/* ═══════════════════════════════════════════════════════════
   Cabinet TRIBÜ — Charte
   Bleu #155DA4 · Ocre #D4A24C · Vert botanique #2D5938 · Crème #FAF5EC
   Georgia (titres) · Helvetica (corps)
   ═══════════════════════════════════════════════════════════ */

:root {
  --bleu: #155DA4;
  --bleu-fonce: #0F4478;
  --ocre: #D4A24C;
  --ocre-clair: #E3BE7C;
  --vert: #2D5938;
  --creme: #FAF5EC;
  --creme-profond: #F2E9D8;
  --filet: #E0DAC7;
  --anthracite: #2A2A2A;
  --gris: #6B6B6B;
  --blanc: #FFFFFF;

  --serif: Georgia, "Times New Roman", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;

  --pas: 0.5rem;
  --largeur-texte: 62ch;
  --largeur-max: 1140px;

  --rayon: 3px;
  --ombre-douce: 0 1px 3px rgba(21, 93, 164, 0.08);
  --ombre-carte: 0 2px 12px rgba(21, 93, 164, 0.10);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--creme);
  color: var(--anthracite);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ─── Typographie ─────────────────────────────────────────── */

h1, h2, h3, h4 {
  font-family: var(--serif);
  /* bleu-fonce plutôt que bleu : sur fond crème, bleu seul reste à ~6,2:1
     (AA passe déjà) mais n'atteint pas le 7:1 visé pour les titres. */
  color: var(--bleu-fonce);
  font-weight: normal;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: clamp(2.25rem, 6vw, 3.9rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p { margin: 0 0 1.1em; max-width: var(--largeur-texte); }

a { color: var(--bleu); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--bleu-fonce); }

strong { font-weight: 600; }

.surtitre {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--vert);
  margin: 0 0 calc(var(--pas) * 2.5);
}

.exergue {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  color: var(--ocre);
}

.mention { font-size: 0.85rem; color: var(--gris); }

/* ─── Structure ───────────────────────────────────────────── */

.contenu {
  width: 100%;
  max-width: var(--largeur-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

/* Les cibles d'ancre se décalent de la hauteur de l'en-tête collant */
[id] { scroll-margin-top: 84px; }

.bloc { padding-block: clamp(3rem, 8vw, 5.5rem); }
.bloc--serre { padding-block: clamp(2rem, 5vw, 3.5rem); }
.bloc--blanc { background: var(--blanc); }
.bloc--profond { background: var(--creme-profond); }

.bloc--bleu {
  background: var(--bleu);
  color: var(--creme);
}
.bloc--bleu h2,
.bloc--bleu h3 { color: var(--blanc); }
.bloc--bleu .surtitre { color: var(--ocre-clair); }
.bloc--bleu a { color: var(--ocre-clair); }

/* ─── En-tête ─────────────────────────────────────────────── */

.entete {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 245, 236, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--filet);
}

.entete__rangee {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 68px;
}

.marque {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  text-decoration: none;
  flex-shrink: 0;
}

.marque__sigle {
  font-family: var(--serif);
  font-size: 1.9rem;
  color: var(--bleu);
  line-height: 1;
}

.marque__nom {
  font-family: var(--serif);
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  color: var(--bleu);
  white-space: nowrap;
}

.entete__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navigation {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}

@media (min-width: 760px) {
  .navigation {
    max-width: var(--largeur-max);
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 5vw, 3rem);
    justify-content: center;
  }
}

.navigation a {
  font-size: 0.92rem;
  color: var(--anthracite);
  text-decoration: none;
  padding-block: 0.4rem;
  border-bottom: 2px solid transparent;
}

.navigation a:hover,
.navigation a:focus-visible {
  color: var(--bleu);
  border-bottom-color: var(--ocre);
}

/* Le libellé du bouton se raccourcit sur petit écran pour tenir sur une ligne */
.mot-long { display: none; }

@media (min-width: 760px) {
  .mot-long { display: inline; }
}

/* Menu hamburger — visible uniquement sous 760px, ouvre un panneau
   déroulant contenant le même menu que sur desktop (rien de masqué,
   juste replié). */
.menu-bascule {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 34px;
  height: 34px;
  padding: 0;
  background: none;
  border: 1px solid var(--filet);
  border-radius: var(--rayon);
  cursor: pointer;
  flex-shrink: 0;
}

.menu-bascule__barre {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--bleu);
  transition: transform 0.15s ease, opacity 0.15s ease;
}

@media (max-width: 759.98px) {
  .menu-bascule { display: flex; }

  .navigation {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--creme);
    border-bottom: 1px solid var(--filet);
    box-shadow: var(--ombre-carte);
    padding: 0.5rem 20px 1rem;
  }

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

  .navigation a {
    width: 100%;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--filet);
  }

  .navigation a:last-child { border-bottom: none; }

  .menu-bascule[aria-expanded="true"] .menu-bascule__barre:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .menu-bascule[aria-expanded="true"] .menu-bascule__barre:nth-child(2) {
    opacity: 0;
  }
  .menu-bascule[aria-expanded="true"] .menu-bascule__barre:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}

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

/* ─── Boutons ─────────────────────────────────────────────── */

.bouton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.6rem;
  border: 1.5px solid transparent;
  border-radius: var(--rayon);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.bouton:hover { transform: translateY(-1px); }
.bouton:active { transform: translateY(0); }

.bouton--principal {
  background: var(--ocre);
  color: var(--anthracite);
}
.bouton--principal:hover {
  background: #C49340;
  color: var(--anthracite);
}

.bouton--contour {
  background: transparent;
  border-color: var(--bleu);
  color: var(--bleu);
}
.bouton--contour:hover {
  background: var(--bleu);
  color: var(--blanc);
}

.bouton--clair {
  background: var(--blanc);
  color: var(--bleu);
}
.bouton--clair:hover { background: var(--creme); color: var(--bleu-fonce); }

/* ─── Héros et rosace ─────────────────────────────────────── */

.heros {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
  align-items: center;
  padding-block: clamp(2.5rem, 7vw, 4.5rem);
}

@media (min-width: 900px) {
  .heros {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.heros__texte h1 { margin-bottom: 1.1rem; }

.heros__accroche {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--anthracite);
  margin-bottom: 1.8rem;
}

.heros__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.heros__visuel {
  display: flex;
  justify-content: center;
}

.rosace {
  width: min(340px, 78vw);
  height: auto;
}

/* Assemblage de la rosace au chargement — le seul moment animé du site */
.rosace__petale {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: petale-apparait 0.75s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.rosace__couronne > g:nth-child(1) .rosace__petale { animation-delay: 0.10s; }
.rosace__couronne > g:nth-child(2) .rosace__petale { animation-delay: 0.22s; }
.rosace__couronne > g:nth-child(3) .rosace__petale { animation-delay: 0.34s; }
.rosace__couronne > g:nth-child(4) .rosace__petale { animation-delay: 0.46s; }
.rosace__couronne > g:nth-child(5) .rosace__petale { animation-delay: 0.58s; }
.rosace__couronne > g:nth-child(6) .rosace__petale { animation-delay: 0.70s; }

.rosace__coeur {
  opacity: 0;
  animation: coeur-apparait 0.6s ease forwards 0.9s;
}

@keyframes petale-apparait {
  from { opacity: 0; transform: scale(0.55); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes coeur-apparait {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── Bandeau de disponibilité ────────────────────────────── */

.disponibilite {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--blanc);
  border: 1px solid var(--filet);
  border-left: 4px solid var(--vert);
  border-radius: var(--rayon);
  padding: 0.7rem 1.1rem;
  font-size: 0.9rem;
}

.disponibilite__pastille {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--vert);
  flex-shrink: 0;
}

.disponibilite--complet { border-left-color: var(--ocre); }
.disponibilite--complet .disponibilite__pastille { background: var(--ocre); }

/* ─── Grille d'offres ─────────────────────────────────────── */

.offres {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 720px) {
  .offres { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .offres { grid-template-columns: repeat(3, 1fr); }
}

.offre {
  display: flex;
  flex-direction: column;
  background: var(--blanc);
  border: 1px solid var(--filet);
  border-top: 3px solid var(--bleu);
  border-radius: var(--rayon);
  padding: 1.75rem;
  box-shadow: var(--ombre-douce);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.offre:hover {
  box-shadow: var(--ombre-carte);
  transform: translateY(-2px);
}

.offre--vedette { border-top-color: var(--ocre); }

.offre__niveau {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vert);
  margin-bottom: 0.7rem;
}

.offre h3 { margin-bottom: 0.6rem; }

.offre__prix {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--ocre);
  margin: 0.9rem 0 0.2rem;
}

.offre__prix-detail {
  font-size: 0.82rem;
  color: var(--gris);
  margin-bottom: 1.2rem;
}

.offre__liste {
  list-style: none;
  padding: 0;
  margin: 0 0 1.6rem;
  font-size: 0.93rem;
}

.offre__liste li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.55rem;
}

.offre__liste li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ocre);
}

.offre .bouton { margin-top: auto; }

/* ─── Offres à venir ──────────────────────────────────────── */

.offres-bientot-entete {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--filet);
}
.offres-bientot-entete h3 { margin-bottom: .3rem; }
.offres-bientot-entete p.mention { margin: 0; }

.offre--bientot {
  position: relative;
  background: var(--creme-profond);
  border-top-style: dashed;
}
.offre--bientot:hover {
  box-shadow: none;
  transform: none;
}
.offre__badge {
  align-self: flex-start;
  display: inline-block;
  background: var(--ocre);
  color: var(--anthracite);
  font-family: var(--sans);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3em .7em;
  border-radius: var(--rayon);
  margin-bottom: .3rem;
}
.offre__prix-prefixe {
  display: block;
  font-family: var(--sans);
  font-size: .85rem;
  font-weight: 600;
  color: var(--gris);
  margin-bottom: .1em;
}
.offre--bientot .offre__prix { color: var(--bleu-fonce); }
.offre__prix--texte {
  font-size: 1.35rem;
  line-height: 1.25;
}

/* ─── Étapes du parcours ──────────────────────────────────── */

.etapes {
  display: grid;
  gap: 1.75rem;
  margin-top: 2.5rem;
  counter-reset: etape;
}

@media (min-width: 640px) {
  .etapes { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .etapes { grid-template-columns: repeat(4, 1fr); }
}

.etape {
  counter-increment: etape;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(250, 245, 236, 0.35);
}

.etape::before {
  content: counter(etape, decimal-leading-zero);
  display: block;
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--ocre-clair);
  margin-bottom: 0.5rem;
}

.etape h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.etape p { font-size: 0.92rem; margin-bottom: 0; opacity: 0.92; }

/* ─── Encadré de réassurance ──────────────────────────────── */

.reassurance {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (min-width: 780px) {
  .reassurance { grid-template-columns: repeat(3, 1fr); }
}

.reassurance__item {
  background: var(--blanc);
  border-left: 4px solid var(--vert);
  border-radius: var(--rayon);
  padding: 1.2rem 1.35rem;
}

.reassurance__item h3 {
  font-size: 1rem;
  color: var(--vert);
  margin-bottom: 0.35rem;
}

.reassurance__item p {
  font-size: 0.9rem;
  margin-bottom: 0;
  color: var(--anthracite);
}

/* ─── Pied de page ────────────────────────────────────────── */

.pied {
  background: var(--bleu);
  color: rgba(250, 245, 236, 0.88);
  padding-block: 3rem 2rem;
  font-size: 0.9rem;
}

.pied a { color: var(--ocre-clair); }

.pied__rangee {
  display: grid;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(250, 245, 236, 0.18);
}

@media (min-width: 720px) {
  .pied__rangee { grid-template-columns: 1.4fr 1fr 1fr; }
}

.pied h4 {
  color: var(--blanc);
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}

.pied__liens {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pied__liens li { margin-bottom: 0.45rem; }

.pied__legal {
  padding-top: 1.5rem;
  font-size: 0.78rem;
  opacity: 0.75;
}

.pied__legal p { max-width: none; margin-bottom: 0.3rem; }

/* ─── Formulaire d'inscription ────────────────────────────── */

.page-etroite {
  max-width: 640px;
}

.retour {
  font-size: 0.9rem;
  text-decoration: none;
}

.notice {
  border-left: 4px solid var(--vert);
  background: var(--blanc);
  border-radius: var(--rayon);
  padding: 0.9rem 1.1rem;
  font-size: 0.92rem;
  margin-bottom: 1.75rem;
}

.notice--annule {
  border-left-color: var(--ocre);
}

.notice--erreur {
  border-left-color: #B3402C;
  color: #7A2A1D;
  display: none;
}

.notice--erreur.est-visible { display: block; }

fieldset {
  border: 1px solid var(--filet);
  border-radius: var(--rayon);
  padding: 1.25rem 1.4rem 1.5rem;
  margin: 0 0 1.5rem;
}

legend {
  font-family: var(--serif);
  color: var(--bleu-fonce);
  font-size: 1.05rem;
  padding: 0 0.4rem;
}

.champ {
  margin-bottom: 1rem;
}

.champ:last-child { margin-bottom: 0; }

.champ label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.champ input,
.champ select {
  width: 100%;
  font: inherit;
  font-size: 0.98rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--filet);
  border-radius: var(--rayon);
  background: var(--blanc);
  color: var(--anthracite);
}

.champ input:focus-visible,
.champ select:focus-visible {
  outline: 3px solid var(--ocre);
  outline-offset: 1px;
}

.champ-deux {
  display: grid;
  gap: 1rem;
}

@media (min-width: 540px) {
  .champ-deux { grid-template-columns: 1fr 1fr; }
}

.formule {
  display: block;
  border: 1px solid var(--filet);
  border-radius: var(--rayon);
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
}

.formule:has(input:checked) {
  border-color: var(--ocre);
  background: var(--creme-profond);
}

.formule:last-child { margin-bottom: 0; }

.formule__ligne {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 600;
}

.formule__prix {
  font-family: var(--serif);
  color: var(--ocre);
  white-space: nowrap;
}

.formule__detail {
  font-size: 0.85rem;
  color: var(--gris);
  margin-top: 0.3rem;
}

.paiement {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.paiement label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: normal;
  cursor: pointer;
}

.champ-quantite {
  max-width: 10rem;
}

.formulaire__pied {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem;
  margin-top: 2rem;
}

.formulaire__mention {
  font-size: 0.82rem;
  color: var(--gris);
  margin: 0;
}

.bouton[aria-busy="true"] {
  opacity: 0.7;
  cursor: wait;
}

/* ─── Accessibilité ───────────────────────────────────────── */

:focus-visible {
  outline: 3px solid var(--ocre);
  outline-offset: 2px;
}

.saut-contenu {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bleu);
  color: var(--blanc);
  padding: 0.75rem 1.25rem;
  z-index: 100;
}

.saut-contenu:focus {
  left: 0;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .rosace__petale,
  .rosace__coeur { opacity: 1; }

  .bouton:hover,
  .offre:hover { transform: none; }
}