* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #fff;
  background:
    linear-gradient(rgba(0,0,0,0.78), rgba(0,0,0,0.88)),
    url("bg-main.jpg") center center / cover fixed no-repeat;
}

.page {
  min-height: 100vh;
  padding: 60px 20px;
  text-align: center;
}

.hero {
  max-width: 1200px;
  margin: 0 auto 70px;
  text-align: center;
}

.label {
  letter-spacing: 0.35em;
  font-size: 14px;
  font-weight: 700;
  opacity: 0.7;
  margin-bottom: 24px;
}

h1 {
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.05;
  margin: 0 0 24px;
  text-transform: uppercase;
  text-shadow: 0 0 22px rgba(255,255,255,0.28);
}

.subline {
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.45;
  opacity: 0.88;
}

.card,
.info-block {
  max-width: 760px;
  margin: 0 auto 46px;
  padding: 34px 28px;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 26px;
  background: rgba(255,255,255,0.045);
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
  backdrop-filter: blur(8px);
}

.card h2,
.info-block h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 44px);
}

.card p,
.info-block p {
  margin: 0 auto 26px;
  max-width: 620px;
  font-size: 20px;
  line-height: 1.45;
  opacity: 0.85;
}

.qr {
  width: 220px;
  max-width: 72vw;
  border-radius: 18px;
  background: #fff;
  padding: 10px;
  display: block;
  margin: 0 auto 28px;
}

.btn {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.55);
  background: rgba(255,255,255,0.09);
}

.btn:hover {
  background: rgba(255,255,255,0.2);
}

.powered {
  margin-top: 36px;
  letter-spacing: 0.12em;
  opacity: 0.68;
  font-size: 14px;
}