/* ==========================================
   HEADER
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--container-padding);
    gap: var(--space-3xl);
}

.header__logo-img {
    height: 65px;
    width: auto;
}

.header__nav {
    flex: 1;
}

.header__menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    margin: 0;
}

.header__menu li {
    margin: 0;
}

.header__menu a {
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-700);
    text-decoration: none;
    transition: color var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header__menu a:hover,
.header__menu .current-menu-item a {
    color: var(--color-primary);
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.header__toggle {
    display: none;
}

/* ==========================================
   MAIN CONTENT
   ========================================== */

.site-main {
    min-height: calc(100vh - 400px);
    padding-top: 89px; /* Altura do header fixo */
}

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

.blog-hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    padding: var(--space-5xl) 0 var(--space-4xl);
    text-align: center;
}

.blog-hero__label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-secondary-light);
    margin-bottom: var(--space-md);
}

.blog-hero__title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

.blog-hero__description {
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
    line-height: 1.7;
}

/* ==========================================
   POSTS GRID
   ========================================== */

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-3xl);
    margin-bottom: var(--space-4xl);
}

.post-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.post-card__image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.post-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.post-card__content {
    padding: var(--space-2xl);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-md);
}

.post-card__separator {
    color: var(--color-gray-300);
}

.post-card__category a {
    color: var(--color-secondary);
    font-weight: 600;
}

.post-card__title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.post-card__title a {
    color: var(--color-gray-900);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.post-card__title a:hover {
    color: var(--color-primary);
}

.post-card__excerpt {
    flex: 1;
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.post-card__link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    align-self: flex-start;
}

.post-card__link:hover {
    color: var(--color-primary-light);
    padding-left: var(--space-sm);
}

/* ==========================================
   POST INDIVIDUAL
   ========================================== */

.post-hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    padding: var(--space-5xl) 0 var(--space-3xl);
}

.post-hero__breadcrumbs {
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
    opacity: 0.8;
}

.post-hero__breadcrumbs a {
    color: var(--color-white);
    text-decoration: none;
}

.post-hero__breadcrumbs a:hover {
    text-decoration: underline;
}

.post-hero__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
    opacity: 0.9;
}

.post-hero__title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    max-width: 900px;
    color: var(--color-white);
    margin: 0;
}

.post-content__wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.post-content__featured-image {
    margin-bottom: var(--space-3xl);
}

.post-content__featured-image img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.post-content__text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray-700);
}

.post-content__text h2 {
    font-size: 2rem;
    margin-top: var(--space-4xl);
    margin-bottom: var(--space-xl);
    color: var(--color-primary);
}

.post-content__text h3 {
    font-size: 1.5rem;
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-lg);
}

.post-content__tags {
    padding-top: var(--space-3xl);
    margin-top: var(--space-3xl);
    border-top: 1px solid var(--color-gray-200);
    color: var(--color-gray-600);
}

.post-content__tags a {
    color: var(--color-primary);
    font-weight: 600;
}

.post-content__share {
    padding-top: var(--space-3xl);
    margin-top: var(--space-3xl);
    border-top: 1px solid var(--color-gray-200);
}

.share-buttons {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.share-button {
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
}

.share-button--facebook {
    background-color: #1877f2;
    color: var(--color-white);
}

.share-button--twitter {
    background-color: #1da1f2;
    color: var(--color-white);
}

.share-button--whatsapp {
    background-color: #25d366;
    color: var(--color-white);
}

.share-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   NAVEGAÇÃO DE POSTS
   ========================================== */

.post-navigation__links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

.post-navigation__link {
    padding: var(--space-2xl);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.post-navigation__link:hover {
    background-color: var(--color-primary-lighter);
    transform: translateX(4px);
}

.post-navigation__link--prev:hover {
    transform: translateX(-4px);
}

.post-navigation__label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    font-weight: 600;
}

.post-navigation__title {
    color: var(--color-gray-900);
    font-weight: 600;
}

/* ==========================================
   PAGINAÇÃO
   ========================================== */

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.pagination .nav-links {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.pagination a,
.pagination .current {
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.pagination a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.pagination .current {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ==========================================
   NO POSTS
   ========================================== */

.no-posts {
    text-align: center;
    padding: var(--space-5xl) 0;
}

.no-posts h2 {
    color: var(--color-gray-700);
    margin-bottom: var(--space-md);
}

.no-posts p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
}

/* ==========================================
   RELATED POSTS
   ========================================== */

.related-posts {
    background-color: var(--color-gray-50);
}

.section__title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--space-3xl);
    color: var(--color-gray-900);
    position: relative;
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    margin: var(--space-lg) auto 0;
    border-radius: var(--radius-full);
}

.section--bg-light {
    background-color: var(--color-gray-50);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-5xl) 0 var(--space-2xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer__logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--space-lg);
}

.footer__description {
    color: var(--color-gray-400);
    line-height: 1.6;
    margin: 0;
}

.footer__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

.footer__links {
    list-style: none;
    margin: 0;
}

.footer__links li {
    margin-bottom: var(--space-md);
}

.footer__link {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-white);
}

.footer__divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: var(--space-3xl) 0;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__copy {
    color: var(--color-gray-400);
    margin: 0;
}

.footer__legal {
    display: flex;
    gap: var(--space-xl);
}

.footer__legal-link {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ==========================================
   WHATSAPP FLUTUANTE
   ========================================== */

.whatsapp-float {
    position: fixed;
    bottom: var(--space-2xl);
    right: var(--space-2xl);
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
    z-index: 999;
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.4);
}

.whatsapp-float__icon {
    width: 32px;
    height: 32px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5), 0 0 0 10px rgba(37, 211, 102, 0.2);
    }
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .blog-hero__title {
        font-size: 2rem;
    }
    
    .post-hero__title {
        font-size: 1.75rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .post-navigation__links {
        grid-template-columns: 1fr;
    }
    
    .share-buttons {
        flex-direction: column;
    }
}