.feature {
    background: #fff;
    border: 0.1px solid transparent;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    transition: transform 0.3s ease,
        box-shadow 0.3s ease,
        border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* Hover effect */
.feature:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 128, 0, 0.15);
    border-color: #3b82f6;
}

/* Top & bottom green lines */
.feature::before,
.feature::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: #3b82f6;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature::before {
    top: 0;
}

.feature::after {
    bottom: 0;
}

.feature:hover::before,
.feature:hover::after {
    opacity: 1;
}

.feature img,
.feature i {
    width: 3rem;
    height: 3rem;
    font-size: 3rem;
    /* ensures <i> stays 3rem */
    line-height: 3rem;
    /* vertically centers <i> if needed */
    object-fit: contain;
    /* preserves your <img> aspect ratio */
    display: block;
    margin: 0 auto;
}