/*--------------------------------------------------------------
# Socle : remise à niveau des éléments, grille et utilitaires
# Sous-ensemble de Bootstrap 5.3.3 (MIT, https://getbootstrap.com/) réduit aux
# éléments et classes réellement employés par les pages, valeurs résolues.
# Une classe de grille ou un utilitaire absent ici n'existe pas : l'ajouter avant usage.
--------------------------------------------------------------*/

/* Remise à niveau */
*,
*::before,
*::after {
  box-sizing: border-box;
}

@media (prefers-reduced-motion: no-preference) {
  :root {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  background-color: #fff;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  font-size: calc(1.375rem + 1.5vw);
}

h2 {
  font-size: calc(1.325rem + 0.9vw);
}

h3 {
  font-size: calc(1.3rem + 0.6vw);
}

h4 {
  font-size: calc(1.275rem + 0.3vw);
}

@media (min-width: 1200px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  h4 {
    font-size: 1.5rem;
  }
}

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

ul {
  padding-left: 2rem;
  margin-top: 0;
  margin-bottom: 1rem;
}

strong {
  font-weight: bolder;
}

img,
svg {
  vertical-align: middle;
}

label {
  display: inline-block;
}

button {
  border-radius: 0;
}

button:focus:not(:focus-visible) {
  outline: 0;
}

input,
button,
select {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button,
select {
  text-transform: none;
}

select {
  word-wrap: normal;
}

button,
[type=button],
[type=submit] {
  -webkit-appearance: button;
}

button:not(:disabled),
[type=button]:not(:disabled),
[type=submit]:not(:disabled) {
  cursor: pointer;
}

/* Grille : conteneur, rangée, colonnes md (768 px) et lg (992 px), gouttière verticale */
.container {
  --gouttiere-x: 1.5rem;
  width: 100%;
  padding-right: calc(var(--gouttiere-x) * 0.5);
  padding-left: calc(var(--gouttiere-x) * 0.5);
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
}

.row {
  --gouttiere-x: 1.5rem;
  --gouttiere-y: 0;
  display: flex;
  flex-wrap: wrap;
  margin-top: calc(-1 * var(--gouttiere-y));
  margin-right: calc(-0.5 * var(--gouttiere-x));
  margin-left: calc(-0.5 * var(--gouttiere-x));
}

.row > * {
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  padding-right: calc(var(--gouttiere-x) * 0.5);
  padding-left: calc(var(--gouttiere-x) * 0.5);
  margin-top: var(--gouttiere-y);
}

.gy-4 {
  --gouttiere-y: 1.5rem;
}

@media (min-width: 768px) {
  .col-md-6 {
    flex: 0 0 auto;
    width: 50%;
  }
}

@media (min-width: 992px) {
  .col-lg-3 {
    flex: 0 0 auto;
    width: 25%;
  }

  .col-lg-6 {
    flex: 0 0 auto;
    width: 50%;
  }
}

/* Composants */
.img-fluid {
  max-width: 100%;
  height: auto;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  appearance: none;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #dee2e6;
  border-radius: 0.375rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
  color: #212529;
  background-color: #fff;
  border-color: #86b7fe;
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-control::placeholder {
  color: rgba(33, 37, 41, 0.75);
  opacity: 1;
}

.form-control:disabled {
  background-color: #e9ecef;
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .form-control {
    transition: none;
  }
}

.navbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.nav-link {
  display: block;
  text-decoration: none;
  background: none;
  border: 0;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

@media (prefers-reduced-motion: reduce) {
  .nav-link {
    transition: none;
  }
}

.stretched-link::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  content: "";
}

/* Icônes SVG en ligne : taille et couleur du texte, alignées comme le glyphe d'une police d'icônes */
.bi {
  display: inline-block;
  width: 1em;
  height: 1em;
  fill: currentColor;
  vertical-align: -0.125em;
}

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

.d-flex {
  display: flex !important;
}

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

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

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

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

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

.my-3 {
  margin-top: 1rem !important;
  margin-bottom: 1rem !important;
}

.mt-3 {
  margin-top: 1rem !important;
}

.mt-auto {
  margin-top: auto !important;
}

.py-4 {
  padding-top: 1.5rem !important;
  padding-bottom: 1.5rem !important;
}

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

.text-muted {
  color: rgba(33, 37, 41, 0.75) !important;
}