/* Ultra Modern Design System - Banco de Portugal */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Palette Ultra Moderne */
  --primary-gold: #C5A572;
  --primary-gold-bright: #D4B987;
  --primary-gold-dark: #A08751;
  --primary-navy: #1E3A5F;
  --primary-navy-dark: #0F1E2F;
  --primary-navy-light: #2B4A6B;
  
  /* Couleurs Glass Morphism */
  --glass-bg: rgba(20, 20, 30, 0.95);
  --glass-border: rgba(197, 165, 114, 0.2);
  --glass-highlight: rgba(255, 255, 255, 0.1);
  
  /* Nouveau système de couleurs */
  --surface-primary: #0a0a0a;
  --surface-secondary: rgba(20, 20, 30, 0.8);
  --surface-glass: rgba(20, 20, 30, 0.95);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  
  /* Ombres modernes */
  --shadow-glow: 0 0 40px rgba(197, 165, 114, 0.3);
  --shadow-glass: 0 32px 64px rgba(0, 0, 0, 0.4);
  --shadow-floating: 0 16px 48px rgba(0, 0, 0, 0.3);
  
  /* Transitions fluides */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Espacements */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Rayons de bordure */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

/* Reset global moderne */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  color: var(--text-primary);
  background: var(--surface-primary);
  overflow-x: hidden;
}

/* Système de grille moderne */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.grid {
  display: grid;
  gap: var(--space-md);
}

.flex {
  display: flex;
  gap: var(--space-sm);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Glass Morphism Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 
    var(--shadow-glass),
    0 0 0 1px rgba(197, 165, 114, 0.1),
    inset 0 1px 0 var(--glass-highlight);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent,
    rgba(197, 165, 114, 0.8) 20%,
    rgba(197, 165, 114, 1) 50%,
    rgba(197, 165, 114, 0.8) 80%,
    transparent
  );
  animation: topGlow 3s ease-in-out infinite alternate;
}

@keyframes topGlow {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 48px 96px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(197, 165, 114, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Boutons modernes */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-gold-dark) 100%);
  color: var(--surface-primary);
  border: 1px solid rgba(197, 165, 114, 0.3);
  box-shadow: 
    0 8px 32px rgba(197, 165, 114, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 
    0 16px 48px rgba(197, 165, 114, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  background: linear-gradient(135deg, var(--primary-gold-bright) 0%, var(--primary-gold) 100%);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(197, 165, 114, 0.5);
  transform: translateY(-2px);
}

/* Champs de formulaire modernes */
.form-field {
  position: relative;
  margin-bottom: var(--space-lg);
}

.form-input {
  width: 100%;
  padding: 18px 16px 12px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-gold);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(197, 165, 114, 0.1);
}

.form-label {
  position: absolute;
  top: 16px;
  left: 16px;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
  top: 8px;
  font-size: 0.75rem;
  color: var(--primary-gold);
}

/* Navigation moderne */
.navbar {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-item {
  position: relative;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.nav-item:hover,
.nav-item.active {
  color: var(--primary-gold);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-gold);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

.nav-item:hover::after,
.nav-item.active::after {
  width: 80%;
}

/* Cards flottantes */
.floating-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-floating);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.floating-card::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(197, 165, 114, 0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  animation: innerGlow 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes innerGlow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.5; }
}

.floating-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.4);
}

/* Typographie moderne */
.heading-1 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.heading-2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

.body-text {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Indicateurs de statut */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-success {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.status-warning {
  background: rgba(251, 191, 36, 0.1);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.2);
}

.status-error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Animations avancées */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animate-slide-up {
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.animate-fade-scale {
  animation: fadeInScale 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* Responsive design */
@media (max-width: 768px) {
  :root {
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 2.5rem;
  }
  
  .glass-card,
  .floating-card {
    padding: var(--space-lg);
    border-radius: var(--radius-md);
  }
  
  .btn {
    width: 100%;
    padding: 16px 24px;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
}

/* Mode sombre optimisé */
@media (prefers-color-scheme: dark) {
  :root {
    --surface-primary: #000000;
    --surface-secondary: rgba(10, 10, 15, 0.9);
    --glass-bg: rgba(15, 15, 25, 0.95);
  }
}

/* Animations réduites pour accessibilité */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}