* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
                url("images/background3.jpg");
    background-size: cover;
    background-position: center;
    color: white;
    min-height: 100vh;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 20px;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(10px);
}

.logo {
    width: 150px;
    animation: spin 20s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.survey-container {
    max-width: 700px;
    margin: 40px auto;
    background: rgba(255,255,255,0.08);
    padding: 40px;
    border-radius: 15px;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

label {
    display: block;
    margin: 15px 0 8px;
}

textarea,
input[type="text"],
input[type="email"] {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: none;
    margin-bottom: 15px;
    background: rgba(255,255,255,0.08);
    color: white;
    font-family: 'Poppins', sans-serif;
}

textarea:focus,
input:focus {
    outline: none;
    box-shadow: 0 0 10px #00c6ff;
}

button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.05);
}

.hidden-section {
    display: none;
}

.option-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.option-card {
    display: block;
    padding: 14px;
    border-radius: 12px;
    background: rgba(255,255,255,0.08);
    text-align: center;
    cursor: pointer;
    transition: 0.3s ease;
}

.option-card input {
    display: none;
}

.option-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.15);
}

.option-card input:checked + span {
    color: white;
    font-weight: 600;
    text-shadow: 0 0 10px #00c6ff;
}

.option-card input:checked + span::before {
    content: "✔ ";
}
/* Modern Email Button Style */
.email-link {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 18px;
    border-radius: 25px;
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    color: white;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 198, 255, 0.4);
}

/* Hover Effect */
.email-link:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 25px rgba(0, 198, 255, 0.8);
}

/* Click Effect */
.email-link:active {
    transform: scale(0.98);
}