body {
    font-family: Arial, sans-serif;
    color: white;
    margin: 0;
    padding: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: rgba(25, 38, 38, 0.5);
}
.logo {
    width: 100px;
}
nav ul {
    list-style: none;
    display: flex;
    margin: 0;
}
nav ul li {
    margin: 0 15px;
}
nav a, .login-form input, .login-form button {
    color: rgb(248, 245, 244);
    text-decoration: none;
    transition: color 0.3s;
}
nav a:hover, .login-form input:hover, .login-form button:hover {
    color: orange;
}
.marquee {
    background: rgba(41, 41, 40, 0.7);
    padding: 10px;
    text-align: center;
}
.slider, .testimonials {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}
.slider img, .testimonials div {
    width: 100%;
    height: 100%;
    display: none;
}
.slider img.active, .testimonials div.active {
    display: block;
}
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    padding: 20px;
}
.gallery-item {
    text-align: center;
}
.contact-form input, .contact-form select, .contact-form textarea, .contact-form button {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 10px;
    color: black;
}
.contact-form button {
    background: orange;
    border: none;
    cursor: pointer;
}
.footer {
    background: rgba(54, 54, 54, 0.8);
    padding: 10px;
    text-align: center;
    position: relative;
}
.flipboard {
    display: inline-block;
    perspective: 1000px;
}
.flipboard:hover .flip-inner {
    transform: rotateY(180deg);
}
.flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: left;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}
.flip-front, .flip-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}
.flip-back {
    transform: rotateY(180deg);
}
@media (max-width: 768px) {
    nav ul { flex-direction: column; }
}