:root {
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #09111f;
    color: #eef4ff;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 20%, rgba(58, 134, 255, .22), transparent 32rem),
        radial-gradient(circle at 85% 85%, rgba(255, 0, 110, .16), transparent 28rem),
        #09111f;
}

.shell {
    width: min(800px, calc(100% - 2rem));
    min-height: 100vh;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
}

.hero {
    text-align: center;
}

.eyebrow {
    margin: 0 0 1rem;
    color: #89b4ff;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(3.8rem, 9vw, 7rem);
    line-height: .92;
    letter-spacing: -.07em;
}

.lede {
    max-width: 38rem;
    margin: 2rem auto 0;
    color: #b8c7dc;
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.6;
}

@media (max-width: 760px) {
    h1 { font-size: clamp(3.5rem, 20vw, 6rem); }
}