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

:root {
  --bg: #07111f;
  --panel: rgba(12, 27, 48, 0.82);
  --text: #f5f9ff;
  --muted: #a9bad0;
  --accent: #63b3ff;
  --accent-2: #9b7cff;
  --border: rgba(132, 190, 255, 0.2);
}

body {
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

.background {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 20%, rgba(50, 145, 255, 0.25), transparent 30%),
    radial-gradient(circle at 80% 75%, rgba(143, 90, 255, 0.22), transparent 32%),
    linear-gradient(145deg, #06101c 0%, #0a1930 50%, #080e1b 100%);
}

.background::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent);
}

.hero {
  width: min(900px, calc(100% - 32px));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 110px 0 70px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(99, 179, 255, 0.08);
  color: #bfe2ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
}

h1 {
  margin-top: 22px;
  font-size: clamp(48px, 10vw, 92px);
  line-height: .95;
  letter-spacing: -0.055em;
}

h1 span {
  background: linear-gradient(100deg, var(--accent), #c9b8ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  max-width: 620px;
  margin-top: 24px;
  color: var(--muted);
  font-size: clamp(16px, 2.5vw, 20px);
  line-height: 1.6;
}

.card {
  width: min(540px, 100%);
  margin-top: 42px;
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: 0 25px 80px rgba(0, 0, 0, .35);
}

.icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-size: 24px;
  box-shadow: 0 10px 35px rgba(85, 155, 255, .25);
}

.card h2 {
  font-size: 25px;
}

.card p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.5;
}

.download-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
  padding: 17px 22px;
  border-radius: 14px;
  color: #06101c;
  background: linear-gradient(100deg, #7bc5ff, #b9a5ff);
  text-decoration: none;
  font-weight: 850;
  transition: transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 12px 35px rgba(89, 151, 255, .25);
}

.download-button span {
  font-size: 23px;
  line-height: 0;
}

.download-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 45px rgba(89, 151, 255, .4);
}

.version {
  font-size: 13px;
}

.github-link {
  margin-top: 28px;
  color: #c6d9ee;
  text-decoration: none;
  font-weight: 700;
}

.github-link:hover {
  color: white;
}

footer {
  height: 72px;
  display: grid;
  place-items: center;
  border-top: 1px solid rgba(255,255,255,.06);
  color: #71859d;
  font-size: 13px;
}

@media (max-width: 600px) {
  .hero {
    padding-top: 75px;
  }

  .card {
    padding: 28px 20px;
  }
}