/*
 * ==========================================================
 * LAYOUT - Conteneurs et grilles responsive
 * ==========================================================
 */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container--narrow {
    max-width: var(--max-width-text);
}

.section {
    padding: var(--space-2xl) 0;
}

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

.section--dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--color-primary-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header .subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    font-style: italic;
    font-family: var(--font-heading);
}

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

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
    .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
    .section { padding: var(--space-xl) 0; }
}

/* Flex utilitaires */
.flex { display: flex; }
.flex--center { align-items: center; justify-content: center; }
.flex--between { align-items: center; justify-content: space-between; }
.flex--wrap { flex-wrap: wrap; }
.flex--column { flex-direction: column; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Texte centré */
.text-center { text-align: center; }