/* ================================
   Base CSS commun (variables, reset)
   Projet: TRSCAN
   Chargement recommandé avant public.css / pro.css
   ================================ */

:root {
  /* Palette commune */
  --primary: #1A4D6D;
  --primary-light: #2B7A9D;
  --accent: #D4AF37;
  --accent-light: #E8C46C;

  --white: #FFFFFF;
  --light-bg: #FAFBFC;
  --lighter-bg: #F4F6F8;

  --text: #1F2937;
  --text-light: #4B5563;
  --border: #E5E7EB;

  /* Variables optionnelles utilisées côté pro */
  --accent-gold: #FFD700;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
}

/* Reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
}

h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  color: var(--primary);
}

a { color: inherit; }

/* Layout utilitaires */
.container {
  max-width: 1400px;
  margin: 0 auto;
}

section {
  padding: 6rem 2rem;
}

@media (max-width: 768px) {
  section {
    padding: 3rem 1.5rem;
  }
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

.section-light { background: var(--white); }
.section-dark { background: var(--light-bg); }

/* Boutons génériques */
.btn-primary {
  background: var(--primary);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-block;
  letter-spacing: 0.3px;
  border: 0;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26, 77, 109, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 1rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-block;
  letter-spacing: 0.3px;
  cursor: pointer;
}

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

.cta-button {
  background: var(--primary);
  color: var(--white);
  padding: 0.85rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s;
  letter-spacing: 0.5px;
  display: inline-block;
}

.cta-button:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26, 77, 109, 0.25);
}

/* Classes utilitaires génériques */
.hidden { display: none !important; }
.text-muted { color: var(--text-light); }
.hr { height: 1px; background: var(--border); border: 0; }

/* Responsive basique */
@media (max-width: 1024px) {
  section { padding: 5rem 1.5rem; }
}

@media (max-width: 768px) {
  section { padding: 4rem 1.25rem; }
}