/* ============================================================
   ABOUT.CSS — Styles spécifiques à la page À propos
============================================================ */

/* --- HERO --------------------------------------------------- */
#about-hero {
    padding-top: 100px;
    background: var(--noir);
    overflow: hidden;
}

.about-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 85vh;
    width: min(100%, var(--container));
    margin-inline: auto;
    align-items: stretch;
}

/* Visuel gauche */
.about-hero-visual {
    position: relative;
    overflow: hidden;
}

.about-hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

/* Badge années d'expérience */
.about-hero-exp {
    position: absolute;
    bottom: 40px;
    right: -1px;
    background: var(--noir-2);
    border: 1px solid rgba(201, 169, 110, 0.3);
    border-right: none;
    padding: 20px 28px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.exp-nb {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--or);
    line-height: 1;
}

.about-hero-exp span {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ivoire-2);
    line-height: 1.5;
}

/* Contenu droit */
.about-hero-content {
    padding: clamp(60px, 8vw, 100px) clamp(40px, 6vw, 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--noir-2);
}

.about-hero-content .section-label {
    margin-bottom: 20px;
}

.about-hero-content h1 {
    font-size: clamp(2.8rem, 4.5vw, 5rem);
    margin-bottom: 32px;
}

.about-intro {
    font-size: clamp(0.9rem, 1.3vw, 1rem);
    color: var(--ivoire-2);
    line-height: 1.85;
    max-width: 480px;
}

.about-intro+.about-intro {
    margin-top: 18px;
}

/* Signature */
.about-hero-sig {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--gris);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sig-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 300;
    font-style: italic;
    color: var(--or);
    letter-spacing: 0.03em;
}

.sig-title {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ivoire-2);
}

/* --- TIMELINE ---------------------------------------------- */
#histoire {
    padding: var(--section-pad) 0;
    background: var(--noir);
}

.timeline {
    position: relative;
    padding-left: 60px;
    list-style: none;
}

/* Ligne verticale centrale */
.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(to bottom,
            transparent,
            rgba(201, 169, 110, 0.4) 10%,
            rgba(201, 169, 110, 0.4) 90%,
            transparent);
}

.tl-item {
    position: relative;
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 0 32px;
    padding-bottom: clamp(40px, 5vw, 64px);
    align-items: start;
}

.tl-item:last-child {
    padding-bottom: 0;
}

/* Année */
.tl-date {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 300;
    color: var(--or);
    letter-spacing: 0.05em;
    padding-top: 2px;
    text-align: right;
}

/* Point sur la ligne */
.tl-dot {
    position: absolute;
    left: -47px;
    /* aligné sur la ligne ::before */
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--noir-3);
    border: 1.5px solid var(--or-sombre);
    transition: border-color 0.3s, background 0.3s;
}

.tl-dot--current {
    background: var(--or);
    border-color: var(--or);
    box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.15);
}

.tl-item:hover .tl-dot {
    background: var(--or);
    border-color: var(--or);
}

/* Contenu */
.tl-content h3 {
    font-size: clamp(1.1rem, 1.6vw, 1.4rem);
    color: var(--ivoire);
    margin-bottom: 10px;
}

.tl-content p {
    font-size: 0.9rem;
    color: var(--ivoire-2);
    line-height: 1.75;
    max-width: 560px;
}

/* --- VALEURS ----------------------------------------------- */
#valeurs {
    padding: var(--section-pad) 0;
    background: var(--noir-3);
}

.valeurs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap);
}

.valeur-card {
    padding: clamp(28px, 3vw, 40px) clamp(20px, 2.5vw, 32px);
    border-top: 1px solid var(--gris);
    position: relative;
    transition: border-color 0.35s;
}

.valeur-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--or);
    transition: width 0.5s var(--ease);
}

.valeur-card:hover {
    border-color: transparent;
}

.valeur-card:hover::before {
    width: 100%;
}

.valeur-nb {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 300;
    color: rgba(201, 169, 110, 0.12);
    line-height: 1;
    margin-bottom: 20px;
    transition: color 0.35s;
}

.valeur-card:hover .valeur-nb {
    color: rgba(201, 169, 110, 0.25);
}

.valeur-card h3 {
    font-size: clamp(1.1rem, 1.5vw, 1.4rem);
    color: var(--ivoire);
    margin-bottom: 14px;
}

.valeur-card p {
    font-size: 0.87rem;
    color: var(--ivoire-2);
    line-height: 1.75;
}

/* --- CERTIFICATIONS ---------------------------------------- */
#certifications {
    padding: var(--section-pad) 0;
    background: var(--noir-2);
    overflow: hidden;
}

.certif-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 600px;
}

.certif-content {
    padding: clamp(48px, 7vw, 96px) clamp(40px, 6vw, 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: min(100%, calc(var(--container) / 2 + clamp(20px, 5vw, 60px)));
    margin-left: auto;
}

.certif-content .section-label {
    margin-bottom: 16px;
}

.certif-content h2 {
    margin-bottom: 24px;
}

.certif-content>p {
    font-size: 0.95rem;
    color: var(--ivoire-2);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 460px;
}

/* Liste certifications */
.certif-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.certif-list li {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gris);
}

.certif-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.certif-badge {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border: 1px solid var(--or-sombre);
    display: grid;
    place-items: center;
    font-family: var(--font-serif);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--or);
    letter-spacing: 0.05em;
}

.certif-list li>div:last-child {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.certif-list strong {
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--ivoire);
}

.certif-list span {
    font-size: 0.82rem;
    color: var(--ivoire-2);
    line-height: 1.6;
}

/* Photo droite */
.certif-visual {
    position: relative;
    overflow: hidden;
}

.certif-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.9s var(--ease);
}

.certif-visual:hover img {
    transform: scale(1.04);
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 1024px) {
    .valeurs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .about-hero-inner {
        grid-template-columns: 1fr;
    }

    .about-hero-visual {
        height: 55vw;
        min-height: 300px;
    }

    .about-hero-exp {
        right: 20px;
        bottom: 20px;
        border-right: 1px solid rgba(201, 169, 110, 0.3);
    }

    .about-hero-content {
        padding: clamp(40px, 6vw, 60px) clamp(20px, 5vw, 40px);
    }

    .certif-inner {
        grid-template-columns: 1fr;
    }

    .certif-visual {
        height: 360px;
        order: -1;
    }

    .certif-content {
        margin-left: 0;
        width: 100%;
        padding: clamp(40px, 6vw, 60px) clamp(20px, 5vw, 40px);
    }

    .timeline {
        padding-left: 40px;
    }
}

@media (max-width: 640px) {
    .valeurs-grid {
        grid-template-columns: 1fr;
    }

    .tl-item {
        grid-template-columns: 56px 1fr;
        gap: 0 16px;
    }

    .tl-date {
        font-size: 0.85rem;
    }
}