:root {
  --navy: #0b2d52;
  --deep-blue: #154c86;
  --accent: #2f7de1;
  --ink: #e8eef6;
  --muted: #8fa3bb;
  --white: #ffffff;
  --font-heading: "Space Grotesk", -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: Inter, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--navy);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.glow {
  position: fixed;
  inset: -20% auto auto 50%;
  width: min(72rem, 140vw);
  height: 42rem;
  transform: translateX(-50%);
  background: radial-gradient(
    ellipse at center,
    rgba(47, 125, 225, 0.28) 0%,
    rgba(21, 76, 134, 0.12) 42%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.top,
.hero {
  position: relative;
  z-index: 1;
}

.top {
  padding: 1.5rem 1.75rem;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.mark-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(47, 125, 225, 0.18);
}

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 1.75rem 4rem;
  max-width: 44rem;
  margin: 0 auto;
  width: 100%;
  text-align: center;
}

h1 {
  margin: 0;
  color: var(--white);
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

@media (min-width: 720px) {
  .top {
    padding: 2rem 2.5rem;
  }

  .hero {
    padding: 2rem 2.5rem 5rem;
  }
}