/* ============================================================
   GLOBAL CHANG GROUP : la charte de la maison, en site.
   Marine, rouge, papier froid. Besley pour le titre, Schibsted
   Grotesk pour le texte, Spline Sans Mono pour les repères.
   Un seul rouge, rare. Aucun dégradé, aucune ombre portée.
   ============================================================ */

@font-face { font-family: "Besley"; font-weight: 400; font-display: swap; src: url("fonts/Besley-Regular.ttf") format("truetype"); }
@font-face { font-family: "Besley"; font-weight: 700; font-display: swap; src: url("fonts/Besley-Bold.ttf") format("truetype"); }
@font-face { font-family: "Schibsted"; font-weight: 400; font-display: swap; src: url("fonts/SchibstedGrotesk-Regular.ttf") format("truetype"); }
@font-face { font-family: "Schibsted"; font-weight: 700; font-display: swap; src: url("fonts/SchibstedGrotesk-Bold.ttf") format("truetype"); }
@font-face { font-family: "Spline Mono"; font-weight: 400; font-display: swap; src: url("fonts/SplineSansMono-Regular.ttf") format("truetype"); }

:root {
  --marine: #0C1D30;
  --marine-2: #16293E;
  --marine-trait: #24384D;
  --papier: #F7F9FB;
  --blanc: #FFFFFF;
  --rouge: #C8102E;
  --bleu: #2B6CB0;
  --pierre-100: #DCE4EA;
  --pierre-300: #B6C2CC;
  --pierre-500: #74848F;
  --pierre-700: #46586B;
  --pierre-900: #22303F;

  /* Les polices chinoises viennent du système (PingFang et Songti sur Apple, JhengHei sur Windows,
     Noto sur Android) : Besley et Schibsted gardent les lettres latines, le chinois suit. */
  --serif: "Besley", "Songti TC", "Noto Serif TC", "PMingLiU", Georgia, "Times New Roman", serif;
  --sans: "Schibsted", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Helvetica Neue", Arial, sans-serif;
  --mono: "Spline Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --gouttiere: clamp(20px, 5vw, 72px);
  --largeur: 1280px;
  --duree: 0.7s;
  --courbe: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--pierre-900);
  background: var(--papier);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
::selection { background: var(--bleu); color: var(--blanc); }
:focus-visible { outline: 2px solid var(--bleu); outline-offset: 4px; }
.section, .heros { scroll-margin-top: 64px; }
a { color: inherit; text-decoration: none; }
ol, ul { list-style: none; }
sup { font-size: 0.5em; vertical-align: super; line-height: 0; }

/* La langue : les trois textes vivent dans la page, un seul est affiché. */
html[data-lang="en"] [lang="fr"], html[data-lang="en"] [lang="zh"],
html[data-lang="fr"] [lang="en"], html[data-lang="fr"] [lang="zh"],
html[data-lang="zh"] [lang="en"], html[data-lang="zh"] [lang="fr"] { display: none !important; }

/* Le chinois respire autrement : interlignes plus hauts, titres moins serrés, jamais de capitales. */
html[data-lang="zh"] body { line-height: 1.85; }
html[data-lang="zh"] .position { line-height: 1.5; letter-spacing: 0.04em; max-width: none; }
html[data-lang="zh"] .titre-2 { line-height: 1.3; letter-spacing: 0.05em; max-width: none; }
/* Le chinois se coupe n'importe où : on impose la coupure à la virgule. */
.nb { white-space: nowrap; }
html[data-lang="zh"] .editorial { line-height: 1.95; font-size: clamp(17px, 1.35vw, 21px); }
html[data-lang="zh"] .index-nom { letter-spacing: 0.06em; }
html[data-lang="zh"] .index-texte, html[data-lang="zh"] .reperes p { line-height: 1.85; }
html[data-lang="zh"] .etiquette, html[data-lang="zh"] .sur-titre, html[data-lang="zh"] .fait-libelle, html[data-lang="zh"] .contact-libelle, html[data-lang="zh"] dt, html[data-lang="zh"] .nav { font-size: 12px; letter-spacing: 0.24em; }
html[data-lang="zh"] .pied-marque { letter-spacing: 0.08em; }
.latin-doux { font-family: var(--sans); font-size: 0.9em; color: var(--pierre-700); margin-left: 0.3em; }

.cadre { width: min(100% - 2 * var(--gouttiere), var(--largeur)); margin-inline: auto; }
.rouge { color: var(--rouge); }
.hanzi { font-family: "Songti TC", "PingFang TC", "Noto Serif TC", serif; letter-spacing: 0.08em; margin-left: 0.4em; }
.point { color: var(--rouge); padding: 0 0.7em; }

/* Le repère typographique : mono, petit, espacé. */
.etiquette, .sur-titre, .fait-libelle, .contact-libelle, dt, .index-num, .pied-legal, .nav, .langues {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ---------- En-tête ---------- */
.entete {
  position: fixed; inset: 0 0 auto 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px var(--gouttiere);
  transition: background var(--duree) var(--courbe), border-color var(--duree) var(--courbe), padding var(--duree) var(--courbe);
  border-bottom: 1px solid transparent;
}
.entete.pose { background: rgba(247, 249, 251, 0.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-color: var(--pierre-100); padding-block: 12px; }
.marque { display: flex; align-items: center; gap: 12px; }
.marque img { width: 34px; height: 34px; }
.marque-nom { display: flex; flex-direction: column; line-height: 1; font-family: var(--serif); font-weight: 700; font-size: 14px; letter-spacing: 0.22em; color: var(--marine); white-space: nowrap; }
.marque-groupe { margin-top: 5px; font-family: var(--mono); font-weight: 400; font-size: 9px; letter-spacing: 0.32em; color: var(--pierre-500); }
.nav { display: flex; gap: 32px; color: var(--pierre-700); }
.nav a { position: relative; padding-bottom: 4px; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: var(--bleu); transform: scaleX(0); transform-origin: right; transition: transform 0.4s var(--courbe); }
.nav a:hover, .nav a.actif { color: var(--bleu); }
.nav a:hover::after, .nav a.actif::after { transform: scaleX(1); transform-origin: left; }
.langues { display: flex; align-items: center; gap: 8px; color: var(--pierre-500); flex-shrink: 0; white-space: nowrap; }
.langues button { font: inherit; letter-spacing: inherit; text-transform: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 2px 0; min-height: 32px; }
.langues button[aria-pressed="true"] { color: var(--marine); border-bottom: 1px solid var(--rouge); }
.langues button[lang] { letter-spacing: 0.1em; font-family: var(--sans); font-size: 12px; }
.langues-sep { color: var(--pierre-300); }
.menu-bouton { display: none; font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--marine); background: none; border: 0; cursor: pointer; padding: 12px 0 12px 16px; min-height: 44px; margin-left: auto; }
.menu-bouton[aria-expanded="true"] { color: var(--rouge); }
.menu-mobile { position: fixed; inset: 0; z-index: 9; background: var(--marine); color: var(--blanc); display: none; flex-direction: column; justify-content: center; padding: 96px var(--gouttiere) 40px; }
.menu-mobile.ouvert { display: flex; }
.menu-mobile a { display: flex; align-items: baseline; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--marine-trait); font-family: var(--serif); font-size: 28px; line-height: 1.1; }
.menu-mobile a .num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--rouge); }
.langues-menu { display: none; margin-top: 28px; gap: 0; }
.langues-menu button { flex: 1; min-height: 48px; border: 1px solid var(--marine-trait); color: var(--pierre-300); font-family: var(--sans); font-size: 14px; letter-spacing: 0.04em; text-transform: none; }
.langues-menu button + button { border-left: 0; }
.langues-menu button[aria-pressed="true"] { color: var(--blanc); border-color: var(--rouge); border-left: 1px solid var(--rouge); border-bottom: 1px solid var(--rouge); }
.menu-mobile-pied { margin-top: auto; font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--pierre-500); }
body.menu-ouvert { overflow: hidden; }
body.menu-ouvert .entete { background: var(--marine); border-color: var(--marine-trait); }
body.menu-ouvert .marque-nom, body.menu-ouvert .langues button[aria-pressed="true"] { color: var(--blanc); }
body.menu-ouvert .menu-bouton { color: var(--blanc); }

/* ---------- Accueil ---------- */
.heros { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding-top: 110px; overflow: hidden; }
.heros-print {
  position: absolute; right: -10vw; top: 4vh; width: 54vw; max-width: 780px; aspect-ratio: 1;
  background: url("img/dragon.png") center / contain no-repeat; opacity: 0.055; pointer-events: none;
}
.heros-cadre { position: relative; display: grid; grid-template-columns: 7fr 5fr; align-items: center; gap: 48px; padding-bottom: clamp(48px, 8vh, 88px); }
.heros-sceau { display: flex; flex-direction: column; align-items: center; gap: 22px; justify-self: center; }
.heros-sceau img { width: clamp(150px, 15vw, 220px); height: auto; }
.heros-sceau-mot { font-family: var(--mono); font-size: 11px; letter-spacing: 0.3em; color: var(--pierre-500); text-transform: uppercase; white-space: nowrap; }
.heros-sceau-mot .point { padding: 0 0.5em; }
.sur-titre { color: var(--bleu); margin-bottom: clamp(20px, 3vh, 30px); }
.titre-1 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(44px, 5.6vw, 84px); line-height: 1; letter-spacing: -0.02em;
  color: var(--marine);
}
.position { margin-top: clamp(18px, 2.4vh, 26px); font-family: var(--serif); font-weight: 400; font-size: clamp(20px, 2vw, 30px); line-height: 1.3; color: var(--pierre-900); max-width: 27ch; }
.devise-signature { margin-top: clamp(22px, 3vh, 34px); display: flex; align-items: center; gap: 14px; font-family: var(--serif); font-size: clamp(15px, 1.15vw, 17px); color: var(--pierre-700); }
.devise-signature i { display: block; width: 26px; height: 2px; background: var(--rouge); flex-shrink: 0; }
.descendre { display: inline-flex; align-items: center; gap: 14px; margin-top: clamp(28px, 4vh, 44px); font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--bleu); }
.descendre i { display: block; width: 44px; height: 1px; background: var(--bleu); transition: width 0.4s var(--courbe); }
.descendre:hover i { width: 72px; }

.faits { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--pierre-100); position: relative; }
.faits li { padding: 26px 24px 30px 0; border-right: 1px solid var(--pierre-100); }
.faits li + li { padding-left: 24px; }
.faits li:last-child { border-right: 0; }
.fait-chiffre { display: block; font-family: var(--serif); font-weight: 400; font-size: clamp(28px, 2.8vw, 40px); line-height: 1; color: var(--marine); letter-spacing: -0.01em; }
.fait-chiffre sup { color: var(--rouge); }
.fait-libelle { display: block; margin-top: 12px; color: var(--bleu); }

/* ---------- Sections ---------- */
.section { padding-block: clamp(88px, 12vw, 160px); position: relative; }
.grille-2 { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: start; }
.etiquette { color: var(--bleu); display: flex; align-items: center; gap: 16px; }
.etiquette .num { color: var(--rouge); }
.etiquette .num::after { content: ""; display: inline-block; width: 28px; height: 1px; background: currentColor; margin-left: 16px; vertical-align: middle; opacity: 0.6; }
.titre-2 { font-family: var(--serif); font-weight: 400; font-size: clamp(28px, 3vw, 46px); line-height: 1.1; letter-spacing: -0.015em; color: var(--marine); max-width: 16ch; }
.editorial { margin-top: 32px; font-family: var(--serif); font-size: clamp(18px, 1.4vw, 22px); line-height: 1.5; color: var(--pierre-900); max-width: 34em; }

.fiche { margin-top: 48px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 40px; border-top: 1px solid var(--pierre-100); padding-top: 28px; }
.fiche dt { color: var(--bleu); }
.fiche dd { margin-top: 8px; font-size: 17px; color: var(--marine); }

/* ---------- Activités ---------- */
.section-marine { background: var(--marine); color: var(--blanc); overflow: hidden; }
.section-marine .etiquette { color: #9CC0E8; }
.section-marine .titre-2 { color: var(--blanc); }
.print-tigre {
  position: absolute; right: -14vw; bottom: -18vw; width: 60vw; max-width: 880px; aspect-ratio: 1;
  background: url("img/sceau.png") center / contain no-repeat; opacity: 0.07; pointer-events: none;
}
.index { margin-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--marine-trait); position: relative; }
.index li {
  display: grid; grid-template-columns: 80px 1fr 1fr; gap: 24px; align-items: baseline;
  padding: 30px 0 30px 20px; border-bottom: 1px solid var(--marine-trait);
  position: relative; transition: padding-left 0.5s var(--courbe);
}
.index li::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--rouge); transform: scaleY(0); transition: transform 0.5s var(--courbe); }
.index li:hover { padding-left: 32px; }
.index li:hover::before { transform: scaleY(1); }
.index-num { color: var(--rouge); }
.index-nom { font-family: var(--serif); font-weight: 400; font-size: clamp(21px, 2.2vw, 32px); line-height: 1.1; letter-spacing: -0.01em; }
.index-texte { font-size: 15px; line-height: 1.6; color: var(--pierre-300); max-width: 34em; }

/* ---------- Repères ---------- */
.reperes { margin-top: clamp(48px, 6vw, 80px); display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--pierre-100); }
.reperes li { padding: 32px 28px 8px 0; border-right: 1px solid var(--pierre-100); }
.reperes li + li { padding-left: 28px; }
.reperes li:last-child { border-right: 0; }
.repere-grand { display: block; font-family: var(--serif); font-size: clamp(32px, 3vw, 46px); line-height: 1; color: var(--marine); letter-spacing: -0.015em; }
.reperes p { margin-top: 20px; font-size: 15px; line-height: 1.6; color: var(--pierre-700); }

/* ---------- Contact ---------- */
.section-contact { border-top: 1px solid var(--pierre-100); }
.contact { margin-top: 56px; display: grid; grid-template-columns: 5fr 3fr 4fr; gap: 40px; border-top: 1px solid var(--pierre-100); padding-top: 32px; }
.contact-libelle { color: var(--bleu); }
.contact-valeur { margin-top: 10px; font-size: 17px; line-height: 1.55; color: var(--marine); }
.contact-valeur a { color: var(--bleu); border-bottom: 1px solid color-mix(in srgb, var(--bleu) 35%, transparent); transition: border-color 0.3s var(--courbe), color 0.3s var(--courbe); }
.contact-valeur a:hover { color: var(--rouge); border-color: var(--rouge); }

/* ---------- Pied ---------- */
.pied { background: var(--marine); color: var(--blanc); overflow: hidden; padding-top: clamp(56px, 7vw, 96px); }
.pied-haut { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.pied-marque { display: flex; align-items: center; gap: 20px; font-family: var(--serif); font-size: 17px; color: var(--pierre-100); }
.pied-marque p::before { content: ""; display: inline-block; width: 22px; height: 2px; background: var(--rouge); vertical-align: middle; margin-right: 14px; }
.pied-legal { color: var(--pierre-500); }
.pied-mot {
  margin-top: clamp(24px, 4vw, 48px);
  font-family: var(--serif); font-weight: 700; font-size: clamp(56px, 10.4vw, 160px); line-height: 0.8; letter-spacing: -0.02em;
  color: var(--marine-2); text-align: center; white-space: nowrap;
  transform: translateY(18%);
}

/* ---------- Apparition ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--duree) var(--courbe), transform var(--duree) var(--courbe); }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Écrans étroits ---------- */
@media (max-width: 900px) {
  .grille-2 { grid-template-columns: 1fr; gap: 24px; }
  .nav { display: none; }
  .menu-bouton { display: inline-block; }
  .heros-cadre { grid-template-columns: 1fr; gap: 32px; }
  .heros-sceau { display: none; }
  .index li { grid-template-columns: 56px 1fr; }
  .index-texte { grid-column: 2; }
  .reperes { grid-template-columns: repeat(2, 1fr); }
  .reperes li:nth-child(2) { border-right: 0; }
  .reperes li:nth-child(n + 3) { border-top: 1px solid var(--pierre-100); }
  .reperes li:nth-child(3) { padding-left: 0; }
  .faits { grid-template-columns: 1fr; }
  .faits li { display: grid; grid-template-columns: 110px 1fr; align-items: baseline; gap: 16px; padding: 16px 0; border-right: 0; border-bottom: 1px solid var(--pierre-100); }
  .faits li + li { padding-left: 0; }
  .faits li:last-child { border-bottom: 0; }
  .fait-chiffre { font-size: 30px; }
  .fait-libelle { margin-top: 0; }
  .contact { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .entete .langues { display: none; }
  .menu-mobile .langues-menu { display: flex; }
  .index li { grid-template-columns: 40px 1fr; }
  .reperes { grid-template-columns: 1fr; }
  .reperes li { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--pierre-100); }
  .reperes li + li { padding-left: 0; }
  .reperes li:nth-child(n + 3) { border-top: 0; }
  .reperes li:last-child { border-bottom: 0; }
  .reperes p { margin-top: 10px; max-width: 34em; }
  .pied-mot { font-size: 10.4vw; transform: translateY(14%); }
  .entete { padding-inline: 20px; gap: 12px; }
  .marque img { width: 28px; height: 28px; }
  .marque-nom { font-size: 12px; letter-spacing: 0.16em; }
  .marque-groupe { font-size: 8px; letter-spacing: 0.24em; }
  .langues { gap: 6px; }
  .large-seulement { display: none; }
  .sur-titre { font-size: 10px; }
  .point { padding: 0 0.5em; }
  .heros { padding-top: 96px; justify-content: flex-start; }
  .fiche { grid-template-columns: 1fr; }
  .index li { padding-left: 12px; }
  .index li:hover { padding-left: 20px; }
}