:root {
  --bg-1: #0d1321;
  --bg-2: #1d2d44;
  --card: rgba(8, 13, 22, 0.72);
  --text: #f9fbff;
  --muted: #d4ddec;
  --accent: #34d399;
  --accent-hover: #2db982;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  min-height: 100svh;
  background:
    linear-gradient(rgba(13, 19, 33, 0.22), rgba(29, 45, 68, 0.30)),
    url("logo_legio_solo.png") center / min(186vmin, 1560px) no-repeat,
    radial-gradient(1000px 500px at 10% 10%, rgba(52, 211, 153, 0.12), transparent 65%),
    radial-gradient(900px 500px at 90% 90%, rgba(56, 189, 248, 0.10), transparent 65%),
    linear-gradient(140deg, var(--bg-1), var(--bg-2));
  display: grid;
  place-items: center;
  padding: 24px;
}

.landing {
  width: min(720px, 100%);
  text-align: center;
  padding: 40px 28px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 2.6vw + 1rem, 2.8rem);
  line-height: 1.15;
}

p {
  margin: 0 auto 28px;
  max-width: 38ch;
  color: var(--muted);
  font-size: clamp(1rem, 0.8vw + 0.8rem, 1.2rem);
  line-height: 1.5;
}

.cta {
  display: inline-block;
  text-decoration: none;
  color: #053321;
  background: var(--accent);
  font-weight: 700;
  padding: 14px 24px;
  border-radius: 12px;
  transition: background-color 140ms ease, transform 140ms ease;
}

.cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.cta:focus-visible {
  outline: 3px solid #9ff3cf;
  outline-offset: 2px;
}

@media (max-width: 560px) {
  .landing {
    padding: 30px 20px;
  }

  .cta {
    width: 100%;
  }
}