/* ================================================
   SEKTORLER.CSS - Sector Pages Category Styles
   Version: 3.2 - Complete Enhanced Responsive
   Purpose: Styling for all sector-specific pages (Gıda, Çelik, Tekstil, Elektronik, Kimya, Makine, Otomotiv)
   Inheritance: Extends style.css base architecture
   Breakpoints: Aligned with main style.css system
   ================================================ */

/* ================================================
   BASE STRUCTURE - Using CSS Variables
   ================================================ */

.page-content {
    line-height: var(--leading-relaxed);
    max-width: var(--container-max);
    margin: 0 auto;
}

/* Container from main style.css */
#wrap.main-content .container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Card container for content */
#wrap.main-content {
    padding: var(--space-12) 0;
}

.page-content article,
.page-content .article-content {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-10);
}

/* ================================================
   TYPOGRAPHY - Using Design System
   ================================================ */

/* Main sector heading */
.page-content h1 {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 4px solid var(--primary-blue);
    line-height: var(--leading-tight);
    position: relative;
}

.page-content h1::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 120px;
    height: 4px;
    background: var(--accent-orange);
}

/* Section headings (##) */
.page-content h2 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-top: var(--space-16);
    margin-bottom: var(--space-6);
    padding-left: var(--space-4);
    border-left: 5px solid var(--primary-blue);
    line-height: var(--leading-tight);
    background: linear-gradient(to right, var(--bg-light) 0%, transparent 100%);
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
    padding-right: var(--space-4);
}

/* Subsection headings (###) */
.page-content h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-top: var(--space-10);
    margin-bottom: var(--space-5);
    line-height: var(--leading-snug);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--border-light);
}

/* Minor headings (####) */
.page-content h4 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
    line-height: var(--leading-snug);
}

/* ================================================
   PARAGRAPHS AND TEXT
   ================================================ */

.page-content p {
    margin-bottom: var(--space-6);
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

/* Lead paragraph - Make it stand out */
.page-content > p:first-of-type,
.page-content h1 + p {
    font-size: var(--text-lg);
    font-weight: var(--font-normal);
    color: var(--text-primary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-10);
    padding: var(--space-6);
    background: var(--bg-light);
    border-left: 4px solid var(--primary-blue);
    border-radius: var(--radius-md);
}

/* Section intro paragraphs */
.page-content h2 + p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

/* Strong emphasis */
.page-content strong {
    font-weight: var(--font-semibold);
    color: var(--primary-blue);
}

/* Highlighted emphasis for critical info */
.page-content strong em,
.page-content em strong {
    background: linear-gradient(to right, #fff3cd 0%, #fff3cd 100%);
    background-position: 0 85%;
    background-repeat: no-repeat;
    background-size: 100% 40%;
    padding: 0.1em 0.4em;
    font-style: normal;
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

/* Highlight key statistics and figures */
.page-content p strong:only-child,
.page-content li strong:first-child {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 0.25em 0.75em;
    border-radius: var(--radius-md);
    font-size: 0.95em;
    margin-right: 0.5em;
    box-shadow: 0 2px 4px rgba(0, 102, 204, 0.2);
}

/* ================================================
   LISTS - Enhanced for regulatory content
   ================================================ */

.page-content ul,
.page-content ol {
    margin-bottom: var(--space-8);
    padding-left: 0;
    list-style: none;
}

/* Unordered lists */
.page-content ul li {
    margin-bottom: var(--space-4);
    line-height: var(--leading-relaxed);
    position: relative;
    padding-left: var(--space-8);
}

.page-content ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-size: 1.2em;
    font-weight: var(--font-bold);
}

/* Nested lists */
.page-content ul ul {
    margin-top: var(--space-3);
    margin-bottom: var(--space-3);
    padding-left: var(--space-6);
}

.page-content ul ul li {
    margin-bottom: var(--space-2);
    font-size: 0.98rem;
}

.page-content ul ul li::before {
    content: '•';
    font-size: 1em;
    color: var(--secondary-gray);
}

/* Ordered lists */
.page-content ol {
    counter-reset: item;
}

.page-content ol li {
    margin-bottom: var(--space-4);
    line-height: var(--leading-relaxed);
    position: relative;
    padding-left: var(--space-10);
    counter-increment: item;
}

.page-content ol li::before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--primary-blue);
    color: var(--text-white);
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
}

/* ================================================
   DATA PRESENTATION - STATISTICS & FIGURES
   ================================================ */

/* Inline statistical data */
.page-content .stat-inline {
    font-weight: var(--font-semibold);
    color: var(--primary-blue);
    white-space: nowrap;
}

/* Percentage and currency formatting */
.page-content .percentage,
.page-content .currency {
    font-weight: var(--font-semibold);
    color: #2c5282;
}

/* ================================================
   BLOCKQUOTES - REGULATORY EXCERPTS
   ================================================ */

.page-content blockquote {
    margin: var(--space-10) 0;
    padding: var(--space-6) var(--space-8);
    background: var(--bg-light);
    border-left: 4px solid var(--primary-blue);
    font-style: italic;
    color: var(--text-secondary);
    position: relative;
    border-radius: var(--radius-md);
}

.page-content blockquote p {
    margin-bottom: var(--space-2);
}

.page-content blockquote p:last-child {
    margin-bottom: 0;
}

/* Citation in blockquote */
.page-content blockquote cite {
    display: block;
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    font-style: normal;
    color: var(--text-muted);
}

/* ================================================
   CALL-OUT BOXES - IMPORTANT INFORMATION
   ================================================ */

.page-content .warning-box,
.page-content .important-box,
.page-content .info-box,
.page-content .tip-box,
.page-content .success-box {
    margin: var(--space-10) 0;
    padding: var(--space-6) var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
}

/* Warning/Important notices */
.page-content .warning-box,
.page-content .important-box {
    background: linear-gradient(135deg, #fff8e1 0%, #fff3cd 100%);
    border-left: 5px solid var(--accent-orange);
}

.page-content .warning-box::before,
.page-content .important-box::before {
    content: '⚠';
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    font-size: var(--text-3xl);
    color: var(--accent-orange);
    opacity: 0.3;
}

.page-content .warning-box strong:first-child,
.page-content .important-box strong:first-child {
    color: #ff6f00;
    font-size: var(--text-lg);
    display: block;
    margin-bottom: var(--space-2);
}

/* Info boxes */
.page-content .info-box {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-left: 5px solid var(--primary-blue);
}

.page-content .info-box::before {
    content: 'ℹ';
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    font-size: var(--text-3xl);
    color: var(--primary-blue);
    opacity: 0.3;
}

/* Success/Tip boxes */
.page-content .tip-box,
.page-content .success-box {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-left: 5px solid var(--accent-green);
}

.page-content .tip-box::before,
.page-content .success-box::before {
    content: '✓';
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    font-size: var(--text-3xl);
    color: var(--accent-green);
    opacity: 0.3;
}

/* ================================================
   CODE AND TECHNICAL REFERENCES
   ================================================ */

/* Inline code / GTIP codes / regulatory references */
.page-content code {
    background: var(--bg-gray);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    color: #c7254e;
    border: 1px solid var(--border-light);
}

/* Code blocks */
.page-content pre {
    background: var(--bg-light);
    padding: var(--space-5);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--space-6) 0;
    border: 1px solid var(--border-light);
}

.page-content pre code {
    background: transparent;
    padding: 0;
    border: none;
    color: var(--text-primary);
}

/* ================================================
   TABLES - REGULATORY DATA & SPECIFICATIONS
   ================================================ */

.page-content table {
    width: 100%;
    margin: var(--space-8) 0;
    border-collapse: collapse;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border-radius: var(--radius-md);
}

.page-content table thead {
    background: var(--primary-blue);
    color: var(--text-white);
}

.page-content table thead th {
    padding: var(--space-4);
    text-align: left;
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.page-content table tbody tr {
    border-bottom: 1px solid var(--border-light);
    transition: background-color var(--transition-fast);
}

.page-content table tbody tr:hover {
    background: var(--bg-light);
}

.page-content table tbody td {
    padding: var(--space-3-5) var(--space-4);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.page-content table tbody tr:last-child {
    border-bottom: none;
}

/* Alternate row coloring for readability */
.page-content table tbody tr:nth-child(even) {
    background: var(--bg-light);
}

.page-content table tbody tr:nth-child(even):hover {
    background: #f0f0f0;
}

/* Table caption */
.page-content table caption {
    padding: var(--space-3);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    text-align: left;
    caption-side: top;
}

/* ================================================
   HORIZONTAL RULES - SECTION DIVIDERS
   ================================================ */

.page-content hr {
    margin: var(--space-16) 0;
    border: none;
    height: 2px;
    background: linear-gradient(to right, transparent 0%, var(--primary-blue) 50%, transparent 100%);
    position: relative;
}

.page-content hr::after {
    content: '❖';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-white);
    padding: 0 var(--space-4);
    color: var(--primary-blue);
    font-size: var(--text-lg);
}

/* Emphasized divider */
.page-content hr.major {
    height: 3px;
    background: linear-gradient(to right, transparent 0%, var(--primary-blue) 20%, var(--accent-orange) 50%, var(--primary-blue) 80%, transparent 100%);
    margin: var(--space-20) 0;
}

/* ================================================
   LINKS - REGULATORY REFERENCES & EXTERNAL RESOURCES
   ================================================ */

.page-content a {
    color: var(--primary-blue);
    text-decoration: none;
    border-bottom: 1px dotted var(--primary-blue);
    transition: all var(--transition-base);
}

.page-content a:hover {
    color: var(--primary-dark);
    border-bottom: 1px solid var(--primary-dark);
}

.page-content a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* External links indicator */
.page-content a[href^="http"]::after,
.page-content a[href^="https://"]::after {
    content: " ↗";
    font-size: 0.85em;
    opacity: 0.6;
    margin-left: 0.2em;
}

/* Don't add indicator to internal links */
.page-content a[href^="https://koycegizgumruk.com"]::after,
.page-content a[href^="/"]::after,
.page-content a[href^="#"]::after {
    content: none;
}

/* ================================================
   DEFINITION LISTS - TERMINOLOGY
   ================================================ */

.page-content dl {
    margin: var(--space-6) 0;
}

.page-content dt {
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-top: var(--space-4);
    margin-bottom: var(--space-1);
}

.page-content dd {
    margin-left: var(--space-6);
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

/* ================================================
   NUMBERED SECTIONS - REGULATORY ARTICLES
   ================================================ */

/* For numbered regulatory sections like "Article 1.1.2" */
.page-content .article-number {
    display: inline-block;
    background: var(--primary-blue);
    color: var(--text-white);
    padding: 0.25em 0.6em;
    border-radius: var(--radius-sm);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    margin-right: var(--space-2);
    font-family: 'Courier New', Courier, monospace;
}

/* ================================================
   FOOTNOTES AND REFERENCES
   ================================================ */

.page-content sup {
    font-size: 0.75em;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
    top: -0.5em;
}

.page-content .footnotes {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 2px solid var(--border-light);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.page-content .footnotes ol {
    padding-left: var(--space-6);
}

.page-content .footnotes li {
    margin-bottom: var(--space-2);
}

/* ================================================
   SECTOR-SPECIFIC ENHANCEMENTS
   ================================================ */

/* Compliance checklists */
.page-content .checklist {
    list-style: none;
    padding-left: 0;
    background: var(--bg-light);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--accent-green);
}

.page-content .checklist li {
    padding-left: var(--space-10);
    position: relative;
    margin-bottom: var(--space-4);
}

.page-content .checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--text-white);
    background: var(--accent-green);
    font-weight: var(--font-bold);
    font-size: 1em;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Timeline elements for regulatory changes */
.page-content .timeline-item {
    margin: var(--space-8) 0;
    padding-left: var(--space-10);
    border-left: 3px solid var(--primary-blue);
    position: relative;
    padding-top: var(--space-2);
    padding-bottom: var(--space-4);
}

.page-content .timeline-item::before {
    content: "";
    position: absolute;
    left: -9px;
    top: var(--space-2);
    width: 15px;
    height: 15px;
    background: var(--primary-blue);
    border-radius: var(--radius-full);
    box-shadow: 0 0 0 4px var(--bg-white), 0 0 0 6px var(--primary-blue);
}

.page-content .timeline-date {
    font-weight: var(--font-bold);
    color: var(--primary-blue);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-2);
}

/* Regulation reference badges */
.page-content .regulation-ref {
    display: inline-block;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    padding: 0.3em 0.6em;
    font-size: var(--text-sm);
    font-family: 'Courier New', Courier, monospace;
    margin: 0 0.25em;
    white-space: nowrap;
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    box-shadow: var(--shadow-xs);
}

/* Contact CTA section */
.page-content .sector-cta {
    margin: var(--space-16) 0 var(--space-8);
    padding: var(--space-10);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--text-white);
    box-shadow: var(--shadow-xl);
}

.page-content .sector-cta h3 {
    color: var(--text-white);
    font-size: var(--text-2xl);
    margin-top: 0;
    margin-bottom: var(--space-4);
    border: none;
}

.page-content .sector-cta p {
    color: rgba(255, 255, 255, 0.95);
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
}

.page-content .sector-cta a {
    display: inline-block;
    background: var(--bg-white);
    color: var(--primary-blue);
    padding: var(--space-4) var(--space-10);
    border-radius: var(--radius-full);
    font-weight: var(--font-semibold);
    text-decoration: none;
    border: none;
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-lg);
}

.page-content .sector-cta a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: var(--primary-dark);
}

/* ================================================
   RESPONSIVE BREAKPOINTS - Aligned with style.css
   ================================================ */

/* Mobile Extra Small: max-width: 390px */
@media (max-width: 390px) {
    .page-content article,
    .page-content .article-content {
        padding: var(--space-5);
    }
    
    .page-content h1 {
        font-size: var(--text-xl);
    }
    
    .page-content h2 {
        font-size: var(--text-lg);
        padding: var(--space-2-5);
    }
}

/* Mobile Small: 391px - 575px */
@media (min-width: 391px) and (max-width: 575px) {
    .page-content article,
    .page-content .article-content {
        padding: var(--space-6);
    }
}

/* Mobile Standard: max-width: 576px */
@media (max-width: 576px) {
    #wrap.main-content {
        padding: var(--space-8) 0;
    }
    
    .page-content article,
    .page-content .article-content {
        border-radius: var(--radius-lg);
    }
    
    .page-content h1 {
        font-size: var(--text-2xl);
        margin-bottom: var(--space-6);
        padding-bottom: var(--space-4);
    }
    
    .page-content h1::after {
        width: 80px;
    }
    
    .page-content h2 {
        font-size: var(--text-xl);
        margin-top: var(--space-12);
        margin-bottom: var(--space-5);
        padding: var(--space-3);
    }
    
    .page-content h3 {
        font-size: var(--text-lg);
        margin-top: var(--space-8);
    }
    
    .page-content h4 {
        font-size: var(--text-base);
        margin-top: var(--space-6);
    }
    
    .page-content > p:first-of-type,
    .page-content h1 + p {
        font-size: var(--text-base);
        padding: var(--space-5);
    }
    
    .page-content table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        font-size: var(--text-xs);
    }
    
    .page-content ul li,
    .page-content ol li {
        padding-left: var(--space-6);
    }
    
    .page-content ol li {
        padding-left: var(--space-8);
    }
    
    .page-content ol li::before {
        width: 1.5rem;
        height: 1.5rem;
        font-size: var(--text-xs);
    }
    
    .page-content .warning-box::before,
    .page-content .important-box::before,
    .page-content .info-box::before,
    .page-content .tip-box::before,
    .page-content .success-box::before {
        top: var(--space-4);
        right: var(--space-4);
        font-size: var(--text-xl);
    }
    
    .page-content .warning-box,
    .page-content .important-box,
    .page-content .info-box,
    .page-content .tip-box,
    .page-content .success-box {
        padding: var(--space-5) var(--space-6);
    }
    
    .page-content hr {
        margin: var(--space-10) 0;
    }
    
    .page-content hr.major {
        margin: var(--space-12) 0;
    }
    
    .page-content .sector-cta {
        padding: var(--space-8) var(--space-6);
        margin: var(--space-12) 0 var(--space-6);
    }
    
    .page-content .sector-cta h3 {
        font-size: var(--text-xl);
    }
    
    .page-content .sector-cta p {
        font-size: var(--text-base);
    }
    
    .page-content .sector-cta a {
        padding: var(--space-3-5) var(--space-8);
        font-size: var(--text-sm);
    }
}

/* Tablet: 577px - 768px */
@media (min-width: 577px) and (max-width: 768px) {
    .page-content h1 {
        font-size: var(--text-3xl);
    }
    
    .page-content h2 {
        font-size: var(--text-xl);
    }
    
    .page-content article,
    .page-content .article-content {
        padding: var(--space-8);
    }
}

/* Small Desktop: 769px - 991px */
@media (min-width: 769px) and (max-width: 991px) {
    .page-content article,
    .page-content .article-content {
        padding: var(--space-8);
    }
}

/* Tablet/Desktop: max-width: 991px */
@media (max-width: 991px) {
    .page-content h2 {
        margin-left: 0;
        margin-right: 0;
    }
}

/* Desktop: 992px and up */
@media (min-width: 992px) {
    .page-content article,
    .page-content .article-content {
        padding: var(--space-12);
    }
}

/* Large Desktop: 1200px and up */
@media (min-width: 1200px) {
    #wrap.main-content {
        padding: var(--space-16) 0;
    }
    
    .page-content article,
    .page-content .article-content {
        padding: var(--space-16);
    }
}

/* Extra Large Desktop: 1600px and up */
@media (min-width: 1600px) {
    #wrap.main-content {
        padding: var(--space-20) 0;
    }
}

/* ================================================
   PRINT STYLES
   ================================================ */

@media print {
    .page-content {
        font-size: 11pt;
        line-height: 1.6;
    }
    
    .page-content h1 {
        font-size: 18pt;
        page-break-after: avoid;
    }
    
    .page-content h2 {
        font-size: 14pt;
        page-break-after: avoid;
        margin-top: 20pt;
    }
    
    .page-content h3 {
        font-size: 12pt;
        page-break-after: avoid;
    }
    
    .page-content h4 {
        font-size: 11pt;
        page-break-after: avoid;
    }
    
    .page-content a {
        color: #000;
        text-decoration: underline;
        border-bottom: none;
    }
    
    .page-content a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
    
    .page-content table {
        border: 1px solid #000;
    }
    
    .page-content table thead {
        background: #eee;
        color: #000;
    }
    
    .page-content blockquote,
    .page-content .warning-box,
    .page-content .important-box,
    .page-content .info-box,
    .page-content .tip-box,
    .page-content .success-box {
        border: 1px solid #000;
        page-break-inside: avoid;
    }
}

/* ================================================
   ACCESSIBILITY ENHANCEMENTS
   ================================================ */

/* Focus visible for keyboard navigation */
.page-content a:focus-visible,
.page-content button:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Skip to content link (if implemented) */
.skip-to-content {
    position: absolute;
    left: -9999px;
    z-index: 999;
}

.skip-to-content:focus {
    left: 50%;
    transform: translateX(-50%);
    top: 10px;
    background: var(--primary-blue);
    color: var(--text-white);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    text-decoration: none;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .page-content h1,
    .page-content h2 {
        border-color: var(--text-primary);
    }
    
    .page-content table thead {
        background: var(--text-primary);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .page-content a,
    .page-content table tbody tr,
    .page-content .sector-cta a {
        transition: none;
    }
}

/* ================================================
   END OF SEKTORLER.CSS
   ================================================ */