/* Blog Article Enhancements - Interactive & Visual Elements */

/* Table of Contents */
.toc-container {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-left: 4px solid var(--primary-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.toc-container h3 {
    margin-top: 0;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0 0;
}

.toc-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.toc-list li:last-child {
    border-bottom: none;
}

.toc-list a {
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.toc-list a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

/* Key Takeaways Box */
.key-takeaways {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border-left: 4px solid #f39c12;
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    box-shadow: 0 4px 12px rgba(243, 156, 18, 0.2);
}

.key-takeaways h3 {
    color: #d68910;
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.key-takeaways ul {
    margin: 1rem 0 0 0;
    padding-left: 1.5rem;
}

.key-takeaways li {
    margin: 0.75rem 0;
    line-height: 1.6;
}

/* Info Boxes */
.info-box {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    border-left: 4px solid #17a2b8;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    box-shadow: 0 2px 8px rgba(23, 162, 184, 0.2);
}

.info-box.warning {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    border-left: 4px solid #dc3545;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.2);
}

.info-box.success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    border-left: 4px solid #28a745;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.2);
}

.info-box h4 {
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin: 0.5rem 0;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.comparison-table th {
    padding: 1.25rem;
    text-align: left;
    font-weight: 600;
}

.comparison-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #e9ecef;
    background: white;
}

.comparison-table tbody tr:hover {
    background: var(--background-light);
}

.comparison-table .check {
    color: #28a745;
    font-weight: bold;
    font-size: 1.2rem;
}

.comparison-table .cross {
    color: #dc3545;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Checklist */
.checklist {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 2rem 0;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 8px;
    transition: background 0.3s ease;
    cursor: pointer;
}

.checklist-item:hover {
    background: var(--background-light);
}

.checklist-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 2px;
    position: relative;
}

.checklist-checkbox::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    color: white;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.checklist-item input[type="checkbox"] {
    display: none;
}

.checklist-item input[type="checkbox"]:checked + .checklist-checkbox {
    background: var(--primary-color);
}

.checklist-item input[type="checkbox"]:checked + .checklist-checkbox::after {
    transform: translate(-50%, -50%) scale(1);
}

/* Process Steps */
.process-steps {
    margin: 3rem 0;
}

.step {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.step-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.2;
    flex-shrink: 0;
    width: 80px;
    text-align: center;
}

.step-content h3 {
    margin-top: 0;
    color: var(--primary-color);
}

/* Quote Box */
.quote-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    position: relative;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.quote-box::before {
    content: '"';
    font-size: 6rem;
    position: absolute;
    top: -20px;
    left: 20px;
    opacity: 0.3;
    font-family: Georgia, serif;
}

.quote-box p {
    font-size: 1.2rem;
    font-style: italic;
    margin: 0 0 1rem 0;
    position: relative;
    z-index: 1;
}

.quote-author {
    font-weight: 600;
    font-style: normal;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Progress Bar */
.progress-container {
    background: #e9ecef;
    height: 8px;
    border-radius: 10px;
    margin: 1rem 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 10px;
    transition: width 0.5s ease;
}

/* Accordion FAQ Enhancement */
.faq-item {
    background: white;
    margin: 1rem 0;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--primary-color);
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--background-light);
}

.faq-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

/* Cost Calculator */
.cost-calculator {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin: 2rem 0;
}

.calculator-input {
    margin: 1.5rem 0;
}

.calculator-input label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.calculator-input select,
.calculator-input input[type="range"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.calculator-input select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.calculator-result {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 2rem;
}

.calculator-result .result-amount {
    font-size: 3rem;
    font-weight: 700;
    margin: 1rem 0;
}

/* Tabs */
.tabs-container {
    margin: 2rem 0;
}

.tabs-nav {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid #e9ecef;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-button {
    padding: 1rem 2rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-light);
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.tab-button:hover {
    color: var(--primary-color);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
    margin: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin: 2rem 0;
}

.timeline-dot {
    position: absolute;
    left: 18px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: white;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 0 4px rgba(31, 78, 121, 0.1);
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.timeline-content h4 {
    margin-top: 0;
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        gap: 1rem;
    }
    
    .step-number {
        width: 100%;
        text-align: left;
    }
    
    .tabs-nav {
        flex-direction: column;
    }
    
    .tab-button {
        width: 100%;
        text-align: left;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-dot {
        left: 3px;
    }
}