/**
 * BullTech Mega Menu Refine CSS
 * Full-bleed panels + boxed inner container
 */

/* Reset liste */
.bt-mega-panel ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.bt-mega-panel li {
    margin: 0.4rem 0;
}

/* Tipografia & link */
.bt-mega-panel h4 {
    font-size: clamp(0.95rem, 0.3vw + 0.9rem, 1.1rem);
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bt-mega-panel a {
    text-decoration: none;
    font-weight: 500;
    color: #4b5563;
    display: block;
    padding: 0.5rem 0;
    transition: all 0.2s ease;
}

.bt-mega-panel a:hover,
.bt-mega-panel a:focus {
    color: var(--primary, #2563eb);
    transform: translateX(4px);
}

/* Griglia colonne */
.bt-mega-grid {
    display: grid;
    gap: clamp(16px, 2vw, 24px);
}

@media (min-width: 1024px) {
    .bt-mega-grid.cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .bt-mega-grid.cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Pannello animato + anti-jitter */
.bt-mega-panel {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    width: 100%;
    background: #fff;
    border-top: 1px solid #e5e7eb;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    opacity: 0;
    transform: translateY(8px);
    visibility: hidden;
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    z-index: 998;
}

.menu-item.has-mega.is-open .bt-mega-panel,
.menu-item.has-mega:hover .bt-mega-panel {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

/* Full-bleed + boxed interno */
.bt-mega-panel .bt-container {
    max-width: 1280px;
    margin-inline: auto;
    padding: 40px clamp(16px, 2vw, 24px);
}

/* Riduzione motion */
@media (prefers-reduced-motion: reduce) {
    .bt-mega-panel {
        transition: none;
        transform: none;
    }
}

/* Header sticky */
.bt-header-elementor,
.elementor-location-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.bt-header-elementor.scrolled {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Fix Elementor nav menu widget */
.elementor-nav-menu--main .elementor-item {
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.elementor-nav-menu--main .elementor-item:hover {
    background: #f9fafb;
    color: #2563eb;
}

/* Dropdown arrow per mega items */
.has-mega > a::after {
    content: "";
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 4px;
    vertical-align: middle;
    border-top: 4px solid;
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
    transition: transform 0.2s ease;
}

.has-mega.is-open > a::after {
    transform: rotate(180deg);
}

/* Mobile: niente mega, solo off-canvas */
@media (max-width: 1023px) {
    .bt-mega-panel {
        display: none !important;
    }
    
    /* Mobile nav button */
    .elementor-menu-toggle {
        background: none;
        border: none;
        padding: 8px;
        cursor: pointer;
    }
    
    /* Off-canvas styles */
    .elementor-nav-menu--dropdown {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background: white;
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1001;
        overflow-y: auto;
    }
    
    .elementor-nav-menu--dropdown.elementor-active {
        right: 0;
    }
}

/* Focus ring per accessibilità */
.elementor-item:focus,
.bt-mega-panel a:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* Overlay scuro quando mega è aperto */
.mega-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 997;
}

.mega-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Pulizia header duplicati */
.bt-header:not(.bt-header-elementor) {
    display: none !important;
}

/* Fix container Elementor */
.e-con > .e-con {
    max-width: unset;
    padding-inline: 0;
}