/* ================================================================= */
/*  PAGE ABOUT — LAYOUT GLOBAL                                       */
/* ================================================================= */

.about-page {
    width: 100%;
    overflow-x: hidden;
}

/* ================================================================= */
/*  STICKY TOP NAVIGATION                                            */
/* ================================================================= */

.about-sticky-bar {
    position: sticky;
    top: 0;
    z-index: 30;

    background: rgba(255, 255, 255, 0.85);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);

    padding: 10px 0;
}

.about-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Bouton retour */
.about-sticky-bar .back-btn {
    text-decoration: none;
    font-weight: 600;
    color: #333;
    padding: 6px 12px;

    border-radius: 6px;
    background: rgba(0,0,0,0.05);
    transition: 0.25s;
}

.about-sticky-bar .back-btn:hover {
    background: rgba(0,0,0,0.12);
}

/* Tabs de navigation */
.about-sticky-tabs {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 18px;
    margin: 0;
    padding: 0;
}

.about-sticky-tabs .tab-link {
    text-decoration: none;
    font-weight: 500;
    color: #444;
    padding: 6px 4px;
    transition: 0.2s;
}

.about-sticky-tabs .tab-link:hover {
    color: #8b0e24;
}

/* ================================================================= */
/*  SECTIONS                                                         */
/* ================================================================= */

.about-section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 40px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #555;
}

/* ================================================================= */
/*  ANIMATION REVEAL                                                 */
/* ================================================================= */

.section-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s ease-out;
}

.section-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}