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

body {
    line-height: 1.6;
    color: #333;
}

header {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://static.cryptobriefing.com/wp-content/uploads/2024/02/15093950/Tron-unveils-development-roadmap-for-Bitcoin-layer-2-solution.webp') no-repeat center center/cover;
    height: 100vh;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

header .container {
    max-width: 1200px;
    padding: 0 20px;
    width: 100%;
}

nav {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
}

nav .logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

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

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

nav .nav-links a {
    text-decoration: none;
    color: white;
    font-size: 1rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.cta {
    background: #ff6600;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.2rem;
}

.features-section, .download-section, .contact-section {
    padding: 60px 20px;
    background-color: #f4f4f4;
    text-align: center;
}

.features-section .container, .download-section .container, .contact-section .container {
    max-width: 1200px;
    margin: 0 auto;
}

.features-section h2, .download-section h2, .contact-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.features-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.feature {
    flex: 1 1 45%;
    margin: 10px;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

.download-section .download-btn {
    background: #ff6600;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.2rem;
}

.contact-section form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-section input, .contact-section textarea {
    width: 80%;
    margin: 10px 0;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.contact-section button {
    background: #ff6600;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1.2rem;
    cursor: pointer;
}

footer {
    padding: 20px;
    background-color: #333;
    color: white;
    text-align: center;
}

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