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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: #1a1a1a;
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    opacity: 0.7;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.card {
    position: relative;
    z-index: 10;
    background: transparent;
    text-align: center;
    padding: 30px 20px;
    max-width: 500px;
    width: 100%;
}

.card.hidden {
    display: none;
}

/* Logo */
.logo {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.logo-naughty {
    color: #fff;
}

.logo-icon {
    color: #e85a6b;
    margin: 0 2px;
}

.logo-talk {
    color: #fff;
}

/* Tagline */
.tagline {
    color: #e85a6b;
    font-size: 1.8rem;
    font-weight: 600;
    font-style: italic;
    margin-bottom: 30px;
    line-height: 1.3;
}

/* Card Content */
.card-content {
    background: #fff;
    border-radius: 12px;
    padding: 30px 40px;
    margin-bottom: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.question {
    color: #333;
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 25px;
}

/* Age Verification Buttons */
.age-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-age {
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.btn-yes {
    background: #3b82f6;
    color: #fff;
    border-color: #3b82f6;
}

.btn-yes:hover {
    background: #2563eb;
    border-color: #2563eb;
}

.btn-no {
    background: #fff;
    color: #666;
    border-color: #ddd;
}

.btn-no:hover {
    background: #f5f5f5;
    border-color: #ccc;
}

/* Gender Buttons */
.gender-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.btn-gender {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 25px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #fff;
    color: #333;
    border: 2px solid #ddd;
}

.btn-gender:hover {
    border-color: #3b82f6;
}

.btn-gender.selected {
    background: #3b82f6;
    color: #fff;
    border-color: #3b82f6;
}

.gender-icon {
    font-size: 1.3rem;
}

/* Next Button */
.btn-next {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 1px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #e85a6b;
    color: #fff;
}

.btn-next:hover {
    background: #d64a5b;
}

/* Steps Indicator */
.steps {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.step {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    background: #fff;
    color: #999;
}

.step.active {
    background: #e85a6b;
    color: #fff;
}

/* Footer Links */
.footer-links {
    display: flex;
    justify-content: center;
    gap: 50px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
}

/* Hidden SEO Content */
details, summary {
    list-style: none;
}

details summary {
    display: none;
}

details summary::-webkit-details-marker {
    display: none;
}

details article {
    position: relative;
    z-index: 5;
    max-width: 900px;
    margin: 60px auto;
    padding: 40px 20px;
    text-align: left;
    color: #fff;
}

details article h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #e85a6b;
}

details article h2 {
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #e85a6b;
}

details article h3 {
    font-size: 1.2rem;
    margin-top: 20px;
    margin-bottom: 10px;
    color: #fff;
}

details article p {
    margin-bottom: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
}

details article ul {
    margin: 15px 0;
    padding-left: 25px;
    color: rgba(255, 255, 255, 0.85);
}

details article li {
    margin-bottom: 8px;
    line-height: 1.6;
}

details article strong {
    color: #fff;
}

/* Responsive */
@media (max-width: 500px) {
    .logo {
        font-size: 2.2rem;
    }
    
    .tagline {
        font-size: 1.5rem;
    }
    
    .card-content {
        padding: 25px 20px;
    }
    
    .gender-buttons {
        flex-direction: column;
    }
}