/* layout.css — Grilles, conteneurs, sections */

/* --- Conteneur --- */
.conteneur {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.conteneur--etroit {
  max-width: 760px;
}

/* --- Sections --- */
section {
  position: relative;
}

.section-padding {
  padding-block: var(--space-2xl);
}

.section-padding--sm {
  padding-block: var(--space-xl);
}

/* --- Grilles --- */
.grille-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grille-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grille-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

@media (max-width: 900px) {
  .grille-2,
  .grille-3 {
    grid-template-columns: 1fr;
  }
}

/* --- Fonds --- */
.bg-surface {
  background-color: var(--color-surface);
  color: var(--color-text-light);
}

.bg-surface h1,
.bg-surface h2,
.bg-surface h3,
.bg-surface h4 {
  color: var(--color-text-light);
}

.bg-surface-2 {
  background-color: var(--color-surface-2);
  color: var(--color-text-light);
}

.bg-alt {
  background-color: var(--color-bg-alt);
}

/* --- En-têtes de section --- */
.section-entete {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-entete--gauche {
  text-align: left;
}

.section-entete__eyebrow {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

.section-entete__titre {
  margin-bottom: var(--space-md);
}

.section-entete__sous-titre {
  color: var(--color-text-muted);
  max-width: 540px;
  margin-inline: auto;
  font-size: 1.05rem;
}

.section-entete--gauche .section-entete__sous-titre {
  margin-inline: 0;
}

/* --- Séparateur ornemental celtique --- */
.separateur-celtique {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  color: var(--color-gold);
  opacity: 0.6;
}

.separateur-celtique__ligne {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
}

.separateur-celtique__svg {
  flex-shrink: 0;
  width: 100px;
}

/* --- Séparateur version claire (sur fond sombre) --- */
.bg-surface .separateur-celtique,
.bg-surface-2 .separateur-celtique {
  color: var(--color-gold);
  opacity: 0.5;
}

/* --- États initiaux pour GSAP --- */
.anim-entree {
  opacity: 0;
  transform: translateY(30px);
}

.anim-entree-gauche {
  opacity: 0;
  transform: translateX(-40px);
}

.anim-entree-droite {
  opacity: 0;
  transform: translateX(40px);
}

.anim-stagger > * {
  opacity: 0;
  transform: translateY(20px);
}