*{

    margin:0;

    padding:0;

    box-sizing:border-box;

    font-family:Arial,sans-serif;

}



body{

    background:#0a0a0a;

    color:white;

}



header{

    position:sticky;

    top:0;

    background:#000;

    padding:15px 40px;

    display:flex;

    justify-content:space-between;

    align-items:center;

    border-bottom:1px solid #222;

    z-index:999;

}



.logo img{

    height:60px;

}



nav a{

    color:white;

    text-decoration:none;

    margin:0 15px;

    font-weight:bold;

}



nav a:hover{

    color:#e10600;

}



.call-btn{

    background:#e10600;

    color:white;

    padding:14px 22px;

    border-radius:8px;

    text-decoration:none;

    font-weight:bold;

}



.hero {

    min-height: 50vh;

    display: flex;

    align-items: center;

    padding: 50px;

    background: 

        linear-gradient(rgba(0,0,0,.5), rgba(0,0,0,.5)),

        url('../img/hero.jpg');

    background-size: cover;

    background-position: center;

    

    /* Zaoblení */

    border-radius: 30px;

    overflow: hidden;



    /* Vycentrování bloku */

    margin: 20px auto; /* 20px nahoře/dole, auto se postará o střed zleva i zprava */

    width: 95%;        /* Aby bylo vycentrování vidět, nesmí mít blok 100% šířku */

    max-width: 1400px; /* Volitelné: aby nebyl na ultraširokých monitorech moc roztažený */

}



.hero-content{

    max-width:800px;

}



.hero h1{

    font-size:60px;

    margin-bottom:20px;

    text-transform: uppercase;

}



.red{

    color:#e10600;

}



.hero p{

    font-size:22px;

    color:#ddd;

    margin-bottom:30px;

}



.btn{

    display:inline-block;

    padding:15px 25px;

    text-decoration:none;

    border-radius:8px;

    margin-right:15px;

    font-weight:bold;

}



.primary{

    background:#e10600;

    color:white;

}



.secondary{

    border:2px solid white;

    color:white;

}



section{

    max-width:1300px;

    margin:auto;

    padding:80px 40px;

}



h2{

    text-align:center;

    font-size:42px;

    margin-bottom:50px;

}



.grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));

    gap:25px;

}



.card{

    background:#111;

    border-radius:12px;

    overflow:hidden;

    border:1px solid #222;

}



.card img{

    width:100%;

    height:230px;

    object-fit:cover;

}



.card-content{

    padding:25px;

}



.card h3{

    margin-bottom:10px;

}



.card p{

    color:#bbb;

}



.gallery img{

    width:100%;

    height:280px;

    object-fit:cover;

    border-radius:12px;

}



.contact{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:40px;

}



.contact-box, form{

    background:#111;

    padding:30px;

    border-radius:12px;

}



input, textarea{

    width:100%;

    padding:15px;

    margin-bottom:15px;

    border:none;

    border-radius:8px;

    background:#1b1b1b;

    color:white;

}



button{

    width:100%;

    padding:15px;

    background:#e10600;

    color:white;

    border:none;

    border-radius:8px;

    font-size:16px;

    cursor:pointer;

}



iframe{

    width:100%;

    height:300px;

    border:none;

    border-radius:12px;

    margin-top:20px;

}



footer{

    background:#000;

    text-align:center;

    padding:30px;

    color:#888;

    margin-top:40px;

}



@media(max-width:900px){

    header{

        flex-direction:column;

        gap:20px;

    }



    .hero{

        padding:40px 20px;

        text-align:center;

    }



    .hero h1{

        font-size:42px;

    }



    .contact{

        grid-template-columns:1fr;

    }

}