/* ==========================================================================
   SIZEG AFRICA — Base & Executive Suite Design Tokens
   Architecture CSS modulaire · Bureau de Direction Haut de Gamme
   ========================================================================== */

:root {
  /* --- Couleurs de fond neutres & lumineuses --- */
  --bg: #fafafa;
  --bg-white: #ffffff;
  --bg-subtle: #f8fafc;
  
  /* --- Typographie & Textes directionnels --- */
  --text: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  
  /* --- Bordures ciselées & Relief --- */
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --border-subtle: rgba(226, 232, 240, 0.8);
  --border-focus: #cbd5e1;
  
  /* --- Pôle 1 : Identité Globale & Télécoms (Orange Dynamique) --- */
  --orange: #ff6b00;
  --orange-light: #fff7ed;
  --orange-dark: #ea580c;
  
  /* --- Pôle 2 : SIZ Immobilier (Bleu Profond) --- */
  --blue: #2563eb;
  --blue-light: #eff6ff;
  --blue-dark: #1d4ed8;
  
  /* --- Pôle 3 : Badenya & Fintech (Vert de Validation) --- */
  --green: #22c55e;
  --green-light: #f0fdf4;
  --green-dark: #16a34a;
  
  /* --- Rayons de courbure ergonomiques --- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  
  /* --- Ombres stratifiées (Executive Layered Depth) --- */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.06), 0 4px 10px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 45px -8px rgba(15, 23, 42, 0.09), 0 8px 18px -6px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 30px 60px -12px rgba(15, 23, 42, 0.14), 0 12px 24px -8px rgba(15, 23, 42, 0.08);
  --shadow-executive: 0 24px 50px -10px rgba(15, 23, 42, 0.12), 0 10px 20px -6px rgba(15, 23, 42, 0.06);
  
  /* --- Finitions Verrières (Glassmorphism) --- */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.9);
  
  /* --- Espacements & Transitions --- */
  --transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --section-pad: clamp(36px, 4.5vw, 64px);
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  font-size: 1rem;
}

img { 
  max-width: 100%; 
  height: auto; 
  display: block; 
}

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

ul { 
  list-style: none; 
}

/* ---- Conteneurs et Marges d'Espace Executive ---- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 36px);
}

.section {
  padding: var(--section-pad) 0;
  position: relative;
}

/* ---- Typographie Directionnelle ---- */
h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
}

/* Text Gradients sectoriels raffinés */
.text-gradient {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-blue {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-green {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Section Headers Executive ---- */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(24px, 3.5vw, 40px);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange);
  background: var(--orange-light);
  border: 1px solid rgba(255, 107, 0, 0.22);
  border-radius: 99px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-xs);
}

.tag-blue {
  color: var(--blue);
  background: var(--blue-light);
  border-color: rgba(37, 99, 235, 0.22);
}

.tag-green {
  color: var(--green);
  background: var(--green-light);
  border-color: rgba(34, 197, 94, 0.22);
}

.section-header h2 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.section-desc {
  font-size: clamp(1.08rem, 1.5vw, 1.2rem);
  color: var(--text-muted);
  line-height: 1.75;
}

/* ---- Boutons Executive Suite ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 60px;
  font-size: 0.98rem;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn svg {
  transition: transform var(--transition);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--text);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.16);
}

.btn-primary:hover {
  background: var(--orange);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 107, 0, 0.32);
}

.btn-ghost {
  background: var(--bg-white);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.btn-ghost:hover {
  background: var(--bg-subtle);
  border-color: var(--text);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-blue {
  background: var(--blue);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.22);
}

.btn-blue:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.35);
}

.btn-green {
  background: var(--green);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(34, 197, 94, 0.22);
}

.btn-green:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(34, 197, 94, 0.35);
}

.btn-full {
  width: 100%;
}

/* --- Utilitaires visuels de relief & badge --- */
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.25);
}