/* styles.css */

:root {
  --bg-canvas: #FAFAFA;
  --text-obsidian: #111111;
  --text-subtle: #666666;
  --border-light: #EAEAEA;
  --border-hover: #D4D4D4;
  --emerald-accent: #10B981;
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg-canvas);
  color: var(--text-obsidian);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Grille technique d'arrière-plan */
.technical-grid {
  background-size: 40px 40px;
  background-image:
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Cartes Premium */
.premium-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 4px rgba(0,0,0,0.01), 0 8px 16px -4px rgba(0,0,0,0.03);
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.premium-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.02), 0 16px 32px -8px rgba(0,0,0,0.05);
  border-color: var(--border-hover);
}

/* Transitions pour les cartes d'expertises et stepper */
.expertise-card-transition {
  transition: 
    transform 300ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 300ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 450ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 450ms cubic-bezier(0.22, 1, 0.36, 1),
    background-color 450ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity, box-shadow;
}

/* Shimmer Layer Effect */
.shimmer-layer {
  transform: translateX(-100%);
}
.group:hover .shimmer-layer {
  animation: shimmer 1.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

/* Modal Drawer / Backdrop */
.modal-backdrop {
  background-color: rgba(250, 250, 250, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-content {
  transform: translateY(20px) scale(0.98);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-open .modal-content {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* Stepper interactif */
.stepper-trigger {
  cursor: pointer;
  transition: all 0.3s ease;
}

.stepper-trigger.active {
  border-color: var(--text-obsidian);
  background-color: #FFFFFF;
}

.stepper-trigger.active .step-number {
  color: var(--text-obsidian);
  font-weight: 700;
}

.stepper-details-panel {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.stepper-details-panel.active {
  opacity: 1;
  transform: translateY(0);
}


/* Hide scrollbar utility */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Tech Logo Carousel */
.logo-carousel-container {
  overflow: hidden;
  position: relative;
  width: 100%;
}

.logo-carousel-fade {
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

@keyframes logoScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.animate-logoScroll {
  display: flex;
  width: max-content;
  animation: logoScroll 30s linear infinite;
}

.animate-logoScroll:hover {
  animation-play-state: paused;
}

.tech-logo-item {
  display: flex;
  align-items: center;
  gap: 8px;
  filter: grayscale(100%);
  opacity: 0.55;
  transition: all 0.3s ease;
}

.tech-logo-item:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: translateY(-2px);
}