/* ============================================
   ARTICLE HERO SECTION
   ============================================ */

.tr-article-hero {
    padding: 140px 0 30px;
    background: linear-gradient(135deg, #0D1B2A 0%, #1B263B 100%);
}

.tr-article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.tr-breadcrumb-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.tr-breadcrumb-link:hover {
    color: var(--primary-color);
}

.tr-breadcrumb-separator {
    color: rgba(255, 255, 255, 0.5);
}

.tr-breadcrumb-current {
    color: var(--white);
    font-weight: 500;
}

/* ============================================
   ARTICLE MAIN CONTENT
   ============================================ */

.tr-article-main {
    padding: 60px 0 80px;
    background: var(--white);
}

.tr-article {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
}

/* ============================================
   ARTICLE HEADER
   ============================================ */

.tr-article-header {
    margin-bottom: 40px;
}

.tr-article-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 24px;
}

.tr-article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.tr-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 14px;
}

.tr-meta-item img {
    opacity: 0.6;
}

/* ============================================
   FEATURED IMAGE
   ============================================ */

.tr-article-featured-image {
    margin-bottom: 40px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.tr-article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.tr-image-caption {
    padding: 16px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    color: var(--text-secondary);
    font-size: 14px;
    font-style: italic;
    text-align: center;
    border-top: 2px solid var(--primary-color);
}

/* ============================================
   ARTICLE INTRO
   ============================================ */

.tr-article-intro {
    font-size: 19px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    padding: 24px;
    background: linear-gradient(135deg, rgba(14, 165, 166, 0.05) 0%, rgba(14, 165, 166, 0.02) 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
}

.tr-article-intro p {
    margin: 0;
}

/* ============================================
   ARTICLE CONTENT
   ============================================ */

.tr-article-content {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.tr-article-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin: 48px 0 24px;
    line-height: 1.3;
    position: relative;
    padding-bottom: 12px;
}

.tr-article-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color) 0%, #00CDB8 100%);
}

.tr-article-content h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--dark);
    margin: 32px 0 16px;
    line-height: 1.4;
}

.tr-article-content p {
    margin-bottom: 20px;
}

.tr-article-content ul,
.tr-article-content ol {
    margin: 24px 0;
    padding-left: 28px;
}

.tr-article-content li {
    margin-bottom: 12px;
    line-height: 1.7;
}

.tr-article-content ul li::marker {
    color: var(--primary-color);
}

.tr-article-content ol li::marker {
    color: var(--primary-color);
    font-weight: 600;
}

.tr-article-content strong {
    color: var(--dark);
    font-weight: 600;
}

.tr-article-content a {
    color: var(--primary-color);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.tr-article-content a:hover {
    color: #00CDB8;
}

.tr-article-content blockquote {
    margin: 32px 0;
    padding: 24px 28px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    font-size: 18px;
    font-style: italic;
    color: var(--text-secondary);
}

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

.tr-article-content code {
    padding: 3px 8px;
    background: rgba(14, 165, 166, 0.1);
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 15px;
    color: var(--primary-color);
}

.tr-article-content pre {
    background: #0D1B2A;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 24px 0;
}

.tr-article-content pre code {
    background: none;
    padding: 0;
    color: #00CDB8;
}

/* ============================================
   ARTICLE CONCLUSION
   ============================================ */

.tr-article-conclusion {
    margin-bottom: 40px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(14, 165, 166, 0.08) 0%, rgba(14, 165, 166, 0.03) 100%);
    border-radius: 16px;
    border: 2px solid rgba(14, 165, 166, 0.2);
}

.tr-article-conclusion h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.tr-article-conclusion p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.tr-article-conclusion p:last-child {
    margin-bottom: 0;
}

.tr-article-conclusion a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.tr-article-conclusion a:hover {
    color: #00CDB8;
}

/* ============================================
   ARTICLE TAGS
   ============================================ */

.tr-article-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 24px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    margin-bottom: 60px;
}

.tr-article-tags img {
    filter: invert(52%) sepia(79%) saturate(481%) hue-rotate(126deg) brightness(94%) contrast(93%);
}

.tr-article-tags span {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================
   RELATED ARTICLES
   ============================================ */

.tr-related-articles {
    margin-top: 60px;
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 24px;
}

.tr-related-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    text-align: center;
    margin-bottom: 40px;
}

.tr-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tr-related-card {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.tr-related-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, #00CDB8 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.tr-related-card:hover::before {
    transform: scaleX(1);
}

.tr-related-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(14, 165, 166, 0.15);
}

.tr-related-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tr-related-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #00CDB8 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tr-related-icon img {
    filter: brightness(0) invert(1);
}

.tr-related-card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.4;
    transition: color 0.3s ease;
}

.tr-related-card:hover .tr-related-card-title {
    color: var(--primary-color);
}

.tr-related-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(14, 165, 166, 0.1);
    border-radius: 50%;
    margin-left: auto;
    transition: all 0.3s ease;
}

.tr-related-card:hover .tr-related-arrow {
    background: var(--primary-color);
    transform: translateX(4px);
}

.tr-related-arrow img {
    transition: filter 0.3s ease;
}

.tr-related-card:hover .tr-related-arrow img {
    filter: brightness(0) invert(1);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 768px) {
    .tr-article-hero {
        padding: 100px 0 24px;
    }

    .tr-article-breadcrumb {
        padding-top: 0;
    }

    .tr-article-main {
        padding: 40px 0 60px;
    }

    .tr-article-title {
        font-size: 32px;
    }

    .tr-article-intro {
        font-size: 17px;
        padding: 20px;
    }

    .tr-article-content {
        font-size: 16px;
    }

    .tr-article-content h2 {
        font-size: 28px;
        margin: 36px 0 20px;
    }

    .tr-article-content h3 {
        font-size: 22px;
    }

    .tr-article-conclusion {
        padding: 24px;
    }

    .tr-article-conclusion h2 {
        font-size: 24px;
    }

    .tr-related-title {
        font-size: 28px;
    }

    .tr-related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .tr-article-hero {
        padding: 80px 0 20px;
    }

    .tr-article-main {
        padding: 30px 0 50px;
    }

    .tr-article-title {
        font-size: 26px;
    }

    .tr-article-meta {
        gap: 16px;
    }

    .tr-article-intro {
        font-size: 16px;
        padding: 16px;
    }

    .tr-article-content {
        font-size: 15px;
    }

    .tr-article-content h2 {
        font-size: 24px;
        margin: 32px 0 16px;
    }

    .tr-article-content h3 {
        font-size: 20px;
    }

    .tr-article-conclusion {
        padding: 20px;
    }

    .tr-article-conclusion h2 {
        font-size: 22px;
    }

    .tr-article-conclusion p {
        font-size: 16px;
    }

    .tr-related-articles {
        padding: 40px 20px;
    }

    .tr-related-title {
        font-size: 24px;
    }

    .tr-related-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tr-related-card {
        padding: 24px;
    }
}

/* Extra Small Mobile */
@media (max-width: 375px) {
    .tr-article-hero {
        padding: 70px 0 18px;
    }

    .tr-article-title {
        font-size: 23px;
    }

    .tr-article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .tr-article-intro {
        font-size: 15px;
    }

    .tr-article-content h2 {
        font-size: 22px;
    }

    .tr-article-content h3 {
        font-size: 18px;
    }

    .tr-article-conclusion h2 {
        font-size: 20px;
    }

    .tr-related-title {
        font-size: 22px;
    }
}