:root {
    --bg-color: #f7f9fc;
    --text-color: #333333;
    --accent-color: #5a7d9a;
    --footer-bg: #eef2f6;
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

header {
    margin-bottom: 2.5rem;
}

h1 {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.subtitle {
    font-size: 1.1rem;
    color: #666;
    letter-spacing: 0.05em;
}

main {
    background: #ffffff;
    padding: 3rem 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    max-width: 600px;
    width: 100%;
    transition: transform 0.3s ease;
}

main:hover {
    transform: translateY(-5px);
}

main p {
    font-size: 1.2rem;
    color: #444;
}

footer {
    background-color: var(--footer-bg);
    text-align: center;
    padding: 1.5rem;
    font-size: 0.9rem;
    color: #888;
    width: 100%;
}

@media (max-width: 600px) {
    h1 { font-size: 2rem; }
    main { padding: 2rem 1.5rem; }
}