/* Grand Belrivage — single stylesheet.
 * "Palace" look: ivory marble ground, deep azure and terracotta accents,
 * high-contrast serif display over a humanist sans body. System font
 * stacks only; the page never loads a remote resource. */

:root {
  --gbr-ivoire: #f6f3ec;
  --gbr-marbre: #efe9dc;
  --gbr-nuit: #22282e;
  --gbr-brume: #566068;
  --gbr-azur: #2c4a68;
  --gbr-cuivre: #a4573d;
  --gbr-filet: #d8d0bf;
  --gbr-display: Didot, 'Bodoni MT', 'Book Antiqua', Palatino, 'Times New Roman', serif;
  --gbr-labeur: 'Gill Sans', 'Gill Sans MT', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --gbr-gouttiere: clamp(1rem, 5vw, 4.5rem);
  --gbr-unite: 0.5rem;
}

* { box-sizing: border-box; }

/* The hidden attribute drives every notice; keep it authoritative. */
[hidden] { display: none !important; }

html.gbr-fige { overflow: hidden; }

body {
  margin: 0;
  background: var(--gbr-ivoire);
  color: var(--gbr-nuit);
  font: 400 1.02rem/1.6 var(--gbr-labeur);
}

h1, h2, h3 {
  font-family: var(--gbr-display);
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.15;
  margin: 0 0 calc(var(--gbr-unite) * 2);
}

h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 calc(var(--gbr-unite) * 2); max-width: 65ch; }

a { color: var(--gbr-azur); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--gbr-cuivre); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gbr-azur);
  outline-offset: 2px;
}

/* ---- Notice bar & masthead -------------------------------------------- */

.gbr-bandeau-avis {
  margin: 0;
  max-width: none;
  padding: calc(var(--gbr-unite) * 0.75) var(--gbr-gouttiere);
  background: var(--gbr-nuit);
  color: var(--gbr-ivoire);
  font-size: 0.82rem;
  text-align: center;
  letter-spacing: 0.04em;
}

.gbr-couronne {
  padding: calc(var(--gbr-unite) * 3) var(--gbr-gouttiere) calc(var(--gbr-unite) * 2);
  text-align: center;
  border-bottom: 1px solid var(--gbr-filet);
  position: relative;
}

.gbr-monogramme {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--gbr-unite) * 0.75);
  color: inherit;
  text-decoration: none;
}

.gbr-monogramme svg {
  width: 44px;
  height: 44px;
  fill: none;
  stroke: var(--gbr-azur);
  stroke-width: 2.5;
}

.gbr-enseigne {
  font-family: var(--gbr-display);
  font-size: 1.7rem;
  letter-spacing: 0.06em;
}

.gbr-enseigne b { font-weight: 600; color: var(--gbr-azur); }

.gbr-sous-enseigne {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--gbr-brume);
}

.gbr-nav {
  margin-top: calc(var(--gbr-unite) * 2.5);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: calc(var(--gbr-unite) * 0.5) calc(var(--gbr-unite) * 3);
}

.gbr-nav a {
  color: var(--gbr-nuit);
  text-decoration: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: calc(var(--gbr-unite) * 0.5) 0;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease-out, border-color 0.18s ease-out;
}

.gbr-nav a:hover { color: var(--gbr-cuivre); }
.gbr-nav a[aria-current="page"] { border-color: var(--gbr-cuivre); color: var(--gbr-cuivre); }

.gbr-nav-bouton {
  display: none;
  margin: calc(var(--gbr-unite) * 2) auto 0;
  padding: calc(var(--gbr-unite)) calc(var(--gbr-unite) * 3);
  font: 600 0.85rem var(--gbr-labeur);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: none;
  border: 1px solid var(--gbr-filet);
  border-radius: 999px;
  color: var(--gbr-nuit);
  cursor: pointer;
}

/* ---- Hero -------------------------------------------------------------- */

.gbr-proue {
  padding: clamp(3rem, 8vw, 6rem) var(--gbr-gouttiere) clamp(2rem, 5vw, 3.5rem);
  text-align: center;
}

.gbr-proue p, .gbr-proue h1 { margin-left: auto; margin-right: auto; }

.gbr-surtitre {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--gbr-cuivre);
  margin-bottom: calc(var(--gbr-unite) * 2);
}

.gbr-avance { font-size: 1.12rem; color: var(--gbr-brume); }

.gbr-gestes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: calc(var(--gbr-unite) * 2);
  margin-top: calc(var(--gbr-unite) * 3);
}

.gbr-bouton {
  display: inline-block;
  padding: calc(var(--gbr-unite) * 1.5) calc(var(--gbr-unite) * 4);
  font: 600 0.9rem var(--gbr-labeur);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gbr-azur);
  background: none;
  border: 1px solid var(--gbr-azur);
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.18s ease-out, background-color 0.18s ease-out, color 0.18s ease-out;
}

.gbr-bouton:hover { transform: translateY(-1px); color: var(--gbr-cuivre); border-color: var(--gbr-cuivre); }

.gbr-bouton-plein {
  background: var(--gbr-azur);
  color: var(--gbr-ivoire);
}

.gbr-bouton-plein:hover { background: var(--gbr-cuivre); color: var(--gbr-ivoire); }

/* ---- Fact strip --------------------------------------------------------- */

.gbr-frise {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  border-top: 1px solid var(--gbr-filet);
  border-bottom: 1px solid var(--gbr-filet);
  margin: 0 var(--gbr-gouttiere);
}

.gbr-frise > div {
  padding: calc(var(--gbr-unite) * 2.5) calc(var(--gbr-unite) * 2);
  text-align: center;
  border-left: 1px solid var(--gbr-filet);
}

.gbr-frise > div:first-child { border-left: 0; }

.gbr-frise b {
  display: block;
  font-family: var(--gbr-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: calc(var(--gbr-unite) * 0.5);
}

.gbr-frise span { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--gbr-brume); }

/* ---- Sections ----------------------------------------------------------- */

.gbr-chapitre {
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--gbr-gouttiere);
  max-width: 72rem;
  margin: 0 auto;
}

.gbr-chapitre-teinte {
  background: var(--gbr-marbre);
}

.gbr-chapitre-teinte > .gbr-chapitre { padding-top: clamp(2.5rem, 6vw, 4rem); padding-bottom: clamp(2.5rem, 6vw, 4rem); }

.gbr-chapeau {
  text-align: center;
  margin-bottom: calc(var(--gbr-unite) * 5);
}

.gbr-chapeau small {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--gbr-cuivre);
  margin-bottom: calc(var(--gbr-unite));
}

.gbr-chapeau h2 { margin-bottom: 0; }

.gbr-duo {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.gbr-duo-inverse { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }

.gbr-cartes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: calc(var(--gbr-unite) * 3);
}

.gbr-carte {
  background: var(--gbr-ivoire);
  border: 1px solid var(--gbr-filet);
  padding: calc(var(--gbr-unite) * 3.5);
}

.gbr-chapitre-teinte .gbr-carte { background: var(--gbr-ivoire); }

.gbr-carte h3 { color: var(--gbr-azur); }
.gbr-carte p:last-child { margin-bottom: 0; }

.gbr-tableau {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.gbr-tableau caption {
  caption-side: top;
  text-align: left;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gbr-brume);
  padding-bottom: calc(var(--gbr-unite));
}

.gbr-tableau th, .gbr-tableau td {
  text-align: left;
  padding: calc(var(--gbr-unite) * 1.25) calc(var(--gbr-unite) * 1.5);
  border-bottom: 1px solid var(--gbr-filet);
  vertical-align: top;
}

.gbr-tableau th { font-weight: 600; white-space: nowrap; }

.gbr-encart {
  border: 1px solid var(--gbr-filet);
  border-left: 4px solid var(--gbr-cuivre);
  background: var(--gbr-marbre);
  padding: calc(var(--gbr-unite) * 3);
  margin: calc(var(--gbr-unite) * 4) 0 0;
}

.gbr-encart p:last-child { margin-bottom: 0; }

.gbr-liste {
  margin: 0 0 calc(var(--gbr-unite) * 2);
  padding-left: 1.2rem;
}

.gbr-liste li { margin-bottom: calc(var(--gbr-unite)); max-width: 60ch; }

/* ---- FAQ ---------------------------------------------------------------- */

.gbr-questions { max-width: 46rem; margin: 0 auto; }

.gbr-questions details {
  border-bottom: 1px solid var(--gbr-filet);
  padding: calc(var(--gbr-unite) * 2) 0;
}

.gbr-questions summary {
  cursor: pointer;
  font-family: var(--gbr-display);
  font-size: 1.15rem;
  color: var(--gbr-azur);
}

.gbr-questions summary::marker { color: var(--gbr-cuivre); }

.gbr-questions p { margin: calc(var(--gbr-unite) * 1.5) 0 0; }

/* ---- Form --------------------------------------------------------------- */

.gbr-formulaire {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: calc(var(--gbr-unite) * 2.5);
  max-width: 46rem;
}

.gbr-formulaire label {
  display: block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gbr-brume);
  margin-bottom: calc(var(--gbr-unite) * 0.75);
}

.gbr-formulaire input,
.gbr-formulaire select,
.gbr-formulaire textarea {
  width: 100%;
  padding: calc(var(--gbr-unite) * 1.5);
  font: inherit;
  color: inherit;
  background: var(--gbr-ivoire);
  border: 1px solid var(--gbr-filet);
  border-radius: 2px;
}

.gbr-formulaire input:focus,
.gbr-formulaire select:focus,
.gbr-formulaire textarea:focus {
  outline: 2px solid var(--gbr-azur);
  outline-offset: 1px;
}

.gbr-formulaire .gbr-champ-large { grid-column: 1 / -1; }

.gbr-champ-cache { position: absolute; left: -9999px; }

/* ---- Footer ------------------------------------------------------------- */

.gbr-socle {
  margin-top: clamp(3rem, 7vw, 5rem);
  background: var(--gbr-nuit);
  color: var(--gbr-ivoire);
  padding: clamp(2.5rem, 6vw, 4rem) var(--gbr-gouttiere) calc(var(--gbr-unite) * 3);
}

.gbr-socle a { color: var(--gbr-ivoire); }
.gbr-socle a:hover { color: #e5b79b; }

.gbr-socle-colonnes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: calc(var(--gbr-unite) * 4);
  max-width: 72rem;
  margin: 0 auto;
}

.gbr-socle-enseigne {
  font-family: var(--gbr-display);
  font-size: 1.35rem;
  margin: 0 0 calc(var(--gbr-unite) * 1.5);
}

.gbr-socle-enseigne b { font-weight: 600; }

.gbr-socle-titre {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: #aeb6bc;
  margin: 0 0 calc(var(--gbr-unite) * 1.5);
}

.gbr-socle-adresse { font-style: normal; margin-bottom: calc(var(--gbr-unite) * 1.5); }

.gbr-socle-ligne { margin: 0 0 calc(var(--gbr-unite)); font-size: 0.92rem; color: #cfd5d9; }

.gbr-socle-nav { display: grid; gap: calc(var(--gbr-unite) * 0.75); }

.gbr-socle-nav a { text-decoration: none; font-size: 0.92rem; }
.gbr-socle-nav a:hover { text-decoration: underline; }

.gbr-socle-note {
  max-width: 72rem;
  margin: calc(var(--gbr-unite) * 5) auto calc(var(--gbr-unite));
  padding-top: calc(var(--gbr-unite) * 2);
  border-top: 1px solid #3a434b;
  font-size: 0.82rem;
  color: #aeb6bc;
}

.gbr-socle-copie { max-width: 72rem; margin: 0 auto; font-size: 0.8rem; color: #7e878e; }

/* ---- Notices (cookies, age) --------------------------------------------- */

.gbr-cookie-avis {
  position: fixed;
  inset: auto 1rem 1rem 1rem;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: calc(var(--gbr-unite) * 2);
  max-width: 40rem;
  margin: 0 auto;
  padding: calc(var(--gbr-unite) * 2) calc(var(--gbr-unite) * 2.5);
  background: var(--gbr-ivoire);
  border: 1px solid var(--gbr-filet);
  box-shadow: 0 12px 32px rgba(34, 40, 46, 0.18);
}

.gbr-cookie-avis p { margin: 0; font-size: 0.88rem; }

.gbr-cookie-choix { display: flex; gap: calc(var(--gbr-unite)); }

.gbr-cookie-choix button {
  padding: calc(var(--gbr-unite)) calc(var(--gbr-unite) * 2);
  font: 600 0.82rem var(--gbr-labeur);
  letter-spacing: 0.08em;
  border: 1px solid var(--gbr-azur);
  border-radius: 2px;
  background: none;
  color: var(--gbr-azur);
  cursor: pointer;
}

.gbr-cookie-choix button:first-child { background: var(--gbr-azur); color: var(--gbr-ivoire); }

.gbr-age-modal, .gbr-age-alt {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(34, 40, 46, 0.72);
}

.gbr-age-carte {
  max-width: 26rem;
  background: var(--gbr-ivoire);
  border-top: 4px solid var(--gbr-cuivre);
  padding: calc(var(--gbr-unite) * 4);
  text-align: center;
}

.gbr-age-carte svg {
  width: 40px;
  height: 40px;
  fill: none;
  stroke: var(--gbr-azur);
  stroke-width: 2.5;
}

.gbr-age-carte small { color: var(--gbr-brume); }

.gbr-age-choix {
  display: flex;
  flex-direction: column;
  gap: calc(var(--gbr-unite) * 1.5);
  margin: calc(var(--gbr-unite) * 3) 0;
}

/* ---- 404 ---------------------------------------------------------------- */

.gbr-perdu {
  text-align: center;
  padding: clamp(4rem, 12vw, 8rem) var(--gbr-gouttiere);
}

/* ---- Responsive & preferences ------------------------------------------- */

@media (max-width: 900px) {
  .gbr-duo, .gbr-duo-inverse { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .gbr-nav-bouton { display: inline-block; }
  .gbr-nav { display: none; flex-direction: column; gap: calc(var(--gbr-unite) * 1.5); }
  .gbr-nav.gbr-nav-ouverte { display: flex; }
  .gbr-frise > div { border-left: 0; border-top: 1px solid var(--gbr-filet); }
  .gbr-frise > div:first-child { border-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}