/* ============================================
   E-KOULIBA — style.css
   Variables CSS + Reset + Utilitaires
   ============================================ */

/* === VARIABLES LIGHT MODE === */
:root {
  --color-bg-primary:     #FAFAF7;
  --color-bg-secondary:   #FFFFFF;
  --color-or:             #D4A843;
  --color-or-hover:       #B8922E;
  --color-or-clair:       #FBE580;
  --color-teal:           #1B4A47;
  --color-navbar:         #2C2C2C;
  --color-footer:         #1C1C1C;
  --color-text-primary:   #1C1C1C;
  --color-text-secondary: #5A5A5A;
  --color-separator:      #E8E4DD;

  --font-titre: 'Playfair Display', serif;
  --font-corps:  'Inter', sans-serif;
  --font-code:   'Fira Code', monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);

  --transition: 0.25s ease;
}

/* === VARIABLES DARK MODE === */
body.dark-mode {
  --color-bg-primary:     #1C1A16;
  --color-bg-secondary:   #252218;
  --color-separator:      #3D3A2E;
  --color-navbar:         #111009;
  --color-footer:         #1C1A16;
  --color-text-primary:   #F0EDE6;
  --color-text-secondary: #9A9180;
  /* Or et Teal identiques */
}

/* === RESET === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-corps);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
  max-width: 100%;
}

img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

/* === UTILITAIRES === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-corps);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: background-color var(--transition), color var(--transition);
}

.btn-or {
  background-color: var(--color-or);
  color: #1C1C1C;
}
.btn-or:hover { background-color: var(--color-or-hover); }

.btn-teal {
  background-color: var(--color-teal);
  color: #FFFFFF;
}
.btn-teal:hover { opacity: 0.88; }

.btn-outline {
  background-color: transparent;
  border: 1.5px solid var(--color-or);
  color: var(--color-or);
}
.btn-outline:hover {
  background-color: var(--color-or);
  color: #1C1C1C;
}

.section-title {
  font-family: var(--font-titre);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.section-subtitle {
  font-family: var(--font-corps);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}

.separator {
  border: none;
  border-top: 1px solid var(--color-separator);
  margin: 40px 0;
}

/* === DESKTOP / MOBILE TOGGLE === */
.desktop-only { display: block; }
.mobile-only  { display: none;  }

main {
  padding-bottom: 0;
  margin-bottom: 0;
}

/* === MOBILE === */
@media (max-width: 768px) {
  .desktop-only { display: none;  }
  .mobile-only  { display: block; }

  .container { padding: 0 16px; }

  .section-title    { font-size: 1.5rem; }
  .section-subtitle { font-size: 0.875rem; }

  /* ---- Supprime l'espace blanc avant footer ----  */
  /* Le fond du body prend la couleur du footer      */
  /* pour qu'aucun blanc n'apparaisse entre main     */
  /* et le footer quand le contenu est court         */
  body {
    background-color: var(--color-footer);
  }

  /* Main garde son propre fond clair                */
  main {
    background-color: var(--color-bg-primary);
  }
}