/* ============================================
   BLOG.CSS — Estilos exclusivos do Blog
   Importado junto com style.css
   ============================================ */

/* ---- NAVBAR ativo no blog ---- */
.nav-active {
    color: var(--color-primary-light) !important;
    font-weight: 600;
}

/* ---- BLOG HERO ---- */
.blog-hero {
    position: relative;
    background: linear-gradient(135deg, #0a0e1a 0%, #130d2e 60%, #0a0e1a 100%);
    padding: 9rem 0 5rem;
    overflow: hidden;
    margin-top: 64px;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(ellipse, rgba(124, 58, 237, 0.18) 0%, transparent 70%);
    pointer-events: none;
}

.blog-hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><circle cx="1" cy="1" r="1" fill="rgba(124,58,237,0.08)"/></svg>') repeat;
}

.blog-hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.blog-eyebrow {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary-light);
    font-family: var(--font-display);
    font-weight: 600;
    margin-bottom: 1rem;
}

.blog-hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 3rem);
    color: var(--color-white);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.blog-hero-sub {
    font-size: 1.05rem;
    color: var(--color-muted);
    line-height: 1.75;
    margin-bottom: 2rem;
    max-width: 560px;
}

.rss-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 140, 66, 0.12);
    border: 1px solid rgba(255, 140, 66, 0.3);
    color: var(--color-secondary);
    padding: 0.6rem 1.4rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-display);
    transition: var(--transition);
}

.rss-btn svg {
    width: 16px;
    height: 16px;
}

.rss-btn:hover {
    background: rgba(255, 140, 66, 0.2);
    border-color: rgba(255, 140, 66, 0.5);
    color: var(--color-secondary);
    transform: translateY(-2px);
}

/* ---- FILTROS ---- */
.blog-filters-bar {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(124, 58, 237, 0.12);
    position: sticky;
    top: 64px;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.blog-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid rgba(124, 58, 237, 0.2);
    color: var(--color-muted);
    padding: 0.45rem 1.1rem;
    border-radius: 2rem;
    font-size: 0.82rem;
    font-family: var(--font-display);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.filter-active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-color: transparent;
    color: var(--color-white) !important;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}

/* ---- BLOG LAYOUT ---- */
.blog-main {
    padding-top: 4rem !important;
}

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    align-items: start;
}

/* ---- ARTIGOS ---- */
.blog-articles {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.blog-card {
    background: var(--color-dark-3);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    border-color: rgba(124, 58, 237, 0.4);
    box-shadow: 0 16px 48px rgba(124, 58, 237, 0.15);
    transform: translateY(-4px);
}

.blog-card-external {
    border-left: 3px solid var(--color-secondary);
}

.blog-card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.blog-card-img-placeholder {
    width: 100%;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.06) 0%, rgba(124, 58, 237, 0.02) 100%);
    border-bottom: var(--border-subtle);
}

.blog-card-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
}

.blog-card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.blog-tag {
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-light);
    background: rgba(124, 58, 237, 0.1);
    padding: 0.25rem 0.7rem;
    border-radius: 2rem;
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.blog-tag-external {
    color: var(--color-secondary);
    background: rgba(255, 140, 66, 0.1);
    border-color: rgba(255, 140, 66, 0.2);
}

.blog-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    line-height: 1.35;
    letter-spacing: -0.02em;
    margin: 0;
}

.blog-card-title a {
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition);
}

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

.blog-card-excerpt {
    font-size: 0.92rem;
    color: var(--color-muted);
    line-height: 1.7;
    margin: 0;
    flex: 1;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(124, 58, 237, 0.08);
    gap: 1rem;
    flex-wrap: wrap;
}

.blog-card-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.blog-date,
.blog-read-time,
.blog-source {
    font-size: 0.78rem;
    color: var(--color-muted);
    font-family: var(--font-body);
}

.blog-source {
    color: var(--color-secondary);
    font-style: italic;
}

.blog-card-link {
    font-size: 0.85rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--color-primary-light);
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.blog-card-link:hover {
    color: var(--color-white);
}

.blog-card-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.blog-card-link-ext {
    font-size: 0.82rem;
    font-weight: 600;
    font-family: var(--font-display);
    color: var(--color-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.blog-card-link-ext:hover {
    color: white;
}

/* ---- SIDEBAR ---- */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 110px;
}

.sidebar-card {
    background: var(--color-dark-3);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.sidebar-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--color-white);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(124, 58, 237, 0.12);
    letter-spacing: -0.01em;
}

.sidebar-author {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.sidebar-author-photo {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid rgba(124, 58, 237, 0.3);
}

.sidebar-photo-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
}

.sidebar-author img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-author strong {
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.25rem;
}

.sidebar-author p {
    font-size: 0.78rem;
    color: var(--color-muted);
    margin: 0;
    line-height: 1.5;
}

.sidebar-social {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.sidebar-social-link {
    font-size: 0.75rem;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-muted);
    background: rgba(124, 58, 237, 0.08);
    border: 1px solid rgba(124, 58, 237, 0.15);
    padding: 0.3rem 0.8rem;
    border-radius: 2rem;
    transition: var(--transition);
}

.sidebar-social-link:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    background: rgba(124, 58, 237, 0.15);
}

.sidebar-rss p {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-bottom: 1rem;
}

.sidebar-rss-hint {
    font-size: 0.72rem !important;
    color: rgba(136, 150, 176, 0.5) !important;
    margin-top: 0.75rem !important;
    margin-bottom: 0 !important;
}

.sidebar-categories {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sidebar-categories li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-muted);
    text-decoration: none;
    transition: var(--transition);
    font-family: var(--font-body);
}

.sidebar-categories li a:hover {
    background: rgba(124, 58, 237, 0.08);
    color: var(--color-primary-light);
}

.sidebar-categories span {
    background: rgba(124, 58, 237, 0.15);
    color: var(--color-primary-light);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 1rem;
    font-family: var(--font-display);
}

.sidebar-cta {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(124, 58, 237, 0.04) 100%);
    border-color: rgba(124, 58, 237, 0.25);
}

.sidebar-cta h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.sidebar-cta p {
    font-size: 0.82rem;
    color: var(--color-muted);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

/* ---- RESPONSIVIDADE ---- */
@media (max-width: 900px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }
    .blog-sidebar {
        position: static;
    }
}

@media (max-width: 600px) {
    .blog-hero {
        padding: 7rem 0 3.5rem;
    }
    .blog-filters {
        gap: 0.4rem;
    }
    .filter-btn {
        font-size: 0.75rem;
        padding: 0.35rem 0.9rem;
    }
    .blog-card-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}