/* Reset stylů pro základní prvky */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Hlavní tělo stránky */
body {
    font-family: 'Roboto', sans-serif;
    background-color: #e9ecef;
    color: #212529;
    line-height: 1.8;
    padding: 15px;
}

/* Nadpisy */
h1 {
    font-size: 2.8rem;
    color: #343a40;
    text-align: center;
    margin-bottom: 25px;
    font-weight: bold;
}

h3 {
    font-size: 1.6rem;
    color: #495057;
    margin-top: 25px;
    border-bottom: 2px solid #dee2e6;
    padding-bottom: 8px;
    font-weight: 500;
}

/* Seznam navigace */
ul {
    list-style-type: none;
    padding-left: 0;
    text-align: center;
    margin-bottom: 20px;
}

ul li {
    display: inline;
    margin: 0 10px;
}

ul li a {
    text-decoration: none;
    color: #007bff;
    font-size: 1rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

ul li a:hover {
    color: #0056b3;
}

/* Odkazy */
a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* Formulář */
form {
    background-color: #ffffff;
    border-radius: 5px;
    padding: 25px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 650px;
    margin: 20px auto;
}

/* Vstupní pole */
input[type="email"],
input[type="text"],
textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    font-size: 1rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    transition: border-color 0.3s ease;
}

input[type="email"]:focus,
input[type="text"]:focus,
textarea:focus {
    border-color: #80bdff;
    outline: none;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

/* Textarea */
textarea {
    resize: vertical;
    min-height: 120px;
}

/* Pohlaví - radio buttony */
input[type="radio"] {
    margin-right: 8px;
}

label {
    font-size: 1rem;
    color: #495057;
}

/* Tlačítko odeslání */
input[type="submit"] {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 12px 25px;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

input[type="submit"]:hover {
    background-color: #0056b3;
}

/* Tělo a detaily kontaktu */
p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

strong {
    font-size: 1.1rem;
    font-weight: bold;
}

/* Zápatí */
footer {
    text-align: center;
    margin-top: 30px;
    font-size: 0.85rem;
    color: #6c757d;
}