/* Alexia Benke — feuille de style unique */
:root {
  --nuit: #024061;
  --petrole: #396677;
  --brume: #9AABAF;
  --olive: #656A4A;
  --terre: #B8391A;
  --creme: #F3F1E8;
  --sable: #E9E6DA;
  --ligne: #D9D5C6;
  --texte: #1E2A33;
  --texte-doux: #2F3B44;
  --display: "Bodoni Moda", "Didot", Georgia, serif;
  --corps: "Cormorant Garamond", Garamond, Georgia, serif;
  --petites-caps: "Cormorant SC", Garamond, Georgia, serif;
  --largeur: 1240px;
  --marge: clamp(20px, 4vw, 32px);
  --section: clamp(72px, 10vw, 112px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--creme); color: var(--texte);
  font-family: var(--corps); font-size: clamp(18px, 1.4vw, 20px); line-height: 1.65;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--nuit); text-underline-offset: 4px; }
a:hover { color: var(--terre); }
:focus-visible { outline: 2px solid var(--terre); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--display); color: var(--nuit); margin: 0; font-weight: 600; line-height: 1.1; }
h1 { font-size: clamp(3rem, 7vw, 5.25rem); font-weight: 700; line-height: 1.02; }
h2 { font-size: clamp(2.1rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.5rem, 2.2vw, 1.85rem); }
p { margin: 0; }
.conteneur { max-width: var(--largeur); margin: 0 auto; padding: 0 var(--marge); }
.section { padding: var(--section) 0; }
.lead { font-size: clamp(1.25rem, 2vw, 1.5rem); line-height: 1.5; color: var(--texte-doux); max-width: 38em; }
.surtitre { font-family: var(--petites-caps); font-size: 1.05rem; letter-spacing: .08em; color: var(--petrole); }
.categorie { font-family: var(--petites-caps); font-size: .95rem; letter-spacing: .06em; color: var(--terre); }
.a-completer { background: #FFF1B8; color: #1E2A33; outline: 1px dashed var(--olive); }
.visuellement-cache { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.lien-evitement { position: absolute; left: -999px; top: 8px; background: var(--nuit); color: var(--creme); padding: 8px 16px; z-index: 100; }
.lien-evitement:focus { left: 8px; }

/* Boutons */
.bouton {
  display: inline-flex; align-items: center; min-height: 52px; padding: 0 30px; border-radius: 999px;
  font-family: var(--petites-caps); font-size: 1.1rem; letter-spacing: .06em; text-decoration: none;
  background: var(--nuit); color: var(--creme); border: 1px solid var(--nuit); cursor: pointer;
}
.bouton:hover { background: var(--petrole); border-color: var(--petrole); color: var(--creme); }
.bouton--contour { background: transparent; color: var(--nuit); }
.bouton--contour:hover { background: var(--nuit); color: var(--creme); }
.bouton--terre { background: var(--terre); border-color: var(--terre); color: #fff; }
.bouton--clair { background: var(--creme); border-color: var(--creme); color: var(--nuit); }
.bouton--clair:hover { background: transparent; color: var(--creme); }
.bouton--contour-clair { background: transparent; border-color: var(--creme); color: var(--creme); }
.bouton--contour-clair:hover { background: var(--creme); color: var(--nuit); }
.boutons { display: flex; flex-wrap: wrap; gap: 14px; }

/* En-tête */
.entete { position: sticky; top: 0; z-index: 50; background: rgba(243, 241, 232, .94); backdrop-filter: blur(8px); border-bottom: 1px solid transparent; }
.entete.defile { border-bottom-color: var(--ligne); }
.entete__barre { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 84px; }
.marque { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.marque img { height: 52px; width: auto; }
.marque span { font-family: var(--petites-caps); font-size: 1.1rem; letter-spacing: .1em; color: var(--nuit); }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 28px; }
.nav a { font-family: var(--petites-caps); font-size: 1.05rem; letter-spacing: .05em; text-decoration: none; }
.nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 6px; }
.nav .nav__contact { color: var(--terre); }
.nav-bouton { display: none; background: none; border: 1px solid var(--nuit); border-radius: 999px; min-height: 44px; padding: 0 18px; font-family: var(--petites-caps); font-size: 1.05rem; color: var(--nuit); cursor: pointer; }
@media (max-width: 900px) {
  .nav-bouton { display: inline-flex; align-items: center; }
  .nav { position: fixed; inset: 84px 0 0 0; background: var(--creme); padding: 32px var(--marge); display: none; overflow-y: auto; }
  .nav.ouvert { display: block; }
  .nav ul { flex-direction: column; gap: 4px; }
  .nav a { display: block; font-family: var(--display); font-size: 2rem; padding: 10px 0; border-bottom: 1px solid var(--ligne); }
}

/* Bandeau motif méduses */
.motif { height: 120px; background: url(../img/motif.webp) center / 520px auto repeat; border-block: 1px solid var(--ligne); }
.motif--fin { height: 80px; }

/* Accueil */
.hero { padding: clamp(40px, 7vw, 80px) 0 clamp(64px, 9vw, 104px); }
.hero__grille { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero__texte { display: flex; flex-direction: column; gap: 26px; }
.hero__zone { font-family: var(--petites-caps); color: var(--olive); letter-spacing: .04em; }
.arche { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 50% 50% 6px 6px / 38% 38% 6px 6px; }
@media (max-width: 820px) { .hero__grille { grid-template-columns: 1fr; } .hero__visuel { max-width: 420px; } }

.univers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 56px; }
.univers__carte { display: flex; flex-direction: column; gap: 14px; text-decoration: none; color: inherit; }
.univers__carte img, .vide { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 4px; }
.univers__carte:hover h3 { color: var(--terre); }
.univers__carte p { color: var(--texte-doux); }
@media (max-width: 900px) { .univers { grid-template-columns: 1fr; max-width: 520px; } }
.vide { background: var(--sable); display: flex; align-items: center; justify-content: center; color: var(--olive); font-family: var(--petites-caps); text-align: center; padding: 16px; }

.references { border-top: 1px solid var(--ligne); text-align: center; }
.references__noms { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px 64px; margin: 32px 0 40px; font-family: var(--display); font-size: clamp(1.5rem, 2.4vw, 1.9rem); color: var(--nuit); }
.citation { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.citation p { font-family: var(--display); font-style: italic; font-size: clamp(1.4rem, 2.4vw, 1.75rem); line-height: 1.4; color: var(--nuit); }
.citation cite { font-style: normal; font-family: var(--petites-caps); color: var(--petrole); }

.coulisses { background: var(--nuit); color: #DCE3E4; }
.coulisses h2, .coulisses h3 { color: var(--creme); }
.coulisses .surtitre { color: var(--brume); }
.coulisses__grille { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.coulisses__intro { display: flex; flex-direction: column; gap: 20px; }
.coulisses__intro img { border-radius: 4px; aspect-ratio: 16 / 10; object-fit: cover; margin-top: 12px; }
.coulisses__liste { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--petrole); border: 1px solid var(--petrole); }
.coulisses__liste div { background: var(--nuit); padding: 28px; display: flex; flex-direction: column; gap: 8px; }
.coulisses__liste p { color: #C9D3D5; font-size: 1.1rem; }
@media (max-width: 900px) { .coulisses__grille { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .coulisses__liste { grid-template-columns: 1fr; } }

.entete-section { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 40px; }
.filtres { display: flex; flex-wrap: wrap; gap: 10px; }
.filtres button { min-height: 44px; padding: 0 20px; border-radius: 999px; border: 1px solid var(--nuit); background: transparent; color: var(--nuit); font-family: var(--petites-caps); font-size: 1rem; cursor: pointer; }
.filtres button[aria-pressed="true"] { background: var(--nuit); color: var(--creme); }
.projets { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 32px; }
.projet { display: flex; flex-direction: column; gap: 12px; }
.projet img, .projet .vide { aspect-ratio: 3 / 2; width: 100%; object-fit: cover; border-radius: 4px; }
.projet a { text-decoration: none; }
.projet p { color: var(--texte-doux); }
.projet[hidden] { display: none; }

.apropos { display: grid; grid-template-columns: minmax(0, 440px) 1fr; gap: clamp(32px, 6vw, 72px); align-items: center; }
.apropos img { aspect-ratio: 4 / 5; object-fit: cover; border-radius: 4px; width: 100%; }
.apropos__texte { display: flex; flex-direction: column; gap: 22px; }
@media (max-width: 820px) { .apropos { grid-template-columns: 1fr; } .apropos img { max-width: 420px; } }

.contact { background: var(--sable); border-top: 1px solid var(--ligne); }
.contact__grille { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 72px); }
.contact__intro { display: flex; flex-direction: column; gap: 20px; }
.formulaire { display: flex; flex-direction: column; gap: 18px; font-size: 1.1rem; }
.formulaire label { display: flex; flex-direction: column; gap: 6px; color: var(--nuit); }
.formulaire input, .formulaire select, .formulaire textarea { font: inherit; color: var(--texte); background: var(--creme); border: 1px solid var(--brume); border-radius: 4px; min-height: 48px; padding: 8px 14px; }
.formulaire textarea { min-height: 150px; resize: vertical; }
.formulaire .bouton { align-self: flex-start; }
.formulaire__mention { font-size: 1rem; color: var(--olive); }
.piege { display: none; }
@media (max-width: 820px) { .contact__grille { grid-template-columns: 1fr; } }

/* Pages univers */
.page-hero { padding: clamp(40px, 6vw, 64px) 0 clamp(56px, 8vw, 80px); display: flex; flex-direction: column; gap: 22px; }
.page-hero--image { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: end; }
@media (max-width: 820px) { .page-hero--image { grid-template-columns: 1fr; } }
.bloc { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(32px, 5vw, 56px); align-items: center; }
.bloc + .bloc { margin-top: clamp(64px, 9vw, 96px); }
.bloc img, .bloc .vide { aspect-ratio: 3 / 2; width: 100%; object-fit: cover; border-radius: 4px; }
.bloc__texte { display: flex; flex-direction: column; gap: 16px; }
.bloc--inverse .bloc__visuel { order: 2; }
@media (max-width: 820px) { .bloc { grid-template-columns: 1fr; } .bloc--inverse .bloc__visuel { order: 0; } }

.etapes { background: var(--nuit); }
.etapes h2, .etapes h3 { color: var(--creme); }
.etapes ol { list-style: none; margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; counter-reset: etape; }
.etapes li { border-top: 1px solid var(--petrole); padding-top: 20px; display: flex; flex-direction: column; gap: 10px; counter-increment: etape; }
.etapes li::before { content: counter(etape, decimal-leading-zero); font-family: var(--display); font-size: 2rem; color: #E06A4C; }
.etapes p { color: #C9D3D5; font-size: 1.1rem; }
@media (max-width: 900px) { .etapes ol { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .etapes ol { grid-template-columns: 1fr; } }

.missions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--ligne); border: 1px solid var(--ligne); margin-top: 40px; }
.missions div { background: var(--creme); padding: 30px; display: flex; flex-direction: column; gap: 8px; }
.missions p { color: var(--texte-doux); }
@media (max-width: 900px) { .missions { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .missions { grid-template-columns: 1fr; } }

.galerie { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.galerie img, .galerie .vide { aspect-ratio: 4 / 5; width: 100%; object-fit: cover; border-radius: 4px; }
@media (max-width: 760px) { .galerie { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .galerie { grid-template-columns: 1fr; } }

.artiste { background: var(--nuit); color: #DCE3E4; }
.artiste__grille { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 64px); align-items: center; }
.artiste img { aspect-ratio: 1; object-fit: cover; border-radius: 4px; width: 100%; }
.artiste h2 { color: var(--creme); font-size: clamp(2.6rem, 5vw, 3.75rem); font-weight: 700; }
.artiste .surtitre { color: var(--brume); }
.artiste__texte { display: flex; flex-direction: column; gap: 20px; }
@media (max-width: 820px) { .artiste__grille { grid-template-columns: 1fr; } }

.liste-lignes { list-style: none; margin: 24px 0 0; padding: 0; }
.liste-lignes li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px; padding: 18px 0; border-top: 1px solid var(--ligne); }
.liste-lignes li:last-child { border-bottom: 1px solid var(--ligne); }
.liste-lignes strong { font-family: var(--display); font-weight: 600; font-size: 1.4rem; color: var(--nuit); }
.deux-colonnes { display: grid; grid-template-columns: 1.2fr .8fr; gap: 64px; }
@media (max-width: 820px) { .deux-colonnes { grid-template-columns: 1fr; } }

.faq { max-width: 860px; }
.faq details { border-top: 1px solid var(--ligne); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--ligne); }
.faq summary { cursor: pointer; font-family: var(--display); font-size: 1.35rem; color: var(--nuit); }
.faq details p { margin-top: 12px; color: var(--texte-doux); }

.appel { background: var(--sable); border-top: 1px solid var(--ligne); }
.appel .conteneur { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding-block: 72px; }

/* Étude de cas */
.fiche { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; border-block: 1px solid var(--ligne); padding: 28px 0; margin-top: 48px; }
.fiche dt { font-family: var(--petites-caps); color: var(--petrole); }
.fiche dd { margin: 4px 0 0; font-family: var(--display); font-size: 1.3rem; color: var(--nuit); }
@media (max-width: 760px) { .fiche { grid-template-columns: 1fr 1fr; } }
.recit { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 52px; }
.recit section { display: flex; flex-direction: column; gap: 14px; }
.recit p { font-size: 1.25rem; color: var(--texte-doux); }
.grande-image { aspect-ratio: 21 / 9; width: 100%; object-fit: cover; border-radius: 4px; }
.retour { font-family: var(--petites-caps); text-decoration: none; }

/* Mentions légales */
.legal { max-width: 860px; display: flex; flex-direction: column; gap: 40px; }
.legal section { display: flex; flex-direction: column; gap: 10px; }
.legal h2 { font-size: 1.8rem; }
.legal p { color: var(--texte-doux); }

/* Pied de page */
.pied { background: var(--nuit); color: #C9D3D5; font-size: 1.05rem; }
.pied .conteneur { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; padding-block: 40px; }
.pied a { color: #C9D3D5; }
.pied a:hover { color: var(--creme); }
.pied ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 24px; }
.pied__nom { font-family: var(--petites-caps); letter-spacing: .08em; color: var(--creme); }

/* Page 404 / merci */
.page-simple { min-height: 60vh; display: flex; flex-direction: column; justify-content: center; gap: 24px; }