/* Variáveis de cores */
        :root {
            --primary: rgba(255, 0, 0, 0.715);
            --secondary: #2a4a7f;
            --accent: white;
            --light: #f4f4f4;
            --dark: #333;
        }
        
        /* Reset e estilos gerais */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* Cabeçalho */
        header {
            background-color: var(--primary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(243, 24, 24, 0.1);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        
        .logo span {
            color: var(--accent);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 1.5rem;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: var(--accent);
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(241, 52, 52, 0.8), rgba(232, 142, 142, 0.8)), url('https://placehold.co/1200x600/1a365d/ffffff?text=Segurança+Eletrônica') no-repeat center center/cover;
            color: white;
            padding: 6rem 0;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        
        .btn {
            display: inline-block;
            background-color: var(--accent);
            color: var(--primary);
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            text-decoration: none;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .btn:hover {
            background-color: white;
        }
        
        /* Seções */
        section {
            padding: 5rem 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        
        .section-title p {
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Serviços */
        .services {
            background-color: white;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .service-card {
            background-color: var(--light);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(255, 27, 27, 0.1);
            transition: transform 0.3s;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
        }
        
       .service-img {
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-card:hover .service-img img {
    transform: scale(1.05);
}
        
        .service-content {
            padding: 1.5rem;
        }
        
        .service-content h3 {
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        
        /* Sobre */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        
        .about-text h2 {
            color: var(--primary);
            margin-bottom: 1.5rem;
        }
        
        .about-text p {
            margin-bottom: 1rem;
        }
        
        .about-image {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* Contato */
        .contact {
            background-color: white;
        }
        
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
        }
        
        .contact-info h3 {
            color: var(--primary);
            margin-bottom: 1.5rem;
        }
        
        .contact-details {
            margin-bottom: 2rem;
        }
        
        .contact-details p {
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
        }
        
        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 5px;
        }
        
        .contact-form textarea {
            min-height: 150px;
        }
        
        /* Footer */
        footer {
            background-color: var(--primary);
            color: white;
            padding: 3rem 0 1rem;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-section h3 {
            margin-bottom: 1.5rem;
            color: var(--accent);
        }
        
        .footer-section p, .footer-section a {
            color: #ccc;
            margin-bottom: 0.5rem;
            display: block;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-section a:hover {
            color: var(--accent);
        }
        
       .social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f4f4f4;
    color: red;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: #1a365d;
    color: white;
    transform: translateY(-3px);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group select {
    background-color: white;
}

.loading {
    text-align: center;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 5px;
    margin-bottom: 15px;
}

.alert {
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 15px;
    display: none;
}

.alert.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
/* Cores específicas para cada rede social */
.social-links a:nth-child(1):hover { background-color: #3b5998; } /* Facebook */
.social-links a:nth-child(2):hover { background-color: #e4405f; } /* Instagram */
.social-links a:nth-child(3):hover { background-color: #25d366; } /* WhatsApp */