:root {
  --green: #1d443f;
  --cream: #f5f4ec;
}

* {
  box-sizing: border-box;
  margin: 0;
}

html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--green);
  background-image:
    radial-gradient(
      ellipse at center,
      var(--green) 25%,
      rgba(29, 68, 63, 0) 75%
    ),
    url("assets/bg-pattern.svg");
  background-size:
    auto,
    360px 360px;
  color: var(--cream);
  font-family: Montserrat, Poppins, "Helvetica Neue", Arial, sans-serif;
  text-align: center;
}

/* pattern is subtle: drawn at low opacity via overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--green);
  opacity: 0.88;
  z-index: -1;
}

main {
  padding: 2rem 1.5rem;
  max-width: 640px;
}

.logo {
  width: min(520px, 80vw);
  height: auto;
  margin-bottom: 2.5rem;
}

h1 {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid rgba(245, 244, 236, 0.35);
  display: inline-block;
}

p {
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  line-height: 1.6;
  opacity: 0.85;
}

footer {
  position: absolute;
  bottom: 1.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  opacity: 0.6;
}