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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #e0e0e0;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    color: #a78bfa;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    color: #94a3b8;
}

.hero {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    margin-bottom: 2rem;
}

.emoji-hero {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    color: #cbd5e1;
}

h2 {
    color: #a78bfa;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.75rem;
    padding: 1.25rem;
    text-align: center;
    border: 1px solid rgba(167, 139, 250, 0.15);
    transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
    transform: translateY(-2px);
    border-color: rgba(167, 139, 250, 0.4);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.feature-card h3 {
    color: #c4b5fd;
    margin-bottom: 0.4rem;
    font-size: 1rem;
}

.feature-card p {
    font-size: 0.85rem;
    color: #94a3b8;
}

.levels {
    margin-bottom: 2rem;
}

.level-list {
    list-style: none;
    counter-reset: level;
}

.level-list li {
    counter-increment: level;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0.5rem;
    border-left: 3px solid #a78bfa;
}

.level-list li::before {
    content: counter(level) ". ";
    color: #a78bfa;
    font-weight: bold;
}

.install {
    margin-bottom: 2rem;
}

.install p {
    margin-bottom: 0.75rem;
    color: #94a3b8;
}

pre {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 0.5rem;
    padding: 1rem;
    overflow-x: auto;
}

code {
    color: #a78bfa;
    font-family: "Fira Code", "Courier New", monospace;
    font-size: 0.9rem;
}

footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #64748b;
}

footer a {
    color: #a78bfa;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}