:root {
    --bg: #0f1115;
    --panel: #171a21;
    --text: #f2f2f2;
    --muted: #b0b0b0;
    --border: #2e3440;
    --accent: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);

    font-family:
        Georgia,
        "Times New Roman",
        serif;

    line-height: 1.7;
}

.hero {
    text-align: center;
    padding: 5rem 1rem 4rem;
}

.logo {
    max-width: 260px;
    width: 100%;
    height: auto;
    margin-bottom: 2rem;
}

h1 {
    margin: 0;

    font-weight: normal;
    font-size: 3rem;

    letter-spacing: 0.08em;
}

.subtitle {
    margin-top: 1rem;

    color: var(--muted);

    font-size: 1.25rem;
}

main {
    max-width: 900px;

    margin: 0 auto;

    padding:
        0 1.5rem
        4rem 1.5rem;
}

section {
    margin-bottom: 4rem;
}

h2 {
    margin-bottom: 1.5rem;

    font-weight: normal;

    border-bottom: 1px solid var(--border);

    padding-bottom: 0.5rem;
}

h3 {
    margin-top: 0;

    font-weight: normal;
}

.cards {
    display: grid;

    grid-template-columns:
        repeat(
            auto-fit,
            minmax(220px, 1fr)
        );

    gap: 1.5rem;
}

.card {
    background: var(--panel);

    border: 1px solid var(--border);

    padding: 1.5rem;
}

.card p:last-child {
    margin-bottom: 0;
}

a {
    color: white;
}

a:hover {
    opacity: 0.8;
}

footer {
    text-align: center;

    padding: 2rem;

    border-top: 1px solid var(--border);
}

footer a {
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {

    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .logo-placeholder {
        width: 160px;
        height: 160px;
        font-size: 1rem;
    }
}