/* ==========================================================================
   Insight Category Listing Page Styles - Double T
   Complies strictly with design.md and AGENTS.md rules
   NO custom font-size, line-height, letter-spacing, or font-weight declarations (Rule 6)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Header Overrides for Category Page (Solid White Header)
   -------------------------------------------------------------------------- */
body .header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-default);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

body .header-top {
    border-bottom-color: var(--border-default);
}

body .header-top-slogan,
body .header-top-link,
body .header-lang-trigger {
    color: var(--txt-icon-secondary);
}

body .header-top-divider {
    background-color: var(--border-default);
}

body .header-logo img {
    filter: none;
}

body .header-menu-item {
    color: var(--txt-icon-primary);
}

body .header-menu-item:hover,
body .header-menu-item.active {
    color: var(--primary-1);
}

body .header-cta-wrap:after,
body .header-cta-wrap:before {
    background-color: var(--border-default);
}

/* --------------------------------------------------------------------------
   1. Hero Banner (Split Diagonal Hero with Container Aligned Content)
   -------------------------------------------------------------------------- */
.psd-section-head {
    display: flex;
    align-items: flex-end;
    border-bottom: var(--1px) solid #DCDFE8;
    margin-bottom: 3.2rem;
    position: relative;
}

.psd-section-tag {
    background: var(--linear-primary);
    color: var(--white);
    padding: 1.1rem 3.2rem;
    --cut: 2.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: calc(-1 * var(--1px));
}

.psd-section-line {
    display: none;
}

/* --------------------------------------------------------------------------
   1. Hero Banner (Split Diagonal Hero)
   -------------------------------------------------------------------------- */
.detail-hero {
    --hero-cut: 88%;
    --hero-line: 0.4rem;
    position: relative;
    overflow: hidden;
    background-color: #0A5A66;
    margin-top: 10.4rem;
}

.detail-hero-inner {
    position: relative;
    min-height: 29.6rem;
    display: flex;
    align-items: stretch;
    isolation: isolate;
}

.detail-hero-panel {
    position: relative;
    z-index: 2;
    width: 65%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: 6rem;
    background: var(--primary-1);
    clip-path: polygon(0 0, var(--hero-cut) 0, 100% 100%, 0 100%);
}

.detail-hero-panel-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 1;
    --commit-hero-panel-bg: var(--linear-primary-90);
    backdrop-filter: blur(1.6rem);
}

/* Diagonal Separator Line matching the clip-path slope */
.detail-hero-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-color: var(--primary-1);
    clip-path: polygon(calc(var(--hero-cut) - var(--hero-line)) 0, 100% 0, 100% 100%, calc(100% - var(--hero-line)) 100%);
}

.detail-hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-right: 12rem;
}

.detail-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.8rem;
    margin-bottom: 2.4rem;
    color: var(--white);
    width: 100%;
    max-width: 30rem;
}

.detail-breadcrumb a {
    color: inherit;
    opacity: .6;
    transition: opacity var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.detail-breadcrumb a:hover {
    opacity: 1;
}

.detail-breadcrumb .current {
    color: var(--white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    flex: 1;
    max-width: none;
    height: 100%;
    max-height: 2.3rem;
}

.detail-breadcrumb-devi {
    opacity: .6;
    flex-shrink: 0;
}

.detail-hero-title {
    color: var(--white);
    margin-bottom: 0;
    text-transform: uppercase;
}

.detail-hero-media {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 48%;
    z-index: 1;
}

@media screen and (min-width: 1441px) {
    .detail-hero-container {
        margin-left: calc((100% - 93.6rem) / 1.3);
        margin-right: 0;
    }
}

@media screen and (max-width: 991px) {
    .detail-hero-title br {
        display: none;
    }

    .detail-hero-inner {
        flex-direction: column;
        min-height: unset;
    }

    .detail-hero-panel {
        clip-path: none;
        padding-block: 10rem 8rem;
    }

    .detail-hero-media {
        position: unset;
    }

    .detail-hero-panel::after {
        content: none;
    }

    .detail-hero-panel,
    .detail-hero-media {
        width: 100%;
    }

    .detail-hero {
        background-color: unset;
        margin-top: 6.3rem;
        flex-direction: column;
        min-height: unset;
    }

    .detail-hero-media {
        padding: 4.8rem 3.2rem;
    }

    .detail-hero-panel {
        min-height: 55rem;
        align-items: center;
        display: flex;
    }

    .detail-hero-inner {
        width: 100%;
    }
}

@media screen and (max-width: 767px) {
    .detail-hero {
        margin-top: 6rem;
    }

    .detail-hero-container {
        padding-right: 1.5rem;
    }

    .detail-hero-panel {
        padding-block: 6.8rem 3.2rem;
        min-height: 26.4rem;
        align-items: end;
    }

    .detail-breadcrumb {
        flex-wrap: nowrap;
        margin-bottom: 1.6rem;
    }

    .detail-hero-media {
        padding: 2.4rem 1.5rem;
        aspect-ratio: 4/3;
    }

}

/* --------------------------------------------------------------------------
   2. Main Article Section (3-Column Layout: Share | Article | TOC)
   -------------------------------------------------------------------------- */
.detail-main-section {
    padding-block: 8rem;
    background-color: var(--white);
    position: relative;
}

.detail-layout {
    display: grid;
    grid-template-columns: 4rem minmax(0, 1fr) 29.6rem;
    gap: 4.8rem;
    align-items: stretch;
}

/* --------------------------------------------------------------------------
   3. Column 1: Sticky Social Share Bar
   -------------------------------------------------------------------------- */
.detail-share-col {
    position: relative;
    height: 100%;
    align-self: stretch;
}

.detail-share-sticky {
    position: sticky;
    top: 14rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.6rem;
}

.detail-share-label {
    color: var(--txt-icon-secondary);
    text-transform: uppercase;
    display: block;
    text-align: center;
}

.detail-share-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.detail-share-btn {
    width: 4.8rem;
    height: 4.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    --cut: 1.2rem;
    background-color: #D6DFE8;
    clip-path: polygon(var(--cut) 0%, 100% 0%, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0% 100%, 0% var(--cut));
    border: none;
    color: var(--primary-2);
    text-decoration: none;
    cursor: pointer;
    position: relative;
    padding: 0;
    transition: background-color var(--transition), color var(--transition), transform var(--transition);
}

.detail-share-btn::before {
    content: '';
    position: absolute;
    inset: var(--1px);
    background-color: var(--white);
    clip-path: polygon(calc(var(--cut) - var(--1px)) 0%,
            100% 0%,
            100% calc(100% - (var(--cut) - var(--1px))),
            calc(100% - (var(--cut) - var(--1px))) 100%,
            0% 100%,
            0% calc(var(--cut) - var(--1px)));
    transition: background-color var(--transition);
    z-index: 1;
}

.detail-share-btn svg {
    width: 2rem;
    height: 2rem;
    position: relative;
    z-index: 2;
    transition: transform var(--transition), color var(--transition);
}

.detail-share-btn:hover {
    background-color: var(--secondary-2);
    color: var(--white);
    transform: translateY(-2px);
}

.detail-share-btn:hover::before {
    background-color: var(--secondary-2);
}

.detail-share-btn:hover svg {
    transform: scale(1.1);
}

/* --------------------------------------------------------------------------
   4. Column 2: Main Article Content
   -------------------------------------------------------------------------- */
.detail-article-col {
    position: relative;
}

.detail-featured-img-wrap {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: #0A5A66;
    margin-bottom: 4.8rem;
    --cut: 2.4rem;
}

.detail-featured-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.detail-article-header {
    margin-bottom: 1.6rem;
}

.detail-article-headline {
    color: var(--txt-heading);
    margin-bottom: 1.6rem;
}

.detail-article-lead {
    color: var(--txt-body);
}

.detail-article-content {
    display: flex;
    flex-direction: column;
}

.detail-section {
    margin-bottom: 4.8rem;
    scroll-margin-top: 14rem;
}

.detail-section-title {
    color: var(--txt-icon-secondary);
    margin-bottom: 1.6rem;
}

.detail-section p {
    color: var(--txt-body);
    margin-bottom: 1.6rem;
}

.detail-p:last-child {
    margin-bottom: 0;
}

/* Industrial Feature Callout Box */
.detail-callout {
    background-color: #FAFBFD;
    border: 1px solid #E8EBF0;
    padding: 2.8rem 3.2rem 2.8rem 3.6rem;
    margin-block: 3.2rem;
    position: relative;
    --cut: 2rem;
    overflow: hidden;
}

.detail-callout-line {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 0.4rem;
    background-color: var(--primary-1);
}

.detail-callout-quote {
    color: var(--primary-2);
    font-style: italic;
    margin-bottom: 1.2rem;
}

.detail-callout-author {
    color: var(--secondary);
    display: block;
    text-transform: uppercase;
}

/* Inline Article Figure */
.detail-inline-figure {
    margin-top: 4.8rem;
}

.detail-inline-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    --cut: 2rem;
    background-color: #0A5A66;
}

.detail-inline-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.detail-caption {
    color: var(--txt-icon-secondary);
    margin-top: 1rem;
    font-style: italic;
    text-align: center;
    margin-top: 1.6rem;
}

/* Industrial Bullet List */
.detail-bullet-list {
    list-style: none;
    padding: 0;
    margin-block: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.detail-bullet-list li {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    color: var(--txt-body);
}

.detail-bullet-icon {
    width: 0.8rem;
    height: 0.8rem;
    min-width: 0.8rem;
    background-color: var(--primary-1);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    margin-top: 0.7rem;
}

/* --------------------------------------------------------------------------
   4.1. Previous / Next Article Navigation Bar
   -------------------------------------------------------------------------- */
.detail-article-nav {
    padding-top: 3.2rem;
    border-top: 1px solid #E8EBF0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4.8rem;
}

.detail-nav-item {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition);
}

.detail-nav-prev {
    align-items: flex-start;
    text-align: left;
}

.detail-nav-prev:hover {
    transform: translateX(-4px);
}

.detail-nav-next {
    align-items: flex-end;
    text-align: right;
}

.detail-nav-next:hover {
    transform: translateX(4px);
}

.detail-nav-label {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}

.detail-nav-arrow {
    width: 0.8rem;
    height: 1.2rem;
    stroke: var(--primary-2);
    stroke-width: 2.2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform var(--transition), stroke var(--transition);
}

.detail-nav-prev:hover .detail-nav-arrow {
    transform: translateX(-3px);
}

.detail-nav-next:hover .detail-nav-arrow {
    transform: translateX(3px);
}

.detail-nav-tag {
    color: var(--txt-icon-primary);
    text-transform: uppercase;
    transition: color var(--transition);
}

.detail-nav-title {
    color: var(--txt-icon-primary);
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition);
}

.detail-nav-item:hover .detail-nav-tag,
.detail-nav-item:hover .detail-nav-title {
    color: var(--secondary-2);
}

.detail-nav-item:hover .detail-nav-arrow {
    stroke: var(--secondary-2);
}

/* --------------------------------------------------------------------------
   5. Column 3: Sticky Table of Contents Card
   -------------------------------------------------------------------------- */
.detail-toc-col {
    position: relative;
    height: 100%;
    align-self: stretch;
}

.detail-toc-sticky {
    position: sticky;
    top: 14rem;
}

.detail-toc-card {
    background-color: #DCDFE8;
    border: none;
    padding: 3.2rem;
    position: relative;
    --cut: 3.2rem;
    clip-path: polygon(var(--cut) 0%, 100% 0%, 100% 100%, 0% 100%, 0% var(--cut));
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

/* Inner white background clipped with offset to preserve continuous 1px border */
.detail-toc-card::before {
    content: '';
    position: absolute;
    inset: var(--1px);
    background-color: var(--white);
    clip-path: polygon(calc(var(--cut) - var(--1px)) 0%,
            100% 0%,
            100% 100%,
            0% 100%,
            0% calc(var(--cut) - var(--1px)));
    z-index: 0;
    pointer-events: none;
}

.detail-toc-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 3.2rem;
    height: 3.2rem;
    background-color: var(--secondary);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
    pointer-events: none;
    z-index: 2;
}

.detail-toc-head,
.detail-toc-list {
    position: relative;
    z-index: 1;
}

.detail-toc-head {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1.6rem;
}

.detail-toc-icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary-2);
}

.detail-toc-title {
    color: #14171F;
    text-transform: uppercase;
    margin-bottom: 0;
}

.detail-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.detail-toc-item {
    position: relative;
}

.detail-toc-link {
    display: block;
    color: #14171F;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: color var(--transition), border-color var(--transition), background-color var(--transition);
    border-radius: 0 4px 4px 0;
}

.detail-toc-link:hover {
    color: var(--primary-2);
}

.detail-toc-link.active {
    color: var(--primary-2);
    /* background-color: rgba(0, 165, 181, 0.06); */
}

.detail-toc-link.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: -1.6rem;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-2);
}

.detail-toc-list::before {
    content: '';
    position: absolute;
    top: 0;
    left: -1.6rem;
    bottom: 0;
    width: 2px;
    background-color: #EDEFF4;
}

@media screen and (max-width:991px) {
    .detail-share-col {
        order: 2;
    }

    .detail-layout {
        display: flex;
        flex-direction: column;
    }

    .detail-toc-link.active {
        color: #14171F;
    }

    .detail-toc-link.active::before {
        content: none;
    }

    .detail-main-section {
        padding-block: 0 6.4rem;
    }


    /* Move share bar horizontal */
    .detail-share-sticky {
        position: static;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        gap: 1.6rem;
    }

    .detail-share-list {
        flex-direction: row;
    }

    .detail-toc-col {
        order: -1;
    }

    .detail-toc-sticky {
        position: static;
    }

    .detail-toc-card {
        max-width: 100%;
    }
}

@media screen and (max-width: 767px) {
    .detail-layout {
        grid-template-columns: 1fr;
        gap: 3.2rem;
    }

    .detail-section {
        margin-bottom: 3.2rem;
    }

    .detail-share-col {
        margin-top: -3.2rem;
    }

    .detail-toc-card {
        padding: 3.2rem;
    }

    .detail-toc-list {
        gap: .8rem;
    }

    .detail-toc-list::before {
        content: none;
    }

    .detail-featured-img-wrap {
        margin-bottom: 3.2rem;
    }

    .detail-article-header {
        margin-bottom: 1.2rem;
    }

    .detail-section-title {
        margin-bottom: 1.2rem;
    }

    .detail-section p {
        margin-bottom: 1.2rem;
    }

    .detail-inline-figure {
        margin-top: 3.2rem;
    }
}

/* Bottom-Right Red Accent Triangle moved to ::after of .detail-toc-card */

/* --------------------------------------------------------------------------
   6. Related Articles Section
   -------------------------------------------------------------------------- */
.detail-related-section {
    padding-block: 8rem 8rem;
    background-color: #FAFBFD;
    border-top: 1px solid #E8EBF0;
    overflow: hidden;
}

.detail-related-bar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    border-bottom: 1px solid #E8EBF0;
    margin-bottom: 4rem;
}

.detail-related-tag {
    background: var(--linear-primary);
    color: var(--white);
    padding: 0.8rem 2.4rem;
    --cut: 1.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: -1px;
}

.detail-related-tag-text {
    color: var(--white);
    text-transform: uppercase;
}

.detail-related-viewall {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--primary-2);
    text-decoration: none;
    padding-bottom: 0.8rem;
    transition: color var(--transition), transform var(--transition);
}

.detail-related-viewall:hover {
    color: var(--primary-1);
    transform: translateX(4px);
}

.detail-related-viewall-text {
    color: var(--txt-icon-primary);
    text-transform: uppercase;
}

.detail-related-viewall-icon {
    width: 0.8rem;
    height: 1.2rem;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.detail-related-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 3.2rem;
    padding-bottom: 3.2rem;
}

.detail-related-card {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
    text-decoration: none;
    height: 100%;
    color: var(--txt-icon-primary);
}

.detail-related-img {
    position: relative;
    width: 100%;
    padding-top: 75%;
    overflow: hidden;
    background-color: #0A5A66;
    --cut: 2rem;
}

.detail-related-img img {
    position: absolute;
    inset: 0;
}

.detail-related-title {
    color: var(--txt-heading);
    transition: color var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.detail-related-card:hover .detail-related-title {
    color: var(--secondary-2);
}


/* Navigation Controls */
.detail-related-wrap {
    position: relative;
}

.psd-other-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 4.4rem;
    height: 4.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    color: var(--primary-2);
    border: 1px solid #E2E5EC;
    box-shadow: 0 0.8rem 2.4rem rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), opacity var(--transition);
}

.psd-other-prev {
    left: -2.2rem;
}

.psd-other-next {
    right: -2.2rem;
}

.psd-other-nav:hover {
    background-color: var(--secondary);
    color: var(--white);
    border-color: var(--secondary);
    transform: translateY(-50%) scale(1.06);
}

.psd-other-nav.swiper-button-disabled {
    opacity: 0;
    pointer-events: none;
}

/* Pagination Dots */
.psd-other-pagination {
    position: absolute;
    bottom: 0rem !important;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.8rem;
    z-index: 5;
}

.psd-other-pagination .swiper-pagination-bullet {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    background-color: #DCDFE8;
    opacity: 1;
    margin: 0 !important;
    cursor: pointer;
    transition: background-color var(--transition), transform var(--transition);
}

.psd-other-pagination .swiper-pagination-bullet-active {
    background-color: var(--primary-2);
    transform: scale(1.3);
}


/* --------------------------------------------------------------------------
   7. Floating Copy Toast Notification
   -------------------------------------------------------------------------- */
.detail-toast {
    width: max-content;
    position: fixed;
    bottom: 3.2rem;
    left: 50%;
    transform: translateX(-50%) translateY(2rem);
    background-color: var(--primary-2);
    color: var(--white);
    padding: 1.2rem 2.4rem;
    border-radius: 9999px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
    z-index: 999;
}

.detail-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.detail-toast-icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary-1);
}

.detail-toast-text {
    color: var(--white);
}

/* --------------------------------------------------------------------------
   8. Responsive Media Queries
   -------------------------------------------------------------------------- */

@media screen and (max-width: 991px) {
    .detail-related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 3.2rem 2rem;
    }
}

@media screen and (max-width: 767px) {
    .detail-related-bar {
        margin-bottom: 2.4rem;
    }

    .detail-related-section {
        padding-block: 4.8rem;
    }

    .detail-related-grid {
        grid-template-columns: 1fr;
        gap: 2.8rem;
        padding-bottom: 2.4rem;
    }

    .detail-article-nav {
        grid-template-columns: 1fr;
        gap: 3.2rem;
        margin-top: 4rem;
        padding-top: 3.2rem;
    }

    .detail-nav-next {
        align-items: flex-start;
        text-align: left;
    }

    .detail-related-tag {
        padding: 1rem 1.6rem;
    }
}