/* Enhanced Content and Marketing Styles for QUANTUM TOOLS */

/* Enhanced Newsletter Section */
.newsletter {
    background: linear-gradient(135deg, 
        rgba(0, 240, 255, 0.1) 0%, 
        rgba(255, 0, 255, 0.1) 50%, 
        rgba(0, 255, 127, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.newsletter::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.newsletter-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-header h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    background: linear-gradient(45deg, var(--accent-color-1), var(--accent-color-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.newsletter-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.enhanced-newsletter-form {
    background: var(--glass-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--card-border);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color-1);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.form-group input.error {
    border-color: #ff4757;
}

.email-validation-msg {
    position: absolute;
    top: 100%;
    left: 20px;
    font-size: 0.85rem;
    margin-top: 5px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.email-validation-msg.error {
    color: #ff4757;
    opacity: 1;
}

.preferences-group {
    text-align: left;
    margin-bottom: 25px;
}

.preferences-group h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1rem;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.checkbox-group label:hover {
    color: var(--text-primary);
}

.checkbox-group input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--accent-color-1);
    border-radius: 4px;
    position: relative;
    cursor: pointer;
    margin: 0;
}

.checkbox-group input[type="checkbox"]:checked {
    background: var(--accent-color-1);
}

.checkbox-group input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary-bg);
    font-weight: bold;
    font-size: 12px;
}

.newsletter-btn {
    background: linear-gradient(45deg, var(--accent-color-1), var(--accent-color-2));
    border: none;
    color: var(--primary-bg);
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
}

.newsletter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.4);
}

.newsletter-btn.loading .btn-text {
    opacity: 0;
}

.newsletter-btn.loading .btn-loading {
    opacity: 1;
}

.btn-loading {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.privacy-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.newsletter-success {
    display: none;
    text-align: center;
    padding: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.newsletter-success i {
    font-size: 3rem;
    color: #2ecc71;
    margin-bottom: 20px;
}

.newsletter-success h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.newsletter-success p {
    color: var(--text-secondary);
}

/* Blog Section */
.blog-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.blog-card {
    background: var(--glass-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.blog-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color-1);
    box-shadow: 0 20px 40px rgba(0, 240, 255, 0.2);
}

.blog-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--accent-color-1);
    color: var(--primary-bg);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-content {
    padding: 25px;
}

.blog-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.blog-title {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.blog-read-more {
    color: var(--accent-color-1);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.blog-read-more:hover {
    gap: 10px;
    color: var(--accent-color-2);
}

.blog-cta {
    text-align: center;
    margin-top: 50px;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent-color-1);
    color: var(--accent-color-1);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: var(--accent-color-1);
    color: var(--primary-bg);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 240, 255, 0.3);
}

/* Social Share Buttons */
.social-share {
    margin-top: 30px;
    padding: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.social-share h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1rem;
}

.share-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.share-btn {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 8px 15px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
}

.share-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-color-1);
    transform: translateY(-2px);
}

.share-btn.twitter:hover {
    background: #1da1f2;
    color: white;
    border-color: #1da1f2;
}

.share-btn.facebook:hover {
    background: #4267B2;
    color: white;
    border-color: #4267B2;
}

.share-btn.linkedin:hover {
    background: #0077b5;
    color: white;
    border-color: #0077b5;
}

.share-btn.copy-link:hover {
    background: var(--accent-color-1);
    color: var(--primary-bg);
    border-color: var(--accent-color-1);
}

/* Tool Tooltip */
.tool-tooltip {
    position: absolute;
    background: var(--glass-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 20px;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 300px;
    z-index: 1000;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.tool-tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

.tooltip-content h4 {
    color: var(--accent-color-1);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.tooltip-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0;
}

.tooltip-content li {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 3px 0;
    padding-left: 15px;
    position: relative;
}

.tooltip-content li::before {
    content: '•';
    color: var(--accent-color-1);
    position: absolute;
    left: 0;
}

/* Tutorial Button */
.tutorial-btn {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--accent-color-1);
    border: none;
    padding: 8px 12px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.8);
}

.tool-card:hover .tutorial-btn {
    opacity: 1;
    transform: scale(1);
}

.tutorial-btn:hover {
    background: var(--accent-color-1);
    color: var(--primary-bg);
    transform: scale(1.05);
}

/* Testimonials Section */
.testimonials-section {
    padding: 80px 0;
    background: linear-gradient(135deg, 
        rgba(0, 240, 255, 0.05) 0%, 
        rgba(255, 0, 255, 0.05) 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.testimonial-card {
    background: var(--glass-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 25px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color-1);
    box-shadow: 0 15px 35px rgba(0, 240, 255, 0.15);
}

.testimonial-content {
    margin-bottom: 20px;
}

.stars {
    color: #ffd700;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.testimonial-content p {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.6;
    font-size: 1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--accent-color-1);
}

.author-info h4 {
    color: var(--text-primary);
    margin: 0 0 5px 0;
    font-size: 1rem;
}

.author-info span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .newsletter-header h2 {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 5px;
    }
    
    .enhanced-newsletter-form {
        padding: 20px;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .share-buttons {
        justify-content: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-tooltip {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        max-width: 90%;
    }
}

/* Light Theme Adjustments */
.light-theme .enhanced-newsletter-form,
.light-theme .blog-card,
.light-theme .social-share,
.light-theme .testimonial-card,
.light-theme .tool-tooltip {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(0, 102, 204, 0.2);
}

.light-theme .newsletter-header h2,
.light-theme .blog-title,
.light-theme .testimonial-author h4 {
    color: var(--text-primary-light, #333);
}

.light-theme .form-group input {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary-light, #333);
}

.light-theme .checkbox-group label,
.light-theme .blog-excerpt,
.light-theme .testimonial-content p {
    color: var(--text-secondary-light, #666);
}