:root {
    --bg: #121212;
    --card: #1e1e1e;
    --text: #f2f2f2;
    --muted: #c9c9c9;
    --accent: #d62828;
    --border: #333;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Open Sans", Arial, sans-serif;
    background: linear-gradient(140deg, #0f0f0f, #222);
    color: var(--text);
    line-height: 1.7;
}

.container {
    max-width: 900px;
    margin: 48px auto;
    padding: 24px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 36px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

h1 {
    margin: 0 0 8px;
    font-size: 2rem;
    color: #fff;
}

.subtitle {
    margin: 0 0 26px;
    color: var(--muted);
    font-size: 1rem;
}

h2 {
    font-size: 1.25rem;
    margin: 30px 0 12px;
    padding-left: 12px;
    border-left: 4px solid var(--accent);
}

p {
    margin: 0 0 14px;
    color: var(--muted);
}

ul {
    margin: 0 0 16px 20px;
    padding: 0;
}

li {
    margin-bottom: 8px;
    color: var(--muted);
}

a {
    color: #ff8d8d;
}

.contact {
    background: rgba(214, 40, 40, 0.08);
    border: 1px solid rgba(214, 40, 40, 0.35);
    border-radius: 10px;
    padding: 16px;
    margin-top: 8px;
}

@media (max-width: 640px) {
    .container {
        margin: 20px auto;
        padding: 14px;
    }

    .card {
        padding: 22px;
    }

    h1 {
        font-size: 1.6rem;
    }
}