/* Règles générales */
body {
  margin: 0;
}

/* Lien d'évitement clavier (a11y). Caché hors focus, visible quand reçu. */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--default-primary-color);
  color: var(--primary-inv-text-color);
  text-decoration: none;
  font-weight: 600;
  transform: translateY(-100%);
  transition: transform 0.15s;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--primary-inv-text-color);
  outline-offset: -4px;
}

main:focus {
  outline: none;
}

#main {
  scroll-margin-top: 64px;
}

.centered-content {
  margin: 0 auto;
  max-width: 1280px;
  width: 90%;
}

@media (max-width: 900px) {
  .centered-content {
    width: 85%;
  }
}

@media (max-width: 600px) {
  .centered-content {
    width: 90%;
  }
}

/* Header */
.site-header {
  height: 64px;
  position: fixed;
  top: 0;
  width: 100dvw;
}

@media (max-width: 600px) {
  .site-header .site-logo {
    display: none;
  }
}

.site-header .site-logo > img {
  display: none;
}

body.scrolled .site-header .site-logo > img {
  display: inline;
}

/* Équivalent CSS pur (cf. la section scroll-state dans style.css). */
@container page scroll-state(scrollable: top) {
  .site-header .site-logo > img {
    display: inline;
  }
}

.site-header > .centered-content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

@media (max-width: 900px) {
  .site-header > .centered-content {
    width: calc(100% - 3rem);
  }
}

@media (max-width: 600px) {
  .site-header > .centered-content {
    width: calc(100% - 1rem);
  }
}

.site-header .menu {
  display: flex;
  height: 100%;
  gap: 0.5rem;
}

@media (max-width: 600px) {
  .site-header .menu {
    justify-content: space-between;
    width: 100%;
    gap: 0.1rem;
  }
}

/* Footer */
.site-copyright > .centered-content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  padding: 10px 0;
}

@media (max-width: 600px) {
  .site-copyright > .centered-content {
    flex-direction: column;
    text-align: center;
  }
}

.site-links {
  padding-bottom: 1rem;
}

.site-links > .centered-content {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 600px) {
  .site-links > .centered-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
}

.site-links-group {
  display: flex;
  flex-direction: column;
  line-height: 1.8em;
}

.site-links-group-title {
  font-size: 1.6rem;
  margin: 1em 0 0.5em;
  font-weight: 400;
}

/* Layout des pages (hors accueil) */
.page-header {
  padding-top: 64px;
  min-height: 270px;
  width: 100%;
  padding-bottom: 1px;
}

.page-content {
  margin-top: 2rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 1rem;
}

@media (max-width: 900px) {
  .page-content {
    display: flex;
    flex-direction: column;
  }
}

.page-content .full-width {
  grid-column: 1 / span 2;
}

.page-content .aside {
  grid-column: 2;
}

.page-content .main-content {
  grid-column: 1;
}