:root {
    --glass-border: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.02) 100%);
    /* Vidro Fumê: Fundo muito mais sólido e escuro (85% de opacidade) para garantir contraste */
    --glass-bg: rgba(6, 13, 20, 0.85); 
    --glass-shadow: 0 16px 40px 0 rgba(0, 0, 0, 0.6);
}

body {
    background-color: #040b11;
    color: #f0f5f8;
    overflow-x: hidden;
    /* Textura base em todo o site */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
    background-attachment: fixed;
}

::selection {
    background: #00ffa3;
    color: #040b11;
}

/* Scrollbar customizada */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #040b11; }
::-webkit-scrollbar-thumb { background: #a3bccc; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #00d2ff; }

/* Utilitários Avançados de Vidro (Glassmorphism de alto padrão) */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--glass-shadow);
    position: relative;
    overflow: hidden;
}

.glass-panel-light {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 20px 50px rgba(4, 11, 17, 0.05);
    position: relative;
    overflow: hidden;
}

/* Borda brilhante no topo para simular o corte do vidro */
.glass-panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    z-index: 10;
}

/* Mantendo e aprimorando as classes do Nav original solicitadas pelo usuário */
.text-gradient {
    background: linear-gradient(135deg, #00ffa3 0%, #00d2ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-brand {
    background: linear-gradient(135deg, #00ffa3 0%, #00d2ff 100%);
    color: #040b11; /* Contraste forte */
}

/* Menu mais sólido para não atrapalhar leitura ao rolar a página */
.glass-effect {
    background: rgba(4, 11, 17, 0.85); 
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Orquestração de Animações (Staggering) */
.stagger-1 { animation-delay: 100ms; }
.stagger-2 { animation-delay: 200ms; }
.stagger-3 { animation-delay: 400ms; }
.stagger-4 { animation-delay: 600ms; }
.stagger-5 { animation-delay: 800ms; }

/* Esferas de luz difusas para o fundo */
.ambient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15; /* Reduzido drasticamente para não ofuscar textos (era 0.4) */
    pointer-events: none;
    z-index: -1;
}

/* Efeito Hover nas imagens para parecer refração */
.refraction-hover:hover img {
    transform: scale(1.05);
    filter: saturate(1.2) contrast(1.1);
}

/* Active State para os links da Navbar (Desktop) */
#navbar nav a.active {
    color: #ffffff !important;
    border-bottom: 2px solid #00ffa3;
    padding-bottom: 2px;
}

/* Active State para os links da Navbar (Mobile) */
#mobile-menu a.active {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.08);
}

/* Estilos adicionais para o rodapé e botão flutuante */
.footer-copy a {
    color: #00ffa3;
    font-weight: 500;
    transition: color 0.3s ease;
}
.footer-copy a:hover {
    color: #00d2ff;
}

/* Botão Flutuante do WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100;
    background-color: #25d366;
    color: #ffffff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, background-color 0.3s ease;
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background-color: #20ba5a;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Card CTA WhatsApp */
.cta-whatsapp-card {
    background: linear-gradient(135deg, rgba(10, 20, 29, 0.85) 0%, rgba(4, 11, 17, 0.9) 100%);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--glass-shadow);
    transition: border-color 0.3s ease;
}

.cta-whatsapp-card:hover {
    border-color: rgba(0, 255, 163, 0.4);
}

.cta-whatsapp-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.cta-whatsapp-card p {
    color: #a3bccc;
    font-size: 1rem;
    margin-bottom: 2rem;
    font-light: true;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, #00ffa3 0%, #00d2ff 100%);
    color: #040b11;
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: 9999px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 255, 163, 0.4);
}