:root {
  color-scheme: light;
  --color-background: #f7fbff;
  --color-text: #061b35;
  --color-accent: #169cf0;
  --shadow-soft: 0 24px 80px rgba(6, 27, 53, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background:
    radial-gradient(circle at 50% 8%, rgba(22, 156, 240, 0.16), transparent 32rem),
    var(--color-background);
  color: var(--color-text);
  font-family: Arial, Helvetica, sans-serif;
}

.site-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.site-header {
  display: flex;
  justify-content: center;
}

.site-logo {
  width: min(340px, 70vw);
  height: auto;
  filter: drop-shadow(var(--shadow-soft));
}

.hero {
  display: grid;
  place-items: center;
  min-height: 55vh;
  text-align: center;
}

.hero h1 {
  margin: 0;
  color: var(--color-text);
  font-size: clamp(3rem, 10vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  text-transform: uppercase;
}

.hero h1::after {
  display: block;
  width: min(12rem, 45vw);
  height: 0.35rem;
  margin: 1.25rem auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  content: "";
}