/* ==========================================
   CLEAN CORPORATE FRENCH WEBSITE STYLES
   Professional, Minimal, Elegant
   ========================================== */

:root {
  /* Core Color Palette */
  --color-primary: #2C5282;
  --color-secondary: #38A169;
  --color-background: #F7FAFC;
  --color-footer-bg: #1A365D;
  --color-button: #2C5282;
  --color-white: #FFFFFF;
  --color-light-gray: #F7FAFC;
  --color-section-light: #EDF2F7;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-heading: 'Merriweather', Georgia, serif;
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: #2D3748;
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 var(--space-md) 0;
  color: var(--color-primary);
  letter-spacing: -0.025em;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-md) 0;
  color: #4A5568;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ==========================================
   LAYOUT COMPONENTS
   ========================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-light {
  background-color: var(--color-section-light);
}

.section-white {
  background-color: var(--color-white);
}

/* ==========================================
   HEADER STYLES
   ========================================== */

.header {
  background-color: var(--color-white);
  border-bottom: 1px solid #E2E8F0;
  padding: var(--space-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.header-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-lg);
}

.header-nav a {
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.header-nav a:hover {
  background-color: var(--color-section-light);
  text-decoration: none;
}

/* ==========================================
   BUTTON COMPONENTS
   ========================================== */

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  user-select: none;
}

.btn-primary {
  background-color: var(--color-button);
  color: var(--color-white);
  border-color: var(--color-button);
}

.btn-primary:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: #CBD5E0;
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  text-decoration: none;
}

/* ==========================================
   CARD COMPONENTS
   ========================================== */

.card {
  background-color: var(--color-white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid #E2E8F0;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

.card-subtitle {
  color: #718096;
  font-size: 0.875rem;
  margin: 0;
}

.card-content {
  color: #4A5568;
  line-height: 1.6;
}

.card-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid #E2E8F0;
}

/* ==========================================
   FORM COMPONENTS
   ========================================== */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

.form-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid #CBD5E0;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%234a5568' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  background-size: 16px 16px;
  padding-right: calc(var(--space-md) * 2.5);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* ==========================================
   NAVIGATION COMPONENTS
   ========================================== */

.nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-horizontal {
  display: flex;
  gap: var(--space-md);
}

.nav-vertical {
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-link {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
  font-weight: 500;
}

.nav-link:hover {
  background-color: var(--color-section-light);
  text-decoration: none;
}

.nav-link.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-section-light) 100%);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #718096;
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: #718096; }
.text-white { color: var(--color-white); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-light { background-color: var(--color-section-light); }
.bg-white { background-color: var(--color-white); }

.border { border: 1px solid #E2E8F0; }
.border-primary { border-color: var(--color-primary); }
.border-secondary { border-color: var(--color-secondary); }

.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ==========================================
   FOOTER STYLES
   ========================================== */

.footer {
  background-color: var(--color-footer-bg);
  color: var(--color-white);
  padding: var(--space-3xl) 0 var(--space-xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
}

.footer-section p,
.footer-section a {
  color: #A0AEC0;
  line-height: 1.6;
}

.footer-section a:hover {
  color: var(--color-white);
}

.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav li {
  margin-bottom: var(--space-xs);
}

.footer-bottom {
  border-top: 1px solid #2D3748;
  padding-top: var(--space-lg);
  text-align: center;
  color: #A0AEC0;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .header-inner {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .header-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }
  
  .card {
    padding: var(--space-md);
  }
  
  .nav-horizontal {
    flex-direction: column;
    align-items: center;
  }
}

/* ==========================================
   ACCESSIBILITY & INTERACTIONS
   ========================================== */

*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print styles */
@media print {
  .header,
  .footer,
  .btn {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .hero,
  .section {
    padding: 1rem 0;
  }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}