/* Fullscreen menu overlay */
.fullscreen-menu {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at top right, rgba(var(--accent-rgb), 0.24), transparent 32%),
        linear-gradient(180deg, rgba(32, 39, 49, 0.26), rgba(32, 39, 49, 0)),
        #13171d;
    color: var(--text-primary);
    display: none;
    z-index: 1050;
    padding: 2.5rem 3rem;
    /* subtle vertical grid lines */
    background-image: linear-gradient(
        to right,
        rgba(var(--accent-rgb), 0.12) 1px,
        transparent 1px
    );
    background-size: 80px 100%;
}

/* activated from JS by toggling .open */
.fullscreen-menu.open {
    display: block;
}

/* Close button (top-right) */
.fullscreen-menu-close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.75rem;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--surface-border-strong);
    background: var(--button-bg);
    color: var(--accent-color);
    font-size: 1.2rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* Left column: big menu */
.fullscreen-menu-nav {
    text-align: left;
}

.fullscreen-menu-link {
    display: inline-block;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text-primary);
    font-size: clamp(1.9rem, 2.6vw, 2.8rem);
    letter-spacing: 0.06em;
    line-height: 1.1;
}

.fullscreen-menu-link:hover {
    color: var(--accent-color);
}

/* Right column: contact block */
.fullscreen-menu-contact {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
}

.fullscreen-menu-contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--surface-border);
    color: var(--accent-color);
    background: rgba(32, 39, 49, 0.96);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.fullscreen-menu-contact-title {
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.fullscreen-menu-contact-email a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.fullscreen-menu-contact-email a:hover {
    text-decoration: underline;
}

/* Hide header & footer visually when menu is open (already used) */
body.menu-open .luna-header,
body.menu-open .luna-footer {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

/* Mobile tweaks */
@media (max-width: 991.98px) {
    .fullscreen-menu {
        padding: 2rem 1.5rem;
    }

    .fullscreen-menu-contact {
        margin-top: 2rem;
    }
}