/* ============================================================================
   DESIGN SYSTEM AIME — Option D : « Minimal Premium » (famille bleue)
   ----------------------------------------------------------------------------
   Moderne, propre, élégant. Beaucoup de blanc, une signature bleue forte,
   coins arrondis doux, ombres subtiles, micro-interactions. Variables --clr-*
   conservées => tout le site hérite automatiquement de la charte.
   ========================================================================== */

:root {
  /* ---- Marque (bleus) --------------------------------------------------- */
  --clr-primary:        #1D4ED8;   /* Bleu roi — signature, CTA, liens         */
  --clr-primary-dark:   #1E40AF;
  --clr-primary-light:  #EAF1FE;   /* Bleu très clair — fonds doux / badges    */
  --clr-navy:           #0A2A4D;   /* Navy profond — titres / sections sombres */
  --clr-accent:         #00B4D8;   /* Cyan — accent ponctuel, surlignages      */
  --clr-accent-dark:    #0093B0;
  --clr-secondary:      #00B4D8;   /* Alias cyan                               */
  --clr-secondary-dark: #0093B0;

  /* ---- Fonds & surfaces ------------------------------------------------- */
  --clr-bg:           #FFFFFF;
  --clr-surface:      #FFFFFF;
  --clr-surface-alt:  #F4F7FC;     /* Gris-bleu très clair (sections)          */
  --clr-inverse:      #0A2A4D;     /* Sections inversées / footer              */

  /* ---- Texte & bordures ------------------------------------------------- */
  --clr-text-main:   #0B1B33;      /* Navy lisible                             */
  --clr-text-body:   #354A63;
  --clr-text-muted:  #6B7B90;
  --clr-border:      #E6ECF4;

  /* ---- Dégradés signature ---------------------------------------------- */
  --gradient-primary: linear-gradient(135deg, #1D4ED8 0%, #2E6BFF 55%, #00B4D8 130%);
  --gradient-navy:    linear-gradient(160deg, #0A2A4D 0%, #103D73 100%);

  /* ---- Typographie ------------------------------------------------------ */
  --font-display: 'General Sans', system-ui, -apple-system, sans-serif;
  --font-main:    'Manrope', system-ui, sans-serif;

  /* ---- Rayons (doux, premium) ------------------------------------------ */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-pill: 999px;

  /* ---- Ombres (subtiles, teintées navy) -------------------------------- */
  --shadow-sm: 0 1px 2px rgba(11,27,51,0.06), 0 1px 3px rgba(11,27,51,0.05);
  --shadow-md: 0 12px 28px -14px rgba(11,27,51,0.20), 0 4px 10px -6px rgba(11,27,51,0.08);
  --shadow-lg: 0 32px 64px -24px rgba(11,27,51,0.28);
  --shadow-blue: 0 16px 32px -12px rgba(29,78,216,0.45);

  /* ---- Espacements ----------------------------------------------------- */
  --space-2: 0.5rem;  --space-3: 0.75rem; --space-4: 1rem;
  --space-6: 1.5rem;  --space-8: 2rem;    --space-12: 3rem;
  --space-16: 4.5rem; --space-24: 7rem;

  /* ---- Transitions ----------------------------------------------------- */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ---- Surcharge Bootstrap --------------------------------------------- */
  --bs-primary: #1D4ED8;
  --bs-primary-rgb: 29, 78, 216;
  --bs-link-color: #1D4ED8;
  --bs-link-hover-color: #1E40AF;
  --bs-body-color: #354A63;
  --bs-body-bg: #FFFFFF;
  --bs-body-font-family: 'Manrope', system-ui, sans-serif;
  --bs-border-color: #E6ECF4;

  /* ---- Alias hérités (anciens templates) -> mappés sur la charte bleue ---- */
  --primary-color:   #1D4ED8;
  --secondary-color: #00B4D8;
  --accent-color:    #00B4D8;
  --dark-color:      #0A2A4D;
  --light-color:     #F4F7FC;
  --success-color:   #0E9C84;
  --info-color:      #00B4D8;
  --warning-color:   #E0A22E;
  --danger-color:    #E0573E;
  --text-color:      #0B1B33;
}

/* ============================ BASE / RESET ================================ */
body {
  font-family: var(--font-main);
  color: var(--clr-text-body);
  background-color: var(--clr-bg);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

main { flex: 1 0 auto; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--clr-text-main);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.022em;
  margin-bottom: var(--space-4);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 700; }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); font-weight: 600; }

@media (max-width: 768px) {
  h1 { font-size: clamp(2.1rem, 9vw, 2.8rem); }
  body { font-size: 0.97rem; }
}

a { color: var(--clr-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--clr-primary-dark); }

::selection { background: var(--clr-primary); color: #fff; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--clr-surface-alt); }
::-webkit-scrollbar-thumb { background: #c3d0e2; border-radius: 999px; border: 3px solid var(--clr-surface-alt); }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary); }

html { scroll-behavior: smooth; overflow-x: hidden; }

/* ===================== HELPERS DE COULEUR ============================== */
.text-accent  { color: var(--clr-accent-dark) !important; }
.text-navy    { color: var(--clr-navy) !important; }
.text-blue    { color: var(--clr-primary) !important; }
.bg-soft      { background: var(--clr-surface-alt) !important; }
.bg-navy      { background: var(--clr-navy) !important; color: #fff !important; }
.bg-gradient-primary { background: var(--gradient-primary) !important; color: #fff !important; }
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* Étiquette / overline élégante */
.eyebrow, .section-eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-main);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--clr-primary);
  background: var(--clr-primary-light);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
}

/* =========================== ANIMATIONS ================================== */
body { animation: pageFadeIn 0.5s var(--transition-smooth) both; }
@keyframes pageFadeIn { from { opacity: 0; } to { opacity: 1; } }

.reveal-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.7s var(--transition-smooth), transform 0.7s var(--transition-smooth); }
.reveal-on-scroll.is-revealed { opacity: 1; transform: translateY(0); }

.animate-on-load { animation: fadeInUp 0.6s var(--transition-smooth) forwards; opacity: 0; }
.delay-100 { animation-delay: 0.1s; } .delay-200 { animation-delay: 0.2s; } .delay-300 { animation-delay: 0.3s; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(0,180,216,0.5); }
  70%  { box-shadow: 0 0 0 12px rgba(0,180,216,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,180,216,0); }
}