/* ================================================
   Blog Styles — Smart Impact Industries
   Extends the base design system (style.css)
   ================================================ */

/* --- Blog Hero --- */
.blog-hero {
    padding: 8rem 0 3rem;
    border-bottom: 1px solid var(--color-border);
}

.blog-hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    margin: 0.75rem 0 1rem;
}

.blog-hero__subtitle {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    max-width: 640px;
}

/* --- Blog Listing Grid --- */
.blog-listing {
    padding: 3rem 0 5rem;
}

.blog-listing__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 800px;
}

.blog-listing__empty {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    padding: 3rem 0;
}

/* --- Blog Card --- */
.blog-card {
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border);
}

.blog-card:first-child {
    padding-top: 0;
}

.blog-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.blog-card__category {
    color: var(--color-accent);
    font-weight: 500;
}

.blog-card__reading-time::before {
    content: "\00b7";
    margin-right: 0.75rem;
}

.blog-card__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

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

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

.blog-card__excerpt {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
    transition: gap 0.2s ease;
}

.blog-card__link:hover {
    gap: 0.75rem;
}

.blog-card__link::after {
    content: "\2192";
}

/* --- Blog Post --- */
.blog-post {
    padding: 8rem 0 4rem;
}

.blog-post__header {
    max-width: 740px;
    margin-bottom: 3rem;
}

.blog-post__back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    transition: color 0.2s ease;
}

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

.blog-post__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.blog-post__category {
    color: var(--color-accent);
    font-weight: 500;
}

.blog-post__reading-time::before {
    content: "\00b7";
    margin-right: 0.75rem;
}

.blog-post__title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.25rem;
}

.blog-post__lead {
    font-size: 1.1875rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- Article Content --- */
.blog-post__content {
    max-width: 740px;
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text);
}

.blog-post__content h2 {
    font-family: var(--font-heading);
    font-size: 1.625rem;
    font-weight: 600;
    margin: 2.5rem 0 1rem;
    color: var(--color-text);
}

.blog-post__content h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
    color: var(--color-text);
}

.blog-post__content p {
    margin-bottom: 1.25rem;
}

.blog-post__content ul,
.blog-post__content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.blog-post__content li {
    margin-bottom: 0.5rem;
}

.blog-post__content li::marker {
    color: var(--color-accent);
}

.blog-post__content a {
    color: var(--color-accent-light);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.2s ease;
}

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

.blog-post__content strong {
    font-weight: 600;
    color: var(--color-text);
}

.blog-post__content blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--color-bg-elevated);
    border-radius: 0 6px 6px 0;
    color: var(--color-text-secondary);
    font-style: italic;
}

.blog-post__content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9375rem;
}

.blog-post__content th,
.blog-post__content td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.blog-post__content th {
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-bg-elevated);
}

.blog-post__content .info-box {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    padding: 1.25rem 1.5rem;
    border-radius: 0 6px 6px 0;
    margin: 1.5rem 0;
}

.blog-post__content .info-box strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-accent-light);
}

/* --- Post Footer --- */
.blog-post__footer {
    max-width: 740px;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.blog-post__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
}

.blog-post__tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 100px;
}

.blog-post__cta {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
}

.blog-post__cta p {
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
    font-size: 1.0625rem;
}

/* --- Responsive: Tablet --- */
@media (max-width: 900px) {
    .blog-hero {
        padding: 6rem 0 2rem;
    }

    .blog-post {
        padding: 6rem 0 3rem;
    }

    .blog-card__title {
        font-size: 1.3125rem;
    }
}

/* --- Responsive: Mobile --- */
@media (max-width: 640px) {
    .blog-hero {
        padding: 5rem 0 1.5rem;
    }

    .blog-post {
        padding: 5rem 0 2rem;
    }

    .blog-card {
        padding: 1.5rem 0;
    }

    .blog-card__title {
        font-size: 1.1875rem;
    }

    .blog-post__content {
        font-size: 1rem;
    }

    .blog-post__content h2 {
        font-size: 1.375rem;
    }

    .blog-post__content h3 {
        font-size: 1.125rem;
    }

    .blog-post__content table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .blog-post__cta {
        padding: 1.5rem;
    }
}