body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: #0a0e1a; /* Dark Navy from Logo */
    color: #ffffff;
}

.main-banner {
    background: radial-gradient(circle at center, #1a202c 0%, #0a0e1a 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* 3D Rotating Logo */
.logo-3d-container {
    perspective: 1000px;
    margin-bottom: 20px;
}

.rotating-logo {
    width: 150px;
    filter: drop-shadow(0 0 15px rgba(192, 192, 192, 0.4));
    animation: rotateLogo 12s linear infinite;
}

@keyframes rotateLogo {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

.construction-badge {
    display: inline-block;
    border: 1px solid #c0c0c0; /* Silver Chrome */
    color: #c0c0c0;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    margin-bottom: 30px;
}

.form-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(192, 192, 192, 0.2);
    padding: 30px;
    border-radius: 12px;
    max-width: 500px;
    margin: 0 auto;
}

input, select {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(192, 192, 192, 0.3);
    color: white;
    border-radius: 5px;
    box-sizing: border-box;
}

.upload-box {
    border: 2px dashed rgba(192, 192, 192, 0.4);
    padding: 25px;
    margin-bottom: 20px;
    cursor: pointer;
    border-radius: 8px;
    transition: 0.3s;
}

.upload-box:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

.btn-submit {
    background: linear-gradient(145deg, #e6e6e6, #a1a1a1); /* Chrome Gradient */
    color: #0a0e1a;
    width: 100%;
    padding: 15px;
    border: none;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 5px;
    cursor: pointer;
}

.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.4);
}