.cobis-banner {
    position: relative;
    width: 100%;
    height: 30em;
    overflow: hidden;

    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.cobis-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;

    filter: brightness(0.6);
    transition: transform 0.6s ease;
}

.cobis-banner:hover img {
    transform: scale(1.05);
}

.cobis-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    text-align: center; 
    padding: 20px;

    color: white;

    background: linear-gradient(
        120deg,
        rgba(31,34,53,0.9) 40%,
        rgba(245,130,32,0.6) 100%
    );

    backdrop-filter: blur(2px);
}

.cobis-overlay h2 {
    font-size: 34px;
    margin-bottom: 10px;
    font-weight: 700;

    letter-spacing: 1px;

    text-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

.cobis-overlay p {
    font-size: 16px;
    margin-bottom: 25px;

    max-width: 600px;
    line-height: 1.6;

    opacity: 0.95;
}

.cobis-btn {
    background: linear-gradient(135deg, #f58220, #ff9a3c);
    color: white;
    padding: 13px 26px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;

    box-shadow: 0 5px 15px rgba(245,130,32,0.4);

    transition: 0.3s;
}

.cobis-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(245,130,32,0.6);
}

@media (max-width: 768px) {

    .cobis-banner {
        height: auto;
    }

    .cobis-overlay {
        padding: 25px;
        align-items: center;
        text-align: center;
    }

    .cobis-overlay h2 {
        font-size: 22px;
    }
}