:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07111f;
  color: #f7fafc;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  background:
    radial-gradient(circle at 18% 18%, rgb(37 99 235 / 24%), transparent 36rem),
    linear-gradient(145deg, #07111f 0%, #0c1b31 100%);
}

main {
  display: grid;
  place-items: center;
  padding: 3rem 1.5rem;
}

.hero {
  width: min(100%, 52rem);
  text-align: center;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 6vw, 5rem);
  border: 1px solid rgb(255 255 255 / 12%);
  border-radius: 2rem;
  background: rgb(10 27 49 / 74%);
  box-shadow: 0 2rem 6rem rgb(0 0 0 / 32%);
  backdrop-filter: blur(18px);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 4.5rem;
  height: 4.5rem;
  margin: 0 auto 2rem;
  border-radius: 1.25rem;
  background: #2563eb;
  box-shadow: 0 1rem 2.5rem rgb(37 99 235 / 35%);
  font-size: 2.2rem;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: #93c5fd;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(3.25rem, 10vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.intro {
  margin: 1.5rem 0 0;
  color: #cbd5e1;
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
}

footer {
  padding: 1.5rem;
  color: #94a3b8;
  text-align: center;
  font-size: 0.875rem;
}