/* =============================================
   PORTFOLIO & BLOG — Sprint 5
   ============================================= */

/* --- Portfolio Filters --- */
.portfolio-filters {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.portfolio-filter {
    padding: 8px 20px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    background: #fff;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.portfolio-filter:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.portfolio-filter.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.filter-count {
    font-size: 12px;
    font-weight: 700;
    background: rgba(0,0,0,.08);
    padding: 1px 7px;
    border-radius: 10px;
    line-height: 1.5;
}

.portfolio-filter.active .filter-count {
    background: rgba(255,255,255,.25);
}

/* --- Portfolio Grid --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.portfolio-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

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

.portfolio-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}

.portfolio-card:hover img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(3,35,144,.88) 0%, rgba(11,112,225,.88) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity .4s ease;
    padding: 20px;
    text-align: center;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-badge {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #fff;
    background: rgba(255,255,255,.2);
    padding: 4px 14px;
    border-radius: 12px;
    margin-bottom: 10px;
}

.portfolio-overlay h3 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
}

/* --- Blog Grid --- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.blog-card-header {
    background: var(--gradient-primary);
    padding: 30px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
}

.blog-card-body {
    padding: 24px;
}

.blog-date {
    font-size: 13px;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 10px;
}

.blog-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card h3 a {
    color: inherit;
    transition: color var(--transition);
}

.blog-card h3 a:hover {
    color: var(--color-primary);
}

.blog-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-read-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition);
}

.blog-read-more:hover {
    gap: 10px;
}

/* --- Blog Pagination --- */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.blog-page-btn {
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.blog-page-btn:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.blog-page-num {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.blog-page-num:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.blog-page-num.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.blog-page-dots {
    color: var(--color-text-light);
    font-size: 14px;
}

/* --- Responsive Portfolio & Blog --- */

/* --- Tablet Blog --- */
@media (min-width: 600px) and (max-width: 1023px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .portfolio-card img {
        height: 200px;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .portfolio-filters {
        gap: 8px;
    }
    .portfolio-filter {
        padding: 6px 14px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .portfolio-card img {
        height: 220px;
    }
    .blog-card-header {
        padding: 20px;
    }
    .blog-card-body {
        padding: 18px;
    }
}

/* FIX R7-11: Blog coming soon badge */
.blog-coming-soon {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 12px;
    background: rgba(11, 112, 225, .08);
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

/* =============================================
   BLOG ARTICLE DETAIL — Round 9
   ============================================= */

.blog-article {
    max-width: 800px;
    margin: 0 auto;
}

.blog-article-hero {
    margin-bottom: 30px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.blog-article-hero img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 450px;
    object-fit: cover;
}

.blog-article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.blog-reading-time {
    font-size: 13px;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 5px;
}

.blog-article-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
    max-width: 760px;
    margin: 0 auto;
}

.blog-article-content h2,
.blog-article-content h3,
.blog-article-content h4 {
    color: var(--color-dark);
    margin: 32px 0 16px;
    font-weight: 700;
    text-align: left;
}

.blog-article-content h2 { font-size: 26px; }
.blog-article-content h3 { font-size: 22px; }
.blog-article-content h4 { font-size: 18px; }

.blog-article-content p {
    margin-bottom: 16px;
}

.blog-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 20px 0;
}

.blog-article-content iframe {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 20px 0;
}

.blog-article-content ul,
.blog-article-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.blog-article-content li {
    margin-bottom: 8px;
}

.blog-article-content a {
    color: var(--color-primary);
    text-decoration: underline;
}

.blog-article-content a:hover {
    color: var(--color-primary-dark);
}

.blog-article-content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.6;
    margin: 20px 0;
}

.blog-article-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding: 16px 24px;
    margin: 20px 0;
    background: var(--color-bg-alt);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
}

.blog-article-source {
    margin-top: 30px;
    padding: 16px 20px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--color-text-light);
}

.blog-article-source a {
    color: var(--color-primary);
}

.blog-share {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.blog-share > span {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-dark);
}

.blog-share-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.blog-share-btn:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* Blog card with image (listing) */
.blog-card-img-link {
    display: block;
    overflow: hidden;
}

.blog-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}

.blog-card:hover .blog-card-img {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .blog-article-content { font-size: 15px; }
    .blog-article-hero img { max-height: 300px; }
    .blog-share { flex-wrap: wrap; }
}
/* --- Showcase Grid (Proyectos Destacados) --- */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.showcase-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.showcase-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.showcase-img {
    width: 100%;
    height: 220px;
    background-color: #0a1628;
    background-size: cover;
    background-position: center top;
    position: relative;
    overflow: hidden;
}

.showcase-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11,112,225,.15) 0%, rgba(3,35,144,.25) 100%);
    pointer-events: none;
}

.showcase-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: rgba(255,255,255,.25);
    background: linear-gradient(135deg, #0d1f3c 0%, #061340 50%, #0a1628 100%);
}

.showcase-placeholder svg {
    width: 48px;
    height: 48px;
    opacity: .5;
}

.showcase-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(3,35,144,.88) 0%, rgba(11,112,225,.88) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .4s ease;
}

.showcase-card:hover .showcase-overlay {
    opacity: 1;
}

.showcase-visit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: #fff;
    color: var(--color-primary);
    border-radius: 24px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .3px;
    transform: translateY(10px);
    transition: transform .4s ease;
}

.showcase-card:hover .showcase-visit {
    transform: translateY(0);
}

.showcase-info {
    padding: 18px 20px;
}

.showcase-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-primary);
    background: rgba(11,112,225,.08);
    padding: 3px 12px;
    border-radius: 12px;
    margin-bottom: 8px;
}

.showcase-info h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
    line-height: 1.3;
}

.showcase-info p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.5;
    margin: 0;
}

/* --- Showcase Responsive --- */
@media (max-width: 1024px) {
    .showcase-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .showcase-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .showcase-img { height: 180px; }
    .showcase-info { padding: 14px 16px; }
    .showcase-info h3 { font-size: 15px; }
    .showcase-info p { font-size: 13px; }
}

@media (max-width: 480px) {
    .showcase-grid { grid-template-columns: 1fr; }
    .showcase-img { height: 200px; }
}


/* --- Portfolio card as link (Sitios Web) --- */
a.portfolio-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.portfolio-card-placeholder {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #0d1f3c 0%, #061340 50%, #0a1628 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.25);
}

@media (max-width: 768px) {
    .portfolio-card-placeholder { height: 200px; }
}

@media (max-width: 480px) {
    .portfolio-card-placeholder { height: 220px; }
}