:root {
    --bg: #0b1220;
    --card: #131c2b;
    --border: #25344b;
    --txt: #eef3fb;
    --muted: #98a8bf;
    --accent: #5ea2ff;

    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

html {
    height: 100%;
    color-scheme: dark;
    background: var(--bg);
}

body {
    min-height: 100%;
    margin: 0;

    font-family: system-ui, sans-serif;

    background: linear-gradient(
        180deg,
        #09111d,
        #101827
    );

    color: var(--txt);

    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.wrap {
    max-width: 980px;
    margin: auto;
    padding: 40px 20px;
}

header {
    text-align: center;
    padding: 20px 0 40px;
}

h1 {
    margin: 0;
    font-size: 44px;
}

p {
    color: var(--muted);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 22px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
}

.btn {
    display: inline-block;
    padding: 11px 18px;

    border-radius: 10px;

    background: var(--accent);
    color: #fff;

    font-weight: 700;
    text-decoration: none;
}

footer {
    text-align: center;
    padding: 24px;
    color: var(--muted);
}

.list a {
    display: block;
    padding: 8px 0;

    color: #d8e6ff;
    text-decoration: none;

    border-bottom: 1px solid #223;
}