:root {
  --plum: #3d1f33;
  --ivory: #f7f3ee;
  --gold: #b08d57;
  --ink: #241820;
  --line: #e4d9cc;
  --gouttiere: max(1rem, calc((100% - 72rem) / 2));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: "Nunito Sans", sans-serif;
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
}

body.avec-bandeau {
  padding-bottom: 12rem;
}

img {
  max-width: 100%;
}

h1, h2, h3, .marque, .indice, .sommaire span, .piege strong {
  font-family: "Cormorant Garamond", serif;
}

h1, h2, h3 {
  font-weight: 600;
  color: var(--plum);
  line-height: 1.08;
}

p {
  margin: 0 0 0.85rem;
}

a {
  color: var(--plum);
}

::selection {
  background: var(--gold);
  color: var(--plum);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--plum);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 50;
  background: var(--gold);
  color: var(--plum);
  font-weight: 700;
  padding: 0.55rem 0.9rem;
  text-decoration: none;
}

.skip:focus,
.skip:focus-visible {
  top: 0.6rem;
}

.barre {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem var(--gouttiere);
  background: var(--ivory);
  border-bottom: 0.55rem solid var(--plum);
}

.marque {
  color: var(--plum);
  font-weight: 600;
  font-size: 2.15rem;
  line-height: 1;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.burger {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 2px solid var(--plum);
  background: var(--ivory);
  color: var(--plum);
  align-items: center;
  justify-content: center;
}

.burger-traits,
.burger-traits::before,
.burger-traits::after {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--plum);
  position: relative;
}

.burger-traits::before,
.burger-traits::after {
  content: "";
  position: absolute;
  left: 0;
}

.burger-traits::before {
  top: -6px;
}

.burger-traits::after {
  top: 6px;
}

.navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.35rem;
}

.navigation a {
  color: var(--plum);
  font-weight: 700;
  text-decoration: none;
  padding: 0.35rem 0;
}

.navigation a:hover {
  text-decoration: underline;
  text-underline-offset: 0.28em;
}

.ouverture {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(16rem, 0.7fr);
  gap: 2rem 3rem;
  align-items: end;
  padding: 2.4rem var(--gouttiere) 2rem;
}

.surtitre {
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--plum);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.35rem, 5.4vw, 4.5rem);
  max-width: 14ch;
}

.chapeau {
  max-width: 38rem;
  font-size: 1.12rem;
}

.sommaire {
  list-style: none;
  margin: 0;
  padding: 0 0 0.2rem;
  border-top: 1px solid var(--line);
}

.sommaire a {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.sommaire a:hover {
  color: var(--plum);
}

.sommaire span {
  min-width: 1.8rem;
  font-size: 1.65rem;
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
}

.bande {
  margin: 0;
}

.bande img {
  display: block;
  width: 100%;
  height: 11.5rem;
  object-fit: cover;
}

.cadre-feuille {
  object-position: 50% 42%;
}

.cadre-papiers {
  object-position: 50% 48%;
}

.cadre-table {
  object-position: 72% 62%;
}

.cadre-dossier {
  object-position: 50% 42%;
}

.cadre-schema {
  object-position: 50% 58%;
}

.cadre-pages {
  object-position: 50% 38%;
}

.bande figcaption {
  margin: 0;
  padding: 0.65rem var(--gouttiere) 0.15rem;
  color: var(--plum);
  font-size: 0.98rem;
  font-weight: 600;
}

.entree {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 0.35rem 1.25rem;
  padding: 1.8rem var(--gouttiere);
  border-bottom: 1px solid var(--line);
}

.indice {
  margin: 0;
  font-size: 2.6rem;
  font-weight: 600;
  line-height: 0.9;
  color: var(--gold);
}

.entree h3,
.colonne h3 {
  margin: 0 0 0.55rem;
  font-size: clamp(2rem, 3.5vw, 2.85rem);
}

.entree p:last-child,
.colonne p:last-child {
  margin-bottom: 0;
}

.piege {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: var(--line);
  color: var(--ink);
}

.piege strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--plum);
}

.bloc {
  padding: 2.6rem var(--gouttiere) 1rem;
}

.bloc h2 {
  margin: 0 0 1rem;
  font-size: clamp(2.1rem, 4vw, 3.35rem);
}

.bloc h2::after {
  content: "";
  display: block;
  width: 4.2rem;
  height: 3px;
  margin-top: 0.7rem;
  background: var(--gold);
}

.intro {
  max-width: 42rem;
  margin-bottom: 1.4rem;
}

.paire {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2rem;
  padding: 1.35rem 0 1.5rem;
  border-top: 1px solid var(--line);
}

.colonne + .colonne {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
}

.questions {
  padding-bottom: 1.5rem;
}

details {
  border-bottom: 1px solid var(--line);
}

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
  cursor: pointer;
  font-weight: 700;
  color: var(--plum);
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: "Nunito Sans", sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--plum);
}

details[open] summary::after {
  content: "–";
}

details p {
  margin: 0;
  padding: 0 0 1rem;
  max-width: 42rem;
}

.ecrire {
  padding-bottom: 3rem;
}

.fiche {
  background: var(--ivory);
  border: 2px solid var(--plum);
  padding: 1.25rem;
  display: grid;
  gap: 0.95rem;
}

.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.95rem;
}

label,
.case {
  display: grid;
  gap: 0.35rem;
  font-weight: 700;
  color: var(--plum);
}

.case {
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.7rem;
  font-weight: 600;
  color: var(--ink);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.72rem 0.75rem;
  border: 1px solid var(--plum);
  background: var(--ivory);
  color: var(--ink);
  font: inherit;
  font-weight: 400;
  border-radius: 0;
}

textarea {
  resize: vertical;
  min-height: 8rem;
}

.case input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
  accent-color: var(--plum);
}

.lien-note {
  justify-self: start;
}

button,
.btn {
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid var(--plum);
  padding: 0.7rem 1rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-or {
  background: var(--gold);
  color: var(--plum);
}

.btn-ivoire {
  background: var(--ivory);
  color: var(--plum);
}

.btn-or:hover,
.btn-ivoire:hover {
  background: var(--ivory);
  color: var(--plum);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

#etat {
  margin: 0;
  font-weight: 700;
  color: var(--plum);
}

.resume-titre {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--plum);
}

#resume {
  display: grid;
  gap: 0.7rem;
}

dialog {
  width: min(36rem, calc(100% - 2rem));
  max-height: min(80vh, 40rem);
  overflow: auto;
  padding: 1.4rem 1.3rem 1.2rem;
  border: 2px solid var(--plum);
  background: var(--ivory);
  color: var(--ink);
}

dialog::backdrop {
  background: rgba(36, 24, 32, 0.48);
}

dialog h2 {
  margin: 0 0 0.8rem;
  font-size: 2.2rem;
}

dialog h2::after {
  content: "";
  display: block;
  width: 3.2rem;
  height: 3px;
  margin-top: 0.55rem;
  background: var(--gold);
}

.pied {
  padding: 1.5rem var(--gouttiere) 2.2rem;
  border-top: 0.55rem solid var(--plum);
}

.pied p {
  margin: 0 0 0.35rem;
}

.pied-liens {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.bandeau {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  padding: 0.9rem var(--gouttiere) 1rem;
  background: var(--ivory);
  border-top: 0.55rem solid var(--plum);
}

.bandeau p {
  flex: 1 1 18rem;
  margin: 0;
}

@media (max-width: 800px) {
  .ouverture {
    grid-template-columns: 1fr;
    align-items: start;
  }

  h1 {
    max-width: none;
  }

  .barre {
    flex-wrap: wrap;
  }

  .burger {
    display: inline-flex;
  }

  .navigation {
    display: none;
    position: static;
    flex: 1 0 100%;
    flex-direction: column;
    gap: 0;
    padding: 0.2rem 0 0.35rem;
    background: var(--ivory);
  }

  .menu-ouvert .navigation {
    display: flex;
  }

  .navigation a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .paire,
  .duo {
    grid-template-columns: 1fr;
  }

  .colonne + .colonne {
    padding-left: 0;
    padding-top: 1rem;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .bande img {
    height: 9.2rem;
  }

  body.avec-bandeau {
    padding-bottom: 18rem;
  }
}

@media (max-width: 400px) {
  .entree {
    grid-template-columns: 1fr;
  }

  .indice {
    font-size: 2.1rem;
  }

  .barre {
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
  }

  .marque {
    font-size: 1.85rem;
  }

  .actions,
  .bandeau .actions {
    width: 100%;
  }

  .actions button,
  .bandeau button {
    flex: 1 1 auto;
  }
}