/* ==========================================================================
   CONTENT — trang nội dung (category / post / page / search)
   Kế thừa design tokens & component của trang chủ.
   ========================================================================== */

/* ---------- Page hero (tiêu đề trang) ---------- */
.page-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #f3f8fc 0%, var(--color-background-soft) 100%);
}

.page-hero__bg {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(48%, 760px);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.9) 38%, #000 100%);
    mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.9) 38%, #000 100%);
    pointer-events: none;
}

.page-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 40% center;
}

.page-hero__inner {
    position: relative;
    z-index: 1;
    padding: 34px 0 48px;
}

.page-hero__content {
    max-width: 720px;
    margin-top: 28px;
}

.page-hero__title {
    margin-top: 8px;
    font-size: 37px;
    line-height: 1.15;
    letter-spacing: -0.035em;
}

.page-hero__desc {
    max-width: 640px;
    margin-top: 14px;
    font-size: var(--fs-body-lg);
    line-height: 1.6;
}

.page-hero--compact .page-hero__inner {
    padding-bottom: 36px;
}

/* ---------- Khối nội dung ---------- */
.content-section {
    padding: 56px 0 64px;
}

.content-section--soft {
    background: var(--color-background-soft);
}

/* ---------- Thanh lọc (category) ---------- */
.archive-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.archive-toolbar__count {
    font-size: var(--fs-sm);
    color: var(--color-muted);
}

.archive-toolbar__count strong {
    color: var(--color-heading);
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

/* Card nổi bật chiếm 2 cột */
.post-card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
}

.post-card--featured .card__media {
    aspect-ratio: auto;
    min-height: 100%;
}

.post-card--featured .card__body {
    justify-content: center;
    padding: 32px 34px;
}

.post-card--featured .card__title {
    font-size: 21px;
    line-height: 1.25;
}

.post-card--featured .post-card__excerpt {
    font-size: var(--fs-body);
}

.post-card__footer .link-arrow {
    font-size: var(--fs-sm);
}

.post-card__footer .link-arrow .icon {
    font-size: 15px;
}

/* ---------- Bài viết (single) ---------- */
.entry-header {
    padding: 34px 0 0;
    background: linear-gradient(180deg, #f3f8fc 0%, #ffffff 100%);
}

.entry-header__content {
    max-width: 900px;
    margin-top: 26px;
}

.entry-title {
    margin-top: 10px;
    font-size: 35.5px;
    line-height: 1.18;
    letter-spacing: -0.035em;
}

.entry-lead {
    margin-top: 16px;
    font-size: var(--fs-body-lg);
    line-height: 1.6;
}

.entry-header .meta {
    margin-top: 20px;
}

.entry-featured {
    margin-top: 32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.entry-featured img {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
}

.entry-layout {
    padding: 48px 0 64px;
}

/* Cột đọc: giới hạn độ rộng dòng (~780px) */
.entry-content {
    max-width: 780px;
    font-size: 16.5px;
    line-height: 1.75;
    color: #3d5a7d;
}

.entry-content > * + * {
    margin-top: 1.1em;
}

.entry-content h2 {
    margin-top: 1.9em;
    font-size: 25px;
    line-height: 1.25;
    letter-spacing: -0.03em;
}

.entry-content h3 {
    margin-top: 1.6em;
    font-size: 19.5px;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.entry-content h2 + *,
.entry-content h3 + * {
    margin-top: 0.6em;
}

.entry-content a {
    color: var(--color-accent-600);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.entry-content ul,
.entry-content ol {
    padding-left: 1.3em;
}

.entry-content li + li {
    margin-top: 0.4em;
}

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

.entry-content ol li::marker {
    font-weight: 700;
    color: var(--color-orange);
}

.entry-content .check-list {
    list-style: none;
    padding: 0;
}

.entry-content .check-list li {
    position: relative;
    padding-left: 34px;
}

.entry-content .check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.3em;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230892b4' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 13px no-repeat;
}

.entry-content blockquote {
    position: relative;
    margin: 1.8em 0;
    padding: 26px 30px 26px 76px;
    border-radius: var(--radius-md);
    background: var(--color-background-soft);
    border-left: 4px solid var(--color-orange);
    font-family: var(--font-heading);
    font-size: 18.5px;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: -0.015em;
    color: var(--color-heading);
}

.entry-content blockquote .icon {
    position: absolute;
    left: 26px;
    top: 26px;
    font-size: 26.5px;
    color: var(--color-accent);
}

.entry-content blockquote cite {
    display: block;
    margin-top: 10px;
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    font-style: normal;
    font-weight: 400;
    color: var(--color-muted);
}

.entry-content figure {
    margin: 2em 0;
}

.entry-content figure img {
    width: 100%;
    border-radius: var(--radius-md);
}

.entry-content figcaption {
    margin-top: 10px;
    font-size: var(--fs-sm);
    color: var(--color-muted);
    text-align: center;
}

.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: inset 0 0 0 1px var(--color-border);
}

.entry-content table {
    width: 100%;
    min-width: 520px;
    font-size: 15px;
    line-height: 1.5;
}

.entry-content th,
.entry-content td {
    padding: 13px 18px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.entry-content thead th {
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14.5px;
}

.entry-content tbody tr:nth-child(even) {
    background: var(--color-background-tint);
}

.entry-content tbody tr:last-child td {
    border-bottom: 0;
}

.entry-footer {
    max-width: 780px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.share {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--fs-sm);
    color: var(--color-muted);
}

.share a {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--color-background-soft);
    color: var(--color-primary);
}

.share a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.share .icon {
    font-size: 16px;
}

/* Hộp thông tin dự án (sidebar bài viết) */
.fact-list {
    list-style: none;
    padding: 0;
}

.fact-list li {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 11px 0;
    font-size: var(--fs-sm);
    border-bottom: 1px dashed var(--color-border);
}

.fact-list li:last-child {
    border-bottom: 0;
}

.fact-list span {
    color: var(--color-muted);
}

.fact-list strong {
    color: var(--color-heading);
    text-align: right;
}

.toc ol {
    list-style: none;
    padding: 0;
    counter-reset: toc;
}

.toc li {
    counter-increment: toc;
}

.toc a {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    font-size: var(--fs-sm);
    line-height: 1.45;
    color: var(--color-text-strong);
}

.toc a::before {
    content: counter(toc, decimal-leading-zero);
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-orange);
}

.toc a:hover {
    color: var(--color-accent);
}

.sidebar-sticky {
    position: sticky;
    top: calc(var(--header-h) + 24px);
}

/* ---------- Liên quan ---------- */
.related {
    padding: 56px 0 8px;
    background: var(--color-background-soft);
}

.related__head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.related__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.related + .cta {
    background: var(--color-background-soft);
    padding-bottom: 48px;
}

/* ---------- Trang giới thiệu (page) ---------- */
.page-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
}

.page-intro__media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.page-intro__media img {
    width: 100%;
    aspect-ratio: 682 / 418;
    object-fit: cover;
}

.page-intro .entry-content {
    max-width: none;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    margin-top: 56px;
}

.stat {
    padding: 26px 24px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: inset 0 0 0 1px var(--color-border);
}

.stat__value {
    font-family: var(--font-heading);
    font-size: 32.5px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--color-primary);
}

.stat__value sup {
    font-size: 0.5em;
    color: var(--color-orange);
}

.stat__label {
    margin-top: 10px;
    font-size: var(--fs-sm);
    line-height: 1.45;
}

.values {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.value-card {
    padding: 30px 28px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.value-card .icon-circle {
    margin-bottom: 18px;
}

.value-card__title {
    font-size: 18.5px;
    letter-spacing: -0.025em;
}

.value-card__desc {
    margin-top: 8px;
    font-size: var(--fs-sm);
    line-height: 1.6;
}

.section-head {
    max-width: 720px;
}

.section-head .section-title {
    margin-top: 6px;
}

.section-head .section-desc {
    margin-top: 10px;
}

/* Liên hệ */
.contact {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
    align-items: start;
}

.contact-info {
    padding: 34px 32px;
    border-radius: var(--radius-lg);
    background: linear-gradient(160deg, var(--color-primary-600) 0%, var(--color-navy-deep) 100%);
    color: rgba(255, 255, 255, 0.85);
}

.contact-info .section-title {
    color: var(--color-white);
    font-size: 25px;
}

.contact-info .eyebrow {
    color: var(--color-accent-sky);
}

.contact-info p {
    margin-top: 10px;
    font-size: var(--fs-sm);
}

.contact-info .footer-contact {
    margin-top: 24px;
}

.contact-info .footer-contact li {
    padding: 8px 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
}

.contact-info .footer-contact .icon {
    color: var(--color-accent-sky);
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 20px;
    padding: 34px 32px;
    border-radius: var(--radius-lg);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.contact-form .form-field--full {
    grid-column: 1 / -1;
}

.contact-form .form-note {
    font-size: var(--fs-xs);
    color: var(--color-muted);
}

.contact-form .btn {
    justify-self: start;
}

.required {
    color: var(--color-orange);
}

/* ---------- Tìm kiếm ---------- */
.search-hero-form {
    display: flex;
    gap: 10px;
    max-width: 720px;
    margin-top: 24px;
    padding: 8px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.search-hero-form .form-control {
    flex: 1;
    border: 0;
    min-height: 54px;
    font-size: 16.5px;
}

.search-hero-form .form-control:focus {
    box-shadow: none;
}

.search-hero-form .btn {
    min-height: 54px;
}

.search-results {
    list-style: none;
    padding: 0;
}

.search-result {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 24px;
    align-items: center;
    padding: 20px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: inset 0 0 0 1px var(--color-border);
    transition: box-shadow var(--dur) var(--ease);
}

.search-result:hover {
    box-shadow: var(--shadow-md);
}

.search-results li + li {
    margin-top: 16px;
}

.search-result__media img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.search-result__type {
    font-family: var(--font-heading);
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-accent);
}

.search-result__title {
    margin-top: 4px;
    font-size: 18.5px;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.search-result__title a:hover {
    color: var(--color-accent);
}

.search-result__excerpt {
    margin-top: 6px;
    font-size: var(--fs-sm);
    line-height: 1.6;
}

.search-result__excerpt mark {
    padding: 0 2px;
    border-radius: 2px;
    background: #ffe7d6;
    color: var(--color-heading);
}

.search-result .meta {
    margin-top: 10px;
    font-size: var(--fs-xs);
}

.search-empty {
    padding: 36px 32px;
    border-radius: var(--radius-md);
    background: var(--color-background-soft);
    text-align: center;
}

.search-empty .icon-circle {
    margin: 0 auto 14px;
}

/* ---------- Responsive trang nội dung ---------- */
@media (max-width: 1024px) {
    .page-hero__title,
    .entry-title {
        font-size: 31.5px;
    }

    .page-hero__bg {
        width: 60%;
        opacity: 0.55;
    }

    .page-intro,
    .contact {
        grid-template-columns: minmax(0, 1fr);
        gap: 32px;
    }

    .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .values,
    .related__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sidebar-sticky {
        position: static;
    }
}

@media (max-width: 768px) {
    .page-hero__title,
    .entry-title {
        font-size: 25px;
    }

    .page-hero__bg {
        display: none;
    }

    .page-hero__inner {
        padding: 22px 0 32px;
    }

    .page-hero__content,
    .entry-header__content {
        margin-top: 18px;
    }

    .content-section {
        padding: 36px 0 44px;
    }

    .archive-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .post-card--featured {
        grid-template-columns: minmax(0, 1fr);
    }

    .post-card--featured .card__media {
        aspect-ratio: 16 / 10;
    }

    .post-card--featured .card__body {
        padding: 20px 22px 24px;
    }

    .post-card--featured .card__title {
        font-size: 18.5px;
    }

    .entry-content {
        font-size: 16px;
    }

    .entry-content h2 {
        font-size: 20.5px;
    }

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

    .entry-content blockquote {
        padding: 22px 20px 22px 60px;
        font-size: 16.5px;
    }

    .entry-content blockquote .icon {
        left: 18px;
        top: 22px;
        font-size: 21px;
    }

    .entry-featured img {
        aspect-ratio: 16 / 10;
    }

    .values,
    .related__grid,
    .contact-form {
        grid-template-columns: minmax(0, 1fr);
    }

    .contact-form,
    .contact-info {
        padding: 26px 20px;
    }

    .search-result {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
        padding: 14px;
    }

    .related__head {
        flex-wrap: wrap;
        align-items: flex-start;
    }
}

@media (max-width: 420px) {
    .stats {
        grid-template-columns: minmax(0, 1fr);
    }

    .search-hero-form {
        flex-direction: column;
    }
}

.search-empty__action {
    margin-top: 16px;
}

.search-empty .widget__title::after {
    left: 50%;
    transform: translateX(-50%);
}