/**
 * CRITICAL CSS - CHATTEURS
 * Contient uniquement le CSS nécessaire pour le rendu "above-the-fold"
 * Taille optimisée : ~5-8KB vs 203KB du CSS complet
 * Version: 1.0.0
 */

/* === RESET ET BASE === */
*,*::before,*::after {
  box-sizing: border-box;
}

html {
  font-family: sans-serif;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
  margin: 0;
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  text-align: left;
  background-color: #fff;
}

/* === TYPOGRAPHY CRITIQUE === */
h1, h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: inherit;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

/* === NAVIGATION CRITIQUE === */
.navbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
}

.navbar-expand-lg {
  flex-flow: row nowrap;
  justify-content: flex-start;
}

.navbar-light {
  background-color: transparent;
}

#mainNav {
  padding-top: 1rem;
  padding-bottom: 1rem;
  background-color: #212529;
}

.fixed-top {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1030;
}

.navbar-nav {
  display: flex;
  flex-direction: row;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.nav-item {
  margin-right: 1rem;
}

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  color: rgba(0, 0, 0, 0.5);
  text-decoration: none;
  background-color: transparent;
  border: 0;
}

.nav-link:hover {
  color: rgba(0, 0, 0, 0.7);
  text-decoration: none;
}

.navbar-toggler {
  padding: 0.25rem 0.75rem;
  font-size: 1.25rem;
  line-height: 1;
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: 0.25rem;
}

/* === LAYOUT CRITIQUE === */
.container, .container-fluid {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col, .col-12, .col-lg-6, .col-lg-10 {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

.col-12 {
  flex: 0 0 100%;
  max-width: 100%;
}

/* === MASTHEAD CRITIQUE === */
.masthead {
  position: relative;
  padding-top: 10.5rem;
  padding-bottom: 6rem;
  text-align: center;
  color: white;
  background-attachment: scroll;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
}

.bg-dark {
  background-color: #343a40 !important;
}

/* === UTILITIES CRITIQUES === */
.mt-n5 {
  margin-top: -3rem !important;
}

.mt-2 {
  margin-top: 0.5rem !important;
}

.mt-5 {
  margin-top: 3rem !important;
}

.mb-5 {
  margin-bottom: 3rem !important;
}

.pb-5 {
  padding-bottom: 3rem !important;
}

.ps-5 {
  padding-left: 3rem !important;
}

.pe-5 {
  padding-right: 3rem !important;
}

.text-center {
  text-align: center !important;
}

.text-start {
  text-align: left !important;
}

.text-uppercase {
  text-transform: uppercase !important;
}

.justify-content-center {
  justify-content: center !important;
}

.justify-content-between {
  justify-content: space-between !important;
}

.align-text-top {
  vertical-align: top !important;
}

.d-inline-block {
  display: inline-block !important;
}

.d-none {
  display: none !important;
}

.ml-auto {
  margin-left: auto !important;
}

.w-100 {
  width: 100% !important;
}

.border-0 {
  border: 0 !important;
}

.rounded {
  border-radius: 0.25rem !important;
}

/* === RESPONSIVE CRITIQUE === */
@media (min-width: 992px) {
  .col-lg-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
  
  .col-lg-10 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }
  
  .d-xl-inline {
    display: inline !important;
  }
}

@media (min-width: 1200px) {
  .d-xl-inline {
    display: inline !important;
  }
}

/* === IMAGES CRITIQUES === */
img {
  vertical-align: middle;
  border-style: none;
  max-width: 100%;
  height: auto;
}

.logoNav {
  height: 40px;
  width: auto;
}

/* === LIENS === */
a {
  color: #5850ff;
  text-decoration: none;
  background-color: transparent;
}

a:hover {
  color: #3928ff;
  text-decoration: underline;
}

/* === BOUTONS CRITIQUES === */
button {
  border-radius: 0;
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  overflow: visible;
  text-transform: none;
}

.btn {
  display: inline-block;
  font-weight: 400;
  color: #212529;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0.25rem;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/* === PERFORMANCE OPTIMIZATIONS === */
.js-scroll-trigger {
  will-change: transform;
}

/* === COLLAPSE POUR MOBILE === */
.collapse {
  display: none;
}

.collapse.show {
  display: block;
}

@media (min-width: 992px) {
  .navbar-expand-lg .collapse {
    display: flex !important;
    flex-basis: auto;
  }
}