/* ============================================
   ÉDITIONS PROMÉTHÉE — Feuille de style commune
   ============================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --noir:    #0d0d0d;
  --sombre:  #141414;
  --gris:    #1e1e1e;
  --or:      #e8d5a3;
  --or-pale: rgba(232, 213, 163, 0.35);
  --blanc:   #f0f0f0;
  --texte:   #c8c8c8;
  --serif:   Georgia, 'Times New Roman', serif;
  --sans:    'Helvetica Neue', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--noir);
  color: var(--texte);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.75;
}

/* ── Navigation ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 48px;
  height: 64px;
  background: rgba(13, 13, 13, 0.95);
  border-bottom: 1px solid var(--or-pale);
}

.nav-logo {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--or);
  text-decoration: none;
}

.nav-logo span {
  display: block;
  font-size: 8px;
  letter-spacing: 4px;
  color: rgba(232, 213, 163, 0.5);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--texte);
  text-decoration: none;
  transition: color 0.25s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--or); }

/* ── Boutons ── */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 36px;
  border: 1px solid var(--or);
  color: var(--or);
  background: transparent;
  cursor: pointer;
  transition: all 0.25s;
}

.btn:hover {
  background: var(--or);
  color: var(--noir);
}

.btn-plein {
  background: var(--or);
  color: var(--noir);
}

.btn-plein:hover {
  background: transparent;
  color: var(--or);
}

/* ── Section générique ── */
section { padding: 100px 0; }

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 40px;
}

.container-large {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ── Titre de section ── */
.section-label {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--or);
  opacity: 0.7;
  margin-bottom: 20px;
}

h1, h2, h3 {
  font-weight: 400;
  color: var(--blanc);
}

h2 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 32px;
}

h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

p { margin-bottom: 20px; color: var(--texte); }

.or { color: var(--or); }

/* ── Séparateur ── */
.sep {
  width: 36px;
  height: 1px;
  background: var(--or);
  opacity: 0.6;
  margin: 32px 0;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--or-pale);
  padding: 40px;
  text-align: center;
}

footer p {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(232, 213, 163, 0.4);
  margin: 0;
}