:root {
  --primary: #0077B6;
  --secondary: #90E0EF;
  --dark: #023047;
  --light: #F8F9FA;
  --white: #FFFFFF;
  --radius: 8px;
  --shadow: 0 4px 12px rgba(0,0,0,0.1);
  --success: #2A9D8F;
  --accent: #E76F51;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--dark);
  background-color: var(--light);
  line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
a { text-decoration: none; color: inherit; }

/* Header */
.site-header {
  background: var(--white);
  padding: 15px 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  position: sticky; top: 0; z-index: 100;
}
.site-header .container {
  display: flex; justify-content: space-between; align-items: center;
}
.logo a {
  display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.2rem;
}
.logo-icon { color: var(--primary); }
.highlight { color: var(--accent); }

/* Navigation */
.main-nav ul {
  list-style: none; display: flex; gap: 20px; margin: 0; padding: 0;
}
.main-nav a {
  font-weight: 600; color: var(--dark); transition: color 0.3s;
}
.main-nav a:hover {
  color: var(--primary);
}
@media (max-width: 768px) {
  .main-nav { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius);
  font-weight: 600; cursor: pointer; border: none; transition: 0.3s;
}
.btn-primary { background: var(--primary); color: var(--white); box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--dark); transform: translateY(-2px); }
.btn-block { width: 100%; display: block; }
.btn-pulse { animation: pulse 2s infinite; }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 119, 182, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(0, 119, 182, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 119, 182, 0); }
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--dark), var(--primary));
  color: var(--white); text-align: center; padding: 60px 20px; position: relative; overflow: hidden;
}
.hero h1 { font-size: 2.5rem; margin-bottom: 20px; font-weight: 800; line-height: 1.2; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.9; }
.hero-stats {
  display: flex; justify-content: center; gap: 20px; margin-top: 40px; flex-wrap: wrap;
}
.stat-card {
  background: rgba(255,255,255,0.1); backdrop-filter: blur(10px);
  padding: 20px; border-radius: var(--radius); width: 150px;
}
.stat-card strong { display: block; font-size: 1.5rem; color: var(--secondary); }

/* Iframe / Conversion Container */
.conversion-zone {
  background: var(--white); padding: 40px 0; margin: -40px 20px 40px;
  border-radius: var(--radius); box-shadow: var(--shadow); position: relative; z-index: 10;
}
.iframe-wrapper { width: 100%; min-height: 600px; }

/* Sections */
.section-padding { padding: 60px 0; }
.bg-light { background: var(--white); }
h2 { text-align: center; font-size: 2rem; margin-bottom: 40px; }

/* Simulator */
.simulator-box {
  background: var(--light); padding: 30px; border-radius: var(--radius);
  max-width: 600px; margin: 0 auto; box-shadow: inset 0 2px 4px rgba(0,0,0,0.05); text-align: center;
}
.simulator-inputs {
  display: flex; gap: 10px; flex-direction: column;
}
.simulator-inputs input {
  padding: 12px; border: 1px solid #ccc; border-radius: var(--radius); font-size: 1rem; width: 100%;
}
.simulator-result {
  margin-top: 20px; padding: 15px; background: #e9f5e9; color: var(--success); font-weight: 600; border-radius: var(--radius); display: none;
}

/* Silo Internal Links */
.silo-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px;
}
.silo-card {
  background: var(--light); padding: 20px; border-radius: var(--radius);
  text-align: center; box-shadow: var(--shadow); transition: 0.3s; display: block;
}
.silo-card:hover { transform: translateY(-5px); background: var(--white); }
.silo-card h3 { color: var(--primary); margin-bottom: 10px; }

/* Reviews */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.review-card { background: var(--white); padding: 20px; border-radius: var(--radius); box-shadow: var(--shadow); border-top: 4px solid var(--primary); }
.stars { color: #FFD700; margin-bottom: 10px; }
.review-author { font-weight: 600; margin-top: 15px; font-size: 0.9rem; color: #555; }

/* Footer */
.site-footer { background: var(--dark); color: var(--white); padding: 30px 20px; font-size: 0.9rem; }
.disclaimer { opacity: 0.6; margin-top: 10px; font-size: 0.8rem; }

/* Sticky Mobile */
.sticky-cta-mobile {
  position: fixed; bottom: 0; left: 0; width: 100%; background: var(--white);
  padding: 15px; box-shadow: 0 -2px 10px rgba(0,0,0,0.1); z-index: 1000; display: none;
}
@media (max-width: 768px) {
  .sticky-cta-mobile { display: block; }
  body { padding-bottom: 80px; } /* Space for sticky CTA */
  .header-cta { display: none; }
}

/* Exit Popup */
.modal {
  display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%;
  background-color: rgba(0,0,0,0.6); backdrop-filter: blur(5px);
}
.modal-content {
  background-color: #fefefe; margin: 15% auto; padding: 40px; border: 1px solid #888;
  width: 90%; max-width: 500px; border-radius: var(--radius); text-align: center; position: relative;
  animation: slideDown 0.4s ease-out;
}
.close-modal {
  position: absolute; top: 10px; right: 20px; color: #aaa; font-size: 28px; font-weight: bold; cursor: pointer;
}
.close-modal:hover { color: #000; }
@keyframes slideDown { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* Reveal on scroll */
.reveal-on-scroll { opacity: 0; transform: translateY(20px); transition: all 0.6s ease-out; }
.reveal-on-scroll.revealed { opacity: 1; transform: translateY(0); }

/* Pages Internes */
.page-header { background: var(--dark); color: var(--white); padding: 80px 20px; text-align: center; }
.page-header h1 { font-size: 2.5rem; margin-bottom: 15px; }
.page-content { max-width: 800px; margin: 40px auto; padding: 0 20px; }
.page-content h2 { text-align: left; font-size: 1.8rem; margin-top: 30px; margin-bottom: 20px; color: var(--primary); }
.page-content p { margin-bottom: 20px; font-size: 1.1rem; }
.page-content ul { margin-bottom: 20px; padding-left: 20px; font-size: 1.1rem; }
.page-content li { margin-bottom: 10px; }