/* Blog & content SEO platform styles
   Uses the color/spacing tokens already defined in style.css (--primary-color etc). */

/* ---------------------------------------------------------------------
   Breadcrumb
--------------------------------------------------------------------- */
.blog-breadcrumb {
    margin: 6rem 0 1.5rem;
}
.blog-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.875rem;
    color: var(--text-light);
}
.blog-breadcrumb li {
    display: flex;
    align-items: center;
}
.blog-breadcrumb a {
    color: var(--text-light);
    text-decoration: none;
}
.blog-breadcrumb a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}
.blog-breadcrumb-sep {
    margin: 0 0.5rem;
    color: var(--border-color);
}
.blog-breadcrumb [aria-current="page"] {
    color: var(--text-dark);
    font-weight: 600;
}

/* ---------------------------------------------------------------------
   Card grid
--------------------------------------------------------------------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.blog-card {
    background: var(--bg-white);
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.blog-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.blog-card-cover {
    display: block;
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-gray);
}
.blog-card-cover-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.blog-card-body {
    padding: 1.75rem;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
    color: var(--text-light);
}
.blog-card-category {
    font-weight: 600;
    color: var(--primary-color);
}

.blog-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-dark);
    margin-bottom: 0.6rem;
}

.blog-card-excerpt {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
}
.blog-card-cta i {
    width: 16px;
    height: 16px;
}

.blog-empty {
    padding: 3rem 1rem;
    text-align: center;
    color: var(--text-light);
    font-size: 1.05rem;
}

/* ---------------------------------------------------------------------
   Archive header (category / tag / author)
--------------------------------------------------------------------- */
.blog-archive-header {
    max-width: 48rem;
}
.blog-archive-kicker {
    display: block;
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}
.blog-archive-description {
    color: var(--text-light);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-top: 0.75rem;
}

.blog-author-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-top: 1.5rem;
}
.blog-author-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-gray);
    flex-shrink: 0;
}
.blog-author-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    font-weight: 700;
    font-size: 1.5rem;
}

/* ---------------------------------------------------------------------
   Category / tag chip lists
--------------------------------------------------------------------- */
.blog-category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin: 2rem 0 1rem;
}
.blog-category-chip {
    padding: 0.5rem 1.1rem;
    border-radius: 999px;
    background: var(--bg-gray);
    color: var(--text-dark);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}
.blog-category-chip:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.blog-category-chip.is-active {
    background: var(--primary-color);
    color: #fff;
}

/* ---------------------------------------------------------------------
   Pagination
--------------------------------------------------------------------- */
.blog-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin: 3rem 0 1rem;
    flex-wrap: wrap;
}
.blog-pager-nav {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9375rem;
}
.blog-pager-list {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
.blog-pager-list a,
.blog-pager-current {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-dark);
}
.blog-pager-list a:hover {
    background: var(--bg-gray);
}
.blog-pager-current {
    background: var(--primary-color);
    color: #fff;
}
.blog-pager-gap {
    color: var(--text-light);
    padding: 0 0.25rem;
}

/* ---------------------------------------------------------------------
   Related / pillar interlink block
--------------------------------------------------------------------- */
.blog-related {
    margin-top: 4rem;
    padding: 2rem;
    background: var(--bg-gray);
    border-radius: 1.5rem;
}
.blog-related-pillar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    background: var(--bg-white);
    border-radius: 1rem;
    text-decoration: none;
    color: var(--text-dark);
    border: 2px solid var(--primary-light);
}
.blog-related-pillar i {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}
.blog-related-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}
.blog-related-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}
.blog-related-list a {
    display: block;
    padding: 0.9rem 1.1rem;
    background: var(--bg-white);
    border-radius: 0.75rem;
    color: var(--text-dark);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}
.blog-related-list a:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
}

/* ---------------------------------------------------------------------
   RSS / feed link visible in the archive header (progressive enhancement)
--------------------------------------------------------------------- */
.blog-feed-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-light);
    font-size: 0.8125rem;
    text-decoration: none;
    margin-top: 0.75rem;
}
.blog-feed-link:hover {
    color: var(--primary-color);
}

/* ---------------------------------------------------------------------
   Conversion layer: in-content CTA, newsletter form, sticky bar
--------------------------------------------------------------------- */
.blog-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin: 2.5rem 0;
    padding: 2rem;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
}
.blog-cta-text h3 {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.4rem;
}
.blog-cta-text p {
    opacity: 0.92;
    margin: 0;
}
.blog-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    padding: 0.9rem 1.6rem;
    background: #fff;
    color: var(--primary-color);
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}
.blog-cta-button i {
    width: 18px;
    height: 18px;
}

.blog-newsletter {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin: 2.5rem 0;
    padding: 2rem;
    border-radius: 1.5rem;
    background: var(--bg-gray);
    border: 2px solid var(--border-color);
}
.blog-newsletter-text h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}
.blog-newsletter-text p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.9375rem;
}
.blog-newsletter-form {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.blog-newsletter-input {
    padding: 0.8rem 1rem;
    border-radius: 0.75rem;
    border: 2px solid var(--border-color);
    font-size: 0.9375rem;
    min-width: 220px;
}
.blog-newsletter-button {
    padding: 0.8rem 1.4rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 0.75rem;
    font-weight: 700;
    cursor: pointer;
}
.blog-newsletter-alert {
    margin-bottom: 1rem;
    padding: 0.9rem 1.2rem;
    border-radius: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
}
.blog-newsletter-alert-success {
    background: #dcfce7;
    color: #166534;
}
.blog-newsletter-alert-danger {
    background: #fee2e2;
    color: #991b1b;
}

.blog-sticky-cta {
    position: fixed;
    left: 50%;
    bottom: 1.25rem;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.25rem;
    background: var(--text-dark);
    color: #fff;
    border-radius: 999px;
    box-shadow: var(--shadow-xl);
    z-index: 500;
    max-width: calc(100vw - 2rem);
}
.blog-sticky-cta[hidden] {
    display: none;
}
.blog-sticky-cta-text {
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 40vw;
}
.blog-sticky-cta-button {
    padding: 0.5rem 1.1rem;
    background: var(--primary-color);
    color: #fff;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.875rem;
    text-decoration: none;
    white-space: nowrap;
}
.blog-sticky-cta-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.6);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.2rem;
}

@media (max-width: 640px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .blog-author-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .blog-cta, .blog-newsletter {
        flex-direction: column;
        align-items: flex-start;
    }
    .blog-cta-button {
        width: 100%;
        justify-content: center;
    }
    .blog-newsletter-form {
        width: 100%;
    }
    .blog-newsletter-input {
        flex: 1;
        min-width: 0;
    }
    .blog-sticky-cta-text {
        display: none;
    }
}