.about-page {
    padding-top: 8rem;
    padding-bottom: 6rem;
}

.about-hero,
.about-ecosystem,
.about-leadership__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

.about-hero {
    margin-bottom: 6rem;
}

.about-hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 64rem) {
    .about-hero__grid {
        grid-template-columns: 7fr 5fr;
    }
}

.about-hero__eyebrow {
    margin: 0 0 1rem;
    color: #006876;
    font-family: Inter, sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.about-hero__title {
    margin: 0 0 2rem;
    font-family: Manrope, sans-serif;
    font-size: 3.75rem;
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #191c1e;
}

.about-hero__title strong {
    background: linear-gradient(135deg, #006876 0%, #22b8cf 100%);
    color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
}

.about-hero__text,
.about-section-intro__text,
.about-ecosystem-card__text,
.about-leadership__text {
    font-family: Inter, sans-serif;
    line-height: 1.8;
    color: #3d494c;
}

.about-hero__text {
    max-width: 42rem;
    margin: 0;
    font-size: 1.125rem;
}

.about-hero__image-frame {
    padding: 0.5rem;
    border-radius: 1rem;
    background-color: #ffffff;
    box-shadow: 0 12px 32px -4px rgba(25, 28, 30, 0.06);
}

.about-hero__image-frame img {
    width: 100%;
    display: block;
    border-radius: 0.75rem;
    aspect-ratio: 4 / 5;
    object-fit: cover;
}

.about-ecosystem {
    margin-bottom: 6rem;
}

.about-section-intro {
    margin-bottom: 3rem;
}

.about-section-intro__title,
.about-leadership__title {
    margin: 0 0 1rem;
    font-family: Manrope, sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: #191c1e;
}

.about-section-intro__text {
    max-width: 48rem;
    margin: 0;
}

.about-ecosystem__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 48rem) {
    .about-ecosystem__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.about-ecosystem-card {
    position: relative;
    padding: 2.5rem;
    border-radius: 1rem;
    overflow: hidden;
    background-color: #f2f4f6;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.about-ecosystem-card--featured {
    background-color: #ffffff;
    box-shadow: 0 12px 32px -4px rgba(25, 28, 30, 0.06);
}

.about-ecosystem-card__bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #006876 0%, #22b8cf 100%);
}

.about-ecosystem-card__icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: 2rem;
    border-radius: 0.75rem;
    background-color: rgba(0, 104, 118, 0.1);
    color: #006876;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-ecosystem-card__icon--featured {
    background-color: rgba(34, 184, 207, 0.2);
}

.about-ecosystem-card__title {
    margin: 0 0 1rem;
    font-family: Manrope, sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #191c1e;
}

.about-ecosystem-card__text {
    margin: 0;
    font-size: 0.95rem;
}

.about-leadership {
    padding: 6rem 0;
    background-color: #ffffff;
    box-shadow: 0 12px 32px -4px rgba(25, 28, 30, 0.06);
}

.about-leadership__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 64rem) {
    .about-leadership__inner {
        grid-template-columns: 1fr 1fr;
    }
}

.about-leadership__subtitle {
    margin: 0 0 1.5rem;
    font-family: Manrope, sans-serif;
    font-size: 1.25rem;
    font-weight: 500;
    color: #006876;
}

.about-leadership__text {
    margin: 0 0 1.5rem;
}

.about-leadership__portrait-wrap {
    position: relative;
    width: fit-content;
    margin: 0 auto;
}

.about-leadership__portrait-frame {
    position: relative;
    z-index: 1;
    width: 288px;
    padding: 0.5rem;
    border-radius: 1rem;
    background-color: #f8f9fb;
    box-shadow: 0 12px 32px -4px rgba(25, 28, 30, 0.06);
}

.about-leadership__portrait-frame img {
    width: 100%;
    display: block;
    border-radius: 0.75rem;
    aspect-ratio: 3 / 4;
    object-fit: cover;
}

.about-leadership__backdrop {
    position: absolute;
    left: -1.5rem;
    bottom: -1.5rem;
    width: 12rem;
    height: 12rem;
    border-radius: 1rem;
    border: 1px solid rgba(188, 201, 204, 0.15);
    background-color: #f2f4f6;
}

@media (max-width: 47.99rem) {
    .about-page {
        padding-top: 7rem;
        padding-bottom: 4rem;
    }

    .about-hero,
    .about-ecosystem,
    .about-leadership__inner {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .about-hero__title {
        font-size: 2.75rem;
    }

    .about-hero__text {
        font-size: 1rem;
    }

    .about-ecosystem-card {
        padding: 1.75rem;
    }

    .about-leadership {
        padding: 4rem 0;
    }
}

/* ============================================================
   DARK MODE — à propos uniquement
   Activé automatiquement si le navigateur est en mode sombre
   ============================================================ */
@media (prefers-color-scheme: dark) {

    /* Fond principal */
    .about-page {
        background-color: #1a1d20;
    }

    /* ── Hero ─────────────────────────────────────────────── */
    .about-hero__eyebrow {
        color: #22b8cf;
    }

    .about-hero__title {
        color: #e8f0f2;
    }

    .about-hero__text,
    .about-section-intro__text,
    .about-ecosystem-card__text,
    .about-leadership__text {
        color: #8fa0a5;
    }

    /* Cadre photo hero */
    .about-hero__image-frame {
        background-color: #252b30;
        box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.35);
    }

    /* ── Section Ecosystem ────────────────────────────────── */
    .about-section-intro__title,
    .about-leadership__title {
        color: #e8f0f2;
    }

    /* Carte standard (fond gris) */
    .about-ecosystem-card {
        background-color: #1e2226;
    }

    /* Carte mise en avant (fond blanc) */
    .about-ecosystem-card--featured {
        background-color: #252b30;
        box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.35);
    }

    .about-ecosystem-card__icon {
        background-color: rgba(0, 104, 118, 0.15);
    }

    .about-ecosystem-card__icon--featured {
        background-color: rgba(34, 184, 207, 0.12);
    }

    .about-ecosystem-card__title {
        color: #e8f0f2;
    }

    /* ── Section Leadership ───────────────────────────────── */
    .about-leadership {
        background-color: #1e2226;
        box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.3);
    }

    .about-leadership__subtitle {
        color: #22b8cf;
    }

    /* Cadre portrait */
    .about-leadership__portrait-frame {
        background-color: #252b30;
        box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.35);
    }

    /* Décor derrière le portrait */
    .about-leadership__backdrop {
        background-color: #2d3438;
        border-color: rgba(255, 255, 255, 0.06);
    }
}