:root {
    color-scheme: dark;
    --background: #0f172a;
    --surface: #1e293b;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --accent: #38bdf8;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
    background: radial-gradient(circle at top, #1e293b 0%, var(--background) 55%);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
}

main {
    width: min(40rem, 100%);
    padding: 2.5rem;
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 1rem;
    background: rgba(30, 41, 59, 0.75);
    box-shadow: 0 24px 80px rgba(2, 6, 23, 0.45);
}

h1 {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 6vw, 3.25rem);
    line-height: 1.1;
}

p {
    margin: 0 0 1rem;
    color: var(--muted);
}

.eyebrow {
    margin-bottom: 0.75rem;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

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