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

body {
    background-image: linear-gradient(to right, #B22234, #FFFFFF, #0033A0);
    height: 100vh;
    /* Faz com que o gradiente ocupe toda a altura da tela */
    margin: 0;
}

header {
    background-color: #2c3e50;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

header .logo {
    position: absolute;
    left: 20px;
}

header .logo img {
    width: 150px;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    padding: 10px 20px;
    background-color: #34495e;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

nav a:hover,
nav a:focus {
    background-color: #1abc9c;
    transform: translateY(-2px);
    outline: none;
}

#hero {
    background-color: #27ae60;
    color: white;
    text-align: center;
    padding: 100px 20px;
}

#hero h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

.hero-img {
    display: block;
    margin: 30px auto;
    max-width: 100%;
    height: 800px;
    object-fit: cover;
}

.image-marquee {
    width: 100%;
    overflow: hidden;
    margin-top: 20px;
}

.marquee-content {
    display: flex;
    animation: marquee 20s linear infinite;
}

.marquee-image {
    width: 150px;
    height: 100px;
    margin-right: 20px;
    object-fit: cover;
    border-radius: 10px;
}

@keyframes marquee {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

#about,
#features,
#roadmap {
    padding: 50px 20px;
    text-align: center;
}

#about img,
#features img,
#roadmap img {
    display: block;
    margin: 30px auto;
    max-width: 80%;
    height: auto;
    object-fit: cover;
    border-radius: 10px;
}

ul {
    list-style: none;
    padding: 0;
}

ul li {
    margin: 10px 0;
}

footer {
    background-color: #0033A0;
    color: white;
    text-align: center;
    padding: 20px;
}

footer .social-media a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}

footer p {
    margin-top: 10px;
    font-size: 14px;
}


/* Responsividade */

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: center;
    }
    nav ul {
        flex-direction: column;
        gap: 10px;
    }
    #hero h1 {
        font-size: 36px;
    }
    .hero-img {
        height: auto;
        width: 80%;
    }
    #about,
    #features,
    #roadmap {
        padding: 30px 10px;
    }
    footer .social-media a {
        display: block;
        margin: 10px 0;
    }
}

@media (max-width: 480px) {
    nav a {
        font-size: 14px;
        padding: 18px 16px;
    }
    .hero-img {
        height: auto;
        width: 100%;
    }
    #hero h1 {
        font-size: 28px;
    }
}

#smart-contract {
    background-color: #3210f3;
    color: white;
    text-align: center;
    padding: 50px 20px;
    margin-top: 40px;
}

#smart-contract h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

#smart-contract .contract-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

#smart-contract input {
    font-size: 16px;
    padding: 10px;
    width: 400px;
    border: none;
    border-radius: 5px;
    color: #333;
}

#smart-contract button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #1abc9c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#smart-contract button:hover {
    background-color: #16a085;
}

#hero {
    background: url('topo7.jpg') no-repeat center center;
    /* Substitua 'sua-imagem.jpg' pelo caminho da sua imagem */
    background-size: cover;
    /* Faz a imagem cobrir todo o fundo */
    color: rgb(69, 238, 35);
    text-align: center;
    padding: 140px 20px;
}