/* Custom Smooth Transitions & Aesthetics */
        .glass-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }
        .hero-gradient {
            background: linear-gradient(135deg, #0B192C 0%, #1E3E62 60%, #00ADB5 100%);
        }
        .text-gradient {
            background: linear-gradient(135deg, #00ADB5 0%, #38BDF8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            text-transform: capitalize;
            text-wrap: balance;
            text-align: left;
        }

        p {
            text-align: justify;
            hyphens: auto;
        }

        .section-intro p {
            text-align: left;
        }

        #apropos p {
            text-align: left;
            hyphens: none;
        }

        #mobile-menu-btn {
            min-width: 44px;
            min-height: 44px;
        }

        @media (max-width: 639px) {
            h1 {
                font-size: clamp(1.9rem, 8vw, 2.5rem);
            }

            #projets article {
                min-width: 0;
            }
        }
/* Compact company signature inspired by the supplied reference */
.signature-card {
    overflow: hidden;
    border: 1px solid #e2e8f0;
    border-radius: 1.5rem;
    background: #fff;
    box-shadow: 0 18px 45px rgba(15, 25, 44, 0.08);
}
.signature-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
    padding: 2rem 2.25rem;
}
.signature-copy { min-width: 0; }
.signature-label {
    margin: 0 0 .55rem;
    color: #0f8b8d;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-align: left;
    text-transform: uppercase;
}
.signature-name {
    margin: 0;
    color: #0b192c;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -.02em;
    text-align: left;
}
.signature-role {
    margin: .25rem 0 1.1rem;
    color: #475569;
    font-size: .92rem;
    text-align: left;
}
.signature-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: .65rem;
    margin: 0;
    padding: 0;
    list-style: none;
}
.signature-link {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: #334155;
    font-size: .8rem;
    text-decoration: none;
    transition: color .2s ease;
}
.signature-link i { color: #0f8b8d; }
.signature-link:hover, .signature-link:focus-visible { color: #0f8b8d; }
.signature-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .9rem;
}
.signature-portrait {
    width: 7rem;
    height: 7rem;
    overflow: hidden;
    border: 4px solid #ccfbf1;
    border-radius: 50%;
    background: #e2e8f0;
    box-shadow: 0 8px 20px rgba(15, 139, 141, .2);
}
.signature-portrait img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 38%;
    transform: scale(1.03);
}
.signature-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    border-radius: .75rem;
    background: #0f8b8d;
    padding: .7rem .9rem;
    color: #fff;
    font-size: .76rem;
    font-weight: 700;
    text-decoration: none;
    transition: background .2s ease, transform .2s ease;
}
.signature-cta:hover, .signature-cta:focus-visible {
    transform: translateY(-1px);
    background: #0b6f72;
}
.signature-tagline {
    margin: 0;
    border-top: 1px solid #e2e8f0;
    padding: 1rem 2.25rem;
    color: #475569;
    font-size: .82rem;
    text-align: left;
    hyphens: none;
}
@media (max-width: 639px) {
    .signature-main { grid-template-columns: 1fr; gap: 1.4rem; padding: 1.5rem; }
    .signature-contact { flex-direction: column; gap: .6rem; }
    .signature-brand { flex-direction: row; justify-content: space-between; }
    .signature-tagline { padding: .9rem 1.5rem; }
}