/* ============================================
   BITINDA EXPRESS — Overlay Menu
   Menu plein écran professionnel
   ============================================ */

.overlay-menu {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.96);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.45s ease, visibility 0.45s ease;
}

.overlay-menu.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.overlay-menu-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
    padding: 40px 20px;
}

.overlay-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.overlay-menu-link {
    font-family: var(--font-title);
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: -0.01em;
    text-decoration: none;
    transition: all 0.3s ease;
    transform: translateY(24px);
    opacity: 0;
    transition: color 0.3s ease, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease;
}

.overlay-menu.active .overlay-menu-link {
    transform: translateY(0);
    opacity: 1;
}

.overlay-menu.active .overlay-menu-link:nth-child(1) { transition-delay: 0.06s; }
.overlay-menu.active .overlay-menu-link:nth-child(2) { transition-delay: 0.12s; }
.overlay-menu.active .overlay-menu-link:nth-child(3) { transition-delay: 0.18s; }
.overlay-menu.active .overlay-menu-link:nth-child(4) { transition-delay: 0.24s; }
.overlay-menu.active .overlay-menu-link:nth-child(5) { transition-delay: 0.3s; }

.overlay-menu-link:hover {
    color: var(--red);
}

.overlay-menu-link.active {
    color: var(--white);
}

.overlay-menu-link.active::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--red);
    margin: 6px auto 0;
    border-radius: 1px;
}

.overlay-menu-cta {
    margin-top: 28px;
    padding: 16px 32px;
    background: var(--red);
    color: var(--white);
    font-family: var(--font-title);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
    transform: translateY(24px);
    opacity: 0;
}

.overlay-menu.active .overlay-menu-cta {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0.36s;
}

.overlay-menu-cta:hover {
    background: var(--white);
    color: var(--red);
}

.overlay-menu-socials {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 28px;
}

.overlay-menu-social {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
    letter-spacing: 1px;
}

.overlay-menu-social:hover {
    color: var(--white);
}

.overlay-menu-close-text {
    position: absolute;
    top: 32px;
    right: 32px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .overlay-menu-link {
        font-size: 1.4rem;
    }
    
    .overlay-menu-socials {
        flex-direction: column;
        align-items: center;
        gap: 14px;
        bottom: 32px;
    }
}