:root {
    --bg-color: #fcfcfc;
    --text-primary: #111;
    --text-secondary: #555;
    --accent: #2563eb;
    --border: #e2e8f0;
    --code-bg: #fff;
    --gray-soft: #f4f4f5;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.main-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Nav */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6rem;
}

.nav-brand {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    flex: 1;
    text-align: center;
}

.title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.highlight {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    font-weight: 400;
    line-height: 1.7;
}

/* Install Box */
.install-container {
    max-width: 600px;
    margin: 0 auto 6rem;
    text-align: left;
}

.install-header {
    display: flex;
    margin-bottom: 0.5rem;
}

.active-tab {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--text-primary);
    padding-bottom: 0.25rem;
}

.code-box {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.2s;
}

.code-box:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.code-box code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    background: var(--gray-soft);
    color: var(--text-primary);
}

.compatibility-note {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    text-align: left;
    border-top: 1px solid var(--border);
    padding-top: 4rem;
}

.feature-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: block;
}

/* Footer */
.footer {
    margin-top: 6rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .title {
        font-size: 3rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .install-container {
        padding: 0 1rem;
    }
}
.author-credit {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.author-credit a {
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px dotted var(--text-secondary);
    transition: color 0.2s;
}

.author-credit a:hover {
    color: var(--accent);
    border-color: var(--accent);
}