:root {
    --primary-color: #0d6efd;
    --sidebar-bg: #343a40;
    --sidebar-hover: #495057;
    --text-light: #f8f9fa;
    --header-bg: #ffffff;
    --card-border: #dee2e6;
}

body {
    background: #f4f7fa;
    color: #333;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.navbar {
    background-color: var(--sidebar-bg);
    padding: 1rem;
}

.navbar-brand {
    color: var(--text-light) !important;
    font-weight: 600;
    display: flex;
    align-items: center;
}

    .navbar-brand i {
        font-size: 1.5rem;
        margin-right: 0.5rem;
    }

.hero-section {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    color: white;
    padding: 3rem 1rem;
    text-align: center;
}

    .hero-section h1 {
        font-size: 2rem;
        font-weight: 700;
        margin-bottom: 1rem;
    }

.feature-card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}

    .feature-card:hover {
        transform: translateY(-3px);
    }

.feature-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.btn-cta {
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    display: inline-block;
    margin: 0.5rem;
    text-decoration: none;
    transition: all 0.3s;
}

    .btn-cta:hover {
        background: #0a58ca;
        color: white;
        transform: translateY(-2px);
    }

.screenshot {
    max-width: 100%;
    border-radius: 10px;
    margin: 1rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.testimonial {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1rem 0;
}

.footer {
    background: var(--sidebar-bg);
    color: var(--text-light);
    padding: 2rem 1rem;
    margin-top: 3rem;
}

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

        .footer a:hover {
            color: #ffffff;
        }