:root {
    --primary: #4f46e5;
    --bg: #ffffff;
    --card-bg: #f9fafb;
    --text: #111827;
    --text-dim: #4b5563;
    --border: #e5e7eb;
}

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

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

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

nav {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 1px;
}

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

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
}

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

.hero {
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

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

.btn-secondary {
    background: white;
    color: var(--text);
    border: 1px solid var(--border);
}

.features {
    padding: 5rem 0;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.feature-icon {
    color: var(--primary);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

.performance {
    padding: 5rem 0;
    border-top: 1px solid var(--border);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.stat-value {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--text);
}

.stat-label {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.chart-bar-container {
    margin-bottom: 1.5rem;
}

.chart-label {
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.chart-bar {
    height: 8px;
    background: var(--text);
    border-radius: 4px;
}

footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .feature-grid, .grid-2 {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2.25rem;
    }
}