/* SELENIS · Shared Case Study button */
.cs-under {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 8px 14px;
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 10px;
    background: rgba(255,255,255,0.10);
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: background .25s ease, transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.cs-under:hover {
    background: rgba(255,255,255,0.24);
    border-color: rgba(255,255,255,0.34);
    box-shadow: 0 6px 16px rgba(0,0,0,0.30);
    transform: translateX(4px);
    text-decoration: none;
}

.cs-under:focus-visible {
    outline: 2px solid rgba(104,176,255,0.95);
    outline-offset: 3px;
}