/* ============================================================
   THEME.CSS — Essentielle
   Design system : variables, typographie, animations de base
   À charger APRÈS bootstrap.min.css et AVANT style.css
   ============================================================ */

/* ------------------------------------------------------------
   1. VARIABLES GLOBALES
   ------------------------------------------------------------ */
:root {
  /* --- Couleurs de marque --- */
  --ess-primary: #00d0fa;
  --ess-primary-dark: #00a7c7;
  --ess-primary-light: #e6fafe;

  --ess-secondary: #19409a;
  --ess-secondary-dark: #12306e;
  --ess-secondary-light: #e8edf7;

  --ess-pink: #ff69b4;
  --ess-pink-light: #ffa6f6;

  --ess-dark: #001442;
  --ess-dark-soft: #0a1f52;
  --ess-light: #f2f9f9;

  --ess-body-bg: #ffffff;
  --ess-body-color: #4a5568;
  --ess-heading-color: #001442;
  --ess-muted: #7a8b99;
  --ess-border: #e2e8f0;

  /* --- Typographie --- */
  --ess-font-body: "Open Sans", system-ui, -apple-system, sans-serif;
  --ess-font-heading: "Cormorant Garamond", "Playfair Display", Georgia, serif;

  /* --- Espacements --- */
  --ess-space-xs: 0.5rem;
  --ess-space-sm: 1rem;
  --ess-space-md: 1.5rem;
  --ess-space-lg: 2.5rem;
  --ess-space-xl: 4rem;
  --ess-space-2xl: 6rem;

  /* --- Rayons --- */
  --ess-radius-sm: 8px;
  --ess-radius-md: 14px;
  --ess-radius-lg: 20px;
  --ess-radius-pill: 999px;

  /* --- Ombres --- */
  --ess-shadow-sm: 0 2px 8px rgba(0, 20, 66, 0.06);
  --ess-shadow-md: 0 8px 24px rgba(0, 20, 66, 0.08);
  --ess-shadow-lg: 0 16px 40px rgba(0, 20, 66, 0.12);
  --ess-shadow-primary: 0 8px 24px rgba(0, 208, 250, 0.25);
  --ess-shadow-hover: 0 20px 50px rgba(0, 20, 66, 0.15);

  /* --- Transitions --- */
  --ess-transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --ess-transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --ess-transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* --- Container --- */
  --ess-container: 1200px;

  /* --- Surcharges Bootstrap (pour cohérence) --- */
  --bs-primary: var(--ess-primary);
  --bs-secondary: var(--ess-secondary);
  --bs-dark: var(--ess-dark);
  --bs-light: var(--ess-light);
}

/* ------------------------------------------------------------
   2. RESET & BASE
   ------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--ess-font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ess-body-color);
  background-color: var(--ess-body-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--ess-secondary);
}

/* ------------------------------------------------------------
   3. TYPOGRAPHIE
   ------------------------------------------------------------ */
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  font-family: var(--ess-font-heading);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ess-heading-color);
  margin-top: 0;
  margin-bottom: 0.75rem;
  letter-spacing: -0.015em;
}

h1,
.h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.75rem);
  font-weight: 700;
}
h2,
.h2 {
  font-size: clamp(1.75rem, 2.5vw + 1rem, 2.75rem);
}
h3,
.h3 {
  font-size: clamp(1.35rem, 1.5vw + 0.75rem, 1.75rem);
}
h4,
.h4 {
  font-size: clamp(1.15rem, 0.75vw + 0.75rem, 1.35rem);
}
h5,
.h5 {
  font-size: 1.1rem;
}
h6,
.h6 {
  font-size: 1rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

strong,
b {
  font-weight: 600;
  color: #ed318f;
}

/* ------------------------------------------------------------
   4. SECTIONS — Espacements cohérents
   ------------------------------------------------------------ */
.py-6 {
  padding-top: var(--ess-space-2xl);
  padding-bottom: var(--ess-space-2xl);
}
.py-7 {
  padding-top: calc(var(--ess-space-2xl) * 1.2);
  padding-bottom: calc(var(--ess-space-2xl) * 1.2);
}

.section-header {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  font-family: var(--ess-font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ess-primary-dark);
  background: var(--ess-primary-light);
  padding: 6px 16px;
  border-radius: var(--ess-radius-pill);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--ess-font-heading);
  font-size: clamp(1.75rem, 2.5vw + 1rem, 2.5rem);
  font-weight: 700;
  color: var(--ess-heading-color);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-text {
  font-size: 1.05rem;
  color: var(--ess-muted);
  line-height: 1.7;
}

/* ------------------------------------------------------------
   5. BOUTONS — Surcharges Bootstrap
   ------------------------------------------------------------ */
.btn {
  font-family: var(--ess-font-body);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.65rem 1.5rem;
  border-radius: var(--ess-radius-pill);
  transition: all var(--ess-transition-base);
  position: relative;
  overflow: hidden;
  border-width: 2px;
}

.btn-primary {
  background-color: var(--ess-primary);
  border-color: var(--ess-primary);
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--ess-secondary);
  border-color: var(--ess-secondary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--ess-shadow-primary);
}

.btn-secondary {
  background-color: var(--ess-secondary);
  border-color: var(--ess-secondary);
  color: #ffffff;
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--ess-dark);
  border-color: var(--ess-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 20, 66, 0.25);
}

.btn-outline-primary {
  color: var(--ess-primary-dark);
  border-color: var(--ess-primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--ess-primary);
  border-color: var(--ess-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-outline-light {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
  background: transparent;
}

.btn-outline-light:hover {
  background-color: #ffffff;
  border-color: #ffffff;
  color: var(--ess-dark);
  transform: translateY(-2px);
}

.btn-light {
  background-color: #ffffff;
  border-color: #ffffff;
  color: var(--ess-dark);
}

.btn-light:hover {
  background-color: var(--ess-primary);
  border-color: var(--ess-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
}

/* ------------------------------------------------------------
   6. ANIMATIONS AU SCROLL (remplace WOW.js)
   ------------------------------------------------------------ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

[data-animate="fade-up"] {
  transform: translateY(40px);
}
[data-animate="fade-down"] {
  transform: translateY(-40px);
}
[data-animate="fade-right"] {
  transform: translateX(-50px);
}
[data-animate="fade-left"] {
  transform: translateX(50px);
}
[data-animate="zoom-in"] {
  transform: scale(0.9);
}

[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

/* Délais */
[data-delay="100"] {
  transition-delay: 0.1s;
}
[data-delay="200"] {
  transition-delay: 0.2s;
}
[data-delay="300"] {
  transition-delay: 0.3s;
}
[data-delay="400"] {
  transition-delay: 0.4s;
}
[data-delay="500"] {
  transition-delay: 0.5s;
}
[data-delay="600"] {
  transition-delay: 0.6s;
}

/* Accessibilité : réduire les animations si demandé */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
  }
}

/* ------------------------------------------------------------
   7. UTILITAIRES
   ------------------------------------------------------------ */
.text-primary {
  color: var(--ess-primary-dark) !important;
}
.text-secondary {
  color: var(--ess-secondary) !important;
}
.bg-light {
  background-color: var(--ess-light) !important;
}
.bg-dark {
  background-color: var(--ess-dark) !important;
}

.shadow-sm-ess {
  box-shadow: var(--ess-shadow-sm) !important;
}
.shadow-md-ess {
  box-shadow: var(--ess-shadow-md) !important;
}
.shadow-lg-ess {
  box-shadow: var(--ess-shadow-lg) !important;
}

/* ------------------------------------------------------------
   8. SCROLLBAR PERSONNALISÉE
   ------------------------------------------------------------ */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--ess-light);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--ess-primary), var(--ess-secondary));
  border-radius: var(--ess-radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--ess-secondary);
}

/* ------------------------------------------------------------
   9. SÉLECTION DE TEXTE
   ------------------------------------------------------------ */
::selection {
  background: var(--ess-primary);
  color: #ffffff;
}