond */
  --color-tertiary: #228B22; /* Vert forêt */
  --color-dark: #1a1a2e; /* Bleu nuit profond */
  --color-light: #f5f5dc; /* Beige clair */
  --color-accent: #FF6B35; /* Orange corail caribéen */
  
  /* Dégradés */
  --gradient-dawn: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --gradient-sunrise: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF6B35 100%);
  --gradient-caribbean: linear-gradient(135deg, #00CED1 0%, #20B2AA 50%, #48D1CC 100%);
  
  /* Typographie */
  --font-display: 'Bebas Neue', sans-serif;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  /* Espacements */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Animations */
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-dark);
  color: var(--color-light);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Patterns géométriques africains en CSS */
.pattern-kente {
  background-image: 
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255, 215, 0, 0.1) 10px, rgba(255, 215, 0, 0.1) 20px),
    repeating-linear-gradient(-45deg, transparent, transparent 10px, rgba(220, 20, 60, 0.1) 10px, rgba(220, 20, 60, 0.1) 20px);
}

.pattern-bogolan {
  background-image: 
    radial-gradient(circle at 20% 50%, transparent 30%, rgba(255, 215, 0, 0.05) 30%, rgba(255, 215, 0, 0.05) 32%, transparent 32%),
    radial-gradient(circle at 60% 50%, transparent 30%, rgba(255, 215, 0, 0.05) 30%, rgba(255, 215, 0, 0.05) 32%, transparent 32%),
    radial-gradient(circle at 40% 80%, transparent 30%, rgba(255, 215, 0, 0.05) 30%, rgba(255, 215, 0, 0.05) 32%, transparent 32%);
  background-size: 50px 50px;
}

.pattern-adinkra {
  background-image: 
    repeating-conic-gradient(from 45deg at 50% 50%, transparent 0deg, rgba(255, 215, 0, 0.1) 90deg, transparent 90deg, transparent 180deg),
    repeating-conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(34, 139, 34, 0.1) 90deg, transparent 90deg, transparent 180deg);
  background-size: 40px 40px;
}

/* Utilités */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  background: var(--gradient-sunrise);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 6vw, 3rem);
  color: var(--color-primary);
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2rem);
}

/* Boutons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--gradient-sunrise);
  color: var(--color-dark);
  text-decoration: none;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

/* Cards */
.card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 20px;
  padding: var(--spacing-md);
  transition: var(--transition-base);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 215, 0, 0.5);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes glow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.float {
  animation: float 6s ease-in-out infinite;
}

.glow {
  animation: glow 2s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-xs);
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-sunrise);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}