/* Infrastructure dropdown — airy 2-column cards */

.cs-nav > .cs-nav-item-has-dropdown > .cs-nav-mega {
    position: absolute;
    top: 100%;
    left: 50%;
    width: min(620px, calc(100vw - 36px));
    margin-top: 10px;
    padding: 0;
    background: #fff;
    border-radius: 20px;
    border: 1px solid rgba(var(--cs-rgb-olive), 0.12);
    box-shadow: 0 24px 56px rgba(35, 45, 28, 0.11);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-50%) translateY(10px);
    transition:
        opacity 0.22s ease,
        transform 0.26s cubic-bezier(0.16, 1, 0.3, 1),
        visibility 0.22s ease;
    z-index: 10050;
    overflow: hidden;
}

.cs-nav > .cs-nav-item-has-dropdown.is-open > .cs-nav-mega,
.cs-nav > .cs-nav-item-has-dropdown:hover > .cs-nav-mega,
.cs-nav > .cs-nav-item-has-dropdown:focus-within > .cs-nav-mega {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.cs-nav-mega-head {
    padding: 22px 28px 18px;
    border-bottom: 1px solid var(--cs-line);
    background: linear-gradient(
        180deg,
        rgba(var(--cs-rgb-lime), 0.1) 0%,
        #fff 100%
    );
}

.cs-nav-mega-kicker {
    display: block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cs-olive);
}

.cs-nav-mega-title {
    margin: 6px 0 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--cs-olive-dark);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.cs-nav-mega-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    padding: 22px 28px 26px;
}

.cs-nav-mega-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    text-decoration: none;
    border-radius: 14px;
    border: 1px solid var(--cs-line);
    background: var(--cs-bg-soft);
    box-shadow: 0 2px 8px rgba(35, 45, 28, 0.04);
    transition:
        background-color 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.22s ease,
        transform 0.22s ease;
}

.cs-nav-mega-link:nth-child(5) {
    grid-column: 1 / -1;
}

.cs-nav-mega-link:hover {
    transform: translateY(-2px);
    background: #fff;
    border-color: rgba(var(--cs-rgb-lime), 0.55);
    box-shadow: 0 10px 24px rgba(var(--cs-rgb-olive), 0.1);
}

.cs-nav-mega-link.is-active {
    background: rgba(var(--cs-rgb-lime), 0.14);
    border-color: rgba(var(--cs-rgb-olive), 0.22);
    box-shadow: 0 0 0 2px rgba(var(--cs-rgb-lime), 0.25);
}

.cs-nav-mega-link-media {
    flex: 0 0 54px;
    width: 54px;
    height: 54px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(var(--cs-rgb-olive), 0.1);
    background: var(--cs-bg-muted);
}

.cs-nav-mega-link-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.cs-nav-mega-link:hover .cs-nav-mega-link-media img {
    transform: scale(1.06);
}

.cs-nav-mega-link-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.cs-nav-mega-link-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--cs-olive-dark);
    line-height: 1.25;
}

.cs-nav-mega-link-desc {
    font-size: 12px;
    line-height: 1.45;
    color: var(--cs-muted);
}

.cs-nav-mega-link::after {
    content: '›';
    flex-shrink: 0;
    font-size: 22px;
    font-weight: 500;
    line-height: 1;
    color: rgba(var(--cs-rgb-olive), 0.35);
    transition: transform 0.2s ease, color 0.2s ease;
}

.cs-nav-mega-link:hover::after {
    transform: translateX(4px);
    color: var(--cs-olive-dark);
}

.cs-nav-mega-foot {
    display: block;
    padding: 14px 28px 18px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    color: var(--cs-olive-dark);
    text-decoration: none;
    border-top: 1px solid var(--cs-line);
    background: var(--cs-bg-muted);
    transition: background-color 0.2s ease;
}

.cs-nav-mega-foot:hover {
    background: rgba(var(--cs-rgb-lime), 0.18);
    color: var(--cs-olive-dark);
}

@media (max-width: 1024px) {
    .cs-nav > .cs-nav-item-has-dropdown > .cs-nav-mega {
        display: none !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .cs-nav-mega-link,
    .cs-nav-mega-link-media img {
        transition: none;
    }
}