/* ======================================================================
   CIO CODEX THEME – PÁGINA ARTIGOS
   Layout: cards + filtro por categoria + sidebar produtos + framework vertical
   Tokens de cor alinhados com homepage.css
   ====================================================================== */

/* ── Design Tokens ── */
:root {
    --art-bg:          #000000;
    --art-bg-card:     #0d1220;
    --art-bg-card-hov: #111828;
    --art-surface:     #141a2a;
    --art-border:      rgba(0, 200, 255, 0.12);
    --art-border-hov:  rgba(0, 200, 255, 0.35);
    --art-accent:      #00c8ff;
    --art-accent-dark: #0090cc;
    --art-text:        #ffffff;
    --art-muted:       rgba(255, 255, 255, 0.62);
    --art-subtle:      rgba(255, 255, 255, 0.38);
    --art-radius:      16px;
    --art-radius-sm:   10px;
    --art-radius-pill: 100px;
    --art-transition:  0.3s cubic-bezier(0.22, 0.68, 0, 1.1);
    --art-glow:        0 8px 32px rgba(0, 200, 255, 0.1);
    --art-font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --art-max-width:   1400px;
}

/* ======================================================================
   CONTAINER PRINCIPAL
   ====================================================================== */
.cio-artigos-main {
    background: var(--art-bg);
    color: var(--art-text);
    font-family: var(--art-font);
    min-height: 60vh;
    -webkit-font-smoothing: antialiased;
}

.cio-artigos-main *,
.cio-artigos-main *::before,
.cio-artigos-main *::after {
    box-sizing: border-box;
}

.cio-artigos-main a {
    text-decoration: none;
    color: inherit;
}

.cio-artigos-wrap {
    max-width: var(--art-max-width);
    margin: 0 auto;
    padding: 56px 24px 40px;
}

/* ======================================================================
   PAGE HEADER
   ====================================================================== */
.cio-artigos-page-header {
    text-align: center;
    margin-bottom: 40px;
}

.cio-artigos-prelabel {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--art-accent);
    margin-bottom: 10px;
}

.cio-artigos-page-header h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    letter-spacing: -0.03em;
    margin: 0 0 12px;
    color: var(--art-text);
    line-height: 1.1;
}

.cio-artigos-page-header p {
    font-size: 16px;
    color: var(--art-muted);
    margin: 0;
}

/* ======================================================================
   FILTER BAR
   ====================================================================== */
.cio-artigos-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 44px;
    padding: 0 4px;
}

.cio-artigos-filter-btn {
    background: transparent;
    border: 1px solid var(--art-border);
    border-radius: var(--art-radius-pill);
    color: var(--art-muted);
    cursor: pointer;
    font-family: var(--art-font);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 8px 20px;
    transition: background var(--art-transition),
                border-color var(--art-transition),
                color var(--art-transition),
                box-shadow var(--art-transition);
    white-space: nowrap;
}

.cio-artigos-filter-btn:hover {
    background: rgba(0, 200, 255, 0.08);
    border-color: var(--art-border-hov);
    color: var(--art-text);
}

.cio-artigos-filter-btn--active {
    background: var(--art-accent);
    border-color: var(--art-accent);
    color: #000;
    font-weight: 700;
    box-shadow: 0 0 20px rgba(0, 200, 255, 0.35);
}

.cio-artigos-filter-btn--active:hover {
    background: var(--art-accent);
    border-color: var(--art-accent);
    color: #000;
}

/* ======================================================================
   LAYOUT DOIS COLUNAS: conteúdo + sidebar
   ====================================================================== */
.cio-artigos-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 36px;
    align-items: start;
}

/* ======================================================================
   GRID DE ARTIGOS
   ====================================================================== */
.cio-artigos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* ── Card de artigo ── */
.cio-artigos-card {
    background: var(--art-bg-card);
    border: 1px solid var(--art-border);
    border-radius: var(--art-radius);
    overflow: hidden;
    transition: transform var(--art-transition),
                border-color var(--art-transition),
                box-shadow var(--art-transition);
}

.cio-artigos-card:hover {
    transform: translateY(-4px);
    border-color: var(--art-border-hov);
    box-shadow: var(--art-glow);
    background: var(--art-bg-card-hov);
}

.cio-artigos-card--hidden {
    display: none !important;
}

.cio-artigos-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Thumbnail */
.cio-artigos-card-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    flex-shrink: 0;
}

.cio-artigos-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.cio-artigos-card:hover .cio-artigos-card-thumb img {
    transform: scale(1.04);
}

.cio-artigos-card-nothumb {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--art-surface);
    color: var(--art-subtle);
}

/* Badge Premium */
.cio-artigos-card-thumb .cio-badge-premium {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #000;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    padding: 3px 9px;
    border-radius: var(--art-radius-pill);
    text-transform: uppercase;
}

/* Corpo do card */
.cio-artigos-card-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 18px 20px;
    flex: 1;
}

/* Pills de categoria */
.cio-artigos-card-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.cio-artigos-cat-pill {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--art-accent);
    background: rgba(0, 200, 255, 0.1);
    border: 1px solid rgba(0, 200, 255, 0.2);
    border-radius: var(--art-radius-pill);
    padding: 3px 10px;
    white-space: nowrap;
}

.cio-artigos-card-body h3 {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.35;
    margin: 0;
    color: var(--art-text);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cio-artigos-card-excerpt {
    font-size: 13px;
    color: var(--art-muted);
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cio-artigos-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--art-subtle);
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.cio-artigos-meta-dot {
    color: var(--art-accent);
}

/* Estado vazio */
.cio-artigos-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--art-muted);
    padding: 40px 0;
}

.cio-artigos-no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 56px 24px;
    color: var(--art-muted);
    text-align: center;
}

.cio-artigos-no-results svg {
    opacity: 0.4;
}

.cio-artigos-no-results p {
    margin: 0;
    font-size: 15px;
}

/* ── Paginação ── */
.cio-artigos-pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 40px;
}

.cio-artigos-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    border-radius: var(--art-radius-sm);
    background: var(--art-surface);
    border: 1px solid var(--art-border);
    color: var(--art-muted);
    font-size: 13px;
    font-weight: 600;
    transition: background var(--art-transition), border-color var(--art-transition), color var(--art-transition);
}

.cio-artigos-pagination .page-numbers:hover,
.cio-artigos-pagination .page-numbers.current {
    background: var(--art-accent);
    border-color: var(--art-accent);
    color: #000;
}

/* ======================================================================
   SIDEBAR DE PRODUTOS
   ====================================================================== */
.cio-artigos-sidebar {
    position: sticky;
    top: 100px;
}

.cio-artigos-sidebar-inner {
    background: var(--art-surface);
    border: 1px solid var(--art-border);
    border-radius: var(--art-radius);
    padding: 24px;
}

.cio-sidebar-header {
    margin-bottom: 20px;
}

.cio-sidebar-header h2 {
    font-size: 17px;
    font-weight: 800;
    margin: 4px 0 0;
    color: var(--art-text);
    letter-spacing: -0.01em;
}

/* Produtos na sidebar */
.cio-sidebar-products {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cio-sidebar-product-card {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--art-bg-card);
    border: 1px solid var(--art-border);
    border-radius: var(--art-radius-sm);
    overflow: hidden;
    transition: border-color var(--art-transition),
                box-shadow var(--art-transition),
                transform var(--art-transition);
}

.cio-sidebar-product-card:hover {
    border-color: var(--art-border-hov);
    box-shadow: 0 4px 20px rgba(0, 200, 255, 0.1);
    transform: translateY(-2px);
}

.cio-sidebar-product-card--featured {
    border-color: rgba(0, 200, 255, 0.3);
    background: linear-gradient(135deg, #0d1a2a 0%, #091520 100%);
}

.cio-sidebar-product-card--featured:hover {
    border-color: var(--art-accent);
    box-shadow: 0 4px 24px rgba(0, 200, 255, 0.18);
}

/* Imagem do produto */
.cio-sidebar-product-img {
    position: relative;
    aspect-ratio: 16 / 7;
    overflow: hidden;
}

.cio-sidebar-product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.cio-sidebar-product-card:hover .cio-sidebar-product-img img {
    transform: scale(1.04);
}

.cio-sidebar-product-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: #f59e0b;
    color: #000;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: var(--art-radius-pill);
}

/* Info */
.cio-sidebar-product-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 16px;
}

.cio-sidebar-product-info h4 {
    font-size: 14px;
    font-weight: 700;
    margin: 0;
    color: var(--art-text);
    line-height: 1.3;
}

.cio-sidebar-product-info p {
    font-size: 12px;
    color: var(--art-muted);
    margin: 0;
    line-height: 1.5;
}

.cio-sidebar-product-price {
    font-size: 13px;
    font-weight: 700;
    color: var(--art-accent);
}

.cio-sidebar-product-price .woocommerce-Price-amount {
    color: var(--art-accent);
}

.cio-sidebar-product-cta {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 700;
    color: var(--art-accent);
    margin-top: 4px;
    transition: gap var(--art-transition);
}

.cio-sidebar-product-card:hover .cio-sidebar-product-cta {
    gap: 8px;
}

/* ======================================================================
   SEÇÃO FRAMEWORK VERTICAL
   ====================================================================== */
.cio-artigos-framework-wrap {
    background: var(--art-bg);
    border-top: 1px solid var(--art-border);
    margin-top: 60px;
    padding: 64px 0;
}

.cio-artigos-framework-inner {
    max-width: var(--art-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/*
 * Override do layout do framework para versão vertical:
 * Cada bloco hierarchy exibe pai + filhos empilhados verticalmente,
 * em vez do layout em grid horizontal da homepage.
 */
.cio-artigos-framework-wrap .cio-hp-framework {
    background: transparent;
    padding: 0;
}

.cio-artigos-framework-wrap .cfw-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.cio-artigos-framework-wrap .cfw-parent-card {
    width: 100%;
    max-width: 100%;
    border-radius: var(--art-radius);
    overflow: hidden;
}

.cio-artigos-framework-wrap .cfw-parent-banner {
    aspect-ratio: 21 / 6;
    width: 100%;
}

.cio-artigos-framework-wrap .cfw-parent-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cio-artigos-framework-wrap .cfw-children {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
    width: 100%;
}

/* Separador entre blocos do framework */
.cio-artigos-framework-wrap .cfw-wrap + .cfw-wrap {
    margin-top: 56px;
    padding-top: 56px;
    border-top: 1px solid var(--art-border);
}

/* ======================================================================
   RESPONSIVIDADE
   ====================================================================== */

/* ======================================================================
   FRAMEWORK SIDEBAR — versão compacta vertical
   ====================================================================== */
.cio-sidebar-framework {
    margin-top: 20px;
    border-top: 1px solid var(--art-border);
    padding-top: 20px;
}

.cio-sidebar-framework-header {
    margin-bottom: 14px;
}

.cio-sidebar-framework-header h3 {
    font-size: 15px;
    font-weight: 800;
    margin: 4px 0 0;
    color: var(--art-text);
    letter-spacing: -0.01em;
}

/* Cada bloco hierarchy compacto */
.cio-sfm-block {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding-bottom: 4px;
    margin-bottom: 4px;
}

.cio-sfm-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

/* Botão toggle do título pai */
.cio-sfm-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px 0;
    gap: 8px;
    text-align: left;
    color: var(--art-text);
    font-family: var(--art-font);
    transition: color var(--art-transition);
}

.cio-sfm-toggle:hover {
    color: var(--art-accent);
}

.cio-sfm-toggle-title {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.3;
    flex: 1;
}

.cio-sfm-toggle-title span {
    color: var(--art-accent);
}

.cio-sfm-arrow {
    flex-shrink: 0;
    transition: transform 0.25s ease;
    color: var(--art-accent);
    opacity: 0.7;
}

.cio-sfm-toggle.cio-sfm-open .cio-sfm-arrow {
    transform: rotate(180deg);
}

/* Lista de filhos */
.cio-sfm-list {
    list-style: none;
    margin: 0;
    padding: 0 0 8px 12px;
    border-left: 2px solid rgba(0, 200, 255, 0.2);
    display: none;
}

.cio-sfm-list.cio-sfm-list--open {
    display: block;
}

.cio-sfm-list li {
    margin: 0;
}

.cio-sfm-list li a {
    display: block;
    padding: 5px 4px;
    font-size: 12px;
    color: var(--art-muted);
    border-radius: 4px;
    transition: color var(--art-transition), background var(--art-transition);
    line-height: 1.4;
}

.cio-sfm-list li a:hover {
    color: var(--art-accent);
    background: rgba(0, 200, 255, 0.06);
    padding-left: 8px;
}

/* Link direto para o pai */
.cio-sfm-parent-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    color: rgba(0, 200, 255, 0.6);
    padding: 0 0 8px 0;
    transition: color var(--art-transition);
}

.cio-sfm-parent-link:hover {
    color: var(--art-accent);
}

/* ======================================================================
   RESPONSIVIDADE
   ====================================================================== */

/* ── Tablet wide (< 1200px) ── */
@media (max-width: 1200px) {
    .cio-artigos-layout {
        grid-template-columns: 1fr 280px;
        gap: 28px;
    }

    .cio-artigos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── Tablet (< 960px): empilha sidebar abaixo ── */
@media (max-width: 960px) {
    .cio-artigos-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cio-artigos-sidebar {
        position: static;
    }

    .cio-artigos-sidebar-inner {
        padding: 20px;
    }

    .cio-artigos-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cio-sidebar-products {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 14px;
    }

    .cio-artigos-framework-wrap .cfw-children {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}

/* ── Mobile (< 640px) ── */
@media (max-width: 640px) {
    .cio-artigos-wrap {
        padding: 36px 16px 32px;
    }

    .cio-artigos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .cio-artigos-filter-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .cio-artigos-filter-bar::-webkit-scrollbar {
        display: none;
    }

    .cio-artigos-filter-btn {
        flex-shrink: 0;
    }

    .cio-artigos-framework-wrap {
        padding: 40px 0;
    }
}

/* ── Mobile extra pequeno (< 400px) ── */
@media (max-width: 400px) {
    .cio-artigos-grid {
        grid-template-columns: 1fr;
    }

    .cio-artigos-framework-wrap .cfw-children {
        grid-template-columns: 1fr;
    }
}
}

.cio-sfm-parent-link:hover {
    color: var(--art-accent);
}

/* ======================================================================
   RESPONSIVIDADE
   ====================================================================== */

/* ── Tablet wide (< 1200px) ── */
@media (max-width: 1200px) {
    .cio-artigos-layout {
        grid-template-columns: 1fr 280px;
        gap: 28px;
    }

    .cio-artigos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── Tablet (< 960px): empilha sidebar abaixo ── */
@media (max-width: 960px) {
    .cio-artigos-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cio-artigos-sidebar {
        position: static;
    }

    .cio-artigos-sidebar-inner {
        padding: 20px;
    }

    .cio-artigos-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cio-sidebar-products {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 14px;
    }

    .cio-artigos-framework-wrap .cfw-children {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}

/* ── Mobile (< 640px) ── */
@media (max-width: 640px) {
    .cio-artigos-wrap {
        padding: 36px 16px 32px;
    }

    .cio-artigos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .cio-artigos-filter-bar {
        gap: 6px;
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .cio-artigos-filter-bar::-webkit-scrollbar {
        display: none;
    }

    .cio-artigos-filter-btn {
        flex-shrink: 0;
        padding: 7px 16px;
        font-size: 12px;
    }

    .cio-sidebar-products {
        grid-template-columns: 1fr;
    }

    .cio-artigos-framework-wrap {
        padding: 40px 0;
    }

    .cio-artigos-framework-wrap .cfw-children {
        grid-template-columns: repeat(2, 1fr);
    }

    .cio-artigos-framework-wrap .cfw-parent-banner {
        aspect-ratio: 16 / 5;
    }
}

/* ── Extra small (< 400px) ── */
@media (max-width: 400px) {
    .cio-artigos-framework-wrap .cfw-children {
        grid-template-columns: 1fr;
    }
}