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

header {
    background-color: #444;
    padding: 35px 10px 5px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header .prvni {
    font-size: 2.2rem;
    left: 20%;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

header nav {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}


header a {
    margin-left: 60%;
    color: #fff;
    text-decoration: none;
    margin: 0 20px;
    font-size: 1rem;
    text-transform: uppercase;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

header a:hover {
    color: #ffa500;
}

.hero {
    position: relative;
    text-align: left;
}

.hero img {
    width: 100%;
    height: 70%;
}

.hero-text {
    transform: translate(-50%, -50%);
    color: #f5f4f4;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    position: absolute;
    top: 30%;
    left: 30%;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    text-align: left;
    padding: 0 10px;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin: 0;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-weight: 100;
    text-shadow: none;
}

.hero-text p {
    font-size: 1.5rem;
    margin: 10px 0 20px;
    margin: 10px 0 20px;
    font-family: Geneva, Verdana, sans-serif;
    font-weight: 100;
    text-shadow: none;
}

.hero-text button {
    background-color: #ffa500;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
    
}

.hero-text button:hover {
    background-color: #ffa500;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: clamp(12px, 2.5vw, 16px);
}

.content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px;
}

.content div p {
    font-size: larger;
}

.content div ul {
    font-size: larger;
}

.content>div {
    background-color: #444;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
}

.content h3 {
    margin-top: 0;
    font-size: 1.5rem;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

.content div img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 10px;
}

.content div ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.content div ul li {
    margin: 10px 0;
    line-height: 1.6;
}

.clients div {
    display: flex;
    align-items: center;
    margin: 10px 0;
}

.clients div img {
    width: 70px;
    height: 90px;
    border-radius: 50%;
    margin-right: 10px;
}

footer {
    background-color: #222;
    text-align: center;
    padding: 15px;
}

footer p {
    margin: 0;
    font-size: 0.875rem;
}

/* Responzivita */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    header nav {
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }

    .hero-text {
        top: 40%;
        left: 50%;
        transform: translate(-50%, -40%);
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 10px 15px;
    }

    .hero-text h1 {
        font-size: 1.8rem;
    }

    .hero-text p {
        font-size: 0.9rem;
    }

    .hero-text button {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    footer {
        font-size: 0.75rem;
    }
}