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

:root {
  /* Couleurs principales */
  --color-coral: #FF6D6D;
  --color-coral-light: #FF8E8E;
  --color-black: #0A0A0A;
  --color-dark: #1A1A1A;
  --color-dark-gray: #2B2B2B;
  --color-gray: #404040;
  --color-light-gray: #666666;
  --color-white: #FFFFFF;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #CCCCCC;
  --color-text-muted: #999999;

  /* Dégradés */
  --gradient-primary: linear-gradient(135deg, var(--color-coral) 0%, var(--color-coral-light) 100%);
  --gradient-dark: linear-gradient(180deg, var(--color-black) 0%, var(--color-dark) 50%, var(--color-dark-gray) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  
  /* Effets */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-coral: 0 8px 32px rgba(255, 109, 109, 0.3);
  
  /* Bordures */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;
  
  /* Espacements */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
}

/* Base styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--gradient-dark);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h4 {
  font-size: clamp(1.25rem, 3vw, 2rem);
}

p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: var(--shadow-md);
}

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

.nav-logo img {
  height: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: auto;
  height: auto;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

.nav-title {
  font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  font-size: 1.45rem;
  color: var(--color-white);
  letter-spacing: -0.01em;
  line-height: 1;
  margin-left: 0.25rem;
  user-select: none;
}

.nav-logo:hover img {
  opacity: 1;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  position: relative;
  padding: var(--spacing-xs) 0;
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

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

.nav-cta {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-xl);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-coral);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 109, 109, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all 0.3s ease;
  border-radius: 1px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(255, 109, 109, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 109, 109, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--gradient-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xs) var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  backdrop-filter: blur(10px);
}

.hero-badge span:first-child {
  color: var(--color-coral);
  font-weight: 600;
}

.hero-badge span:last-child {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.hero-title {
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero-description {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-xl);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-coral);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 109, 109, 0.4);
}

.btn-secondary {
  background: var(--gradient-glass);
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-coral);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

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

.phone-mockup {
  position: relative;
  z-index: 2;
}

.phone-screen {
  width: 280px;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transform: perspective(1000px) rotateY(-8deg) rotateX(8deg);
  transition: all 0.5s ease;
}

.phone-screen:hover {
  transform: perspective(1000px) rotateY(-4deg) rotateX(4deg) scale(1.02);
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  background: var(--gradient-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  box-shadow: var(--shadow-md);
  animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
  top: 10%;
  left: -20%;
  animation-delay: 0s;
}

.floating-card:nth-child(2) {
  top: 60%;
  right: -15%;
  animation-delay: 2s;
}

.floating-card:nth-child(3) {
  bottom: 20%;
  left: -10%;
  animation-delay: 4s;
}

.card-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-sm);
  color: var(--color-white);
}

.card-content h4 {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.card-content p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Sections */
section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.2rem;
}

/* Features */
.features {
  background: var(--color-dark);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-coral) 50%, transparent 100%);
}

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

.feature-card {
  background: var(--gradient-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 109, 109, 0.3);
  box-shadow: var(--shadow-lg);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
  box-shadow: var(--shadow-coral);
}

.feature-card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.feature-card p {
  margin-bottom: var(--spacing-lg);
}

.feature-list {
  list-style: none;
}

.feature-list li {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  position: relative;
  padding-left: var(--spacing-md);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-coral);
  font-weight: 600;
}

/* Screenshots */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.screenshot-item {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.screenshot-item:hover {
  transform: scale(1.05) translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.screenshot-item img {
  width: 100%;
  height: auto;
  display: block;
}

.screenshot-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: var(--spacing-lg);
  color: var(--color-white);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.screenshot-item:hover .screenshot-overlay {
  transform: translateY(0);
}

.screenshot-overlay h4 {
  margin-bottom: var(--spacing-xs);
}

.screenshot-overlay p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* FAQ */
.faq {
  background: var(--color-dark);
  position: relative;
}

.faq::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-coral) 50%, transparent 100%);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--gradient-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 109, 109, 0.2);
}

.faq-question {
  padding: var(--spacing-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: rgba(255, 109, 109, 0.1);
}

.faq-question h4 {
  margin: 0;
  color: var(--color-text-primary);
}

.faq-icon {
  color: var(--color-coral);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  max-height: 200px;
}

.faq-answer p {
  margin: 0;
  color: var(--color-text-secondary);
}

/* CTA Section */
.cta {
  background: var(--gradient-dark);
  text-align: center;
  position: relative;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 20%, rgba(255, 109, 109, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(255, 109, 109, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta h2 {
  margin-bottom: var(--spacing-md);
}

.cta p {
  margin-bottom: var(--spacing-xl);
  font-size: 1.2rem;
}

/* Footer */
.footer {
  background: var(--color-black);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-coral) 50%, transparent 100%);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--spacing-md);
  opacity: 0.8;
}

.footer-brand p {
  color: var(--color-text-secondary);
  margin: 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.footer-section a {
  display: block;
  color: var(--color-text-secondary);
  text-decoration: none;
  margin-bottom: var(--spacing-xs);
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--color-coral);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    transition: right 0.3s ease;
    z-index: 999;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-toggle {
    display: flex;
    z-index: 1000;
  }

  .nav-title {
    font-size: 1.1rem;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .screenshots-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .floating-card {
    display: none;
  }
  
  .phone-screen {
    width: 240px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
  }
  
  .btn-primary, .btn-secondary {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.95rem;
  }
  
  .phone-screen {
    width: 200px;
  }
  
  .feature-card {
    padding: var(--spacing-lg);
  }
  
  .faq-question {
    padding: var(--spacing-md);
  }
  
  .faq-answer {
    padding: 0 var(--spacing-md);
  }
  
  .faq-item.active .faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-coral);
  border-radius: 4px;
}

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