/* Agentique Atelier — Visual Upgrade: Scroll Progress & Polish */

/* ===== SCROLL PROGRESS BAR (CORAL) ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #E67E50, #B491C8);
  z-index: 10001;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px rgba(230, 126, 80, 0.5);
  width: 0;
}

/* ===== SMOOTH SCROLL ===== */
html {
  scroll-behavior: smooth;
}

/* ===== ENHANCED CARDS — DEPTH & HOVER ===== */
.atelier-card {
  position: relative;
  overflow: hidden;
}

.atelier-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(230, 126, 80, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.workflow-card {
  position: relative;
  overflow: hidden;
}

.workflow-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(230, 126, 80, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

/* ===== FADE-IN ON SCROLL ANIMATION ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-on-scroll {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

/* ===== BUTTON ENHANCEMENT ===== */
.btn-atelier-primary {
  position: relative;
  overflow: hidden;
}

.btn-atelier-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 40%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 60%
  );
  animation: btnShimmer 3s ease-in-out infinite;
}

@keyframes btnShimmer {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

/* ===== SUBTLE TEXTURE ===== */
body.atelier::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ===== RESPONSIVE MOBILE NAV ===== */
@media (max-width: 768px) {
  .nav.atelier-nav .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--atelier-bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: right 0.3s ease;
    border-left: 2px solid var(--atelier-border);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
  }
  
  .nav.atelier-nav .nav-links.active {
    right: 0;
  }
  
  .nav.atelier-nav .nav-toggle {
    display: flex;
  }
  
  .nav.atelier-nav .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }
  
  .nav.atelier-nav .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav.atelier-nav .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
  }
}