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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

header {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

section h2 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

section p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

ul {
    margin-left: 2rem;
    list-style-position: inside;
}

ul li {
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

footer {
    text-align: center;
    color: white;
    padding: 2rem;
    margin-top: 3rem;
}

footer p {
    opacity: 0.8;
}