/* Content Sections */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.content-section {
    padding: 4rem 0;
}

.content-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.content-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.section-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-intro strong {
    color: #2563eb;
    font-weight: 600;
}

/* Content Grid */
.content-grid {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.content-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* Card Header */
.card-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-icon svg {
    width: 24px;
    height: 24px;
    color: white;
    stroke-width: 2;
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
    line-height: 1.3;
}

/* Card Content */
.card-content {
    color: #555;
    line-height: 1.7;
}

.card-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 1.5rem 0 1rem 0;
}

.card-content h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 1.2rem 0 0.5rem 0;
}

.card-content p {
    margin-bottom: 1rem;
}

.card-content strong {
    color: #2563eb;
    font-weight: 600;
}

/* Feature Lists */
.feature-list {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.feature-list ul {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 0;
}

.feature-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #555;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.feature-list li:last-child {
    margin-bottom: 0;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, #667eea20 0%, #764ba220 100%);
    border: 1px solid #667eea40;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.highlight-box strong {
    color: #1a1a1a;
    display: block;
    margin-bottom: 0.5rem;
}

/* Tech Detail Section */
.tech-detail {
    background: #f1f5f9;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

/* Environment Grid */
.environment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.5rem;
    margin-top: 1rem;
}

.env-item {
    padding: 0.75rem;
    background: white;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #555;
    border: 1px solid #e5e7eb;
}

/* Full Width Cards */
.content-card.full-width {
    grid-column: 1 / -1;
}

/* Dual Column Layout */
.dual-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

/* Data Source List */
.data-source-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.data-source {
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    font-size: 0.9rem;
    color: #555;
}

.data-source strong {
    color: #1a1a1a;
    display: block;
    margin-bottom: 0.25rem;
}

/* Network Grid */
.network-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.network-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.network-icon {
    font-size: 1.2rem;
}

.network-item strong {
    color: #1a1a1a;
}

/* Database Section */
.database-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.database-item {
    padding: 1.5rem;
    background: #f1f5f9;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.database-item h4 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.database-item p {
    color: #555;
    line-height: 1.6;
    margin: 0;
}

/* Accuracy Grid */
.accuracy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.accuracy-section h4 {
    color: #1a1a1a;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.factor-group {
    margin-bottom: 1.5rem;
}

.factor-group h5 {
    color: #1a1a1a;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.accuracy-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.accuracy-item {
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 6px;
    border-left: 3px solid #10b981;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.accuracy-label {
    font-weight: 600;
    color: #1a1a1a;
    min-width: 100px;
}

.accuracy-value {
    font-weight: 600;
    color: #059669;
    background: #d1fae5;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.accuracy-desc {
    color: #555;
    font-size: 0.9rem;
}

/* International Section */
.international-section {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.international-item {
    padding: 1.5rem;
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    border-radius: 12px;
    border: 1px solid #667eea20;
}

.international-item h4 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.international-item p {
    color: #555;
    line-height: 1.6;
    margin: 0;
}

/* Platform List */
.platform-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.platform-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.platform-icon {
    font-size: 1.2rem;
}

.platform-item strong {
    color: #1a1a1a;
}

/* API Section */
.api-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.api-column h4 {
    color: #1a1a1a;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.api-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.api-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #f1f5f9;
    border-radius: 8px;
    border-left: 4px solid #10b981;
}

.api-icon {
    font-size: 1.1rem;
}

.api-item strong {
    color: #1a1a1a;
}

.database-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.db-feature {
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    color: #555;
}

.db-feature strong {
    color: #1a1a1a;
}

/* Privacy Grid */
.privacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.privacy-section h4 {
    color: #1a1a1a;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid #dc2626;
    padding-bottom: 0.5rem;
}

.security-measures {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #fef2f2;
    border-radius: 8px;
    border-left: 4px solid #dc2626;
}

.security-icon {
    font-size: 1.1rem;
}

.security-item strong {
    color: #1a1a1a;
}

.compliance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.compliance-item {
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #e5e7eb;
}

.compliance-item strong {
    display: block;
    color: #1a1a1a;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.compliance-item span {
    color: #666;
    font-size: 0.85rem;
}

/* Future Grid */
.future-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.future-section h4 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid #8b5cf6;
    padding-bottom: 0.5rem;
}

.enhancement-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

.enhancement-item {
    padding: 0.5rem 0.75rem;
    background: #faf5ff;
    border-radius: 6px;
    border-left: 3px solid #8b5cf6;
    color: #555;
    font-size: 0.9rem;
}

/* Troubleshooting */
.troubleshooting-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
}

.trouble-item {
    padding: 1.5rem;
    background: #fff7ed;
    border-radius: 12px;
    border: 1px solid #fed7aa;
}

.trouble-item h5 {
    color: #1a1a1a;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.solution-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.solution {
    padding: 0.5rem 0.75rem;
    background: white;
    border-radius: 6px;
    color: #555;
    font-size: 0.9rem;
    border-left: 3px solid #f59e0b;
}

/* Solution Types */
.solution-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.solution-type {
    padding: 1.5rem;
    background: #f0f9ff;
    border-radius: 12px;
    border: 1px solid #bae6fd;
}

.solution-type h4 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.solution-type p {
    color: #555;
    margin-bottom: 1rem;
}

.need-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.need-item {
    padding: 0.5rem 0.75rem;
    background: white;
    border-radius: 6px;
    color: #555;
    font-size: 0.9rem;
    border-left: 3px solid #0ea5e9;
}

/* Troubleshooting Section */
.troubleshooting-section {
    margin-bottom: 3rem;
}

.troubleshooting-section h4 {
    color: #1a1a1a;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}

.troubleshooting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.troubleshoot-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #fff7ed;
    border-radius: 12px;
    border: 1px solid #fed7aa;
    border-left: 4px solid #f59e0b;
    transition: all 0.3s ease;
}

.troubleshoot-item:hover {
    background: #fef3c7;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.2);
}

.troubleshoot-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.troubleshoot-text {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 500;
}

/* Conclusion Section */
.conclusion-section {
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    border-radius: 16px;
    padding: 2rem;
    border: 2px solid #667eea20;
}

.conclusion-content {
    margin-bottom: 2rem;
}

.conclusion-content p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.conclusion-content strong {
    color: #1a1a1a;
    font-weight: 600;
}

.conclusion-highlight {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid #667eea;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.15);
}

.highlight-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    flex-shrink: 0;
}

.highlight-content h5 {
    color: #1a1a1a;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.highlight-content p {
    color: #555;
    margin: 0;
    line-height: 1.6;
}

/* Results Section */
.results-section {
    margin-bottom: 3rem;
}

.results-section h4 {
    color: #1a1a1a;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Display Options */
.display-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.option-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.option-card:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.1);
}

.option-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #f1f5f9;
}

.option-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    
}

.option-header h5 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.option-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-item {
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    color: #555;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.feature-item:hover {
    background: #f1f5f9;
    border-left-color: #4f46e5;
}

/* Accuracy Section */
.accuracy-section {
    background: #f8fafc;
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid #e5e7eb;
}

.accuracy-section h4 {
    color: #1a1a1a;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.accuracy-section p {
    color: #555;
    margin-bottom: 2rem;
}

/* Accuracy Ratings */
.accuracy-ratings {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.accuracy-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.accuracy-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.accuracy-card.high {
    border-color: #10b981;
}

.accuracy-card.medium {
    border-color: #f59e0b;
}

.accuracy-card.basic {
    border-color: #ef4444;
}

.accuracy-card.approximate {
    border-color: #6b7280;
}

.accuracy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.accuracy-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    color: white;
}

.accuracy-badge.high {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.accuracy-badge.medium {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.accuracy-badge.basic {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.accuracy-badge.approximate {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
}

.accuracy-range {
    font-weight: 600;
    color: #1a1a1a;
    background: #f8fafc;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.accuracy-description {
    color: #555;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* Accuracy Bar */
.accuracy-bar {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.accuracy-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.accuracy-fill.high {
    background: linear-gradient(90deg, #10b981 0%, #059669 100%);
}

.accuracy-fill.medium {
    background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.accuracy-fill.basic {
    background: linear-gradient(90deg, #ef4444 0%, #dc2626 100%);
}

.accuracy-fill.approximate {
    background: linear-gradient(90deg, #6b7280 0%, #4b5563 100%);
}

/* Process Stages */
.process-stages {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 2rem;
}

.process-stage {
    background: #f8fafc;
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid #e5e7eb;
    position: relative;
}

.process-stage::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 2px;
}

/* Stage Header */
.stage-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.stage-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    flex-shrink: 0;
}

.stage-info h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 0.25rem 0;
}

.stage-timing {
    font-size: 0.9rem;
    color: #059669;
    font-weight: 500;
    background: #d1fae5;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

/* Stage Content */
.stage-content {
    color: #555;
    line-height: 1.7;
}

.stage-content h5 {
    color: #1a1a1a;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.stage-content h6 {
    color: #1a1a1a;
    font-size: 1rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem 0;
}

/* Verification Grid */
.verification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.verification-section {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.verification-section h6 {
    color: #1a1a1a;
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    border-bottom: 2px solid #10b981;
    padding-bottom: 0.5rem;
}

.validation-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.validation-item {
    padding: 0.75rem;
    background: #f0fdf4;
    border-radius: 8px;
    border-left: 4px solid #10b981;
    color: #555;
    font-size: 0.9rem;
}

/* Terminal Output */
.terminal-output {
    margin: 2rem 0;
}

.terminal-output h6 {
    margin: 0 0 0.75rem 0;
}

.terminal-window {
    background: #1a1a1a;
    border-radius: 8px;
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    color: #e5e7eb;
    line-height: 1.6;
}

.terminal-window.final {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border: 2px solid #10b981;
}

.terminal-line {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.terminal-line.success {
    color: #10b981;
}

.terminal-line.progress {
    color: #f59e0b;
}

/* Failure Scenarios */
.failure-scenarios {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #fef2f2;
    border-radius: 12px;
    border: 1px solid #fecaca;
}

.failure-scenarios h6 {
    color: #dc2626;
    margin: 0 0 1rem 0;
}

.failure-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.failure-item {
    padding: 0.75rem;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #dc2626;
    color: #555;
    font-size: 0.9rem;
}

.failure-item strong {
    color: #dc2626;
}

/* Processing Section */
.processing-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.processing-section h6 {
    margin: 0 0 1rem 0;
}

.network-query {
    background: #f1f5f9;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
}

.query-line {
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.query-step {
    color: #555;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    font-size: 0.9rem;
}

/* Database Integration */
.database-integration {
    margin: 2rem 0;
}

.database-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.db-item {
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #8b5cf6;
    color: #555;
    font-size: 0.9rem;
}

.db-item strong {
    color: #1a1a1a;
    display: block;
    margin-bottom: 0.25rem;
}

/* Calculations Section */
.calculations-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #fffbeb;
    border-radius: 12px;
    border: 1px solid #fde68a;
}

.calculation-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.calc-step {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #f59e0b;
}

.calc-number {
    background: #f59e0b;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.calc-step strong {
    color: #1a1a1a;
}

/* Satellite Section */
.satellite-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.satellite-query {
    background: #f0f9ff;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #0ea5e9;
}

/* Satellite Processing */
.satellite-processing {
    margin: 2rem 0;
}

.processing-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.processing-item {
    padding: 0.75rem;
    background: #f0f9ff;
    border-radius: 8px;
    border-left: 4px solid #0ea5e9;
    color: #555;
    font-size: 0.9rem;
}

/* A-GPS Section */
.agps-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #faf5ff;
    border-radius: 12px;
    border: 1px solid #e9d5ff;
}

.agps-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.agps-item {
    padding: 0.75rem;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #8b5cf6;
    color: #555;
    font-size: 0.9rem;
}

/* Final Calculation */
.final-calculation {
    margin: 2rem 0 0 0;
}

.final-calculation h6 {
    margin: 0 0 1rem 0;
    color: #10b981;
    font-size: 1.1rem;
}

/* Tutorial Steps */
.tutorial-steps {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 2rem;
}

.tutorial-step {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    position: relative;
}

.tutorial-step::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* Step Header */
.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f1f5f9;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
}

/* Step Content */
.step-content {
    color: #555;
    line-height: 1.7;
}

.step-intro {
    margin-bottom: 2rem;
}

.step-intro h4 {
    color: #1a1a1a;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.step-intro p {
    margin: 0;
}

/* Step Grid */
.step-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.step-section h5 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Requirement List */
.requirement-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.requirement-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.req-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.req-content {
    flex: 1;
}

.req-content strong {
    color: #1a1a1a;
    display: block;
    margin-bottom: 0.25rem;
}

/* Behind the Scenes */
.behind-scenes {
    padding: 1.5rem;
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    border-radius: 12px;
    border: 1px solid #667eea20;
}

.behind-scenes h5 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.behind-scenes p {
    margin: 0;
    color: #555;
    line-height: 1.6;
}

/* International Guidelines */
.international-guidelines {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #f1f5f9;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.international-guidelines h5 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.international-guidelines > p {
    margin-bottom: 1.5rem;
    color: #555;
}

.guideline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.guideline-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: white;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.guideline-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.guideline-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.guideline-text strong {
    color: #1a1a1a;
    font-size: 0.9rem;
}

.guideline-text span {
    color: #666;
    font-size: 0.8rem;
}

.sim-card-note {
    padding: 1rem;
    background: #fffbeb;
    border-radius: 8px;
    border-left: 4px solid #f59e0b;
    color: #555;
}

.sim-card-note strong {
    color: #1a1a1a;
}

/* Country Importance */
.country-importance {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.importance-section h5 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border-bottom: 2px solid #10b981;
    padding-bottom: 0.5rem;
}

.importance-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.importance-item {
    padding: 0.75rem;
    background: #f0fdf4;
    border-radius: 8px;
    border-left: 4px solid #10b981;
    color: #555;
    font-size: 0.9rem;
}

/* Country Support */
.country-support {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.country-support h5 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.support-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.support-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.support-item strong {
    color: #1a1a1a;
}

/* Network Compatibility */
.network-compatibility {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #fef7ff;
    border-radius: 12px;
    border: 1px solid #e9d5ff;
}

.network-compatibility h5 {
    color: #1a1a1a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.network-compatibility > p {
    margin-bottom: 1.5rem;
    color: #555;
}

.compatibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.compatibility-section h6 {
    color: #1a1a1a;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.network-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.network-tag {
    padding: 0.5rem 0.75rem;
    background: #8b5cf6;
    color: white;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Footer */
footer {
    margin-top: 4rem;
    text-align: center;
    color: #666;
    padding: 2rem 0;
    border-top: 1px solid #e5e7eb;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .content-section {
        padding: 2rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-intro {
        font-size: 1rem;
    }
    
    .content-card {
        padding: 1.5rem;
    }
    
    .card-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .card-header h3 {
        font-size: 1.3rem;
    }
    
    .environment-grid {
        grid-template-columns: 1fr;
    }
    
    .dual-column {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .data-source {
        padding: 0.5rem;
    }
    
    .network-grid {
        grid-template-columns: 1fr;
    }
    
    .database-section {
        grid-template-columns: 1fr;
    }
    
    .accuracy-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .accuracy-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .accuracy-label {
        min-width: auto;
    }
    
    .api-section {
        grid-template-columns: 1fr;
    }
    
    .privacy-grid {
        grid-template-columns: 1fr;
    }
    
    .future-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-types {
        grid-template-columns: 1fr;
    }
    
    .compliance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Tutorial responsive */
    .tutorial-steps {
        gap: 2rem;
    }
    
    .tutorial-step {
        padding: 1.5rem;
    }
    
    .step-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .step-title {
        font-size: 1.5rem;
    }
    
    .step-grid {
        grid-template-columns: 1fr;
    }
    
    .country-importance {
        grid-template-columns: 1fr;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .guideline-grid {
        grid-template-columns: 1fr;
    }
    
    .compatibility-grid {
        grid-template-columns: 1fr;
    }
    
    /* Process stages responsive */
    .process-stages {
        gap: 2rem;
    }
    
    .process-stage {
        padding: 1.5rem;
    }
    
    .stage-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .verification-grid {
        grid-template-columns: 1fr;
    }
    
    .database-grid {
        grid-template-columns: 1fr;
    }
    
    /* Step 4 responsive */
    .display-options {
        grid-template-columns: 1fr;
    }
    
    .accuracy-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    /* Troubleshooting responsive */
    .troubleshooting-grid {
        grid-template-columns: 1fr;
    }
    
    .conclusion-highlight {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }
    
    .content-header {
        margin-bottom: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .content-card {
        padding: 1rem;
    }
    
    .database-item {
        padding: 1rem;
    }
    
    .international-item {
        padding: 1rem;
    }
    
    .trouble-item {
        padding: 1rem;
    }
    
    .solution-type {
        padding: 1rem;
    }
    
    .compliance-grid {
        grid-template-columns: 1fr;
    }
    
    /* Tutorial mobile */
    .tutorial-step {
        padding: 1rem;
    }
    
    .step-header {
        margin-bottom: 1rem;
    }
    
    .step-title {
        font-size: 1.3rem;
    }
    
    .requirement-item {
        padding: 0.75rem;
    }
    
    .behind-scenes {
        padding: 1rem;
    }
    
    .international-guidelines {
        padding: 1rem;
    }
    
    .country-support {
        padding: 1rem;
    }
    
    .network-compatibility {
        padding: 1rem;
    }
    
    /* Process stages mobile */
    .process-stage {
        padding: 1rem;
    }
    
    .stage-info h4 {
        font-size: 1.2rem;
    }
    
    .verification-section {
        padding: 1rem;
    }
    
    .processing-section {
        padding: 1rem;
    }
    
    .calculations-section {
        padding: 1rem;
    }
    
    .satellite-section {
        padding: 1rem;
    }
    
    .agps-section {
        padding: 1rem;
    }
    
    .terminal-window {
        padding: 1rem;
        font-size: 0.8rem;
    }
    
    .failure-scenarios {
        padding: 1rem;
    }
    
    /* Step 4 mobile */
    .option-card {
        padding: 1rem;
    }
    
    .accuracy-section {
        padding: 1.5rem;
    }
    
    .accuracy-card {
        padding: 1rem;
    }
    
    .accuracy-badge {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .accuracy-range {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    /* Troubleshooting mobile */
    .troubleshoot-item {
        padding: 0.75rem;
        gap: 0.75rem;
    }
    
    .troubleshoot-icon {
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .troubleshoot-text {
        font-size: 0.9rem;
    }
    
    .conclusion-section {
        padding: 1.5rem;
    }
    
    .conclusion-highlight {
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .highlight-icon {
        font-size: 1.5rem;
    }
    
    .highlight-content h5 {
        font-size: 1.1rem;
    }
}