:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #22d3ee;
    --bg: #0f172a;
    --bg-light: #1e293b;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --radius: 12px;
}

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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero {
    text-align: center;
    padding: 100px 24px 80px;
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-light) 100%);
}

.logo-mark {
    width: 88px;
    height: 88px;
    margin: 0 auto 24px;
    border-radius: 50%;
    border: 3px solid currentColor;
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.08em;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.5rem;
    color: var(--secondary);
    font-weight: 500;
    margin-bottom: 16px;
}

.description {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

.features,
.usage {
    padding: 80px 0;
}

.install,
.tech-stack {
    padding: 80px 0;
    background: var(--bg-light);
}

.features h2,
.install h2,
.usage h2,
.tech-stack h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
}

.feature-grid,
.install-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature,
.install-method {
    background: var(--bg-light);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.install .feature,
.install .install-method,
.tech-stack .feature,
.tech-stack .install-method {
    background: var(--bg);
}

.feature:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature h3,
.install-method h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature p,
.install-method p {
    color: var(--text-muted);
}

.feature code,
.step code {
    background: rgba(148, 163, 184, 0.15);
    padding: 2px 6px;
    border-radius: 6px;
    color: var(--secondary);
}

.code-block {
    background: #000;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
}

.code-block code {
    font-family: "Fira Code", Consolas, monospace;
    font-size: 0.85rem;
    color: var(--text);
    white-space: pre;
    line-height: 1.8;
}

.workflow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 220px;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 16px;
}

.step p {
    color: var(--text-muted);
}

.step-arrow {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.stack-list {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.stack-item {
    padding: 12px 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s ease;
}

.stack-item:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

footer {
    padding: 48px 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

footer p {
    color: var(--text-muted);
    margin-bottom: 8px;
}

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

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-top: 24px;
}

.footer-links a {
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--text);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.25rem;
    }

    .install-methods {
        grid-template-columns: 1fr;
    }

    .workflow {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }
}