:root {
    --primary-color: #00ff88;
    --secondary-color: #00aaff;
    --bg-color: #0a0a0c;
    --text-color: #e0e0e0;
    --accent-color: #ff3366;
    --card-bg: #16161a;
    --header-bg: rgba(10, 10, 12, 0.9);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

main {
    padding-top: 80px;
}

section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.hero {
    height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle at center, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    color: #a0a0a0;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary-color);
    color: var(--bg-color);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 700;
    margin-top: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 255, 136, 0.2);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color 0.3s;
}

.card:hover {
    border-color: var(--primary-color);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.roadmap {
    position: relative;
    max-width: 800px;
    margin: 4rem auto;
}

.roadmap-item {
    padding: 2rem;
    border-left: 2px solid var(--primary-color);
    position: relative;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.02);
}

.roadmap-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 2rem;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
}

.roadmap-date {
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

footer {
    text-align: center;
    padding: 4rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #666;
    font-size: 0.8rem;
}

.code-block {
    background: #000;
    padding: 1.5rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
    margin: 1rem 0;
    border-left: 3px solid var(--secondary-color);
}

.tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary-color);
    border-radius: 4px;
    font-size: 0.75rem;
    margin-right: 0.5rem;
    font-weight: 600;
}

/* Demo Specific Styles */
#simulation-canvas {
    width: 100%;
    height: 400px;
    background: #000;
    border-radius: 8px;
    margin-top: 2rem;
}

.controls {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}