/* À propos (maquettes p48-51). */
.about-hero {
    padding-block: var(--space-12) var(--section-padding);
}
.about-hero__grid {
    display: grid;
    gap: var(--space-6);
    align-items: end;
}
.about-hero h1 {
    max-width: 12ch;
    font-size: clamp(2.5rem, 1.7rem + 2.9vw, 4.25rem);
}
.about-hero__text {
    max-width: 34rem;
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--fs-lead);
}
.about-hero__visuals {
    display: grid;
    gap: var(--space-4);
    margin-top: var(--space-12);
}
.about-hero__visuals img {
    display: block;
    width: 100%;
    height: clamp(220px, 32vw, 380px);
    border-radius: var(--radius-card);
    object-fit: cover;
}

/* Histoire et valeurs : colonnes séparées par un filet. */
.about-columns, .about-poles__grid {
    display: grid;
    gap: var(--space-6);
    margin: var(--space-8) 0 0;
    padding: 0;
    list-style: none;
}
.about-columns li {
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-subtle);
}
.surface-dark .about-columns li {
    border-top-color: color-mix(in srgb, var(--papier) 30%, var(--nuit));
}
.about-history__when {
    margin: 0;
    color: var(--orange);
    font-size: 0.6875rem;
}
.about-columns__title {
    margin-top: var(--space-3);
    font: 600 1.25rem/1.25 var(--font-display);
}
.about-columns__text {
    margin: var(--space-2) 0 0;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}
.surface-dark .about-columns__text {
    color: color-mix(in srgb, var(--papier) 75%, var(--nuit));
}
.about-values .icon {
    color: var(--ember);
}

/* Cinq pôles : tuiles cliquables sur fond sable. */
.about-poles {
    background-color: var(--color-bg-alt);
}
.about-poles .eyebrow {
    color: color-mix(in srgb, var(--ember) 80%, var(--espresso));
}
.about-poles__grid {
    gap: var(--space-3);
}
.about-pole {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: var(--space-4);
    align-items: center;
    padding: var(--space-4);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-card);
    background-color: var(--color-surface);
    transition: background-color var(--duration-fast) var(--ease);
}
.about-pole:hover {
    background-color: var(--papier);
}
.about-pole__icon {
    grid-row: span 2;
    width: 40px;
    height: 40px;
    margin: 0;
}
.about-pole__link {
    color: inherit;
    font-weight: 600;
    text-decoration: none;
}
.about-pole__link::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
}
.about-pole__text {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}
.about-pole--other {
    display: flex;
    border: 1px dashed var(--ember);
    background-color: transparent;
}
.about-pole--other .about-pole__link {
    color: color-mix(in srgb, var(--ember) 80%, var(--espresso));
}

@media (min-width: 768px) {
    .about-hero__grid {
        grid-template-columns: 1fr 1fr;
    }
    .about-hero__visuals {
        grid-template-columns: 2fr 1fr;
    }
    .about-history {
        grid-template-columns: repeat(3, 1fr);
    }
    .about-values, .about-poles__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1280px) {
    .about-values {
        grid-template-columns: repeat(4, 1fr);
    }
    .about-poles__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}