:root {
    --background-color: #0a0a0a;
    --surface-color: #151515;
    --primary-text-color: #ffffff;
    --secondary-text-color: #d1d1d1;
    --accent-color: #e60000;
    --whatsapp-color: #25d366;
    --border-radius: 12px;
    --transition: 0.3s ease-in-out;
}

/* 1. CORREÇÃO GLOBAL */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--background-color);
    color: var(--primary-text-color);
    margin: 0; padding: 0;
    line-height: 1.6;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* --- MENU DE NAVEGAÇÃO (UNIVERSAL PARA TODAS AS ABAS) --- */
nav, .main-nav {
    background: rgba(0,0,0,0.95);
    padding: 15px 10px;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #222;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

nav a, .nav-link {
    color: white;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    transition: var(--transition);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    text-align: center;
}

nav a:hover, .nav-link:hover { 
    color: var(--accent-color); 
}

/* Estado Ativo e Destaques */
nav a.active, .nav-link.active { 
    background: rgba(230, 0, 0, 0.1); 
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

/* Partículas */
#particle-container { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.particle { position: absolute; background: var(--accent-color); border-radius: 50%; opacity: 0.3; filter: blur(1px); animation: float-up var(--duration) linear infinite; }
@keyframes float-up { 0% { transform: translateY(110vh); opacity: 0; } 50% { opacity: 0.4; } 100% { transform: translateY(-10vh); opacity: 0; } }

/* WhatsApp Flutuante */
.wpp-floating { position: fixed; bottom: 25px; right: 25px; width: 60px; height: 60px; background-color: var(--whatsapp-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(0,0,0,0.4); z-index: 999; animation: pulse-wpp 2s infinite; cursor: pointer; border: none; }
.wpp-floating svg { width: 35px; height: 35px; fill: white; }
@keyframes pulse-wpp { 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); } }

/* Banner e Seções */
.banner { height: 35vh; background-image: url('banner.png'); background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; border-bottom: 2px solid var(--accent-color); }
.section-title { text-align: center; text-transform: uppercase; letter-spacing: 3px; margin: 40px 0; font-size: 1.8rem; }

/* Grid de Serviços */
.services-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); 
    gap: 20px; 
    max-width: 1300px; 
    margin: 0 auto; 
    padding: 0 20px; 
}

.service-card { 
    background-color: var(--surface-color); 
    border: 1px solid #222; 
    border-radius: var(--border-radius); 
    padding: 20px; 
    text-align: center; 
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card:hover { transform: translateY(-8px); border-color: var(--accent-color); }
.service-card img { width: 100%; border-radius: 8px; margin-bottom: 15px; }
.service-card h3 { margin: 10px 0; font-size: 1.2rem; } 
.service-card p { color: var(--secondary-text-color); font-size: 0.85rem; margin-bottom: 20px; }

/* Botões de Serviço */
.btn-whatsapp { 
    background-color: var(--accent-color); 
    color: #fff; 
    padding: 12px 15px; 
    border-radius: 30px; 
    display: block; 
    font-weight: 800; 
    text-decoration: none; 
    text-transform: uppercase; 
    font-size: 0.75rem; 
    border: none; 
    width: 100%; 
    max-width: 200px; 
    margin: 0 auto; 
    cursor: pointer;
    transition: transform 0.2s ease;
}

/* Sobre */
.about-section { padding: 80px 15px; background-color: #0d0d0d; border-top: 1px solid #222; }
.about-container { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; align-items: center; }
.about-img { width: 100%; border-radius: var(--border-radius); border: 1px solid var(--accent-color); }
.about-text h2 { color: var(--accent-color); font-size: 2rem; }

footer { text-align: center; padding: 40px; color: #555; font-size: 0.8rem; }

/* --- RESPONSIVIDADE (CELULAR) --- */
@media (max-width: 768px) { 
    nav, .main-nav {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        padding: 15px;
    }

    nav a, .nav-link {
        background: #111;
        border: 1px solid #222;
        font-size: 0.7rem;
        padding: 12px 5px;
    }

    .services-grid { grid-template-columns: 1fr; max-width: 400px; }
    .about-container { grid-template-columns: 1fr; text-align: center; } 
    .about-img { max-width: 250px; margin: 0 auto; } 
}