:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #9b59b6;
    --background-color: #f8f9fa;
    --text-color: #333;
    --gradient-start: #3498db;
    --gradient-end: #9b59b6;
}

html, body {
    height: 100%;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    color: var(--text-color);
    background-color: var(--background-color);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

.footer {
    margin-top: auto;
    background-color: #2c3e50;
    color: #fff;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.footer-column {
    flex: 1;
    min-width: 200px;
    margin-bottom: 1rem;
}

.footer-column h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--primary-color);
}

.copyright {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.header {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
}

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

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

.nav-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

.hero {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    position: relative;
    display: inline-block;
}

.section-title h2:after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    bottom: -10px;
    left: 25%;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 30px;
}

.feature-card h3 {
    margin-bottom: 15px;
}

.footer {
    background: #333;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-column h3 {
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    bottom: -10px;
    left: 0;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s, transform 0.5s;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

.web3-connect {
    background: linear-gradient(135deg, #ff416c, #ff4b2b);
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    margin-top: 20px;
}

.web3-connect:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.web3-section {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(155, 89, 182, 0.1));
    border-radius: 10px;
    padding: 40px;
    margin-top: 50px;
}

.web3-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.web3-feature {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .section-title h2 {
        font-size: 30px;
    }
}