:root {
    --pastelova-zelena: #B0D9B1; /* Hlavná farba tlačidiel */
    --tmavsia-zelena: #79AC78;   /* Farba pre hover efekty */
    --cista-biela: #F5F5F5;      /* Farba hlavného kontajnera */
    --cierna-text: #333333;      /* Predvolená farba textu */
}

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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

main.container {
    width: 90%; 
    max-width: 450px;
    
    background-color: var(--cista-biela);
    padding: 30px;
    border-radius: 12px;
    
    position: relative;
    z-index: 10;
    
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-container {
    
}

.logo {
    width: 100%; 
    height: auto;
}

.navigacia {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
}

.btn {
    background-color: var(--pastelova-zelena);
    color: var(--cierna-text);
    padding: 14px 25px; 
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: var(--tmavsia-zelena);
    color: var(--cista-biela);
}

.pozadie-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.pozadie-obrazok {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pozadie-prekrytie {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
    background-color: rgba(50, 50, 50, 0.6); 
}