* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, sans-serif;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 10px 20px;
    color: black;
}
.logo img {
    height: 40px;
}
.menu {
    list-style: none;
    display: flex;
    gap: 15px;
}
.menu li a {
    color: black;
    text-decoration: none;
}
.hamburger {
    display: none;
    font-size: 24px;
    cursor: pointer;
}
.hero {
    background: url('../img/bg.jpg') center/cover no-repeat;
    padding: 100px 20px;
    text-align: center;
}
.overlay {
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 30px;
    border-radius: 10px;
}
.oferta, .realizacje, .onas, .kontakt {
    padding: 30px 20px;
    text-align: center;
}
.kategorie {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}
.kategoria {
    padding: 10px 20px;
    background: white;
    color: white;
    border-radius: 5px;
    text-decoration: none;
}
.galeria {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}
.galeria img {
    width: 25%;
    border-radius: 15px;
    cursor: pointer;
    transition: transform 0.3s;
}
.galeria img:hover {
    transform: scale(1.05);
}
form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    margin: 20px auto;
}
input, textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    padding: 10px;
    background: white;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background: darkorange;
}
iframe {
    width: 100%;
    height: 300px;
    border: none;
    margin-top: 20px;
}
#lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.lightbox-img {
    max-width: 90%;
    max-height: 80%;
    border: 5px solid white;
    border-radius: 10px;
}
@media (max-width: 768px) {
    .menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 10px;
        right: 60px;
       
        width: 20%;
        z-index: 100;
    }
    .menu.active {
        display: flex;
    }
    .hamburger {
        display: block;
    }
    .galeria img {
        width: 90%;
    }
}
.kontakt-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: center;
  align-items: flex-start;
  margin-bottom: 40px;
  flex-direction: row;
}
.glass {
    display: inline-block;
    padding: 10px 30px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(50, 50, 50, 0.60);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

}