/**
 * DigiSchool Africa V2.3 — CSS Global Lisibilité PARFAITE
 * Objectif: Texte TOUJOURS lisible + Blanc premium préservé
 */

/* ============================================
   RESET LISIBILITÉ CRITIQUE
   ============================================ */
:root {
  /* Textes TOUJOURS lisibles */
  --text-primary: #0B1B3A;
  --text-secondary: #223046;
  --text-body: #334155;
  --text-muted: #546E7A;
  --text-light: #78909C;
  
  /* Couleurs flashy DigiSchool */
  --color-green: #26A69A;
  --color-blue: #1E88E5;
  --color-purple: #7C4DFF;
  --color-green-light: #66BB6A;
  
  /* Backgrounds premium blancs */
  --bg-white: #FFFFFF;
  --bg-soft: #FAFAFA;
  --bg-light: #F5F7FA;
  --bg-gray: #ECEFF1;
  
  /* Gradients */
  --gradient-flashy: linear-gradient(135deg, #1E88E5, #7C4DFF, #26A69A);
  --gradient-subtle: linear-gradient(135deg, rgba(30,136,229,0.06) 0%, rgba(38,166,154,0.06) 100%);
}

/* ============================================
   TYPOGRAPHIE SAFE
   ============================================ */
body {
  color: var(--text-body);
  background-color: var(--bg-white);
  font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-body);
  margin-bottom: 1rem;
}

a {
  color: var(--color-green);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-blue);
}

/* ============================================
   CLASSES SAFE (TOUJOURS LISIBLES)
   ============================================ */
.title,
.section-title,
.card-title,
.hero-title {
  color: var(--text-primary) !important;
}

.subtitle,
.section-subtitle,
.card-subtitle {
  color: var(--text-secondary) !important;
}

.description,
.card-desc,
.text-body {
  color: var(--text-body) !important;
}

.muted,
.text-muted {
  color: var(--text-muted) !important;
}

.label,
.badge-text {
  color: var(--text-body) !important;
}

/* ============================================
   SECTIONS SAFE
   ============================================ */
.section-white {
  background: var(--bg-white);
}

.section-soft {
  background: var(--bg-soft);
}

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

.section-gradient {
  background: var(--gradient-subtle);
}

/* RÈGLE: Sur fonds clairs → textes foncés */
.section-white *:not(.btn):not(.badge),
.section-soft *:not(.btn):not(.badge),
.section-light *:not(.btn):not(.badge),
.section-gradient *:not(.btn):not(.badge) {
  color: inherit;
}

/* ============================================
   CARDS SAFE
   ============================================ */
.card,
.card-premium,
.feature-card,
.parcours-card,
.catalogue-card {
  background: var(--bg-white);
  border: 1px solid #ECEFF1;
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
}

.card:hover,
.card-premium:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  border-color: var(--color-green);
}

/* ============================================
   BOUTONS SAFE
   ============================================ */
.btn,
.btn-premium {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary,
.btn.primary {
  background: var(--gradient-flashy);
  color: white !important;
  box-shadow: 0 4px 16px rgba(30, 136, 229, 0.25);
}

.btn-primary:hover,
.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(30, 136, 229, 0.35);
  color: white !important;
}

.btn-secondary,
.btn.secondary {
  background: var(--bg-white);
  color: var(--color-green) !important;
  border: 2px solid var(--color-green);
}

.btn-secondary:hover,
.btn.secondary:hover {
  background: var(--color-green);
  color: white !important;
}

/* ============================================
   HERO SAFE
   ============================================ */
.hero,
.hero-premium {
  background: linear-gradient(135deg, #F8FFFE 0%, #FFFFFF 50%, #FFF8F5 100%);
  padding: 100px 32px 80px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1,
.hero-title {
  color: var(--text-primary) !important;
}

.hero p,
.hero-subtitle {
  color: var(--text-secondary) !important;
}

/* ============================================
   GRIDS SAFE
   ============================================ */
.grid,
.grid-premium {
  display: grid;
  gap: 32px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ============================================
   PADDING COMPENSATION HEADER
   ============================================ */
body {
  padding-top: 86px; /* Compensation header sticky */
}

@media (max-width: 960px) {
  body {
    padding-top: 76px;
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .hero,
  .hero-premium {
    padding: 80px 24px 60px;
  }
}

/* ============================================
   ACCESSIBILITÉ
   ============================================ */
*:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 2px;
}

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

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-sm { margin-bottom: 16px; }
.mb-md { margin-bottom: 24px; }
.mb-lg { margin-bottom: 48px; }

.mt-sm { margin-top: 16px; }
.mt-md { margin-top: 24px; }
.mt-lg { margin-top: 48px; }

.gradient-text {
  background: var(--gradient-flashy);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}