/* Landing */

.etn-nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    padding: 2rem 1rem; /* mobile spacing */
    box-sizing: border-box;
    text-align: center;
}

.etn-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.etn-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    width: 100%;
    max-width: 300px;
    background-color: rgba(20, 34, 47, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #cdeef5;
    text-shadow: 0 0 4px rgba(125, 211, 252, 0.4);
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    box-shadow: 0 0 4px rgba(125, 211, 252, 0.1);
}

.etn-nav-btn:hover {
    background-color: rgba(29, 46, 66, 0.75);
    color: #ffffff;
    text-shadow: 0 0 6px rgba(173, 255, 255, 0.6); /* brighter shimmer */
    box-shadow: 0 0 12px rgba(125, 211, 252, 0.4);
    transform: scale(1.06)
}

.etn-icon {
    width: 1.25rem;
    height: 1.25rem;
    fill: #89c6dc; /* soft blue icon fill */
}

.etn-link-button {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    color: #a0cbdc; /* icy gray-blue */
    cursor: pointer;
    transition: color 0.2s ease-in-out;
}

.etn-link-button:hover {
    color: #7dd3fc; /* frosty hover blue */
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .etn-nav-btn {
        flex-direction: column;
        padding: 1rem;
        font-size: 0.95rem;
    }

    .etn-icon {
        width: 1.75rem;
        height: 1.75rem;
    }
}

@media (min-width: 768px) {
    .etn-nav {
        flex-direction: row;
        gap: 1.5rem;
    }

    .etn-nav-btn {
        max-width: none;
    }
}