/* ============================================================
   LAYOUT.CSS — Les Trois Gourmets
   Conteneurs, grille, sections — mobile-first
   ============================================================ */

/* ── Décalage header fixe (pages sans hero plein écran) ─────── */
.main--offset {
  padding-top: var(--header-height);
}

/* ── Conteneurs ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: var(--container-padding-mobile);
}
.container--narrow {
  max-width: 768px;
}
.container--text {
  max-width: 640px;
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--container-padding-tablet);
  }
}
@media (min-width: 1024px) {
  .container {
    padding-inline: var(--container-padding-desktop);
  }
}

/* ── Grille ──────────────────────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--space-6);
}

/* Toujours 1 colonne mobile — les variantes s'activent en tablet+ */
.grid--2,
.grid--3,
.grid--4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ── Sections ────────────────────────────────────────────────── */
.section {
  padding-block: var(--section-gap);
}
.section--sm {
  padding-block: var(--section-gap-sm);
}
.section--lg {
  padding-block: var(--section-gap-lg);
}

/* Couleurs de fond par section (alternance "descente cave") */
.section--cave         { background-color: var(--color-cave); }
.section--cave-mid     { background-color: var(--color-cave-mid); }
.section--cave-elevated { background-color: var(--color-cave-elevated); }

/* ── Flex utilitaires ────────────────────────────────────────── */
.flex           { display: flex; }
.flex--center   { align-items: center; justify-content: center; }
.flex--between  { align-items: center; justify-content: space-between; }
.flex--col      { flex-direction: column; }
.flex--wrap     { flex-wrap: wrap; }
.gap-2          { gap: var(--space-2); }
.gap-4          { gap: var(--space-4); }
.gap-6          { gap: var(--space-6); }
.gap-8          { gap: var(--space-8); }

/* ── Texte utilitaires ───────────────────────────────────────── */
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Section header (eyebrow + titre + lead) ─────────────────── */
.section-header {
  margin-bottom: var(--space-16);
}
.section-header--center {
  text-align: center;
}
.section-header .eyebrow {
  margin-bottom: var(--space-4);
  display: block;
}
.section-header h2 {
  margin-bottom: var(--space-4);
}
.section-header .lead {
  max-width: 600px;
}
.section-header--center .lead {
  margin-inline: auto;
}

/* ── Révélation au scroll ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal:nth-child(2) { transition-delay: 80ms; }
.reveal:nth-child(3) { transition-delay: 160ms; }
.reveal:nth-child(4) { transition-delay: 240ms; }
.reveal:nth-child(5) { transition-delay: 320ms; }
.reveal:nth-child(6) { transition-delay: 400ms; }