:root {
  /* Palette sombre premium */
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a28;
  --text: #f5f5f7;
  --text-muted: #8e8e93;
  
  /* Accents vibrants */
  --primary: #0066ff;
  --primary-glow: rgba(0, 102, 255, 0.4);
  --secondary: #5e5ce6;
  --accent-purple: #bf5af2;
  --accent-pink: #ff2d55;
  --accent-orange: #ff9500;
  --accent-cyan: #64d2ff;
  
  /* Effets */
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--primary-glow);
  
  /* Transitions optimisées */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Performance: Force GPU acceleration sur éléments animés */
.card,
.btn,
.tag,
.chip,
.pin,
#bg {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Prévention CLS - Réserve l'espace */
.grid {
  min-height: 400px; /* Évite le jump pendant le chargement */
}

.hero-copy h2 {
  /* Taille fixe pour éviter CLS */
  min-height: 80px;
}

.card {
  /* Hauteur minimale pour éviter les shifts */
  min-height: 240px; /* Réduit de 280px à 240px pour plus de densité */
  contain: layout style paint; /* Isolation pour performance */
}

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

html {
  overflow-x: hidden;
  /* Smooth scroll natif */
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Optimisation du rendu */
  text-rendering: optimizeSpeed;
}

/* ===== Background Effects ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(94, 92, 230, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(191, 90, 242, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(0, 102, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* Canvas animé - performance optimisée */
#bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  filter: blur(50px) saturate(140%);
  opacity: 0.5;
  mix-blend-mode: screen;
  will-change: opacity;
}

/* Tout le contenu au-dessus */
body > *:not(#bg):not(body::before) {
  position: relative;
  z-index: 1;
}

/* ===== Header Premium ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand .logo {
  font-size: 32px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 16px;
  box-shadow: var(--shadow-glow);
  animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.brand h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, var(--text), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand p {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav-actions .primary {
  position: relative;
  background: var(--primary);
  color: white;
  padding: 12px 24px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s var(--ease-out);
  overflow: hidden;
}

.nav-actions .primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.nav-actions .primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.nav-actions .primary:hover::before {
  transform: translateX(100%);
}

/* ===== Hero Section ===== */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding: 80px 32px 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-copy {
  text-align: center;
}

.hero-copy h2 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  /* Fix CLS - Réserve l'espace */
  min-height: 80px;
  /* Optimisation rendu */
  contain: layout paint;
}

.accent {
  position: relative;
  color: var(--primary);
  -webkit-text-fill-color: var(--primary);
}

.accent::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
  opacity: 0.3;
  border-radius: 4px;
}

.hero-copy p {
  font-size: 20px;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-weight: 500;
}

.quick {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.quick .chip {
  padding: 12px 20px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.quick .chip:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  background: rgba(0, 102, 255, 0.1);
  box-shadow: var(--shadow-md);
}

/* ===== Search Bar Premium ===== */
.searchbar {
  display: flex;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
}

.searchbar input {
  flex: 1;
  padding: 16px 24px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  outline: none;
  transition: all 0.3s var(--ease-out);
}

.searchbar input:focus {
  border-color: var(--primary);
  background: rgba(0, 102, 255, 0.05);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.searchbar input::placeholder {
  color: var(--text-muted);
}

.searchbar button {
  padding: 16px 28px;
  border: 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-weight: 700;
  font-size: 15px;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  box-shadow: var(--shadow-glow);
}

.searchbar button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--primary-glow);
}

/* ===== Filters ===== */
.filters {
  display: flex;
  gap: 12px;
  padding: 0 32px 24px;
  max-width: 1400px;
  margin: 0 auto;
  flex-wrap: wrap;
  align-items: center;
}

.filters select {
  padding: 12px 16px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  outline: none;
}

.filters select:hover,
.filters select:focus {
  border-color: var(--primary);
  background: rgba(0, 102, 255, 0.05);
}

.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tags .tag {
  padding: 8px 16px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  color: var(--text);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.tags .tag:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.tag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

/* ===== Grid Premium ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  padding: 0 32px 80px;
  max-width: 1400px;
  margin: 0 auto;
  /* Fix CLS */
  min-height: 400px;
}

/* ===== Cards Premium ===== */
.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 20px;
  transition: transform 0.2s var(--ease-out), 
              border-color 0.2s var(--ease-out),
              box-shadow 0.2s var(--ease-out);
  cursor: pointer;
  overflow: hidden;
  will-change: transform;
  /* Fix CLS */
  min-height: 240px;
  /* Optimisation */
  contain: layout style paint;
  /* Affichage immédiat - pas de lazy loading */
  content-visibility: auto;
}

.card::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--accent-purple),
    var(--accent-pink)
  );
  border-radius: 20px;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.2s var(--ease-out);
  /* Pas de will-change ici pour économiser la mémoire */
}

.card:hover {
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}

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

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.badge {
  padding: 5px 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 6px;
}

.pin {
  background: transparent;
  border: 0;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s var(--ease-out);
}

.pin:hover {
  transform: scale(1.15);
  color: var(--accent-orange);
}

.title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
  color: var(--text);
}

.meta {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: 12px;
  font-weight: 500;
  min-height: 18px;
}

.chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.chips .chip {
  padding: 5px 10px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
}

.actions {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
}

.btn {
  padding: 10px 16px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(10px);
  color: var(--text);
  font-weight: 600;
  font-size: 13px;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: all 0.2s var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  background: rgba(0, 102, 255, 0.1);
  box-shadow: var(--shadow-md);
}

.btn:first-child {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: 0;
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn:first-child:hover {
  box-shadow: 0 8px 32px var(--primary-glow);
}

/* Status badge */
.card .status {
  position: absolute;
  top: 14px;
  right: 48px;
  padding: 5px 10px;
  font-size: 10px;
  font-weight: 700;
  color: white;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
  z-index: 2;
  transition: all 0.3s var(--ease-out);
}

/* Status "En dev" - Orange/Amber avec animation */
.card[data-status="En dev"] .status {
  background: linear-gradient(135deg, var(--accent-orange), #ffd93d);
  animation: pulse-dev 2s ease-in-out infinite;
}

@keyframes pulse-dev {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

/* Effet de carte "En dev" - Bordure animée */
.card[data-status="En dev"] {
  border: 1px solid rgba(255, 149, 0, 0.3);
  position: relative;
}

.card[data-status="En dev"]::after {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(255, 149, 0, 0.1) 30%,
    transparent 50%,
    rgba(255, 211, 61, 0.1) 70%,
    transparent 100%
  );
  border-radius: 20px;
  opacity: 0;
  z-index: -1;
  animation: shimmer-dev 3s linear infinite;
  pointer-events: none;
}

@keyframes shimmer-dev {
  0% {
    opacity: 0;
    transform: translateX(-100%);
  }
  50% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateX(100%);
  }
}

.card[data-status="En dev"]:hover::after {
  animation-play-state: paused;
  opacity: 0.8;
}

/* Icône "En construction" pour les cards en dev */
.card[data-status="En dev"] .badge::before {
  content: '🚧 ';
}

/* Status "POSTED" - Vert/Success avec shine */
.card[data-status="POSTED"] .status {
  background: linear-gradient(135deg, #10b981, #34d399);
  animation: shine-posted 3s ease-in-out infinite;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

@keyframes shine-posted {
  0%, 100% {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
  }
  50% {
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.7), 0 0 10px rgba(16, 185, 129, 0.5) inset;
  }
}

/* Effet de carte "POSTED" - Bordure verte */
.card[data-status="POSTED"] {
  border: 1px solid rgba(16, 185, 129, 0.3);
  background: linear-gradient(
    135deg,
    var(--bg-card) 0%,
    rgba(16, 185, 129, 0.03) 100%
  );
}

.card[data-status="POSTED"]::before {
  background: linear-gradient(
    135deg,
    rgba(16, 185, 129, 0.6),
    rgba(52, 211, 153, 0.6),
    rgba(110, 231, 183, 0.6)
  );
}

/* Icône "Publié" pour les cards posted */
.card[data-status="POSTED"] .badge::before {
  content: '✨ ';
}

/* Badge hover effects */
.card[data-status="En dev"]:hover .status {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 16px rgba(255, 149, 0, 0.5);
}

.card[data-status="POSTED"]:hover .status {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.6);
}

/* Glow effect sur les actions pour les cards POSTED */
.card[data-status="POSTED"] .btn:first-child {
  background: linear-gradient(135deg, #10b981, #34d399);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.card[data-status="POSTED"] .btn:first-child:hover {
  box-shadow: 0 8px 32px rgba(16, 185, 129, 0.5);
}

/* Effet "En construction" pour les boutons des cards en dev */
.card[data-status="En dev"] .btn:first-child {
  background: linear-gradient(135deg, var(--accent-orange), #ffd93d);
  position: relative;
  overflow: hidden;
}

.card[data-status="En dev"] .btn:first-child::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transform: translateX(-100%);
  animation: button-shimmer 2s infinite;
}

@keyframes button-shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(200%);
  }
}

/* Ribbon effect pour les cards POSTED */
.card[data-status="POSTED"] {
  overflow: visible;
}

.card[data-status="POSTED"]::after {
  content: '';
  position: absolute;
  top: 12px;
  right: -6px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 20px 20px;
  border-color: transparent transparent rgba(16, 185, 129, 0.2) transparent;
  z-index: 1;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 32px;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .hero {
    gap: 32px;
    padding: 60px 24px 40px;
  }
  
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
    padding: 0 24px 60px;
  }
}

@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: 16px;
    padding: 16px 20px;
  }
  
  .brand .logo {
    width: 48px;
    height: 48px;
    font-size: 28px;
  }
  
  .brand h1 {
    font-size: 20px;
  }
  
  .brand p {
    font-size: 12px;
  }
  
  .hero {
    padding: 40px 20px 32px;
  }
  
  .hero-copy h2 {
    font-size: 36px;
  }
  
  .hero-copy p {
    font-size: 16px;
  }
  
  .searchbar {
    flex-direction: column;
  }
  
  .searchbar button {
    width: 100%;
  }
  
  .filters {
    padding: 0 20px 20px;
  }
  
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    padding: 0 20px 40px;
  }
  
  .actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .grid {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: 18px;
  }
  
  .title {
    font-size: 17px;
  }
  
  .btn {
    padding: 10px 14px;
    font-size: 13px;
  }
}