:root {
    --bg-color: #f4f6f8;
    --card-bg: #ffffff;
    --text-color: #333333;
    --text-muted: #666666;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background-color: var(--card-bg);
    padding: 50px 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    max-width: 550px;
    width: 100%;
    text-align: center;
}

header {
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.2rem;
    color: #111827;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.content p {
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 15px;
    color: #4b5563;
}

.contact {
    margin: 35px 0;
}

.button {
    display: inline-block;
    background-color: var(--accent-color);
    color: #ffffff;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 1.05rem;
    font-weight: 600;
    transition: background-color 0.2s ease-in-out;
}

.button:hover {
    background-color: var(--accent-hover);
}

footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
}

footer p {
    font-size: 0.85rem;
    color: #9ca3af;
}