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

body {
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: #f8fafc;
  background:
    radial-gradient(circle at 50% 25%, rgba(56, 189, 248, 0.18), transparent 32%),
    radial-gradient(circle at 80% 70%, rgba(29, 78, 216, 0.18), transparent 35%),
    linear-gradient(135deg, #050816 0%, #0a2342 52%, #020617 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero {
  width: min(920px, 92%);
  text-align: center;
  padding: 72px 24px;
}

.badge {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 999px;
  color: #7dd3fc;
  font-size: 12px;
  letter-spacing: 0.18em;
  margin-bottom: 34px;
  background: rgba(15, 23, 42, 0.55);
}

h1 {
  font-size: clamp(54px, 10vw, 118px);
  letter-spacing: 0.12em;
  line-height: 1;
  margin-bottom: 22px;
}

.subtitle {
  font-size: clamp(20px, 3vw, 30px);
  color: #cbd5e1;
  margin-bottom: 56px;
}

.platform {
  margin: 0 auto 42px;
  padding: 30px;
  max-width: 520px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 28px;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.platform span {
  color: #38bdf8;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.platform h2 {
  font-size: clamp(38px, 7vw, 72px);
  margin: 10px 0;
  letter-spacing: 0.08em;
}

.platform p {
  color: #94a3b8;
  font-size: 16px;
}

.button {
  display: inline-block;
  padding: 16px 26px;
  border-radius: 999px;
  background: #38bdf8;
  color: #020617;
  text-decoration: none;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(56, 189, 248, 0.28);
}

footer {
  margin-top: 60px;
  color: #64748b;
  font-size: 14px;
}