/* ============================================
   IPM Alizé - Design Zen / Feng Shui
   Palette pastel, ambiance institutionnelle douce
   ============================================ */

:root {
  --color-primary: #7EB5A6;
  --color-secondary: #A8D5BA;
  --color-accent: #E8B4B8;
  --color-warm: #F5E6D3;
  --color-cool: #B8D4E3;
  --color-text: #4A5568;
  --color-text-light: #718096;
  --color-bg: #FAFBFC;
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.08);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #E8F4F8 0%, #F5F0E8 50%, #F0E8F4 100%);
  min-height: 100vh;
  color: var(--color-text);
  line-height: 1.6;
}

/* Navbar translucide avec blur */
.navbar-zen {
  background: rgba(255, 255, 255, 0.72) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-soft);
  padding: 1rem 0;
}

.navbar-zen .navbar-brand {
  color: var(--color-primary) !important;
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.navbar-zen .nav-link {
  color: var(--color-text) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  margin: 0 0.25rem;
}

.navbar-zen .nav-link:hover {
  background: rgba(126, 181, 166, 0.15);
  color: var(--color-primary) !important;
}

.navbar-zen .nav-link.active {
  background: rgba(126, 181, 166, 0.2);
  color: var(--color-primary) !important;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

/* Hero section */
.hero-zen {
  padding: 5rem 1rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, transparent 100%);
}

.hero-zen h1 {
  font-weight: 300;
  font-size: 2.75rem;
  color: var(--color-text);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-zen .lead {
  color: var(--color-text-light);
  font-size: 1.25rem;
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

/* Cards élégantes */
.card-zen {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.card-zen:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
  background: rgba(255, 255, 255, 0.95);
}

.card-zen .card-body {
  padding: 2rem;
}

.card-zen .card-title {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.card-zen .card-text {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Boutons pastel */
.btn-zen {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.75rem 2rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(126, 181, 166, 0.3);
}

.btn-zen:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(126, 181, 166, 0.4);
  color: white;
  background: linear-gradient(135deg, #6FA897, #97C9A8);
}

.btn-zen-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 0.75rem 2rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-zen-outline:hover {
  background: var(--color-primary);
  color: white;
}

/* Accordion stylisé */
.accordion-zen .accordion-item {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(126, 181, 166, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.accordion-zen .accordion-button {
  background: transparent;
  color: var(--color-text);
  font-weight: 500;
  padding: 1.25rem 1.5rem;
}

.accordion-zen .accordion-button:not(.collapsed) {
  background: rgba(126, 181, 166, 0.1);
  color: var(--color-primary);
  box-shadow: none;
}

.accordion-zen .accordion-button:focus {
  box-shadow: none;
  border-color: rgba(126, 181, 166, 0.3);
}

.accordion-zen .accordion-body {
  padding: 1.5rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* Carousel zen */
.carousel-zen {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  background: white;
}

.carousel-zen .carousel-inner {
  border-radius: var(--radius-lg);
}

.carousel-zen .carousel-item {
  background: linear-gradient(135deg, #E8F4F8 0%, #F0F7F4 100%);
  min-height: 380px;
}

.carousel-zen .carousel-slide-content {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  padding: 3rem 2rem;
}

.carousel-zen .carousel-slide-content .display-1 {
  font-size: 5rem;
  line-height: 1;
}

.carousel-zen .carousel-slide-content h3 {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1.75rem;
}

.carousel-zen .carousel-caption {
  position: absolute;
  right: 10%;
  bottom: 2rem;
  left: 10%;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.carousel-zen .carousel-caption h5 {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.carousel-zen .carousel-caption p {
  color: var(--color-text-light);
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Indicateurs du carousel */
.carousel-zen .carousel-indicators {
  bottom: 1rem;
}

.carousel-zen .carousel-indicators button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(126, 181, 166, 0.4);
  border: none;
  margin: 0 6px;
  transition: all 0.3s ease;
}

.carousel-zen .carousel-indicators button.active {
  background-color: var(--color-primary);
  transform: scale(1.2);
}

/* Contrôles du carousel */
.carousel-zen .carousel-control-prev,
.carousel-zen .carousel-control-next {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.8;
  transition: all 0.3s ease;
}

.carousel-zen .carousel-control-prev {
  left: 1rem;
}

.carousel-zen .carousel-control-next {
  right: 1rem;
}

.carousel-zen .carousel-control-prev:hover,
.carousel-zen .carousel-control-next:hover {
  opacity: 1;
  background: white;
  box-shadow: var(--shadow-soft);
}

.carousel-zen .carousel-control-prev-icon,
.carousel-zen .carousel-control-next-icon {
  width: 24px;
  height: 24px;
  filter: invert(48%) sepia(15%) saturate(890%) hue-rotate(118deg) brightness(92%) contrast(88%);
}

/* Formulaire zen */
.form-zen .form-control {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(126, 181, 166, 0.3);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-zen .form-control:focus {
  background: white;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(126, 181, 166, 0.15);
}

.form-zen .form-label {
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-zen textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Alert zen */
.alert-zen {
  background: rgba(168, 213, 186, 0.2);
  border: 1px solid rgba(126, 181, 166, 0.3);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
}

/* Section titres */
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-weight: 300;
  color: var(--color-text);
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.section-title p {
  color: var(--color-text-light);
  font-size: 1.1rem;
}

/* Icônes objectifs */
.icon-circle {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 2rem;
  box-shadow: 0 4px 15px rgba(126, 181, 166, 0.3);
}

/* Footer */
.footer-zen {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  padding: 2rem 0;
  margin-top: 4rem;
  text-align: center;
  color: var(--color-text-light);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-zen h1 {
    font-size: 2rem;
  }
  
  .card-zen .card-body {
    padding: 1.5rem;
  }
  
  .carousel-zen .carousel-item {
    min-height: 300px;
  }
  
  .carousel-zen .carousel-caption {
    max-width: 90%;
    padding: 1rem;
  }
}

/* Animation douce */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.6s ease forwards;
}