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

/* PALETTE DE COULEURS NANCYTE */
:root {
  --color-primary: #103c54;
  --color-accent: #CC4F39;
  --color-background: #faf4ef;
  --color-white: #FFFFFF;
  --color-gray: #4B4B4B;
  --color-background2: #b2cee04d;
  
  --border-color: #e0e0e0;
  --shadow: rgba(16, 60, 84, 0.1);
  --shadow-hover: rgba(16, 60, 84, 0.2);
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--color-primary);
  background-color: var(--color-background);
  font-size: 16px;
  margin-top: 80px; /* Espace pour header fixe */
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* STYLES POUR HEADER, FOOTER, SCROLL BTN NANCYTE */
.navbar {
    padding: 0.75rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: transform 0.3s, background-color 0.3s;
    background: radial-gradient(ellipse at bottom, #faf4ef1d 0%, #faf4ef38 100%);
    backdrop-filter: blur(10px);
}
.navbar.hidden { transform: translateY(-100%); }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { text-decoration: none; flex-shrink: 0; }
.logo-img { height: 60px; width: auto; vertical-align: middle; }
.logo-img2 { height: 30px; width: auto; vertical-align: middle; }
.nav-links { list-style: none; display: flex; gap: 2rem; align-items: center; }
.nav-links a { color: var(--color-primary); text-decoration: none; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--color-accent); }
.nav-btn {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    font-weight: bold;
    transition: background-color 0.3s ease;
}
.nav-btn:hover { background-color: var(--color-accent); }
.mobile-menu-container { display: none; }
.check-icon { display: none; }
.footer {
    padding: 2rem 1rem;
    text-align: center;
    margin-top: 4rem;
    border-top: 1px solid var(--color-background2);
}
.footer-content { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; }
.footer-links a { color: var(--color-primary); }
.footer-links a:hover { color: var(--color-accent); }
.scrollToTopBtn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    width: 65px;
    height: 65px;
    cursor: pointer;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    transform: translateY(20px);
}
.scrollToTopBtn.show { display: flex; opacity: 1; transform: translateY(0); }

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e5a73 100%);
  color: var(--color-white);
  padding: 4rem 0;
  text-align: center;
}
.hero-content { max-width: 800px; margin: 0 auto; }
.hero-title { font-size: 3rem; font-weight: 700; margin-bottom: 1.5rem; line-height: 1.2; }
.hero-description { font-size: 1.2rem; margin-bottom: 3rem; opacity: 0.95; line-height: 1.6; }
.hero-stats { display: flex; justify-content: center; gap: 3rem; }
.stat { display: flex; flex-direction: column; align-items: center; }
.stat-number { font-size: 2.5rem; font-weight: 700; color: var(--color-white); }
.stat-label { font-size: 0.9rem; opacity: 0.8; margin-top: 0.5rem; }

/* Sections & Cards */
.featured, .platforms { padding: 4rem 0; background: var(--color-white); }
.categories, .comparison { padding: 4rem 0; background: var(--color-background); }
.section-title { text-align: center; font-size: 2.5rem; font-weight: 700; color: var(--color-primary); margin-bottom: 3rem; }
.featured-platform { max-width: 800px; margin: 0 auto; }
.featured-card { border: 3px solid var(--color-primary); box-shadow: 0 10px 40px var(--shadow-hover); position: relative; overflow: hidden; }
.featured-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.platform-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: 0 4px 20px var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.platform-card:hover { transform: translateY(-5px); box-shadow: 0 8px 30px var(--shadow-hover); }
.platform-header { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; position: relative; }
.platform-icon { font-size: 2rem; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: var(--color-background); border-radius: var(--border-radius); flex-shrink: 0; }
.platform-info { flex: 1; }
.platform-name { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); margin-bottom: 0.5rem; }
.platform-tagline { color: var(--color-gray); font-size: 0.9rem; margin-bottom: 0.5rem; }
.platform-rating { display: flex; align-items: center; gap: 0.5rem; }
.stars { color: #ffd700; font-size: 1rem; }
.rating-score { font-weight: 600; color: var(--color-primary); font-size: 0.9rem; }
.platform-badge { position: absolute; top: -10px; right: -10px; background: var(--color-accent); color: var(--color-white); padding: 0.5rem 1rem; border-radius: var(--border-radius); font-size: 0.8rem; font-weight: 600; }
.platform-description { color: var(--color-gray); margin-bottom: 1.5rem; line-height: 1.6; flex: 1; }
.platform-features { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.feature-tag { background: var(--color-background); color: var(--color-primary); padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.8rem; font-weight: 500; border: 1px solid rgba(16, 60, 84, 0.2); }
.platform-actions { display: flex; gap: 0.75rem; margin-top: auto; }

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 0.9rem;
  flex: 1;
}
.btn-primary { background: var(--color-primary); color: var(--color-white); }
.btn-primary:hover { background: var(--color-accent); transform: translateY(-2px); text-decoration: none; color: var(--color-white); }
.btn-secondary { background: var(--color-background); color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary); color: var(--color-white); text-decoration: none; }
.btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); text-decoration: none; }

/* Categories & Grids */
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.category-card { background: var(--color-white); padding: 2rem; border-radius: var(--border-radius); text-align: center; box-shadow: 0 4px 20px var(--shadow); transition: var(--transition); border: 1px solid var(--border-color); }
.category-card:hover { transform: translateY(-3px); box-shadow: 0 8px 25px var(--shadow-hover); }
.category-icon { font-size: 3rem; margin-bottom: 1rem; }
.category-card h3 { font-size: 1.3rem; font-weight: 700; color: var(--color-primary); margin-bottom: 1rem; }
.category-card p { color: var(--color-gray); margin-bottom: 1.5rem; line-height: 1.5; }
.platforms-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 2rem; }

/* Search & Filters */
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.search-container { margin: 2rem auto; display: flex; gap: 0.5rem; max-width: 600px; }
.search-input { flex: 1; padding: 0.75rem 1rem; border: 2px solid var(--border-color); border-radius: var(--border-radius); font-size: 0.9rem; transition: var(--transition); }
.search-input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(16, 60, 84, 0.1); }
.search-btn { padding: 0.75rem 1rem; background: var(--color-primary); color: var(--color-white); border: none; border-radius: var(--border-radius); cursor: pointer; transition: var(--transition); }
.search-btn:hover { background: var(--color-accent); }
.filter-controls { display: flex; gap: 1rem; align-items: center; }
.sort-select { padding: 0.5rem 1rem; border: 2px solid var(--border-color); border-radius: var(--border-radius); background: var(--color-white); color: var(--color-primary); cursor: pointer; }

/* Comparison */
.comparison-container { background: var(--color-white); border-radius: var(--border-radius); padding: 2rem; box-shadow: 0 4px 20px var(--shadow); }
.comparison-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 2px solid var(--border-color); }
.comparison-table { overflow-x: auto; }
.comparison-empty { text-align: center; color: var(--color-gray); padding: 3rem; font-style: italic; }
.comparison-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.comparison-item { border: 2px solid var(--border-color); border-radius: var(--border-radius); padding: 1.5rem; background: var(--color-background); }
.comparison-item h4 { color: var(--color-primary); margin-bottom: 1rem; font-size: 1.2rem; }
.comparison-features { list-style: none; padding: 0;}
.comparison-features li { padding: 0.5rem 0; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: flex-start; gap: 0.5rem; }
.comparison-features li:last-child { border-bottom: none; }

/* Responsive */
@media (max-width: 768px) {
  .desktop-nav-links { display: none; }
  .mobile-menu-container { display: flex; }
  .icon-menu { width: 26px; display: flex; flex-direction: column; gap: 5px; cursor: pointer; }
  .bar { height: 2.5px; width: 100%; border-radius: .5rem; background: var(--color-primary); }
  .nav-links.mobile-nav-links { display: none; flex-direction: column; gap: 1.5rem; position: fixed; top: 0; right: -100%; width: 70%; height: 100vh; background: var(--color-background); padding: 6rem 2rem; box-shadow: -5px 0 15px rgba(0,0,0,0.1); transition: right 0.4s ease; }
  .check-icon:checked ~ .mobile-nav-links { display: flex; right: 0; }
  
  .hero-title { font-size: 2rem; }
  .hero-stats { flex-direction: row; gap: 1.5rem; }
  .section-header { flex-direction: column; gap: 1rem; align-items: stretch; }
  .filter-controls { justify-content: center; }
  .platforms-grid { grid-template-columns: 1fr; }
  .comparison-header { flex-direction: column; gap: 1rem; align-items: stretch; }
  .platform-actions { flex-direction: column; }
}

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.platform-card { animation: fadeInUp 0.6s ease-out; }
.platform-card:nth-child(2) { animation-delay: 0.1s; }
.platform-card:nth-child(3) { animation-delay: 0.2s; }
.platform-card:nth-child(4) { animation-delay: 0.3s; }