/* =========================================================
   VENTURI DECO — FOOTER COMMUN
   Utilisé sur toutes les pages
   ========================================================= */

/* =========================================================
   APPEL À L’ACTION AVANT LE FOOTER
   ========================================================= */

.footer-cta {
    position: relative;
    isolation: isolate;

    padding-block:
        clamp(
            80px,
            10vw,
            140px
        );

    overflow: hidden;

    background: var(--color-orange);
    color: var(--color-black);
}

.footer-cta::after {
    content: "";

    position: absolute;
    right: -120px;
    bottom: -170px;
    z-index: -1;

    width: 420px;
    height: 420px;

    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 50%;
}

.footer-cta__inner {
    display: grid;
    grid-template-columns:
        minmax(0, 1fr)
        auto;

    gap: var(--space-xl);
    align-items: end;
}

.footer-cta__label {
    display: flex;
    align-items: center;
    gap: 14px;

    margin-bottom: var(--space-md);

    color: rgba(0, 0, 0, 0.7);

    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.footer-cta__label::before {
    content: "";

    width: 34px;
    height: 2px;

    background: var(--color-black);
}

.footer-cta__title {
    max-width: 900px;

    color: var(--color-black);
}

.footer-cta__title em {
    color: var(--color-white);
}

.footer-cta .circle-button {
    width: 110px;
    height: 110px;

    border-color: rgba(0, 0, 0, 0.45);
    color: var(--color-black);

    font-size: 2rem;
}

.footer-cta .circle-button:hover {
    border-color: var(--color-black);
    background: var(--color-black);
    color: var(--color-white);
}

/* =========================================================
   FOOTER PRINCIPAL
   ========================================================= */

.site-footer {
    border-top: 1px solid var(--color-border-orange);

    background:
        linear-gradient(
            to bottom,
            #0d0d0d,
            var(--color-black)
        );
}

.site-footer__main {
    display: grid;
    grid-template-columns:
        minmax(250px, 1.35fr)
        minmax(150px, 0.65fr)
        minmax(220px, 0.8fr);

    gap: clamp(
        45px,
        7vw,
        100px
    );

    padding-block:
        clamp(
            65px,
            8vw,
            100px
        );
}

/* Présentation de l’entreprise */
.site-footer__brand {
    max-width: 380px;
}

.site-footer__logo {
    display: inline-flex;
    margin-bottom: var(--space-md);
}

.site-footer__logo img {
    width: 190px;
    max-height: 85px;

    object-fit: contain;

    filter:
        drop-shadow(
            0 6px 20px rgba(255, 106, 0, 0.18)
        );

    transition:
        filter var(--transition-normal),
        transform var(--transition-normal);
}

.site-footer__logo:hover img {
    filter:
        drop-shadow(
            0 8px 26px rgba(255, 106, 0, 0.35)
        );

    transform: scale(1.025);
}

.site-footer__description {
    margin-bottom: var(--space-md);

    font-size: 0.9rem;
    line-height: 1.8;
}

/* Titres des colonnes */
.site-footer__heading {
    margin-bottom: var(--space-md);

    color: var(--color-white);

    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* Navigation du footer */
.site-footer__list {
    display: flex;
    flex-direction: column;
    gap: 12px;

    list-style: none;
}

.site-footer__link {
    display: inline-flex;
    align-items: center;
    gap: 10px;

    color: var(--color-text-muted);

    font-size: 0.85rem;
}

.site-footer__link::before {
    content: "";

    width: 0;
    height: 1px;

    background: var(--color-orange);

    transition:
        width var(--transition-normal);
}

.site-footer__link:hover,
.site-footer__link[aria-current="page"] {
    color: var(--color-orange);
}

.site-footer__link:hover::before,
.site-footer__link[aria-current="page"]::before {
    width: 18px;
}

/* Coordonnées */
.site-footer__contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.site-footer__contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.site-footer__contact-label {
    color: var(--color-text-muted);

    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.site-footer__contact-value {
    color: var(--color-white);

    font-family: var(--font-title);
    font-size: 1.15rem;
}

a.site-footer__contact-value:hover {
    color: var(--color-orange);
}

/* =========================================================
   PARTIE INFÉRIEURE
   ========================================================= */

.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);

    min-height: 80px;

    border-top: 1px solid var(--color-border);

    color: rgba(255, 255, 255, 0.42);

    font-size: 0.65rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.site-footer__legal {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
}

.site-footer__legal a:hover {
    color: var(--color-orange);
}

/* Signature Exora Technologie */
.site-footer__signature {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.site-footer__signature > span {
    white-space: nowrap;
}

.site-footer__signature a {
    display: inline-flex;
    align-items: center;

    color: rgba(255, 255, 255, 0.7);
}

.site-footer__signature-logo {
    display: block;

    width:
        clamp(
            115px,
            11vw,
            145px
        );

    height: auto;
    max-height: 48px;

    object-fit: contain;

    opacity: 0.86;

    filter:
        drop-shadow(
            0 4px 12px rgba(0, 136, 255, 0.2)
        );

    transition:
        opacity var(--transition-normal),
        filter var(--transition-normal),
        transform var(--transition-normal);
}

.site-footer__signature a:hover .site-footer__signature-logo {
    opacity: 1;

    filter:
        drop-shadow(
            0 5px 16px rgba(0, 166, 255, 0.4)
        );

    transform: translateY(-1px);
}

/* Bouton retour en haut */
.back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 900;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 48px;
    height: 48px;

    border: 1px solid var(--color-border-orange);
    border-radius: 50%;

    visibility: hidden;

    background: rgba(7, 7, 7, 0.9);
    color: var(--color-orange);
    opacity: 0;

    box-shadow: var(--shadow-small);

    transform: translateY(15px);

    transition:
        visibility var(--transition-normal),
        color var(--transition-fast),
        background-color var(--transition-fast),
        opacity var(--transition-normal),
        transform var(--transition-normal);
}

.back-to-top.is-visible {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-orange);
    color: var(--color-white);
}