:root {
    --primary: #0a192f;
    --secondary: #172a45;
    --accent: #64ffda;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
}

html {
    scroll-behavior: smooth;
}

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

body {
    background-color: var(--primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
nav {
    background-color: var(--secondary);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent);
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--accent);
    color: var(--primary);
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    cursor: pointer;
}

.btn:hover {
    background-color: transparent;
    color: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2rem;
    color: var(--accent);
}

/* Footer */
footer {
    background-color: var(--secondary);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 30px;
}

.footer-column {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
}

.footer-column h3 {
    color: var(--accent);
    margin-bottom: 20px;
}

.footer-column p, .footer-column a {
    color: var(--text-secondary);
    margin-bottom: 10px;
    display: block;
    text-decoration: none;
    width: fit-content;
}

.footer-column a:hover {
    color: var(--accent);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--text-secondary);
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 20px;
    }
    
    .nav-links {
        width: 100%;
        justify-content: space-around;
    }
    
    .nav-links li {
        margin: 0;
    }
    
    .footer-content {
        flex-direction: column;
    }
}