/* Siège social — Guinée Tech */
.gt-siege {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    margin: 28px 0;
    padding: clamp(24px, 4vw, 40px);
    border: 1px solid #bdd8cc;
    border-left: 5px solid #087451;
    border-radius: 22px;
    background: linear-gradient(120deg, #ffffff, #edf7f1);
    box-shadow: 0 12px 32px rgba(6, 63, 50, .06);
}
.gt-siege .gt-siege-repere {
    margin: 0 0 12px;
    color: #096346;
    font-size: 14px;
    font-weight: 750;
    line-height: 1.6;
    letter-spacing: .08em;
}
.gt-siege h3 {
    margin: 0 0 16px;
    color: #063f32;
    font-size: clamp(24px, 3vw, 30px);
    line-height: 1.25;
}
.gt-siege-adresse {
    color: #244c40;
    font-size: 17px;
    font-style: normal;
    line-height: 1.85;
    overflow-wrap: anywhere;
}
.gt-siege-adresse strong,
.gt-siege-adresse span {
    display: block;
}
.gt-siege-adresse strong {
    color: #123f30;
    font-weight: 700;
}
.gt-siege .gt-siege-code {
    margin: 18px 0 0;
    color: #345c4e;
    font-size: 16px;
    line-height: 1.7;
}
.gt-siege-code strong {
    display: inline-block;
    margin-left: 6px;
    padding: 3px 10px;
    border: 1px solid #c1dccd;
    border-radius: 7px;
    background: #e3f2e9;
    color: #07553c;
    letter-spacing: .04em;
}
.gt-siege .gt-siege-carte {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 52px;
    padding: 14px 22px;
    border: 2px solid #07553c;
    border-radius: 12px;
    background: #07553c;
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    transition: background .18s ease, box-shadow .18s ease;
}
.gt-siege .gt-siege-carte:hover {
    background: #063f32;
    box-shadow: 0 6px 18px rgba(6, 63, 50, .16);
}
.gt-siege .gt-siege-carte:focus-visible {
    outline: 3px solid #bf8617;
    outline-offset: 5px;
}
@media (max-width: 760px) {
    .gt-siege {
        flex-direction: column;
        align-items: stretch;
        gap: 24px;
    }
    .gt-siege .gt-siege-carte {
        align-self: flex-start;
        max-width: 100%;
        box-sizing: border-box;
    }
}
@media (prefers-reduced-motion: reduce) {
    .gt-siege .gt-siege-carte {
        transition: none;
    }
}

/* Navigation Contact / Adresse */
.entete-site .barre-navigation {
    flex-wrap: wrap;
    gap: 18px 24px;
}
.gt-navigation-contact {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.entete-site .gt-navigation-bouton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 11px 19px;
    box-sizing: border-box;
    border: 2px solid #d5eddf;
    border-radius: 11px;
    font-size: 16px;
    font-weight: 750;
    line-height: 1.4;
    text-decoration: none;
}
.entete-site .gt-navigation-message {
    background: #e5f4eb;
    color: #063f32;
}
.entete-site .gt-navigation-adresse {
    background: #07553c;
    color: #ffffff;
}
.entete-site .gt-navigation-message:hover {
    background: #ffffff;
}
.entete-site .gt-navigation-adresse:hover {
    background: #063f32;
}
.entete-site .gt-navigation-bouton:focus-visible {
    outline: 3px solid #e4b655;
    outline-offset: 4px;
}
#contact,
#siege-social {
    scroll-margin-top: 150px;
}
#siege-social:target {
    outline: 3px solid #087451;
    outline-offset: 5px;
}
@media (max-width: 760px) {
    .gt-navigation-contact {
        width: 100%;
    }
    .entete-site .gt-navigation-bouton {
        flex: 1;
    }
    #contact,
    #siege-social {
        scroll-margin-top: 240px;
    }
}