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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fafafa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: #d32f2f;
    color: white;
    padding: 1rem 2rem;
}

nav {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

main {
    flex: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.hero {
    text-align: center;
    padding: 3rem 0;
}

.hero h1 {
    font-size: 3rem;
    color: #d32f2f;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.3rem;
    color: #555;
    margin-bottom: 0.5rem;
}

.tagline {
    color: #777;
    margin-bottom: 2rem;
}

.download-btn {
    display: inline-block;
    background: #d32f2f;
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
}

.download-btn:hover {
    background: #b71c1c;
}

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.feature h2 {
    color: #d32f2f;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.feature p {
    color: #555;
    font-size: 0.95rem;
}

.info {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin: 2rem 0;
}

.info h2 {
    color: #d32f2f;
    margin-bottom: 1rem;
}

.info p {
    margin-bottom: 0.5rem;
    color: #555;
}

.legal h1 {
    color: #d32f2f;
    margin-bottom: 0.3rem;
}

.legal .effective {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.legal h2 {
    color: #333;
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.legal p {
    color: #555;
    margin-bottom: 0.8rem;
}

.legal ul {
    margin-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: #555;
}

.legal li {
    margin-bottom: 0.3rem;
}

.legal a {
    color: #d32f2f;
}

footer {
    background: #333;
    color: #aaa;
    text-align: center;
    padding: 1.5rem;
    font-size: 0.9rem;
}

footer a {
    color: #d32f2f;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

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