* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #000;
    color: #fff;
}

.container {
    display: flex;
    height: 100vh;
}

.panel {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: 0.4s;
    cursor: pointer;

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.panel::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.25);
    transition: 0.4s;
}

.content {
    position: relative;
    z-index: 2;
    transition: 0.4s;
}


.logo-wrap {
    position: relative;
    margin-bottom: 30px;
}

.logo-wrap::after {
    content: "";
    display: block;
    width: 60%;
    height: 2px;
    margin: 20px auto 0;
    background: white;
    opacity: 0.85;
}

.panel.eleven .logo-wrap::after {
    background: #f46f00;
}

.panel.cla .logo-wrap::after {
    background: #af0d18;
}

.panel.linde .logo-wrap::after {
    background: #009cf9;
}

.logo {
    max-width: 70%;
    max-height: 180px;
    margin-bottom: 20px;
    transition: 0.4s;
}



.title {
    font-size: 18px;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.desc {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 25px;
}

.cta {
    font-size: 14px;
    letter-spacing: 2px;
    opacity: 0.8;
}


.panel:hover {
    transform: scale(1.03);
    z-index: 2;
    filter: brightness(1.25);
}

.panel:hover::after {
    background: rgba(0,0,0,0.08);
}

.panel:hover .logo {
    transform: scale(1.05);
}

.panel.eleven:hover {
    box-shadow: inset 0 0 80px rgba(255,106,0,0.4);
}

.panel.cla:hover {
    box-shadow: inset 0 0 80px rgba(255,0,0,0.3);
}

.panel.linde:hover {
    box-shadow: inset 0 0 80px rgba(0,170,255,0.4);
}

.panel.eleven {
    background-image: url('../img/bg_levy.jpg');
}

.panel.cla {
    background-image: url('../img/bg_stred.jpg');
}

.panel.linde {
    background-image: url('../img/bg_pravy.jpg');
}

.panel.cla .logo {
    transform: scale(1.25);
    margin-bottom: 50px; 
}

.panel.cla:hover .logo {
    transform: scale(1.3);
}

.panel.eleven .title,
.panel.eleven .cta {
    color: #f46f00;
}

.panel.linde .title,
.panel.linde .cta {
    color: #009cf9;
}

.footer {
    position: absolute;
    bottom: 15px;
    width: 100%;
    text-align: center;
    font-size: 15px;
    opacity: 0.6;
    z-index: 3;
}

@media (max-width: 900px) {
    .container {
        flex-direction: column;
        height: auto;
    }

    .panel {
        height: auto;
        padding: 40px 20px;  
    }
    
    .footer {
        position: relative;
        bottom: auto;
        padding: 30px 20px;
        margin-top: 10px;
    }
}