/* Configurações Globais e Nova Paleta de Cores */
:root {
    --color-primary: #1A237E; /* Índigo Escuro */
    --color-secondary: #283593; /* Índigo Médio */
    --color-accent: #00BCD4; /* Ciano Vibrante */
    --color-warning: #FFD700; /* Dourado para destaque/alerta */
    --color-whatsapp: #25D366; /* Verde WhatsApp padrão */
    --color-instagram-start: #fdf497; /* Gradiente Instagram */
    --color-instagram-middle: #fd5949;
    --color-instagram-end: #d6249f;
    
    --color-background: #F5F7FA; /* Fundo limpo e claro */
    --color-text: #333333; /* Texto principal */
    --color-text-light: #f0f0f0; /* Texto claro para fundos escuros */
    --color-light-gray: #E0E0E0; /* Linhas, bordas leves */
}

/* Reset Básico (Mantido) */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    scroll-behavior: smooth; /* Rolagem suave para âncoras */
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- ESTILO DE BOTÕES GERAIS --- */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.btn-whatsapp {
    background-color: var(--color-whatsapp);
    color: white;
    font-size: 1.1em;
    padding: 16px 45px;
    border: none;
}

.btn-whatsapp:hover {
    background-color: #1DA851;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* --- HERO SECTION (TOPO) --- */
.hero-section {
    background: linear-gradient(rgba(26, 35, 126, 0.85), rgba(40, 53, 147, 0.85)),
                url('https://via.placeholder.com/1500x700/1A237E/FFFFFF?text=Barbosatech+Assistência+Técnica');
    background-size: cover;
    background-position: center;
    color: var(--color-text-light);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(to top, var(--color-background) 0%, rgba(255,255,255,0) 100%);
    opacity: 0.5;
}

.hero-section h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 4.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.6);
    letter-spacing: 2px;
}

.hero-section h2 {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 25px;
    line-height: 1.2;
}

.hero-section .highlight {
    color: var(--color-warning);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

.hero-section p {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* --- SEÇÃO DE SERVIÇOS --- */
.services-section {
    padding: 80px 0;
    text-align: center;
    background-color: white;
}

.services-section h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3em;
    color: var(--color-primary);
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
}

.services-section h3::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

.service-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.service-card {
    background-color: var(--color-background);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    border-bottom: 5px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.service-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(-8px);
    border-color: var(--color-accent);
}

.service-card i {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--color-accent);
    transition: color 0.3s ease;
}

.service-card:hover i {
    color: var(--color-primary);
}

.service-card h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.6em;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.service-card p {
    font-size: 1em;
    color: var(--color-text);
}

/* --- SEÇÃO VANTAGENS --- */
.vantagens-section {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    padding: 70px 0;
    text-align: center;
}

.vantagens-section h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.8em;
    margin-bottom: 40px;
    color: white;
}

.vantagens-grid {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
    font-size: 1.1em;
    max-width: 900px;
    margin: 0 auto;
}

.vantagens-grid p {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 20px 30px;
    border-radius: 8px;
    flex-basis: calc(50% - 15px);
    text-align: left;
    display: flex;
    align-items: flex-start;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease;
}

.vantagens-grid p:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.vantagens-grid .fa-check-circle {
    color: var(--color-warning);
    margin-right: 15px;
    font-size: 1.4em;
}

/* --- SECTION CTA --- */
.cta-section {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
    padding: 70px 0;
    text-align: center;
    margin-top: 40px;
}

.cta-section h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5em;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2em;
    margin-bottom: 35px;
}

/* --- RODAPÉ --- */
footer {
    background-color: var(--color-text);
    color: #bbb;
    padding: 30px 0;
    text-align: center;
    font-size: 0.9em;
}

/* --- BOTÕES FIXADOS --- */
.fixed-buttons {
    position: fixed;
    right: 25px;
    bottom: 25px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.btn-fixed {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    color: white;
    font-size: 2em;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.35);
    transition: transform 0.2s ease;
}

.btn-fixed:hover {
    transform: scale(1.15);
}

.btn-fixed.whatsapp {
    background-color: var(--color-whatsapp);
}

.btn-fixed.instagram {
    background: radial-gradient(circle at 30% 107%,
        var(--color-instagram-start) 0%,
        var(--color-instagram-start) 5%,
        var(--color-instagram-middle) 45%,
        var(--color-instagram-end) 60%,
        #285AEB 90%);
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 768px) {
    .hero-section { padding: 100px 0; }
    .hero-section h1 { font-size: 3em; }
    .hero-section h2 { font-size: 1.8em; }
    .hero-section p { font-size: 1em; }

    .services-section h3,
    .vantagens-section h3,
    .cta-section h4 {
        font-size: 2em;
    }

    .service-grid {
        flex-direction: column;
        gap: 25px;
    }

    .vantagens-grid {
        flex-direction: column;
        gap: 15px;
    }

    .btn-whatsapp {
        font-size: 1em;
        padding: 12px 30px;
    }
}