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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: white;
    color: black;
    overflow-x: hidden;
    width: 100%;
}

img {
    max-width: 100%;
    height: auto;
}


nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 5%;
    background-color: whitesmoke;
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo-skupina {
    display: flex;
    align-items: center;
    gap: 10px;
}

nav img {
    height: 40px;
    width: auto;
}

.logo {
    font-family: 'Oswald', sans-serif;
    font-size: 20px;
    font-weight: bold;
}

nav span {
    color: lightblue;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

nav a {
    font-family: 'Oswald', sans-serif;
    color: black;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
    transition: 0.3s;
}

nav a:hover {
    color: lightblue;
}

/* SEKCE OBECNĚ */
section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    padding: 80px 20px;
    border-bottom: 5px solid whitesmoke;
    width: 100%;
}

h1, h2, h3 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    margin-bottom: 20px;
}


.intro h1 {
    font-size: 3rem;
}


.hodiny_obal, .karta_obal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.hodiny, .karta {
    background: whitesmoke;
    padding: 20px;
    border-radius: 10px;
    width: 280px;
    border-bottom: 5px solid lightblue;
    text-align: center;
    transition: 0.3s;
}

.hodiny:hover, .karta:hover {
    transform: translateY(-10px);
    background: lightblue;
    box-shadow: 0px 10px 20px rgba(130, 232, 240, 0.5);
}

/* GALERIE */
.galerie-obal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.foto-karta {
    background: white;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    width: 300px;
}

.foto-karta img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
}


footer {
    background-color: whitesmoke;
    padding: 60px 20px;
    text-align: center;
}

footer h4 {
    font-family: 'Oswald', sans-serif;
    color: #0056b3;
    margin-bottom: 20px;
    text-transform: uppercase;
}


.mobilni-volani {
    display: none;
}


@media (max-width: 768px) {
    nav {
        flex-direction: column;
        padding: 15px;
    }

    nav ul {
        margin-top: 15px;
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav a {
        font-size: 14px;
    }

    section {
        min-height: auto;
        padding: 50px 15px;
    }

    .intro h1 {
        font-size: 2rem;
    }

    .mobilni-volani {
        display: block;
        position: fixed;
        bottom: 20px;
        right: 20px;
        background-color: #0056b3;
        color: white;
        padding: 15px 25px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        z-index: 2000;
    }
}