/**
 * KineKracht Blog Styles
 * SEO-optimized blog with author attribution
 */

/* ==========================================================================
   CSS Variables (matching site theme)
   ========================================================================== */
:root {
    --blog-primary: #203965;
    --blog-accent: #aeaa8b;
    --blog-text: #999999;
    --blog-text-dark: #464646;
    --blog-text-body: #666666;
    --blog-bg: #F5F8FB;
    --blog-white: #ffffff;
    --blog-border: #eeeeee;
    --blog-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --blog-radius: 8px;
}

/* ==========================================================================
   Blog Filter Bar
   ========================================================================== */
.blog-filters {
    background: var(--blog-white);
    padding: 20px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--blog-border);
}

.blog-filters__categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.blog-filters__category {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: 13px;
    color: var(--blog-text-dark);
    text-decoration: none;
    transition: all 0.2s ease;
}

.blog-filters__category:hover {
    border-color: var(--blog-primary);
    color: var(--blog-primary);
}

.blog-filters__category.active {
    background: var(--blog-primary);
    border-color: var(--blog-primary);
    color: var(--blog-white);
}

.blog-filters__authors {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.blog-filters__authors-label {
    font-size: 13px;
    color: var(--blog-text);
    margin-right: 5px;
}

.blog-filters__author {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.blog-filters__author:hover,
.blog-filters__author.active {
    opacity: 1;
}

.blog-filters__author-photo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid transparent;
    transition: border-color 0.2s ease;
}

.blog-filters__author.active .blog-filters__author-photo {
    border-color: var(--blog-accent);
}

.blog-filters__author-name {
    font-size: 11px;
    color: var(--blog-text-dark);
    margin-top: 4px;
}

/* Mobile: horizontal scroll for categories */
@media (max-width: 767px) {
    .blog-filters__categories {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 10px;
        margin-bottom: 10px;
    }

    .blog-filters__category {
        white-space: nowrap;
    }
}

/* ==========================================================================
   Blog Card Grid
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

@media (max-width: 991px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Blog Card Component
   ========================================================================== */
.blog-card {
    background: var(--blog-white);
    border-radius: var(--blog-radius);
    box-shadow: var(--blog-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.blog-card__image {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.05);
}

.blog-card__reading-time {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--blog-primary);
    color: var(--blog-white);
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 600;
}

.blog-card__content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card__category {
    display: inline-block;
    background: var(--blog-accent);
    color: var(--blog-white);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 3px;
    text-decoration: none;
    margin-bottom: 12px;
    align-self: flex-start;
}

.blog-card__category:hover {
    background: #9d9979;
    color: var(--blog-white);
}

.blog-card__title {
    font-family: 'Nunito', sans-serif;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 12px 0;
}

.blog-card__title a {
    color: var(--blog-text-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.blog-card__title a:hover {
    color: var(--blog-primary);
}

.blog-card__excerpt {
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--blog-text);
    margin: 0 0 auto;
    padding-bottom: 15px;
}

.blog-card__author {
    display: flex;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--blog-border);
    margin-top: auto;
}

.blog-card__author-photo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--blog-accent);
    margin-right: 12px;
}

.blog-card__author-info {
    display: flex;
    flex-direction: column;
}

.blog-card__author-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--blog-text-dark);
}

.blog-card__date {
    font-size: 12px;
    color: var(--blog-text);
}

/* ==========================================================================
   Article Page - Header
   ========================================================================== */
.article-header {
    max-width: 800px;
    margin: 0 auto 40px;
}

.article-header__image {
    width: 100%;
    border-radius: var(--blog-radius);
    margin-bottom: 30px;
}

.article-header__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.article-header__category {
    display: inline-block;
    background: var(--blog-accent);
    color: var(--blog-white);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 5px 12px;
    border-radius: 3px;
    text-decoration: none;
}

.article-header__date,
.article-header__reading-time {
    font-size: 14px;
    color: var(--blog-text);
}

.article-header__date i,
.article-header__reading-time i {
    margin-right: 5px;
}

.article-header__title {
    font-family: 'Nunito', sans-serif;
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--blog-text-dark);
    margin: 0 0 25px;
}

@media (max-width: 767px) {
    .article-header__title {
        font-size: 28px;
    }
}

/* Mini Author Box (in header) */
.article-author-mini {
    display: flex;
    align-items: center;
    padding: 15px;
    background: var(--blog-bg);
    border-radius: var(--blog-radius);
}

.article-author-mini__photo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--blog-accent);
    margin-right: 15px;
}

.article-author-mini__info {
    display: flex;
    flex-direction: column;
}

.article-author-mini__name {
    font-size: 16px;
    font-weight: 600;
    color: var(--blog-text-dark);
}

.article-author-mini__name a {
    color: inherit;
    text-decoration: none;
}

.article-author-mini__name a:hover {
    color: var(--blog-primary);
}

.article-author-mini__title {
    font-size: 14px;
    color: var(--blog-text);
}

/* ==========================================================================
   Article Page - Content Layout
   ========================================================================== */
.article-layout {
    display: flex;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.article-layout__sidebar {
    width: 220px;
    flex-shrink: 0;
}

.article-layout__content {
    flex-grow: 1;
    min-width: 0;
}

@media (max-width: 991px) {
    .article-layout {
        flex-direction: column;
    }

    .article-layout__sidebar {
        width: 100%;
        order: -1;
    }
}

/* ==========================================================================
   Table of Contents
   ========================================================================== */
.article-toc {
    background: var(--blog-bg);
    border-radius: var(--blog-radius);
    padding: 20px;
}

.article-toc.is-sticky {
    position: sticky;
    top: 100px;
}

.article-toc__title {
    font-family: 'Nunito', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--blog-text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 15px;
}

.article-toc__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.article-toc__item {
    margin-bottom: 8px;
}

.article-toc__link {
    display: block;
    font-size: 14px;
    color: var(--blog-text);
    text-decoration: none;
    padding: 6px 0 6px 12px;
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
}

.article-toc__link:hover {
    color: var(--blog-primary);
    border-left-color: var(--blog-accent);
}

.article-toc__link.active {
    color: var(--blog-primary);
    font-weight: 600;
    border-left-color: var(--blog-primary);
}

/* Mobile TOC as accordion */
@media (max-width: 991px) {
    .article-toc {
        margin-bottom: 30px;
    }

    .article-toc__title {
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 0;
    }

    .article-toc__title::after {
        content: '\f078';
        font-family: 'FontAwesome';
        font-size: 12px;
        transition: transform 0.2s ease;
    }

    .article-toc.is-open .article-toc__title::after {
        transform: rotate(180deg);
    }

    .article-toc__list {
        display: none;
        padding-top: 15px;
    }

    .article-toc.is-open .article-toc__list {
        display: block;
    }
}

/* ==========================================================================
   Article Content Typography
   ========================================================================== */
.article-content {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--blog-text-body);
}

.article-content h2 {
    font-family: 'Nunito', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--blog-text-dark);
    margin: 40px 0 20px;
    scroll-margin-top: 100px;
}

.article-content h3 {
    font-family: 'Nunito', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--blog-text-dark);
    margin: 30px 0 15px;
}

.article-content p {
    margin: 0 0 20px;
}

.article-content ul,
.article-content ol {
    margin: 0 0 20px;
    padding-left: 25px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content ul li::marker {
    color: var(--blog-accent);
}

.article-content blockquote {
    margin: 30px 0;
    padding: 20px 25px;
    background: #f9f9f9;
    border-left: 4px solid var(--blog-accent);
    font-style: italic;
}

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

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--blog-radius);
    margin: 20px 0;
}

.article-content figcaption {
    font-size: 14px;
    color: var(--blog-text);
    text-align: center;
    margin-top: -10px;
    margin-bottom: 20px;
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.article-faq {
    background: var(--blog-bg);
    border-radius: var(--blog-radius);
    padding: 30px;
    margin: 40px 0;
}

.article-faq__title {
    font-family: 'Nunito', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--blog-text-dark);
    margin: 0 0 20px;
}

.faq-item {
    border-bottom: 1px solid #ddd;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--blog-text-dark);
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--blog-primary);
}

.faq-question i {
    font-size: 14px;
    color: var(--blog-text);
    transition: transform 0.3s ease;
}

.faq-item.is-open .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 0 20px;
}

.faq-item.is-open .faq-answer {
    display: block;
}

.faq-answer p {
    margin: 0;
    font-size: 15px;
    line-height: 1.7;
    color: var(--blog-text-body);
}

/* ==========================================================================
   Author Bio Box (End of Article)
   ========================================================================== */
.author-bio {
    display: flex;
    gap: 25px;
    background: var(--blog-white);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 30px;
    margin: 50px 0;
}

@media (max-width: 767px) {
    .author-bio {
        flex-direction: column;
        text-align: center;
    }
}

.author-bio__photo {
    flex-shrink: 0;
}

.author-bio__photo img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--blog-accent);
}

@media (max-width: 767px) {
    .author-bio__photo img {
        width: 100px;
        height: 100px;
    }
}

.author-bio__content {
    flex-grow: 1;
}

.author-bio__label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--blog-accent);
    margin-bottom: 5px;
}

.author-bio__name {
    font-family: 'Nunito', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--blog-text-dark);
    margin: 0 0 5px;
}

.author-bio__name a {
    color: inherit;
    text-decoration: none;
}

.author-bio__name a:hover {
    color: var(--blog-primary);
}

.author-bio__title {
    font-size: 14px;
    color: var(--blog-text);
    margin: 0 0 15px;
}

.author-bio__bio {
    font-size: 15px;
    line-height: 1.6;
    color: var(--blog-text-body);
    margin: 0 0 15px;
}

.author-bio__specializations {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

@media (max-width: 767px) {
    .author-bio__specializations {
        justify-content: center;
    }
}

.author-bio__spec-tag {
    display: inline-block;
    background: var(--blog-accent);
    color: var(--blog-white);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 3px;
}

.author-bio__actions {
    display: flex;
    gap: 12px;
}

@media (max-width: 767px) {
    .author-bio__actions {
        justify-content: center;
        flex-wrap: wrap;
    }
}

.author-bio__actions .btn-outline {
    background: transparent;
    border: 2px solid var(--blog-primary);
    color: var(--blog-primary);
}

.author-bio__actions .btn-outline:hover {
    background: var(--blog-primary);
    color: var(--blog-white);
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.article-cta {
    background: var(--blog-primary);
    border-radius: var(--blog-radius);
    padding: 40px;
    text-align: center;
    margin: 40px 0;
}

.article-cta__title {
    font-family: 'Nunito', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--blog-white);
    margin: 0 0 20px;
}

.article-cta__actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.article-cta .btn {
    padding: 12px 25px;
}

.article-cta .btn-white {
    background: var(--blog-white);
    color: var(--blog-primary);
    border: none;
}

.article-cta .btn-white:hover {
    background: #f0f0f0;
}

.article-cta .btn-outline-white {
    background: transparent;
    border: 2px solid var(--blog-white);
    color: var(--blog-white);
}

.article-cta .btn-outline-white:hover {
    background: var(--blog-white);
    color: var(--blog-primary);
}

/* ==========================================================================
   Related Articles
   ========================================================================== */
.related-articles {
    margin: 50px 0;
    padding-top: 40px;
    border-top: 1px solid var(--blog-border);
}

.related-articles__title {
    font-family: 'Nunito', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--blog-text-dark);
    margin: 0 0 30px;
}

.related-articles .blog-grid {
    margin-bottom: 0;
}

/* ==========================================================================
   Blog Page Header Override
   ========================================================================== */
.blog-page-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 30px;
}

.blog-page-intro__subtitle {
    font-size: 18px;
    color: var(--blog-text);
    margin: 0;
}

/* ==========================================================================
   Empty State
   ========================================================================== */
.blog-empty {
    text-align: center;
    padding: 60px 20px;
    background: var(--blog-bg);
    border-radius: var(--blog-radius);
}

.blog-empty__icon {
    font-size: 48px;
    color: #ddd;
    margin-bottom: 20px;
}

.blog-empty__title {
    font-family: 'Nunito', sans-serif;
    font-size: 24px;
    color: var(--blog-text-dark);
    margin: 0 0 10px;
}

.blog-empty__text {
    font-size: 16px;
    color: var(--blog-text);
    margin: 0;
}