:root {
    color-scheme: dark;
    --background: #0d0818;
    --surface: #191126;
    --surface-soft: #21172f;
    --text: #f7f2ff;
    --muted: #bcb1cb;
    --accent: #d9c7ff;
    --border: rgba(255, 255, 255, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 5%, rgba(124, 88, 174, 0.24), transparent 36rem),
        var(--background);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.65;
}

a {
    color: var(--accent);
}

header,
main,
footer {
    width: min(760px, calc(100% - 40px));
    margin-inline: auto;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-block: 28px;
}

.brand {
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-decoration: none;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

nav a {
    color: var(--muted);
    font-size: 0.9rem;
    text-decoration: none;
}

main {
    padding-block: 48px 72px;
}

.hero {
    padding-block: 80px 96px;
    text-align: center;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

h1 {
    margin: 0 0 20px;
    font-size: clamp(2.4rem, 8vw, 4.6rem);
    letter-spacing: -0.04em;
}

h2 {
    margin-top: 48px;
    font-size: 1.55rem;
}

h3 {
    margin-top: 28px;
    font-size: 1.1rem;
}

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

.lede {
    max-width: 610px;
    margin: 0 auto;
    font-size: 1.2rem;
}

.card {
    margin-top: 28px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.045);
}

.button {
    display: inline-block;
    margin-top: 28px;
    padding: 12px 22px;
    border-radius: 999px;
    background: var(--text);
    color: var(--background);
    font-weight: 700;
    text-decoration: none;
}

.meta {
    color: var(--muted);
    font-size: 0.9rem;
}

footer {
    padding-block: 28px 40px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    header {
        align-items: flex-start;
        flex-direction: column;
    }

    main {
        padding-top: 24px;
    }

    .hero {
        padding-block: 56px 72px;
    }
}