/* Persona 2 IS – Pack HD FR — Masterclass CSS */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Space+Mono:wght@400;700&display=swap');

:root {
  --red: #d32f2f;
  --red-hover: #b71c1c;
  --bg: #0c0c0c;
  --surface: #1a1a1a;
  --surface-light: #242424;
  --text: #eaeaea;
  --text-muted: #a0a0a0;
  --border: #2a2a2a;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.5);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 2.5rem 1.5rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1 {
  font-weight: 900;
  font-size: 2.6rem;
  letter-spacing: -1px;
  text-transform: uppercase;
  border-left: 6px solid var(--red);
  padding-left: 1.2rem;
  margin-bottom: 0.2rem;
  color: #fff;
}

.subtitle {
  font-weight: 600;
  color: var(--red);
  margin-bottom: 2.5rem;
  font-size: 1.1rem;
  letter-spacing: 0.3px;
}

a {
  color: var(--red);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}
a:hover {
  color: #ff5252;
  text-decoration: underline;
}

.container {
  max-width: 1060px;
  margin: 0 auto;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.badge {
  display: inline-block;
  background: var(--red);
  color: #fff;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-family: 'Space Mono', monospace;
  border: 1px solid rgba(255,255,255,0.15);
}

.buttons-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  color: #fff;
  font-weight: 700;
  padding: 0.8rem 2rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  font-size: 0.9rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  gap: 0.5rem;
}
.btn:hover {
  background: var(--red-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  text-decoration: none;
  color: #fff;
}
.btn:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--red);
  color: var(--red);
  box-shadow: none;
}
.btn-outline:hover {
  background: var(--red);
  color: #fff;
}

/* Filtres Text / UI */
.filter-buttons {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.filter-btn {
  background: var(--surface-light);
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.6rem 2rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.3px;
}
.filter-btn:hover {
  background: #2e2e2e;
  color: #fff;
}
.filter-btn.active {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
  box-shadow: 0 2px 8px rgba(211, 47, 47, 0.4);
}

/* Grille des sliders */
.slider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.8rem;
}

.slider-card {
  background: var(--surface-light);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.slider-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.slider-card .name {
  padding: 0.7rem 0.8rem;
  text-align: center;
  font-weight: 600;
  background: rgba(0,0,0,0.3);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  font-family: 'Space Mono', monospace;
  border-bottom: 1px solid var(--border);
}

/* Comparaison */
.comparison {
  position: relative;
  width: 100%;
  height: 250px;
  background: #000;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
  overflow: hidden;
  border-bottom: 2px solid var(--border);
}

.img-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 1;
}

.before-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  clip-path: inset(0 calc(100% - var(--pos, 50%)) 0 0);
  transition: clip-path 0.05s linear;
}

.img-before {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos, 50%);
  width: 4px;
  background: var(--red);
  z-index: 3;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 12px rgba(211, 47, 47, 0.7);
  transition: left 0.05s linear;
}

.slider-handle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 28px;
  height: 28px;
  background: var(--red);
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 16px var(--red);
  transition: box-shadow var(--transition);
}
.comparison:hover .slider-handle::after {
  box-shadow: 0 0 24px var(--red);
}

.label-left,
.label-right {
  position: absolute;
  bottom: 10px;
  padding: 4px 12px;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  z-index: 4;
  pointer-events: none;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.15);
}
.label-left { left: 10px; }
.label-right { right: 10px; }

/* Pied de page */
footer {
  text-align: center;
  margin-top: 3rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.3px;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.card {
  animation: fadeUp 0.5s ease-out both;
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.2s; }
.card:nth-child(5) { animation-delay: 0.25s; }

body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 999;
  opacity: 0.6;
}

@media (max-width: 640px) {
  body {
    padding: 1.5rem 1rem;
  }
  h1 {
    font-size: 2rem;
    border-left-width: 4px;
    padding-left: 0.8rem;
  }
  .slider-grid {
    grid-template-columns: 1fr;
  }
  .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.85rem;
  }
  .card {
    padding: 1.5rem;
  }
}

/* Navigation supérieure */
.top-nav {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}
.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition);
}
.nav-link.active,
.nav-link:hover {
  color: var(--red);
}

/* Nouveaux éléments pour la page d'accueil */
.hero-card {
  text-align: center;
}
.lead {
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: #fff;
}
.alert-box {
  background: #1f1a1a;
  border: 1px solid var(--red);
  border-left: 4px solid var(--red);
  padding: 1rem;
  margin-top: 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: #f0c0c0;
}
.alert-box.info {
  background: #1a1f1a;
  border-color: #4caf50;
  border-left-color: #4caf50;
  color: #c0f0c0;
}
.steps {
  list-style: none;
  padding: 0;
}
.steps li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* Carte contenant la vidéo */
.card-video {
  padding: 1.5rem;
  text-align: center;
}

/* Conteneur de la vidéo */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;    /* ratio 16:9 */
  height: 0;
  overflow: hidden;
  max-width: 100%;          /* occupe toute la largeur disponible */
  margin: 0 auto;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}