:root {
  color-scheme: light;
  --qrtr-navy: #1c2541;
  --qrtr-mint: #6fffe9;
  --qrtr-ink: #3e465e;
  --qrtr-slate: #7b8ea5;
  --qrtr-surface: #ffffff;
  --qrtr-line: #e2e8f0;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--qrtr-surface);
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: "Nunito Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--qrtr-ink);
  background:
    radial-gradient(circle at 80% 12%, rgba(111, 255, 233, 0.22), transparent 28rem),
    linear-gradient(135deg, #ffffff 0%, #eef1f6 100%);
}

.page-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: clamp(24px, 6vw, 72px);
}

.hero {
  width: min(100%, 980px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(56px, 12vh, 132px);
  color: var(--qrtr-navy);
  font-family: "Inter Tight", "Nunito Sans", system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.brand img {
  display: block;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--qrtr-slate);
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  color: var(--qrtr-navy);
  font-family: "Inter Tight", "Nunito Sans", system-ui, sans-serif;
  font-size: clamp(3.5rem, 12vw, 9.5rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.9;
}

@media (max-width: 640px) {
  .page-shell {
    align-items: start;
  }

  .brand {
    margin-bottom: 96px;
  }

  h1 {
    font-size: clamp(3.2rem, 18vw, 5rem);
    line-height: 0.94;
  }
}