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

:root {
    --bg: #0a0a0a;
    --surface: #141414;
    --border: #2a2a2a;
    --text: #fafafa;
    --text-muted: #888;
    --accent: #25D366;
    --accent-dim: #1da851;
}

body {
    font-family: "SF Mono", "Fira Code", "JetBrains Mono", monospace;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

main {
    max-width: 680px;
    margin: 0 auto;
    padding: 80px 24px;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 80px;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 20px;
    margin-bottom: 24px;
}

h1 {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.4rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 460px;
    margin: 0 auto 32px;
    line-height: 1.8;
}

.cta {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn.primary {
    background: var(--accent);
    color: var(--bg);
}

.btn.primary:hover {
    background: var(--accent-dim);
    transform: translateY(-2px);
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 80px;
}

.feature {
    padding: 28px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-align: center;
}

.feature .icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 12px;
}

.feature h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Tools */
.tools {
    margin-bottom: 80px;
}

.tools h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-muted);
}

.tools ul {
    list-style: none;
}

.tools li {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.tools li:last-child {
    border-bottom: none;
}

.tools code {
    background: var(--surface);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--accent);
    margin-right: 8px;
}

/* Footer */
footer {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

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

/* Responsive */
@media (max-width: 600px) {
    main {
        padding: 48px 20px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}