:root {
    --primary: #212121; /* Preto (cor primária base) */
    --primary-dark: #000000; /* Preto mais escuro */
    --accent: #F4511E; /* Laranja (cor de destaque - você pode escolher outra) */
    --light: #333333; /* Cinza escuro (para fundos de seções claras ou variações) */
    --dark: #FFFFFF; /* Branco (cor padrão do texto em fundos pretos) */
    --white: #FFFFFF;
    --shadow: 0 4px 8px rgba(0,0,0,0.3); /* Sombra mais escura */
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: var(--dark); /* Texto branco em fundos pretos */
    background-color: var(--primary); /* Fundo preto */
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header & Navigation */
header {
    background: var(--primary-dark); /* Preto mais escuro */
    color: var(--white);
    padding: 15px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 65px;
    transition: var(--transition);
    border-radius: 5px;
}

.logo img:hover {
    transform: scale(1.05);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
    padding: 5px 0;
    position: relative;
    transition: var(--transition);
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--accent); /* Laranja (cor de destaque) */
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    color: var(--accent); /* Laranja (cor de destaque) */
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25D366;
    padding: 10px 20px;
    border-radius: 30px;
    color: #FFFFFF;
    text-decoration: none;
    font-weight: bold;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.4); /* Sombra mais escura no hover */
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    height: 500px;
    width: 1200;
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('./images/wg-fachada.jpg') no-repeat center/cover;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-dark) 0%, transparent 50%); /* Preto mais escuro */
    opacity: 0.7;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.2rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.6); /* Sombra mais escura */
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    font-weight: 300;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.cta-primary {
    background: #25D366;
    color: var(--white); /* Texto branco no botão primário */
    font-weight: bold;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.4); /* Sombra mais escura no hover */
}

.cta-secondary {
    background: #25D366;
    color: var(--white);
    border: 2px solid var(--white);
    font-weight: bold;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    transition: var(--transition);
}

.cta-secondary:hover {
    background: rgba(255,255,255,0.1);
}

/* Section Styling */
.section {
    padding: 80px 0;
    background-color: var(--light); /* Cinza escuro para seções claras */
}

.section:nth-child(even) {
    background-color: var(--primary); /* Preto para seções alternadas */
}

.section-heading {
    text-align: center;
    margin-bottom: 50px;
}

.section-heading h2 {
    color: var(--white); /* Títulos das seções em branco */
    font-size: 2.2rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-heading h2::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: var(--accent); /* Laranja (cor de destaque) */
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-heading p {
    color: #cccccc; /* Cinza claro para o texto da seção */
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-image {
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.about-image img:hover {
    transform: scale(1.05);
}

.about-text h3 {
    color: var(--accent); /* Laranja (cor de destaque) */
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--dark); /* Branco */
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-icon {
    background-color: var(--primary-dark); /* Preto mais escuro */
    color: var(--accent); /* Laranja (cor de destaque) */
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--primary-dark); /* Preto mais escuro */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.4); /* Sombra mais escura no hover */
}

.service-icon {
    background-color: var(--accent); /* Laranja (cor de destaque) */
    color: var(--white);
    padding: 25px;
    font-size: 2.5rem;
    text-align: center;
}

.service-content {
    padding: 25px;
}

.service-content h3 {
    color: var(--accent); /* Laranja (cor de destaque) */
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.service-content p {
    color: #cccccc; /* Cinza claro */
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--accent); /* Laranja (cor de destaque) */
    font-weight: bold;
    text-decoration: none;
    gap: 5px;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--white);
}

/* Situations Section */
.situations-container {
    position: relative;
}

.situations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.situation-card {
    background: var(--primary-dark); /* Preto mais escuro */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: auto;
    padding: auto;
}

.situation-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.4); /* Sombra mais escura no hover */
}

.situation-image {
    height: 200px; /* Altura fixa para as imagens */
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.situation-image img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.situation-content h3 {
    color: var(--accent); /* Laranja (cor de destaque) */
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.situation-content p {
    color: #cccccc; /* Cinza claro */
}

/* Contact Section */
.contact-section {
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('./images/wg-fachada.jpg') no-repeat center/cover;
    color: var(--white);
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.contact-info {
    background-color: rgba(0,0,0,0.7); /* Preto com transparência */
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 10px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 15px;
}

.contact-icon {
    font-size: 20px;
    color: var(--accent); /* Laranja (cor de destaque) */
}

.contact-details h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-form {
    background-color: var(--primary-dark); /* Preto mais escuro */
    padding: 30px;
    border-radius: 10px;
    color: var(--white);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--accent); /* Laranja (cor de destaque) */
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #555; /* Borda cinza escura */
    border-radius: 5px;
    background-color: #444; /* Fundo cinza escuro */
    color: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent); /* Laranja (cor de destaque) */
    box-shadow: 0 0 0 2px rgba(244, 81, 30, 0.25); /* Sombra laranja no foco */
}

.submit-btn {
    background-color: #25D366;
    color: var(--white);
        padding: 12px 25px;
        border: none;
        border-radius: 30px;
        cursor: pointer;
        font-weight: bold;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .submit-btn:hover {
        background-color: #d3410e; /* Tom mais escuro do laranja */
    }

    .contact-cta {
        text-align: center;
        margin-top: 60px;
    }

    .contact-cta h3 {
        font-size: 2rem;
        margin-bottom: 20px;
        color: var(--white);
    }

    .contact-buttons {
        display: flex;
        gap: 20px;
        justify-content: center;
    }

    /* CTA Section */
    .cta-section {
        background-color: var(--primary-dark); /* Preto mais escuro */
        color: var(--white);
        text-align: center;
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 2.2rem;
        margin-bottom: 20px;
    }

    .cta-content p {
        margin-bottom: 30px;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
        color: #cccccc;
    }

    /* Footer */
    footer {
        background: var(--primary-dark); /* Preto mais escuro */
        color: var(--white);
        padding: 50px 0 20px;
    }

    .footer-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 40px;
        margin-bottom: 40px;
    }

    .footer-column h3 {
        color: var(--white);
        margin-bottom: 20px;
        font-size: 1.3rem;
        position: relative;
        padding-bottom: 10px;
    }

    .footer-column h3::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 30px;
        height: 2px;
        background-color: var(--accent); /* Laranja */
    }

    .footer-column p,
    .footer-column a {
        color: #cccccc;
        margin-bottom: 10px;
        display: block;
        text-decoration: none;
        transition: var(--transition);
    }

    .footer-column a:hover {
        color: var(--accent); /* Laranja */
        transform: translateX(5px);
    }

    .social-links {
        display: flex;
        gap: 15px;
        margin-top: 20px;
    }

    .social-link {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background-color: #444; /* Cinza escuro */
        color: var(--white);
        border-radius: 50%;
        transition: var(--transition);
    }

    .social-link:hover {
        background-color: var(--accent); /* Laranja */
        color: var(--white);
        transform: translateY(-3px);
    }

    .footer-bottom {
        text-align: center;
        padding-top: 20px;
        border-top: 1px solid #555; /* Borda cinza escura */
        font-size: 0.9rem;
        color: #999; /* Cinza mais claro */
    }

    /* Floating WhatsApp Button */
    .floating-whatsapp {
        position: fixed;
        bottom: 30px;
        right: 30px;
        background-color: #25D366; /* Verde padrão do WhatsApp */
        color: var(--white);
        width: 60px;
        height: 60px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 30px;
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
        z-index: 99;
        transition: var(--transition);
        text-decoration: none;
    }

    .floating-whatsapp:hover {
        transform: scale(1.1);
        background-color: #128C7E; /* Verde mais escuro no hover */
    }

    /* Animation */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .animated {
        animation: fadeInUp 0.6s ease forwards;
    }

    /* Responsive Design */
    @media (max-width: 992px) {
        .about-content {
            grid-template-columns: 1fr;
        }

        .contact-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        header {
            padding: 15px;
        }

        .header-content {
            flex-direction: column;
            align-items: flex-start;
        }

        nav {
            width: 100%;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        nav.active {
            max-height: 300px;
        }

        nav ul {
            flex-direction: column;
            gap: 10px;
            padding: 20px 0 10px;
        }

        .menu-toggle {
            display: block;
            position: absolute;
            top: 25px;
            right: 20px;
        }

        .logo {
            margin-bottom: 15px;
        }

        .hero h1 {
            font-size: 2.5rem;
        }

        .cta-buttons {
            flex-direction: column;
            align-items: center;
        }

        .services-grid,
        .situations-grid {
            grid-template-columns: 1fr;
        }

        .footer-content {
            grid-template-columns: 1fr;
            text-align: center;
        }

        .footer-column h3::after {
            left: 50%;
            transform: translateX(-50%);
        }

        .social-links {
            justify-content: center;
        }

        .contact-buttons {
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }

        .reviews-section {
            background-color: #333; /* Cinza escuro */
            padding: 60px 20px;
            text-align: center;
        }

        .google-review-highlight {
            background-color: #444; /* Cinza mais escuro */
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5); /* Sombra mais escura */
            margin-bottom: 30px;
            color: var(--white);
        }

        .review-header {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }

        .review-header h3 {
            margin: 0;
            color: var(--accent); /* Laranja */
        }

        .review-link {
            display: inline-block;
            margin-top: 15px;
            color: #25D366; /* Verde do WhatsApp */
            text-decoration: none;
            font-weight: bold;
        }

        .review-link:hover {
            text-decoration: underline;
            color: #128C7E; /* Verde mais escuro no hover */
        }

        .customer-reviews {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }

        .customer-review-card {
            background-color: #444; /* Cinza mais escuro */
            border: 1px solid #555; /* Borda cinza escura */
            border-radius: 8px;
            padding: 20px;
            width: 100%;
            max-width: 400px;
            text-align: left;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5); /* Sombra mais escura */
            color: var(--white);
        }

        .review-text {
            margin-bottom: 15px;
            color: #cccccc;
        }

        .reviewer-info {
            display: flex;
            align-items: center;
        }

        .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            margin-right: 10px;
            object-fit: cover;
            background-color: #555; /* Cor de fundo do avatar */
        }

        .reviewer-info span {
            font-weight: bold;
            color: var(--white);
        }

        .rating {
            margin-left: auto;
            color: var(--accent); /* Laranja */
        }

        .rating i {
            margin-left: 5px;
        }
    }