:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-gray: #f5f6fa;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Navbar */
.navbar {
    background-color: var(--white);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)),
                url('https://images.unsplash.com/photo-1600880292203-757bb62b4baf?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 1rem;
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #2980b9;
}

/* Sobre Section */
.sobre {
    padding: 5rem 5%;
    background-color: var(--white);
}

.sobre h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.sobre-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.sobre-texto {
    color: var(--text-color);
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.sobre-destaque {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 3rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.sobre-destaque p {
    font-size: 1.4rem;
    line-height: 1.6;
    margin: 0;
}

.sobre-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.sobre-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.sobre-item:hover {
    transform: translateY(-5px);
}

.sobre-item i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.sobre-item h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.sobre-item p {
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
}

.sobre-valores {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.valor {
    padding: 2rem;
    background-color: var(--light-gray);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.valor:hover {
    transform: translateY(-5px);
}

.valor i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.valor h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.valor p {
    color: var(--text-color);
    line-height: 1.6;
    font-size: 1.1rem;
}

/* Serviços Section */
.servicos {
    padding: 5rem 5%;
    background-color: var(--light-gray);
}

.servicos h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.servico-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.servico-card:hover {
    transform: translateY(-5px);
}

.servico-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.servico-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.servico-card p {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.servico-exemplos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
}

.exemplo-box {
    background-color: var(--light-gray);
    padding: 1rem;
    border-radius: 5px;
    text-align: left;
}

.exemplo-box h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.exemplo-box ul {
    list-style: none;
    padding: 0;
}

.exemplo-box li {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.exemplo-box li::before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* Contato Section */
.contato {
    padding: 5rem 5%;
    background-color: var(--light-gray);
}

.contato h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.contato-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.contato-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.whatsapp-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: #25D366;
    color: var(--white);
    padding: 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.whatsapp-button:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
}

.whatsapp-button i {
    font-size: 1.5rem;
}

.contato-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contato-form input,
.contato-form textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contato-form textarea {
    height: 150px;
    resize: vertical;
}

.submit-button {
    padding: 1rem;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background-color: #2980b9;
}

.submit-button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
    opacity: 0.8;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 5% 1rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding: 1rem;
    background-color: var(--primary-color);
    color: var(--white);
}

/* Melhorias na Responsividade */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .sobre-content,
    .servicos-grid {
        padding: 0 1rem;
    }
}

@media (max-width: 1200px) {
    .servicos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

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

    .hero-content p {
        font-size: 1rem;
    }

    .sobre-content,
    .servicos-grid {
        padding: 0 1rem;
    }

    .servico-card {
        padding: 1.5rem;
    }

    .servico-card i {
        font-size: 2rem;
    }

    .servico-card h3 {
        font-size: 1.3rem;
    }

    .servico-card p {
        font-size: 1rem;
    }

    .sobre-destaque {
        padding: 1.5rem;
    }

    .sobre-destaque p {
        font-size: 1.2rem;
    }

    .sobre-item {
        padding: 1.5rem;
    }

    .sobre-item i {
        font-size: 2rem;
    }

    .sobre-item h3 {
        font-size: 1.3rem;
    }

    .servicos-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contato-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0;
    }

    .contato-info {
        order: 2;
    }

    .contato-form {
        order: 1;
    }

    .contato {
        padding: 3rem 1rem;
    }

    .contato h2 {
        margin-bottom: 2rem;
    }

    .whatsapp-button {
        margin: 1rem 0;
    }

    .contato-mensagem {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .cta-button,
    .submit-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .social-links {
        margin-bottom: 1rem;
    }

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

    .servico-card {
        padding: 1.5rem;
    }

    .servico-card i {
        font-size: 2rem;
    }

    .servico-card h3 {
        font-size: 1.3rem;
    }

    .servico-card p {
        font-size: 1rem;
    }

    .contato {
        padding: 2rem 1rem;
    }

    .contato-form input,
    .contato-form textarea,
    .contato-form select {
        padding: 0.8rem;
        font-size: 16px; /* Previne zoom em iOS */
    }

    .contato-form textarea {
        height: 120px;
    }

    .submit-button {
        padding: 0.8rem;
        font-size: 16px;
    }
}

/* Melhorias na Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Melhorias na Performance */
@media (max-width: 768px) {
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 6rem 1rem;
    }
}

/* Melhorias na Usabilidade */
@media (hover: hover) {
    .nav-links a:hover,
    .cta-button:hover,
    .submit-button:hover {
        opacity: 0.9;
    }

    .servico-card:hover {
        transform: translateY(-5px);
    }
}

@media (hover: none) {
    .servico-card:active {
        transform: translateY(-5px);
    }
}

/* Melhorias na Tipografia */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.5rem;
    }
}