:root {
  --bg: #0b0c10;
  --fg: #f7f7f7;
  --accent: #0a66c2; /* LinkedIn-sininen */
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100svh;
  display: grid;
  place-items: center;
  background: radial-gradient(1200px 600px at 50% 30%, #12141a, var(--bg));
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

main {
  text-align: center;
  padding: 4rem 1.5rem;
}

h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
  margin: 0 0 1rem;
}

p.lead {
  opacity: .8;
  margin: 0 0 2rem;
}

a.button {
  display: inline-block;
  padding: .9rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 20px rgb(10 102 194 / 30%);
  transition: transform .08s ease, box-shadow .2s ease, background .2s ease;
}

a.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgb(10 102 194 / 35%);
}

a.button:active {
  transform: translateY(1px);
}

footer {
  position: fixed;
  inset: auto 0 1rem;
  display: flex;
  justify-content: center;
  gap: .5rem;
  opacity: .6;
  font-size: .9rem;
}