/* Reset et Variables CSS */
:root {
  /* Couleurs principales de l'app */
  --primary: #CE035F;
  --secondary: #D43EED;
  --tertiary: #02FFF4;
  
  /* Couleurs astrologique (or) */
  --gold-primary: #F6BA21;
  --gold-light: #FFFF8B;
  --gold-dark: #E1AB18;
  
  /* Couleurs de texte */
  --text-primary: #14181B;
  --text-secondary: #57636C;
  --text-white: #FFFFFF;
  
  /* Couleurs de fond */
  --bg-primary: #F1F4F8;
  --bg-secondary: #FFFFFF;
  --bg-alternate: #DBE2E7;
  
  /* Couleurs d'accent avec transparence */
  --accent-primary: rgba(206, 3, 95, 0.1);
  --accent-secondary: rgba(212, 62, 237, 0.1);
  --accent-tertiary: rgba(2, 255, 244, 0.1);
  
  /* Typographie */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Espacements */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  overflow-x: hidden;
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(206, 3, 95, 0.1);
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-links a {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 70px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(206, 3, 95, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(212, 62, 237, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 40% 90%, rgba(2, 255, 244, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--gold-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Boutons */
.btn-primary, .btn-secondary {
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text-white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--text-white);
  transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.cosmic-circle {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cosmic-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

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

/* Features Section */
.features {
  padding: var(--spacing-2xl) 0;
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.section-header p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: 20px;
  text-align: center;
  transition: var(--transition); 
  border: 1px solid rgba(206, 3, 95, 0.1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.feature-icon div {
  width: 40px;
  height: 40px;
  background: var(--text-white);
  border-radius: 50%;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Download Section */
.download {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--text-primary) 0%, #2D3A45 100%);
  color: var(--text-white);
  text-align: center;
}

.download h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.download p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-secondary);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 15px;
  transition: var(--transition);
  min-width: 200px;
}

.app-store-btn {
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.app-store-badge {
  height: 60px;
  width: auto;
  transition: var(--transition);
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.app-store-btn:hover {
  transform: translateY(-2px);
  box-shadow: none;
}

.app-store-btn:hover .app-store-badge {
  transform: scale(1.05);
}

.google-play-btn {
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.google-play-badge {
  height: 60px;
  width: auto;
  transition: var(--transition);
}

.google-play-btn:hover {
  transform: translateY(-2px);
  box-shadow: none;
}

.google-play-btn:hover .google-play-badge {
  transform: scale(1.05);
}

.store-icon {
  width: 30px;
  height: 30px;
  background: var(--text-primary);
  border-radius: 5px;
}

.store-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.store-label {
  font-size: 0.875rem;
  opacity: 0.7;
}

.store-name {
  font-weight: 600;
  font-size: 1.125rem;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: var(--text-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  opacity: 0.8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
}

.footer-section h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: var(--text-white);
  text-decoration: none;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-section a:hover {
  opacity: 1;
  color: var(--tertiary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 var(--spacing-sm);
  }
  
  .nav-links {
    display: none;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
  }
  
  .hero {
    min-height: calc(100vh - 70px);
    padding-top: 100px;
  }
  
  .cosmic-circle {
    width: 300px;
    height: 300px;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .btn-primary, .btn-secondary {
    min-width: 160px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero {
    min-height: calc(100vh - 70px);
    padding-top: 120px;
  }
  
  .cosmic-circle {
    width: 250px;
    height: 250px;
  }
  
  .feature-card {
    padding: var(--spacing-lg);
  }
  
  .download-btn {
    min-width: 180px;
  }
}

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

.feature-card {
  animation: fadeInUp 0.6s ease-out;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }