/* ============================================================
   Page Sections — Styles for customizable page sections
   ------------------------------------------------------------
   Dùng cho các trang đối tác, tin tức với hệ thống page_sections
   Mỗi section type có 1 block CSS riêng để dễ maintain
   ============================================================ */

/* -------- Hero Section (page-level) -------- */
.page-section-hero {
    position: relative;
    min-height: 320px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    color: var(--color-white);
    text-align: center;
}

.page-section-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 11, 11, 0.75) 0%, rgba(11, 11, 11, 0.55) 100%);
}

.page-section-hero__content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.page-section-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.2;
    margin: 0 0 16px;
    color: var(--color-white);
}

.page-section-hero__subtitle {
    font-family: var(--font-display);
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.6;
    color: var(--color-gold-300);
    margin: 0 0 32px;
}

.page-section-hero__button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--color-accent);
    color: var(--color-text-on-gold);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s;
}

.page-section-hero__button:hover {
    background: var(--color-accent-hover);
    gap: 12px;
}

/* -------- Generic Page Section Header -------- */
.page-section {
    padding: 64px 0;
}

.page-section__header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.page-section__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 12px;
    position: relative;
    display: inline-block;
}

.page-section__title::after {
    content: '';
    display: block;
    width: 48px;
    height: 2px;
    background: var(--color-accent);
    margin: 12px auto 0;
}

.page-section__description {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0;
}

.page-section__pagination {
    margin-top: 48px;
    display: flex;
    justify-content: center;
}

.page-section__empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--color-text-muted);
    font-family: var(--font-display);
    font-size: 1.125rem;
}

/* -------- Partners Grid -------- */
.page-section-partners__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

/* -------- Posts Grid -------- */
.page-section-posts__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

/* -------- Stats Section -------- */
.page-section-stats {
    background: var(--color-bg-soft);
}

.page-section-stats__grid {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1080px;
    margin: 0 auto;
    gap: 32px;
    padding: 0 24px;
}

.page-section-stats__item {
    flex: 1;
    min-width: 180px;
    text-align: center;
}

.page-section-stats__number {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.page-section-stats__label {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-text-muted);
}

.page-section-stats__divider {
    width: 1px;
    height: 56px;
    background: var(--color-border);
}

/* -------- CTA Section -------- */
.page-section-cta {
    background: var(--color-cta-bg);
    padding: 80px 24px;
    text-align: center;
    color: var(--color-cta-text);
}

.page-section-cta__inner {
    max-width: 720px;
    margin: 0 auto;
}

.page-section-cta__eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.page-section-cta__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--color-cta-text);
    margin: 0 0 16px;
    line-height: 1.3;
}

.page-section-cta__description {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--color-cta-text-soft);
    margin: 0 0 32px;
}

.page-section-cta__button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--color-accent);
    color: var(--color-text-on-gold);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
}

.page-section-cta__button:hover {
    background: var(--color-accent-hover);
    gap: 12px;
}

.page-section-cta__actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.page-section-cta__button--secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: transparent;
    color: var(--color-cta-button-secondary-text);
    border: 1.5px solid var(--color-accent);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
}

.page-section-cta__button--secondary:hover {
    background: var(--color-accent);
    color: var(--color-text-on-gold);
    gap: 12px;
}

@media (max-width: 600px) {
    .page-section-cta__actions {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }

    .page-section-cta__button--primary,
    .page-section-cta__button--secondary {
        width: 100%;
        justify-content: center;
    }
}

/* -------- Newsletter Section -------- */
.page-section-newsletter {
    background: var(--color-bg);
    padding: 64px 24px;
}

.page-section-newsletter__inner {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.page-section-newsletter__title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 12px;
}

.page-section-newsletter__description {
    font-family: var(--font-display);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0 0 24px;
}

.page-section-newsletter__form {
    display: flex;
    gap: 8px;
    max-width: 480px;
    margin: 0 auto;
}

.page-section-newsletter__input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-display);
    font-size: 15px;
}

.page-section-newsletter__input::placeholder {
    color: var(--color-text-subtle);
}

.page-section-newsletter__input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--alpha-focus-ring);
}

.page-section-newsletter__button {
    padding: 12px 24px;
    background: var(--color-accent);
    color: var(--color-text-on-gold);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s;
}

.page-section-newsletter__button:hover {
    background: var(--color-accent-hover);
}

.page-section-newsletter__success {
    font-family: var(--font-display);
    color: var(--color-success);
    font-weight: 600;
    margin-top: 16px;
}

/* -------- Featured Post -------- */
.page-section-featured-post {
    padding: 64px 24px;
    max-width: 1080px;
    margin: 0 auto;
}

.featured-post-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s;
}

.featured-post-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.featured-post-card__image {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-bg-soft);
}

.featured-post-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-post-card__content {
    padding: 48px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-post-card__badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background: var(--color-accent-soft);
    color: var(--color-accent-hover);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    width: fit-content;
}

.featured-post-card__title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 16px;
    line-height: 1.3;
}

.featured-post-card__title a {
    color: inherit;
    text-decoration: none;
}

.featured-post-card__title a:hover {
    color: var(--color-accent);
}

.featured-post-card__excerpt {
    font-family: var(--font-display);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0 0 20px;
}

.featured-post-card__meta {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-text-subtle);
    margin-bottom: 24px;
}

.featured-post-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    font-size: 15px;
    transition: gap 0.2s;
}

.featured-post-card__link:hover {
    gap: 10px;
}

/* -------- Dark theme overrides -------- */
:root[data-theme="dark"] .page-section-stats {
    background: var(--color-bg-soft);
}

:root[data-theme="dark"] .page-section-newsletter {
    background: var(--color-bg-soft);
}

:root[data-theme="dark"] .featured-post-card {
    background: var(--color-bg-soft);
    border-color: var(--color-border);
}

:root[data-theme="dark"] .page-section-newsletter__input {
    background: var(--color-bg-soft);
    border-color: var(--color-border);
}

:root[data-theme="dark"] .page-section-newsletter__button {
    background: var(--color-accent);
    color: var(--color-text-on-gold);
}

:root[data-theme="dark"] .page-section-newsletter__button:hover {
    background: var(--color-accent-hover);
}

/* -------- Responsive -------- */
@media (max-width: 768px) {
    .page-section-hero {
        min-height: 240px;
        padding: 56px 16px;
    }

    .page-section {
        padding: 48px 0;
    }

    .page-section-partners__grid,
    .page-section-posts__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .page-section-stats__grid {
        flex-direction: column;
        gap: 24px;
    }

    .page-section-stats__divider {
        width: 48px;
        height: 1px;
    }

    .featured-post-card {
        grid-template-columns: 1fr;
    }

    .featured-post-card__content {
        padding: 24px;
    }

    .page-section-newsletter__form {
        flex-direction: column;
    }
}

/* ============================================================
   Card variants (blog-card & partner-card) — dùng ở page sections
   ------------------------------------------------------------
   Class mới BEM (`blog-card__title`, `partner-card__link`...)
   được dùng bởi partials page-sections; thêm styles + font
   ở đây để không phụ thuộc vào class c� trong home.css.
   ============================================================ */

.blog-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--duration-base) var(--ease-out),
                box-shadow var(--duration-base) var(--ease-out);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.blog-card__image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg-soft);
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms var(--ease-out);
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.04);
}

.blog-card__content {
    padding: 24px;
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 0.8125rem;
    color: var(--color-text-subtle);
    margin-bottom: 12px;
}

.blog-card__author {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-card__author::before {
    content: '·';
    color: var(--color-border-strong);
}

.blog-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text);
    margin: 0 0 12px;
}

.blog-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

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

.blog-card__excerpt {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    transition: gap var(--duration-fast) var(--ease-out);
}

.blog-card__link:hover {
    gap: 10px;
}

:root[data-theme="dark"] .blog-card {
    background: var(--color-bg-soft);
    border-color: var(--color-border);
}

:root[data-theme="dark"] .blog-card__title a:hover {
    color: var(--color-accent);
}

.partner-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--duration-base) var(--ease-out),
                box-shadow var(--duration-base) var(--ease-out);
}

.partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.partner-card__image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg-soft);
}

.partner-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.partner-card__content {
    padding: 24px;
}

.partner-card__logo {
    width: 72px;
    height: 72px;
    margin-bottom: 16px;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-card__logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.partner-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text);
    margin: 0 0 12px;
}

.partner-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

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

.partner-card__excerpt {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.partner-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--color-divider);
}

.partner-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    transition: gap var(--duration-fast) var(--ease-out);
}

.partner-card__link:hover {
    gap: 10px;
}

.partner-card__website {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease-out);
}

.partner-card__website:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

:root[data-theme="dark"] .partner-card {
    background: var(--color-bg-soft);
    border-color: var(--color-border);
}

:root[data-theme="dark"] .partner-card__footer {
    border-color: var(--color-border);
}