* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}

body {
    background: #f2f2f2;
    color: #333;
}

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

.topo {
    background: #0a2a43;
    padding: 20px 0;
}

.topo-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    width: 120px;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 25px;
    font-weight: 500;
}

nav a:hover {
    color: #f0c040;
}

.hero {
    background: linear-gradient(
        rgba(10,42,67,0.85),
        rgba(10,42,67,0.85)
    ), url("img/obra1.jpg") center/cover no-repeat;
    height: 40vh;
    display: flex;
    align-items: center;
}

.hero-text {
    color: #fff;
    max-width: 600px;
    margin-left: 10%;
}

.hero h1 {
    font-size: 40px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 18px;
}

.section {
    padding: 70px 0;
    background: #fff;
}

.section.dark {
    background: #0a2a43;
    color: #fff;
}

.section h2 {
    margin-bottom: 30px;
    font-size: 32px;
}

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

.card {
    background: #fff;
    color: #333;
    padding: 30px;
    border-radius: 8px;
}

.section.dark .card {
    background: #113a5c;
    color: #fff;
}

.card h3 {
    margin-bottom: 10px;
}

.galeria {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
}

.galeria img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    border-radius: 6px;
    transition: transform 0.3s;
}

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

.contato p {
    margin-bottom: 10px;
    font-size: 16px;
}

footer {
    background: #0a2a43;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

.contato {
    background: linear-gradient(135deg, #0a2a43, #113a5c);
    color: #fff;
    text-align: center;
}

.contato-box {
    max-width: 600px;
}

.contato p {
    margin-bottom: 20px;
    font-size: 17px;
}

.btn-whats {
    display: inline-block;
    background: #25d366;
    color: #fff;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    transition: 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.btn-whats:hover {
    background: #1ebe5d;
    transform: translateY(-3px);
}

.contato-info {
    margin-top: 30px;
    font-size: 15px;
    opacity: 0.9;
}

#sobre p {
    text-align: justify;
    line-height: 1.1;
    margin-bottom: 18px;
    font-size: 16px;
}

#sobre {
    padding-top: 90px;
    padding-bottom: 90px;
}