/* ==========================================================================
   AXIA DESIGN SYSTEM - ENTERPRISE GRADE
   ========================================================================== */
:root {
    /* Paleta Corporativa Billion-Dollar */
    --color-primary: #05101E;      /* Midnight Blue profundo */
    --color-secondary: #0A223E;    /* Navy Blue */
    --color-accent: #248F8D;       /* Teal Exclusivo AXIA */
    --color-accent-hover: #1A6C6A;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F4F7FA;
    --color-text-main: #1E293B;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    
    /* Tipografia Fluid */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --text-xs: clamp(0.75rem, 0.7vw, 0.8rem);
    --text-sm: clamp(0.875rem, 0.8vw, 0.95rem);
    --text-base: clamp(1rem, 1vw, 1.125rem);
    --text-lg: clamp(1.25rem, 1.5vw, 1.5rem);
    --text-xl: clamp(1.75rem, 2vw, 2.25rem);
    --text-2xl: clamp(2.5rem, 4vw, 3.5rem);
    --text-3xl: clamp(3rem, 5vw, 4.5rem);

    /* Layout & Sombras */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 4px rgba(5, 16, 30, 0.05);
    --shadow-md: 0 12px 32px rgba(5, 16, 30, 0.08);
    --shadow-xl: 0 24px 64px rgba(5, 16, 30, 0.12);
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.25, 1, 0.5, 1);
}

/* ==========================================================================
   RESET & FUNDAMENTALS
   ========================================================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-family: var(--font-sans); color: var(--color-text-main); background: var(--color-surface); }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }

.container { max-width: 1320px; margin: 0 auto; padding: 0 24px; }
.section { padding: 120px 0; }
.bg-light { background-color: var(--color-surface-alt); }
.bg-white { background-color: var(--color-surface); }
.bg-dark { background-color: var(--color-primary); color: #fff; }

h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.section-title { font-size: var(--text-2xl); margin-bottom: 24px; color: var(--color-primary); }
.bg-dark .section-title { color: #fff; }
.section-subtitle { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 700px; margin-bottom: 64px; }

/* ==========================================================================
   COMPONENTES (BOTÕES & TAGS)
   ========================================================================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 16px 32px; font-size: var(--text-sm); font-weight: 600;
    border-radius: var(--radius-sm); text-decoration: none; border: 2px solid transparent;
    transition: var(--transition-fast); cursor: pointer;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(36, 143, 141, 0.3); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.3); color: #fff; backdrop-filter: blur(4px); }
.btn-outline:hover { background: #fff; color: var(--color-primary); }

.btn-text {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: var(--text-sm); font-weight: 600; color: var(--color-accent); text-decoration: none;
    transition: var(--transition-fast); margin-top: auto;
}
.btn-text:hover { gap: 12px; color: var(--color-primary); }

/* ==========================================================================
   CABEÇALHO (GLASSMORPHISM ENTERPRISE)
   ========================================================================== */
.navbar {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: var(--transition-fast);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 88px; }
.logo img { height: 42px; }

/* BOTÃO MENU MOBILE (Escondido no Desktop) */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    padding: 4px;
}

.nav-menu ul { display: flex; gap: 40px; list-style: none; align-items: center; }
.nav-menu a {
    display: flex; align-items: center; gap: 6px;
    text-decoration: none; color: var(--color-primary); font-weight: 600; font-size: 0.9rem;
    transition: color 0.2s; padding: 32px 0;
}
.nav-menu a:hover { color: var(--color-accent); }

/* MEGA MENU & DROPDOWN */
.dropdown { position: relative; }
.mega-menu {
    position: absolute; top: 100%; left: -200px;
    width: 700px; background: #fff; border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl); border: 1px solid var(--color-border);
    opacity: 0; visibility: hidden; transform: translateY(16px);
    transition: var(--transition-fast); padding: 32px;
}
.dropdown:hover .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-menu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mega-item { display: flex; flex-direction: column; gap: 16px; padding: 16px; border-radius: var(--radius-sm); background: transparent; padding: 16px !important; }
.mega-item:hover { background: var(--color-surface-alt); }
.mega-icon { width: 48px; height: 48px; background: rgba(36, 143, 141, 0.1); color: var(--color-accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.mega-text h4 { font-size: 1rem; color: var(--color-primary); margin-bottom: 4px; }
.mega-text p { font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.4; }

.lang-switch { display: flex; gap: 8px; background: var(--color-surface-alt); padding: 4px; border-radius: 20px; }
.lang-switch button {
    border: none; background: transparent; padding: 6px 12px; border-radius: 16px;
    font-size: 0.75rem; font-weight: 700; color: var(--color-text-muted); cursor: pointer;
}
.lang-switch button.active { background: #fff; color: var(--color-primary); box-shadow: var(--shadow-sm); }

/* ==========================================================================
   HERO SECTION COM VÍDEO
   ========================================================================== */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    background: var(--color-primary); /* Fallback de cor caso o vídeo não carregue */
    padding-top: 88px;
    overflow: hidden;
}
.hero-video {
    position: absolute;
    top: 50%; left: 50%;
    min-width: 100%; min-height: 100%;
    width: auto; height: auto;
    transform: translateX(-50%) translateY(-50%);
    z-index: 0;
    object-fit: cover;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(75deg, rgba(5,16,30,0.95) 0%, rgba(5,16,30,0.75) 20%, rgba(5,16,30,0.4) 100%);
    z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 800px; color: #fff; }
.badge-premium {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px; background: rgba(255,255,255,0.1); backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2); border-radius: 100px;
    font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
    margin-bottom: 32px; color: #E2E8F0;
}
.hero-content h1 { font-size: var(--text-3xl); margin-bottom: 24px; color: #fff; }
.hero-content p { font-size: var(--text-lg); color: #CBD5E1; margin-bottom: 48px; font-weight: 300; }
.hero-actions { display: flex; gap: 16px; }

/* ==========================================================================
   METRICS BAR
   ========================================================================== */
.metrics-bar { background: var(--color-secondary); padding: 48px 0; border-top: 1px solid rgba(255,255,255,0.1); }
.metrics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.metric-item h3 { font-size: var(--text-2xl); color: var(--color-accent); margin-bottom: 8px; }
.metric-item p { color: #CBD5E1; font-size: var(--text-sm); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }

/* ==========================================================================
   SOBRE A COMPANHIA
   ========================================================================== */
.enterprise-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px; align-items: center; }
.lead-text { font-size: var(--text-base); color: var(--color-text-muted); margin-bottom: 48px; font-weight: 400; }
.feature-boxes { display: flex; flex-direction: column; gap: 32px; }
.feature-box { display: flex; flex-direction: column; gap: 12px; }
.feature-icon { width: 48px; height: 48px; background: var(--color-surface-alt); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--color-accent); }
.feature-box h4 { font-size: var(--text-lg); color: var(--color-primary); }
.feature-box p { color: var(--color-text-muted); font-size: var(--text-sm); }
.enterprise-image { position: relative; }
.abstract-shape { background: var(--color-surface-alt); border-radius: var(--radius-lg); padding: 80px; text-align: center; box-shadow: inset 0 0 100px rgba(0,0,0,0.02); }
.abstract-shape img { opacity: 0.1; filter: grayscale(100%); transform: scale(1.5); }

/* ==========================================================================
   PORTFÓLIO (CARDS DE ALTO PADRÃO - ÁREAS DE ATUAÇÃO)
   ========================================================================== */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.product-card {
    background: #fff; border-radius: var(--radius-md); overflow: hidden;
    box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
    display: flex; flex-direction: column; transition: var(--transition-slow);
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: rgba(36, 143, 141, 0.3); }

.card-content { padding: 40px 32px; display: flex; flex-direction: column; flex-grow: 1; }
.card-content h3 { font-size: var(--text-lg); margin-bottom: 16px; }
.card-content p { color: var(--color-text-muted); font-size: var(--text-sm); margin-bottom: 32px; flex-grow: 1; }

.premium-card { border: none; color: #fff; }
.premium-card .card-content { justify-content: center; text-align: center; }
.premium-card h3 { color: #fff; font-size: var(--text-xl); }
.premium-card p { color: #94A3B8; font-size: var(--text-base); }

/* GRADIENTES EXCLUSIVOS POR SETOR */
.premium-card.card-construcao { background: linear-gradient(135deg, var(--color-secondary), var(--color-primary)); }
.premium-card.card-quimica { background: linear-gradient(135deg, #113642, var(--color-primary)); }
.premium-card.card-agro { background: linear-gradient(135deg, var(--color-accent-hover), var(--color-primary)); }

.icon-hero { margin: 0 auto 24px auto; display: flex; justify-content: center; color: var(--color-accent); width: 64px; height: 64px; }
.tag-row { display: flex; gap: 12px; margin-top: 32px; }
.justify-center { justify-content: center; width: 100%; }
.badge-outline { border: 1px solid rgba(255,255,255,0.2); padding: 6px 12px; border-radius: 100px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; color: var(--color-accent); }

/* ==========================================================================
   CONTATO (B2B FORM)
   ========================================================================== */
.contact-enterprise { max-width: 1000px; margin: 0 auto; }
.contact-header { text-align: center; margin-bottom: 64px; }
.contact-header p { color: #94A3B8; font-size: var(--text-lg); margin-top: 16px; }
.contact-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; background: var(--color-secondary); padding: 48px; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.05); }
.data-block { display: flex; gap: 16px; margin-bottom: 32px; color: #fff; }
.data-block svg { width: 32px; height: 32px; color: var(--color-accent); flex-shrink: 0; }
.data-block h5 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-accent); margin-bottom: 4px; }
.data-block p { font-size: 1.1rem; }

.enterprise-form { display: flex; flex-direction: column; gap: 24px; }
.input-group { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.enterprise-form input, .enterprise-form select, .enterprise-form textarea {
    width: 100%; padding: 18px 24px;
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm); color: #fff; font-family: inherit; font-size: var(--text-sm);
    transition: var(--transition-fast);
}
.enterprise-form select option { background: var(--color-primary); }
.enterprise-form input:focus, .enterprise-form select:focus, .enterprise-form textarea:focus { outline: none; border-color: var(--color-accent); background: rgba(255,255,255,0.08); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background: #020810; color: #64748B; padding: 80px 0 32px; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 64px; border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 64px; margin-bottom: 32px; }
.footer-logo { height: 32px; margin-bottom: 24px; opacity: 0.5; }
.brand-col p { font-size: var(--text-sm); max-width: 320px; line-height: 1.8; }
.footer-col h4 { color: #fff; margin-bottom: 24px; font-size: 1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.footer-col a { color: #64748B; text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--color-accent); }
.social-links a { color: #64748B; transition: color 0.2s; }
.social-links a:hover { color: #fff; }
.footer-legal { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; }
.legal-links { display: flex; gap: 24px; }
.legal-links a { color: #64748B; text-decoration: none; }

/* ==========================================================================
   RESPONSIVIDADE (MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
    .enterprise-grid, .products-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .metrics-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .mega-menu { display: none; } /* Fallback para dropdown simples em telas menores */
}

@media (max-width: 768px) {
    .nav-container { 
        height: auto; 
        padding: 16px 24px; 
        flex-direction: row; /* Mantém logo e botão alinhados horizontalmente */
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap; /* Permite que o menu desça para a próxima linha */
    }
    
    .mobile-menu-btn { display: block; }
    
    /* Esconde menu e seletor de idioma por padrão */
    .nav-menu, .lang-switch { 
        display: none; 
        width: 100%; 
    }
    
    /* Exibe os elementos quando a classe .active for injetada pelo JS */
    .nav-menu.active { display: block; padding-top: 16px; }
    .lang-switch.active { display: flex; justify-content: center; margin-top: 16px; margin-bottom: 8px; }

    .nav-menu ul { flex-direction: column; text-align: center; padding: 0; gap: 0; }
    .nav-menu a { padding: 16px 0; border-bottom: 1px solid rgba(0,0,0,0.05); justify-content: center; }
    
    /* Oculta os ícones do Mega Menu no mobile para economizar espaço */
    .dropdown svg { display: none; }
    
    .input-group { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-legal { flex-direction: column; gap: 16px; text-align: center; }
}
/* ==========================================================================
   CATÁLOGO DE PRODUTOS - PÁGINA INTERNA DE SETOR
   ========================================================================== */
.sector-hero {
    padding: 160px 0 80px 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    text-align: center;
}
.sector-hero h1 { font-size: var(--text-3xl); margin-bottom: 24px; color: #fff; }
.sector-hero p { font-size: var(--text-lg); color: #CBD5E1; max-width: 800px; margin: 0 auto; font-weight: 300; }

.catalog-section {
    padding: 80px 0;
    background: var(--color-surface-alt);
}
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}
.catalog-card {
    background: #d6d6d6;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
    display: flex;
    flex-direction: column;
    transition: var(--transition-fast);
}
.catalog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(36, 143, 141, 0.4);
}
.catalog-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}
.catalog-title {
    font-size: var(--text-xl);
    color: var(--color-primary);
    font-weight: 700;
}
.catalog-icon {
    color: var(--color-accent);
    background: rgba(36, 143, 141, 0.1);
    padding: 12px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.catalog-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}
.catalog-desc {
    color: var(--color-text-main);
    font-size: var(--text-sm);
    line-height: 1.6;
    margin-bottom: 32px;
    flex-grow: 1;
}
.catalog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}
.catalog-tag {
    background: var(--color-surface-alt);
    color: var(--color-primary);
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid var(--color-border);
}
/* ==========================================================================
   PÁGINA DE ERRO (500 / 404)
   ========================================================================== */
.error-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.error-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 700px;
    margin: 0 auto;
}

.error-badge {
    border-color: rgba(239, 68, 68, 0.3); /* Tom de alerta sutil */
    color: #FCA5A5; /* Vermelho claro */
}

.error-badge svg {
    color: #EF4444; /* Ícone em vermelho para indicar atenção */
}

.error-title {
    font-size: var(--text-3xl);
    margin-bottom: 24px;
    color: #ffffff;
}

.error-text {
    font-size: var(--text-lg);
    color: #CBD5E1;
    margin-bottom: 48px;
    font-weight: 400;
}

.error-actions {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsividade adicional para a tela de erro */
@media (max-width: 768px) {
    .error-title {
        font-size: var(--text-2xl);
    }
    .error-text {
        font-size: var(--text-base);
    }
    .error-actions {
        flex-direction: column;
        width: 100%;
        gap: 16px;
    }
    .error-actions .btn {
        width: 100%;
    }
}