:root {
    --primary-color: #f39c12; /* Laranja Construção */
    --dark-bg: #2c3e50;
    --light-bg: #ecf0f1;
    --text-color: #333;
    --white: #fff;
}

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

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

h1, h2, h3 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top Bar */
.top-bar {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.9rem;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info span {
    margin-right: 20px;
}

.social-icons a {
    color: var(--white);
    margin-left: 15px;
    transition: color 0.3s;
}

.social-icons a:hover {
    color: var(--primary-color);
}

/* Nav */
.main-nav {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Oswald', sans-serif;
    color: var(--dark-bg);
}

.logo .highlight {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-bg);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.btn-quote {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 4px;
}

.btn-quote:hover {
    background-color: #e67e22;
}

/* Hero */
.hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') center/cover;
    height: 600px;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

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

.btn-hero {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 40px;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: background 0.3s;
}

.btn-hero:hover {
    background-color: #e67e22;
}

/* Services */
.services {
    padding: 80px 0;
    background-color: var(--light-bg);
    text-align: center;
}

.services h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--dark-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 20px;
    border-bottom: 4px solid var(--primary-color);
    transition: transform 0.3s;
}

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

.service-card i {
    font-size: 3rem;
    color: var(--dark-bg);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--dark-bg);
}

/* Projects */
.projects {
    padding: 80px 0;
}

.projects h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--dark-bg);
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.project-item {
    position: relative;
    height: 250px;
    overflow: hidden;
    cursor: pointer;
}

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.project-item:hover img {
    transform: scale(1.1);
}

.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--white);
    padding: 20px;
    transform: translateY(100px);
    transition: transform 0.3s;
}

.project-item:hover .overlay {
    transform: translateY(0);
}

/* CTA Strip */
.cta-strip {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.cta-strip h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.cta-strip p {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.btn-white {
    display: inline-block;
    background-color: var(--white);
    color: var(--primary-color);
    padding: 15px 40px;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 700;
    border-radius: 4px;
    transition: background 0.3s;
}

.btn-white:hover {
    background-color: var(--dark-bg);
    color: var(--white);
}

/* Footer */
.footer {
    background-color: #222;
    color: #999;
    padding: 40px 0;
    text-align: center;
}

.footer-logo {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 20px 0;
    }

    .nav-links {
        flex-direction: column;
        gap: 15px;
        margin-top: 20px;
    }

    .nav-links li {
        margin-left: 0;
    }

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