/* ============================================
   Variáveis CSS - Design Minimalista e Profissional
   Blog Vida 360º - Nova Paleta
   ============================================ */
:root {
    /* Cores Principais - Minimalista e Sofisticado */
    --primary: #2C3E50;        /* Azul acinzentado escuro */
    --primary-light: #34495E;  /* Azul acinzentado médio */
    --accent: #E74C3C;         /* Vermelho coral (CTAs) */
    --accent-light: #EC7063;   /* Vermelho coral claro */
    
    /* Neutros */
    --white: #FFFFFF;
    --gray-50: #FAFAFA;        /* Background principal */
    --gray-100: #F5F5F5;       /* Background secundário */
    --gray-200: #EEEEEE;       /* Bordas */
    --gray-300: #E0E0E0;       /* Divisores */
    --gray-600: #757575;       /* Texto secundário */
    --gray-900: #212121;       /* Texto principal */
    
    /* Sucesso/Confiança */
    --success: #27AE60;        /* Verde sucesso */
    --info: #3498DB;           /* Azul informação */
    
    /* Sombras - Sutis e Elegantes */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Tipografia */
    --font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    
    /* Cores Antigas (compatibilidade) */
    --blue-dark: #2C3E50;
    --blue-primary: #2C3E50;
    --blue-secondary: #3498DB;
    --blue-light: #ECF0F1;
    --blue-background: #FAFAFA;
    --text-color: #FFFFFF;
    --text-dark: #212121;
    --shadow-hover: 0 8px 12px rgba(0, 0, 0, 0.2);
}

/* ============================================
   Estilos Gerais - Minimalista e Profissional
   ============================================ */
body {
    font-family: var(--font-family);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    background-color: var(--gray-50);
    color: var(--gray-900);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Container Centralizado */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================
   Cabeçalho - Escuro unificado (todas as páginas)
   ============================================ */
header {
    background-color: var(--blue-dark);
    color: var(--text-color);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.02em;
}

header nav ul li a {
    color: var(--text-color);
}

header nav ul li a:hover {
    color: var(--blue-light);
}

/* Menu de Navegação */
nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

nav ul li {
    margin-right: 20px;
}

nav ul li a {
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius);
}

nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

/* Sessões do Blog */
main {
    padding: 40px 0;
    text-align: center;
}

/* Grid de Posts */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    justify-content: center;
    align-items: start;
}

/* Estiliza os Posts na Página Principal */
.post {
    background: #ffffff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.post::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.post:hover::before {
    left: 100%;
}

.post img.post-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
}

/* Botão Leia Mais */
.read-more {
    display: inline-block;
    padding: 10px 18px;
    background-color: var(--blue-secondary);
    color: var(--text-color);
    text-decoration: none;
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: var(--transition);
}

.read-more:hover {
    background-color: var(--primary-light);
    color: var(--text-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Estilo do Conteúdo do Post */
#post-content {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-lg);
    text-align: justify;
    line-height: 1.8;
    font-size: var(--font-size-base);
}

/* Títulos do Post */
#post-content h1, #post-content h2, #post-content h3 {
    margin-top: var(--spacing-lg);
    color: var(--blue-primary);
}

/* Links */
#post-content a {
    color: var(--blue-secondary);
    text-decoration: none;
    font-weight: 600;
}

#post-content a:hover {
    color: var(--blue-primary);
    text-decoration: underline;
}

/* Imagens */
#post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    margin: 20px auto;
}

/* Seção de Comentários */
#comments-section {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    margin-top: var(--spacing-lg);
}

#comments-section h3 {
    margin-top: 0;
    color: var(--blue-primary);
}

/* Formulário de Comentários */
#comment-form {
    display: flex;
    flex-direction: column;
}

#comment-form label {
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

#comment-form input,
#comment-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-top: var(--spacing-xs);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
}

#comment-form button {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--blue-secondary);
    color: var(--text-color);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: var(--transition);
}

#comment-form button:hover {
    background: var(--blue-primary);
}

/* Comentários */
#comments-container {
    margin-top: var(--spacing-lg);
}

.comment {
    background: var(--gray-100);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    margin-top: var(--spacing-sm);
    border-left: 4px solid var(--blue-secondary);
    transition: transform 0.2s;
}

.comment:hover {
    transform: translateX(4px);
}

/* Rodapé - mesma cor do header */
footer {
    background: var(--blue-dark);
    text-align: center;
    padding: 20px;
    color: var(--text-color);
    margin-top: 20px;
}

/* Acessibilidade */
*:focus {
    outline: 2px solid var(--blue-secondary);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--blue-dark);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Botão secundário (ex: Ver Todos os Artigos) */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--blue-secondary);
    color: var(--text-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--blue-primary);
    color: var(--text-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Container da busca na home */
.search-container {
    margin: var(--spacing-xl) auto;
    max-width: 600px;
}

.search-container input[type="search"] {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    border: 2px solid var(--blue-secondary);
    border-radius: var(--radius);
    box-sizing: border-box;
    font-family: var(--font-family);
}

.search-container input[type="search"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

#search-results {
    display: none;
    margin-top: var(--spacing-lg);
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

#search-results:not(:empty) {
    display: block;
}

/* Bloco título + botão (ex: Últimos Artigos + Ver Todos) */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    margin: 0;
}

/* Animações Suaves */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.post {
    animation: fadeIn 0.5s ease-in;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--blue-primary);
    font-size: 1.2rem;
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Error State */
.error-message {
    background: rgba(231, 76, 60, 0.1);
    color: var(--accent);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
}

/* Success Message */
.success-message {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    margin-top: var(--spacing-md);
    border-left: 4px solid var(--success);
}

/* Comentários - cabeçalho e data */
.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.comment-date {
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* Busca */
.search-results-list {
    list-style: none;
    padding: 0;
}

.search-results-list li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--gray-100);
    border-radius: var(--radius);
    transition: background 0.2s;
}

.search-results-list li:hover {
    background: var(--blue-light);
}

.search-results-list a {
    text-decoration: none;
    color: var(--blue-dark);
    display: block;
}

.search-results-list .category {
    display: inline-block;
    background: var(--blue-light);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-left: 10px;
}

.no-results {
    text-align: center;
    color: var(--gray-600);
    font-style: italic;
    padding: var(--spacing-lg);
}

/* Responsividade Melhorada */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    nav ul {
        flex-direction: column;
        padding-top: 10px;
        gap: 10px;
    }

    nav ul li {
        margin: 0;
    }

    .posts-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

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

    .contact-section {
        margin: 20px auto;
        padding: 20px 15px;
    }

    main .container {
        padding: 0 15px;
    }

    #post-content {
        padding: 15px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    header .logo {
        font-size: 1.5rem;
    }

    nav ul li a {
        font-size: 0.9rem;
    }

    .post h3 {
        font-size: 1.1rem;
    }

    .search-container input[type="search"],
    #search-input {
        font-size: 0.9rem;
        padding: var(--spacing-sm);
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
}

/* Print Styles */
@media print {
    header, footer, nav, #search-container, .comment-section {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    #post-content {
        box-shadow: none;
        border: none;
    }
}
/* Seção de Produtos */
.products-section {
    background-color: var(--blue-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--radius-md);
}

.products-section h1 {
    color: var(--blue-primary);
    margin-bottom: var(--spacing-xl);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    justify-content: center;
}

.product-card {
    background-color: var(--white);
    border: 2px solid var(--blue-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.product-card img {
    max-width: 100%;
    height: auto;
    margin-bottom: var(--spacing-md);
}

.product-card h2 {
    color: var(--blue-primary);
    margin: var(--spacing-md) 0;
    font-size: var(--font-size-xl);
}

.product-card p {
    color: var(--gray-900);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
}

.product-card .button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--blue-secondary);
    color: var(--text-color);
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
}

.product-card .button:hover {
    background-color: var(--blue-primary);
}
/* Estilos para a página de contato */
.contact-section {
    background-color: var(--blue-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    text-align: center;
    max-width: 600px;
    margin: var(--spacing-xl) auto;
}

.contact-section h1 {
    color: var(--blue-dark);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-form label {
    text-align: left;
    font-weight: 600;
    color: var(--blue-dark);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: var(--font-size-base);
    border: 1px solid var(--blue-secondary);
    border-radius: var(--radius);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.04);
}

.contact-form textarea {
    resize: vertical;
}

.contact-form button {
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    background-color: var(--blue-primary);
    color: var(--text-color);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.contact-form button:hover {
    background-color: var(--blue-secondary);
}

/* ============================================
   Botão flutuante WhatsApp (contato / protocolo)
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.45);
    text-decoration: none;
    z-index: 9999;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
    color: #fff;
}
.whatsapp-float:focus {
    outline: 2px solid #25D366;
    outline-offset: 2px;
    color: #fff;
}
.whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
}
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
    }
    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}