/* ============================================================
   AI Boost Solution — Charte graphique (extraite du site d'origine)
   Primaire : bleu azur hsl(199 100% 57%)  ·  Marine : hsl(213 …)
   Titres : Poppins  ·  Texte : Inter
   ============================================================ */

:root {
  /* Couleurs (HSL, identiques à la source Lovable) */
  --primary: 199 100% 57%;
  --primary-foreground: 0 0% 100%;
  --primary-dark: 199 100% 45%;
  --secondary: 213 72% 15%;
  --secondary-foreground: 0 0% 100%;
  --background: 210 20% 98%;
  --foreground: 213 39% 9%;
  --card: 0 0% 100%;
  --card-foreground: 213 39% 9%;
  --muted: 210 20% 97%;
  --muted-foreground: 215 17% 47%;
  --accent: 199 100% 95%;
  --accent-foreground: 213 72% 9%;
  --border: 214 32% 91%;
  --ring: 199 100% 57%;

  --gradient-primary: linear-gradient(135deg, hsl(199 100% 57%) 0%, hsl(199 100% 45%) 100%);
  --gradient-hero: linear-gradient(160deg, hsl(213 72% 9%) 0%, hsl(213 72% 15%) 55%, hsl(199 100% 20%) 100%);

  --font-heading: "Poppins", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;

  --radius: 0.75rem;
  --shadow-sm: 0 1px 2px hsl(213 39% 9% / 0.05);
  --shadow: 0 4px 20px hsl(213 39% 9% / 0.08);
  --shadow-lg: 0 12px 40px hsl(213 39% 9% / 0.12);
  --container: 1140px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: hsl(var(--foreground));
  background: hsl(var(--background));
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 { font-family: var(--font-heading); font-weight: 700; line-height: 1.15; color: hsl(var(--secondary)); }

a { color: inherit; text-decoration: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }

.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .8rem 1.5rem; border-radius: var(--radius);
  font-family: var(--font-heading); font-weight: 600; font-size: .95rem;
  cursor: pointer; border: 2px solid transparent; transition: all .2s ease;
}
.btn-primary { background: var(--gradient-primary); color: hsl(var(--primary-foreground)); box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { border-color: hsl(var(--primary)); color: hsl(var(--primary)); background: transparent; }
.btn-outline:hover { background: hsl(var(--primary)); color: #fff; }
.btn-ghost { color: hsl(var(--secondary)); }

/* Cartes */
.card {
  background: hsl(var(--card)); border: 1px solid hsl(var(--border));
  border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.badge {
  display: inline-block; padding: .3rem .8rem; border-radius: 999px;
  background: hsl(var(--accent)); color: hsl(var(--accent-foreground));
  font-size: .8rem; font-weight: 600;
}

.text-primary { color: hsl(var(--primary)); }
.text-muted { color: hsl(var(--muted-foreground)); }
.text-center { text-align: center; }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 0; }
}