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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
}

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

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #2563eb;
}

main {
    margin-top: 4rem;
}

.hero {
    background: linear-gradient(135deg, #e0f2fe, #dbeafe);
    padding: 6rem 1rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    color: #1e40af;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    color: #475569;
    margin-bottom: 2rem;
}

.cta-button {
    background-color: #2563eb;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #1d4ed8;
}

.features {
    padding: 4rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    color: #1e40af;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 0 1rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: #1e40af;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #475569;
}

footer {
    background-color: #f8fafc;
    padding: 2rem 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: #64748b;
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #2563eb;
}

.footer-info {
    color: #64748b;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        gap: 1rem;
    }

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

    .hero p {
        font-size: 1rem;
    }
}