body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f9;
    color: #333;
}

header {
    background: #1a73e8;
    color: white;
    padding: 60px 0;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 12px;
    text-decoration: none;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: auto;
}

.about, .features {
    margin: 40px 0;
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

button {
    background: #1a73e8;
    color: white;
    padding: 10px 18px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background: #155fc2;
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

.logo {
    height: 70px;             /* veľkosť loga */
    margin-bottom: 10px;
}

header .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.responsive-banner img {
    width: 100%;
    height: auto;
    max-height: 350px; /* nejde cez túto výšku */
    object-fit: cover;
}