/* ================================================
   SP Telhados — Blog CSS
   Isolado: todos os estilos dentro de .blog-wrapper
   ou prefixados com .blog-
   ================================================ */

/* Reset e base apenas no contexto do blog */
.blog-wrapper *,
.blog-wrapper *::before,
.blog-wrapper *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Variáveis de cor */
:root {
    --blog-primary: #7B2D2D;
    --blog-primary-dark: #5C1F1F;
    --blog-primary-light: #A33C3C;
    --blog-secondary: #333333;
    --blog-bg: #F8F7F5;
    --blog-bg-card: #FFFFFF;
    --blog-text: #1A1A1A;
    --blog-text-muted: #666666;
    --blog-border: #E0DBD5;
    --blog-accent: #F2EDE6;
    --blog-whatsapp: #25D366;
    --blog-whatsapp-dark: #1DAA54;
    --blog-link: #7B2D2D;
    --blog-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, Helvetica, sans-serif;
    --blog-radius: 6px;
    --blog-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --blog-shadow-hover: 0 6px 20px rgba(0,0,0,0.13);
    --blog-transition: 0.2s ease;
}

/* ================================================
   LAYOUT BASE
   ================================================ */

.blog-wrapper {
    font-family: var(--blog-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--blog-text);
    background-color: var(--blog-bg);
    min-height: 100vh;
}

.blog-wrapper img {
    max-width: 100%;
    height: auto;
    display: block;
}

.blog-wrapper a {
    color: var(--blog-link);
    text-decoration: none;
}

.blog-wrapper a:hover {
    text-decoration: underline;
}

.blog-container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ================================================
   HEADER DO BLOG
   ================================================ */

.blog-header {
    background-color: #FFFFFF;
    border-bottom: 3px solid var(--blog-primary);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.blog-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.blog-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.blog-logo img {
    height: 46px;
    width: auto;
}

.blog-logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--blog-primary);
    line-height: 1.2;
}

.blog-logo-text span {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--blog-text-muted);
}

/* Nav do header */
.blog-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-nav-list {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
}

.blog-nav-list a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--blog-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--blog-radius);
    transition: background var(--blog-transition), color var(--blog-transition);
}

.blog-nav-list a:hover,
.blog-nav-list a.active {
    background-color: var(--blog-accent);
    color: var(--blog-primary);
    text-decoration: none;
}

.blog-nav-cta {
    background-color: var(--blog-whatsapp) !important;
    color: #FFFFFF !important;
    padding: 8px 16px !important;
    border-radius: var(--blog-radius) !important;
    font-weight: 600 !important;
    transition: background var(--blog-transition) !important;
}

.blog-nav-cta:hover {
    background-color: var(--blog-whatsapp-dark) !important;
    text-decoration: none !important;
    color: #FFFFFF !important;
}

/* Mobile toggle */
.blog-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-direction: column;
    gap: 5px;
}

.blog-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--blog-secondary);
    border-radius: 2px;
    transition: transform 0.2s ease;
}

/* ================================================
   HERO
   ================================================ */

.blog-hero {
    background: var(--blog-primary-dark);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    color: #FFFFFF;
    padding: 56px 20px 52px;
    text-align: center;
    position: relative;
}

/* Overlay escuro sobre a imagem de fundo */
.blog-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(60, 15, 15, 0.85);
    z-index: 0;
}

.blog-hero .blog-container {
    position: relative;
    z-index: 1;
}

.blog-hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background-color: rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.9);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.blog-hero h1 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 14px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.blog-hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.6;
    opacity: 0.88;
    max-width: 560px;
    margin: 0 auto 28px;
}

.blog-btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--blog-whatsapp);
    color: #FFFFFF;
    font-size: 1rem;
    font-weight: 700;
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    transition: background var(--blog-transition), transform var(--blog-transition);
    box-shadow: 0 4px 15px rgba(37,211,102,0.35);
}

.blog-btn-whatsapp:hover {
    background-color: var(--blog-whatsapp-dark);
    text-decoration: none;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,0.45);
}

.blog-btn-whatsapp svg {
    flex-shrink: 0;
}

.blog-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--blog-primary);
    color: #FFFFFF;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    transition: background var(--blog-transition);
}

.blog-btn-secondary:hover {
    background-color: var(--blog-primary-dark);
    text-decoration: none;
    color: #FFFFFF;
}

/* ================================================
   SECTION TITLES
   ================================================ */

.blog-section {
    padding: 52px 20px;
}

.blog-section-alt {
    background-color: var(--blog-accent);
}

.blog-section-title {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--blog-secondary);
    margin-bottom: 8px;
}

.blog-section-subtitle {
    font-size: 1rem;
    color: var(--blog-text-muted);
    margin-bottom: 32px;
}

.blog-section-header {
    margin-bottom: 32px;
}

.blog-section-header .blog-section-title {
    margin-bottom: 6px;
}

/* ================================================
   CARDS DE ARTIGO (grid)
   ================================================ */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.blog-card {
    background-color: var(--blog-bg-card);
    border-radius: var(--blog-radius);
    box-shadow: var(--blog-shadow);
    overflow: hidden;
    transition: box-shadow var(--blog-transition), transform var(--blog-transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    box-shadow: var(--blog-shadow-hover);
    transform: translateY(-3px);
}

.blog-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    object-position: center top;
    background-color: var(--blog-border);
    display: block;
    flex-shrink: 0;
}

.blog-card-img-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--blog-accent) 0%, var(--blog-border) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blog-primary);
}

.blog-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--blog-primary);
    background-color: var(--blog-accent);
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 10px;
    text-decoration: none;
}

.blog-card-category:hover {
    background-color: var(--blog-primary);
    color: #FFFFFF;
    text-decoration: none;
}

.blog-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--blog-secondary);
    line-height: 1.35;
    margin-bottom: 10px;
}

.blog-card-title a {
    color: inherit;
    text-decoration: none;
}

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

.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--blog-text-muted);
    line-height: 1.55;
    margin-bottom: 18px;
    flex: 1;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--blog-border);
}

.blog-card-date {
    font-size: 0.8rem;
    color: var(--blog-text-muted);
}

.blog-card-read {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--blog-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
}

.blog-card-read:hover {
    text-decoration: underline;
}

/* ================================================
   CATEGORIAS
   ================================================ */

.blog-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
}

.blog-category-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 18px 12px;
    background-color: var(--blog-bg-card);
    border: 2px solid var(--blog-border);
    border-radius: var(--blog-radius);
    text-decoration: none;
    color: var(--blog-secondary);
    font-weight: 600;
    font-size: 0.88rem;
    text-align: center;
    transition: border-color var(--blog-transition), color var(--blog-transition), background var(--blog-transition);
    line-height: 1.3;
}

.blog-category-chip svg {
    color: var(--blog-primary);
    transition: color var(--blog-transition);
}

.blog-category-chip:hover {
    border-color: var(--blog-primary);
    color: var(--blog-primary);
    background-color: var(--blog-accent);
    text-decoration: none;
}

/* ================================================
   BLOCO CTA WHATSAPP
   ================================================ */

.blog-cta-block {
    background: linear-gradient(135deg, var(--blog-primary-dark) 0%, var(--blog-primary) 100%);
    color: #FFFFFF;
    border-radius: var(--blog-radius);
    padding: 36px 28px;
    text-align: center;
}

.blog-cta-block h2,
.blog-cta-block .blog-cta-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #FFFFFF;
}

.blog-cta-block p,
.blog-cta-block .blog-cta-text {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 22px;
    line-height: 1.55;
}

.blog-cta-inline {
    background-color: var(--blog-accent);
    border-left: 4px solid var(--blog-primary);
    border-radius: 0 var(--blog-radius) var(--blog-radius) 0;
    padding: 20px 22px;
    margin: 32px 0;
}

.blog-cta-inline p {
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--blog-secondary);
}

/* ================================================
   BLOCO DE SERVIÇOS
   ================================================ */

.blog-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
}

.blog-service-item {
    background-color: var(--blog-bg-card);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 16px;
    text-align: center;
    transition: border-color var(--blog-transition), box-shadow var(--blog-transition);
}

.blog-service-item:hover {
    border-color: var(--blog-primary);
    box-shadow: var(--blog-shadow);
}

.blog-service-item a {
    color: var(--blog-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

.blog-service-item a:hover {
    color: var(--blog-primary);
    text-decoration: none;
}

.blog-service-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
    display: block;
}

/* ================================================
   BLOCO DE ÁREAS ATENDIDAS
   ================================================ */

.blog-areas-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.blog-area-tag {
    display: inline-block;
    background-color: var(--blog-bg-card);
    border: 1px solid var(--blog-border);
    color: var(--blog-text-muted);
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 20px;
    text-decoration: none;
    transition: border-color var(--blog-transition), color var(--blog-transition);
}

.blog-area-tag:hover {
    border-color: var(--blog-primary);
    color: var(--blog-primary);
    text-decoration: none;
}

/* ================================================
   FOOTER DO BLOG
   ================================================ */

.blog-footer {
    background-color: var(--blog-secondary);
    color: rgba(255,255,255,0.85);
    padding: 48px 20px 24px;
}

.blog-footer-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.blog-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 36px;
    margin-bottom: 40px;
}

.blog-footer-brand img {
    height: 40px;
    width: auto;
    margin-bottom: 12px;
    filter: brightness(0) invert(1);
    opacity: 0.85;
}

.blog-footer-brand p {
    font-size: 0.88rem;
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: 16px;
}

.blog-footer-contact a {
    display: block;
    color: rgba(255,255,255,0.85);
    font-size: 0.88rem;
    margin-bottom: 8px;
    text-decoration: none;
}

.blog-footer-contact a:hover {
    color: #FFFFFF;
    text-decoration: none;
}

.blog-footer-col h3 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #FFFFFF;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--blog-primary);
}

.blog-footer-col ul {
    list-style: none;
}

.blog-footer-col ul li {
    margin-bottom: 8px;
}

.blog-footer-col ul li a {
    color: rgba(255,255,255,0.75);
    font-size: 0.88rem;
    text-decoration: none;
    transition: color var(--blog-transition);
}

.blog-footer-col ul li a:hover {
    color: #FFFFFF;
    text-decoration: none;
}

.blog-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.blog-footer-copy {
    font-size: 0.8rem;
    opacity: 0.65;
}

.blog-footer-links-bottom {
    display: flex;
    gap: 16px;
}

.blog-footer-links-bottom a {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
}

.blog-footer-links-bottom a:hover {
    color: #FFFFFF;
    text-decoration: none;
}

/* ================================================
   LAYOUT DO ARTIGO
   ================================================ */

.blog-post-layout {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.blog-post-main {
    min-width: 0;
}

.blog-post-sidebar {
    position: sticky;
    top: 80px;
}

/* Breadcrumb */
.blog-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--blog-text-muted);
    margin-bottom: 20px;
}

.blog-breadcrumb a {
    color: var(--blog-text-muted);
    text-decoration: none;
}

.blog-breadcrumb a:hover {
    color: var(--blog-primary);
    text-decoration: none;
}

.blog-breadcrumb-sep {
    opacity: 0.5;
}

.blog-breadcrumb-current {
    color: var(--blog-text);
    font-weight: 500;
}

/* Meta do artigo */
.blog-post-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.blog-post-category-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--blog-primary);
    background-color: var(--blog-accent);
    padding: 4px 12px;
    border-radius: 20px;
    text-decoration: none;
}

.blog-post-category-badge:hover {
    background-color: var(--blog-primary);
    color: #FFFFFF;
    text-decoration: none;
}

.blog-post-date {
    font-size: 0.82rem;
    color: var(--blog-text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}

/* H1 do artigo */
.blog-post-h1 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--blog-secondary);
    margin-bottom: 16px;
}

.blog-post-intro {
    font-size: 1.05rem;
    color: var(--blog-text-muted);
    line-height: 1.65;
    border-left: 4px solid var(--blog-primary);
    padding-left: 18px;
    margin-bottom: 28px;
}

/* Imagem destacada */
.blog-post-featured-img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: var(--blog-radius);
    margin-bottom: 32px;
    box-shadow: var(--blog-shadow);
    display: block;
}

@media (max-width: 640px) {
    .blog-post-featured-img {
        height: 220px;
    }
}

/* Conteúdo do artigo */
.blog-post-content {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--blog-text);
}

.blog-post-content h2 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--blog-secondary);
    margin: 36px 0 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--blog-border);
}

.blog-post-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--blog-secondary);
    margin: 26px 0 10px;
}

.blog-post-content p {
    margin-bottom: 18px;
}

.blog-post-content ul,
.blog-post-content ol {
    margin: 0 0 18px 22px;
    padding: 0;
}

.blog-post-content ul li,
.blog-post-content ol li {
    margin-bottom: 8px;
    line-height: 1.6;
}

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

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

.blog-post-content strong {
    font-weight: 700;
    color: var(--blog-secondary);
}

/* FAQ */
.blog-faq {
    margin: 40px 0;
}

.blog-faq h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--blog-secondary);
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--blog-border);
}

.blog-faq-item {
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    margin-bottom: 10px;
    overflow: hidden;
}

.blog-faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 16px 20px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--blog-secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    background-color: var(--blog-bg-card);
    transition: background var(--blog-transition);
}

.blog-faq-question:hover {
    background-color: var(--blog-accent);
}

.blog-faq-question .faq-icon {
    flex-shrink: 0;
    transition: transform 0.25s ease;
    color: var(--blog-primary);
}

.blog-faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.blog-faq-answer {
    display: none;
    padding: 14px 20px 18px;
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--blog-text-muted);
    border-top: 1px solid var(--blog-border);
    background-color: var(--blog-bg-card);
}

.blog-faq-answer.open {
    display: block;
}

/* Artigos relacionados */
.blog-related {
    margin: 40px 0;
    padding: 28px;
    background-color: var(--blog-accent);
    border-radius: var(--blog-radius);
}

.blog-related h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--blog-secondary);
    margin-bottom: 16px;
}

.blog-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}

.blog-related-card {
    background-color: var(--blog-bg-card);
    border-radius: var(--blog-radius);
    padding: 14px;
    border: 1px solid var(--blog-border);
    transition: border-color var(--blog-transition);
}

.blog-related-card:hover {
    border-color: var(--blog-primary);
}

.blog-related-card .blog-card-category {
    margin-bottom: 8px;
}

.blog-related-card a {
    color: var(--blog-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    line-height: 1.35;
    display: block;
}

.blog-related-card a:hover {
    color: var(--blog-primary);
    text-decoration: none;
}

/* Sidebar */
.blog-sidebar-box {
    background-color: var(--blog-bg-card);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 20px;
    margin-bottom: 20px;
}

.blog-sidebar-box h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--blog-secondary);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--blog-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.blog-sidebar-box ul {
    list-style: none;
}

.blog-sidebar-box ul li {
    margin-bottom: 8px;
}

.blog-sidebar-box ul li a {
    font-size: 0.88rem;
    color: var(--blog-text-muted);
    text-decoration: none;
    transition: color var(--blog-transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-sidebar-box ul li a::before {
    content: '→';
    color: var(--blog-primary);
    font-size: 0.8rem;
    flex-shrink: 0;
}

.blog-sidebar-box ul li a:hover {
    color: var(--blog-primary);
    text-decoration: none;
}

.blog-sidebar-cta {
    background: linear-gradient(135deg, var(--blog-primary-dark) 0%, var(--blog-primary) 100%);
    color: #FFFFFF;
    border-radius: var(--blog-radius);
    padding: 22px;
    text-align: center;
    margin-bottom: 20px;
}

.blog-sidebar-cta h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 10px;
}

.blog-sidebar-cta p {
    font-size: 0.85rem;
    opacity: 0.88;
    margin-bottom: 16px;
    line-height: 1.5;
}

/* WhatsApp fixo */
.blog-whatsapp-fixed {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--blog-whatsapp);
    color: #FFFFFF;
    padding: 12px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(37,211,102,0.45);
    transition: background var(--blog-transition), transform var(--blog-transition);
}

.blog-whatsapp-fixed:hover {
    background-color: var(--blog-whatsapp-dark);
    transform: translateY(-2px);
    text-decoration: none;
    color: #FFFFFF;
}

.blog-whatsapp-fixed-icon {
    display: flex;
    align-items: center;
}

/* ================================================
   IMAGEM PLACEHOLDER
   ================================================ */

.blog-img-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--blog-accent) 0%, #E8DDD0 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--blog-primary);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--blog-radius);
}

.blog-img-placeholder svg {
    opacity: 0.5;
}

/* ================================================
   UTILITÁRIOS
   ================================================ */

.blog-text-center { text-align: center; }
.blog-mt-sm { margin-top: 16px; }
.blog-mt-md { margin-top: 28px; }
.blog-mt-lg { margin-top: 48px; }
.blog-mb-sm { margin-bottom: 16px; }
.blog-mb-md { margin-bottom: 28px; }
.blog-divider {
    border: none;
    border-top: 1px solid var(--blog-border);
    margin: 32px 0;
}

/* ================================================
   RESPONSIVO — MOBILE FIRST
   ================================================ */

@media (max-width: 900px) {
    .blog-post-layout {
        grid-template-columns: 1fr;
    }
    .blog-post-sidebar {
        position: static;
        order: 99;
    }
    .blog-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .blog-post-h1 {
        font-size: 1.65rem;
    }
}

@media (max-width: 640px) {
    .blog-hero h1 {
        font-size: 1.5rem;
    }
    .blog-hero {
        padding: 40px 16px 36px;
    }
    .blog-section {
        padding: 36px 16px;
    }
    .blog-header-inner {
        padding: 12px 16px;
    }
    .blog-nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 12px 0;
        box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        border-top: 1px solid var(--blog-border);
    }
    .blog-nav-list.open {
        display: flex;
    }
    .blog-nav-list li {
        width: 100%;
    }
    .blog-nav-list a {
        display: block;
        padding: 12px 20px;
        border-radius: 0;
    }
    .blog-menu-toggle {
        display: flex;
    }
    .blog-header {
        position: relative;
    }
    .blog-nav {
        position: relative;
    }
    .blog-footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .blog-footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .blog-categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .blog-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .blog-cta-block {
        padding: 28px 18px;
    }
    .blog-post-h1 {
        font-size: 1.45rem;
    }
    .blog-post-content h2 {
        font-size: 1.2rem;
    }
    .blog-related-grid {
        grid-template-columns: 1fr;
    }
    .blog-whatsapp-fixed {
        padding: 12px 14px;
        font-size: 0;
        border-radius: 50%;
        width: 54px;
        height: 54px;
        justify-content: center;
    }
    .blog-whatsapp-fixed svg {
        width: 26px;
        height: 26px;
    }
}