body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-image: radial-gradient(circle at center, rgba(0, 51, 102, 0.9), rgba(0, 0, 0, 0.9));
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    backdrop-filter: blur(10px);
}

.container {
    width: 90%;
    max-width: 1200px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 10px 20px;
    width: auto;
    position: sticky;
    top: 20px;
    background-image: radial-gradient(circle at center, rgba(0, 150, 255, 0.8), rgba(0, 0, 0, 0.2));
    z-index: 100;
    backdrop-filter: blur(100px);
    right: 20px;
    border-radius: 30px;
}

.logo {
    font-size: 2em;
    font-weight: bold;
    padding-left: 20px;
    display: none;
}

.nav-links {
    list-style: none;
    display: flex;
    padding: 0 20px;
    margin: 0;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #fff;
    padding: 5px 10px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 0;
    height: 100%;
    background-color: rgba(0, 123, 255, 0.5);
    transform: translateX(-50%);
    border-radius: 20px;
    transition: width 0.3s ease;
    z-index: -1;
}

.nav-links a:hover {
    color: #fff;
}

.nav-links a:hover::before {
    width: 100%;
}

main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 0;
    flex: 1;
    width: 100%;
}

.hero {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.hero-content {
    text-align: center;
}

.hero-content h1 {
    font-size: 3em;
    margin-bottom: 10px;
}

.hero-content p {
    font-size: 1.2em;
    margin-bottom: 20px;
}

.cta-button {
    display: inline-block;
    padding: 12px 25px;
    background-color: #0056b3;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1em;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #003366;
}

.services {
    width: 100%;
    text-align: center;
    margin-top: 0px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, #001f3f 100%);
    padding: 40px 0;
    backdrop-filter: blur(85px);
}

.services h2 {
    font-size: 2em;
    margin-bottom: 20px;
}

.services-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 20px;
}

.service-box {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    width: 300px;
    text-align: left;
    backdrop-filter: blur(85px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-box h3 {
    font-size: 1.3em;
    margin-bottom: 10px;
    position: relative;
    padding-bottom: 5px;
}

.service-box h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: #007bff;
    transition: width 0.3s ease;
}

.service-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.service-box:hover h3::after {
    width: 100%;
}

.service-box p {
    font-size: 1em;
    line-height: 1.4;
}

.about-us {
    width: 100%;
    background: url('https://www.casadaqualidade.com.br/wp-content/uploads/2018/11/fachada-1.png') no-repeat center center;
    background-size: cover;
    padding: 80px 0;
    color: #fff;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.about-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: -1;
    filter: blur(5px);
}

.about-us-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: left;
    position: relative;
}

.about-us-content h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.about-us-content p {
    font-size: 1.2em;
    line-height: 1.6;
}

.contact-us {
    width: 100%;
    padding: 40px 0;
    text-align: center;
    background-color: #01356d;
    color: #fff;
}

.contact-us h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #fff;
}

.contact-description {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.contact-options {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-card {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: 10px;
    width: 300px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.contact-card i {
    font-size: 2em;
    margin-bottom: 15px;
    color: #fff;
}

.contact-card h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
}

.contact-card p {
    font-size: 1.1em;
}

.hover-effect {
    position: relative;
    display: inline-block;
}

.hover-effect::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: #007bff;
    transition: width 0.3s ease;
}

.hover-effect:hover::before {
    width: 50%;
}