/* Základný reset a fonty */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hlavička (Header) */
header {
    background-color: #0056b3; /* Tmavomodrá farba */
    color: #fff;
    padding: 60px 0;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

    header h1 {
        font-size: 2.5rem;
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2rem;
        opacity: 0.9;
    }

/* Hlavný obsah a karty s tipmi */
main {
    padding: 40px 0;
}

h2 {
    color: #0056b3;
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px solid #0056b3;
    display: inline-block;
    padding-bottom: 10px;
    margin-left: 50%;
    transform: translateX(-50%);
}

.tip-card {
    background: #fff;
    margin-bottom: 25px;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

    .tip-card:hover {
        transform: translateY(-5px);
    }

    .tip-card h3 {
        color: #d9534f; /* Výrazná červená farba pre tipy */
        margin-bottom: 15px;
        font-size: 1.4rem;
    }

    .tip-card p {
        font-size: 1rem;
        color: #555;
    }

/* Pätička (Footer) */
footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 20px;
}

    footer p {
        font-size: 0.9rem;
    }

/* Responzívny dizajn pre menšie obrazovky */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .tip-card {
        padding: 20px;
    }
}