/**
 * ============================================================================
 * CARELINK PRO - WEBSITE DESIGN SYSTEM
 * ============================================================================
 *
 * Design system adapté de l'application CareLink Pro v3.0.0
 * Palette médicale professionnelle
 */

:root {
  /* OVERRIDE - Forcer le thème clair Pro */
  --primary-color: #3B82F6 !important;
  --primary-dark: #1E40AF !important;
  --text-dark: #111827 !important;
  --text-light: #6B7280 !important;
  --text-muted: #9CA3AF !important;
  --bg-primary: #FFFFFF !important;
  --bg-secondary: #F9FAFB !important;
  --bg-tertiary: #F3F4F6 !important;
  --bg-light: #F9FAFB !important;
  --bg-white: #FFFFFF !important;
  --border-color: #E5E7EB !important;

  /* Couleurs Pro - Palette médicale */
  --primary: #3B82F6;           /* Medical Blue */
  --primary-light: #DBEAFE;
  --primary-dark: #1E40AF;

  --secondary: #14B8A6;         /* Medical Teal */
  --secondary-light: #CCFBF1;
  --secondary-dark: #0F766E;

  --accent: #A855F7;            /* Purple Premium */
  --accent-light: #F3E8FF;
  --accent-dark: #7E22CE;

  /* États de santé */
  --health-excellent: #10B981;
  --health-good: #3B82F6;
  --health-fair: #F59E0B;
  --health-poor: #EF4444;

  /* Semantic */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  /* Neutrals */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  /* Background */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-tertiary: #F3F4F6;
  --bg-dark: #1F2937;

  /* Text */
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-tertiary: #6B7280;
  --text-light: #9CA3AF;
  --text-on-dark: #F9FAFB;

  /* Borders */
  --border-light: #E5E7EB;
  --border-medium: #D1D5DB;
  --border-dark: #9CA3AF;

  /* Shadows Pro */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Gradients Pro */
  --gradient-primary: linear-gradient(135deg, #3B82F6 0%, #14B8A6 100%);
  --gradient-accent: linear-gradient(135deg, #A855F7 0%, #EC4899 100%);
  --gradient-health: linear-gradient(135deg, #10B981 0%, #14B8A6 100%);
  --gradient-premium: linear-gradient(135deg, #3B82F6 0%, #A855F7 100%);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Améliorations Pro pour les boutons */
.btn-primary {
  background: var(--gradient-premium) !important;
  border: none !important;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left var(--transition-slow);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: var(--bg-primary) !important;
  color: var(--primary) !important;
  border: 2px solid var(--primary) !important;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  background: var(--primary-light) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Cards Pro avec effets */
.feature-card, .pricing-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.feature-card:hover, .pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(to bottom, var(--bg-primary), var(--primary-light));
}

.pricing-badge {
  background: var(--gradient-premium);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-md);
}

/* Icônes Lucide Pro */
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.feature-icon svg {
  width: 48px;
  height: 48px;
  stroke: url(#icon-gradient);
  stroke-width: 2;
  filter: drop-shadow(0 4px 6px rgba(59, 130, 246, 0.2));
}

/* Logo avec icône */
.logo svg {
  width: 32px;
  height: 32px;
  stroke: var(--primary);
  stroke-width: 2;
  margin-right: 0.5rem;
}

/* Icônes dans les cartes */
.pricing-card svg,
.feature-card svg,
.contact-info svg {
  stroke: var(--primary);
  stroke-width: 2;
}

/* Icônes dans les listes */
.pricing-features li svg,
.features-grid li svg,
ul li svg {
  width: 20px;
  height: 20px;
  vertical-align: middle;
  margin-right: 0.5rem;
  stroke: var(--primary);
  stroke-width: 2;
}

.pricing-features li i,
ul li i {
  display: inline-flex;
  align-items: center;
  margin-right: 0.5rem;
}

/* Stats avec effet glassmorphism */
.stat-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary);
}

.stat-number {
  background: var(--gradient-premium);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}

/* Hero section Pro */
.hero {
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.hero p {
  color: rgba(255, 255, 255, 0.95) !important;
  font-size: 1.25rem;
  font-weight: 500;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

/* Table de comparaison Pro */
.comparison-table table {
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.comparison-table thead {
  background: var(--gradient-primary);
  color: white;
}

.comparison-table tbody tr {
  transition: all var(--transition-fast);
}

.comparison-table tbody tr:hover {
  background: var(--primary-light);
  transform: scale(1.01);
}

.comparison-table tr.highlight {
  background: var(--accent-light);
  font-weight: 600;
}

.comparison-table .check {
  color: var(--success);
  font-weight: 600;
}

.comparison-table .cross {
  color: var(--gray-400);
}

/* Section backgrounds alternés */
.section.bg-light {
  background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-primary));
}

/* Sous-titres plus lisibles */
.section-subtitle {
  color: var(--gray-600) !important;
  font-size: 1.25rem !important;
  font-weight: 500 !important;
  line-height: 1.6 !important;
  max-width: 700px !important;
}

/* Footer Pro */
footer {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border-top: 3px solid var(--primary);
}

footer a:hover {
  color: var(--primary);
  transition: color var(--transition-fast);
}

/* Navigation Pro */
header {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

nav {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
}

.nav-links a.active {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

/* Responsive improvements */
@media (max-width: 768px) {
  .feature-card:hover, .pricing-card:hover {
    transform: none;
  }

  .stat-card:hover {
    transform: scale(1.02);
  }
}

/* Accessibility Pro */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Loading states */
.loading {
  animation: shimmer 1.5s infinite;
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Badges et pills */
.badge-pro {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--gradient-premium);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

.badge-dev {
  background: var(--warning);
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Selection */
::selection {
  background: var(--primary);
  color: white;
}

/* ============================================================================
   MODE SOMBRE
   ============================================================================ */

/* Floating Theme Toggle */
.theme-switch-floating {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  width: 56px;
  height: 56px;
  display: inline-block;
  cursor: pointer;
}

.theme-switch-floating input {
  opacity: 0;
  width: 0;
  height: 0;
}

.theme-switch-floating .slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  border: 2px solid var(--primary);
  transition: 0.3s;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
}

.theme-switch-floating .slider:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-2xl);
}

.theme-switch-floating .slider svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
  position: absolute;
  transition: all 0.3s ease;
}

.theme-switch-floating .slider .sun-icon {
  stroke: #FDB813;
  opacity: 1;
}

.theme-switch-floating .slider .moon-icon {
  stroke: var(--primary);
  opacity: 0;
}

.theme-switch-floating input:checked + .slider .sun-icon {
  opacity: 0;
  transform: rotate(180deg);
}

.theme-switch-floating input:checked + .slider .moon-icon {
  opacity: 1;
  transform: rotate(0deg);
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --primary: #60A5FA;
  --primary-light: #1E3A5F;
  --primary-dark: #93C5FD;

  --secondary: #34D399;
  --secondary-light: #1E3A32;
  --secondary-dark: #6EE7B7;

  --accent: #C084FC;
  --accent-light: #3B2F5F;
  --accent-dark: #E9D5FF;

  --success: #34D399;
  --warning: #FBBF24;
  --error: #F87171;
  --info: #60A5FA;

  --gray-50: #1F2937;
  --gray-100: #374151;
  --gray-200: #4B5563;
  --gray-300: #6B7280;
  --gray-400: #9CA3AF;
  --gray-500: #D1D5DB;
  --gray-600: #E5E7EB;
  --gray-700: #F3F4F6;
  --gray-800: #F9FAFB;
  --gray-900: #FFFFFF;

  --bg-primary: #111827 !important;
  --bg-secondary: #1F2937 !important;
  --bg-tertiary: #374151 !important;
  --bg-dark: #030712;
  --bg-light: #1F2937 !important;

  --text-primary: #F9FAFB;
  --text-secondary: #E5E7EB;
  --text-tertiary: #D1D5DB;
  --text-light: #9CA3AF;
  --text-dark: #F9FAFB !important;
  --text-on-dark: #F9FAFB;

  --border-light: #374151 !important;
  --border-medium: #4B5563;
  --border-dark: #6B7280;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);

  --gradient-primary: linear-gradient(135deg, #1E3A8A 0%, #065F46 100%);
  --gradient-accent: linear-gradient(135deg, #6B21A8 0%, #9333EA 100%);
  --gradient-health: linear-gradient(135deg, #065F46 0%, #047857 100%);
  --gradient-premium: linear-gradient(135deg, #1E40AF 0%, #7C3AED 100%);
}

[data-theme="dark"] .hero {
  background: var(--gradient-primary);
}

[data-theme="dark"] .feature-card,
[data-theme="dark"] .pricing-card {
  background: var(--bg-secondary);
  border-color: var(--border-light);
}

[data-theme="dark"] .pricing-card.featured {
  background: linear-gradient(to bottom, var(--bg-secondary), var(--primary-light));
  border-color: var(--primary);
}

[data-theme="dark"] footer {
  background: var(--bg-dark);
  border-top-color: var(--primary);
}

[data-theme="dark"] .section.bg-light {
  background: var(--bg-secondary);
}

[data-theme="dark"] .comparison-table table {
  background: var(--bg-secondary);
}

[data-theme="dark"] .comparison-table thead {
  background: var(--gradient-primary);
}

[data-theme="dark"] .comparison-table tbody tr:hover {
  background: var(--primary-light);
}

[data-theme="dark"] header {
  background: rgba(31, 41, 55, 0.95);
  backdrop-filter: blur(10px);
}

[data-theme="dark"] .btn-secondary {
  background: var(--bg-secondary) !important;
  border-color: var(--primary) !important;
}

[data-theme="dark"] .btn-secondary:hover {
  background: var(--primary-light) !important;
}