:root {
  --color-primary: #006A4E;
  --color-primary-light: #008F6B;
  --color-secondary: #FF7D00;
  --color-dark: #1E1E1E;
  --color-gray: #6B7280;
  --color-light: #F9FAFB;
  --color-white: #FFFFFF;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 5rem 0; }
img { max-width: 100%; height: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary { background: var(--color-primary); color: var(--color-white); }
.btn-primary:hover { background: var(--color-primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); }

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  background: var(--color-white); box-shadow: var(--shadow-sm);
  z-index: 1000; padding: 1rem 0;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.5rem; font-weight: 700; color: var(--color-primary); text-decoration: none; }
.logo-icon { font-size: 1.8rem; }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav-list { display: flex; list-style: none; gap: 2rem; }
.nav-list a { color: var(--color-gray); text-decoration: none; font-weight: 500; transition: var(--transition); position: relative; padding: 0.5rem 0; }
.nav-list a:hover, .nav-list a.active { color: var(--color-primary); }
.nav-list a.active::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: var(--color-primary); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; justify-content: space-between; width: 2rem; height: 1.5rem; z-index: 1001; }
.nav-toggle .bar { width: 100%; height: 3px; background: var(--color-primary); transition: var(--transition); border-radius: 2px; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  padding: 8rem 0 0; margin-top: 5rem; position: relative; overflow: hidden;
}
.hero-container { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 3rem; }
.hero-content { position: relative; z-index: 2; }
.hero-title { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.5rem; }
.hero-subtitle { font-size: 1.25rem; color: rgba(255,255,255,.9); margin-bottom: 2.5rem; max-width: 90%; }
.hero-image { position: relative; z-index: 1; }
.app-mockup { display: block; margin: 0 auto; filter: drop-shadow(var(--shadow-lg)); animation: float 6s ease-in-out infinite; }
.floating-element { position: absolute; border-radius: 50%; background: rgba(255,255,255,0.1); backdrop-filter: blur(5px); z-index: -1; }
.el-1 { width: 300px; height: 300px; top: -50px; right: -50px; animation: pulse 8s infinite alternate; }
.el-2 { width: 150px; height: 150px; bottom: 50px; left: -30px; animation: pulse 6s infinite alternate-reverse; }

/* CTA Buttons */
.cta-buttons { display: flex; gap: 1rem; margin-bottom: 3rem; }
.btn-store { display: flex; align-items: center; gap: 0.75rem; background: rgba(255,255,255,.1); backdrop-filter: blur(5px); padding: 0.75rem 1.25rem; border-radius: var(--radius-sm); color: var(--color-white); text-decoration: none; border: 1px solid rgba(255,255,255,.2); transition: var(--transition); }
.btn-store:hover { background: rgba(255,255,255,.2); transform: translateY(-2px); }
.btn-store i { font-size: 1.5rem; }
.store-text { display: flex; flex-direction: column; line-height: 1.2; }
.store-text span { font-size: 0.75rem; }
.store-text strong { font-size: 1rem; font-weight: 600; }

/* Stats */
.hero-stats { display: flex; gap: 2rem; margin-top: 2rem; }
.stat-item { display: flex; flex-direction: column; }
.stat-item strong { font-size: 2rem; font-weight: 700; }
.stat-item span { font-size: 0.875rem; opacity: 0.8; }

/* Features */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-subtitle { display: inline-block; color: var(--color-primary); font-weight: 600; margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 1px; font-size: 0.875rem; }
.section-title { font-size: 2.25rem; font-weight: 800; line-height: 1.2; color: var(--color-dark); }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.feature-card { background: var(--color-white); padding: 2rem; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); text-align: center; transition: var(--transition); }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.feature-icon { width: 3.5rem; height: 3.5rem; margin: 0 auto 1.5rem; background: var(--color-primary); color: var(--color-white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; }
.feature-card h3 { font-size: 1.25rem; margin-bottom: 1rem; color: var(--color-dark); }
.feature-card p { color: var(--color-gray); }

/* Vidéo */
.video-section { margin-top: 4rem; text-align: center; }
.video-container { position: relative; max-width: 800px; margin: 0 auto; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.video-container video { width: 100%; display: block; background: #000; }
.video-controls { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(0,0,0,.7), transparent); padding: 1rem; display: flex; gap: 1rem; align-items: center; opacity: 0; transition: var(--transition); }
.video-container:hover .video-controls { opacity: 1; }
.play-btn, .fullscreen-btn { background: none; border: none; color: var(--color-white); font-size: 1.2rem; cursor: pointer; padding: 0.5rem; }
.video-progress { flex: 1; height: 6px; background: rgba(255,255,255,.3); border-radius: 3px; cursor: pointer; }
.progress-bar { height: 100%; width: 0%; background: var(--color-primary); border-radius: 3px; }
.video-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.4); display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--color-white); transition: var(--transition); }
.video-overlay h3 { margin-top: 1.5rem; font-size: 1.5rem; font-weight: 600; }
.play-large-btn { background: var(--color-primary); color: var(--color-white); width: 80px; height: 80px; border-radius: 50%; border: none; font-size: 2rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.play-large-btn:hover { transform: scale(1.1); background: var(--color-primary-light); }
.video-caption { margin-top: 1.5rem; color: var(--color-gray); font-size: 1.1rem; }
.video-container.playing .video-overlay { opacity: 0; pointer-events: none; }

/* Avantages */
.advantages { background: var(--color-white); }
.advantages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.advantage-card { background: var(--color-light); padding: 2rem; border-radius: var(--radius-md); text-align: center; transition: var(--transition); }
.advantage-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-sm); }
.advantage-card i { font-size: 2.5rem; color: var(--color-primary); margin-bottom: 1.5rem; }
.advantage-card h3 { font-size: 1.25rem; margin-bottom: 1rem; color: var(--color-dark); }
.advantage-card p { color: var(--color-gray); }

/* Témoignages */
.testimonials { background: var(--color-white); }
.testimonials-slider { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.testimonial-card { background: var(--color-light); padding: 2rem; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.rating { color: var(--color-secondary); margin-bottom: 1rem; }
.testimonial-card p { font-style: italic; margin-bottom: 1.5rem; color: var(--color-dark); }
.client-info { display: flex; align-items: center; gap: 1rem; }
.client-info img { width: 3rem; height: 3rem; border-radius: 50%; object-fit: cover; }
.client-info strong { color: var(--color-dark); }
.client-info span { font-size: 0.875rem; color: var(--color-gray); }

/* Contact */
.cta-section { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); color: var(--color-white); text-align: center; padding: 4rem 0; }
.cta-content h2 { font-size: 2.25rem; margin-bottom: 1rem; }
.cta-content p { font-size: 1.25rem; margin-bottom: 2rem; opacity: .9; }

/* Footer */
.site-footer { background: var(--color-dark); color: var(--color-white); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 3rem; margin-bottom: 3rem; }
.footer-col h3 { font-size: 1.25rem; margin-bottom: 1.5rem; color: var(--color-white); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; }
.footer-col a { color: rgba(255,255,255,.7); text-decoration: none; transition: var(--transition); }
.footer-col a:hover { color: var(--color-white); }
.footer-col i { width: 1.25rem; text-align: center; }
.social-links { display: flex; gap: 1rem; margin-top: 1.5rem; }
.social-links a { display: flex; align-items: center; justify-content: center; width: 2.5rem; height: 2.5rem; background: rgba(255,255,255,.1); border-radius: 50%; color: var(--color-white); transition: var(--transition); }
.social-links a:hover { background: var(--color-primary); transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 2rem; text-align: center; color: rgba(255,255,255,.5); font-size: 0.875rem; }

/* Animations */
@keyframes float { 0%{transform:translateY(0)}50%{transform:translateY(-15px)}100%{transform:translateY(0)} }
@keyframes pulse { 0%{transform:scale(1);opacity:.5}100%{transform:scale(1.1);opacity:.8} }

/* Responsive */
@media (max-width: 1024px){
  .hero-container{grid-template-columns:1fr;text-align:center;}
  .hero-title{font-size:2.5rem;}
  .hero-subtitle{margin:0 auto 2.5rem;}
  .cta-buttons,.hero-stats{justify-content:center;}
  .hero-image{max-width:80%;margin:0 auto;}
}
@media (max-width: 768px){
  .nav{position:fixed;top:80px;right:-100%;width:80%;max-width:400px;height:calc(100vh - 80px);background:var(--color-white);flex-direction:column;justify-content:flex-start;padding-top:2rem;gap:2rem;transition:var(--transition);box-shadow:-5px 0 15px rgba(0,0,0,.1);z-index:999;}
  .nav.active{right:0;}
  .nav-list{flex-direction:column;align-items:flex-start;gap:1.5rem;width:100%;padding:0 2rem;}
  .nav-toggle{display:flex;}
  .nav-toggle.active .bar:nth-child(1){transform:translateY(8px) rotate(45deg);}
  .nav-toggle.active .bar:nth-child(2){opacity:0;}
  .nav-toggle.active .bar:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
  section{padding:3rem 0;}
  .hero{padding-top:6rem;}
  .hero-title{font-size:2rem;}
  .hero-subtitle{font-size:1rem;}
  .cta-buttons{flex-direction:column;}
  .video-overlay h3{font-size:1.2rem;}
  .play-large-btn{width:60px;height:60px;font-size:1.5rem;}
  .footer-grid{grid-template-columns:1fr;}
}