/* Blog Detail Page - Modern Black/White Theme */

/* ====================================== */
/* CONTAINER & LAYOUT */
/* ====================================== */

.blog-detail--container {
    min-height: 100vh;
    background: var(--bg-primary);
}

/* ====================================== */
/* BREADCRUMB NAVIGATION */
/* ====================================== */

.blog-detail--breadcrumb {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-alpha-50);
    padding: 16px 0;
    margin-bottom: 40px;
}

.blog-detail--breadcrumb-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.blog-detail--breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.blog-detail--breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast) ease;
    font-weight: 500;
}

.blog-detail--breadcrumb-link:hover {
    color: var(--text-primary);
}

.blog-detail--breadcrumb-separator {
    color: var(--light-gray);
    font-weight: 300;
}

.blog-detail--breadcrumb-current {
    color: var(--text-primary);
    font-weight: 600;
}

/* ====================================== */
/* MAIN WRAPPER */
/* ====================================== */

.blog-detail--wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 60px;
}

/* ====================================== */
/* ARTICLE STYLES */
/* ====================================== */

.blog-detail--article {
    background: var(--pure-white);
    border-radius: 20px;
    box-shadow: 
        0 4px 20px var(--black-alpha-08),
        0 1px 3px var(--black-alpha-04);
    overflow: hidden;
    transition: transform var(--transition-normal) ease,
                box-shadow var(--transition-normal) ease;
}

.blog-detail--article:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 30px var(--black-alpha-12),
        0 2px 6px var(--black-alpha-06);
}

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

.blog-detail--header {
    padding: 40px 40px 30px;
    border-bottom: 1px solid var(--border-alpha-40);
}

.blog-detail--category {
    margin-bottom: 20px;
}

.blog-detail--category-tag {
    display: inline-block;
    background: var(--primary-black);
    color: var(--pure-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.blog-detail--title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 0 0 30px 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
    letter-spacing: -0.02em;
}

.blog-detail--meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}


.blog-detail--meta-info {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.blog-detail--meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.blog-detail--meta-item i {
    font-size: 0.8rem;
    color: var(--light-gray);
}

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

.blog-detail--featured-image {
    position: relative;
    width: 100%;
    height: auto;
    overflow: hidden;
    background: var(--bg-gray);
}

.blog-detail--featured-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform var(--transition-slow) ease;
}

.blog-detail--image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay-black-light);
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-detail--featured-image:hover .blog-detail--image-overlay {
    opacity: 1;
}

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


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

.blog-detail--content {
    padding: 40px;
}

.blog-detail--introduction {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-alpha-40);
}

.blog-detail--lead {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
    font-style: italic;
}

.blog-detail--body {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.blog-detail--body h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 40px 0 20px 0;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.blog-detail--body h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 35px 0 18px 0;
    line-height: 1.4;
}

.blog-detail--body p {
    margin-bottom: 20px;
    text-align: justify;
}

.blog-detail--quote {
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-black);
    padding: 30px;
    margin: 40px 0;
    border-radius: 8px;
    position: relative;
}

.blog-detail--quote p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-primary);
    margin: 0 0 15px 0;
    font-weight: 500;
}

.blog-detail--quote cite {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    font-style: normal;
}

.blog-detail--list {
    margin: 25px 0;
    padding-left: 0;
    list-style: none;
}

.blog-detail--list li {
    position: relative;
    padding: 8px 0 8px 30px;
    color: var(--text-primary);
}

.blog-detail--list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    background: var(--primary-black);
    border-radius: 50%;
    transform: translateY(-50%);
}

.blog-detail--highlight-box {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--off-white) 100%);
    border: 1px solid var(--border-alpha-60);
    border-radius: 12px;
    padding: 25px;
    margin: 30px 0;
    position: relative;
}

.blog-detail--highlight-box::before {
    content: '💡';
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--pure-white);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.blog-detail--highlight-box h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 12px 0;
}

.blog-detail--highlight-box p {
    margin: 0;
    color: var(--text-primary);
}

/* ====================================== */
/* SOCIAL SHARE */
/* ====================================== */

.blog-detail--social-share {
    padding: 30px 0;
    border-top: 1px solid var(--border-alpha-40);
    border-bottom: 1px solid var(--border-alpha-40);
    margin: 40px 0;
}

.blog-detail--social-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 20px 0;
}

.blog-detail--social-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.blog-detail--social-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast) ease;
    border: 1px solid var(--border-alpha-80);
    background: var(--pure-white);
}

.blog-detail--social-btn--facebook {
    color: var(--social-facebook);
}

.blog-detail--social-btn--facebook:hover {
    background: var(--social-facebook);
    color: var(--pure-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--social-facebook-alpha-20);
}

.blog-detail--social-btn--twitter {
    color: var(--social-twitter);
}

.blog-detail--social-btn--twitter:hover {
    background: var(--social-twitter);
    color: var(--pure-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(29, 161, 242, 0.3);
}

.blog-detail--social-btn--linkedin {
    color: var(--social-linkedin);
}

.blog-detail--social-btn--linkedin:hover {
    background: var(--social-linkedin);
    color: var(--pure-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 119, 181, 0.3);
}

.blog-detail--social-btn--whatsapp {
    color: var(--social-whatsapp);
}

.blog-detail--social-btn--whatsapp:hover {
    background: var(--social-whatsapp);
    color: var(--pure-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.blog-detail--social-btn--copy {
    color: var(--text-secondary);
}

.blog-detail--social-btn--copy:hover {
    background: var(--primary-black);
    color: var(--pure-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--black-alpha-20);
}

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

.blog-detail--tags {
    margin-top: 30px;
}

.blog-detail--tags-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 15px 0;
}

.blog-detail--tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.blog-detail--tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-fast) ease;
    border: 1px solid var(--border-alpha-60);
}

.blog-detail--tag:hover {
    background: var(--primary-black);
    color: var(--pure-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--black-alpha-15);
}

/* ====================================== */
/* SIDEBAR */
/* ====================================== */

.blog-detail--sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Popular Categories */
.blog-detail--popular-categories {
    background: var(--pure-white);
    border-radius: 16px;
    padding: 25px;
    box-shadow:
        0 4px 20px var(--black-alpha-06),
        0 1px 3px var(--black-alpha-04);
    transition: transform var(--transition-normal) ease;
}

.blog-detail--popular-categories:hover {
    transform: translateY(-2px);
}

.blog-detail--popular-categories-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 25px 0;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-alpha-40);
}

.blog-detail--categories-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.blog-detail--category-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 5px;
    border-radius: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-alpha-60);
    text-decoration: none;
    transition: all var(--transition-fast) ease;
    position: relative;
    overflow: hidden;
}

.blog-detail--category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--white-alpha-30), transparent);
    transition: left var(--transition-normal) ease;
}

.blog-detail--category-card:hover::before {
    left: 100%;
}

.blog-detail--category-card:hover {
    background: var(--primary-black);
    color: var(--pure-white);
    transform: translateX(5px);
    box-shadow: 0 4px 15px var(--black-alpha-20);
}

.blog-detail--category-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-black);
    color: var(--pure-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-fast) ease;
}

.blog-detail--category-card:hover .blog-detail--category-icon {
    background: var(--pure-white);
    color: var(--primary-black);
    transform: scale(1.1);
}

.blog-detail--category-icon i {
    font-size: 1.1rem;
}

.blog-detail--category-info {
    flex: 1;
}

.blog-detail--category-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-fast) ease;
}

.blog-detail--category-card:hover .blog-detail--category-name {
    color: var(--pure-white);
}

.blog-detail--category-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast) ease;
}

.blog-detail--category-card:hover .blog-detail--category-count {
    color: var(--white-alpha-80);
}

.blog-detail--category-arrow {
    color: var(--text-secondary);
    transition: all var(--transition-fast) ease;
    opacity: 0;
    transform: translateX(-10px);
}

.blog-detail--category-card:hover .blog-detail--category-arrow {
    color: var(--pure-white);
    opacity: 1;
    transform: translateX(0);
}

.blog-detail--category-arrow i {
    font-size: 0.9rem;
}

/* Related Articles */
.blog-detail--related {
    background: var(--pure-white);
    border-radius: 16px;
    padding: 25px;
    box-shadow: 
        0 4px 20px var(--black-alpha-06),
        0 1px 3px var(--black-alpha-04);
}

.blog-detail--related-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 25px 0;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-alpha-40);
}

.blog-detail--related-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.blog-detail--related-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    border-radius: 12px;
    transition: all var(--transition-fast) ease;
}

.blog-detail--related-item:hover {
    background: var(--bg-secondary);
    transform: translateX(5px);
}

.blog-detail--related-image {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.blog-detail--related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-detail--related-content {
    flex: 1;
}

.blog-detail--related-item-title {
    margin: 0 0 8px 0;
}

.blog-detail--related-item-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
    transition: color var(--transition-fast) ease;
}

.blog-detail--related-item-title a:hover {
    color: var(--primary-black);
}

.blog-detail--related-meta {
    display: flex;
    gap: 10px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Newsletter */
.blog-detail--newsletter {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-gray) 100%);
    color: var(--pure-white);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-detail--newsletter::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--white-alpha-10) 0%, transparent 70%);
    animation: newsletterPulse 4s ease-in-out infinite;
}

@keyframes newsletterPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.blog-detail--newsletter-icon {
    width: 60px;
    height: 60px;
    background: var(--white-alpha-20);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
}

.blog-detail--newsletter-icon i {
    font-size: 1.5rem;
    color: var(--pure-white);
}

.blog-detail--newsletter-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0 0 15px 0;
    position: relative;
    z-index: 2;
}

.blog-detail--newsletter-desc {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0 0 25px 0;
    line-height: 1.5;
    position: relative;
    z-index: 2;
}

.blog-detail--newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    position: relative;
    z-index: 2;
}

.blog-detail--newsletter-input {
    padding: 14px 16px;
    border: 1px solid var(--white-alpha-30);
    border-radius: 10px;
    background: var(--white-alpha-10);
    color: var(--pure-white);
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition-fast) ease;
}

.blog-detail--newsletter-input::placeholder {
    color: var(--white-alpha-70);
}

.blog-detail--newsletter-input:focus {
    border-color: var(--pure-white);
    background: var(--white-alpha-20);
}

.blog-detail--newsletter-btn {
    background: var(--pure-white);
    color: var(--primary-black);
    border: none;
    padding: 14px 20px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
    font-size: 0.9rem;
}

.blog-detail--newsletter-btn:hover {
    background: var(--off-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--black-alpha-30);
}


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

@media (max-width: 1024px) {
    .blog-detail--wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .blog-detail--sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .blog-detail--container {
        padding: 20px 0;
    }
    
    .blog-detail--breadcrumb {
        padding: 12px 0;
        margin-bottom: 20px;
    }
    
    .blog-detail--wrapper {
        padding: 0 15px;
        gap: 30px;
    }
    
    .blog-detail--title {
        font-size: 1.8rem;
    }
    
    .blog-detail--header {
        padding: 30px 25px 20px;
    }
    
    .blog-detail--content {
        padding: 30px 25px;
    }
    
    .blog-detail--meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .blog-detail--meta-info {
        gap: 15px;
    }
    
    .blog-detail--popular-categories,
    .blog-detail--related,
    .blog-detail--newsletter {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .blog-detail--breadcrumb-wrapper {
        padding: 0 15px;
    }
    
    .blog-detail--breadcrumb-nav {
        font-size: 0.8rem;
        flex-wrap: wrap;
    }
    
    .blog-detail--wrapper {
        padding: 0 10px;
    }
    
    .blog-detail--title {
        font-size: 1.5rem;
    }
    
    .blog-detail--header {
        padding: 20px 20px 15px;
    }
    
    .blog-detail--content {
        padding: 20px;
    }
    
    .blog-detail--popular-categories,
    .blog-detail--related,
    .blog-detail--newsletter {
        padding: 18px;
    }
    
    .blog-detail--featured-image {
        height: 250px;
    }
    
    .blog-detail--social-buttons {
        justify-content: center;
    }
    
    .blog-detail--related-item {
        flex-direction: column;
        text-align: center;
    }
    
    .blog-detail--related-image {
        width: 100%;
        height: 120px;
    }
}

/* ====================================== */
/* ANIMATIONS & TRANSITIONS */
/* ====================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.blog-detail--article,
.blog-detail--sidebar > * {
    animation: fadeInUp 0.6s ease-out;
}

.blog-detail--sidebar > *:nth-child(2) {
    animation-delay: 0.1s;
}

.blog-detail--sidebar > *:nth-child(3) {
    animation-delay: 0.2s;
}

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

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.blog-detail--breadcrumb-link:focus,
.blog-detail--social-btn:focus,
.blog-detail--tag:focus,
.blog-detail--newsletter-input:focus,
.blog-detail--newsletter-btn:focus,
.blog-detail--category-card:focus {
    outline: 2px solid var(--primary-black);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .blog-detail--article,
    .blog-detail--popular-categories,
    .blog-detail--related,
    .blog-detail--newsletter {
        border: 2px solid var(--primary-black);
    }
}