body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    background: #0d1117;
    color: #e6edf3;
    margin: 0;
    padding: 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
}

.nav-link {
    color: #8b949e !important;
    font-size: 1rem;
    transition: color .2s;
}

.nav-link:hover {
    color: #58a6ff !important;
}

.hero {
    padding: 8rem 1rem 6rem;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.6rem;
    color: #8b949e;
    margin-bottom: 3rem;
}

.cta-btn {
    padding: .8rem 2.2rem;
    font-size: 1.1rem;
    border-radius: .5rem;
}

.features {
    padding: 4rem 1rem;
}

.feature-card {
    background: #161b22;
    border: none;
    border-radius: 1rem;
    padding: 2rem;
    text-align: left;
    transition: transform .2s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    color: #58a6ff;
    margin-bottom: 1rem;
}

.testimonial-section {
    background: #161b22;
    padding: 4rem 1rem;
}

.testimonial {
    font-style: italic;
    color: #8b949e;
    margin-bottom: 1rem;
}

footer {
    padding: 2rem 1rem;
    font-size: .9rem;
    color: #6e7681;
    text-align: center;
}